CN112539582A - Visual cleaning tool for vehicle air conditioner refrigeration system and use method thereof - Google Patents
Visual cleaning tool for vehicle air conditioner refrigeration system and use method thereof Download PDFInfo
- Publication number
- CN112539582A CN112539582A CN202011516500.2A CN202011516500A CN112539582A CN 112539582 A CN112539582 A CN 112539582A CN 202011516500 A CN202011516500 A CN 202011516500A CN 112539582 A CN112539582 A CN 112539582A
- Authority
- CN
- China
- Prior art keywords
- pressure
- refrigerant
- low
- vehicle air
- visual
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/003—Filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
- B60H1/00585—Means for monitoring, testing or servicing the air-conditioning
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B45/00—Arrangements for charging or discharging refrigerant
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
本发明提供了一种车辆空调制冷系统可视化清洗工具及其使用方法，通过阀体上的高压压力调节阀和低压压力调节阀对冷媒进行压力调节，当阀体的高压端与低压端压差较大时，液态冷媒瞬间变为气态冷媒，达到对冷媒提纯的技术效果，对冷媒进行清洗，提高冷媒洁净度；通过车辆空调制冷系统可视化清洗工具即可对车辆空调制冷系统进行清洗，对冷媒进行汽化提纯，对冷媒进行清洗，提升冷媒的洁净度，又可对冷媒的清洁度、冷媒与冷冻油的溶合状态进行可视化观测，以便于及时了解车辆空调制冷系统内的情况，达到对车辆空调制冷系统检测的目的，改善车辆空调系统内部的清洁度、冷媒的纯度，达到提升热交换效率、提高空调制冷效果和节能减排的目的。
The invention provides a visual cleaning tool for a vehicle air conditioning and refrigeration system and a method for using the same. The pressure of the refrigerant is regulated by the high pressure pressure regulating valve and the low pressure pressure regulating valve on the valve body. When the pressure difference between the high pressure end and the low pressure end of the valve body is relatively high When it is large, the liquid refrigerant instantly changes into a gaseous refrigerant, which achieves the technical effect of purifying the refrigerant, cleans the refrigerant, and improves the cleanliness of the refrigerant. Evaporation and purification, cleaning the refrigerant, improving the cleanliness of the refrigerant, and visual observation of the cleanliness of the refrigerant and the fusion state of the refrigerant and the refrigerating oil, so as to understand the situation in the vehicle air conditioning and refrigeration system in time, so as to achieve the correctness of the vehicle air conditioning. The purpose of refrigeration system testing is to improve the cleanliness of the vehicle air conditioning system and the purity of the refrigerant, so as to improve the heat exchange efficiency, improve the air conditioning refrigeration effect, and save energy and reduce emissions.
Description
Technical Field
The invention relates to the technical field of cleaning of vehicle air-conditioning and refrigerating systems, in particular to a visual cleaning tool for a vehicle air-conditioning and refrigerating system and a using method thereof.
Background
Currently, in the related art, measuring the high and low pressure of an air conditioning system and filling a refrigerant in the maintenance process of a vehicle air conditioner are indispensable links. The tool with the highest use frequency and coverage rate in the current market is a refrigerant meter set which mainly comprises the following components: the high-pressure gauge, the low-pressure gauge, the valve body, high-pressure governing valve, low-pressure governing valve, sight glass, high pressure service hose, low pressure service hose and the filling hose constitute as shown in patent CN201520791171.0 and TW 20110203808U. The refrigerant meter set only has the functions of measuring the high-pressure and low-pressure pressures of the vehicle air conditioning system, filling the refrigerant and connecting a vacuum pump to vacuumize the air conditioning system in the use process, does not have the functions of observing the dirt condition of the refrigerant in the air conditioning system and the blending condition of the refrigerant and the refrigeration oil, and does not have the functions of filtering, cleaning and purifying the refrigerant of the vehicle air conditioning system.
If the dirty condition of the refrigerant in the vehicle air conditioning system and the blending condition of the refrigerant and the refrigeration oil can be observed through a visual tool in the maintenance process of the vehicle air conditioner, the fault diagnosis of the air conditioning system can be realized, and an important basis is provided for judging whether the used refrigerant and the refrigeration oil meet the standard or not. Therefore, before a new refrigerant is replaced or supplemented, the visual cleaning tool for the vehicle air-conditioning refrigeration system is designed, the refrigerant in the air-conditioning system is subjected to circulating filtration cleaning or gasification purification by using the filtering device, and the cleanliness and the purity of the refrigerant in the vehicle air-conditioning system are improved and promoted, so that the aims of improving the heat exchange efficiency, improving the air-conditioning refrigeration effect, saving energy and reducing emission are achieved, and the visual cleaning tool for the vehicle air-conditioning refrigeration system is particularly important.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
To this end, a first aspect of the invention provides a visual cleaning tool for a vehicle air conditioning refrigeration system.
The invention provides a use method of a visual cleaning tool for a vehicle air conditioning and refrigerating system.
In view of the above, a first aspect of the present invention provides a visual cleaning tool for a vehicle air-conditioning and refrigerating system, the visual cleaning tool for a vehicle air-conditioning and refrigerating system includes a high-pressure end and a low-pressure end, the high-pressure end of the visual cleaning tool for a vehicle air-conditioning and refrigerating system is connected to the high-pressure end of the vehicle air-conditioning system, the low-pressure end of the visual cleaning tool for a vehicle air-conditioning and refrigerating system is connected to the low-pressure end of the vehicle air-conditioning system, the visual cleaning tool for a vehicle air: the high-pressure visual refrigerant bottle comprises a high-pressure quick connector, a high-pressure service hose, a high-pressure ball valve, a high-pressure visual refrigerant bottle, a filter, a first observation window, a valve body, a low-pressure visual refrigerant bottle, a second observation window, a low-pressure ball valve, a low-pressure service hose and a low-pressure quick connector; the high-pressure quick connector is communicated with a high-pressure port of a vehicle air conditioning system; one end of the high-pressure service hose is communicated with the high-pressure quick connector; one end of the high-pressure ball valve is communicated with the other end of the high-pressure service hose; one end of the high-pressure visual refrigerant bottle is connected with the other end of the high-pressure ball valve; the filter is embedded into the high-pressure visual refrigerant bottle, the filter is connected with the high-pressure visual refrigerant bottle, and one end of the filter is communicated with the other end of the high-pressure ball valve; the first observation window is arranged on the side wall of the high-pressure visual refrigerant bottle; the valve body comprises a high-pressure regulating valve, a low-pressure regulating valve and a sight glass, the low-pressure regulating valve is communicated with the high-pressure regulating valve, the sight glass is positioned between the high-pressure regulating valve and the low-pressure regulating valve, and the high-pressure regulating valve is communicated with the other end of the high-pressure visual refrigerant bottle; one end of the low-pressure visual refrigerant bottle is communicated with a low-pressure regulating valve; the second observation window is arranged on the side wall of the low-pressure visual refrigerant bottle; one end of the low-pressure ball valve is communicated with the other end of the low-pressure visual refrigerant bottle; one end of the low-pressure service hose is communicated with the other end of the low-pressure ball valve; one end of the low-pressure quick connector is communicated with the other end of the low-pressure service hose, and the other end of the low-pressure quick connector is communicated with a low-pressure port of the vehicle air conditioning system.
