CN108922126B - Natural gas leakage alarm system and alarm method - Google Patents
Natural gas leakage alarm system and alarm method Download PDFInfo
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- CN108922126B CN108922126B CN201810738599.7A CN201810738599A CN108922126B CN 108922126 B CN108922126 B CN 108922126B CN 201810738599 A CN201810738599 A CN 201810738599A CN 108922126 B CN108922126 B CN 108922126B
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
- G08B21/16—Combustible gas alarms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/005—Protection or supervision of installations of gas pipelines, e.g. alarm
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- 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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
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Abstract
The invention discloses a natural gas leakage alarm system and an alarm method, and the system and the method specifically comprise a remote server, a remote control switch, a gas leakage detection device and a mobile client; the remote server is respectively in communication connection with the remote control switch, the gas leakage detection device and the mobile client, and the mobile client is in communication connection with the remote control switch; the remote server is internally provided with a data transmission unit, the remote control switch is internally provided with a control unit, an air inlet switch and a first communication unit, the air leakage detection device is internally provided with a natural gas concentration detection unit and a second communication unit, and the application program of the mobile client is internally provided with a switch control unit and a data receiving and sending unit. The natural gas leakage alarm system and the alarm method can realize the problems of finding the natural gas leakage condition in the home in time, checking whether the daily diet of the old is regular, monitoring whether the natural gas pipe is aged or leaks gas, whether the kitchen range is forgotten to be closed and the like, and can effectively reduce the potential safety hazard of the old living alone.
Description
Technical Field
The invention relates to the technical field of natural gas leakage alarming, in particular to a natural gas leakage alarming system and method.
Background
With the increasing aging, the number of the elderly living alone in the society is increasing. The old people often forget things due to high annual and reduced memory, so that the life safety of the old people living alone is more and more concerned by people, and the old people often report that the old people forget to close natural gas to poison the death, forget to close a gas stove to cause fire and the like. Therefore, the living safety of the solitary old people is a problem to be solved urgently, and particularly the problem of safe gas consumption of the old people in the living is a great matter of concern of children and children.
Disclosure of Invention
The invention aims to overcome the defects in the background technology, provides a natural gas leakage alarm system and an alarm method, can realize the problems of timely finding the natural gas leakage condition in home, checking whether the daily diet of the old is regular, monitoring whether a natural gas pipe is aged or leaks, whether a cooker is forgotten to be closed and the like, and can effectively reduce the potential safety hazard of the old living alone.
In order to achieve the technical effects, the invention adopts the following technical scheme:
a natural gas leakage alarm system specifically comprises a remote server, a remote control switch, a gas leakage detection device and a mobile client, wherein an application program corresponding to the natural gas leakage alarm system is installed in the mobile client; the remote control switch is installed at the air inlet of the natural gas transmission pipeline, the air leakage detection device is installed at the air outlet of the natural gas transmission pipeline, the remote server is respectively in communication connection with the remote control switch, the air leakage detection device and the mobile client, and the mobile client is in communication connection with the remote control switch;
a data transmission unit is arranged in the remote server, a control unit, an air inlet switch and a first communication unit are arranged in the remote control switch, a natural gas concentration detection unit and a second communication unit are arranged in the air leakage detection device, and a switch control unit and a data transceiving unit are arranged in an application program of the mobile client;
the working principle of the natural gas leakage alarm system is that the remote control switch uploads the state of the air inlet switch to the remote server, the remote server can also automatically check and acquire the state of the air inlet switch, when the state of the air inlet switch is changed, the remote control switch uploads the state of the air inlet switch to the remote server in real time, the leakage detection device can monitor the concentration of natural gas in the air at the air outlet of the natural gas transmission pipeline in real time and uploads the monitored data to the remote server in real time, the remote server sends the received monitored data to the mobile client, a user can check related data in time after entering an application program of the mobile client, and if the concentration of the natural gas monitored by the leakage detection device exceeds the standard, the user can send an instruction for closing the air inlet switch to the remote control switch through the remote server or directly send an instruction for closing the air inlet switch to the remote control switch, therefore, the air inlet switch of the remote control switch is controlled to be closed, and accidents are avoided.
