CN111024173A - Gas meter with automatic valve closing function and pairing method thereof - Google Patents
Gas meter with automatic valve closing function and pairing method thereof Download PDFInfo
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- CN111024173A CN111024173A CN201911147232.9A CN201911147232A CN111024173A CN 111024173 A CN111024173 A CN 111024173A CN 201911147232 A CN201911147232 A CN 201911147232A CN 111024173 A CN111024173 A CN 111024173A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/06—Indicating or recording devices
- G01F15/061—Indicating or recording devices for remote indication
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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
- G08B21/18—Status alarms
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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
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
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Abstract
The application discloses a gas meter with an automatic valve closing function and a pairing method thereof, wherein the gas meter is in wireless communication with a first terminal, a second terminal and an alarm for detecting whether a target area where gas equipment is located is abnormal or not, and comprises a wireless module and a gas meter host; the gas meter host is used for generating meter reading data according to the gas consumption of the gas equipment; the wireless module is used for sending the first information or the second information to the first terminal after receiving the first information or the second information sent by the alarm, and sending the meter reading data to the second terminal through the alarm after the meter reading data is generated by the gas meter host; the gas meter host is also used for closing a gas valve of the gas equipment after the wireless module receives the second information. This application can carry out remote monitoring to gas equipment, self-closing gas valve when the potential safety hazard appears in the gas use to inform first terminal, and can be automatically with the gas data of checking meter of gathering upload to the alarm, compromise security and convenience.
Description
Technical Field
The application relates to the technical field of intelligent monitoring, in particular to a gas meter with an automatic valve closing function and a pairing method thereof.
Background
With the progress of society, people have higher and higher safety requirements on gas use. In order to solve the problem of gas safe in utilization, among the prior art, detect the gas and use the potential safety hazard that appears through the alarm, if reveal, send alarm information when appearing naked light to close the gas valve of installing at the gas pipe, and then prevent the emergence of accident to a certain extent.
However, when a potential safety hazard occurs in some places where gas exists, the places are not necessarily kept by people, so that even if alarm information exists, a user may not know specific conditions in a short time, effective fire prevention measures cannot be taken timely, and a great potential safety hazard still exists. In addition, in the prior art, the gas meter is checked by the staff on site to record the gas use condition of the user, which wastes human resources, so how to combine the safety and the convenience is a problem to be faced at present.
Disclosure of Invention
The technical problem to be solved in the embodiment of the application is to provide a gas meter with an automatic valve closing function and a pairing method thereof, which can automatically close a gas valve when a potential safety hazard occurs during gas use, and inform a first terminal in real time, so that the potential safety hazard is reduced, and meanwhile, the waste of human resources is reduced.
In order to solve the above problems, an embodiment of the present application provides a gas meter with an automatic valve closing function, which is in wireless communication with a first terminal, a second terminal and an alarm for detecting whether a target area where a gas device is located is abnormal, and includes a wireless module and a gas meter host;
the wireless module is connected with the gas meter host, and the wireless module is used for being wirelessly connected with the alarm, the first terminal and the second terminal;
the gas meter host is used for generating meter reading data according to the gas consumption of the gas equipment;
the wireless module is used for sending the first information or the second information to the first terminal after receiving the first information or the second information sent by the alarm, and sending the meter reading data to the alarm after the gas meter host generates the meter reading data so that the alarm sends the meter reading data to the second terminal; the first information is generated by the alarm according to the use condition of the gas equipment, and the second information is generated by the alarm according to the detection condition of the target area where the gas equipment is located;
the gas meter host is further used for closing a gas valve of the gas equipment after the wireless module receives the second information.
Further, the first information comprises current state information and current measurement information of the gas equipment; the second information is alarm information generated when the alarm detects that the target area is abnormal;
the gas meter host comprises a display screen, and the wireless module comprises a first wireless unit and a second wireless unit;
the first wireless unit is used for sending the received current state information and the received current measurement information to the display screen to display the current state information and the current measurement information, or sending the received alarm information to the display screen to display the alarm information;
the second wireless unit is used for sending the current state information and the current measurement information received by the first wireless unit to the first terminal, or sending the alarm information received by the first wireless unit to the first terminal.