In the technical scheme, firstly, a high-pressure quick connector is communicated with a high-pressure port of a vehicle air conditioning system, so that the high-pressure quick connector is quickly connected with the high-pressure port of the vehicle air conditioning system; secondly, one end of a high-pressure service hose is communicated with a high-pressure quick connector, so that a refrigerant in the vehicle air conditioning system is injected into the high-pressure service pipe from a high-pressure port; thirdly, one end of the high-pressure ball valve is communicated with the other end of the high-pressure service hose, and one end of the high-pressure visual refrigerant bottle is connected with the other end of the high-pressure ball valve, so that the liquid refrigerant enters the high-pressure visual refrigerant bottle through the flow guide of the high-pressure service hose; thirdly, the filter is embedded into the high-pressure visual refrigerant bottle, the filter is connected with the high-pressure visual refrigerant bottle, one end of the filter is communicated with the other end of the high-pressure ball valve, so that whether the high-pressure visual refrigerant bottle is communicated with a high-pressure port of a vehicle air conditioning system or not is controlled through the high-pressure ball valve, and liquid refrigerant flowing into the high-pressure visual refrigerant bottle is filtered through the filter, so that the cleanliness of the liquid refrigerant is improved; thirdly, the first observation window is arranged on the side wall of the high-pressure visual refrigerant bottle, so that the height of the liquid refrigerant in the high-pressure visual refrigerant bottle can be observed conveniently, the switch of the high-pressure ball valve is adjusted according to the volume of the liquid refrigerant, and the cleanness degree of the liquid refrigerant can be observed to confirm whether the liquid refrigerant needs to be cleaned continuously or not; thirdly, the valve body comprises a high-pressure regulating valve, a low-pressure regulating valve and a sight glass, the sight glass is positioned between the high-pressure regulating valve and the low-pressure regulating valve, and the high-pressure regulating valve is communicated with the other end of the high-pressure visual refrigerant bottle, so that the filtered clean refrigerant enters the valve body; thirdly, one end of the low-pressure visual refrigerant bottle is communicated with the low-pressure regulating valve, and the low-pressure regulating valve and the high-pressure regulating valve are regulated to reduce pressure and achieve the purpose of regulating the flow rate of the refrigerant, so that the liquid refrigerant is changed into a gaseous refrigerant to be discharged; thirdly, a second observation window is arranged on the side wall of the low-pressure visual refrigerant bottle to observe whether the refrigerant exists in the low-pressure visual refrigerant bottle in a gaseous refrigerant form or not and simultaneously observe the flow rate of the gaseous refrigerant; thirdly, one end of the low-pressure ball valve is communicated with the other end of the low-pressure visual refrigerant bottle to control the flow rate of the gaseous refrigerant; and thirdly, communicating one end of a low-pressure service hose with the other end of the low-pressure ball valve, communicating one end of a low-pressure quick connector with the other end of the low-pressure service hose, and communicating the other end of the low-pressure quick connector with a low-pressure port of a vehicle air conditioning system, so that the gasified and purified refrigerant flows back into the vehicle air conditioning system, and the purpose of cleaning the refrigerant is achieved. By adopting the connection mode, the structure is simple, the liquid refrigerant flows out from the high-pressure port of the vehicle air conditioning system, is guided by the high-pressure service hose, and is regulated by the high-pressure ball valve, so that the liquid refrigerant slowly flows into the filter in the high-pressure visual refrigerant bottle to be filtered, large solid impurities in the liquid refrigerant are filtered firstly, the filtering condition, the cleanliness of the liquid refrigerant and the blending state of the refrigerant and the refrigeration oil are observed through the first observation window, whether the refrigerant needs to be continuously cleaned is judged, and repeated cleaning is avoided. The refrigerant is subjected to pressure regulation through the high-pressure regulating valve and the low-pressure regulating valve on the valve body, when the pressure difference between the high-pressure end and the low-pressure end of the valve body is large, the liquid refrigerant is instantly changed into the gaseous refrigerant, the technical effect of purifying the refrigerant is achieved, the refrigerant is further cleaned, and the cleanness degree of the refrigerant is improved; observing the vaporized gaseous refrigerant through a second observation window on the low-pressure visual refrigerant bottle to ensure that the refrigerant exists in a gaseous form and the flow rate of the gaseous refrigerant can be observed; the flow rate of the gaseous refrigerant is controlled through the low-pressure ball valve, so that the problem that the vehicle is damaged due to overlarge pressure when the gaseous refrigerant enters a vehicle air-conditioning refrigeration system is solved; can wash vehicle air conditioner refrigerating system through the visual cleaning means of vehicle air conditioner refrigerating system, carry out gasification purification to the refrigerant, wash the refrigerant, promote the cleanliness factor of refrigerant, again can be to the cleanliness factor of refrigerant, the refrigerant carries out visual observation with the solution state of refrigeration oil, so as to in time know the condition in the vehicle air conditioner refrigerating system, reach the purpose that detects vehicle air conditioner refrigerating system, improve and promote the inside cleanliness of vehicle air conditioner system, the purity of refrigerant, thereby reach and promote heat exchange efficiency, improve the air conditioner refrigeration effect, energy saving and emission reduction's purpose.
In addition, the visual cleaning tool for the vehicle air-conditioning refrigeration system in the technical scheme provided by the invention also has the following additional technical characteristics:
in the above technical solution, preferably, the visual cleaning tool for a vehicle air conditioning refrigeration system further includes: a high pressure gauge and a low pressure gauge; the high-pressure gauge is communicated with the high-pressure regulating valve and is connected with the valve body; the low pressure gauge is communicated with the low pressure regulating valve and is connected with the valve body.
In this technical scheme, through being linked together high pressure manometer and high pressure governing valve, and high pressure manometer is connected with the valve body to be linked together low pressure manometer and low pressure governing valve, and low pressure manometer is connected with the valve body, so that valve body both ends pressure presents with numerical value form directly perceived, is convenient for carry out quick, accurate regulation to high pressure governing valve and low pressure governing valve, thereby promotes governing speed, avoids invalid liquid circulation, thereby ensures cleaning efficiency.
In the above technical solution, preferably, the visual cleaning tool for a vehicle air conditioning refrigeration system further includes: an exhaust valve, a filling hose and a ball valve; one end of the exhaust valve is communicated with the valve body; one end of the filling hose is communicated with the other end of the exhaust valve; the ball valve is communicated with the other end of the filling hose.
In this technical scheme, after the washing, accessible filling hose connection workshop air supply closes low pressure ball valve and low pressure control valve, opens high pressure control valve and high pressure ball valve, removes high-pressure quick-operation joint, utilizes compressed air to pass through high pressure service hose with the impurity and the greasy dirt that the filter filtered out and discharges, realizes the abluent technological effect of visual cleaning means of vehicle air conditioner refrigerating system to in next use.
In the above technical solution, preferably, the visual cleaning tool for a vehicle air conditioning refrigeration system further includes: a hanging rod and a hook; one end of the hanging rod is connected with the valve body; the hook is connected with the other end of the hanging rod.
In the technical scheme, one end of the hanging rod is connected with the valve body, so that the hanging rod is stably connected with the valve body; the other end through with couple and peg is connected to make couple and peg be connected firmly, so that hang the visual cleaning means of vehicle air conditioner refrigerating system through the couple, realize depositing the technological effect of collection with the visual cleaning means of vehicle air conditioner refrigerating system.
In above-mentioned technical scheme, preferably, the visual refrigerant bottle of high pressure still includes: the quartz tube, the first protective cover, the first lower cover and the first upper cover are arranged on the first quartz tube; the first quartz tube is wound on the outer side of the filter; a first observation window is arranged on the side wall of the first protective cover, and the first protective cover is sleeved on the outer side of the first quartz tube; the first lower cover is arranged on the outer side of one end of the first protective cover, connected with one end of the first quartz tube and connected with the other end of the high-pressure ball valve; the first upper cover is covered on the outer side of the other end of the first protective cover, the first upper cover is connected with the other end of the first quartz tube, the first upper cover is connected with the valve body, and the first upper cover is communicated with the high-pressure regulating valve.
