CN103065449B - Gas meter, flow meter remote meter reading method and system - Google Patents
Gas meter, flow meter remote meter reading method and system Download PDFInfo
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- 229910052802 copper Inorganic materials 0.000 description 7
- 239000010949 copper Substances 0.000 description 7
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- 230000000541 pulsatile effect Effects 0.000 description 4
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
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- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
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Abstract
The invention provides that one does not depend on internet, security is higher, and do not need too much IP address, do not need too much mobile communication account resource, lower-cost Gas Meter Reading System, meter register method.After adopting the present invention, do not depend on internet, therefore network hacker not easily invades, security is higher, and do not need too much IP address, more intelligent gas meter can be connected under a mobile communication account, therefore take mobile communication account resource less, and do not need each intelligent gas meter to be installed mobile communication module (as gsm module), cost is lower.<!-- 2 -->
Description
Technical field:
The present invention relates to the communications field, is specifically a kind of gas meter, flow meter remote meter reading method, system and intelligent gas meter.
Background technology:
Remote meter reading mode at present for gas meter, flow meter generally has following 3 kinds:
1, RS485 bus meter reading method, be illustrated in figure 4 a kind of bus ammeter, water meter and gas meter, flow meter three show kilowatt meter reading-out system, its gas meter, flow meter kilowatt meter reading-out system forms a gas meter, flow meter by intelligent gas meter+data collection station+computer administration center+internet and to check meter network, the current comparative maturity of this technology, complete execution system is had in maintenance and easy construction, but its shortcoming also clearly, it adopts the form of wired network to carry out transmission data, wiring is comparatively complicated, cost is higher, construction is complicated, quantities is large, and be also difficult to application in the place being difficult to connect up, and each communication link needs IP address, and easily suffer hacker's invasion and attack to distort user data owing to being connected with internet, security is poor.
2, if Fig. 5 is the ammeter that a kind of WLAN (wireless local area network) adds internet composition, the remote meter reading network of water meter and gas meter, flow meter, carry out radio communication with point-to-point form in such networks between gas meter, flow meter and home gateway, belong to typical WLAN (wireless local area network), home gateway is connected with internet by network interface card, such gas company is just checked meter to gas meter, flow meter by internet, its defect is: each user must join internet, or by arranging cell server, each user is connected with cell server, the upper internet of cell server connection, so there is handling cost and the higher problem of equipment cost equally, and each communication link needs IP address, to be connected with internet equally, hacker's invasion and attack are easily suffered to distort user data, security is poor.
3, if Fig. 6 is that a kind of mobile communication module that adopts carries out ammeter, the meter register method of water meter and gas meter, flow meter, it adopts gsm module to be directly contained in gas meter, flow meter, by mobile public network directly and gas company carry out the meter register method of data transmission, this method needs to install gsm module in each gas meter, flow meter, namely each gas meter, flow meter needs an independent account, this not only needs a large amount of gsm modules, more need a large amount of mobile communication accounts, cost is higher, and take mobile communication account resource, account resource can become the bottleneck of Mobile Communication Development naturally, feasibility is too low.
4, also have one to be adopt minisize pick-up head to aim at gas meter counter, then by vision cable, video signal is transferred to gas company and realizes remote concentrated ammeter reading.The equipment that this method needs is more, and cost is too expensive, more inadvisable.、
In sum, according to the requirement of current Internet of Things, it is present that urgent need one does not depend on internet, security is higher, and do not need too much IP address, do not need too much mobile communication account resource, lower-cost Gas Meter Reading System, meter register method and be applied to the intelligent gas meter of this kilowatt meter reading-out system.
Summary of the invention:
The technical matters that the present invention will solve is, there is provided that one does not depend on internet, security is high, and do not need too much IP address, do not need too much mobile communication account resource, lower-cost gas meter, flow meter remote meter reading method, system and intelligent gas meter.