Further, the second wireless unit is further configured to send third information to the first terminal; and the third information is generated when the gas meter host closes the gas valve of the gas equipment according to the second information.
Further, the first wireless unit is also used for sending the meter reading data to the alarm at regular time.
Further, the wireless module receives the first information at regular time, or receives the first information through the wireless module when the alarm receives a sending instruction of the first terminal.
Further, the gas meter host at least comprises a gas collecting unit, a main control board and an executing mechanism;
the actuating mechanism and the gas collecting unit are connected with the gas valve and the main control board;
the main control board is connected with the wireless module;
and the executing mechanism closes the gas valve after receiving a closing instruction sent by the main control board according to the second information.
Further, a method for pairing a gas meter with an automatic valve closing function according to the above embodiment is also provided, including:
the wireless module broadcasts a pairing signal stored with identity information of the gas meter host computer to the outside, so that when the alarm enters a pairing state, the pairing signal is received, and the identity information of the gas meter host computer is stored according to the pairing signal.
Further, a method for pairing a gas meter with an automatic valve closing function according to the above embodiment is also provided, including:
the wireless module detects whether a pairing signal sent by the alarm is received or not, and stores the identity information of the alarm when the pairing signal is received.
Further, a method for pairing a gas meter with an automatic valve closing function according to the above embodiment is also provided, including:
the wireless module detects whether a first pairing signal sent by an alarm is received or not, and stores identity information of the alarm when the first pairing signal is received;
the wireless module broadcasts a second pairing signal stored with identity information of the gas meter host to the outside, so that when the alarm enters a pairing state, the pairing signal is received, and the identity information of the gas meter host is stored according to the pairing signal.
Further, a method for pairing a gas meter with an automatic valve closing function according to the above embodiment is also provided, including:
the method comprises the steps that a wireless module broadcasts a first pairing signal which stores identity information of a gas meter host computer to the outside, so that when an alarm enters a pairing state, the first pairing signal is received, the identity information of the gas meter host computer is stored according to the first pairing signal, and then a second pairing signal which stores the identity information of the alarm is sent to the wireless module;
and after receiving the second pairing signal, the wireless module stores the identity information of the alarm.
The embodiment of the application has the following beneficial effects:
compared with the prior art, this embodiment can carry out remote monitoring to gas equipment, self-closing gas valve when the potential safety hazard appears in the gas use to in real time inform first terminal, when reducing the potential safety hazard, can be automatically with the gas data of checking meter of gathering upload to the second terminal, need not the manual work and look over on the spot, reduce manpower resources's waste, compromise security and convenience.
Drawings
Fig. 1 is a schematic structural diagram of a gas meter with an automatic valve closing function according to a first embodiment of the present application;
fig. 2 is a schematic circuit structure diagram of a gas meter host;
fig. 3 is a schematic structural diagram of a gas meter with an automatic valve closing function according to a second embodiment of the present application;
fig. 4 is a schematic flowchart of a pairing method for a gas meter with an automatic valve closing function according to a third embodiment of the present application;
fig. 5 is a schematic flowchart of a pairing method for gas meters with an automatic valve closing function according to a fourth embodiment of the present application;
fig. 6 is a schematic flowchart of a pairing method for gas meters with an automatic valve closing function according to a fifth embodiment of the present application;
fig. 7 is a schematic flowchart of a pairing method for a gas meter with an automatic valve closing function according to a sixth embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1, a schematic diagram of a gas meter with an automatic valve closing function according to an embodiment of the present application is shown, where the gas meter with the automatic valve closing function wirelessly communicates with a first terminal, a second terminal, and an alarm for detecting whether an abnormality occurs in a target area where a gas device is located, and includes a wireless module 1 and a gas meter host 2.
The wireless module 1 is connected with the gas meter host 2, and the wireless module 1 is used for being in wireless connection with the alarm, the first terminal and the second terminal.
The gas meter host 2 is used for generating meter reading data according to the gas consumption of the gas equipment.
