CN212160825U - Gas table based on LoRaWan communication technology - Google Patents
Gas table based on LoRaWan communication technology Download PDFInfo
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- CN212160825U CN212160825U CN201820912608.5U CN201820912608U CN212160825U CN 212160825 U CN212160825 U CN 212160825U CN 201820912608 U CN201820912608 U CN 201820912608U CN 212160825 U CN212160825 U CN 212160825U
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Abstract
The utility model relates to the technical field of gas meters and remote communication, and discloses a gas meter based on LoRaWan communication technology, wherein a main control module is respectively connected with a trigger module, a LoRaWan communication module and a metering module and is used for regulating and controlling the operation among the modules; the triggering module is used for triggering the LoRaWan communication module to operate when the meter end needs to communicate with the remote server; the LoRaWan communication module is used for realizing information interaction between the meter end and the server after being triggered; and the storage module is connected with the main control module and is used for storing the information parameters in the table terminal. The gas meter based on the LoRaWan communication technology has the advantages of low power consumption, strong network coverage capability, good interference resistance and long communication distance, has larger storage capacity, can respectively store fluid flow information acquired by a metering module for multiple days, and can be matched with a LoRaWan communication module and a trigger module to achieve the purpose of regularly transmitting the information.
Description
Technical Field
The utility model relates to a gas table and remote communication technical field have especially related to a gas table based on LoRaWan communication technology.
Background
With the rapid development of urban gas utilities, the number of gas resident users is rapidly increased, and accurate and effective acquisition of gas meter metering data becomes an important work of a gas management department aiming at the requirements of gas companies on gas metering and gas management.
The traditional gas meter reading mode mainly depends on manual timing meter reading, data summarizing and data analysis, and accuracy and integrity of meter reading data cannot be guaranteed due to error recording and missing recording.
The existing gas meter with the wireless communication function is usually based on the own protocol of LoRa, and because of the conventional use based on the LoRa technology, the meter reading power consumption is large, the meter reading power consumption is easily interfered, the meter reading distance is not long enough, and a plurality of problems exist in the long-term use in a special scene, so that the development of the gas meter has certain limitation.
The patent with the publication number of CN207319357U and publication date of 2018.05.4 discloses an intelligent remote fire based on LoRaWan technology, which comprises a LoRaWan communication module, a CPU module, a power management module, a flow detection module, an IC card seat module, an alarm prompt module and an R T C module; the CPU module is respectively connected with the LoRaWan communication module, the power management module, the flow detection module, the IC card seat module, the alarm prompt module and the RTC module. The utility model discloses a LoRaWan technique is the basis, realizes that intelligent gas table carries out data interaction through the LoRaWan network and the management system of linear spread spectrum technique as the basis, has realized management functions such as long-range data detection and operation control and exception report; the gas meter can independently realize intelligent functions such as charging, abnormity detection, alarm prompt, automatic operation and the like by matching with special software control.
But the LoRaWan communication module keeps establishing a communication state with an external server in real time and sends the fluid flow information acquired by the flow monitoring module to the server in real time. Therefore, the LoRaWan communication module is kept in communication connection with the server in real time, so that the power consumption is high, the electric quantity of a battery at the meter end is not durable, and the LoRaWan communication module is not suitable for the development of times.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a have low-power consumption, the network coverage ability is strong, and is anti-interference good, and communication distance is far away based on LoRaWan communication technology's gas table, and has bigger storage capacity, can save the fluid flow information that the many days of metering module gathered respectively to reach the purpose of regularly transmitting information with LoRaWan communication module and trigger module cooperation.
In order to solve the technical problem, the utility model discloses a following technical scheme can solve:
a gas meter based on LoRaWan communication technology comprises a main control module, a trigger module, a LoRaWan communication module, a storage module and a metering module for collecting flow information in the gas meter;
the main control module is respectively connected with the trigger module, the LoRaWan communication module and the metering module and is used for regulating and controlling the operation among the modules;
the triggering module is used for triggering the LoRaWan communication module to operate when the meter end needs to communicate with the remote server;
the LoRaWan communication module is triggered to realize information interaction between the table terminal and the server;
the storage module is connected with the main control module and is used for storing the information parameters in the table terminal.
The metering module collects fluid flow information and then sends the fluid flow information to the main control module for processing, the main control module transmits the fluid flow information to the storage module for storage, when the preset number of days is reached or when the server needs to acquire the data information at the end, the main control module triggers the LoRaWan communication module to be opened through the trigger module to establish communication connection with the server for data information interaction and instruction transmission, and after the data information and the instruction information are transmitted, the main control module immediately closes the connection between the LoRaWan communication module and the server, so that the optimal low power consumption effect is achieved.
Preferably, the triggering module is a clock triggering module or a key triggering module, and the LoRaWan communication module is triggered to start to work through the clock triggering module or the key triggering module.
Preferably, the device further comprises a storage module, wherein the storage module is connected with the main control module and is used for storing the information parameters in the table terminal.