According to an aspect of the present invention, the invention provides a kind of gas meter, flow meter remote meter reading method, it comprises the following steps:
Step (1), server sends to the intensive transceiver of signal order of checking meter by signal transceiver and wireless public network, and order of checking meter comprises address and the gas meter, flow meter data item information of the intelligent gas meter under the intensive transceiver of each signal;
Step (2), according to the address of intelligent gas meter and gas meter, flow meter data item information after the intensive transceivers of signal to order of checking meter, gathered the gas meter, flow meter data corresponding with gas meter, flow meter data item in this intelligent gas meter by wired data transfer mode;
Step (3), if gather successfully, then the gas meter, flow meter data collected are sent to signal transceiver by wireless public network by the intensive transceiver of signal, if gather unsuccessful, then failure message is then sent to signal transceiver by wireless public network by the intensive transceiver of signal;
Step (4), gas meter, flow meter data or failure message are passed to server by signal transceiver.
Described signal transceiver and the intensive transceiver of multiple signal carry out Wireless Data Transmission, the intensive transceiver of described signal and multiple intelligent gas meter carry out wired data transfer, and the address of each intelligent gas meter under the address of the intensive transceiver of described each signal and wireless signal transceiver all stores in the server.
Have the following advantages after adopting the present invention:
Adopt this gas meter, flow meter remote meter reading method, wired connection is adopted to carry out data transmission between intelligent gas meter and the intensive transceiver of signal, such building can fill an intensive transceiver of signal, connect the intelligent gas meter of the every household in this building, this winding displacement realizes when building in the prior art easily, cost is lower, the intensive transceiver of signal is connected by wireless public network with signal transceiver, as passed through all to install gsm module in the intensive transceiver of signal and signal transceiver, both carry out Wireless Data Transmission by mobile public network, signal transceiver is directly connected with the server in gas company, meter reading data is passed in server, complete and check meter, if intelligent gas meter breaks down, the failure message of intelligent gas meter can also be known in server.Adopt in this way, do not depend on internet, therefore network hacker not easily invades, and security is higher, and does not need too much IP address, can connect more intelligent gas meter under a mobile communication account, therefore takies mobile communication account resource less.
As improvement, it also comprises the control method of server to intelligent gas meter, and step is as follows:
Step (5) is if server needs to control the intelligent gas meter of user, then send control command by signal transceiver and wireless public network to the intensive transceiver of signal, control command comprises address and the steering order of the intelligent gas meter under the intensive transceiver of signal, and described steering order is warning message or break-make instruction;
By the mode of wired connection, steering order is transferred to this intelligent gas meter according to the address of intelligent gas meter and steering order after step (6), signal intensive transceivers to control command, intelligent gas meter carries out action according to steering order, if steering order is warning message, then report to the police, if steering order is break-make instruction, then control the break-make of user's air-supplying valve;
Whether successful for control information is sent to signal transceiver by wireless public network by step (7), the intensive transceiver of signal, and this information is passed to server by signal transceiver.
Adopt in this way, server can also realize sending warning to user and controlling the function of user's gas valve break-make.
As improvement, it is timed sending separately separately that described server sends to the intensive transceiver of each signal order of checking meter.Adopt in this way, signal transceiver sends the time of order of checking meter by gas company's sets itself to the intensive transceiver of each signal, and gas company can be set in the different time and send order of checking meter, to stagger the time of checking meter, in case network congestion.
According to another aspect of the present invention, the present invention also provides a kind of Gas Meter Reading System, and it comprises:
Server, for storing the address of intelligent gas meter and sending to intelligent gas meter check meter order or control command by signal transceiver, receives gas meter, flow meter data;
Signal transceiver, is connected with server, carries out Wireless Data Transmission with the intensive transceiver of signal by wireless public network;
The intensive transceiver of signal, with intelligent gas meter wired connection, for receiving check meter order or control command, and receives gas meter, flow meter data, the failure message of intelligent gas meter by wired data transfer or controls return information;
Gas meter, flow meter data, for gathering gas meter, flow meter data, are transferred to the intensive transceiver of signal by intelligent gas meter, and for break-make user air-supplying valve.
Adopt this system, wired connection is adopted to carry out data transmission between intelligent gas meter and the intensive transceiver of signal, such building can fill an intensive transceiver of signal, connect the intelligent gas meter of the every household in this building, this winding displacement realizes when building in the prior art easily, cost is lower, the intensive transceiver of signal is connected by wireless public network with signal transceiver, as passed through all to install gsm module in the intensive transceiver of signal and signal transceiver, both carry out Wireless Data Transmission by mobile public network, signal transceiver is directly connected with the server in gas company, meter reading data is passed in server, complete and check meter, if intelligent gas meter breaks down, the failure message of intelligent gas meter can also be known in server.Adopt in this way, do not depend on internet, therefore network hacker not easily invades, and security is higher, and does not need too much IP address, can connect more intelligent gas meter under a mobile communication account, therefore takies mobile communication account resource less.