Furthermore, a data storage unit used for storing historical data received by the data transmission unit is further arranged in the remote server, the data storage unit can be used for storing some historical state data sent by the gas leakage detection device, and the historical state data can be used for expanding additional functions of the mobile client, such as viewing the historical data, analyzing the alarm rate and the like.
Furthermore, a data processing unit is further arranged in the remote server, a natural gas concentration threshold value is arranged in the data processing unit, and the data processing unit is used for judging whether the natural gas concentration uploaded by the gas leakage detection device and received by the data transmission unit is higher than the natural gas concentration threshold value or not and sending prompt information to the mobile client when the natural gas concentration is higher than the natural gas concentration threshold value;
and meanwhile, after the data processing unit sends prompt information to the mobile client, if the data information uploaded by the remote control switch and uploaded by the remote control switch that the air inlet switch is closed is not received for more than a minutes, the data processing unit sends an instruction for closing the air inlet switch to the air leakage detection device.
Further, after sending the prompt information to the mobile client, the data processing unit sends the warning information for prompting natural gas leakage to the mobile client every b minutes before receiving the data information uploaded by the remote control switch and indicating that the air inlet switch is closed, wherein a is greater than b, that is, the remote server sends the warning information to the mobile client regularly before receiving the data information uploaded by the remote control switch and indicating that the air inlet switch is closed, so as to remind a user of timely troubleshooting abnormality, and if the user does not respond to close the air inlet switch in time, the remote server automatically sends an instruction for closing the air inlet switch and controls the air inlet switch to be closed, so as to prevent more serious consequences.
Further, after the data processing unit of the remote server sends an instruction for closing the air inlet switch to the air leakage detection device through the data transmission unit, the data processing unit sends a prompt message that the air inlet switch is closed to the mobile client through the data transmission unit.
Further, still be equipped with alarm unit and natural gas concentration value in the gas leakage detection device and compare the unit, it has the highest natural gas concentration value to compare the unit in advance to compare the unit at the natural gas concentration value, natural gas concentration detection unit sends the natural gas concentration value that detects to the unit and compares the unit, the natural gas concentration value that the unit detected at natural gas concentration detection unit then sends the trigger signal who triggers its warning to alarm unit when being higher than the highest natural gas concentration value, it can be more direct when the gas leakage appear to set up alarm unit and in time look over the anomaly to remind the user at home, and preferably establish alarm unit as audible-visual annunciator, then when unusual such as gas leakage appear, audible-visual annunciator can send the chimes of doom and flash light simultaneously to more effectual warning user looks over the anomaly.
Furthermore, a data storage module and a data analysis module are also arranged in the gas leakage detection device, a natural gas concentration range which can be detected when a user cooks the natural gas and a natural gas concentration range which can be detected when the user does not use the natural gas are prestored in the data storage module, the data analysis module judges whether the user cooks the natural gas according to the information prestored in the data storage module and the natural gas concentration value detected by the natural gas concentration detection unit, the judgment result is uploaded to the remote server through the second communication unit and is sent to the mobile client by the remote server or is logged in the remote server by the mobile client for checking, the natural gas concentration range which can be detected when the user cooks the natural gas and the natural gas concentration range which can be detected when the user does not use the natural gas are prestored in the data storage module, the user can know the time period of the old people for cooking at home in time after checking the relevant data at the mobile client, see whether the old people cook in time, if not, the old people can take out the rice in a spot mode, meanwhile, if the old people find that the time period of cooking is a little long or the time period is abnormal, the old people probably forget to turn off the stove, and emergency treatment can be carried out according to the current situation.
Furthermore, a storage unit is arranged in the application program of the mobile client, a natural gas concentration range which can be detected by the gas leakage detection device when the natural gas pipe leaks gas is pre-stored in the storage unit, whether the natural gas pipe leaks gas or not can be detected by the gas leakage detection device, if the data range of the natural gas concentration is found in the natural gas pipe gas leakage range, the natural gas pipe can be replaced timely, and the problem that the gas pipe leaks gas or is aged is difficultly found by only depending on a nose is effectively solved.
