CN117146205A - A natural gas station inspection and monitoring method, equipment, system and storage medium - Google Patents
A natural gas station inspection and monitoring method, equipment, system and storage medium Download PDFInfo
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- CN117146205A CN117146205A CN202311112705.8A CN202311112705A CN117146205A CN 117146205 A CN117146205 A CN 117146205A CN 202311112705 A CN202311112705 A CN 202311112705A CN 117146205 A CN117146205 A CN 117146205A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/02—Pipe-line systems for gases or vapours
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/005—Protection or supervision of installations of gas pipelines, e.g. alarm
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Abstract
The application relates to the technical field of natural gas pipeline inspection, in particular to a method, equipment, a system and a storage medium for monitoring inspection of a natural gas station, wherein the method comprises the following steps: regularly acquiring infrared data; acquiring a corresponding monitoring temperature according to the infrared image, and comparing the monitoring temperature with a first preset temperature value; if the monitored temperature is lower than a first preset temperature value, controlling the corresponding switch valve to be closed, generating a maintenance processing instruction and sending a command for executing the maintenance processing instruction to a worker; if the monitored temperature is higher than the first preset temperature value, comparing the monitored temperature with a second preset temperature value; if the monitored temperature is lower than the second preset temperature value, generating a query instruction and sending a command for executing the query instruction to the staff. The application can control the switch valve in time, reduce the leakage of natural gas in the natural gas station and improve the inspection efficiency of workers on all the joints of the natural gas pipelines.
Description
Technical Field
The application relates to the technical field of natural gas pipeline inspection, in particular to a method, equipment, a system and a storage medium for monitoring inspection of a natural gas station.
Background
In the transportation process of the natural gas to the users, the natural gas needs to be received, stored, pressurized, distributed and the like through a natural gas transfer station, and the natural gas transfer station enables a natural gas transportation pipe network to reach required pressure and keep balance of supply and demand according to instructions of a natural gas dispatching center. In order to reasonably lead the natural gas to different places, the natural gas transportation channel is formed by connecting pipelines with each other, the pipelines are fixed through flanges, and natural gas leakage easily occurs at the connection part of the pipelines, so that the transportation pipe network of the natural gas transfer station needs to be inspected regularly.
Traditional natural gas transfer station inspection is to adopt manual work to check to the scene regularly, and the staff uses handheld leak detector to detect all flange interfaces of station in order to in time discover the problem and handle the problem.
However, the traditional natural gas leakage detection method mainly depends on the consciousness of the inspection of workers, and in order to reasonably arrange natural gas to different places, the positions of flange joints of the natural gas pipelines of the transfer station are more, and the workers inspect all the joints of the natural gas pipelines, so that the inspection efficiency is lower.
Disclosure of Invention
In order to improve the inspection efficiency of workers on all natural gas pipeline joints, the application provides a natural gas station inspection monitoring method, equipment, a system and a storage medium.
In a first aspect, the application provides a natural gas station inspection monitoring method, which adopts the following technical scheme:
a natural gas station inspection monitoring method comprises the following steps:
periodically acquiring infrared data, wherein the infrared data comprises a plurality of infrared images and position information corresponding to the infrared images, and the infrared images represent images shot by infrared monitoring in a station;
acquiring a corresponding monitoring temperature according to the infrared image, and comparing the monitoring temperature with a first preset temperature value;
if the monitored temperature is lower than a first preset temperature value, judging that the natural gas station leaks gas, acquiring a corresponding switch valve according to the position information, controlling the corresponding switch valve to be closed, generating a maintenance processing instruction and sending a command for executing the maintenance processing instruction to a worker;
if the monitored temperature is higher than a first preset temperature value, comparing the monitored temperature with a second preset temperature value;
if the monitored temperature is lower than a second preset temperature value, acquiring a corresponding marking position according to the position information, marking the marking position, generating a query instruction and sending a command for executing the query instruction to a worker.
Through adopting above-mentioned technical scheme, adopt the monitoring temperature to compare with first default temperature value, can in time judge whether there is natural gas leakage in the natural gas station, can be according to the ooff valve that corresponds of position information acquisition to control the ooff valve that corresponds and close, and generate maintenance processing instruction and send the order of executing maintenance processing instruction to the staff, when the temperature in the natural gas station is less than first default temperature value, can in time control the ooff valve, reduce the leakage of natural gas in the natural gas station, improve the staff and to the inspection efficiency of all natural gas piping connection departments.
In some embodiments, the acquiring the corresponding monitored temperature according to the infrared image includes the following steps:
screening a comparison image matched with the infrared image from a preset image database and a temperature value corresponding to the comparison image, wherein the infrared image is similar to the matched comparison image;
and taking the temperature value corresponding to the control image as the monitoring temperature corresponding to the infrared image.
