CN104524723B - A kind of air-flow detection fire-fighting spraying head, spraying system of fire fighting and its detection method - Google Patents
A kind of air-flow detection fire-fighting spraying head, spraying system of fire fighting and its detection method Download PDFInfo
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- CN104524723B CN104524723B CN201510050482.6A CN201510050482A CN104524723B CN 104524723 B CN104524723 B CN 104524723B CN 201510050482 A CN201510050482 A CN 201510050482A CN 104524723 B CN104524723 B CN 104524723B
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- 238000001514 detection method Methods 0.000 title claims abstract description 331
- 238000005507 spraying Methods 0.000 title claims abstract description 221
- 239000007921 spray Substances 0.000 claims abstract description 168
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- 238000007689 inspection Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 9
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- 230000015572 biosynthetic process Effects 0.000 claims description 4
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/50—Testing or indicating devices for determining the state of readiness of the equipment
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
Fire-fighting spraying head is detected the invention provides a kind of air-flow, spraying system of fire fighting and its detection method, the air-flow detects that fire-fighting spraying head is detected by its air-flow and improved of both structure and power supply circuit construction, improve structure and the integrated performance of circuit, significantly reduce the overall volume that air-flow detects fire-fighting spraying head, there can be the volume suitable with existing spray head, so as to for directly replacing the common spray head in existing spraying system of fire fighting, effectively solution sets up gas current detection functionality spray head and the problem of operational feasibility is restricted is transformed in existing spraying system of fire fighting；The spraying system of fire fighting for detecting fire-fighting spraying head using the air-flow combines its detection method, whether spraying system of fire fighting can be presented by detection information receiving terminal being capable of normal work, it can also detect that fire-fighting spraying head carries out routine work state-detection to the air-flow in system, to avoid causing the erroneous judgement to spray piping circulation status failure in spraying system of fire fighting.
Description
Technical field
The invention belongs to fire fighting device detection technique field, more particularly to a kind of air-flow detection fire-fighting spraying head, the present invention
Also relate to a kind of spraying system of fire fighting and detection method that fire-fighting spraying head is detected using the air-flow.
Background technology
The spraying system of fire fighting of building is important fire fighting device, while its fire-fighting prevention effect played is determined and disappeared
Anti- spray system to enable number of times considerably less, or even many decades all it is worked once, but must assure that again is needing to open
Used time can work to normal reliable.Long-term water filling in the spray piping of wet fire protection spray system, easily produces corrosion and life
Long liver moss, causes spray piping to block；And be also possible to be mixed into foreign matter in the spray piping of dry fire protection spray system, for example climb
Enter toy etc., and the failure such as because of the moisture corrosion in air pipeline may also can be caused run-down.So, it is daily to offset
The functional reliability detection of anti-spray system is necessary, in order to find failure in time and be subject to fault elimination, really
Protect spraying system of fire fighting and be able to normal work.
But, all there is the problem of spraying system of fire fighting detection is difficult always in fire fighting device field.Although existing disappear
Anti- spray system can be carried out reliability by way of manoeuvre of spraying water and be detected, but the spray head of spraying system of fire fighting sprays
Water will strong influence work, use environment of life area where it, for example cause article, file, circuit, electronic equipment
Deng the situation for meeting Water Damage, and if article, equipment etc. to be moved away to manpower, the thing that water spray manoeuvre is carried out behind work, life area
Power cost will be very high.And if added by the mode manually investigated to the spray piping current intelligence of spraying system of fire fighting
To detect, then existing needs to remove spray piping confining bed（Such as ceiling）, time-consuming for investigation, subregion is because be difficult to touch
And and can not detect, there may be many problems such as artificial erroneous judgement.
In order to solve spraying system of fire fighting test problems, once there is related researcher to consider to install fire-fighting system additional electronics dress
Put and take mains-supplied, spraying system of fire fighting detection is implemented by electronic installation.This scheme needs to add in each test point
Plus electra, improvement cost is higher, while dependence mains-supplied, can not be detected under power-off condition, and if not
Electricity separation safeguard work can be carried out perfectly safely, it is easy to therefore the accident such as electric shock, open circuit.And if being using dry cell
Electronic circuitry, dry cell one side finite capacity and easy leakage, reduce the reliability of system, on the other hand due to dry
The service life of battery is very limited, when electronic installation normally can not detect current intelligence in system, it is difficult to judgement be because
Exhausted dry cell or because failure cause of system spray piping itself.
Above-mentioned each side problem is faced, once had related researcher further to consider the spray to spraying system of fire fighting
Gas is passed through in shower pipe road, and wind wheel type airflow detecting device is installed additional on each spray head in spray piping network and carries out gas
Flow detection, to judge whether spray piping blocks at corresponding spray head position, while also utilizing the detection of wind wheel type air-flow
Rotation of the wind wheel of device under airflow function is generated electricity, the powered operation to provide wind wheel type airflow detecting device.This
The solution of sample can either be solved by the existing various problems of artificial investigation really, while its light current and self-powered
Characteristic can solve the problem that to install additional again takes mains-supplied or the various problems caused by dry cell power supply after electronic installation.But disappear
The actual working environment of anti-spray system, causes the implementation of the solution by many limitations again.Because the solution party
Case needs to install wind wheel type airflow detecting device additional on spray head, and rotates generating under air stream drives using its wind wheel and carry out
Self-powered, but because wind wheel own vol is larger, therefore the new spray head of wind wheel type airflow detecting device is installed additional than conventional spray
The volume of head is much larger, and spray head is from spray piping confining bed in the spraying system of fire fighting laid（Such as ceiling）
Via through stretching is smaller, it is difficult to directly replaced using the large volume of new spray head for installing wind wheel type airflow detecting device additional
Original spray head realizes the system reform；Simultaneously as it is very limited that the electricity generated electricity is rotated by air stream drives wind wheel, although
It is enough to supply the completion detection work of wind wheel type airflow detecting device, but does not have air-flow in spray piping in the case of
（In addition to detecting and needing, often all without being passed through gas into spray piping under even in everyday situations）, its electricity will exhaust rapidly
Cause wind wheel type airflow detecting device to be in power failure state, filled so as to be difficult to detect each wind wheel type air-flow under daily state
The functional reliability and stability for putting itself are tested.These factors cause the solution in existing spraying system of fire fighting
It is difficult to reach that implementation is required in terms of transformation operational feasibility and system reliability, have impact on effective practice and extension of scheme.