The wireless module 1 is used for sending the first information or the second information to the first terminal after receiving the first information or the second information sent by the alarm, and sending the meter reading data to the alarm after the gas meter host 2 generates the meter reading data, so that the alarm sends the meter reading data to the second terminal. The first information is generated by the alarm according to the use condition of the gas equipment, and the second information is generated by the alarm according to the detection condition of the target area where the gas equipment is located.
The gas meter host 2 is further configured to close a gas valve of the gas device after the wireless module 1 receives the second information.
In this embodiment, the first terminal is a user terminal, such as a mobile phone, a computer, or a tablet computer of a user, and the second terminal is a third-party intelligent terminal, such as an intelligent terminal of a gas company and/or an intelligent terminal of a property company.
In this embodiment, if the wireless module 1 receives the first information sent by the alarm, that is, it indicates that no fault or potential safety hazard of the gas equipment occurs, at this time, the wireless module 1 directly sends the first information to the first terminal to prompt that the gas equipment is normally used, or sends the first information to a cloud server connected to the first terminal, and then sends the first information to the first terminal through the cloud server to prompt that the gas equipment is normally used. The first information is sent in an active mode and a passive mode. The active mode is that the wireless module 1 sends the first information to the first terminal in a timing mode after receiving the first information, for example, the first information is sent every 1 minute. It should be noted that the time interval can be set according to the user's requirement, and is not limited in this embodiment. The passive mode is that when the wireless module 2 receives an external control instruction, for example, the first terminal or a control instruction sent by a user through other modes acquires first information from the alarm once, and sends the first information to the first terminal.
In this embodiment, if the wireless module 1 receives the second information sent by the alarm, that is, a fault or a potential safety hazard of the gas appliance occurs, the second information is directly sent to the first terminal to prompt that the gas appliance is abnormal in use, or the second information is sent to a cloud server connected to the first terminal, and then the second information is sent to the first terminal through the cloud server to prompt that the gas appliance is abnormal in use, and meanwhile, the gas meter host 2 closes a gas valve of the gas appliance according to the second information. The sending of the second information is an active manner, that is, when the wireless module 1 receives the second information, the second information is directly sent to the first terminal.
In this embodiment, a circuit structure of the gas meter host is shown in fig. 2, and includes a gas collection unit 21, a main control board 22, and an execution mechanism 23.
The actuating mechanism 23 and the gas collecting unit 21 are connected with the gas valve and the main control board 22. The main control board 22 is connected to the wireless module 1. And the executing mechanism 23 closes the gas valve after receiving a closing instruction sent by the main control board 22 according to the second information.
Adopt the embodiment, can carry out remote monitoring to gas equipment, self-closing gas valve when the potential safety hazard appears in the gas use to in real time inform first terminal, when reducing the potential safety hazard, can be automatically with the gas data of checking meter of gathering upload to the second terminal, need not the manual work and look over on the spot, reduce manpower resources's waste, compromise security and convenience.
Further, refer to fig. 3, which is a schematic structural diagram of a gas meter with an automatic valve closing function according to the second embodiment of the present application.
In this embodiment, the first information includes current state information and current measurement information of the gas appliance, and the second information is alarm information generated by the alarm when detecting that the target area is abnormal.
And if the alarm detects that any one of the concentration, the smoke, the temperature and the like of the combustible gas in the current target area exceeds a threshold value, judging that the target area is abnormal.
In this embodiment, the first information further includes current state information of the alarm, such as that the alarm is in a normal working state, the alarm is in an alarm state, the alarm is in a fault state, and the service time of the alarm is equal to or longer than the service time of the alarm.
The gas meter host 2 comprises a display screen 11, and the wireless module 1 comprises a first wireless unit 31 and a second wireless unit 32.
The first wireless unit 31 is configured to send the received current status information and current measurement information to the display screen 11, and display the current status information and the current measurement information, or send the received alarm information to the display screen 11 and display the alarm information. The second wireless unit 32 is configured to send the current state information and the current measurement information received by the first wireless unit 11 to the first terminal, or send the alarm information received by the first wireless unit 11 to the first terminal.