According to another aspect of the present invention, the present invention also provides a kind of intelligent gas meter, it comprises magnetic control counting circuit, signal control circuit, valve controling circuit, and described magnetic control counting circuit is connected with signal control circuit, and described signal control circuit is also connected with valve controling circuit.
This intelligent gas meter is the principle utilizing electromagnetic induction, convert gas consumption to data message very simply, structure is simple, cost is low, accurate measurement, and if when being used in the transformation of existing gas meter, flow meter, do not need the structure changing existing gas meter, flow meter, directly on the mechanical dial plate of existing gas meter, flow meter, increase circuit board and magnet, simple and convenient.
Described magnetic control counting circuit comprises magnetic control circuit, counter, counting module and display module, magnetic control circuit is connected with counter and counting module, counting module is connected with display module, described counter comprises many carry counting systems device gear, described 0.0 digit counter gear is provided with one block of magnet, be provided with magnetic-inductive device relative to the position of 0.0 digit counter gear inside described counter shell, described magnetic-inductive device is connected with magnetic control circuit; When counter gear rotates a circle, magnetic-inductive device can accept a signal, magnetic control circuit sends pulsatile once to counting module, pulsatile once represents 0.0 digit counter pinion rotation one circle, counting module detects user's gas consumption by calculating umber of pulse, and is shown in display module by gas consumption.
Described signal control circuit comprises microprocessor, clock control module, signal transmitting and receiving module and interface module, described microprocessor respectively with counting module, clock control module, signal transmitting and receiving model calling, described signal transmitting and receiving module is connected with interface module; Clock control module provides temporal information to microprocessor, and microprocessor receives the gas consumption data that counting module sends, by gas consumption data by sending to interface module after signal transmitting and receiving resume module, thus by wire transmission to the intensive transceiver of signal.
Described valve controling circuit is connected with built-in valve and microprocessor respectively; Microprocessor controls built-in valve by by-pass valve control control circuit after receiving break-make instruction by signal transmitting and receiving module, thus realizes break-make user air-supplying valve.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of Gas Meter Reading System of the present invention;
Fig. 2 is the frame principle figure of intelligent gas meter of the present invention;
Fig. 3 is the structural representation of intelligent gas meter counter of the present invention;
Fig. 4 is the structural representation of three table bus kilowatt meter reading-out systems in prior art;
Fig. 5 is the structural representation of the WLAN (wireless local area network) kilowatt meter reading-out system of three tables in prior art;
Fig. 6 is the structural representation that in prior art, three tables carry out the kilowatt meter reading-out system of checking meter by mobile communication module;
As shown in the figure: 1, intelligent gas meter, 1.1,0.0 digit counter gear, 1.2, magnet, 1.3, magnetic-inductive device, 2, the intensive transceiver of signal, 3, three core copper tree laces, 4, signal transceiver, 5, server.
Embodiment:
Illustrate below in conjunction with specific embodiments and the drawings and the present invention elaborated:
According to an aspect of the present invention, the invention provides a kind of gas meter, flow meter remote meter reading method, it comprises the following steps:
Step (1), server sends to the intensive transceiver of signal order of checking meter by signal transceiver and wireless public network, and order of checking meter comprises address and the gas meter, flow meter data item information of the intelligent gas meter under the intensive transceiver of each signal; Be provided with gsm module in signal transceiver in the present embodiment, also gsm module is housed in the intensive transceiver of signal, they carry out data transmission by GPRS/GSM mobile radio communication between the two;
Step (2), according to the address of intelligent gas meter and gas meter, flow meter data item information after the intensive transceivers of signal to order of checking meter, gathered the gas meter, flow meter data corresponding with gas meter, flow meter data item in this intelligent gas meter by wired data transfer mode; In the present embodiment, the intensive transceiver of signal is by three core copper tree laces and I/O port and intelligent gas list catenation, after the intensive transceivers of signal to order of checking meter, according to the address lookup of intelligent gas meter in order to intelligent gas meter, and by gas meter, flow meter data item information transmission to intelligent gas meter, intelligent gas meter, according to gas meter, flow meter data item information solicitation gas meter, flow meter data, such as: the information such as user's gas consumption, time, and sends to the intensive transceiver of signal by three core copper tree laces;
Step (3), if gather successfully, then the gas meter, flow meter data collected are sent to signal transceiver by wireless public network by the intensive transceiver of signal, if gather unsuccessful, then failure message is then sent to signal transceiver by wireless public network by the intensive transceiver of signal; If gather unsuccessful, intelligent gas meter fault is described, intelligent gas meter then issues the intensive transceiver of signal failure message by wired connection, and the intensive transceiver of signal then by the address of failure message and intelligent fault gas meter, flow meter, issues signal transceiver by wireless public network;
Step (4), gas meter, flow meter data or failure message are passed to server by signal transceiver.Such server just completes checking meter to user's intelligent gas meter, or obtains the information of this user's intelligent gas meter fault.