The content of the invention
For above shortcomings in the prior art, fire-fighting spraying is detected it is an object of the invention to provide a kind of air-flow
Head, the improvement of structure and power supply circuit construction scheme is detected by its air-flow, to solve to realize fire-fighting spraying by air-flow detection
The embodiment of system detectio is restricted in transformation operational feasibility, the system reliability of existing spraying system of fire fighting
Problem.
In order to solve the above technical problems, present invention employs following technological means：
A kind of air-flow detects fire-fighting spraying head, includes the joint pipeline of tubular, one end of joint pipeline connects for spray piping
Mouthful, other end connection spray nozzle structural assembly；The middle part of the joint pipeline also has bypass detection pipeline, bypass detection pipeline
It is upper with the gas outlet communicated with the external world, and joint pipeline is provided with can close the closing means of bypass detection pipeline；
Thermal gas flowmeter, detection control are installed on the lateral wall of joint pipeline at bypass detection pipeline location
Module, radio receiving transmitting module and power supply circuit；Two thermal resistances of the thermal gas flowmeter detect pipeline through bypass
Side wall is extended at the gas outlet of bypass detection pipeline, the pneumatic control end of thermal gas flowmeter and data output end respectively with
Air-flow detection control end and the electrical connection of data collection terminal of control module are detected, for starting according to the control of detection control module
Detection bypasses the throughput information at detection pipe road gas outlet and transmitted to detection control module；Detect that the data of control module are led to
Letter end is electrically connected with radio receiving transmitting module, for after air-flow detection instruction is received by radio receiving transmitting module, control to start
Thermal gas flowmeter work, receive the throughput information from thermal gas flowmeter, and encapsulate generation include the air-flow
The air-flow detection packet write-in radio receiving transmitting module of information is measured, control radio receiving transmitting module externally sends air-flow detection data
Bag；
The power supply circuit include be sequentially connected electrically energy-trap chip, rectification circuit, storage circuit, booster circuit,
Mu balanced circuit and power supply interface circuit；The energy-trap chip be used for collect can sense when in environment ambient light change,
Energy produced by variation of ambient temperature, microwave intensity change, change of magnetic field strength or vibrations change, and by the energy being collected into
Electric energy is converted to export to rectification circuit；The electric energy that the rectification circuit is used to export energy-trap chip is converted to unipolarity
DC voltage, is resent to storage circuit and electric energy is stored；The booster circuit and mu balanced circuit are used for storage circuit
The DC voltage of output carries out boosting and voltage stabilizing processing, and by power supply interface circuit respectively to thermal gas flowmeter, detection
Control module and radio receiving transmitting module are powered.
In above-mentioned air-flow detection fire-fighting spraying head, as an improvement scheme, the detection of the thermal gas flowmeter
Circuit part and detection control module, radio receiving transmitting module and power supply circuit are integrated and wrap up in and attached be arranged on junction block by circuit
On the lateral wall in road.
In above-mentioned air-flow detection fire-fighting spraying head, as a kind of preferred scheme, the closing means, which include being arranged on, to be connect
Sleeve pipe in head tube road, described sleeve pipe can radially be slided in joint pipeline, and the side wall of sleeve pipe is provided with perforate；It is described
The inwall of joint pipeline connection spray nozzle structural assembly one end is provided with being capable of the spacing preiection that skids off of limiting boot；The spray
There is the sealing that can block spray nozzle structural assembly and joint pipeline communication at the position of mouth structure assembly jointing pipeline
Support member, under the support of support member, the perforate on sleeve side walls are provided between part, the sleeve pipe in seal and joint pipeline
Bypass in the middle part of positive butt joint pipeline detects pipeline and communicated, when seal comes off so that support member loses support, and sleeve pipe is slided
Drop down onto at spacing preiection position, and cause the perforate on sleeve side walls to detect that pipeline is completely wrong with the bypass in the middle part of joint pipeline
Open, so as to be closed to bypass detection pipeline formation.
The present invention additionally provides the spraying system of fire fighting that a kind of use said flow detects fire-fighting spraying head, specific side simultaneously
Case is as follows：
A kind of spraying system of fire fighting, including fire pump, detection air pump, spray piping and several above-mentioned air-flow inspections
Survey fire-fighting spraying head；The output end of the fire pump and the output end of detection air pump are switchably connected by gating switching device
Pass to spray piping；The detection fire-fighting spraying head distribution of described several air-flows is arranged at multiple fire-fighting spraying points, and respectively with spray
Shower pipe road is connected；Also include detecting that fire-fighting spraying head carries out detection instruction issue terminal and the inspection of radio communication with air-flow respectively
Measurement information receiving terminal；The detection instruction issue terminal, which is used to supply gas to air-flow detection fire-fighting spraying hair, flows detection instruction；
The detection information receiving terminal is used for receiving air-flow and detects the air-flow detection packet that fire-fighting spraying head is sent, according to air-flow
Detect that the throughput information in packet converts corresponding water-carrying capacity, so judge spraying system of fire fighting whether normal work.
Present invention also offers a kind of detection method of above-mentioned spraying system of fire fighting, for whether detecting spraying system of fire fighting
Being capable of normal work.The technical scheme provided for this is as follows：
A kind of detection method of spraying system of fire fighting as described above, it is characterised in that comprise the following steps：
1）It will detect that air pump switching is communicated to spray piping by gating switching device, start detection air pump to spray piping
Inside it is passed through gas；
2）Each air-flow detection fire-fighting spraying hair of the operation detection instruction issue terminal into spraying system of fire fighting is supplied gas
Stream detection instruction；
3）Air-flow detects that fire-fighting spraying head is received after air-flow detection instruction by its radio receiving transmitting module, is controlled by its detection
Molding block control start thermal gas flowmeter work, detection bypass detection pipe road gas outlet at throughput information and transmit to
Control module is detected, detection control module is received after the throughput information from thermal gas flowmeter, and encapsulation generation is included
The air-flow detection packet write-in radio receiving transmitting module of the throughput information, control radio receiving transmitting module externally sends air-flow inspection
Survey packet；
4）The air-flow detection packet that detection information receiving terminal receiving air-flow detection fire-fighting spraying head is sent, according to gas
Throughput information in stream detection packet converts corresponding water-carrying capacity, so judge spraying system of fire fighting whether normal work,
And shown.