In the technical scheme, the first quartz tube is wound on the outer side of the filter, so that the purpose of containing the liquid refrigerant is achieved, and the condition in the filter is visually presented, so that the cleanliness of the liquid refrigerant can be observed conveniently; the side wall of the first protective cover is provided with the first observation window, and the first protective cover is sleeved on the outer side of the first quartz tube, so that the first quartz tube is protected, the first quartz tube is prevented from being damaged, an observation position is reserved, and the condition in the first quartz tube can be observed conveniently; the first lower cover is covered on the outer side of one end of the first protective cover, the first lower cover is connected with one end of the first quartz tube, and the first lower cover is connected with the other end of the high-pressure ball valve, so that one end of the first quartz tube is sealed, the flow rate of liquid refrigerant is controlled through the high-pressure ball valve, the filtering speed of the filter is controlled, and the filtering effect is improved; through establishing the outside at the first protection casing other end with first upper cover lid, first upper cover is connected with the other end of first quartz capsule, and first upper cover is connected with the valve body, and just first upper cover is linked together with high-pressure regulating valve to seal the other end of first quartz capsule, and adjust the pressure that liquid refrigerant flowed into the valve body through high-pressure regulating valve, thereby be convenient for make liquid refrigerant vaporize into gaseous refrigerant through great pressure difference, realize the technological effect of gasification purification.
In above-mentioned technical scheme, preferably, the visual refrigerant bottle of low pressure still includes: the second quartz tube, the second protective cover, the second upper cover and the second lower cover; one end of the second quartz tube is communicated with the low-pressure regulating valve, and the other end of the second quartz tube is communicated with one end of the low-pressure ball valve; a second observation window is arranged on the side wall of the second protective cover, and the second protective cover is sleeved on the outer side of the second quartz tube; the second upper cover is covered on the outer side of the other end of the second protective cover, the second upper cover is connected with one end of a second quartz tube, the second upper cover is connected with the valve body, and the second upper cover is communicated with the low-pressure regulating valve; the second lower cover is covered on the outer side of one end of the second protective cover, the second lower cover is connected with the other end of the second quartz tube, and the second lower cover is connected with one end of the low-pressure ball valve.
In the technical scheme, one end of a second quartz tube is communicated with a low-pressure regulating valve, and the other end of the second quartz tube is communicated with one end of a low-pressure ball valve, so that the accommodation effect of gaseous refrigerants is realized, and whether the refrigerants flow out in a gaseous refrigerant form or not is conveniently observed; a second observation window is arranged on the side wall of the second protective cover, and the second protective cover is sleeved on the outer side of the second quartz tube, so that the second quartz tube is protected, an observation position is reserved, and the flow rate and the form of the gaseous refrigerant are observed; the second upper cover is covered on the outer side of the other end of the second protective cover and is connected with one end of a second quartz tube, the second upper cover is connected with the valve body and is communicated with the low-pressure regulating valve so as to seal one end of the second quartz tube, and the vaporization pressure of the liquid refrigerant is regulated through the low-pressure regulating valve, so that the liquid refrigerant is changed into the gaseous refrigerant, the technical effect of gasification and purification is realized, and the aim of cleaning and purifying the refrigerant is fulfilled; through establishing the outside at second protection casing one end with the second lower cover lid, the second lower cover is connected with the other end of second quartz capsule, and the second lower cover is connected with the one end of low pressure ball valve to the speed that discharges into in the vehicle air conditioner refrigerating system to gaseous refrigerant is adjusted, avoids vehicle air conditioner refrigerating system pressure increase in the twinkling of an eye, causes the injury for the vehicle.
The invention provides a use method of a visual cleaning tool for a vehicle air-conditioning refrigeration system, which is applied to the visual cleaning tool for the vehicle air-conditioning refrigeration system of any one of claims 1 to 6, and the use method of the visual cleaning tool for the vehicle air-conditioning refrigeration system comprises the following steps: s1, connecting the high-pressure quick connector with a high-pressure port of the vehicle air conditioning system, and connecting the low-pressure quick connector with a low-pressure port of the vehicle air conditioning system; s2, starting the vehicle air conditioning system, adjusting the temperature of the vehicle air conditioning system to be the lowest, and adjusting the air volume of the vehicle air conditioning system to be the largest; s3, opening the high-pressure ball valve, enabling the refrigerant in the high-pressure port of the vehicle air conditioning system to flow through the filter in a liquid state, and enabling the liquid refrigerant to flow into the high-pressure visual refrigerant bottle; s4, adjusting the high pressure regulating valve and the low pressure regulating valve, and observing the viewing mirror in the middle of the front of the valve body until the liquid refrigerant flows to the low pressure visual refrigerant bottle and then becomes a gaseous refrigerant; s5, opening the low-pressure ball valve to make the refrigerant sucked into the low-pressure port of the vehicle air-conditioning system in a gaseous state; s6, continuously injecting gaseous refrigerant into the low-pressure port of the vehicle air conditioning system for no less than ten minutes; s7, closing the high-pressure ball valve until all liquid refrigerants in the high-pressure visual refrigerant bottle enter the low-pressure visual refrigerant bottle; s8, closing the high-pressure regulating valve until all gaseous refrigerants in the low-pressure visual refrigerant bottle enter a low-pressure port of the vehicle air conditioning system; s9, closing the low pressure regulating valve and closing the low pressure ball valve.
In the technical scheme, S1, the high-pressure quick connector is connected with a high-pressure port of a vehicle air-conditioning system, and the low-pressure quick connector is connected with a low-pressure port of the vehicle air-conditioning system, so that the visual cleaning tool of the vehicle air-conditioning refrigeration system is communicated with the vehicle air-conditioning system, and refrigerant leakage is avoided; s2, the temperature of the vehicle air conditioning system is adjusted to be the lowest and the air volume of the vehicle air conditioning system is adjusted to be the largest by starting the vehicle air conditioning system, so that the refrigerating capacity of the vehicle air conditioning system is the strongest and more refrigerants are discharged; s3, opening the high-pressure ball valve, enabling the refrigerant in the high-pressure port of the vehicle air conditioning system to flow through the filter in a liquid state, enabling the liquid refrigerant to flow into the high-pressure visual refrigerant bottle to filter the liquid refrigerant, and removing solid impurities in the liquid refrigerant; s4, the high-pressure regulating valve and the low-pressure regulating valve are regulated, and the sight glass in the middle of the front face of the valve body is observed until liquid refrigerant flows to the low-pressure visual refrigerant bottle and then is changed into gaseous refrigerant, so that the liquid refrigerant is changed into gaseous refrigerant, the technical effect of refrigerant gasification and purification is realized, the refrigerant is cleaned, and the refrigerant cleanliness is improved; s5, opening the low-pressure ball valve to make the refrigerant sucked into the low-pressure port of the vehicle air-conditioning system in a gaseous state, i.e. the clean gaseous refrigerant flows back into the vehicle air-conditioning system again; s6, ensuring that the gaseous refrigerant is continuously injected into the low-pressure port of the vehicle air conditioning system for not less than ten minutes to ensure the filtering and gasification purification time, further ensuring that all the refrigerants in the vehicle air conditioning system are filtered and cleaned, and ensuring the cleanliness of the refrigerants; s7, closing the high-pressure ball valve until all liquid refrigerants in the high-pressure visual refrigerant bottle enter the low-pressure visual refrigerant bottle, so as to ensure that the liquid refrigerants in the vehicle air-conditioning system do not continuously enter the high-pressure visual refrigerant bottle any more; s8, closing the high-pressure regulating valve until all gaseous refrigerants in the low-pressure visual refrigerant bottle enter the low-pressure port of the vehicle air conditioning system, so that all purified gaseous refrigerants flow back into the vehicle air conditioning system again, and waste and pollution are avoided; and S9, closing the low-pressure regulating valve and closing the low-pressure ball valve, and finishing the cleaning work of the vehicle air conditioning system.