Described signal transceiver and the intensive transceiver of multiple signal carry out Wireless Data Transmission, the intensive transceiver of described signal and multiple intelligent gas meter carry out wired data transfer, and the address of each intelligent gas meter under the address of the intensive transceiver of described each signal and wireless signal transceiver all stores in the server.
As improvement, it is further comprising the steps of:
Step (5) is if server needs to control the intelligent gas meter of user, then send control command by signal transceiver and wireless public network to the intensive transceiver of signal, control command comprises address and the steering order of the intelligent gas meter under the intensive transceiver of signal, and described steering order is warning message or break-make instruction;
By the mode of wired connection, steering order is transferred to this intelligent gas meter according to the address of intelligent gas meter and steering order after step (6), signal intensive transceivers to control command, intelligent gas meter carries out action according to steering order, if steering order is warning message, then report to the police, if steering order is break-make instruction, then control the break-make of user's air-supplying valve; Warning can be sound and light alarm, and it is realized by built-in valve that intelligent gas meter controls user's air-supplying valve break-make.
Whether successful for control information is sent to signal transceiver by wireless public network by step (7), the intensive transceiver of signal, and this information is passed to server by signal transceiver.
Adopt in this way, server can also realize sending warning to user and controlling the function of user's air-supplying valve break-make.
As improvement, it is timed sending separately separately that described server sends to the intensive transceiver of each signal order of checking meter.Adopt in this way, signal transceiver sends the time of order of checking meter by gas company's sets itself to the intensive transceiver of each signal, and gas company can be set in the different time and send order of checking meter, to stagger the time of checking meter, in case network congestion.Such as: in server signalization transceiver to the timing of certain signal intensive transceiver in every month No. 10 10 transmissions to check meter order, arrange to the timing of another signal intensive transceiver in every month No. 10 11 transmissions to check meter order, etc. can stagger the time of checking meter like this, prevent network congestion.
According to another aspect of the present invention, the present invention also provides a kind of Gas Meter Reading System, and as shown in Figure 1, it comprises: server 5, for storing the address of intelligent gas meter and sending to intelligent gas meter 1 check meter order or control command by signal transceiver 4, receive gas meter, flow meter data; In the present embodiment, server 5 is computing machine.
Signal transceiver 4, is connected with server, carries out Wireless Data Transmission with the intensive transceiver 2 of signal by wireless public network; A gsm module signal transceiver 4 is equipped with in the present embodiment, for carrying out data transmission with the intensive transceiver of signal by mobile public network.
The intensive transceiver 2 of signal, with intelligent gas meter 1 wired connection, for receiving check meter order or control command, and receives gas meter, flow meter data, the failure message of intelligent gas meter by wired data transfer or controls return information; In the intensive transceiver 2 of signal, a gsm module is housed in the present embodiment, for carrying out data transmission with signal transceiver, three core copper tree laces 3 and intelligent gas meter 1 wired connections of the intensive transceiver 2 of signal also by adopting in the present embodiment.
Gas meter, flow meter data, for gathering gas meter, flow meter data, are transferred to the intensive transceiver 2 of signal by intelligent gas meter 1, and for break-make user power supply.The intensive transceiver of same signal 2 can connect multiple intelligent gas meter 1.Such as, fill an intensive transceiver 2 of signal in a building, the intelligent gas meter 1 of each household like this in this building can be connected on the intensive transceiver 2 of signal by winding displacement, and this winding displacement is easy to just can realize in the prior art.