Preferably, the system also comprises a display module, wherein the display module is connected with the main control module and is used for displaying parameters such as residual amount, unit price, accumulated gas consumption, time and the like, and a user can clearly know information such as residual amount of gas consumption and the like without going out.
Preferably, the system further comprises a valve control module, the valve control module is connected with the main control module and used for opening or closing a flow valve in the gas meter, and the peripheral server can remotely control the flow valve of the gas meter to be closed under the condition of user arrearage and the like, so that the gas can be continuously used under the condition of user arrearage.
Preferably, the system also comprises a key module, the key module is connected with the main control module, a user can inquire parameters in the gas meter through the key module and control the flow valve in the gas meter, the user can conveniently inquire various data information in the meter, and the flow valve is timely opened after the gas arrearage is completed.
Preferably, the LoRaWan communication module comprises a main chip, a serial port and an antenna for amplifying signals; the main chip is connected with the main control module through a serial port, and the main chip performs information interaction with the server through the antenna.
The utility model discloses owing to adopted above technical scheme, have apparent technological effect:
1. the utility model discloses an adopt LoRaWan communication module and server to carry out data communication interaction, LoRaWan communication module has that the network coverage ability is strong, and LoRaWan is than current network gain 5dB under same frequency channel, and coverage area enlarges more than 2 times.
2. The LoRaWan communication module also has the capacity of supporting massive connection, and one sector of the LoRaWan can support 1 ten thousand connections and can only be used for a plurality of gas meters.
3. The utility model provides a LoRaWan communication module can support the equipment of low time delay sensitivity, can reduce the cost and the consumption of equipment, optimization network framework that can step forward.
4. The utility model discloses a storage module, storage module have bigger storage capacity, can save the fluid flow information that the measurement module gathered many days respectively.
5. The trigger module can be matched with the LoRaWan communication module to achieve the purpose of regularly transmitting information for one or more days and the like.
Drawings
Fig. 1 is a module connection diagram of a gas meter based on the LoRaWan communication technology of the present invention;
fig. 2 is a module connection diagram of the LoRaWan communication module of the present invention;
FIG. 3 is the internal structure of LoRaWan communication module of the present invention
Fig. 4 is a schematic diagram of the connection between the embodiment of the present invention and the server for remote communication.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1, a gas meter based on the LoRaWan communication technology includes a main control module, a metering module, a triggering module, a LoRaWan communication module and a storage module, wherein the main control module is electrically connected to the metering module, the triggering module, the LoRaWan communication module and the storage module, and regulates and controls the operation among the modules in the system; the trigger module is a clock trigger module or a key trigger module; the metering module collects fluid flow information in the gas meter and sends the fluid flow information to the main control module for processing, and the main control module transmits the information to the storage module for storage after processing. The storage module has large information storage capacity and can respectively store information acquired by the metering module for multiple days. When the server needs to acquire the data information of the gas meter, the main control module triggers the LoRaWan communication module to be started to establish communication connection with the server through the trigger module, performs data interaction and instruction transmission on the information stored in the storage module and the server, and immediately closes the communication connection between the LoRaWan communication module and the server after the data information and instruction information are transmitted. Therefore, the purpose of low power consumption of gas meter communication is achieved.
As shown in fig. 2, the gas meter based on the LoRaWan communication technology of the present invention further includes a display module, a valve control module, a key module, and a power supply detection module; the display module, the valve control module and the key module are respectively electrically connected with the main control module; the display module adopts a liquid crystal display screen and is embedded into one side of the gas meter shell, and a user can inquire the residual amount of the current gas consumption expense of the gas meter through a key module, accumulate the gas consumption, the unit price of the gas, the time and other parameter information and display the information through the liquid crystal display screen; the user can also open the flow valve in the valve control module control gas table through the button module.
As shown in fig. 3, the LoRaWan communication module of the present invention includes a main chip, a serial port, and an antenna for amplifying signals; the main chip is electrically connected with the main control module through a serial port; the main control module transmits the information stored by the storage module to the main chip through the serial port for processing, and establishes communication connection with the server through the antenna amplification signal, so that information interaction between the meter end and the server is realized.
As shown in fig. 4, the gas meter end uses a LoRaWan communication module to perform data information interaction with the server through the concentrator, and after the LoRaWan communication module successfully accesses the network, the LoRaWan communication module can perform data transceiving communication with the server. The table end sends the reported data to the server, the server judges whether an instruction needs to be issued after receiving the reported data, if so, an instruction frame is issued, the table end is subjected to parameter setting or reading operation, and the table end responds after receiving the instruction frame. And when the server judges that no instruction needs to be issued, issuing an end frame to end the communication.
The working process is as follows: the metering module collects fluid flow information in the gas meter and sends the flow information to the main control module for processing, the flow information is transmitted to the storage module for storage after being processed by the main control module, when the server needs to acquire the meter data information, the main control module triggers the LoRaWan communication module to be opened through the trigger module to establish communication connection with the server, so that multiple modes of one or more than one day can be selected, after the meter end is in communication connection with the server, the main control module carries out data interaction and instruction transmission on the information stored in the storage module and the server, and after the data information and instruction information are transmitted, the main control module immediately closes the communication connection between the LoRaWan communication module and the server. The specific instruction information comprises data information transmitted from the outside, and the data information is displayed through the display module and the flow valve in the gas meter is controlled to be opened and closed through the valve control module.