In addition, the use method of the visual cleaning tool for the vehicle air-conditioning refrigeration system in the technical scheme provided by the invention can also have the following additional technical characteristics:
in the above technical solution, preferably, the method for using the visual cleaning tool for the vehicle air-conditioning refrigeration system further includes: s10, slowly opening the high-pressure ball valve to allow the liquid refrigerant to flow into the high-pressure visual refrigerant bottle; s11, closing the high-pressure ball valve until the refrigerant liquid level reaches the height 2/3 of the first observation window; s12, observing the cleanness degree of the refrigerant in the high-pressure visual refrigerant bottle and the fusion state of the refrigerant and the refrigeration oil; s13, performing corresponding processing on the refrigerant according to the state of the refrigerant in the high-pressure visual refrigerant bottle; and S14, closing the high-pressure ball valve, the high-pressure regulating valve, the low-pressure regulating valve and the low-pressure ball valve, disconnecting the high-pressure quick connector from the high-pressure port of the vehicle air conditioning system, and disconnecting the low-pressure quick connector from the low-pressure port of the vehicle air conditioning system.
In the technical scheme, S10, the liquid refrigerant flows into the high-pressure visual refrigerant bottle by slowly opening the high-pressure ball valve, so that the problem that the observation and detection results are influenced due to excessive bubbles generated by the mixed liquid of the refrigerant and the refrigeration oil is solved; s11, closing the high-pressure ball valve until the liquid level of the refrigerant reaches the 2/3 height of the first observation window, so that the refrigerant and the frozen oil mixture have a certain height, the observation is convenient, a certain standing time is ensured, and the detection result is accurate; s12, judging the dirt condition of the vehicle air conditioning system and the matching condition of the types of the refrigerant and the refrigeration oil by observing the cleaning degree of the refrigerant in the high-pressure visual refrigerant bottle and the fusion state of the refrigerant and the refrigeration oil; s13, performing corresponding processing on the refrigerant according to the state of the refrigerant in the high-pressure visual refrigerant bottle, and performing processing according to the detection result, so that the waste caused by the replacement of the clean refrigerant is avoided; and S14, closing the high-pressure ball valve, the high-pressure regulating valve, the low-pressure regulating valve and the low-pressure ball valve to ensure that the vehicle air-conditioning system is not communicated with the visual cleaning tool of the vehicle air-conditioning refrigeration system, and removing the visual cleaning tool of the vehicle air-conditioning refrigeration system by disconnecting the high-pressure quick connector from the high-pressure port of the vehicle air-conditioning system and disconnecting the low-pressure quick connector from the low-pressure port of the vehicle air-conditioning system to finish cleaning and detection of a refrigerant in the vehicle air-conditioning refrigeration system.
In the technical scheme, preferably, if the cleaning degree of refrigerant in the high-pressure visual refrigerant bottle is high, the refrigerant and the refrigerant oil are well mixed, and the refrigeration effect of the air conditioner is within a reasonable temperature range, the ball valve is opened, and the refrigerant oil or the air conditioner synergist are supplemented from the filling hose; when the refrigerant and the refrigeration oil in the high-pressure visual refrigerant bottle have the phenomena of layering and non-fusion, the refrigerant and the refrigeration oil are replaced again.
In the technical scheme, the refrigerant in a high-pressure visual refrigerant bottle is high in cleaning degree, the refrigerant and the refrigerant oil are well mixed, the air conditioner refrigeration effect is in a reasonable temperature range, a ball valve is opened, the refrigerant and the refrigerant oil or an air conditioner synergist are supplemented from a filling hose, and the sufficient quantity of the refrigerant and the refrigerant oil is ensured; when the refrigerant and the refrigeration oil in the high-pressure visual refrigerant bottle are layered and not fused, the refrigerant and the refrigeration oil are replaced again, and the refrigeration effect is ensured.
Specifically, if the refrigerant is high in cleanliness, the refrigerant and the refrigeration oil are good in fusion state and the refrigeration effect of the air conditioner is within a reasonable temperature range, reasonable refrigerant and refrigeration oil or air conditioner synergist are supplemented from the filling hose according to the environmental temperature and the high-low pressure value of the air conditioner after cyclic cleaning. (for example, the reference values are that the ambient temperature is 30 ℃, the low pressure of the air conditioning system is 0.15-0.25MP, and the high pressure of the air conditioning system is 1.3-1.6 MP).
Specifically, in the cleaning process, a refrigerant, refrigeration oil and an air-conditioning synergist can be added into the vehicle air-conditioning system through a filling hose according to the previous detection and diagnosis result; the disassembly-free cleaning agent for the air-conditioning refrigeration system packaged by the pressure aerosol can also be filled into the vehicle air-conditioning system through the filling hose according to the dirt degree of the vehicle air-conditioning refrigeration system, so that a better cleaning effect is achieved.
Specifically, after cleaning or detection, the air source of the workshop is connected through the filling hose, the low-pressure ball valve and the low-pressure regulating valve are closed, the high-pressure regulating valve and the high-pressure ball valve are opened, a high-pressure quick connector on the high-pressure service hose is removed, and impurities and oil stains on the filter are discharged through the high-pressure service hose by utilizing compressed air.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 illustrates a schematic structural view of a visual washing tool for a vehicle air conditioning and refrigeration system according to an embodiment of the present invention;
FIG. 2 illustrates a schematic structural view of a visual washing tool of a vehicle air conditioning refrigeration system according to another embodiment of the present invention;
FIG. 3 illustrates a schematic structural view of a visual washing tool for a vehicle air conditioning and refrigeration system according to yet another embodiment of the present invention;
FIG. 4 illustrates a flow chart of a method of using a visual cleaning tool for a vehicle air conditioning refrigeration system in accordance with an embodiment of the present invention;
FIG. 5 illustrates a flow chart of a method of using a visual cleaning tool for a vehicle air conditioning refrigeration system in accordance with another embodiment of the present invention;
wherein, the correspondence between the reference numbers and the part names in fig. 1 to 5 is:
10. a high pressure quick connector; 12. a high pressure service hose; 14. a high pressure ball valve; 16. a high-pressure visual refrigerant bottle; 161. a first quartz tube; 162. a first shield; 163. a first lower cover; 164. a first upper cover; 18. a filter; 20. a first observation window; 22. a valve body; 221. a high pressure regulating valve; 222. a low pressure regulating valve; 223. a sight glass; 24. a low-pressure visual refrigerant bottle; 241. a second quartz tube; 242. a second shield; 243. a second upper cover; 244. a second lower cover; 26. a second observation window; 28. a low pressure ball valve; 30. a low pressure service hose; 32. a low pressure quick connector; 34. a high pressure gauge; 36. a low pressure gauge; 38. an exhaust valve; 40. filling a hose; 42. a ball valve; 44. a hanging rod; 46. and (4) hanging hooks.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
The following describes a vehicle air conditioning and refrigeration system visual washing tool and a method for using the vehicle air conditioning and refrigeration system visual washing tool according to some embodiments of the invention with reference to fig. 1 to 5.