In the detection method of above-mentioned spraying system of fire fighting, as an improvement each in scheme, the spraying system of fire fighting
The unique corresponding spray of air-flow detection fire-fighting spraying head institute where the detection control module record of air-flow detection fire-fighting spraying head has it
Drench head ID.
In the detection method of above-mentioned spraying system of fire fighting, as an improvement in scheme, the step 2, operation detection refers to
The air-flow transmitted by launch terminal is made to detect the spray head ID for also being carried in instruction and specifying detection；In the step 3, air-flow inspection
Survey fire-fighting spraying head to receive after air-flow detection instruction, it detects that control module first judges the spray carried in air-flow detection instruction
Whether head ID is consistent with the spray head ID of self record；If consistent, control module control starts thermal gas flowmeter
Work, and perform the reception of throughput information and the transmission operation of air-flow detection packet；Otherwise, received air-flow inspection is ignored
Survey instruction.
In the detection method of above-mentioned spraying system of fire fighting, as an improvement scheme, the detection information receiving terminal is deposited
Each in containing in the spray piping network of spraying system of fire fighting, the spray piping network mark and having
Air-flow detects the distributing position of fire-fighting spraying head, and detection information receiving terminal record has each air-flow detection fire-fighting spraying head
Spray head ID and its corresponding relation in spray piping network between distributing position.
In the detection method of above-mentioned spraying system of fire fighting, as an improvement in scheme, the step 3, air-flow detection disappears
Also include it in the air-flow detection packet that anti-spray head is externally sent and detect the spray head ID that control module is recorded；It is described
In step 4, detection information receiving terminal is received after air-flow detection packet, and the spray head ID in packet is detected according to air-flow
Gentle flow information converses the water-carrying capacity corresponding to corresponding spray head ID, so as to judge corresponding spray head in spraying system of fire fighting
Whether ID normally circulates, and will determine that air-flow detection fire-fighting spraying of the result in piping network figure corresponding to corresponding spray head ID
Indicated at head distributing position, then spraying system of fire fighting is presented whether by showing the piping network figure after addition sign
Normal work.
Present invention also offers a kind of detection method of above-mentioned spraying system of fire fighting, for each gas in spraying system of fire fighting
Whether stream detection fire-fighting spraying head being capable of normal work.The technical scheme provided for this is as follows：
Each air-flow detection fire-fighting in a kind of detection method of spraying system of fire fighting as described above, the spraying system of fire fighting
The air-flow detection fire-fighting spraying head unique corresponding spray head ID of institute where the detection control module record of spray head has it；The inspection
Measurement information receiving terminal is stored with the spray piping network of spraying system of fire fighting, and being marked in the spray piping network has
Each air-flow detects the distributing position of fire-fighting spraying head in anti-spray system, and detection information receiving terminal record has each air-flow
Detect the spray head ID and its corresponding relation in spray piping network between distributing position of fire-fighting spraying head；
This method comprises the following steps：
a）Each air-flow detection fire-fighting spraying hair of the operation detection instruction issue terminal into spraying system of fire fighting send work
Make state-detection instruction；
b）Air-flow detects that fire-fighting spraying head is received after working condition detection instruction by its radio receiving transmitting module, by its inspection
Control module is surveyed to detect the work state information of itself and collect thermal gas flowmeter, radio receiving transmitting module and power supply circuit
Work state information, generates corresponding working condition report, and control is reported and detected in encapsulation generation comprising the working condition
The working condition data reporting bag write-in radio receiving transmitting module for the spray head ID that module is recorded, control radio receiving transmitting module is external
Send working condition data reporting bag；
c）The working condition data reporting bag that detection information receiving terminal receiving air-flow detection fire-fighting spraying head is sent, root
Judge corresponding spray head ID in spraying system of fire fighting according to the spray head ID in working condition data reporting bag and working condition report
Whether can normal work, and will determine that result in piping network figure corresponding to corresponding spray head ID air-flow detection fire-fighting spray
Drench and indicated at head distributing position, then presented by showing the piping network figure after addition sign in spraying system of fire fighting
Whether each air-flow detection fire-fighting spraying head being capable of normal work.
Compared to prior art, the invention has the advantages that：
1st, air-flow of the invention detection fire-fighting spraying head only needs to the sidewall thickness of appropriate increase joint pipeline, by thickness
Space is electric come the detection circuit part and detection control module, radio receiving transmitting module and power supply for accommodating thermal gas flowmeter
Road, while setting the bypass detection of two thermal resistances short and small and that thermal gas flowmeter can be accommodated at the middle part of joint pipeline
Pipeline, so as to allow air-flow to detect, the overall volume of fire-fighting spraying head is significantly reduced, and can be had and existing spray
The suitable volume of head is drenched, so as to for directly replacing the common spray head in existing spraying system of fire fighting, effectively solve to increase
If gas current detection functionality spray head transforms the problem of operational feasibility is restricted in existing spraying system of fire fighting.
2nd, in the air-flow detection fire-fighting spraying head of the present invention, the confession comprising energy-trap chip and accumulator is employed
Electric scheme, so as to it is daily constantly sense and collect environment in energy and be converted to power storage in accumulator
In, it is that the detection process of thermal gas flowmeter is powered, had both solved thermal gas flowmeter detection powerup issue, and turn avoid
The problem of volume increases is caused using wind wheel generation, and the electric energy of the daily collection of energy-trap chip can be also used for air-flow
Detection fire-fighting spraying head powered during routine work state verification, solves air-flow detection fire-fighting spraying head routine work reliable
Property and stability test it is difficult the problem of.
3rd, air-flow of the invention detection fire-fighting spraying head solves structure occupancy volume well and power supply plan is contradicted
The problem of, lack while also overcoming using the with high costs, poor reliability present in civil power or dry cell power supply etc. is many
Fall into.
