CN112099399A - Earthquake emergency system and method for gas transportation facility - Google Patents

Earthquake emergency system and method for gas transportation facility Download PDF

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Publication number
CN112099399A
CN112099399A CN202010910531.XA CN202010910531A CN112099399A CN 112099399 A CN112099399 A CN 112099399A CN 202010910531 A CN202010910531 A CN 202010910531A CN 112099399 A CN112099399 A CN 112099399A
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China
Prior art keywords
gas
seismic
seismic signal
acquisition module
module
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CN202010910531.XA
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Chinese (zh)
Inventor
倪旭
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DONGBEN ELECTRICAL TECHNOLOGY (SUZHOU) CO LTD
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DONGBEN ELECTRICAL TECHNOLOGY (SUZHOU) CO LTD
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Priority to CN202010910531.XA priority Critical patent/CN112099399A/en
Publication of CN112099399A publication Critical patent/CN112099399A/en
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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0423—Input/output
    • 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
    • F17D1/04—Pipe-line systems for gases or vapours for distribution of gas
    • 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
    • F17D3/18—Arrangements for supervising or controlling working operations for measuring the quantity of conveyed product
    • 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
    • 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
    • F17D5/06—Preventing, monitoring, or locating loss using electric or acoustic means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00—Measuring or testing not otherwise provided for
    • G01D21/02—Measuring two or more variables by means not covered by a single other subclass
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/25—Pc structure of the system
    • G05B2219/25257—Microcontroller

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Acoustics & Sound (AREA)
  • Emergency Alarm Devices (AREA)

Abstract

The invention provides a seismic emergency system and method for a gas delivery facility, the seismic emergency system comprising: the earthquake signal acquisition module is arranged at a position, adjacent to a main gas pipeline, of the gas building vertical pipe and comprises an earthquake signal sensing part and a first electric control valve, the earthquake signal sensing part is used for acquiring earthquake signals, and the first electric control valve is used for controlling the on-off of gas of the gas building vertical pipe so as to control the gas supply of the whole building; the seismic signal detection module is in communication connection with the seismic signal acquisition module to receive the seismic signal, and is used for judging whether to send a valve closing instruction to the first electric control valve or not and generating seismic alarm information based on the seismic signal; and the alarm module is in communication connection with the seismic signal detection module so as to receive seismic alarm information from the seismic signal detection module.