In some embodiments, the preset image database stores a plurality of groups of thermal image photos and a plurality of groups of temperature values, each group of thermal image photos corresponds to each temperature value one by one, and the screening of the comparison image matched with the infrared image from the preset image database comprises the following steps:
sequentially acquiring thermal image photos in a preset image database as temporary images, and acquiring corresponding image comparison values according to the comparison of the temporary images and the infrared images, wherein the image comparison values are in one-to-one correspondence with the comparison images;
arranging the thermal image photos in a preset image database in a descending order according to the corresponding image comparison values;
and taking the first thermal image photo in the arranged thermal image photos as a contrast image corresponding to the infrared image.
In some embodiments, the obtaining the corresponding image comparison value according to the comparison of the temporary image and the infrared image includes the following steps:
dividing the temporary image into a plurality of contrast pixel frames;
dividing the infrared image into a plurality of grid pixel frames, and comparing the grid pixel frames with a reference pixel frame one by one;
obtaining the number of the comparison pixel frames similar to the corresponding image of the grid pixel frames;
and obtaining the total number of the grid pixel frames according to the comparison pixel frames, and taking the ratio of the number of the comparison pixel frames to the total number of the grid pixel frames as an image comparison value.
In some embodiments, after the generating the maintenance processing instruction and issuing a command to the worker to execute the maintenance processing instruction, the method further includes the steps of:
acquiring the current positions of a plurality of maintenance personnel, and sequentially acquiring a plurality of groups of maintenance routes from the current positions and the position information;
and screening out the maintenance route with the shortest distance from the plurality of groups of maintenance routes, generating a maintenance instruction and sending a command for executing the maintenance instruction to a maintenance person corresponding to the maintenance route.
In some of these embodiments, before the periodically acquiring infrared data, the method further comprises the steps of:
acquiring connection point position information, wherein the connection point position information represents position information of flange connection;
obtaining estimated monitoring points according to the connection point information;
and acquiring an infrared shooting range, and acquiring a plurality of actual detection points according to the infrared shooting range and the estimated monitoring points, wherein the actual detection points represent positions where the infrared camera needs to be installed.
In some embodiments, the obtaining the estimated monitoring point according to the connection point information includes the following steps:
acquiring a plurality of groups of pipeline data based on a plurality of pipelines, wherein the pipeline data comprise pipeline thicknesses and pipeline positions corresponding to the pipelines;
comparing the thickness of the pipeline with a preset thickness of the pipeline;
if the thickness of the pipeline is lower than the preset pipeline thickness, acquiring a predicted monitoring point according to the connection point information and the pipeline position corresponding to the pipeline;
and if the thickness of the pipeline is higher than the preset pipeline thickness, acquiring a predicted monitoring point according to the information of the connection point.
In a second aspect, the application provides a natural gas station inspection monitoring device, which adopts the following technical scheme:
the natural gas station inspection monitoring equipment comprises an infrared camera and a terminal server, wherein the infrared camera is arranged on an actual detection point position in the natural gas station, and is used for acquiring infrared data and transmitting the infrared data to the terminal server;
the terminal server is used for executing the natural gas station patrol monitoring method.
In a third aspect, the application provides a natural gas station inspection monitoring system, which adopts the following technical scheme:
the natural gas station inspection monitoring system comprises a data acquisition module, a first comparison module, a first processing module, a second comparison module and a second processing module; wherein,
the data acquisition module is used for periodically acquiring infrared data, the infrared data comprises a plurality of infrared images and position information corresponding to the infrared images, and the infrared images represent images shot by infrared monitoring in a station;
the first comparison module is used for acquiring a corresponding monitoring temperature according to the infrared image and comparing the monitoring temperature with a first preset temperature value;
if the monitored temperature is lower than a first preset temperature value, the first processing module is used for judging natural gas station natural gas leakage, acquiring a corresponding switch valve according to the position information, controlling the corresponding switch valve to be closed, generating a maintenance processing instruction and sending a command for executing the maintenance processing instruction to a worker;
if the monitored temperature is higher than a first preset temperature value, the second comparison module is used for comparing the monitored temperature with a second preset temperature value;
and if the monitored temperature is lower than a second preset temperature value, the second processing module is used for acquiring a corresponding marking position according to the position information, marking the marking position, generating a query instruction and sending a command for executing the query instruction to a worker.
In a fourth aspect, the present application provides a storage medium, which adopts the following technical scheme:
a storage medium storing at least one instruction, at least one program, a set of codes, or a set of instructions, the at least one instruction, the at least one program, the set of codes, or the set of instructions loaded and executed by a processor to implement a natural gas field inspection monitoring method as described.