4th, the present invention passes through improved spraying system of fire fighting and its detection method, can pass through detection information receiving terminal
The spray piping network presented recognizes the air-flow of each in spraying system of fire fighting detection fire-fighting spraying head institute at a glance
Locate position pipeline flow situation, and then learn spraying system of fire fighting whether can normal work, can also be to the gas in system
Stream detection fire-fighting spraying head carries out routine work state-detection, to avoid when carrying out air-flow detection because of air-flow detection fire-fighting spray
Drench head faults itself and cause the erroneous judgement to spray piping circulation status failure in spraying system of fire fighting.
Brief description of the drawings
Fig. 1 is the first specific implementation structure of planting of air-flow of the present invention detection fire-fighting spraying under bypass detection pipeline conducting state
Cross section structure diagram.
Fig. 2 is that the first specific implementation structure of planting of air-flow of the present invention detection fire-fighting spraying is closed state in bypass detection pipeline
Under cross section structure diagram.
Embodiment
Fire-fighting spraying head is detected the invention provides a kind of air-flow.As shown in figure 1, with existing spray head primary structure structure
Also there is the joint pipeline 10 of tubular into similar, of the invention air-flow detection fire-fighting spraying head, one end of joint pipeline 10 is spray
Shower pipe pipeline joint 11, other end connection spray nozzle structural assembly 12, so that air-flow detection fire-fighting spraying head tool of the invention
There is the foundation structure that can directly replace existing spray head；But with the spray head of prior art except that, air-flow of the present invention
Detect fire-fighting spraying head joint pipeline 10 middle part also have bypass detection pipeline 13, bypass detection pipeline 13 on have with it is outer
The gas outlet 14 that boundary is communicated, and joint pipeline 10 be provided with can close bypass detection pipeline closing means.Joint pipeline 10
Lateral wall on thermal gas flowmeter 20, detection control module are installed at bypass detection pipeline 13 position, wireless received
Send out module and power supply circuit（Detect control module, radio receiving transmitting module and power supply circuit and not shown in FIG. 1）；Wherein, it is hot
The side wall of two thermal resistances 21 of formula gas flowmeter 20 through bypass detection pipeline 13 extends to the outlet of bypass detection pipeline
At mouth 14, the pneumatic control end of thermal gas flowmeter 20 and data output end are controlled with detecting that the air-flow of control module is detected respectively
End processed and the electrical connection of data collection terminal, for being started according to the control of detection control module at detection bypass detection pipe road gas outlet
Throughput information and transmit to detection control module；The data communication end of detection control module is electrically connected with radio receiving transmitting module
Connect, for after air-flow detection instruction is received by radio receiving transmitting module, control to start thermal gas flowmeter work, receives
Throughput information from thermal gas flowmeter, and encapsulate generation comprising the throughput information air-flow detection packet write
Enter radio receiving transmitting module, control radio receiving transmitting module externally sends air-flow detection packet.Meanwhile, power supply circuit includes electric successively
Energy-trap chip, rectification circuit, storage circuit, booster circuit, mu balanced circuit and the power supply interface circuit of connection；Wherein, energy
Amount, which collects chip, to be used to collect the ambient light change that can sense when in environment, variation of ambient temperature, microwave intensity change, magnetic field
Energy produced by Strength Changes or vibrations change, and the energy being collected into is converted into electric energy exported to rectification circuit；Rectification
The electric energy that circuit is used to export energy-trap chip is converted to unipolarity DC voltage, is resent to storage circuit and electric energy is added
To store；Booster circuit and mu balanced circuit are used to boost to the DC voltage that storage circuit is exported and voltage stabilizing is handled, and leads to
Power supply interface circuit is crossed respectively to power to thermal gas flowmeter, detection control module and radio receiving transmitting module.
In the air-flow detection fire-fighting spraying head of the present invention, thermal gas flowmeter is employed as air-flow detecting element.
Thermal gas flowmeter is a kind of pneumatic detector part product newer at present, and it uses thermal diffusion principle to be detected, thermal expansion
Scattered technology is the high technology of a kind of function admirable under severe conditions, reliability.The sensing element of thermal gas flowmeter includes
Two thermal resistances（RTD, Resistance Temperature Detector abbreviation, i.e. resistance temperature detector, referred to as
Thermal resistance）, one is velocity sensor, and one is the temperature sensor for measuring gas temperature change.When two thermal resistances are set to
When in medium, wherein velocity sensor is heated to a more than environment temperature stationary temperature, thermal gas flowmeter
Another temperature sensor be used for induction medium temperature；The gas flow for flowing through two thermal resistances is the heat according to sensing element
Transmission capacity is come what is calculated, and as gas flow rate increases, the heat that medium is taken away increases, and decreases velocity sensor temperature；
It is constant for keeping temperature, then it must increase the operating current by sensor, this increased portion of electrical current size and medium
Flow velocity be directly proportional, so as to calculate the gas flow size flowed through.
As a result of thermal gas flowmeter as air-flow detecting element, therefore in the air-flow detection fire-fighting spray of the present invention
Drench in head, it is only necessary to which the side wall of two thermal resistances of thermal gas flowmeter through bypass detection pipeline is extended into bypass detection
At the gas outlet of pipeline, you can realize and the throughput at bypass detection pipe road gas outlet is detected, and due to by hot type
Two thermal resistance volumes of gas flowmeter are very small so that it is very short and small that bypass detects that pipeline just can be designed to, and only needs
Two thermal resistances can be accommodated, therefore compared with needing to install bulky wind wheel additional on by-pass line, Neng Gou great
The volume that the diminution air-flow detection fire-fighting spraying head of width is extended laterally.Meanwhile, the detection circuit part of thermal gas flowmeter with
And detection control module, radio receiving transmitting module and power supply circuit can be integrated by circuit and be wrapped up in attached installed in the outer of joint pipeline
On the wall of side, the overall volume of spray head is further reduced by such circuit layout.Thus, with existing common spray head
Compare, air-flow detection fire-fighting spraying head of the invention only needs to the sidewall thickness of appropriate increase joint pipeline, by thickness space
To accommodate the detection circuit part and detection control module, radio receiving transmitting module and power supply circuit of thermal gas flowmeter, together
When set the bypass of two thermal resistances short and small and that thermal gas flowmeter can be accommodated to detect pipeline at the middle part of joint pipeline
, so as to allow air-flow to detect, the overall volume of fire-fighting spraying head is significantly reduced.