The meter end collects data such as metering, flow valves and meter states, the data are actively connected with a background server through a LoRaWan communication module in a one-day or one-more-day mode through a concentrator, and the data are transmitted to a service system database; the residual amount and the real-time unit price are transmitted to the meter end after the business system settles, and a user can inquire the residual amount, the unit price and the accumulated amount of the fuel gas through the key module and the display module, so that the aims of remote meter reading, remote valve control, big data collection and analysis are fulfilled.
The utility model discloses a LoRaWan communication module realizes wireless network data transmission, carries out communication interaction through concentrator and server, realizes the remote monitoring to data such as gas meter measurement, valve, table state, reaches the purpose of long-range check meter, remote valve control, big data collection and analysis, no longer needs the manual work to check meter of going to the door.
Compared with gas meters based on other wireless communication technologies, the gas meter based on the LoRaWan communication technology has a lower power consumption model. Therefore, the scheme of using the lithium battery to supply power for the gas meter for 10 years or more is more feasible.
The LoRaWan technology is wide in coverage, indoor coverage is improved, LoRaWan gains 5dB compared with the existing network under the same frequency band, and the coverage area is enlarged by more than 2 times.
LoRaWan has the capacity of supporting massive connections, and one sector of LoRaWan can support 1 ten thousand connections, so that low delay sensitivity, ultralow equipment cost, low equipment power consumption and optimized network architecture are supported;
compared with the common wireless communication technology, the communication distance is short, the interference of the external environment is easy to happen, and the LoRaWan technology has a development prospect as a new technology.
When LoRaWan remote data are used, AES encryption, CRC check and MIC check are adopted, and confidentiality and effectiveness of the data are effectively guaranteed.
When LoRaWan communication is started, a peak staggering mechanism is adopted, the gas meter is divided into 1440 time periods to be actively uploaded, and the network bandwidth and the server pressure are effectively reduced.
In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the scope of the present invention.
Claims (5)
1. A gas table based on LoRaWan communication technology which characterized in that: the system comprises a main control module, a trigger module, a LoRaWan communication module, a storage module and a metering module for collecting flow information in a gas meter;
the main control module is respectively connected with the trigger module, the LoRaWan communication module and the metering module and is used for regulating and controlling the operation among the modules;
the trigger module is used for triggering the LoRaWan communication module to operate when the meter end needs to communicate with the remote server, and the trigger module is a clock trigger module or a key trigger module;
the LoRaWan communication module is triggered to realize information interaction between the table terminal and the server;
the storage module is connected with the main control module and is used for storing the information parameters in the table terminal.
2. The gas meter based on LoRaWan communication technology of claim 1, characterized in that: the display module is electrically connected with the main control module and is used for displaying the residual amount, the unit price, the accumulated gas consumption and the time parameters.
3. The gas meter based on LoRaWan communication technology of claim 1, characterized in that: the gas meter also comprises a valve control module, wherein the valve control module is electrically connected with the main control module and used for opening or closing a flow valve in the gas meter.
4. The gas meter based on LoRaWan communication technology of claim 1, characterized in that: the gas meter control system is characterized by further comprising a key module, wherein the key module is electrically connected with the main control module, and a user can inquire parameters in the gas meter and control the flow valve in the gas meter through the key module.
5. The gas meter based on LoRaWan communication technology of claim 1, characterized in that: the LoRaWan communication module comprises a main chip, a serial port and an antenna for amplifying signals; the main chip is connected with the main control module through a serial port, and the main chip performs information interaction with the server through the antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201820912608.5U CN212160825U (en) | 2018-06-13 | 2018-06-13 | Gas table based on LoRaWan communication technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820912608.5U CN212160825U (en) | 2018-06-13 | 2018-06-13 | Gas table based on LoRaWan communication technology |
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| CN212160825U true CN212160825U (en) | 2020-12-15 |
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| CN201820912608.5U Active CN212160825U (en) | 2018-06-13 | 2018-06-13 | Gas table based on LoRaWan communication technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117479049A (en) * | 2023-12-27 | 2024-01-30 | 成都秦川物联网科技股份有限公司 | Data transmission control method for intelligent fuel gas, internet of things system and medium |
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2018
- 2018-06-13 CN CN201820912608.5U patent/CN212160825U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117479049A (en) * | 2023-12-27 | 2024-01-30 | 成都秦川物联网科技股份有限公司 | Data transmission control method for intelligent fuel gas, internet of things system and medium |
| CN117479049B (en) * | 2023-12-27 | 2024-03-15 | 成都秦川物联网科技股份有限公司 | Data transmission control method for intelligent fuel gas, internet of things system and medium |
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