Description

Earthquake emergency system and method for gas transportation facility
Technical Field
The invention relates to the field of gas monitoring, in particular to an earthquake emergency system and method for a gas conveying facility.
Background
Gas is a widely used resource in industry, business and home, and is currently generally delivered to users through dedicated gas delivery pipes. However, the current gas transmission facilities do not adopt any emergency measures against the occurrence of certain natural disasters (such as earthquakes), which results in that when an earthquake disaster occurs, for example, the gas transmission pipelines can cause personal and property safety due to damage.
Therefore, how to timely and effectively monitor the earthquake disaster in the gas transmission process so as to take timely and effective emergency measures when the earthquake disaster occurs becomes a technical problem to be solved urgently.
Disclosure of Invention
In order to solve the above technical problems, the present invention discloses an earthquake emergency system for a gas transportation facility, comprising: the earthquake signal acquisition module is arranged at a position, adjacent to a main gas pipeline, of the gas building vertical pipe and comprises an earthquake signal sensing part and a first electric control valve, the earthquake signal sensing part is used for acquiring earthquake signals, and the first electric control valve is used for controlling the on-off of gas of the gas building vertical pipe so as to control the gas supply of the whole building; the seismic signal detection module is in communication connection with the seismic signal acquisition module to receive the seismic signal, and is used for judging whether to send a valve closing instruction to the first electric control valve or not and generating seismic alarm information based on the seismic signal; and the alarm module is in communication connection with the seismic signal detection module so as to receive seismic alarm information from the seismic signal detection module.
The earthquake emergency system for the gas conveying facility can take timely and effective emergency measures for the gas conveying facility aiming at the occurrence of earthquake disasters, thereby avoiding the problem of potential safety hazards of gas conveying caused by the earthquake disasters.
Further, the seismic signal acquisition module further comprises a valve closing state detection device for detecting whether the first electric control valve is in a valve closing position.
By adopting the technical scheme, the electric control valve can be ensured to be closed in place.
Further, the seismic signal acquisition module further includes a first gas flow sensor for sensing a gas flow in a gas building riser, and the seismic emergency system further includes: the gas flow data acquisition module is arranged at the gas household pipeline and is in communication connection with the alarm module, and the gas flow data acquisition module comprises a second gas flow sensor which is used for sensing the gas flow in the gas household pipeline.
By adopting the technical scheme, the monitoring of the gas leakage of the multi-span stand pipe of the gas building is realized.
Further, the earthquake emergency system further comprises: the gas use data acquisition module is arranged at the gas use terminal equipment and is in communication connection with the alarm module, the gas use data acquisition module comprises a temperature sensor, and the temperature sensor is used for acquiring the temperature data of the gas use terminal equipment as gas use data.
By adopting the technical scheme, the monitoring on the household gas leakage of the user is realized.
Further, the gas flow data acquisition module also comprises a second electric control valve, and the second electric control valve is used for controlling the gas on-off of the gas pipeline.
By adopting the technical scheme, the gas supply of the gas-to-home pipeline can be cut off in time when the gas leakage occurs in the user family.
Further, the earthquake emergency system further comprises: and the gas metering instrument is arranged in the gas household pipeline and is in communication connection with the alarm module, and the gas metering instrument is used for acquiring the gas consumption value of a gas user.
By adopting the technical scheme, the monitoring of the gas stealing behavior can be realized.
Further, the alarm module is a cloud server, the earthquake emergency system further comprises a controller arranged in a user house, and the cloud server is in communication connection with the gas flow data acquisition module, the gas use data acquisition module and the gas metering instrument through the controller.
By adopting the technical scheme, the sharing of the alarm information is realized.
Further, the first gas flow sensor and the second gas flow sensor are ultrasonic gas flow sensors.
Through adopting above-mentioned technical scheme, improve the measuring accuracy that the gas flows.