But, thermal gas flowmeter is employed if only being taken in from the angle for reducing volume, is examined for air-flow
For the real work application for surveying fire-fighting spraying head, improvement is also insufficient to.Because thermal gas flowmeter is by two
Velocity sensor in thermal resistance heats and realizes detection of gas flow rate using thermal diffusion principle, detects and fills with wind wheel type air-flow
Put and compare, thermal gas flowmeter needs to consume more electric energy in detection process.If still examined by wind wheel in ventilation
Electric energy is produced using air stream drives wind wheel generator during survey, can not only be existed again because power-generation wind wheel volume is larger and influences
The problem of air-flow detects fire-fighting spraying head overall volume, and the wind wheel generation time is shorter（Only can be in ventilation detection process
Electric energy is produced by air stream drives）, generate electricity few, it is difficult to which the detection for maintaining thermal gas flowmeter is powered.If can not be fine
Solution thermal gas flowmeter powerup issue, then the air-flow detection fire-fighting spraying head scheme exploitativeness then can be by serious
Influence.
Thermal gas flowmeter powerup issue is directed to, in the air-flow detection fire-fighting spraying head of the present invention, bag is employed
Energy content collects the power supply plan of chip and accumulator.Energy-trap chip is to use energy acquisition technology, by being set in it
Sensor sensing energy and be converted into the novel electron chip product of electric energy（Such as solar panels are exactly most commonly seen one kind
Energy-trap chip product）, the difference of its sensor used according to inside, environment ambient light becomes where can sensing it
Energy produced by change, variation of ambient temperature, microwave intensity change, change of magnetic field strength or vibrations change, and be translated into
Electric energy, to be powered to light current low power consumption electronic device.Energy supply situation in actual application environment, the present invention's
It can be selected using adaptable energy-trap chip, so as to daily in the power supply circuit of air-flow detection fire-fighting spraying head
Constantly sense and collect the energy in environment and be converted to power storage in accumulator, be the inspection of thermal gas flowmeter
Survey process is powered, and has both solved thermal gas flowmeter detection powerup issue, turn avoid causes volume to increase using wind wheel generation
The problem of big, and the daily collection of energy-trap chip electric energy can be also used for carrying out air-flow detection fire-fighting spraying head it is daily
Working condition is powered when testing, and solves asking for air-flow detection fire-fighting spraying head routine work reliability and stability test hardly possible
Topic.
In summary, it can be seen that air-flow detection fire-fighting spraying head of the invention detects structure and power supply by its air-flow
Improved of both circuit structure, improve structure and the integrated performance of circuit, significantly reduce air-flow detection fire-fighting spraying head
Overall volume, can have the volume suitable with existing spray head, so as to for directly replacing existing fire-fighting spraying
Common spray head in system, effectively solution set up gas current detection functionality spray head and implementation are transformed in existing spraying system of fire fighting
The problem of feasibility is restricted；Also, the air-flow detection fire-fighting spraying head of the present invention also passes through daily energy acquisition supplier of electricity
Case also ensure that the detection process to thermal gas flowmeter and the normal power supply of routine work state verification, so as to effectively solve
Certainly set up gas current detection functionality spray head and the problem of operational feasibility is restricted is transformed in existing spraying system of fire fighting；Together
When, air-flow detection fire-fighting spraying head of the invention also well solves that structure takes volume and power supply plan is contradicted asks
Topic, and overcome using many defects such as the with high costs, poor reliability present in civil power or dry cell power supply.
Closing means are provided with the air-flow detection fire-fighting spraying head of the present invention, are mainly used for needing fire-fighting spraying
The bypass on joint pipeline is detected into pipe sealing during operation, it is ensured that shower water is smoothly sprayed without being examined from bypass from spray nozzle
The side leakage of test tube road.The architecture implementation of closing means has a variety of designs, for example, can utilize automatically controlled plug, automatically controlled gating valve
Deng, but these embodiment costs are of a relatively high, while the addition of the device such as automatically controlled plug, automatically controlled gating valve will also cause air-flow
The volume increase of fire-fighting spraying head is detected, is not easy to install.As can air-flow of the present invention detection fire-fighting spraying head in preferably
A kind of closing means design used, as depicted in figs. 1 and 2, closing means include the set being arranged in joint pipeline 10
Pipe 30, the sleeve pipe 30 can radially be slided in joint pipeline, and the side wall of sleeve pipe 30 is provided with perforate 31；Joint pipeline 10
The inwall of connection spray nozzle structural assembly one end is provided with being capable of the spacing preiection 15 that skids off of limiting boot；Spray nozzle structural assembly
There is the seal 16 that can block spray nozzle structural assembly and joint pipeline communication, close at the position of 12 jointing pipelines
Support member 17 is provided between sleeve pipe 30 in sealing 16 and joint pipeline；Under the support of support member 17, opening on sleeve side walls
Bypass in the middle part of the positive butt joint pipeline in hole 31 detects pipeline 13 and communicated, referring to Fig. 1；Come off in seal 16 so that support member 17
When losing support, sleeve pipe 30 is slid to the position of spacing preiection 15, and is caused in perforate 31 and the joint pipeline on sleeve side walls
The bypass detection pipeline 13 in portion staggers completely, so as to be closed to the bypass detection formation of pipeline 13, referring to Fig. 2.The condition of a disaster is not occurring
Under normal circumstances, because joint pipeline middle sleeve is supported by seal and support member so that the perforate on sleeve side walls
Bypass in the middle part of positive butt joint pipeline detects pipeline and communicated, and the company on joint pipeline between spray nozzle structural assembly simultaneously
Circulation passage is blocked by seal, so after gas is passed through to spray piping, entering air-flow from spray piping and detecting fire-fighting
Gas in Connector for shower pipeline is passed through by the perforate on sleeve side walls, is flowed into bypass detection pipeline and is detected；Once
During generation fire, the bulb sprinkler head explosion on air-flow detection fire-fighting spraying head in spray nozzle structural assembly（It is existing to disappear
Itself feature is just had a structure in which on the spray nozzle structural assembly of anti-spray head）, joint pipeline and spray nozzle structural assembly
Between seal follow and come off, and because support member is withstood on seal, therefore coming off with seal, support member can be with
And come off, the sleeve pipe in joint pipeline loses support and slid to spacing preiection position, and then bypass detection pipeline formation is sealed
Close, can only be sprayed by spray nozzle, from without influenceing normal fire extinguishing.And the closing means overall structure of the preferred design
Inside the joint pipeline for being predominantly located at air-flow detection fire-fighting spraying head, the overall body that air-flow detects fire-fighting spraying head will not be increased
Product, from without influenceing it to replace installation operation.