Since there is a case where the user does not use the first terminal, in this case, if the user needs to check the current use condition of the gas appliance, it cannot be realized. Therefore, in this embodiment, the first wireless unit 11 sends the current state information and the current measurement information, or the alarm information, to the gas meter with the automatic valve closing function, so that the gas meter with the automatic valve closing function displays the received information through the display screen 11, thereby facilitating a user to obtain the current use condition of the gas device.
In this embodiment, the first wireless unit 31 is further configured to send the received current status information of the alarm to the display screen 11, and display the current status information of the alarm. The second wireless unit 32 is further configured to send the current state information of the alarm received by the first wireless unit 31 to the intelligent terminal.
In this embodiment, the first wireless unit 31 is connected to the gas meter host 21 and the alarm, and may be a communication unit such as WiFi, bluetooth, Zigbee, Zwave, NFC, RFID, or RF, so that the gas meter with the automatic valve closing function and the alarm form a wireless local area network. The second wireless unit 32 has two connection modes, the first is connected to the first wireless unit 31, the gas meter host 2 and the first terminal, and the second is connected to the first wireless unit 31, the gas meter host 2 and the cloud server connected to the first terminal, which may be communication units such as Lora, NBIOT, GPRS, 4G, 5G, 6G, WIFI, bluetooth, Zigbee, Zwave, NFC, RFID or RF. Through the two modes, the wireless communication between the gas meter with the automatic valve closing function and the first terminal is realized.
In this way, the first wireless unit 31 is used for wireless communication with the alarm device, and the second wireless unit 32 is used for wireless communication with the first terminal.
In this embodiment, the current state information includes the operation parameters of the current gas-fired device, such as the duration of use, the selected temperature value, and the like, and the current measurement information includes the measured smoke concentration, open fire condition, carbon dioxide concentration, formaldehyde concentration, TVOC concentration, combustible gas concentration, and the like of the target area where the current gas-fired device is located.
In this embodiment, the second wireless unit 32 is further configured to transmit third information to the first terminal. The third information is generated when the gas meter host 2 closes the gas valve of the gas equipment according to the second information.
When the gas meter main unit 2 closes the gas valve of the gas appliance, information for completing the valve closing is fed back to the second wireless unit 32. When receiving the valve closing information, the second wireless unit 32 sends third information to the first terminal to prompt the user that the gas meter host 2 has closed the gas valve.
In this embodiment, the first wireless unit 31 is further configured to send the meter reading data to the second terminal at regular time.
The transmission of the meter reading data has two modes, namely an active mode and a passive mode, wherein the active mode is that the first wireless unit 31 transmits the meter reading data to the alarm in a timing mode after receiving the meter reading data, for example, the meter reading data is transmitted once every month, so that the alarm transmits the meter reading data to the second terminal. It should be noted that the time interval can be set according to the user's requirement, and is not limited in this embodiment. The passive mode is that when the first wireless unit 31 receives an external control instruction, for example, the control instruction sent by the alarm, or the control instruction sent by the first terminal to the first wireless unit 31 through the second wireless unit 32, sends meter reading data to the alarm.
Because the power supply mode of the gas meter is generally battery power supply, if the meter reading data is directly sent to the second terminal through the second unit of remote communication, the energy consumption of the battery is high, and the gas meter needs to be frequently replaced.
Further, referring to fig. 4, a schematic flow chart of a method for pairing a gas meter with an automatic valve closing function provided in the third embodiment of the present application is shown, where the gas meter with the automatic valve closing function is the gas meter with the automatic valve closing function described in the first embodiment or the second embodiment. The method comprises the following steps:
and step S1, the wireless module broadcasts a pairing signal storing the identity information of the gas meter host to the outside so that the alarm receives the pairing signal when entering a pairing state, and stores the identity information of the gas meter host according to the pairing signal.
In this embodiment, each gas meter host and the alarm of each gas meter with the automatic valve closing function have a unique ID code, and when the gas meters with the automatic valve closing function need to be paired, a pairing signal with the ID code is broadcast to the outside through the wireless module, so that any alarm can receive the pairing signal when entering a pairing state, and further record the ID code of the gas meter with the automatic valve closing function according to the pairing signal, thereby realizing pairing. The wireless module can broadcast continuously or at regular time, and one or more gas meters with automatic valve closing function paired with the alarm can be provided.