The intensive transceiver 2 of described signal comprises microprocessor, power supply, wireless signal transceiver module and programmable I/O port, described power supply is connected with microprocessor, programmable I/O port and wireless signal transceiver module, and described microprocessor is connected with programmable I/O and wireless signal transceiver module respectively.Programmable I/O port by three core copper tree laces 3 can with multiple intelligent gas meter 1 wired connection.Wireless signal transceiver module is connected with signal transceiver 4 by wireless signal.
Adopt this system, wired connection is adopted to carry out data transmission between intelligent gas meter and the intensive transceiver of signal, such building can fill an intensive transceiver of signal, connect the intelligent gas meter of the every household in this building, this winding displacement realizes when building in the prior art easily, cost is lower, the intensive transceiver of signal is connected by wireless public network with signal transceiver, as passed through all to install gsm module in the intensive transceiver of signal and signal transceiver, both carry out Wireless Data Transmission by mobile public network, signal transceiver is directly connected with the server in gas company, meter reading data is passed in server, complete and check meter, if intelligent gas meter breaks down, the failure message of intelligent gas meter can also be known in server.Adopt in this way, do not depend on internet, therefore network hacker not easily invades, and security is higher, and does not need too much IP address, can connect more intelligent gas meter under a mobile communication account, therefore takies mobile communication account resource less.
According to another aspect of the present invention, the present invention also provides a kind of intelligent gas meter, as shown in Figure 2: according to another aspect of the present invention, the present invention also provides a kind of intelligent gas meter, it comprises magnetic control counting circuit, signal control circuit, valve controling circuit, described magnetic control counting circuit is connected with signal control circuit, and described signal control circuit is also connected with valve controling circuit.
This intelligent gas meter is the principle utilizing electromagnetic induction, convert gas consumption to data message very simply, structure is simple, cost is low, accurate measurement, and if when being used in the transformation of existing gas meter, flow meter, do not need the structure changing existing gas meter, flow meter, directly on the mechanical dial plate of existing gas meter, flow meter, increase circuit board and magnet, simple and convenient.。
Described magnetic control counting circuit comprises magnetic control circuit, counter, counting module and display module, magnetic control circuit is connected with counter and counting module, counting module is connected with display module, as shown in Figure 3, described counter comprises many carry counting systems device gear, described 0.0 digit counter gear 1.1 is provided with one block of magnet 1.2, and be provided with magnetic-inductive device 1.3 relative to the position of 0.0 digit counter gear 1.1 inside described counter shell, described magnetic-inductive device is connected with magnetic control circuit; In the present embodiment, magnetic-inductive device can adopt Hall element or magnetron, also can adopt tongue tube.When counter gear rotates a circle, magnetic-inductive device can accept a signal, conducting once, magnetic control circuit sends pulsatile once to counting module, pulsatile once represents 0.0 digit counter pinion rotation one circle, counting module detects user's gas consumption by calculating umber of pulse, and is shown in display module by gas consumption.
Described signal control circuit comprises microprocessor, clock control module, signal transmitting and receiving module and interface module, described microprocessor respectively with counting module, clock control module, signal transmitting and receiving model calling, described signal transmitting and receiving module is connected with interface module; Clock control module provides temporal information to microprocessor, and microprocessor receives the gas consumption data that counting module sends, by gas consumption data by sending to interface module after signal transmitting and receiving resume module, thus by wire transmission to the intensive transceiver of signal.The power supply of the circuit (magnetic control counting circuit, signal control circuit, valve controling circuit) of the measurement of described intelligent gas meter is connected with the intensive transceiver of signal by three core copper tree laces by interface module, thus power from the intensive transceiver of signal, one tunnel of three core copper tree laces is signal wires, one tunnel is power lead, one tunnel is ground wire, therefore be just that user's family circuit has a power failure, also can check meter.
Described valve controling circuit is connected with built-in valve and microprocessor respectively; Microprocessor controls built-in valve by by-pass valve control control circuit after receiving break-make instruction by signal transmitting and receiving module, thus realizes break-make user air-supplying valve.