In an embodiment of the present invention, as shown in fig. 1 to 3, a first aspect of the present invention provides a visual cleaning tool for a vehicle air-conditioning and refrigeration system, the visual cleaning tool for a vehicle air-conditioning and refrigeration system includes a high-pressure end and a low-pressure end, the high-pressure end of the visual cleaning tool for a vehicle air-conditioning and refrigeration system is connected to a high-pressure port of the vehicle air-conditioning system, the low-pressure end of the visual cleaning tool for a vehicle air-conditioning and refrigeration system is connected to a low-pressure port of the vehicle air-conditioning system, the visual cleaning tool for a vehicle: the high-pressure visual refrigerant monitoring device comprises a high-pressure quick connector 10, a high-pressure service hose 12, a high-pressure ball valve 14, a high-pressure visual refrigerant bottle 16, a filter 18, a first observation window 20, a valve body 22, a low-pressure visual refrigerant bottle 24, a second observation window 26, a low-pressure ball valve 28, a low-pressure service hose 30 and a low-pressure quick connector 32; the high-pressure quick connector 10 is communicated with a high-pressure port of a vehicle air conditioning system; one end of the high-pressure service hose 12 is communicated with the high-pressure quick connector 10; one end of the high-pressure ball valve 14 is communicated with the other end of the high-pressure service hose 12; one end of the high-pressure visual refrigerant bottle 16 is connected with the other end of the high-pressure ball valve 14; the filter 18 is embedded into the high-pressure visual refrigerant bottle 16, the filter 18 is connected with the high-pressure visual refrigerant bottle 16, and one end of the filter 18 is communicated with the other end of the high-pressure ball valve 14; the first observation window 20 is arranged on the side wall of the high-pressure visual refrigerant bottle 16; the valve body 22 comprises a high-pressure regulating valve 221, a low-pressure regulating valve 222 and a sight glass 223, the low-pressure regulating valve 222 is communicated with the high-pressure regulating valve 221, the sight glass 223 is positioned between the high-pressure regulating valve 221 and the low-pressure regulating valve 222, and the high-pressure regulating valve 221 is communicated with the other end of the high-pressure visual refrigerant bottle 16; one end of the low-pressure visual refrigerant bottle 24 is communicated with a low-pressure regulating valve 222; the second observation window 26 is arranged on the side wall of the low-pressure visual refrigerant bottle 24; one end of the low-pressure ball valve 28 is communicated with the other end of the low-pressure visual refrigerant bottle 24; one end of a low pressure service hose 30 is in communication with the other end of the low pressure ball valve 28; one end of the low pressure quick coupling 32 communicates with the other end of the low pressure service hose 30, and the other end of the low pressure quick coupling 32 communicates with a low pressure port of a vehicle air conditioning system.
In this embodiment, first, the high-pressure quick coupling 10 is quickly connected to a high-pressure port of a vehicle air conditioning system by communicating the high-pressure quick coupling 10 with the high-pressure port of the vehicle air conditioning system; secondly, one end of a high-pressure service hose 12 is communicated with the high-pressure quick connector 10, so that a refrigerant in the vehicle air conditioning system is injected into the high-pressure service pipe from a high-pressure port; thirdly, one end of the high-pressure ball valve 14 is communicated with the other end of the high-pressure service hose 12, and one end of the high-pressure visual refrigerant bottle 16 is connected with the other end of the high-pressure ball valve 14, so that the liquid refrigerant is guided by the high-pressure service hose 12 to enter the high-pressure visual refrigerant bottle 16; thirdly, the filter 18 is embedded into the high-pressure visual refrigerant bottle 16, the filter 18 is connected with the high-pressure visual refrigerant bottle 16, one end of the filter 18 is communicated with the other end of the high-pressure ball valve 14, so that whether the high-pressure visual refrigerant bottle 16 is communicated with a high-pressure port of a vehicle air conditioning system or not is controlled through the high-pressure ball valve 14, and liquid refrigerant flowing into the high-pressure visual refrigerant bottle 16 is filtered through the filter 18, so that the cleanliness of the liquid refrigerant is improved; thirdly, the first observation window 20 is arranged on the side wall of the high-pressure visual refrigerant bottle 16, so that the height of liquid refrigerant in the high-pressure visual refrigerant bottle 16 can be observed conveniently, the switch of the high-pressure ball valve 14 is adjusted according to the volume of the liquid refrigerant, and the cleanness degree of the liquid refrigerant can be observed to confirm whether to continue cleaning; thirdly, the valve body 22 comprises a high-pressure regulating valve 221, a low-pressure regulating valve 222 and a sight glass 223, the sight glass 223 is positioned between the high-pressure regulating valve 221 and the low-pressure regulating valve 222 by communicating the low-pressure regulating valve 222 and the high-pressure regulating valve 221, and the high-pressure regulating valve 221 is communicated with the other end of the high-pressure visual refrigerant bottle 16, so that the filtered clean refrigerant enters the valve body 22; thirdly, one end of the low-pressure visual refrigerant bottle 24 is communicated with the low-pressure regulating valve 222, and the low-pressure regulating valve 222 and the high-pressure regulating valve 221 are regulated to reduce pressure and achieve the purpose of regulating the flow rate of the refrigerant, so that the liquid refrigerant is changed into the gaseous refrigerant to be discharged; thirdly, a second observation window 26 is arranged on the side wall of the low-pressure visual refrigerant bottle 24 to observe whether the refrigerant in the low-pressure visual refrigerant bottle 24 exists in a gaseous refrigerant form or not and simultaneously observe the flow rate of the gaseous refrigerant; thirdly, one end of the low-pressure ball valve 28 is communicated with the other end of the low-pressure visual refrigerant bottle 24 to control the flow rate of the gaseous refrigerant; and thirdly, communicating one end of a low-pressure service hose 30 with the other end of the low-pressure ball valve 28, communicating one end of a low-pressure quick connector 32 with the other end of the low-pressure service hose 30, and communicating the other end of the low-pressure quick connector 32 with a low-pressure port of a vehicle air-conditioning system, so that the gasified and purified refrigerant flows back into the vehicle air-conditioning system, and the purpose of cleaning the refrigerant is achieved. By adopting the connection mode, the structure is simple, the liquid refrigerant flows out from the high-pressure port of the vehicle air conditioning system, is guided by the high-pressure service hose 12, and the flow of the liquid refrigerant is adjusted by the high-pressure ball valve 14, so that the liquid refrigerant slowly flows into the filter 18 in the high-pressure visual refrigerant bottle 16 for filtering, large solid impurities in the liquid refrigerant are firstly filtered, the filtering condition, the cleanliness of the liquid refrigerant and the fusion state of the refrigerant and the refrigeration oil are observed through the first observation window 20, and whether the refrigerant needs to be continuously cleaned or not is judged, and repeated cleaning is avoided. The pressure of the refrigerant is adjusted by the high-pressure adjusting valve 221 and the low-pressure adjusting valve 222 on the valve body 22, when the pressure difference between the high-pressure end and the low-pressure end of the valve body 22 is large, the liquid refrigerant is instantly changed into the gaseous refrigerant, the technical effect of purifying the refrigerant is achieved, the refrigerant is cleaned, and the cleanness degree of the refrigerant is improved; observing the vaporized gaseous refrigerant through a second observation window 26 on the low-pressure visual refrigerant bottle 24 to ensure that the refrigerant exists in a gaseous form and the flow rate of the gaseous refrigerant can be observed; the flow rate of the gaseous refrigerant is controlled through the low-pressure ball valve 28, so that the problem of vehicle damage caused by overlarge pressure when the gaseous refrigerant enters a vehicle air-conditioning refrigeration system is avoided; can wash vehicle air conditioner refrigerating system through the visual cleaning means of vehicle air conditioner refrigerating system, carry out gasification purification to the refrigerant, wash the refrigerant, promote the cleanliness factor of refrigerant, again can be to the cleanliness factor of refrigerant, the refrigerant carries out visual observation with the solution state of refrigeration oil, so as to in time know the condition in the vehicle air conditioner refrigerating system, reach the purpose that detects vehicle air conditioner refrigerating system, improve and promote the inside cleanliness of vehicle air conditioner system, the purity of refrigerant, thereby reach and promote heat exchange efficiency, improve the air conditioner refrigeration effect, energy saving and emission reduction's purpose.