The air-flow detection fire-fighting spraying head of the present invention is used directly for replacing the common spray in existing spraying system of fire fighting
Head is drenched, and spraying system of fire fighting is slightly transformed, you can for being detected to spraying system of fire fighting.Fire-fighting spray by transformation
Pouring system, in addition to fire pump, spray piping, in addition to detection air pump and several air-flow of the invention detections disappear
Anti- spray head；Wherein, the output end of fire pump is switchably connected with the output end of detection air pump by gating switching device
To spray piping；And several air-flows detection fire-fighting spraying head then replaces each spray head in former spraying system of fire fighting, distribution
Multiple fire-fighting spraying points are arranged at, and are connected respectively with spray piping；In addition, also including with air-flow detection disappearing respectively in system
Anti- spray head carries out the detection instruction issue terminal and detection information receiving terminal of radio communication；Detection instruction issue terminal is used for
Supplied gas to air-flow detection fire-fighting spraying hair and flow detection instruction；Detection information receiving terminal is then used for receiving air-flow detection fire-fighting spray
The air-flow detection packet that head is sent is drenched, the corresponding water-carrying capacity of throughput information conversion in packet is detected according to air-flow,
And then judge spraying system of fire fighting whether normal work.In specific application, detection instruction issue terminal and detection information are received
Terminal can be two different entity devices, can also be integrated in an entity device to facilitate operation and use.
The method flow of system detectio is carried out using the spraying system of fire fighting by transformation, is mainly comprised the following steps：
1）It will detect that air pump switching is communicated to spray piping by gating switching device, start detection air pump to spray piping
Inside it is passed through gas；
2）Each air-flow detection fire-fighting spraying hair of the operation detection instruction issue terminal into spraying system of fire fighting is supplied gas
Stream detection instruction；
3）Air-flow detects that fire-fighting spraying head is received after air-flow detection instruction by its radio receiving transmitting module, is controlled by its detection
Molding block control start thermal gas flowmeter work, detection bypass detection pipe road gas outlet at throughput information and transmit to
Control module is detected, detection control module is received after the throughput information from thermal gas flowmeter, and encapsulation generation is included
The air-flow detection packet write-in radio receiving transmitting module of the throughput information, control radio receiving transmitting module externally sends air-flow inspection
Survey packet；
4）The air-flow detection packet that detection information receiving terminal receiving air-flow detection fire-fighting spraying head is sent, according to gas
Throughput information in stream detection packet converts corresponding water-carrying capacity, so judge spraying system of fire fighting whether normal work,
And shown.
More facilitate to detect, the above-mentioned fire-fighting spraying that fire-fighting spraying head is transformed is being detected using air-flow of the present invention
, can air-flow detection fire-fighting spray where each air-flow detects that the detection control module of fire-fighting spraying head records it in advance in system
Drench the unique corresponding spray head ID of head institute；Further, it is also possible to store spraying system of fire fighting in detection information receiving terminal in advance
Each air-flow detection fire-fighting spraying head in there being mark in spray piping network, the spray piping network
Distributing position, and detection information receiving terminal records the spray head ID and its that have each air-flow detection fire-fighting spraying head in shower
Corresponding relation in road network between distributing position.
Thus, in the step 2 of above-mentioned system detectio flow, operation detects instruction issue terminal to spraying system of fire fighting
In each air-flow detection fire-fighting spraying hair supply gas stream detection instruction when, can air-flow detection instruction in carry specify detection
Spray head ID, wherein specify detection spray head ID can be one or multiple.And in step 3, air-flow detection
Fire-fighting spraying head is received after air-flow detection instruction, and it detects that control module then first judges the spray carried in air-flow detection instruction
Whether head ID is consistent with the spray head ID of self record；If consistent, control module control starts thermal gas flowmeter
Work, and perform the reception of throughput information and the transmission operation of air-flow detection packet；Otherwise, received air-flow inspection is ignored
Survey instruction.Thus since, in step 4, detection information receiving terminal then would only receive specified by air-flow detection instruction
The air-flow detection packet that air-flow detection fire-fighting spraying hair corresponding to one or more spray head ID goes out, so as to these gas
The working condition of stream detection fire-fighting spraying head carries out detection judgement, thus just can specify to some in spraying system of fire fighting or
Some air-flow detection fire-fighting spraying heads are targetedly detected.On the other hand, disappear because detection information receiving terminal is stored with
The spray piping network of anti-spray system, in the step 3 of above-mentioned system detectio flow, air-flow detection fire-fighting spraying head pair
It can also include it in the air-flow detection packet of outer transmission and detect the spray head ID that control module is recorded, namely the air-flow
Detect the corresponding spray head ID of fire-fighting spraying head itself.And in step 4, detection information receiving terminal receives air-flow detection number
After bag, then it can detect that the gentle flow informations of spray head ID in packet converse corresponding spray head ID institutes according to air-flow right
The water-carrying capacity answered, so as to judge whether corresponding spray head ID normally circulates in spraying system of fire fighting, and will determine that result in pipeline
Indicated at air-flow detection fire-fighting spraying head distributing position in network corresponding to corresponding spray head ID, then pass through display
Addition sign after piping network figure come present spraying system of fire fighting whether normal work.Thus since, testing staff then can be with
The spray piping network presented by detection information receiving terminal recognizes each in spraying system of fire fighting at a glance
The pipeline flow situation of air-flow detection fire-fighting spraying head present position, and then learn whether spraying system of fire fighting being capable of normal work
Make, if there is abnormal conditions such as line cloggings, abort situation can be quickly found according to the display in piping network figure,
In order to arrange to carry out repair and maintenance work.
