CN114963022A - Natural gas leakage detection device for gas pipe network - Google Patents
Natural gas leakage detection device for gas pipe network Download PDFInfo
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- CN114963022A CN114963022A CN202210689096.1A CN202210689096A CN114963022A CN 114963022 A CN114963022 A CN 114963022A CN 202210689096 A CN202210689096 A CN 202210689096A CN 114963022 A CN114963022 A CN 114963022A
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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
- F17D5/00—Protection or supervision of installations
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Abstract
The invention relates to a natural gas leakage detection device for a gas pipe network, which comprises a plurality of detection points arranged on the gas pipe network, wherein a detection module is arranged at each detection point, the detection module comprises a detection module and a first communication module connected with the detection module, the first communication module is a wireless communication module, the detection module detects that gas leakage occurs at the detection points, and an alarm signal sent by the detection module is transmitted to a communication company through the first communication module. The technical scheme provided by the invention has the characteristics of simple structure, strong reliability and good stability.
Description
Technical Field
The invention relates to the technical field of gas pipe networks, in particular to a natural gas leakage detection device for a gas pipe network.
Background
The town gas pipe network is a system formed by all facilities from a door station to a user, and comprises a door station or a gas source plant compressor station, a gas storage facility, a pressure regulating device, a transmission and distribution pipeline, a metering device, a management facility, a monitoring system and the like. The town natural gas pipeline is mainly divided into a high-pressure pipeline, a secondary high-pressure pipeline, a medium-pressure pipeline and a low-pressure pipeline. Natural gas pipelines have particularly stringent requirements compared to other pipelines, since gas leakage from a pipeline can lead to accidents such as fire, explosion, poisoning, etc. However, the higher the pressure in the natural gas pipeline is, the higher the possibility that the pipeline joint is disconnected and the pipeline itself is cracked is, and when the natural gas pressure in the pipeline is different, the requirements on the pipe, the installation quality, the inspection standard, the operation management and the like are also different.
The safety problem of a gas pipe network brings potential safety hazard of gas supply, and main disease nodes are concentrated on the aspects of construction damage, installation management, illegal buildings and the like:
(1) the construction and transformation degree of large buildings, road engineering, municipal engineering and the like is higher and higher, protective measures of a gas pipe network are not made in the construction process, for example, a construction scheme is not combined with a gas pipe network management unit to make, the gas pipe network is constructed blindly and brutally, the gas pipe network is damaged, the normal supply of natural gas is interrupted, even serious accidents such as fire, poisoning, explosion and the like occur, and the influence on the society is very bad.
(2) The installation and construction of the gas pipe network are key steps for ensuring the safe operation of the pipe network, the safety is from the quality, but because the supervision and management of the engineering quality are not in place, hidden troubles are left for the safe operation of the pipe network. In the process of installing the gas pipe network, the quality control work of the pipe network is jointly responsible for by a supervision engineer, construction management personnel of a construction unit and quality supervision personnel of the construction unit, and the shortage of the depth of certain pipe network grooves, the non-well-done anticorrosion treatment and the like can be caused due to the fact that the quality control work is not in place, so that the service life of the pipe network is shortened, and even corrosion, perforation and gas leakage are caused due to the contact corrosion with soil, and the gas pipe network becomes one of the main reasons of the gas pipe network safety accident problem.
(3) The urban gas pipe network belongs to underground engineering, has strict requirements on the construction of buildings above the gas pipe network, and generally considers the safety factors of the gas pipe network when planning the construction of the buildings so as to prevent the damage to the gas pipe network in the construction process. However, the illegal building of the violation building is not strictly planned, serious potential safety hazards are left for the safe operation of the gas pipe network, for example, the construction data of underground pipelines are incomplete, the pressure regulating equipment of the gas pipe network is sealed in the violation building under the condition that planning procedures are not handled, even some violation buildings are used for living people and opening restaurants, and once natural gas is leaked, the consequences are hard to imagine.
In summary, the gas pipe network is an important component of the urban infrastructure, and once leakage causes unpredictable loss, systematic detection needs to be performed by using a more modern technology to ensure that natural gas leakage can be accurately detected.
Disclosure of Invention
In order to solve all or part of the problems, the invention aims to provide a natural gas leakage detection device for a gas pipe network, which can realize real-time detection on the gas pipe network leakage problem and ensure that the detection result is reliable, so that workers can quickly repair the gas pipe network, and safety accidents are avoided.