Meanwhile, the invention also discloses an alarm method of the natural gas leakage alarm system, which comprises the following steps:
A. establishing communication connection between a remote server and a remote control switch, a gas leakage detection device and a mobile client, and establishing communication connection between the mobile client and the remote control switch;
B. when an air inlet switch of the remote control switch is in an open state, the air leakage detection device uploads the natural gas concentration detected by the natural gas concentration detection unit to the remote server in real time through the second communication unit;
C. the remote server judges whether the natural gas concentration uploaded by the gas leakage detection device and received by the data transmission unit is higher than a natural gas concentration threshold value or not through the data processing unit, and sends prompt information to the mobile client when the natural gas concentration is higher than the natural gas concentration threshold value;
D. after receiving the prompt message sent by the remote server, the mobile client sends out instruction information for controlling the closing of an air inlet switch of the remote control switch through the switch control unit, and the data receiving and sending unit sends the instruction information to the remote control switch;
E. after receiving instruction information sent by a mobile client and used for controlling the closing of an air inlet switch of the remote control switch, a first communication unit of the remote control switch transmits the instruction information to a control unit, the control unit controls the closing of the air inlet switch, and meanwhile, the control unit uploads data information of the closed air inlet switch to a remote server through the first communication unit;
F. and the remote server sends a state prompt message of the closed air inlet switch to the mobile client through the data transmission unit after receiving the data message of the closed air inlet switch uploaded by the remote control switch, wherein if the data processing unit does not receive the data message of the closed air inlet switch uploaded by the remote control switch for more than a minutes after sending the prompt message to the mobile client, the data processing unit sends an instruction of closing the air inlet switch to the air leakage detection device.
Furthermore, an alarm unit and a natural gas concentration value comparison unit are also arranged in the air leakage detection device, and the highest natural gas concentration value is prestored in the natural gas concentration value comparison unit;
and the step B also comprises an operation that the natural gas concentration detection unit sends the detected natural gas concentration value to the natural gas concentration value comparison unit, and the natural gas concentration value comparison unit sends a trigger signal for triggering the alarm unit to give out an alarm when the natural gas concentration value detected by the natural gas concentration detection unit is higher than the highest natural gas concentration value.
Compared with the prior art, the invention has the following beneficial effects:
by the natural gas leakage alarm system and the alarm method, natural gas leakage conditions in homes can be found in time and responses are made; checking whether the daily diet of the old is regular or not; monitoring whether the natural gas pipe is aged or leaks gas; whether the cooker is forgotten to be closed or not, and the like, so that the potential safety hazard of the solitary old people is effectively reduced, and the young people can work more comfortably.
Drawings
Fig. 1 is a schematic view of the working flow of the natural gas leakage alarm system of the present invention.
Detailed Description
The invention will be further elucidated and described with reference to the embodiments of the invention described hereinafter.
Example (b):
the first embodiment is as follows:
as shown in fig. 1, a natural gas leakage alarm system specifically includes a remote server, a remote control switch, a gas leakage detection device, and a mobile client, and an application program corresponding to the natural gas leakage alarm system is installed in the mobile client; the remote control switch is installed in the air inlet of natural gas transmission pipeline, and gas leakage detection device installs in the gas outlet of natural gas transmission pipeline, and remote server is connected with remote control switch, gas leakage detection device and mobile client communication respectively, and mobile client and remote control switch communication are connected.
The remote server is internally provided with a data transmission unit, the remote control switch is internally provided with a control unit, an air inlet switch and a first communication unit, the air leakage detection device is internally provided with a natural gas concentration detection unit and a second communication unit, and the application program of the mobile client is internally provided with a switch control unit and a data receiving and sending unit.
The working principle of the natural gas leakage alarm system is that the remote control switch uploads the state of the air inlet switch to the remote server, the remote server can also automatically check and acquire the state of the air inlet switch, when the state of the air inlet switch is changed, the remote control switch uploads the state of the air inlet switch to the remote server in real time, the leakage detection device can monitor the concentration of natural gas in the air at the air outlet of the natural gas transmission pipeline in real time and uploads the monitored data to the remote server in real time, the remote server sends the received monitored data to the mobile client, a user can check related data in time after entering an application program of the mobile client, and if the concentration of the natural gas monitored by the leakage detection device exceeds the standard, the user can send an instruction for closing the air inlet switch to the remote control switch through the remote server or directly send an instruction for closing the air inlet switch to the remote control switch, therefore, the air inlet switch of the remote control switch is controlled to be closed, and accidents are avoided.