The invention also provides an earthquake emergency method for the gas conveying facility, which comprises the following steps: acquiring a seismic signal through a seismic signal acquisition module, wherein the seismic signal acquisition module is arranged at a position, adjacent to a main gas pipeline, of a gas building riser, and comprises a seismic signal sensing part and a first electric control valve, the seismic signal sensing part is used for acquiring the seismic signal, and the first electric control valve is used for controlling the on-off of gas of the gas building riser so as to control the gas supply of the whole building; receiving the seismic signal from the seismic signal acquisition module through a seismic signal detection module to judge whether to send a valve closing finger to the first electrically-controlled valve and generate seismic alarm information based on the seismic signal; and receiving earthquake alarm information from the earthquake signal detection module through an alarm module so as to alarm the earthquake.
By adopting the technical scheme, timely and effective emergency measures can be taken for the gas conveying facilities aiming at the occurrence of earthquake disasters, so that the problem of potential safety hazards in gas conveying caused by the earthquake disasters is avoided.
Further, the seismic signal acquisition module further comprises a valve closing state detection device for detecting whether the first electric control valve is in a valve closing position, wherein after the seismic signal detection module sends a valve closing instruction to the first electric control valve, a valve closing state detection instruction is further sent to the valve closing state detection device to detect whether the first electric control valve is in the valve closing position.
By adopting the technical scheme, the electric control valve can be ensured to be closed in place.
Drawings
Fig. 1 and 2 are schematic structural views of a seismic emergency system for a gas transportation facility of the present invention;
FIG. 3 is a topological block diagram of the seismic emergency system for a gas delivery facility of the present invention;
fig. 4 is a schematic structural view of a seismic emergency system according to a further embodiment of the present invention.
Detailed Description
The technical solution of the present invention will be further described with reference to the following specific examples, but the present invention is not limited to these examples.
Referring to fig. 1-3 of the present invention, a gas transportation facility or pipeline generally includes a gas main 10, a building riser 20 and a gas service pipeline 30, the building riser 20 is communicated with the gas main 10 for transporting gas for a building, and the gas service pipeline 30 is communicated with the building riser 20 for transporting gas for a user's home. It should be noted that although only one building riser 20 and one gas service conduit 30 are shown in fig. 2, it is understood that the specific number of building risers 20 and gas service conduits 30 is not particularly limited, and may depend on the number of buildings and the number of user households.
The earthquake emergency system for gas transmission facilities of the present invention comprises an earthquake signal acquisition module 101 disposed at a position close to or adjacent to a gas main pipe (i.e., at the front end of all gas service pipes 30) of a building riser 20, the earthquake signal acquisition module 101 comprising an earthquake signal sensing part 1011 (e.g., an earthquake sensor) for acquiring an earthquake signal and a first electric control valve 1012 for controlling the on/off of gas in the building riser, thereby controlling the gas supply of the whole building. The seismic emergency system further comprises a seismic signal detection module 102 which is in communication connection with the seismic signal acquisition module 101 to receive the seismic signals acquired by the seismic signal detection module 102, and the seismic signal detection module 102 judges whether to take a seismic emergency measure based on the received seismic signals. For example, when the intensity of the acquired seismic signal is greater than a preset value, the seismic signal detection module 102 determines that an earthquake emergency measure needs to be taken, at this time, the seismic signal detection module 102 sends a valve closing instruction to the first electric control valve 1012 to cut off the gas supply in the building riser, so that personal and property safety and the like caused by gas pipeline leakage due to an earthquake are avoided, and the seismic signal detection module 102 also generates seismic alarm information. The earthquake emergency system further includes an alarm module 103 which is in communication connection with the earthquake signal detection module 102 to receive earthquake alarm information from the earthquake signal detection module 102, and when the alarm module 103 receives the earthquake alarm information, the alarm module 103 may notify the earthquake alarm information to a gas company, a community center, each terminal platform, and the like in various ways.
Further, since the first electric control valve 1012 has a possibility that the valve is not closed in place after receiving the valve closing instruction, in order to avoid this situation, the seismic signal acquisition module 101 may further include a valve closing state detection device 1013, so that after the seismic signal detection module 102 sends the valve closing instruction to the first electric control valve 1012, the seismic signal acquisition module may further send a valve closing state detection instruction to the valve closing state detection device 1013, after receiving the instruction, the valve closing state detection device 1013 detects whether the first electric control valve 1012 is closed in place, and when detecting that the valve is not closed in place, the seismic signal detection module 102 may further send a valve closing failure reminder to the seismic signal detection module 102, and the seismic signal detection module 102 may send the valve closing instruction to the first electric control valve 1012 again, or send a valve closing failure reminder to the alarm module 103 to notify a relevant platform, a gas company, and the like, to take further measures.