According to the inspection monitoring method, equipment, system and storage medium for the natural gas station, provided by the embodiment of the application, the monitoring temperature is compared with the first preset temperature value, so that whether the natural gas leakage exists in the natural gas station can be timely judged, the corresponding switch valve can be obtained according to the position information and is controlled to be closed, a maintenance processing instruction is generated and a command for executing the maintenance processing instruction is sent to a worker, when the temperature in the natural gas station is lower than the first preset temperature value, the switch valve can be timely controlled, the leakage of the natural gas in the natural gas station is reduced, and the inspection efficiency of the worker on all natural gas pipeline joints is improved; the comparison image most similar to the infrared image is found in the thermal image photo in the preset image database, so that the comparison image corresponding to the infrared image can be more accurately obtained, and the data processing efficiency of the terminal server is improved; before the comparison of the temporary image and the infrared image, the temporary image and the infrared image are divided into a plurality of pixel frames, and the number of the similar pixel frames between the temporary image and the infrared image is only required to be compared, so that the terminal server can more accurately compare the temporary image and the infrared image.
Drawings
FIG. 1 is a schematic diagram of the overall steps of an embodiment of the present application;
FIG. 2 is a schematic diagram of a control image acquisition step;
FIG. 3 is a schematic diagram of a pre-estimated monitoring point location acquisition step;
FIG. 4 is a schematic diagram of overall device information acquisition according to an embodiment of the present application;
fig. 5 is a schematic overall structure of an embodiment of the present application.
Reference numerals illustrate: 10. an infrared camera; 20. a terminal server; 30. the actual detection point position; 40. a data acquisition module; 50. a first comparison module; 60. a first processing module; 70. a second comparison module; 80. and a second processing module.
Detailed Description
The present application will be described and illustrated with reference to the accompanying drawings and examples for a clearer understanding of the objects, technical solutions and advantages of the present application. However, it will be apparent to one of ordinary skill in the art that the present application may be practiced without these specific details. In some instances, well known methods, procedures, systems, components, and/or circuits have been described at a high-level so as not to obscure aspects of the present application with unnecessary description. It will be apparent to those having ordinary skill in the art that various changes can be made to the disclosed embodiments of the application and that the general principles defined herein may be applied to other embodiments and applications without departing from the spirit and scope of the application. Thus, the present application is not limited to the embodiments shown, but is to be accorded the widest scope consistent with the scope of the application as claimed.
The embodiment of the application discloses a natural gas station inspection monitoring method, which is based on natural gas station inspection monitoring equipment, wherein the monitoring equipment comprises an infrared camera and a terminal server, the infrared camera is arranged in a natural gas station, the terminal server is arranged in a natural gas monitoring room, the infrared camera is used for acquiring infrared data, and the infrared data is sent to the terminal server so that the terminal server processes the infrared data to acquire the current monitoring temperature.
As shown in fig. 1, the natural gas station inspection monitoring method comprises the following steps:
s100, periodically acquiring infrared data.
The infrared data comprise a plurality of infrared images and position information corresponding to the infrared images, the infrared images represent images shot by the infrared cameras in the station, and the position information represents positions corresponding to the infrared images.
Specifically, the terminal server acquires infrared data, and the specific terminal server receives an infrared image shot by the infrared camera and acquires position information corresponding to the infrared image through the position of the infrared camera. The infrared image is obtained by the terminal server regularly, the infrared camera monitors the natural gas transfer station in real time, but the infrared image is shot every 30 minutes by the terminal server, so that the terminal server performs later data analysis on the infrared image.
It should be noted that, since the transportation channel in the natural gas transfer station is formed by splicing pipes, the pipe is connected with a plurality of positions, and the connection position between the pipes needs to be monitored, there are a plurality of positions in the natural gas transfer station where the monitoring is needed. Since the infrared data includes a plurality of infrared images and position information corresponding to the infrared images, the plurality of infrared images need to be processed respectively when the subsequent data processing is performed.
S200, acquiring a corresponding monitoring temperature according to the infrared image, and comparing the monitoring temperature with a first preset temperature value.
The monitoring temperature represents the actual temperature of the transportation pipeline represented by the infrared image, and the first preset temperature value represents the standard temperature of leakage in the natural gas station. The specific acquisition mode of the monitoring temperature is mainly obtained by comparing the temperature extraction of the infrared images. Since the infrared camera only contains color information in the captured infrared image, the specific temperature needs to be calculated according to the radiation energy of the object in the infrared image.
Illustratively, calculating the temperature of the object in the infrared image requires the following steps: firstly, the radiation energy of the object is calculated according to the infrared data of the object in the infrared image and the corresponding information such as gray level. The radiant energy is then converted to a surface temperature using the parameters of the sensor and optical system used by the infrared camera. Finally, the surface temperature is compared with a reference colorimetric table to determine the actual temperature of the object.
It should be noted that different infrared cameras and colorimeters have different parameters and coordinate systems, and thus it is necessary to ensure that the parameters and coordinate systems used are consistent when performing the temperature calculations. In addition, attention is paid to the influence of external factors such as object surface reflectivity in the infrared image, ambient temperature, and the like, so as to reduce errors. The embodiment is not limited to the specific model of the infrared camera, and can be selected according to the needs.
Here, since the temperature of the leaking position is reduced due to the leakage of the natural gas, and the temperature of the leaking position is lower than the standard temperature, whether the pipeline at the position corresponding to the infrared image leaks can be judged by acquiring the temperature in the infrared image. The first preset temperature value may be set according to practical situations, and preferably, the first preset temperature value may be set to be minus 30 degrees in this embodiment.
However, in order to improve the whole data processing efficiency, the infrared control image data mainly adopts infrared cameras of the same model, and the infrared cameras are used for carrying out infrared shooting on pipelines with different temperatures at the same position, and each infrared control image calculates a corresponding temperature value. When the infrared images in the natural gas transfer station are monitored subsequently, the similarity between the infrared images and the infrared comparison images is only required to be compared, and when the similarity between the infrared images and the infrared comparison images is high, the temperature value corresponding to the infrared comparison images is further obtained to serve as the monitoring temperature of the infrared images, so that the monitoring data processing efficiency of the natural gas transfer station is improved.
Specifically, the method for acquiring the corresponding monitoring temperature according to the infrared image comprises the following steps:
and S210, screening a comparison image matched with the infrared image and a temperature value corresponding to the comparison image from a preset image database, wherein the infrared image is similar to the matched comparison image.
S220, taking the temperature value corresponding to the comparison image as the monitoring temperature corresponding to the infrared image.
The preset image database stores a plurality of groups of thermal image photos and a plurality of groups of temperature values, each group of thermal image photos corresponds to each temperature value one by one, and the contrast image represents an image corresponding to the thermal image photo corresponding to the infrared image in the preset image database.
It should be noted that, the infrared image is similar to the matching reference image, and the infrared image is considered to be similar to the matching reference image mainly according to the fact that the similarity of the infrared image and the matching reference image exceeds a preset similarity value. The preset similarity value is set to 80% according to manual setting, optimal, and preset similarity value.
S300, if the monitored temperature is lower than a first preset temperature value, judging that the natural gas station leaks gas, acquiring a corresponding switch valve according to the position information, controlling the corresponding switch valve to be closed, generating a maintenance processing instruction and sending a command for executing the maintenance processing instruction to a worker.
The on-off valve represents an on-off valve corresponding to the control monitoring temperature, and the maintenance processing instruction represents an instruction sent to a worker by the terminal server and is used for warning the worker of an instruction for immediately maintaining the leakage pipeline.
It should be noted that, because the pipelines inside the natural gas transfer station are in staggered conduction, in order to facilitate the maintenance of staff, each pipeline is provided with a corresponding switch valve, so that the natural gas inside the pipeline can be blocked from continuing to flow to leak out to prevent the natural gas from leaking in a large scale.
S400, if the monitored temperature is higher than the first preset temperature value, comparing the monitored temperature with the second preset temperature value.
It should be noted that if the monitored temperature is equal to the first preset temperature value, the natural gas leakage of the natural gas station is determined, and the natural gas station is processed according to the processing mode that the monitored temperature is lower than the first preset temperature value.
S500, if the monitored temperature is lower than a second preset temperature value, acquiring a corresponding marking position according to the position information, marking the marking position, generating a query instruction and sending a command for executing the query instruction to a worker.
Wherein the second preset temperature value characterizes a minimum temperature at which natural gas leaks may occur within the natural gas transfer station. The marking position characterizes the pipeline position which needs to be manually queried, and the query instruction characterizes a command sent to a worker by a terminal server, and is used for reminding the worker of manually detecting the pipeline at the marking position.
It should be noted that, as with the first preset temperature value, the second preset temperature value may be set according to practical situations, but the temperature of the second preset temperature value is higher than the first preset temperature value, and preferably, the first preset temperature value may be set to be minus 20 degrees.
Specifically, the terminal server periodically acquires infrared data, acquires corresponding monitoring temperature according to an infrared image, and compares the monitoring temperature with a first preset temperature value; if the monitored temperature is lower than a first preset temperature value, judging that the natural gas station leaks gas, acquiring a corresponding switch valve according to the position information, controlling the corresponding switch valve to be closed, generating a first-level alarm signal and sending an instruction for executing a maintenance processing command to a worker; if the monitored temperature is higher than the first preset temperature value, comparing the monitored temperature with the second preset temperature value; if the monitored temperature is lower than the second preset temperature value, the corresponding marking position is obtained according to the position information, the marking position is marked, a query signal is generated, and an instruction for executing a query command is sent to a worker.
In another embodiment, the preset image database stores a plurality of groups of thermal image photos and a plurality of groups of temperature values, each group of thermal image photos corresponds to each temperature value one by one, and in order to obtain the comparison image corresponding to the infrared image more accurately, the comparison image most similar to the infrared image needs to be found in the thermal image photos in the preset image database, so that the data processing efficiency of the terminal server is improved.
Referring to fig. 2, a comparison image matched with an infrared image is selected from a preset image database, and the method comprises the following steps:
s230, sequentially acquiring thermal image photos in a preset image database as temporary images, and acquiring corresponding image comparison values according to comparison of the temporary images and infrared images, wherein the image comparison values are in one-to-one correspondence with the comparison images.
S240, arranging the thermal image photos in the preset image database in descending order according to the corresponding image comparison values.
And S250, taking the first thermal image photo in the arranged thermal image photos as a contrast image corresponding to the infrared image.
Wherein the image comparison value characterizes a comparison similarity value of the temporary image and the infrared image. Specifically, the terminal server compares the thermal image photos in the preset image database with the infrared images respectively to obtain corresponding image contrast values, then arranges all the thermal image photos in the preset image database in a descending order according to the corresponding image contrast values, and takes the thermal image photos corresponding to the image contrast values at the first position as a comparison image.
It should be noted that, the thermal image photos stored in the preset image database are many, and generally, the comparison image corresponding to the infrared image can be obtained, so that in order to make the obtained comparison image more accurate, after the thermal image photos in the preset image database are arranged in descending order according to the corresponding image comparison value, the image contrast value corresponding to the thermal image photo located at the first position is compared with the preset similarity value, if the image contrast value is greater than the preset similarity value, the thermal image photo is used as the comparison image, if the image contrast value is equal to the preset similarity value, the thermal image photo is used as the comparison image, and if the image contrast value is less than the preset similarity value, the temperature calculation is performed according to the infrared image.
The calculation of the temperature of an object in an infrared image requires the following steps: firstly, the radiation energy of the object is calculated according to the infrared data of the object in the infrared image and the corresponding information such as gray level. The radiant energy is then converted to a surface temperature using the parameters of the sensor and optical system used by the infrared camera. Finally, the surface temperature is compared with a reference colorimetric table to determine the actual temperature of the object.
In another embodiment, in order to enable the terminal server to compare the temporary image and the infrared image more accurately, before the temporary image and the infrared image are compared, the temporary image and the infrared image are divided into a plurality of pixel frames, and only the number of similar pixel frames between the temporary image and the infrared image needs to be compared.
Obtaining corresponding image comparison values according to the comparison of the temporary image and the infrared image, comprising the following steps:
s231, dividing the temporary image into a plurality of reference pixel frames.
S232, dividing the infrared image into a plurality of grid pixel frames, and comparing the grid pixel frames with the reference pixel frames one by one.
S233, obtaining the number of the comparison pixel frames similar to the corresponding image of the grid pixel frames.
S234, the total number of grid pixel frames is obtained according to the comparison pixel frames, and the ratio of the total number of the grid pixel frames to the number of the comparison pixel frames is used as an image comparison value.
The number of the reference pixel frames represents the number of the reference pixel frames similar to the corresponding image of the grid pixel frames, the total number of the grid pixel frames represents the total number of the reference pixel frames, and the ratio of the number of the reference pixel frames to the total number of the grid pixel frames is used as an image comparison value.
Here, the reference pixel frame and the grid pixel frame are divided into the same size, and therefore, when comparing whether the reference pixel frame and the grid pixel frame are similar, the reference pixel frame and the grid pixel frame at the corresponding positions need to be compared.
For example, a certain infrared image is divided into 100 pieces of reference pixel frames, a temporary image is divided into 100 pieces of reference pixel frames, images corresponding to the 100 pieces of reference pixel frames are compared with images corresponding to the corresponding reference pixel frames, and after that, the number of reference pixel frames similar to the images corresponding to the reference pixel frames is 90, so that the image comparison value of the infrared image and the temporary image is 90%.
In another embodiment, since the maintenance staff does not wait for the pipeline to be maintained at all times, there may be maintenance staff performing maintenance work at other places, so when the pipeline of the natural gas transfer station leaks and needs to be maintained, the route of the maintenance staff reaching the place where the maintenance is needed needs to be considered first, the maintenance staff corresponding to the latest maintenance route should be selected, and thus the maintenance efficiency of the pipeline can be improved.
After generating the maintenance processing instruction and sending a command for executing the maintenance processing instruction to the staff member, the method further comprises the following steps:
s600, current positions of a plurality of maintenance personnel are obtained, and the current positions and the position information are sequentially used for obtaining a plurality of groups of maintenance routes.
And S700, screening out the maintenance route with the shortest distance from the plurality of groups of maintenance routes, generating a maintenance instruction and sending a command for executing the maintenance instruction to a maintenance person corresponding to the maintenance route.
The current position represents the position information of the maintenance personnel, the maintenance route represents the route to be passed by the maintenance personnel to reach the maintenance site, and the maintenance instruction represents a maintenance command generated by the terminal server to the maintenance personnel.
Here, the maintenance processing instruction is an instruction for alerting the monitoring staff to the need for maintenance, unlike the maintenance processing instruction, which is an instruction directly transmitted to the maintenance staff, and includes transmitting a maintenance route and position information to the maintenance staff.
In another embodiment, the connection position of each pipeline is used as the estimated monitoring point, and the adjacent estimated monitoring points may be close to each other, if an infrared camera is installed at each estimated monitoring point, a large amount of financial resources are required, so that in order to save the cost, the estimated monitoring points with close intervals can be used as an actual monitoring point, and an infrared camera is arranged, so that the cost is saved, and monitoring of all the estimated monitoring points is ensured.
Before the periodic acquisition of the infrared data, the method further comprises the following steps:
s800, obtaining connection point position information.
And S810, acquiring estimated monitoring points according to the connection point information.
S820, acquiring an infrared shooting range, and acquiring a plurality of actual detection points according to the infrared shooting range and the estimated monitoring points.
The connection point information represents the position information of flange connection, the estimated monitoring point represents the point position of the infrared camera to be installed, the infrared shooting range represents the range which the infrared camera can relate to, and the actual detection point represents the position of the infrared camera to be installed.
Specifically, the terminal server acquires connection point position information based on a pipeline layout diagram of the natural gas transfer station, acquires estimated monitoring points according to all the connection point position information, acquires an infrared shooting range, acquires an actual detection point position from the estimated monitoring points positioned in the same infrared shooting range, and installs an infrared camera at the actual detection point position.
In another embodiment, the pipeline of the transfer station may have a reduced thickness due to an excessively long service time, and the pipeline needs to be specially monitored during daily use, so that the pipeline which may be damaged needs to be monitored when the estimated monitoring point is obtained.
Referring to fig. 3, obtaining the estimated monitoring point according to the connection point information includes the following steps:
s811, acquiring multiple groups of pipeline data based on a plurality of pipelines.
And S812, comparing the thickness of the pipeline with the preset thickness of the pipeline.
And S813, if the thickness of the pipeline is lower than the preset pipeline thickness, acquiring a predicted monitoring point position according to the information of the connection point position and the pipeline position corresponding to the pipeline.
S814, if the thickness of the pipeline is higher than the preset pipeline thickness, obtaining the estimated monitoring point according to the information of the connection point.
The pipeline data comprise pipeline thickness and pipeline positions corresponding to the pipelines, and the preset pipeline thickness represents a standard pipeline thickness value.
And obtaining estimated monitoring points according to the connection point information and the pipeline positions corresponding to the pipelines, and particularly taking the pipeline positions as the estimated monitoring points.
The embodiment of the application also discloses a natural gas station inspection monitoring device.
Referring to fig. 4, the natural gas station inspection monitoring device includes an infrared camera 10 and a terminal server 20, wherein the infrared camera 10 is disposed on an actual detection point 30 inside the natural gas station, and the infrared camera 10 is used for acquiring infrared data and transmitting the infrared data to the terminal server 20. The terminal server 20 is used for executing a natural gas terminal inspection monitoring method.
Specifically, the infrared camera 10 is disposed at an actual detection point 30 inside the natural gas station, and the terminal server 20 receives the infrared image captured by the infrared camera 10 and obtains position information corresponding to the infrared image through the position of the infrared camera 10. Here, the infrared image is periodically acquired by the terminal server 20, the infrared camera 10 monitors the natural gas transfer station in real time, and the terminal server 20 controls the infrared camera 10 to capture an infrared image every 30 minutes and acquire the infrared image for later data analysis.
Here, the position set by each infrared camera 10 has a corresponding record, and the terminal server 20 acquires the infrared image captured by the infrared camera 10 and uses the position corresponding to the infrared camera 10 as the position information.