The invention provides a gas pipe network detection device, which comprises a plurality of detection points arranged in a gas pipe network, wherein a detection module is arranged at each detection point, the detection module comprises a detection module and a first communication module connected with the detection module, the first communication module is a wireless communication module, the detection module detects that gas leakage occurs at the detection points, and an alarm signal sent by the detection module is transmitted to a communication company through the first communication module.
Furthermore, the system also comprises a plurality of information acquisition modules, each information acquisition module is connected with a plurality of detection modules, and the alarm signals sent by the detection modules are transmitted to the information acquisition modules.
The system further comprises a second communication module connected with the information acquisition module, wherein the second communication module is a wireless communication module or a wired communication module, and the information acquisition module transmits the received alarm signal to a communication company through the second communication module.
Further, the information acquisition module sends a test signal to the detection module periodically, the detection module feeds back or does not feed back a signal to the information acquisition module, and the information acquisition module does not receive the feedback signal, so that the information acquisition module sends a fault signal to a communication company through the second communication module.
Furthermore, the system also comprises a control module connected with the information acquisition module, a worker sends a maintenance signal to the second communication module, the maintenance signal is transmitted to the control module, and the control module is used for remotely maintaining, maintaining and/or testing the information acquisition module.
Further, the detection module in each detection module has a unique code; each information acquisition module has a unique code.
Furthermore, the first communication module adopts an internet of things card.
Furthermore, the detection module adopts a combustible gas alarm device.
Furthermore, each information acquisition module is connected with four groups of detection modules, and the information acquisition module controls the four groups of detection modules simultaneously.
Furthermore, the device also comprises a communication line, and the detection module and the first communication module, the detection module and the information acquisition module, the information acquisition module and the second communication module, and the information acquisition module and the control module are all connected through the communication line.
The technical scheme provided by the invention has the following advantages:
(1) this device can realize carrying out leak detection to the gas pipe network, the place that produces natural gas easily in the gas pipe network sets up the check point, for example at the valve well, the inspection shaft, survey well and pipe connection department set up the check point, carry out natural gas leakage detection, if the condition of natural gas leakage takes place, first communication module 2 can be with detection module 1's serial number, position and alarm signal transmission to communication company, communication company can be with relevant signal transmission to gas company or relevant safety control department, can arrange the staff fast and go the maintenance, in order to avoid causing the incident.
(2) The device has the characteristics of simple structure, lower cost and strong reliability.
Drawings
Fig. 1 is a schematic structural diagram of a gas pipe network detection device according to an embodiment of the present invention.
Description of reference numerals: a detection module 1; a first communication module 2; an information acquisition module 3; a second communication module 4; a control module 5; a communication line 6.
Detailed Description
In order to better understand the purpose, structure and function of the present invention, a natural gas leakage detecting device for a gas pipeline network according to the present invention is described in further detail below with reference to the accompanying drawings.
As shown in fig. 1, the gas pipe network natural gas leakage detection device according to the embodiment of the present invention includes a plurality of detection points arranged in a gas pipe network, and a detection module is arranged at each detection point, the detection module includes a detection module 1 and a first communication module 2 connected to the detection module 1, the first communication module 2 is a wireless communication module, the detection module 1 detects that gas leakage occurs at the detection point, and an alarm signal sent by the detection module 1 is transmitted to a communication company through the first communication module 2.
Further, the device can realize natural gas leakage detection of a gas pipe network, detection points are arranged at places where natural gas leakage is easy to occur in the gas pipe network, for example, detection points are arranged at places such as a valve well, a detection well, a pipeline joint and the like, natural gas leakage detection is carried out, if natural gas leakage occurs, the detection module 1 can detect natural gas leakage and send out an alarm signal, the first communication module 2 can transmit the number, the position and the alarm signal of the detection module 1 to a communication company, the communication company can transmit related signals to a gas company or related safety management departments, and workers can be quickly arranged to maintain to avoid safety accidents.
In this embodiment, the device further comprises a plurality of information acquisition modules 3, each information acquisition module 3 is connected with a plurality of detection modules 1, and the alarm signals sent by the detection modules 1 are transmitted to the information acquisition modules 3.
In this embodiment, the communication terminal further includes a second communication module 4 connected to the information acquisition module 3, the second communication module 4 is a wireless communication module or a wired communication module, and the information acquisition module 3 transmits the received alarm signal to a communication company through the second communication module 4.