Claims (3)
1. a gas meter, flow meter remote meter reading method, is characterized in that: it comprises the following steps:
Step (1), server sends to the intensive transceiver of signal order of checking meter by signal transceiver and wireless public network, and order of checking meter comprises address and the gas meter, flow meter data item information of the intelligent gas meter under the intensive transceiver of each signal;
Step (2), according to the address of intelligent gas meter and gas meter, flow meter data item information after the intensive transceivers of signal to order of checking meter, gathered the gas meter, flow meter data corresponding with gas meter, flow meter data item in this intelligent gas meter by wired data transfer mode, described intelligent gas meter is connected with the intensive transceiver of signal by independent connecting line;
Step (3), if gather successfully, then the gas meter, flow meter data collected are sent to signal transceiver by wireless public network by the intensive transceiver of signal, if gather unsuccessful, then failure message is then sent to signal transceiver by wireless public network by the intensive transceiver of signal;
Step (4), gas meter, flow meter data or failure message are passed to server by signal transceiver;
Step (5) is if server needs to control user's intelligent gas meter, then send control command by signal transceiver and wireless public network to the intensive transceiver of signal, control command comprises address and the break-make instruction of the intelligent gas meter under the intensive transceiver of signal;
After step (6), signal intensive transceivers to control command according to the address of intelligent gas meter and break-make instruction by the mode of wired connection by break-make command to this intelligent gas meter, intelligent gas meter controls the break-make of user's air-supplying valve according to break-make instruction;
Whether successful for control information is sent to signal transceiver by wireless public network by step (7), the intensive transceiver of signal, and this information is passed to server by signal transceiver.
2. gas meter, flow meter remote meter reading method according to claim 1, it is characterized in that: described signal transceiver and the intensive transceiver of multiple signal carry out Wireless Data Transmission, the intensive transceiver of described signal and multiple intelligent gas meter carry out wired data transfer, and the address of each intelligent gas meter under the address of the intensive transceiver of described signal and the intensive transceiver of signal all stores in the server.
3. gas meter, flow meter remote meter reading method according to claim 2, is characterized in that: it is timed sending separately separately that described server sends to the intensive transceiver of each signal order of checking meter.
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| CN201210560353.8A CN103065449B (en) | 2012-12-20 | 2012-12-20 | Gas meter, flow meter remote meter reading method and system |
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| CN201210560353.8A CN103065449B (en) | 2012-12-20 | 2012-12-20 | Gas meter, flow meter remote meter reading method and system |
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| US10641633B2 (en) * | 2015-03-04 | 2020-05-05 | Micro Motion, Inc. | Flowmeter measurement confidence determination devices and methods |
| CN105678912A (en) * | 2016-02-03 | 2016-06-15 | 成都艾萌科技有限公司 | Gas meter and gas charging system |
| CN107818666A (en) * | 2017-12-06 | 2018-03-20 | 黄乐元 | A kind of Gas Meter Reading System and method for possessing intelligent recognition function |
| CN109962955A (en) * | 2017-12-25 | 2019-07-02 | 新智数字科技有限公司 | The communication optimization method and system of intelligent gas meter |
| CN109961578A (en) * | 2017-12-26 | 2019-07-02 | 新智数字科技有限公司 | Control method, device and the gas meter, flow meter with it of gas meter, flow meter |
| US10575072B1 (en) | 2019-02-15 | 2020-02-25 | Chengdu Qinchuan Iot Technology Co., Ltd. | Gas meter fault prompting method and internet of things (IoT) system based on compound IoT |
| CN110211361B (en) * | 2019-07-03 | 2020-08-28 | 安徽大学 | Household gas self-service meter reading method and device |
| CN112880752A (en) * | 2021-01-20 | 2021-06-01 | 连云港新奥燃气有限公司 | Data acquisition end integrated gas user monitoring system |
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Effective date of registration: 20231019 Address after: Room 205, No. 42, Lane 43, Qingping Street, Haishu District, Ningbo City, Zhejiang Province, 315000 Patentee after: Qiu Baikang Address before: 315051 No.167 Qixin Road, Jiangdong District, Ningbo City, Zhejiang Province, 5F: Ningbo Yuhong Electric Co.,Ltd. Patentee before: NINGBO YUHONG ELECTRIC Co.,Ltd. |
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