In one embodiment of the present invention, preferably, as shown in fig. 1, the visual cleaning tool for a vehicle air conditioning and refrigeration system further comprises: a high pressure gauge 34 and a low pressure gauge 36; the high pressure gauge 34 is communicated with the high pressure regulating valve 221, and the high pressure gauge 34 is connected with the valve body 22; the low pressure gauge 36 communicates with the low pressure regulating valve 222, and the low pressure gauge 36 is connected to the valve body 22.
In this embodiment, the high pressure gauge 34 is communicated with the high pressure regulating valve 221, the high pressure gauge 34 is connected with the valve body 22, the low pressure gauge 36 is communicated with the low pressure regulating valve 222, and the low pressure gauge 36 is connected with the valve body 22, so that the pressures at two ends of the valve body 22 are visually presented in a numerical form, the high pressure regulating valve 221 and the low pressure regulating valve 222 are conveniently and quickly and accurately regulated, the regulating speed is increased, invalid liquid circulation is avoided, and the cleaning efficiency is ensured.
In one embodiment of the present invention, preferably, as shown in fig. 1, the visual cleaning tool for a vehicle air conditioning and refrigeration system further comprises: a vent valve 38, a fill hose 40, and a ball valve 42; one end of the exhaust valve 38 is communicated with the valve body 22; one end of the filling hose 40 is communicated with the other end of the exhaust valve 38; a ball valve 42 communicates with the other end of the filling hose 40.
In this embodiment, after the cleaning is finished, the filling hose 40 can be connected to a workshop air source, the low-pressure ball valve 28 and the low-pressure regulating valve 222 are closed, the high-pressure regulating valve 221 and the high-pressure ball valve 14 are opened, the high-pressure quick connector 10 is removed, and the impurities and oil stains filtered by the filter 18 are discharged through the high-pressure service hose 12 by using compressed air, so that the technical effect of cleaning the visual cleaning tool for the vehicle air-conditioning refrigeration system is achieved, and the visual cleaning tool is convenient to use next time.
In one embodiment of the present invention, preferably, as shown in fig. 1, the visual cleaning tool for a vehicle air conditioning and refrigeration system further comprises: a hanging bar 44 and a hook 46; one end of the hanging rod 44 is connected with the valve body 22; the hook 46 is connected to the other end of the hanging rod 44.
In this embodiment, the hanging rod 44 is stably coupled to the valve body 22 by coupling one end of the hanging rod 44 to the valve body 22; the hook 46 is connected with the other end of the hanging rod 44, so that the hook 46 is stably connected with the hanging rod 44, the visual cleaning tool of the vehicle air-conditioning refrigeration system is hung through the hook 46, and the technical effect of storing and collecting the visual cleaning tool of the vehicle air-conditioning refrigeration system is achieved.
In one embodiment of the present invention, preferably, as shown in fig. 1 and 2, the high-pressure visual refrigerant bottle 16 further includes: a first quartz tube 161, a first shield 162, a first lower cover 163, and a first upper cover 164; the first quartz tube 161 is wound outside the filter 18; a first observation window 20 is arranged on the side wall of the first protective cover 162, and the first protective cover 162 is sleeved outside the first quartz tube 161; the first lower cover 163 is covered on the outer side of one end of the first protective cover 162, the first lower cover 163 is connected with one end of the first quartz tube 161, and the first lower cover 163 is connected with the other end of the high-pressure ball valve 14; the first upper cover 164 covers the outer side of the other end of the first protective cover 162, the first upper cover 164 is connected with the other end of the first quartz tube 161, the first upper cover 164 is connected with the valve body 22, and the first upper cover 164 is communicated with the high-pressure regulating valve 221.
In this embodiment, the first quartz tube 161 is wound around the outside of the filter 18, so as to accommodate the liquid refrigerant, and the condition in the filter 18 is visually presented, so as to observe the cleanliness of the liquid refrigerant; the first observation window 20 is arranged on the side wall of the first protective cover 162, and the first protective cover 162 is sleeved outside the first quartz tube 161, so that the first quartz tube 161 is protected, the first quartz tube 161 is prevented from being damaged, an observation position is reserved, and the condition in the first quartz tube 161 can be observed conveniently; the first lower cover 163 is covered on the outer side of one end of the first protective cover 162, the first lower cover 163 is connected with one end of the first quartz tube 161, and the first lower cover 163 is connected with the other end of the high-pressure ball valve 14, so as to seal one end of the first quartz tube 161, and control the flow rate of the liquid refrigerant through the high-pressure ball valve 14, thereby controlling the filtering rate of the filter 18 and improving the filtering effect; through establishing the outside at the first protection casing 162 other end with first upper cover 164 lid, first upper cover 164 is connected with the other end of first quartz tube 161, first upper cover 164 is connected with valve body 22, and first upper cover 164 is linked together with high pressure regulating valve 221, in order to seal the other end of first quartz tube 161, and adjust the pressure that liquid refrigerant flowed into valve body 22 through high pressure regulating valve 221, thereby be convenient for make liquid refrigerant vaporize into gaseous refrigerant through great pressure difference, realize the technological effect of gasification purification.
In one embodiment of the present invention, preferably, as shown in fig. 1 and 3, the low-pressure visual refrigerant bottle 24 further includes: a second quartz tube 241, a second shield 242, a second upper cap 243, and a second lower cap 244; one end of the second quartz tube 241 is communicated with the low pressure regulating valve 222, and the other end of the second quartz tube 241 is communicated with one end of the low pressure ball valve 28; a second observation window 26 is arranged on the side wall of the second protective cover 242, and the second protective cover 242 is sleeved outside the second quartz tube 241; the second upper cover 243 is covered on the outer side of the other end of the second protective cover 242, the second upper cover 243 is connected with one end of the second quartz tube 241, the second upper cover 243 is connected with the valve body 22, and the second upper cover 243 is communicated with the low-pressure regulating valve 222; the second lower cover 244 covers the outside of one end of the second protective cover 242, the second lower cover 244 is connected to the other end of the second quartz tube 241, and the second lower cover 244 is connected to one end of the low pressure ball valve 28.
In this embodiment, one end of the second quartz tube 241 is communicated with the low-pressure regulating valve 222, and the other end of the second quartz tube 241 is communicated with one end of the low-pressure ball valve 28, so as to accommodate the gaseous refrigerant, and facilitate observation of whether the refrigerant flows out in the form of the gaseous refrigerant; the side wall of the second protective cover 242 is provided with the second observation window 26, and the second protective cover 242 is sleeved outside the second quartz tube 241, so that the second quartz tube 241 is protected, an observation position is reserved, and the flow rate and the form of the gaseous refrigerant are observed; the second upper cover 243 is covered on the outer side of the other end of the second protective cover 242, the second upper cover 243 is connected with one end of the second quartz tube 241, the second upper cover 243 is connected with the valve body 22, the second upper cover 243 is communicated with the low-pressure regulating valve 222, so that one end of the second quartz tube 241 is sealed, the vaporization pressure of the liquid refrigerant is regulated through the low-pressure regulating valve 222, the liquid refrigerant is changed into the gaseous refrigerant, the technical effect of gasification and purification is realized, and the purpose of cleaning and purifying the refrigerant is achieved; the second lower cover 244 is covered on the outer side of one end of the second protective cover 242, the second lower cover 244 is connected with the other end of the second quartz tube 241, and the second lower cover 244 is connected with one end of the low-pressure ball valve 28, so that the rate of the gaseous refrigerant discharged into the vehicle air-conditioning refrigeration system is adjusted, the pressure of the vehicle air-conditioning refrigeration system is prevented from being increased instantly, and the vehicle is prevented from being injured.