Moreover, in addition to it can be detected to the Circulation situation of spraying system of fire fighting, the present invention passes through
Whether above-mentioned improved spraying system of fire fighting can also can in daily each air-flow detection fire-fighting spraying head in system
Normal work is detected.Specifically detection mode is：
a）Each air-flow detection fire-fighting spraying hair of the operation detection instruction issue terminal into spraying system of fire fighting send work
Make state-detection instruction；
b）Air-flow detects that fire-fighting spraying head is received after working condition detection instruction by its radio receiving transmitting module, by its inspection
Control module is surveyed to detect the work state information of itself and collect thermal gas flowmeter, radio receiving transmitting module and power supply circuit
Work state information, generates corresponding working condition report, and control is reported and detected in encapsulation generation comprising the working condition
The working condition data reporting bag write-in radio receiving transmitting module for the spray head ID that module is recorded, control radio receiving transmitting module is external
Send working condition data reporting bag；
c）The working condition data reporting bag that detection information receiving terminal receiving air-flow detection fire-fighting spraying head is sent, root
Judge corresponding spray head ID in spraying system of fire fighting according to the spray head ID in working condition data reporting bag and working condition report
Whether can normal work, and will determine that result in piping network figure corresponding to corresponding spray head ID air-flow detection fire-fighting spray
Drench and indicated at head distributing position, then presented by showing the piping network figure after addition sign in spraying system of fire fighting
Whether each air-flow detection fire-fighting spraying head being capable of normal work.
Thus since, testing staff can be operated the detection of state by the above method, once have in discovery system
Air-flow detects fire-fighting spraying head failure, just can arrange to overhaul in time or change, it is to avoid when carrying out air-flow detection because of air-flow inspection
Survey fire-fighting spraying head faults itself and cause the erroneous judgement to spray piping circulation status failure in spraying system of fire fighting.And air-flow is examined
Survey the power supply that fire-fighting spraying head carries out routine work state-detection, still in power supply circuit energy-trap chip it is daily
Collection of energy.Thus also see again, the powering solution in air-flow detection fire-fighting spraying head of the present invention causes its daily work
Become possibility as state-detection.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to reality
Example is applied the present invention is described in detail, it will be understood by those within the art that, can be to technical side of the invention
Case is modified or equivalent substitution, and without departing from the objective and scope of technical solution of the present invention, it all should cover in the present invention
Right among.
Claims (8)
1. a kind of air-flow detects fire-fighting spraying head, include the joint pipeline of tubular, one end of joint pipeline is spray piping interface,
The other end connects spray nozzle structural assembly；Characterized in that, the middle part of the joint pipeline also has bypass detection pipeline, bypass
Have on detection pipeline with the gas outlet that communicates of the external world, and joint pipeline is provided with can close the closing machine of bypass detection pipeline
Structure；The closing means include the sleeve pipe being arranged in joint pipeline, and described sleeve pipe can radially be slided in joint pipeline,
And the side wall of sleeve pipe is provided with perforate；The inwall of described joint pipeline connection spray nozzle structural assembly one end is provided with and can limited
The spacing preiection that sleeve pipe is skidded off；Spray nozzle knot can be blocked by having at the position of the spray nozzle structural assembly jointing pipeline
Support member is provided between the seal of structure assembly and joint pipeline communication, the sleeve pipe in seal and joint pipeline, in support
Under the support of part, the bypass in the middle part of the positive butt joint pipeline of perforate on sleeve side walls detects pipeline and communicated, and is come off in seal
During so that support member losing support, sleeve pipe is slid to spacing preiection position, and causes the perforate on sleeve side walls and junction block
Bypass detection pipeline in the middle part of road staggers completely, so as to be closed to bypass detection pipeline formation；
Thermal gas flowmeter, detection control mould are installed on the lateral wall of joint pipeline at bypass detection pipeline location
Block, radio receiving transmitting module and power supply circuit；Two thermal resistances of the thermal gas flowmeter detect the side of pipeline through bypass
Wall is extended at the gas outlet of bypass detection pipeline, the pneumatic control end of thermal gas flowmeter and data output end respectively with inspection
Air-flow detection control end and the electrical connection of data collection terminal of control module are surveyed, is examined for being started according to the control of detection control module
Survey the throughput information bypassed at detection pipe road gas outlet and transmit to detection control module；Detect the data communication of control module
End is electrically connected with radio receiving transmitting module, for after air-flow detection instruction is received by radio receiving transmitting module, control to start heat
Formula gas flowmeter work, receive the throughput information from thermal gas flowmeter, and encapsulate generation include the throughput
The air-flow detection packet write-in radio receiving transmitting module of information, control radio receiving transmitting module externally sends air-flow detection packet；
The detection circuit part and detection control module, radio receiving transmitting module and power supply circuit of the thermal gas flowmeter pass through electricity
Road is integrated and wraps up in attached on the lateral wall of joint pipeline；
The power supply circuit includes the energy-trap chip being sequentially connected electrically, rectification circuit, storage circuit, booster circuit, voltage stabilizing
Circuit and power supply interface circuit；The energy-trap chip is used to collect the ambient light change that can sense when in environment, environment
Energy produced by temperature change, microwave intensity change, change of magnetic field strength or vibrations change, and the energy being collected into is changed
Exported for electric energy to rectification circuit；The electric energy that the rectification circuit is used to export energy-trap chip is converted to unipolarity direct current
Voltage, is resent to storage circuit and electric energy is stored；The booster circuit and mu balanced circuit are used to export storage circuit
DC voltage carry out boosting and voltage stabilizing processing, and by power supply interface circuit respectively to thermal gas flowmeter, detection control
Module and radio receiving transmitting module are powered.
2. a kind of spraying system of fire fighting, it is characterised in that including fire pump, detection air pump, spray piping and several such as
Air-flow detection fire-fighting spraying head described in claim 1；The output end of the fire pump and the output end of detection air pump pass through
Gating switching device is switchably communicated to spray piping；Several air-flows detection fire-fighting spraying head distribution is arranged at multiple
Fire-fighting spraying point, and be connected respectively with spray piping；Also include carrying out radio communication with air-flow detection fire-fighting spraying head respectively
Detection instruction issue terminal and detection information receiving terminal；The detection instruction issue terminal is used for air-flow detection fire-fighting spray
Drench hair and supply gas and flow detection instruction；The detection information receiving terminal is used for receiving air-flow and detects the gas that fire-fighting spraying head is sent
Stream detection packet, the corresponding water-carrying capacity of throughput information conversion in packet is detected according to air-flow, and then judge that fire-fighting is sprayed
Pouring system whether normal work.