Preferably, the remote server is also internally provided with a data storage unit for storing historical data received by the data transmission unit, and the data storage unit is arranged to store some historical state data sent by the gas leakage detection device, so that the mobile client can be used for expanding additional functions, such as viewing the historical data and analyzing the alarm rate.
Meanwhile, a data processing unit is also arranged in the remote server, a natural gas concentration threshold value is arranged in the data processing unit, and the data processing unit is used for judging whether the natural gas concentration uploaded by the gas leakage detection device and received by the data transmission unit is higher than the natural gas concentration threshold value or not and sending prompt information to the mobile client when the natural gas concentration is higher than the natural gas concentration threshold value;
and meanwhile, after the data processing unit sends prompt information to the mobile client, if the data information uploaded by the remote control switch and uploaded by the remote control switch that the air inlet switch is closed is not received for more than a minutes, the data processing unit sends an instruction for closing the air inlet switch to the air leakage detection device.
Specifically, after sending prompt information to the mobile client, the data processing unit sends the prompt information for prompting natural gas leakage to the mobile client every b minutes before receiving data information uploaded by the remote control switch and indicating that the air inlet switch is closed, wherein a is greater than b, that is, the remote server sends the prompt information to the mobile client regularly before receiving the data information uploaded by the remote control switch and indicating that the air inlet switch is closed, so as to remind a user of timely troubleshooting abnormality, and if the user does not respond to close the air inlet switch in time, the remote server automatically sends an instruction for closing the air inlet switch and controls the air inlet switch to be closed, so as to prevent more serious consequences.
After the data processing unit of the remote server sends an instruction for closing the air inlet switch to the air leakage detection device through the data transmission unit, the data processing unit sends prompt information that the air inlet switch is closed to the mobile client through the data transmission unit.
Preferably, an alarm unit and a natural gas concentration value comparison unit are further arranged in the gas leakage detection device, the highest natural gas concentration value is prestored in the natural gas concentration value comparison unit, the natural gas concentration detection unit sends the detected natural gas concentration value to the natural gas concentration value comparison unit, the natural gas concentration value comparison unit sends a trigger signal for triggering the alarm unit to give an alarm when the natural gas concentration value detected by the natural gas concentration detection unit is higher than the highest natural gas concentration value, and the alarm unit is arranged to more directly remind a user at home of checking the abnormity in time when gas leakage occurs.
Preferably, the alarm unit is set as an audible and visual alarm, and when the air leakage and other abnormalities occur, the audible and visual alarm can simultaneously give out alarm sound and twinkle light, so that the user can be effectively reminded of checking the abnormalities.
Specifically, a data storage module and a data analysis module are also arranged in the gas leakage detection device, a natural gas concentration range which can be detected when a user cooks by using natural gas and a natural gas concentration range which can be detected when the user does not use natural gas are prestored in the data storage module, the data analysis module judges whether the user cooks by using natural gas or not according to information prestored in the data storage module and the natural gas concentration value detected by the natural gas concentration detection unit, and uploads the judgment result to the remote server through the second communication unit and is sent to the mobile client by the remote server or is logged in the remote server by the mobile client for checking, the natural gas concentration range which can be detected when the user cooks by using natural gas and the natural gas concentration range which can be detected when the user does not use natural gas are prestored in the data storage module, the user can know the time period of the old people for cooking at home in time after checking the relevant data at the mobile client, see whether the old people cook in time, if not, the old people can take out the rice in a spot mode, meanwhile, if the old people find that the time period of cooking is a little long or the time period is abnormal, the old people probably forget to turn off the stove, and emergency treatment can be carried out according to the current situation.
Preferably, a storage unit is arranged in an application program of the mobile client, a natural gas concentration range which can be detected by the gas leakage detection device when the natural gas pipe leaks gas is pre-stored in the storage unit, whether the natural gas pipe leaks gas or not can be detected by the gas leakage detection device, if the data range of the natural gas concentration is found to be within the gas leakage range of the natural gas pipe, the natural gas pipe can be replaced timely, and the problem that the gas pipe leaks gas or is aged due to the fact that the natural gas pipe is difficult to find by means of a nose alone is effectively solved.