In an embodiment of the present invention, as shown in fig. 4 and 5, a second aspect of the present invention provides a method for using a visual cleaning tool for a vehicle air-conditioning and refrigeration system, which is applied to the visual cleaning tool for a vehicle air-conditioning and refrigeration system of any one of claims 1 to 6, and the method for using the visual cleaning tool for a vehicle air-conditioning and refrigeration system includes: s1, connecting the high-pressure quick connector 10 with a high-pressure port of a vehicle air conditioning system, and connecting the low-pressure quick connector 32 with a low-pressure port of the vehicle air conditioning system; s2, starting the vehicle air conditioning system, adjusting the temperature of the vehicle air conditioning system to be the lowest, and adjusting the air volume of the vehicle air conditioning system to be the largest; s3, opening the high-pressure ball valve 14, enabling the refrigerant in the high-pressure port of the vehicle air conditioning system to flow into the high-pressure visual refrigerant bottle 16 after flowing through the filter 18 in a liquid state; s4, adjusting the high pressure adjusting valve 221 and the low pressure adjusting valve 222, and observing the viewing mirror 223 in the middle of the front surface of the valve body 22 until the liquid refrigerant flows to the low pressure visual refrigerant bottle 24 and then becomes a gaseous refrigerant; s5, opening the low pressure ball valve 28 to make the refrigerant sucked into the low pressure port of the vehicle air conditioning system in gaseous state; s6, continuously injecting gaseous refrigerant into the low-pressure port of the vehicle air conditioning system for no less than ten minutes; s7, closing the high-pressure ball valve 14 until all liquid refrigerants in the high-pressure visual refrigerant bottle 16 enter the low-pressure visual refrigerant bottle 24; s8, closing the high-pressure regulating valve 221 until all gaseous refrigerants in the low-pressure visual refrigerant bottle 24 enter the low-pressure port of the vehicle air conditioning system; s9, low pressure regulator valve 222 is closed and low pressure ball valve 28 is closed.
In this embodiment, S1, the visual cleaning tool for the vehicle air-conditioning refrigeration system is communicated with the vehicle air-conditioning system by connecting the high-pressure quick connector 10 with the high-pressure port of the vehicle air-conditioning system and connecting the low-pressure quick connector 32 with the low-pressure port of the vehicle air-conditioning system, so as to avoid refrigerant leakage; s2, the temperature of the vehicle air conditioning system is adjusted to be the lowest and the air volume of the vehicle air conditioning system is adjusted to be the largest by starting the vehicle air conditioning system, so that the refrigerating capacity of the vehicle air conditioning system is the strongest and more refrigerants are discharged; s3, opening the high-pressure ball valve 14, enabling the refrigerant in the high-pressure port of the vehicle air conditioning system to flow through the filter 18 in a liquid state, and enabling the liquid refrigerant to flow into the high-pressure visual refrigerant bottle 16 to filter the liquid refrigerant, so that solid impurities in the liquid refrigerant are removed; s4, the high-pressure regulating valve 221 and the low-pressure regulating valve 222 are regulated, and the sight glass 223 in the middle of the front face of the valve body 22 is observed until liquid refrigerant flows to the low-pressure visual refrigerant bottle 24 and then becomes gaseous refrigerant, so that the liquid refrigerant becomes gaseous refrigerant, the technical effect of refrigerant gasification and purification is realized, the refrigerant is cleaned, and the refrigerant cleanliness is improved; s5, opening the low-pressure ball valve 28 to make the refrigerant sucked into the low-pressure port of the vehicle air-conditioning system in a gaseous state, i.e. the clean gaseous refrigerant flows back into the vehicle air-conditioning system again; s6, ensuring that the gaseous refrigerant is continuously injected into the low-pressure port of the vehicle air conditioning system for not less than ten minutes to ensure the filtering and gasification purification time, further ensuring that all the refrigerants in the vehicle air conditioning system are filtered and cleaned, and ensuring the cleanliness of the refrigerants; s7, the high-pressure ball valve 14 is closed until all liquid refrigerants in the high-pressure visual refrigerant bottle 16 enter the low-pressure visual refrigerant bottle 24, so that the liquid refrigerants in the vehicle air-conditioning system do not continuously enter the high-pressure visual refrigerant bottle 16 any more; s8, closing the high-pressure regulating valve 221 until all gaseous refrigerants in the low-pressure visual refrigerant bottle 24 enter the low-pressure port of the vehicle air conditioning system, so that all purified gaseous refrigerants flow back into the vehicle air conditioning system again, and waste and pollution are avoided; s9, closing the low pressure regulating valve 222 and closing the low pressure ball valve 28, and the cleaning of the vehicle air conditioning system is completed.
In one embodiment of the present invention, preferably, as shown in fig. 5, the method for using the visual cleaning tool for the vehicle air conditioning and refrigerating system further comprises: s10, slowly opening the high-pressure ball valve 14 to allow the liquid refrigerant to flow into the high-pressure visual refrigerant bottle 16; s11, closing the high-pressure ball valve 14 until the refrigerant liquid level reaches the height 2/3 of the first observation window 20; s12, observing the cleanness degree of the refrigerant in the high-pressure visual refrigerant bottle 16 and the fusion state of the refrigerant and the refrigeration oil; s13, performing corresponding processing on the refrigerant according to the state of the refrigerant in the high-pressure visual refrigerant bottle 16; s14, closing the high pressure ball valve 14, the high pressure regulating valve 221, the low pressure regulating valve 222 and the low pressure ball valve 28, disconnecting the high pressure quick connector 10 from the vehicle air conditioning system high pressure port and disconnecting the low pressure quick connector 32 from the vehicle air conditioning system low pressure port.
In this embodiment, in step S10, the high-pressure ball valve 14 is opened slowly, so that the liquid refrigerant flows into the high-pressure visual refrigerant bottle 16, thereby avoiding the problem that the observation and detection results are affected by excessive bubbles generated in the mixed liquid of the refrigerant and the refrigeration oil; s11, closing the high-pressure ball valve 14 until the liquid level of the refrigerant reaches 2/3 height of the first observation window 20, so that the refrigerant and the frozen oil mixture have certain height, the observation is convenient, and a certain standing time is ensured, so that the detection result is accurate; s12, the cleaning degree of the refrigerant in the high-pressure visual refrigerant bottle 16 and the fusion state of the refrigerant and the refrigeration oil are observed to judge the dirt condition of the vehicle air conditioning system and the matching condition of the types of the refrigerant and the refrigeration oil; s13, performing corresponding processing on the refrigerant according to the state of the refrigerant in the high-pressure visual refrigerant bottle 16, and performing processing according to the detection result to avoid waste caused by replacement of the clean refrigerant; and S14, closing the high-pressure ball valve 14, the high-pressure regulating valve 221, the low-pressure regulating valve 222 and the low-pressure ball valve 28 to ensure that the vehicle air-conditioning system is not communicated with the visual cleaning tool of the vehicle air-conditioning refrigeration system, detaching the visual cleaning tool of the vehicle air-conditioning refrigeration system by disconnecting the high-pressure quick connector 10 from the high-pressure port of the vehicle air-conditioning system and disconnecting the low-pressure quick connector 32 from the low-pressure port of the vehicle air-conditioning system, and completing cleaning and detection of the refrigerant in the vehicle air-conditioning refrigeration system.
In one embodiment of the present invention, preferably, if the refrigerant in the high-pressure visual refrigerant bottle 16 has high cleanliness, good refrigerant and refrigeration oil mixing state, and the air-conditioning refrigeration effect is within a reasonable temperature range, the ball valve 42 is opened, and the refrigerant and refrigeration oil or air-conditioning synergist are supplemented from the filling hose 40; when the refrigerant and the refrigeration oil in the high-pressure visual refrigerant bottle 16 are layered and not combined, the refrigerant and the refrigeration oil are replaced again.