As the valve closing state detection device 1013, for example, a gas valve closing position detection device disclosed in patent document CN206514893U can be used.
Further, the seismic signal acquisition module 101 may further include a first gas flow sensor 1014, the first gas flow sensor 1014 being configured to detect whether gas flows in the building riser, and the seismic emergency system further includes a gas flow data acquisition module 104 disposed at the gas service pipe 30 and communicatively connected to the alarm module 103, the gas flow data acquisition module 104 including a second gas flow sensor configured to sense gas flows in the gas service pipe. In this embodiment, the second gas flow sensor can detect whether there is gas flowing in the gas service pipe, when it is detected that there is no gas flowing in the gas service pipe, the result is transmitted to the alarm module 103, at this time, the alarm module 103 notifies the seismic signal acquisition module 101 (specifically, through the first gas flow sensor 1014) to acquire whether there is gas flowing in the building riser, if so, it is determined that gas leakage occurs in the building riser, a valve closing instruction is immediately sent to the first electric control valve 1012 to cut off the gas supply to the building riser, and at the same time, the alarm module 103 notifies the gas company, each terminal platform, and the like.
Further, the earthquake emergency system may further include a gas usage data acquisition module 105 disposed at a gas usage terminal device (e.g., a gas range, a water heater, etc.) of the user's home and communicatively connected to the alarm module 103, and the gas usage data acquisition module 105 may include a temperature sensor to acquire temperature data of the gas usage terminal device as the gas usage data. In this embodiment, when it is determined that the gas using terminal device is not in use through the acquired temperature data of the gas using terminal device, and it is detected that gas flows in the gas household pipeline 30 through the second gas flow sensor of the gas flow data acquisition module 104, it is determined that gas leakage occurs in the household of the user, and at this time, the alarm module 103 notifies the user, the gas company, the community center, or the like of the occurrence of gas leakage. In addition, the gas usage data collection module 105 may further include a second electrically controlled valve to cut off the gas supply of the gas service pipe 30 in time when the gas leakage is detected in the user's home.
Further, the earthquake emergency system may further include a gas meter 106 disposed in the gas household pipe 30 and communicatively connected to the alarm module 103, wherein the gas meter 106 is configured to obtain a gas usage value of the gas user. In this embodiment, when it is determined that the gas using terminal device is in use by the temperature data acquired by the gas using data acquiring module 105 and the gas usage value acquired by the gas metering device 106 is unchanged, it is determined that gas theft occurs, and at this time, the gas company may be notified of the occurrence of gas theft by the alarm module 103.
As for the first gas flow sensor and the second gas flow sensor in the above embodiments, preferably, an ultrasonic gas flow sensor may be employed.
In addition, as for the seismic signal detection module 102 and the alarm module 103, a microprocessor, a controller, or the like may be employed. Although the seismic signal detection module 102, the seismic signal acquisition module 101, and the alarm module 103 are shown as separate modules, it is understood that the seismic signal detection module 102 may be a dedicated circuit or a chip integrated in the seismic signal acquisition module 101 or the alarm module 103. In addition, preferably, the alarm module 103 may employ a cloud server to facilitate the sharing of the earthquake alarm information, for example, by accessing the cloud server, the alarm information may be pushed to a gas company, a user mobile phone, a community center, and the like. In this case, for example, referring to fig. 3, the earthquake emergency system further includes a controller 107 provided in the user house, and the alarm module (i.e., cloud server) 103 may be communicatively connected to the gas flow data collection module 104, the gas usage data collection module 105, and the gas meter 106 through the controller 107. For example, the controller 107 may complete ad hoc network communication with the gas flow data acquisition module 104, the gas usage data acquisition module 105, and the gas metering device 106 in the LoRa wireless communication manner, and may communicate with the cloud server 103 in the WIFI or NB-IoT wireless communication manner.
Further, as for the controller 107, it may have an audible and visual alarm module to make an audible and visual alarm when it is detected that gas leakage occurs at the home of the user, so as to inform the user located at home.