Example two
An alarm method based on the natural gas leakage alarm system in the embodiment 1 comprises the following steps:
A. establishing communication connection between a remote server and a remote control switch, a gas leakage detection device and a mobile client, and establishing communication connection between the mobile client and the remote control switch;
B. when an air inlet switch of the remote control switch is in an open state, the air leakage detection device uploads the natural gas concentration detected by the natural gas concentration detection unit to the remote server in real time through the second communication unit; meanwhile, the natural gas concentration detection unit sends the detected natural gas concentration value to the natural gas concentration value comparison unit, and the natural gas concentration value comparison unit sends a trigger signal for triggering the alarm unit to give an alarm when the natural gas concentration value detected by the natural gas concentration detection unit is higher than the highest natural gas concentration value
C. The remote server judges whether the natural gas concentration uploaded by the gas leakage detection device and received by the data transmission unit is higher than a natural gas concentration threshold value or not through the data processing unit, and sends prompt information to the mobile client when the natural gas concentration is higher than the natural gas concentration threshold value;
D. after receiving the prompt message sent by the remote server, the mobile client sends out instruction information for controlling the closing of an air inlet switch of the remote control switch through the switch control unit, and the data receiving and sending unit sends the instruction information to the remote control switch;
E. after receiving instruction information sent by a mobile client and used for controlling the closing of an air inlet switch of the remote control switch, a first communication unit of the remote control switch transmits the instruction information to a control unit, the control unit controls the closing of the air inlet switch, and meanwhile, the control unit uploads data information of the closed air inlet switch to a remote server through the first communication unit;
F. and the remote server sends a state prompt message of the closed air inlet switch to the mobile client through the data transmission unit after receiving the data message of the closed air inlet switch uploaded by the remote control switch, wherein if the data processing unit does not receive the data message of the closed air inlet switch uploaded by the remote control switch for more than a minutes after sending the prompt message to the mobile client, the data processing unit sends an instruction of closing the air inlet switch to the air leakage detection device.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (8)
1. A natural gas leakage alarm system is characterized by specifically comprising a remote server, a remote control switch, a gas leakage detection device and a mobile client, wherein an application program corresponding to the natural gas leakage alarm system is installed in the mobile client;
the remote control switch is installed at the air inlet of the natural gas transmission pipeline, the air leakage detection device is installed at the air outlet of the natural gas transmission pipeline, the remote server is respectively in communication connection with the remote control switch, the air leakage detection device and the mobile client, and the mobile client is in communication connection with the remote control switch;
a data transmission unit is arranged in the remote server, a control unit, an air inlet switch and a first communication unit are arranged in the remote control switch, a natural gas concentration detection unit and a second communication unit are arranged in the air leakage detection device, and a switch control unit and a data transceiving unit are arranged in an application program of the mobile client;
the remote server is also internally provided with a data processing unit, a natural gas concentration threshold value is arranged in the data processing unit, and the data processing unit is used for judging whether the natural gas concentration uploaded by the gas leakage detection device and received by the data transmission unit is higher than the natural gas concentration threshold value or not and sending prompt information to the mobile client when the natural gas concentration is higher than the natural gas concentration threshold value;
meanwhile, after the data processing unit sends prompt information to the mobile client, if the data information uploaded by the remote control switch and uploaded by the remote control switch that the air inlet switch is closed is not received for more than a minutes, the data processing unit sends an instruction for closing the air inlet switch to the air leakage detection device;
the gas leakage detection device is characterized in that a data storage module and a data analysis module are further arranged in the gas leakage detection device, a natural gas concentration range which can be detected when a user cooks the natural gas and a natural gas concentration range which can be detected when the user does not use the natural gas are prestored in the data storage module, the data analysis module judges whether the current user cooks the natural gas according to information prestored in the data storage module and the natural gas concentration value detected by the natural gas concentration detection unit, the judgment result is uploaded to the remote server through the second communication unit, and the remote server sends the judgment result to the mobile client or logs in the remote server for checking through the mobile client.
2. The natural gas leakage alarm system according to claim 1, wherein a data storage unit for storing historical data received by the data transmission unit is further arranged in the remote server.