In this embodiment, the refrigerant and the refrigerant oil or the air-conditioning synergist are supplemented from the filling hose 40 by opening the ball valve 42 when the refrigerant in the high-pressure visual refrigerant bottle 16 is highly clean, the refrigerant and the refrigerant oil are well mixed, and the air-conditioning refrigeration effect is within a reasonable temperature range, so as to ensure sufficient amount of the refrigerant and the refrigerant oil; when the refrigerant and the refrigeration oil in the high-pressure visual refrigerant bottle 16 are layered and not fused, the refrigerant and the refrigeration oil are replaced again, and the refrigeration effect is ensured.
Specifically, if the refrigerant is high in cleanliness, the refrigerant and the refrigeration oil are good in fusion state and the refrigeration effect of the air conditioner is within a reasonable temperature range, the reasonable refrigerant and the refrigeration oil or the air conditioner synergist are supplemented from the filling hose 40 according to the environmental temperature and the high-low pressure value of the air conditioner after the circulation cleaning. (for example, the reference values are that the ambient temperature is 30 ℃, the low pressure of the air conditioning system is 0.15-0.25MP, and the high pressure of the air conditioning system is 1.3-1.6 MP).
Specifically, in the cleaning process, a refrigerant, refrigeration oil and an air-conditioning synergist can be supplemented into the vehicle air-conditioning system through a filling hose 40 according to the previous detection and diagnosis result; the disassembly-free cleaning agent for the air-conditioning refrigeration system packaged by the pressure aerosol can also be filled into the vehicle air-conditioning system through the filling hose 40 according to the dirt degree of the vehicle air-conditioning refrigeration system so as to achieve a better cleaning effect.
Specifically, after the cleaning is finished or detected, the filling hose 40 can be connected with a workshop air source, the low-pressure ball valve 28 and the low-pressure regulating valve 222 are closed, the high-pressure regulating valve 221 and the high-pressure ball valve 14 are opened, the high-pressure quick connector 10 on the high-pressure service hose 12 is removed, and impurities and oil stains on the filter 18 are discharged through the high-pressure service hose 12 by using compressed air.
In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In the present invention, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011516500.2A CN112539582B (en) | 2020-12-21 | 2020-12-21 | Vehicle air conditioning refrigeration system visual cleaning tool and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011516500.2A CN112539582B (en) | 2020-12-21 | 2020-12-21 | Vehicle air conditioning refrigeration system visual cleaning tool and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112539582A true CN112539582A (en) | 2021-03-23 |
| CN112539582B CN112539582B (en) | 2024-11-19 |
Family
ID=75019278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011516500.2A Active CN112539582B (en) | 2020-12-21 | 2020-12-21 | Vehicle air conditioning refrigeration system visual cleaning tool and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112539582B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3785163A (en) * | 1971-09-13 | 1974-01-15 | Watsco Inc | Refrigerant charging means and method |
| US4110998A (en) * | 1977-05-27 | 1978-09-05 | Charles Owen | Apparatus for detecting and removing contaminants from a refrigeration system |
| CN1102699A (en) * | 1993-11-08 | 1995-05-17 | 郑荣源 | Refrigerant recovery and cleaning system and method |
| US20040083750A1 (en) * | 2002-04-15 | 2004-05-06 | Fajardo Jose Carlos | Multiple charger for refrigerant gas |
| US20090183516A1 (en) * | 2006-05-04 | 2009-07-23 | Brasscorp Limited | Inspection port |
| CN102032729A (en) * | 2009-09-27 | 2011-04-27 | 乐金电子(天津)电器有限公司 | Level glass structure of air conditioning refrigerant filter |
| US20140033742A1 (en) * | 2011-02-21 | 2014-02-06 | Franz-Josef Esch | Service device for vehicle air conditioning systems, and method for operating same, in particular for the self-cleaning type |
| KR101999391B1 (en) * | 2018-10-29 | 2019-07-11 | (주)범석엔지니어링 | refrigerant pipe cleaning equipment and cleaning method using the same |
| CN214095051U (en) * | 2020-12-21 | 2021-08-31 | 沈阳中大环新制冷技术有限公司 | Visual cleaning tool for vehicle air conditioner refrigeration system |
-
2020
- 2020-12-21 CN CN202011516500.2A patent/CN112539582B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3785163A (en) * | 1971-09-13 | 1974-01-15 | Watsco Inc | Refrigerant charging means and method |
| US4110998A (en) * | 1977-05-27 | 1978-09-05 | Charles Owen | Apparatus for detecting and removing contaminants from a refrigeration system |
| CN1102699A (en) * | 1993-11-08 | 1995-05-17 | 郑荣源 | Refrigerant recovery and cleaning system and method |
| US20040083750A1 (en) * | 2002-04-15 | 2004-05-06 | Fajardo Jose Carlos | Multiple charger for refrigerant gas |
| US20090183516A1 (en) * | 2006-05-04 | 2009-07-23 | Brasscorp Limited | Inspection port |
| CN102032729A (en) * | 2009-09-27 | 2011-04-27 | 乐金电子(天津)电器有限公司 | Level glass structure of air conditioning refrigerant filter |
| US20140033742A1 (en) * | 2011-02-21 | 2014-02-06 | Franz-Josef Esch | Service device for vehicle air conditioning systems, and method for operating same, in particular for the self-cleaning type |
| KR101999391B1 (en) * | 2018-10-29 | 2019-07-11 | (주)범석엔지니어링 | refrigerant pipe cleaning equipment and cleaning method using the same |
| CN214095051U (en) * | 2020-12-21 | 2021-08-31 | 沈阳中大环新制冷技术有限公司 | Visual cleaning tool for vehicle air conditioner refrigeration system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112539582B (en) | 2024-11-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5626170A (en) | Automatic transmission fluid changer apparatus | |
| CN103687735A (en) | Service device for vehicle air conditioning systems, and method for operating same, in particular for the self-cleaning of same | |
| KR20130068746A (en) | Recovery recycle and replenish equipment of refrigerant for vehicles air conditioner | |
| CN214095051U (en) | Visual cleaning tool for vehicle air conditioner refrigeration system | |
| CN208564736U (en) | A kind of cooling fluid exchange device | |
| CN112539582A (en) | Visual cleaning tool for vehicle air conditioner refrigeration system and use method thereof | |
| CN114183332A (en) | Automatic control air compressor machine loading system | |
| CN204892518U (en) | Cleaning equipment of vehicle air conditioner system | |
| CN107939524A (en) | A kind of engine intelligent cleaning curing system and intelligent method for cleaning and maintaining | |
| CN216953646U (en) | Refrigerant washs observation subassembly and refrigerant machine | |
| CN218210204U (en) | Clean all-in-one of vehicle air conditioner maintenance | |
| CN209163901U (en) | A kind of engine dialysis blowdown all-in-one machine | |
| CN206954197U (en) | A kind of multifunctional automobile maintenance device | |
| CN213831270U (en) | Novel vehicle air conditioner washs device | |
| CN209953427U (en) | Inside visual dialysis washbottle of multi-functional vehicle air conditioning system | |
| CN212203987U (en) | Small-size diesel vehicle engine lubrication system cleaning equipment | |
| CN211009839U (en) | Gearbox cooling device in decoking equipment | |
| CN109159762A (en) | A kind of device and method using tetrafluoroethane cleaning air conditioning for automobiles | |
| CN209565647U (en) | A kind of refrigeration system and laser spot welder | |
| CN209385227U (en) | A Cooling System Intelligent Cleaning Machine | |
| CN205937126U (en) | Can observe rotary compressor of inside situation | |
| CN208486925U (en) | Commercial vehicle engine cleaning machine | |
| KR19980027302U (en) | Multipurpose service device for automobiles | |
| KR102838369B1 (en) | An Apparatus for Exchanging an Antifreeze and a Method for the Same | |
| CN222198031U (en) | Dental handpiece cleaning machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |