CN113915537A - Method and apparatus for preventing gas leakage in pipeline - Google Patents
Method and apparatus for preventing gas leakage in pipeline Download PDFInfo
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- CN113915537A CN113915537A CN202110999451.0A CN202110999451A CN113915537A CN 113915537 A CN113915537 A CN 113915537A CN 202110999451 A CN202110999451 A CN 202110999451A CN 113915537 A CN113915537 A CN 113915537A
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000007405 data analysis Methods 0.000 claims abstract description 27
- 238000012545 processing Methods 0.000 claims abstract description 26
- 238000012544 monitoring process Methods 0.000 claims abstract description 21
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims description 15
- 238000013500 data storage Methods 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 4
- 239000000523 sample Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 30
- 230000005540 biological transmission Effects 0.000 description 6
- 239000000565 sealant Substances 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a method and a device for preventing gas in a pipeline from leaking, which relate to the technical field of pipeline protection and comprise a device body and a monitoring system, wherein the device body comprises a detection pipe, a control box, a flowmeter and a pressure sensor, and the monitoring system comprises an MCU (microprogrammed control Unit) controller, a signal receiving module, a signal output module, a power supply module, a storage module, a data analysis module, a graphic processing module, a feedback module, a time module, a GPS (global positioning system) positioning module and a synchronization module. According to the invention, the gas tightness of the device is better, the relationship between the gas flow and the gas pressure in the pipeline and the time can be converted into a line graph, the flow rapid reduction or the gas pressure rapid reduction caused by gas leakage can be conveniently monitored, an alarm effect can be realized, the time and the position of the gas leakage in the pipeline can be transmitted to a monitor of a mobile phone APP terminal, and the device can be conveniently, rapidly and accurately overhauled.
Description
Technical Field
The invention relates to the technical field of pipeline protection, in particular to a method and a device for preventing gas in a pipeline from leaking.
Background
The pipeline refers to a pipeline for conveying working fluid in a hydraulic system, and compared with the pipeline, the pipeline is a reasonably arranged pipeline system, and because of the flexibility of the pipeline, the pipeline is often used for mechanical equipment of the hydraulic system. For some gas conveying methods, the pipeline transportation is adopted, so that the transportation speed is high, and the transportation is accurate.
However, in the prior art, some gases have flammability or toxicity, and if the gas leaks in the pipeline, and the leaking position cannot be found quickly and repaired, the life safety of people is threatened.
Disclosure of Invention
The present invention is to provide a method and a device for preventing gas leakage in a pipeline, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the device for preventing gas in the pipeline from leaking comprises a device body and a monitoring system, wherein the device body comprises a detection tube, a control box, a flowmeter and a pressure sensor, a buzzer alarm is fixedly arranged at the top of the control box, and a display screen is embedded in the front side of the control box;
the monitoring system comprises an MCU controller, a signal receiving module, a signal output module, a power supply module, a storage module, a data analysis module, a graphic processing module, a feedback module, a time module, a GPS positioning module and a synchronization module, wherein the signal receiving module comprises a first receiving node and a second receiving node, and the signal output module comprises a wireless output node and a wired output node.
As a further scheme of the invention: the both ends symmetry fixedly connected with ring flange of test tube, a plurality of flange hole has been seted up along the department outward of ring flange, two the non-adjacent side symmetry fixedly connected with sealing washer of ring flange, the sealing washer is the annular shape, and the inner wall diameter of sealing washer is greater than the outer wall diameter of test tube.
As a still further scheme of the invention: control box fixed connection is at the top of detecting tube, the bottom of flowmeter runs through in the outer wall of detecting tube and is in the inside of detecting tube, the flowmeter is connected with detecting tube interference fit, and flowmeter and detecting tube contact site are provided with first sealed glue, pressure sensor's probe is in the inside of detecting tube, and pressure sensor's top runs through in the outer wall of detecting tube and the bottom of control box, pressure sensor is connected with detecting tube interference fit, and pressure sensor and detecting tube contact site are provided with sealed glue of second.
As a still further scheme of the invention: the first receiving node is connected with the flow meter, the second receiving node is connected with the pressure sensor, the output end of the signal receiving module is connected with the input end of the MCU controller, the output end of the MCU controller is connected with the input end of the signal output module, the wireless output node is wirelessly connected with the mobile phone APP terminal, the wired output node is electrically connected with the buzzer alarm and the display screen, the output end of the MCU controller is connected with the input end of the data analysis module, the output end of the data analysis module is connected with the input end of the time module, the output end of the data analysis module is connected with the input end of the graphic processing module, the output end of the graphic processing module is connected with the input end of the feedback module, the output end of the feedback module is connected with the input end of the MCU controller, and the output ends of the time module and the GPS positioning module are connected with the input end of the synchronization module, the output end of the synchronization module is connected with the input end of the MCU controller, and the storage module is connected with the MCU controller.
As a still further scheme of the invention: the data analysis module is used for corresponding the measured flow value and air pressure value with time, the graphic processing module takes the time as an abscissa and takes the flow value and the air pressure value as an ordinate to convert the measured flow value, air pressure value and time into a line graph, the time module is Beijing time, and the power supply module is used for providing electric energy for the buzzer alarm, the display screen, the MCU controller, the signal receiving module, the signal output module, the storage module, the data analysis module, the graphic processing module, the feedback module, the time module, the GPS positioning module and the synchronization module.
As a still further scheme of the invention: the inside fixed mounting of control box has printed circuit board, MCU controller, signal reception module, signal output module, power module, storage module, data analysis module, graphics processing module, feedback module, time module, GPS orientation module and synchronization module all fixed mounting are on printed circuit board.
A method for preventing gas leakage in a pipeline includes monitoring, alarming and data storage.
As a still further scheme of the invention: the specific steps of the monitoring alarm are as follows:
step S1: firstly, taking two device bodies, and connecting the two device bodies with two ends of a pipeline through flange holes formed in a flange plate;
step S2: the flow meter and the pressure sensor respectively detect the flow and the pressure in the pipeline, detected data information is transmitted to the MCU controller through the signal receiving module, the MCU controller transmits the data information to the data analysis module, the data analysis module transmits the measured flow value and air pressure value to the graphic processing module after corresponding to time, the graphic processing module takes the time as a horizontal coordinate, converts the measured flow value and air pressure value and the time into a line graph by taking the flow value and air pressure value as a vertical coordinate, and transmits the line graph to the MCU controller through the feedback module;
step S3: the MCU controller carries out analysis to the broken line graph, when flow sharply reduces or atmospheric pressure sharply reduces appearing, the synchronization module will accept time module and GPS orientation module's information, obtain the specific time and the specific position that the pipeline was revealed this moment, and give the MCU controller with the specific time and the specific position transmission that the pipeline gas was revealed, the MCU controller gives signal output module with the specific time and the specific position transmission that the pipeline gas was revealed, give the monitor at cell-phone APP terminal through wireless output node with the pipeline gas leakage information wireless transmission, make things convenient for the monitor to confirm fast and overhaul, and report to the police through wired output node control buzzer siren, and reveal the pipeline gas leakage information on display screen, the effect of reporting to the police has been played.
As a still further scheme of the invention: the specific steps of the data storage are as follows:
step S4: in step S, the MCU controller stores the specific time and the specific position of the pipeline gas leakage to the storage module, so that data can be conveniently exported, and the pipeline information of each position can be conveniently monitored.
Compared with the prior art, the invention has the beneficial effects that:
1. the device can be conveniently connected with a monitoring pipeline, the sealing performance of the connection with the pipeline can be improved, and the monitoring precision is improved;
2. the sealing performance between the flowmeter, the pressure sensor and the detection pipe is improved through the first sealant and the second sealant, and the detection accuracy is improved;
3. can turn into the line graph with the inside gas flow of pipeline and the relation between atmospheric pressure and the time through monitoring system, conveniently reveal the flow that causes sharply to reduce or atmospheric pressure sharply descends to monitor to gas, can play the effect of reporting to the police, can transmit the time and the position of revealing pipeline gas again for the monitor at cell-phone APP terminal, conveniently overhaul fast and accurately.
Drawings
FIG. 1 is a schematic diagram of a method and an apparatus for preventing gas leakage in a pipeline.
FIG. 2 is a schematic view of the structure of the device body in the method and the device for preventing gas leakage in the pipeline.
FIG. 3 is a sectional view of a front view of a device body in the method for preventing gas leakage in a pipe and the device thereof.
FIG. 4 is a system diagram of a method for preventing gas leakage in a pipeline and a monitoring system in the device.
The labels in the figure are: 1. a device body; 2. a mobile phone APP terminal; 3. a detection tube; 4. a control box; 5. a flow meter; 6. a flange plate; 7. a flange hole; 8. a seal ring; 9. a buzzer alarm; 10. a display screen; 11. a pressure sensor; 12. a first sealant; 13. a second sealant; 14. a printed circuit board; 15. an MCU controller; 16. a signal receiving module; 17. a signal output module; 18. a power supply module; 19. a storage module; 20. a data analysis module; 21. a graphics processing module; 22. a feedback module; 23. a time module; 24. a GPS positioning module; 25. a synchronization module; 26. receiving a first node; 27. receiving a second node; 28. a wireless output node; 29. a wired output node.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, in some embodiments of the present invention, the device for preventing gas leakage in a pipeline includes a device body 1 and a monitoring system, the device body 1 includes a detection tube 3, a control box 4, a flowmeter 5 and a pressure sensor 11, a buzzer alarm 9 is fixedly installed on the top of the control box 4, and a display screen 10 is embedded in the front side of the control box 4; the monitoring system comprises an MCU (microprogrammed control Unit) controller 15, a signal receiving module 16, a signal output module 17, a power supply module 18, a storage module 19, a data analysis module 20, a graphic processing module 21, a feedback module 22, a time module 23, a GPS (global positioning System) positioning module 24 and a synchronization module 25, wherein the signal receiving module 16 comprises a first receiving node 26 and a second receiving node 27, and the signal output module 17 comprises a wireless output node 28 and a wired output node 29.
In some embodiments of the invention, two ends of the detection tube 3 are symmetrically and fixedly connected with flange plates 6, the outer edge of each flange plate 6 is provided with a plurality of flange holes 7, the non-adjacent sides of the two flange plates 6 are symmetrically and fixedly connected with sealing rings 8, each sealing ring 8 is in a circular ring shape, and the diameter of the inner wall of each sealing ring 8 is larger than that of the outer wall of the detection tube 3.
Not only can be convenient for the device body 1 to be connected with the pipeline, but also can increase the sealing performance of the device body 1 to be connected with the pipeline.
In some embodiments of the present invention, the control box 4 is fixedly connected to the top of the detection tube 3, the bottom of the flow meter 5 penetrates through the outer wall of the detection tube 3 and is located inside the detection tube 3, the flow meter 5 is connected with the detection tube 3 in an interference fit manner, a first sealant 12 is disposed at a contact portion of the flow meter 5 and the detection tube 3, a probe of the pressure sensor 11 is located inside the detection tube 3, the top of the pressure sensor 11 penetrates through the outer wall of the detection tube 3 and the bottom of the control box 4, the pressure sensor 11 is connected with the detection tube 3 in an interference fit manner, and a second sealant 13 is disposed at a contact portion of the pressure sensor 11 and the detection tube 3.
The sealing performance between the flowmeter 5 and the pressure sensor 11 and the detection tube 3 is increased through the first sealing glue 12 and the second sealing glue 13, and the detection accuracy is improved.
In some embodiments of the present invention, the first receiving node 26 is connected to the flow meter 5, the second receiving node 27 is connected to the pressure sensor 11, the output terminal of the signal receiving module 16 is connected to the input terminal of the MCU controller 15, the output terminal of the MCU controller 15 is connected to the input terminal of the signal output module 17, the wireless output node 28 is wirelessly connected to the mobile phone APP terminal 2, the wired output node 29 is electrically connected to the buzzer alarm 9 and the display screen 10, the output terminal of the MCU controller 15 is connected to the input terminal of the data analysis module 20, the output terminal of the data analysis module 20 is connected to the input terminal of the time module 23, the output terminal of the data analysis module 20 is connected to the input terminal of the graphic processing module 21, the output terminal of the graphic processing module 21 is connected to the input terminal of the feedback module 22, the output terminal of the feedback module 22 is connected to the input terminal of the MCU controller 15, the output terminals of the time module 23 and the GPS positioning module 24 are connected to the input terminal of the synchronization module 25, the output end of the synchronization module 25 is connected with the input end of the MCU controller 15, the storage module 19 is connected with the MCU controller 15, the data analysis module 20 is used for corresponding the measured flow value and air pressure value with time, the graphic processing module 21 takes time as an abscissa and takes the flow value and air pressure value as an ordinate to convert the measured flow value and air pressure value with time into a broken line graph, the time module 23 is Beijing time, the power supply module 18 is used for providing electric energy for the buzzer alarm 9, the display screen 10, the MCU controller 15, the signal receiving module 16, the signal output module 17, the storage module 19, the data analysis module 20, the graphic processing module 21, the feedback module 22, the time module 23, the GPS positioning module 24 and the synchronization module 25, the printed circuit board 14 is fixedly installed in the control box 4, the MCU controller 15, the signal receiving module 16, the signal output module 17, the power supply module 18, The storage module 19, the data analysis module 20, the graphic processing module 21, the feedback module 22, the time module 23, the GPS positioning module 24 and the synchronization module 25 are all fixedly mounted on the printed circuit board 14.
Can turn into the line graph with the inside gas flow of pipeline and the relation between atmospheric pressure and the time through monitoring system, conveniently reveal the flow that causes sharply to reduce or atmospheric pressure sharply descends to monitor to gas, can play the effect of reporting to the police, can transmit the time and the position of revealing pipeline gas again for the monitor at cell-phone APP terminal, conveniently overhaul fast and accurately.
In some embodiments of the present invention, a method for preventing gas leakage in a pipeline includes monitoring alarms and data storage.
The specific steps of monitoring and alarming are as follows:
step S1: firstly, taking two device bodies 1, and connecting the two device bodies 1 with two ends of a pipeline through flange holes 7 formed in a flange plate 6;
step S2: the flow meter 5 and the pressure sensor 11 respectively detect the flow and the pressure in the pipeline, and transmit the detected data information to the MCU controller 15 through the signal receiving module 16, the MCU controller 15 transmits the data information to the data analyzing module 20, the data analyzing module 20 transmits the detected flow value and air pressure value corresponding to the time to the graphic processing module 21, the graphic processing module 21 takes the time as a horizontal coordinate, converts the detected flow value and air pressure value and the time into a line graph with the flow value and air pressure value vertical coordinate, and transmits the line graph to the MCU controller 15 through the feedback module 22;
step S3: MCU controller 15 carries out the analysis to the broken line graph, when flow sharply reduces or atmospheric pressure sharply descends appearing, synchronization module 25 will accept time module 23 and GPS orientation module 24's information, obtain the specific time and the specific position that the pipeline was revealed this moment, and give MCU controller 15 with the specific time and the specific position transmission that the pipeline gas was revealed, MCU controller 15 gives signal output module 17 with the specific time and the specific position transmission that the pipeline gas was revealed, give the monitor of cell-phone APP terminal 2 with the pipeline gas information wireless transmission through wireless output node 28, make things convenient for the monitor to confirm fast and overhaul, and control buzzer siren 9 through wired output node 29 and report to the police, and reveal the pipeline gas information on display screen 10, the effect of reporting to the police has been played.