Further, referring to fig. 5, a schematic flow chart of a method for pairing a gas meter with an automatic valve closing function according to a fourth embodiment of the present application is shown, where the gas meter with the automatic valve closing function is the gas meter with the automatic valve closing function according to the first embodiment or the second embodiment. The method comprises the following steps:
and step S11, the wireless module detects whether a pairing signal sent by the alarm is received or not, and stores the identity information of the alarm when the pairing signal is received.
In this embodiment, each of the gas meter host of the gas meter with the automatic valve closing function and the gas meter with the automatic valve closing function has a unique ID code. When a pairing button arranged on the gas meter with the automatic valve closing function is pressed or the gas meter with the automatic valve closing function is charged, the gas meter with the automatic valve closing function enters a pairing state. At the moment, the wireless module can detect whether an alarm sends a pairing signal containing the ID code of the alarm; if yes, the pairing signal is received, and the ID code of the corresponding alarm is stored. Further, referring to fig. 6, a schematic flow chart of a pairing method of a gas meter with an automatic valve closing function provided in the fifth embodiment of the present application is shown, where the gas meter with the automatic valve closing function is the gas meter with the automatic valve closing function described in the first embodiment or the second embodiment. The method comprises the following steps:
step S21, the wireless module detects whether a first pairing signal sent by the alarm is received, and stores the identity information of the alarm when the first pairing signal is received.
And step S22, the wireless module broadcasts a second pairing signal storing the identity information of the gas meter host computer to the outside, so that the alarm receives the pairing signal when entering a pairing state, and stores the identity information of the gas meter host computer according to the pairing signal.
After the gas meter with the automatic valve closing function records the ID code of the alarm, the wireless module broadcasts a pairing signal with the ID code of the gas meter with the automatic valve closing function to the outside, so that the alarm corresponding to the ID code receives the pairing signal when entering a pairing state, and further records the ID code of the gas meter with the automatic valve closing function according to the pairing signal. If the gas meter and the alarm with the automatic valve closing function both store the ID codes of the opposite sides, the gas meter and the alarm are paired.
Further, referring to fig. 7, a schematic flow chart of a pairing method of a gas meter with an automatic valve closing function provided in a sixth embodiment of the present application is shown, where the gas meter with the automatic valve closing function is the gas meter with the automatic valve closing function described in the first embodiment or the second embodiment. The method comprises the following steps:
and step 31, broadcasting a first pairing signal storing the identity information of the gas meter host to the outside by the wireless module so as to receive the first pairing signal when the alarm enters a pairing state, storing the identity information of the gas meter host according to the first pairing signal, and then sending a second pairing signal storing the identity information of the alarm to the wireless module.
And step S32, the wireless module stores the identity information of the alarm after receiving the second pairing signal.
In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally found in use of products of the application, and are used only for convenience in describing the present application and for simplification of description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application.
Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art. The foregoing is a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present application, and these modifications and decorations are also regarded as the protection scope of the present application.
Claims (10)
1. A gas meter with an automatic valve closing function is characterized by being in wireless communication with a first terminal, a second terminal and an alarm for detecting whether a target area where gas equipment is located is abnormal or not, and comprising a wireless module and a gas meter host;
the wireless module is connected with the gas meter host, and the wireless module is used for being wirelessly connected with the alarm, the first terminal and the second terminal;
the gas meter host is used for generating meter reading data according to the gas consumption of the gas equipment;
the wireless module is used for sending the first information or the second information to the first terminal after receiving the first information or the second information sent by the alarm, and sending the meter reading data to the alarm after the gas meter host generates the meter reading data so that the alarm sends the meter reading data to the second terminal; the first information is generated by the alarm according to the use condition of the gas equipment, and the second information is generated by the alarm according to the detection condition of the target area where the gas equipment is located;
the gas meter host is further used for closing a gas valve of the gas equipment after the wireless module receives the second information.