Further explain, detection module 1 is connected with information acquisition module 3, information acquisition module 3 is connected with second communication module 4, when natural gas takes place to leak, the alarm signal that detection module 1 sent still can transmit to information acquisition module 3 through communication line 6, information acquisition module 3 can be with detection module 1's serial number through second communication module 4, position and alarm signal transmit to the communication company, the communication company can be with relevant signal transmission to gas company or relevant safety control department, can arrange the staff fast and go the maintenance, in order to avoid causing the incident.
Preferably, the second communication module 4 is a wired communication module, and when the wireless communication module is interfered by reasons such as weather or a magnetic field, the related signals detected by the detection module 1 can be sent to a communication company through the wired communication module, so that safety accidents caused by delayed rush repair due to the fact that an accident communication company does not receive an alarm signal are avoided. On the other hand, the detection module 1 can send the detected alarm signal to the communication company through two ways, so as to avoid an accident in one way, and the other way can still send the alarm signal to the communication company, so that the arrangement of rush repair of workers is facilitated, a safety accident is avoided, and the use of the gas pipe network is more reliable due to double guarantee.
In this embodiment, the information acquisition module 3 periodically sends a test signal to the detection module 1, the detection module 1 feeds back a signal or does not feed back a signal to the information acquisition module 3, and the information acquisition module 3 does not receive the feedback signal, so that the information acquisition module 3 sends a fault signal to a communication company through the second communication module 4.
Further, in order to avoid that the communication company cannot receive the alarm signal after the detection module 1 fails, the communication company can periodically send a test signal to the detection module 1 connected with the communication company through the information acquisition module 3, the detection module 1 feeds back the test signal after receiving the test signal, if the detection module 1 does not feed back the signal, the information acquisition module 3 transmits a related signal to the communication company through the second communication module 4, and the communication company sends related information to the gas company and related maintenance management departments, so that the arrangement of maintenance of workers is facilitated.
And through the remote maintenance detection module 1, the detection module 1 is not required to be inspected by regularly arranging workers to mount the detection module 1, so that the maintenance cost of the workers can be saved.
In this embodiment, the remote maintenance system further comprises a control module 5 connected with the information acquisition module 3, the staff sends a maintenance signal to the second communication module 4, the second communication module 4 transmits the maintenance signal to the control module 5, and the control module 5 remotely maintains, maintains and/or tests the information acquisition module 3.
Further, the control module 5 can perform initialization and maintenance checks on the information collection module 3. The gas company and the related maintenance management department send test signals to the information acquisition module 3 through the communication company, the test signals are transmitted to the control module 5, and the control module can realize remote maintenance and maintenance tests on the information acquisition module 3, so that the information acquisition module 3 is confirmed to be in a normal working state without faults.
And through the remote maintenance information acquisition module 3, the staff does not need to be regularly arranged to go to the installation place of the information acquisition module 3 to check the information acquisition module 3, so that the maintenance cost of the staff can be saved.
In this embodiment, the detection module 1 in each detection module has a unique code; each information acquisition module 3 has a unique code.
Further, because the detection modules 1 correspond to the first communication modules 2 one to one, the detection modules 1 can be independently marked through professional codes, and the uniqueness of the codes is ensured; because the information acquisition module 3 corresponds to the control module 5 and the second communication module 4 one by one, the information acquisition module 3 can be independently marked through professional codes, and the uniqueness of the codes is ensured.
Further, through the unique code, when a communication company receives an alarm signal, the communication company can know which detection module 1 or information acquisition module 3 sends the signal, so that the position of the detection module 1 or information acquisition module 3 is conveniently and quickly positioned, and a worker can quickly reach the position of the detection module 1 or information acquisition module 3 which sends the signal, so that the time can be saved, and safety accidents caused by delay are avoided.
In this embodiment, the first communication module 2 adopts an internet of things card.
Further, the first communication module 2 adopts an internet of things card, so that the detection module 1 is not limited by the current situation any more, large-scale excavation and long-distance cable laying can be omitted, and network resources are fully utilized to realize safety early warning.
In this embodiment, the detection module 1 employs a combustible gas alarm device.
Further, the detection module 1 is used in a gas pipe network for detecting the natural gas leakage, and the natural gas is combustible gas, so that a combustible gas alarm device is adopted.
In this embodiment, each information acquisition module 3 is connected to four sets of detection modules 1, and the information acquisition module 3 controls the four sets of detection modules 1 at the same time.
Further, each information collection module 3 is connected to four sets of detection modules 1 and controls the four sets of detection modules 1 at the same time, so that the cost can be saved.
In this embodiment, the device further includes a communication line 6, and the detection module 1 and the first communication module 2, the detection module 1 and the information acquisition module 3, the information acquisition module 3 and the second communication module 4, and the information acquisition module 3 and the control module 5 are all connected through the communication line 6.