The specific steps of data storage are as follows:
step S4: in step S3, the MCU controller 15 stores the specific time and the specific location of the pipeline gas leakage in the storage module 19, so as to derive data for monitoring the pipeline information at each location.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. Prevent gas leakage device in pipeline, including device body (1) and monitoring system, its characterized in that: the device body (1) comprises a detection tube (3), a control box (4), a flowmeter (5) and a pressure sensor (11), wherein a buzzer alarm (9) is fixedly installed at the top of the control box (4), and a display screen (10) is embedded in the front side of the control box (4);
the monitoring system comprises an MCU (microprogrammed control Unit) controller (15), a signal receiving module (16), a signal output module (17), a power supply module (18), a storage module (19), a data analysis module (20), a graphic processing module (21), a feedback module (22), a time module (23), a GPS (global positioning system) positioning module (24) and a synchronization module (25), wherein the signal receiving module (16) comprises a first receiving node (26) and a second receiving node (27), and the signal output module (17) comprises a wireless output node (28) and a wired output node (29).
2. The apparatus for preventing gas leakage in pipeline according to claim 1, wherein: the both ends symmetry fixedly connected with ring flange (6) of test tube (3), a plurality of flange hole (7), two have been seted up along the department outward of ring flange (6) the non-adjacent side symmetry fixedly connected with sealing washer (8) of ring flange (6), sealing washer (8) are the annular shape, and the inner wall diameter of sealing washer (8) is greater than the outer wall diameter of test tube (3).
3. The apparatus for preventing gas leakage in pipeline according to claim 1, wherein: control box (4) fixed connection is at the top of detecting tube (3), the bottom of flowmeter (5) runs through in the outer wall of detecting tube (3) and is in the inside of detecting tube (3), flowmeter (5) are connected with detecting tube (3) interference fit, and flowmeter (5) are provided with first sealed glue (12) with detecting tube (3) contact site, the probe of pressure sensor (11) is in the inside of detecting tube (3), and the top of pressure sensor (11) runs through in the outer wall of detecting tube (3) and the bottom of control box (4), pressure sensor (11) are connected with detecting tube (3) interference fit, and pressure sensor (11) are provided with sealed glue (13) of second with detecting tube (3) contact site.
4. The apparatus for preventing gas leakage in pipeline according to claim 1, wherein: the receiving node I (26) is connected with the flowmeter (5), the receiving node II (27) is connected with the pressure sensor (11), the output end of the signal receiving module (16) is connected with the input end of the MCU controller (15), the output end of the MCU controller (15) is connected with the input end of the signal output module (17), the wireless output node (28) is wirelessly connected with a mobile phone APP terminal (2), the wired output node (29) is electrically connected with the buzzer alarm (9) and the display screen (10), the output end of the MCU controller (15) is connected with the input end of the data analysis module (20), the output end of the data analysis module (20) is connected with the input end of the time module (23), the output end of the data analysis module (20) is connected with the input end of the graphic processing module (21), the output end of the graphic processing module (21) is connected with the input end of the feedback module (22), the output end of the feedback module (22) is connected with the input end of the MCU controller (15), the output ends of the time module (23) and the GPS positioning module (24) are connected with the input end of the synchronization module (25), the output end of the synchronization module (25) is connected with the input end of the MCU controller (15), and the storage module (19) is connected with the MCU controller (15).
5. The apparatus for preventing gas leakage in pipeline according to claim 1, wherein: the data analysis module (20) is used for enabling a measured flow value and an air pressure value to correspond to time, the graphic processing module (21) takes the time as a horizontal coordinate, and converts the measured flow value and air pressure value and the time into a line graph by using a flow value and an air pressure value vertical coordinate, the time module (23) is Beijing time, and the power supply module (18) is used for providing electric energy for the buzzer alarm (9), the display screen (10), the MCU controller (15), the signal receiving module (16), the signal output module (17), the storage module (19), the data analysis module (20), the graphic processing module (21), the feedback module (22), the time module (23), the GPS positioning module (24) and the synchronization module (25).
6. The apparatus for preventing gas leakage in pipeline according to claim 1, wherein: the intelligent control system is characterized in that a printed circuit board (14) is fixedly mounted inside the control box (4), and the MCU controller (15), the signal receiving module (16), the signal output module (17), the power supply module (18), the storage module (19), the data analysis module (20), the graphic processing module (21), the feedback module (22), the time module (23), the GPS positioning module (24) and the synchronization module (25) are fixedly mounted on the printed circuit board (14).