3. The natural gas leakage alarm system according to claim 1, wherein the data processing unit sends warning information indicating natural gas leakage to the mobile client every b minutes after sending the warning information to the mobile client and before receiving no data information that the air inlet switch uploaded by the remote control switch is turned off, wherein a > b.
4. The natural gas leakage alarm system according to claim 1, wherein after the data processing unit of the remote server sends an instruction to close the air inlet switch to the gas leakage detection device through the data transmission unit, the data processing unit sends a message to the mobile client that the air inlet switch is closed through the data transmission unit.
5. The natural gas leakage alarm system according to claim 1, wherein an alarm unit and a natural gas concentration value comparison unit are further arranged in the gas leakage detection device, a highest natural gas concentration value is prestored in the natural gas concentration value comparison unit, the natural gas concentration detection unit sends the detected natural gas concentration value to the natural gas concentration value comparison unit, and the natural gas concentration value comparison unit sends a trigger signal for triggering the alarm unit to give an alarm when the natural gas concentration value detected by the natural gas concentration detection unit is higher than the highest natural gas concentration value.
6. The natural gas leakage alarm system according to claim 1, wherein a storage unit is provided in the application program of the mobile client, and a natural gas concentration range detectable by the gas leakage detection device when a natural gas pipe leaks is prestored in the storage unit.
7. The alarm method of the natural gas leakage alarm system according to claim 1, characterized by comprising the following steps:
A. establishing communication connection between a remote server and a remote control switch, a gas leakage detection device and a mobile client, and establishing communication connection between the mobile client and the remote control switch;
B. when an air inlet switch of the remote control switch is in an open state, the air leakage detection device uploads the natural gas concentration detected by the natural gas concentration detection unit to the remote server in real time through the second communication unit;
C. the remote server judges whether the natural gas concentration uploaded by the gas leakage detection device and received by the data transmission unit is higher than a natural gas concentration threshold value or not through the data processing unit, and sends prompt information to the mobile client when the natural gas concentration is higher than the natural gas concentration threshold value;
D. after receiving the prompt message sent by the remote server, the mobile client sends out instruction information for controlling the closing of an air inlet switch of the remote control switch through the switch control unit, and the data receiving and sending unit sends the instruction information to the remote control switch;
E. after receiving instruction information sent by a mobile client and used for controlling the closing of an air inlet switch of the remote control switch, a first communication unit of the remote control switch transmits the instruction information to a control unit, the control unit controls the closing of the air inlet switch, and meanwhile, the control unit uploads data information of the closed air inlet switch to a remote server through the first communication unit;
F. and the remote server sends a state prompt message of the closed air inlet switch to the mobile client through the data transmission unit after receiving the data message of the closed air inlet switch uploaded by the remote control switch, wherein if the data processing unit does not receive the data message of the closed air inlet switch uploaded by the remote control switch for more than a minutes after sending the prompt message to the mobile client, the data processing unit sends an instruction of closing the air inlet switch to the air leakage detection device.
8. The alarm method of the natural gas leakage alarm system according to claim 7, wherein an alarm unit and a natural gas concentration value comparison unit are further arranged in the gas leakage detection device, and the highest natural gas concentration value is prestored in the natural gas concentration value comparison unit;
and the step B also comprises an operation that the natural gas concentration detection unit sends the detected natural gas concentration value to the natural gas concentration value comparison unit, and the natural gas concentration value comparison unit sends a trigger signal for triggering the alarm unit to give out an alarm when the natural gas concentration value detected by the natural gas concentration detection unit is higher than the highest natural gas concentration value.
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| CN201810738599.7A CN108922126B (en) | 2018-07-06 | 2018-07-06 | Natural gas leakage alarm system and alarm method |
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| CN201810738599.7A CN108922126B (en) | 2018-07-06 | 2018-07-06 | Natural gas leakage alarm system and alarm method |
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| CN110085002A (en) * | 2019-04-20 | 2019-08-02 | 马继华 | Gas pipeline detection system |
| CN110555977A (en) * | 2019-08-13 | 2019-12-10 | 中国联合网络通信集团有限公司 | Gas monitoring method and device, Internet of things platform and gas terminal |
| CN112856241B (en) * | 2021-01-14 | 2023-08-01 | 湖北文理学院 | Household natural gas leakage automatic detection protection system and method |
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