Further, the stability of the signal transmitted through the communication line 6 is good, and the wireless transmission signal is easily affected by external weather, magnetic field, and the like, and there may be a case where signal transmission is delayed or cannot be transmitted, so that this problem can be avoided through wired transmission.
The technical scheme provided by the invention has the following advantages:
(1) the device can realize the detection of the whole natural gas leakage of the municipal gas pipe network, and the natural gas leakage is detected by arranging detection points at the joints of the valve well, the inspection well, the detection well and the pipeline of the gas pipe network;
(2) by utilizing the Internet of things card, the detection module 1 is not limited by the current situation any more, large-scale excavation and long-distance cable laying can be avoided, and network resources are fully utilized to realize safety early warning;
(3) in order to ensure reliable transmission of alarm signals, the device is provided with a signal acquisition module 3 which is mainly used for acquiring signals sent by the detection module 1 in a certain area, realizing synchronous alarm and ensuring that the alarm signals are transmitted in real time and reliably;
(4) the device can detect the state of the detection module 1 in real time through the information acquisition module 3, so as to ensure the reliability of the detection module 1;
(5) the information acquisition module of the device can realize remote maintenance, greatly reduces the maintenance workload of the device and can effectively improve the reliability of system operation.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. The utility model provides a gas pipe network natural gas leakage detection device, its characterized in that includes a plurality of check points, every that the gas pipe network set up the check point department is provided with the detection module, the detection module include detection module and with the first communication module that detection module connects, first communication module is wireless communication module, detection module detects the check point takes place gas leakage, the alarm signal that detection module sent passes through first communication module transmits to communication company.
2. The gas pipe network natural gas leakage detection device of claim 1, further comprising a plurality of information acquisition modules, wherein each information acquisition module is connected with a plurality of detection modules, and the alarm signal sent by the detection modules is transmitted to the information acquisition modules.
3. The natural gas leakage detection device for a gas pipe network according to claim 2, further comprising a second communication module connected to the information acquisition module, wherein the second communication module is a wireless communication module or a wired communication module, and the information acquisition module transmits the received alarm signal to a communication company through the second communication module.
4. The gas pipe network natural gas leakage detection device of claim 3, wherein the information acquisition module periodically sends a test signal to the detection module, the detection module feeds back or does not feed back a signal to the information acquisition module, and if the information acquisition module does not receive the feedback signal, the information acquisition module sends a fault signal to a communication company through the second communication module.
5. The gas pipe network natural gas leakage detection device of claim 3, further comprising a control module connected with the information acquisition module, wherein a worker sends a maintenance signal to the second communication module, the maintenance signal is transmitted to the control module, and the control module remotely maintains, maintains and/or tests the information acquisition module.
6. The gas pipe network natural gas leak detection device of claim 3, wherein the detection module in each detection module has a unique code; each information acquisition module has a unique code.
7. The natural gas leakage detection device of a gas pipe network according to claim 3, wherein the first communication module adopts an internet of things card.
8. The natural gas leakage detection device for a gas pipe network according to claim 1, wherein the detection module adopts a combustible gas alarm device.
9. The gas pipe network natural gas leakage detection device of claim 2, wherein each information acquisition module is connected with four sets of detection modules, and the information acquisition module controls the four sets of detection modules simultaneously.
10. The natural gas leakage detection device for a gas pipe network according to any one of claims 1 to 9, further comprising a communication line, wherein the detection module is connected with the first communication module, the detection module is connected with the information acquisition module, the information acquisition module is connected with the second communication module, and the information acquisition module is connected with the control module through the communication line.
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| CN202210689096.1A CN114963022A (en) | 2022-06-17 | 2022-06-17 | Natural gas leakage detection device for gas pipe network |
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| CN202210689096.1A CN114963022A (en) | 2022-06-17 | 2022-06-17 | Natural gas leakage detection device for gas pipe network |
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| US20210010645A1 (en) * | 2019-07-09 | 2021-01-14 | Anhui University of Science and Technology | Artificial intelligence detection system for deep-buried fuel gas pipeline leakage |
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2022
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| JP2000286988A (en) * | 1999-03-31 | 2000-10-13 | Kokusai Electric Co Ltd | Fault monitor system, transmission line monitoring system and gas failure monitor system |
| CN2731606Y (en) * | 2004-09-13 | 2005-10-05 | 吴春清 | Wired/wireless double communicaing security system |
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