3. a kind of detection method of spraying system of fire fighting as claimed in claim 2, it is characterised in that comprise the following steps：
1）It will detect that air pump switching is communicated to spray piping by gating switching device, start detection air pump and lead into spray piping
Enter gas；
2）Each air-flow detection fire-fighting spraying hair of the operation detection instruction issue terminal into spraying system of fire fighting, which is supplied gas, flows inspection
Survey instruction；
3）Air-flow detects that fire-fighting spraying head is received after air-flow detection instruction by its radio receiving transmitting module, by its detection control mould
Block control starts the throughput information at thermal gas flowmeter work, detection bypass detection pipe road gas outlet and transmitted to detection
Control module, detection control module is received after the throughput information from thermal gas flowmeter, and encapsulation generation is comprising described
The air-flow detection packet write-in radio receiving transmitting module of throughput information, control radio receiving transmitting module externally sends air-flow detection number
According to bag；
4）The air-flow detection packet that detection information receiving terminal receiving air-flow detection fire-fighting spraying head is sent, is examined according to air-flow
The throughput information surveyed in packet converts corresponding water-carrying capacity, so judge spraying system of fire fighting whether normal work, and plus
To show.
4. the detection method of spraying system of fire fighting according to claim 3, it is characterised in that every in the spraying system of fire fighting
Air-flow detection fire-fighting spraying head institute is unique corresponding where the detection control module record of individual air-flow detection fire-fighting spraying head has it
Spray head ID.
5. the detection method of spraying system of fire fighting according to claim 4, it is characterised in that the step 2）In, operation inspection
Survey in the detection instruction of the air-flow transmitted by instruction issue terminal and also carry the spray head ID for specifying detection；
The step 3）In, air-flow detection fire-fighting spraying head is received after air-flow detection instruction, and it detects that control module first judges
Whether the spray head ID carried in air-flow detection instruction is consistent with the spray head ID of self record；If consistent, mould is controlled
Block control starts thermal gas flowmeter work, and performs the reception of throughput information and the transmission behaviour of air-flow detection packet
Make；Otherwise, received air-flow detection instruction is ignored.
6. the detection method of spraying system of fire fighting according to claim 4, it is characterised in that the detection information receiving terminal
It is each in there being mark in the spray piping network for the spraying system of fire fighting that is stored with, the spray piping network
Individual air-flow detects the distributing position of fire-fighting spraying head, and detection information receiving terminal record has each air-flow detection fire-fighting spraying head
Spray head ID and its corresponding relation in spray piping network between distributing position.
7. the detection method of spraying system of fire fighting according to claim 6, it is characterised in that the step 3）In, air-flow inspection
Survey in the air-flow detection packet that fire-fighting spraying head is externally sent and also include the spray head ID that its detection control module is recorded；
The step 4）In, detection information receiving terminal is received after air-flow detection packet, is detected according to air-flow in packet
The gentle flow informations of spray head ID converse water-carrying capacity corresponding to corresponding spray head ID, so as to judge in spraying system of fire fighting
Whether corresponding spray head ID normally circulates, and will determine that air-flow inspection of the result in piping network figure corresponding to corresponding spray head ID
Survey and indicated at fire-fighting spraying head distributing position, then by showing that the piping network figure after addition sign sprays fire-fighting is presented
Pouring system whether normal work.
8. a kind of detection method of spraying system of fire fighting as claimed in claim 2, it is characterised in that in the spraying system of fire fighting
Air-flow detection fire-fighting spraying head is uniquely corresponded to where the detection control module record of each air-flow detection fire-fighting spraying head has it
Spray head ID；The detection information receiving terminal is stored with the spray piping network of spraying system of fire fighting, the shower
Each air-flow detects the distributing position of fire-fighting spraying head in there being mark in road network, and detection information is received
Terminal record have each air-flow detection fire-fighting spraying head spray head ID and its in spray piping network between distributing position
Corresponding relation；
This method comprises the following steps：
a）Each air-flow detection fire-fighting spraying hair of the operation detection instruction issue terminal into spraying system of fire fighting send work shape
State detection instruction；
b）Air-flow detects that fire-fighting spraying head is received after working condition detection instruction by its radio receiving transmitting module, is controlled by its detection
Molding block detects the work state information of itself and collects the work of thermal gas flowmeter, radio receiving transmitting module and power supply circuit
Status information, generates corresponding working condition report, and control module is reported and detected in encapsulation generation comprising the working condition
The spray head ID recorded working condition data reporting bag write-in radio receiving transmitting module, control radio receiving transmitting module is externally sent
Working condition data reporting bag；
c）The working condition data reporting bag that detection information receiving terminal receiving air-flow detection fire-fighting spraying head is sent, according to work
Make the spray head ID in status report data bag and working condition report judges in spraying system of fire fighting whether is corresponding spray head ID
Can normal work, and will determine that result in piping network figure corresponding to corresponding spray head ID air-flow detection fire-fighting spraying head
Indicated at distributing position, each in spraying system of fire fighting then is presented by showing the piping network figure after addition sign
Whether air-flow detection fire-fighting spraying head being capable of normal work.
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| CN106552396A (en) * | 2015-09-28 | 2017-04-05 | 重庆金瓯科技发展有限责任公司 | Intelligent spray head based on gas examination |
| CN105148441A (en) * | 2015-09-28 | 2015-12-16 | 重庆金瓯科技发展有限责任公司 | Fire protection monitoring system based on smart spraying heads |
| CN109663254B (en) * | 2018-12-19 | 2020-08-04 | 萃联（中国）消防设备制造有限公司 | Dry sprinkler and method of starting same |
| CN112330928B (en) * | 2020-11-04 | 2021-06-29 | 郑州创源智能设备有限公司 | Information processing method and system of gas meter linkage alarm and storage medium |
| CN113769307B (en) * | 2021-09-29 | 2022-11-11 | 湖北省道朴科技有限公司 | Fire sprinkler head for indoor fire fighting |
| CN113975699B (en) * | 2021-12-09 | 2022-06-17 | 鹏盛建设集团有限公司 | Device and method for construction of fire-fighting engineering spraying fire-extinguishing system |
| CN116943065B (en) * | 2023-07-28 | 2025-01-17 | 中国长江三峡集团有限公司 | Fire safety detection method, device, equipment and storage medium for energy storage container |
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