2. The gas meter with the automatic valve closing function according to claim 1, wherein the first information includes current state information and current measurement information of the gas appliance; the second information is alarm information generated when the alarm detects that the target area is abnormal;
the gas meter host comprises a display screen, and the wireless module comprises a first wireless unit and a second wireless unit;
the first wireless unit is used for sending the received current state information and the received current measurement information to the display screen to display the current state information and the current measurement information, or sending the received alarm information to the display screen to display the alarm information;
the second wireless unit is used for sending the current state information and the current measurement information received by the first wireless unit to the first terminal, or sending the alarm information received by the first wireless unit to the first terminal.
3. The gas meter with the automatic valve closing function according to claim 2, wherein the second wireless unit is further configured to send third information to the first terminal; and the third information is generated when the gas meter host closes the gas valve of the gas equipment according to the second information.
4. The gas meter with the automatic valve closing function according to claim 2, wherein the first wireless unit is further configured to send the meter reading data to the alarm at regular time.
5. The gas meter with the automatic valve closing function according to claim 1, wherein the wireless module receives the first information at regular time, or receives the first information through the wireless module when the alarm receives a transmission instruction of the first terminal.
6. The gas meter with the automatic valve closing function according to claim 1, wherein the gas meter host comprises at least a gas collecting unit, a main control board and an executing mechanism;
the actuating mechanism and the gas collecting unit are connected with the gas valve and the main control board;
the main control board is connected with the wireless module;
and the executing mechanism closes the gas valve after receiving a closing instruction sent by the main control board according to the second information.
7. The method for pairing the gas meters with the automatic valve closing function according to any one of claims 1 to 6, comprising:
the wireless module broadcasts a pairing signal stored with identity information of the gas meter host computer to the outside, so that when the alarm enters a pairing state, the pairing signal is received, and the identity information of the gas meter host computer is stored according to the pairing signal.
8. The method for pairing the gas meters with the automatic valve closing function according to any one of claims 1 to 6, comprising:
the wireless module detects whether a pairing signal sent by the alarm is received or not, and stores the identity information of the alarm when the pairing signal is received.
9. The method for pairing the gas meters with the automatic valve closing function according to any one of claims 1 to 6, comprising:
the wireless module detects whether a first pairing signal sent by an alarm is received or not, and stores identity information of the alarm when the first pairing signal is received;
the wireless module broadcasts a second pairing signal stored with identity information of the gas meter host to the outside, so that when the alarm enters a pairing state, the pairing signal is received, and the identity information of the gas meter host is stored according to the pairing signal.
10. The method for pairing the gas meters with the automatic valve closing function according to any one of claims 1 to 6, comprising:
the method comprises the steps that a wireless module broadcasts a first pairing signal which stores identity information of a gas meter host computer to the outside, so that when an alarm enters a pairing state, the first pairing signal is received, the identity information of the gas meter host computer is stored according to the first pairing signal, and then a second pairing signal which stores the identity information of the alarm is sent to the wireless module;
and after receiving the second pairing signal, the wireless module stores the identity information of the alarm.
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| CN201911147232.9A CN111024173A (en) | 2019-11-20 | 2019-11-20 | Gas meter with automatic valve closing function and pairing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112071036A (en) * | 2020-11-14 | 2020-12-11 | 山东思达特测控设备有限公司 | Split type gas alarm device based on NB-IOT and pairing method |
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| CN103065438A (en) * | 2012-11-30 | 2013-04-24 | 上海万康无线智能控制系统有限公司 | Gas alarm system with wireless communication function |
| CN104252769A (en) * | 2013-06-26 | 2014-12-31 | 大庆英辰创新科技有限公司 | Gas-alarm-function-contained information exchange terminal and system |
| CN204463299U (en) * | 2014-09-15 | 2015-07-08 | 焦作深蓝电气设备有限公司 | Gas leakage is from cutting type IC-card gas meter, flow meter |
| CN105469570A (en) * | 2015-12-01 | 2016-04-06 | 四川泰鹏测控仪表科技有限公司 | Intelligent gas meter and meter reading monitoring system based on Internet of Things |
| CN210567569U (en) * | 2019-06-11 | 2020-05-19 | 河北华通燃气设备有限公司 | Intelligent gas meter and gas leakage alarm combined control system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112071036A (en) * | 2020-11-14 | 2020-12-11 | 山东思达特测控设备有限公司 | Split type gas alarm device based on NB-IOT and pairing method |
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