Since the explosion of equipment in the natural gas transfer station may cause the danger of natural gas when the natural gas is heated, an explosion-proof housing is required to be added to the infrared camera 10 in the natural gas transfer station, so that the infrared camera 10 is prevented from damaging the natural gas in the pipeline due to explosion. The present application is not specifically described with respect to the structure of the explosion-proof housing, since the present embodiment can use the existing explosion-proof housing only, and the explosion-proof housing is not modified.
The embodiment of the application also discloses a natural gas station inspection monitoring system.
Referring to fig. 5, the natural gas terminal inspection monitoring system includes a data acquisition module 40, a first comparison module 50, a first processing module 60, a second comparison module 70, and a second processing module 80. The data acquisition module 40 is configured to periodically acquire infrared data, where the infrared data includes a plurality of infrared images and position information corresponding to the infrared images, and the infrared images represent images captured by the infrared camera 10 in the station. The first comparing module 50 is configured to obtain a corresponding monitored temperature according to the infrared image, and compare the monitored temperature with a first preset temperature value. If the monitored temperature is lower than the first preset temperature value, the first processing module 60 is configured to determine that the natural gas station leaks gas, obtain a corresponding switch valve according to the position information, control the corresponding switch valve to be closed, generate a maintenance processing instruction, and send a command for executing the maintenance processing instruction to a worker. If the monitored temperature is higher than the first preset temperature value, the second comparing module 70 is configured to compare the monitored temperature with the second preset temperature value. If the monitored temperature is lower than the second preset temperature value, the second processing module 80 is configured to obtain a corresponding marking position according to the position information, mark the marking position, generate a query command, and send a command for executing the query command to the staff.
Other functions and technical details of the functions executed by the data acquisition module 40, the first comparison module 50, the first processing module 60, the second comparison module 70, and the second processing module 80 are the same as or similar to corresponding features in the above-described inspection monitoring method for a natural gas station, and therefore will not be described herein.
The embodiment of the application also discloses a storage medium which stores at least one instruction, at least one section of program, a code set or an instruction set, wherein the at least one instruction, the at least one section of program, the code set or the instruction set is loaded and executed by a processor to realize the natural gas station inspection monitoring method.
The implementation principle is as follows:
the terminal server 20 periodically receives the infrared image shot by the infrared camera 10, acquires position information corresponding to the infrared image through the position of the infrared camera 10, acquires corresponding monitoring temperature according to the infrared image, and compares the monitoring temperature with a first preset temperature value; if the monitored temperature is lower than a first preset temperature value, the terminal server 20 judges that the natural gas station leaks, obtains a corresponding switch valve according to the position information, controls the corresponding switch valve to be closed, generates a maintenance processing instruction and sends a command for executing the maintenance processing instruction to a worker; if the monitored temperature is higher than the first preset temperature value, the terminal server 20 compares the monitored temperature with the second preset temperature value; if the monitored temperature is lower than the second preset temperature value, the terminal server 20 obtains a corresponding marking position according to the position information, marks the marking position, generates a query instruction and sends a command for executing the query instruction to a worker.
It should be understood that, although the steps in the flowcharts of the figures are shown in order as indicated by the arrows, these steps are not necessarily performed in order as indicated by the arrows. The steps are not strictly limited in order and may be performed in other orders, unless explicitly stated herein.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (10)
1. The natural gas station inspection monitoring method is characterized by comprising the following steps of:
periodically acquiring infrared data, wherein the infrared data comprises a plurality of infrared images and position information corresponding to the infrared images, and the infrared images represent images shot by infrared monitoring in a station;
acquiring a corresponding monitoring temperature according to the infrared image, and comparing the monitoring temperature with a first preset temperature value;
if the monitored temperature is lower than a first preset temperature value, judging that the natural gas station leaks gas, acquiring a corresponding switch valve according to the position information, controlling the corresponding switch valve to be closed, generating a maintenance processing instruction and sending a command for executing the maintenance processing instruction to a worker;
if the monitored temperature is higher than a first preset temperature value, comparing the monitored temperature with a second preset temperature value;
if the monitored temperature is lower than a second preset temperature value, acquiring a corresponding marking position according to the position information, marking the marking position, generating a query instruction and sending a command for executing the query instruction to a worker.
2. The method for monitoring the patrol of the natural gas station according to claim 1, wherein the step of acquiring the corresponding monitoring temperature according to the infrared image comprises the following steps:
screening a comparison image matched with the infrared image from a preset image database and a temperature value corresponding to the comparison image, wherein the infrared image is similar to the matched comparison image;
and taking the temperature value corresponding to the control image as the monitoring temperature corresponding to the infrared image.