Another embodiment of the present invention also provides a method for earthquake emergency of a gas transportation facility, including: acquiring a seismic signal through a seismic signal acquisition module, wherein the seismic signal acquisition module is arranged at a position, adjacent to a main gas pipeline, of a gas building riser, and comprises a seismic signal sensing part and a first electric control valve, the seismic signal sensing part is used for acquiring the seismic signal, and the first electric control valve is used for controlling the on-off of gas of the gas building riser so as to control the gas supply of the whole building; receiving the seismic signal from the seismic signal acquisition module through a seismic signal detection module to determine whether to send a valve closing instruction to the first electrically controlled valve and generate seismic alarm information based on the seismic signal; and receiving earthquake alarm information from the earthquake signal detection module through an alarm module so as to alarm the earthquake.
Further, the seismic signal acquisition module further comprises a valve closing state detection device for detecting whether the first electric control valve is in a valve closing position, wherein after the seismic signal detection module sends a valve closing instruction to the first electric control valve, a valve closing state detection instruction is further sent to the valve closing state detection device to detect whether the first electric control valve is in the valve closing position.
In the above-described embodiment, whether or not the corresponding seismic emergency measure is taken is determined by analysis (e.g., analysis or determination of signal strength) of the signals acquired by the seismic sensors 1011 by the seismic signal detection module 102. However, in actual detection, other factors may exist, which cause a strong vibration signal to be acquired by the seismic sensor 1011, for example, an explosion occurs near the gas delivery cell, or other human factors cause a strong vibration to occur near the seismic sensor 1011. In this case, the seismic signal detection module 102 may be caused to misinterpret the strong seismic signal acquired by the seismic sensor 1011 as a seismic signal. To avoid such misjudgment and improve the seismic detection accuracy, in a further embodiment of the present invention, referring to fig. 4, the seismic emergency system may further include a seismic signal comparison module 108. The seismic signal comparison module 108 is communicatively connected between at least two seismic signal detection modules 102 and the alarm module 108, wherein each seismic signal detection module 102 is communicatively connected to a seismic signal acquisition module 101 located at a different location (e.g., a different building location or cell location, etc.), and at least two of the seismic signal acquisition modules 101 are separated by a predetermined distance (e.g., 3km, 5km, etc.) or more.
In this further embodiment, when it is judged by the seismic signal detection module 102 that the intensity of the seismic or vibration signal collected by the seismic signal collection module 101 located at the first position is greater than the preset value, instead of immediately taking the earthquake emergency measure (including controlling the electrically controlled valve 1012 to cut off the gas supply to the building riser and sending alarm information to the alarm module 103), the seismic signal detection module 102 further sends the acquired seismic signal at the first position and the signal comparison request to the seismic signal comparison module 108, and after receiving the request information and the seismic signal, the seismic signal may be compared to seismic signals acquired by one or more seismic signal acquisition modules 101 located at other locations (more than a predetermined distance from the first location), to determine whether the seismic signals acquired at the first location were due to an earthquake or other factors. For example, when the intensity of the seismic signal received from the seismic signal detection module 102 at another location is less than a preset value, or the frequency, phase, or seismic azimuth, etc. of the seismic signal received from another seismic signal detection module 102 are completely different from the seismic signal at the first location, it may be determined that the seismic or seismic signal acquired by the seismic signal acquisition module 101 at the first location is not due to an earthquake but is due to other factors. In this case, no corresponding emergency measures are taken. On the contrary, it can be understood that the seismic signal comparison module 108 determines that an earthquake occurs, and at this time, notifies the corresponding seismic signal detection module 102 to take a corresponding earthquake emergency measure and send alarm information to the alarm module 103.
In the further embodiment, the seismic signal comparison module 108 is further arranged, so that the seismic detection accuracy is improved, and the seismic misjudgment caused by other factors is avoided.
It will be appreciated that, with respect to the seismic signal comparison module 108, it may be a separate microprocessor, controller, etc., or it may be a dedicated circuit or chip, etc., integrated in the alarm module 103.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.