7. The method for preventing gas leakage in pipeline is characterized in that: the method comprises monitoring alarm and data storage.
8. The method of claim 7, wherein the step of preventing gas leakage comprises: the specific steps of the monitoring alarm are as follows:
step S1: firstly, taking two device bodies (1), and connecting the two device bodies (1) with two ends of a pipeline through flange holes (7) formed in a flange plate (6);
step S2: the flow meter (5) and the pressure sensor (11) respectively detect the flow and the pressure in a pipeline, detected data information is transmitted to the MCU controller (15) through the signal receiving module (16), the MCU controller (15) transmits the data information to the data analysis module (20), the data analysis module (20) transmits the measured flow value and air pressure value to the graphic processing module (21) after corresponding to the time, the graphic processing module (21) converts the measured flow value and air pressure value and the time into a line graph by taking the time as a horizontal coordinate and taking the flow value and air pressure value as a vertical coordinate, and the line graph is transmitted to the MCU controller (15) through the feedback module (22);
step S3: the MCU controller (15) analyzes the broken line graph, when the flow rate is sharply reduced or the air pressure is sharply reduced, the synchronization module (25) receives the information of the time module (23) and the GPS positioning module (24) to obtain the specific time and the specific position of the pipeline leakage at the moment, and transmits the specific time and the specific position of the pipeline gas leakage to the MCU controller (15), the MCU controller (15) transmits the specific time and the specific position of the pipeline gas leakage to the signal output module (17), the pipeline gas leakage information is wirelessly transmitted to a monitor of the mobile phone APP terminal (2) through the wireless output node (28), so that the monitor can quickly determine and overhaul conveniently, and controls the buzzer alarm (9) to alarm through a wired output node (29), and the pipeline gas leakage information is displayed on the display screen (10), so that the alarm function is realized.
9. The method of claim 8, wherein the step of preventing gas leakage comprises: the specific steps of the data storage are as follows:
step S4: in step S3, the MCU controller (15) stores the specific time and the specific location of the pipeline gas leakage in the memory module (19), so as to derive data for monitoring the pipeline information at each location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110999451.0A CN113915537A (en) | 2021-08-29 | 2021-08-29 | Method and apparatus for preventing gas leakage in pipeline |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110999451.0A CN113915537A (en) | 2021-08-29 | 2021-08-29 | Method and apparatus for preventing gas leakage in pipeline |
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| Publication Number | Publication Date |
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| CN113915537A true CN113915537A (en) | 2022-01-11 |
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| CN202110999451.0A Withdrawn CN113915537A (en) | 2021-08-29 | 2021-08-29 | Method and apparatus for preventing gas leakage in pipeline |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114414102A (en) * | 2022-01-24 | 2022-04-29 | 成都秦川物联网科技股份有限公司 | Centralized energy metering device embedded with information security module and Internet of things system |
| CN114576444A (en) * | 2022-01-19 | 2022-06-03 | 唐莹莹 | Coping pipeline leakage flange based on stability improvement |
| CN115899599A (en) * | 2022-12-07 | 2023-04-04 | 武汉燃气热力能源服务有限公司 | A modular device for combustible gas leakage collection |
-
2021
- 2021-08-29 CN CN202110999451.0A patent/CN113915537A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114576444A (en) * | 2022-01-19 | 2022-06-03 | 唐莹莹 | Coping pipeline leakage flange based on stability improvement |
| CN114414102A (en) * | 2022-01-24 | 2022-04-29 | 成都秦川物联网科技股份有限公司 | Centralized energy metering device embedded with information security module and Internet of things system |
| CN114414102B (en) * | 2022-01-24 | 2025-04-01 | 成都秦川物联网科技股份有限公司 | Centralized energy metering device and Internet of Things system embedded with information security module |
| CN115899599A (en) * | 2022-12-07 | 2023-04-04 | 武汉燃气热力能源服务有限公司 | A modular device for combustible gas leakage collection |
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Application publication date: 20220111 |