3. The method for monitoring the patrol of the natural gas station according to claim 2, wherein the preset image database stores a plurality of groups of thermal image photos and a plurality of groups of temperature values, each group of thermal image photos corresponds to each temperature value one by one, and the step of screening out the comparison images matched with the infrared images from the preset image database comprises the following steps:
sequentially acquiring thermal image photos in a preset image database as temporary images, and acquiring corresponding image comparison values according to the comparison of the temporary images and the infrared images, wherein the image comparison values are in one-to-one correspondence with the comparison images;
arranging the thermal image photos in a preset image database in a descending order according to the corresponding image comparison values;
and taking the first thermal image photo in the arranged thermal image photos as a contrast image corresponding to the infrared image.
4. A natural gas terminal inspection monitoring method according to claim 3, wherein the obtaining of the corresponding image comparison value according to the comparison of the temporary image and the infrared image comprises the following steps:
dividing the temporary image into a plurality of contrast pixel frames;
dividing the infrared image into a plurality of grid pixel frames, and comparing the grid pixel frames with a reference pixel frame one by one;
obtaining the number of the comparison pixel frames similar to the corresponding image of the grid pixel frames;
and obtaining the total number of the grid pixel frames according to the comparison pixel frames, and taking the ratio of the number of the comparison pixel frames to the total number of the grid pixel frames as an image comparison value.
5. The method of monitoring a natural gas terminal inspection according to claim 1, further comprising, after said generating a maintenance process instruction and issuing a command to a worker to execute the maintenance process instruction, the steps of:
acquiring the current positions of a plurality of maintenance personnel, and sequentially acquiring a plurality of groups of maintenance routes from the current positions and the position information;
and screening out the maintenance route with the shortest distance from the plurality of groups of maintenance routes, generating a maintenance instruction and sending a command for executing the maintenance instruction to a maintenance person corresponding to the maintenance route.
6. The method of monitoring a natural gas terminal as defined in claim 1, further comprising the steps of, prior to said periodically acquiring infrared data:
acquiring connection point position information, wherein the connection point position information represents position information of flange connection;
obtaining estimated monitoring points according to the connection point information;
and acquiring an infrared shooting range, and acquiring a plurality of actual detection points according to the infrared shooting range and the estimated monitoring points, wherein the actual detection points represent positions where the infrared camera needs to be installed.
7. The method for monitoring the patrol of the natural gas station according to claim 6, wherein the step of obtaining the estimated monitoring point according to the connection point information comprises the steps of:
acquiring a plurality of groups of pipeline data based on a plurality of pipelines, wherein the pipeline data comprise pipeline thicknesses and pipeline positions corresponding to the pipelines;
comparing the thickness of the pipeline with a preset thickness of the pipeline;
if the thickness of the pipeline is lower than the preset pipeline thickness, acquiring a predicted monitoring point according to the connection point information and the pipeline position corresponding to the pipeline;
and if the thickness of the pipeline is higher than the preset pipeline thickness, acquiring a predicted monitoring point according to the information of the connection point.
8. The natural gas station inspection monitoring equipment is characterized by comprising an infrared camera (10) and a terminal server (20), wherein the infrared camera (10) is arranged on an actual detection point location (30) in the natural gas station, and the infrared camera (10) is used for acquiring infrared data and transmitting the infrared data to the terminal server (20);
the terminal server (20) is configured to perform a natural gas terminal inspection and monitoring method according to any one of claims 1-7.
9. A natural gas station inspection monitoring system, characterized in that a natural gas station inspection monitoring method according to any one of claims 1-7 is performed, comprising a data acquisition module (40), a first comparison module (50), a first processing module (60), a second comparison module (70) and a second processing module (80); wherein,
the data acquisition module (40) is used for periodically acquiring infrared data, the infrared data comprises a plurality of infrared images and position information corresponding to the infrared images, and the infrared images represent images shot by infrared monitoring in a station;
the first comparison module (50) is used for acquiring a corresponding monitoring temperature according to the infrared image and comparing the monitoring temperature with a first preset temperature value;
if the monitored temperature is lower than a first preset temperature value, the first processing module (60) is used for judging the natural gas station gas leakage, acquiring a corresponding switch valve according to the position information, controlling the corresponding switch valve to be closed, generating a maintenance processing instruction and sending a command for executing the maintenance processing instruction to a worker;
if the monitored temperature is higher than a first preset temperature value, the second comparison module (70) is used for comparing the monitored temperature with a second preset temperature value;
and if the monitored temperature is lower than a second preset temperature value, the second processing module (80) is used for acquiring a corresponding marking position according to the position information, marking the marking position, generating a query instruction and sending a command for executing the query instruction to a worker.
10. A storage medium storing at least one instruction, at least one program, code set, or instruction set, loaded and executed by a processor to implement a natural gas field station inspection monitoring method according to any one of claims 1-7.
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