Claims (10)

1. A seismic emergency system for a gas delivery facility, comprising:
the earthquake signal acquisition module is arranged at a position, adjacent to a main gas pipeline, of the gas building vertical pipe and comprises an earthquake signal sensing part and a first electric control valve, the earthquake signal sensing part is used for acquiring earthquake signals, and the first electric control valve is used for controlling the on-off of gas of the gas building vertical pipe so as to control the gas supply of the whole building;
the seismic signal detection module is in communication connection with the seismic signal acquisition module to receive the seismic signal, and is used for judging whether to send a valve closing instruction to the first electric control valve or not and generating seismic alarm information based on the seismic signal;
and the alarm module is in communication connection with the seismic signal detection module so as to receive seismic alarm information from the seismic signal detection module.
2. The seismic emergency system of claim 1, wherein the seismic signal acquisition module further comprises a valve-close state detection device for detecting whether the first electrically-controlled valve is in a valve-close position.
3. The seismic emergency system of claim 2, wherein the seismic signal acquisition module further comprises a first gas flow sensor for sensing gas flow in a gas building riser, and further comprising:
the gas flow data acquisition module is arranged at the gas household pipeline and is in communication connection with the alarm module, and the gas flow data acquisition module comprises a second gas flow sensor which is used for sensing the gas flow in the gas household pipeline.
4. The seismic emergency system of claim 3, further comprising:
the gas use data acquisition module is arranged at the gas use terminal equipment and is in communication connection with the alarm module, the gas use data acquisition module comprises a temperature sensor, and the temperature sensor is used for acquiring the temperature data of the gas use terminal equipment as gas use data.
5. The earthquake emergency system according to claim 4, wherein the gas flow data acquisition module further comprises a second electric control valve for controlling the gas on-off of the gas service pipeline.
6. The seismic emergency system of claim 5, further comprising:
and the gas metering instrument is arranged in the gas household pipeline and is in communication connection with the alarm module, and the gas metering instrument is used for acquiring the gas consumption value of a gas user.
7. The seismic emergency system of claim 6, wherein the alarm module is a cloud server, the seismic emergency system further comprising a controller disposed in a user's premises, the cloud server being communicatively connected to the gas flow data acquisition module, the gas usage data acquisition module, and the gas metering instrument via the controller.
8. The seismic emergency system of claim 7, wherein the first gas flow sensor and the second gas flow sensor are ultrasonic gas flow sensors.
9. A seismic emergency method for a gas delivery facility, comprising:
acquiring a seismic signal through a seismic signal acquisition module, wherein the seismic signal acquisition module is arranged at a position, adjacent to a main gas pipeline, of a gas building riser, and comprises a seismic signal sensing part and a first electric control valve, the seismic signal sensing part is used for acquiring the seismic signal, and the first electric control valve is used for controlling the on-off of gas of the gas building riser so as to control the gas supply of the whole building;
receiving the seismic signal from the seismic signal acquisition module through a seismic signal detection module to judge whether to send a valve closing finger to the first electrically-controlled valve and generate seismic alarm information based on the seismic signal;
and receiving earthquake alarm information from the earthquake signal detection module through an alarm module so as to alarm the earthquake.
10. The seismic emergency method according to claim 9, wherein the seismic signal acquisition module further comprises a valve closing state detection device for detecting whether the first electrically-operated valve is in the valve closing position, wherein after the seismic signal detection module sends a valve closing instruction to the first electrically-operated valve, a valve closing state detection instruction is further sent to the valve closing state detection device to detect whether the first electrically-operated valve is in the valve closing position.
CN202010910531.XA 2020-09-02 2020-09-02 Earthquake emergency system and method for gas transportation facility Pending CN112099399A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010910531.XA CN112099399A (en) 2020-09-02 2020-09-02 Earthquake emergency system and method for gas transportation facility

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010910531.XA CN112099399A (en) 2020-09-02 2020-09-02 Earthquake emergency system and method for gas transportation facility

Publications (1)

Publication Number Publication Date
CN112099399A true CN112099399A (en) 2020-12-18

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CN202010910531.XA Pending CN112099399A (en) 2020-09-02 2020-09-02 Earthquake emergency system and method for gas transportation facility

Country Status (1)

Country Link
CN (1) CN112099399A (en)

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