CN206542445U - A kind of Internet of Things gas meter controller based on LoRa spread spectrum technics - Google Patents
A kind of Internet of Things gas meter controller based on LoRa spread spectrum technics Download PDFInfo
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- CN206542445U CN206542445U CN201621242937.0U CN201621242937U CN206542445U CN 206542445 U CN206542445 U CN 206542445U CN 201621242937 U CN201621242937 U CN 201621242937U CN 206542445 U CN206542445 U CN 206542445U
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- spread spectrum
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- gas meter
- internet
- microcontroller
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Abstract
The utility model discloses a kind of Internet of Things gas meter controller based on LoRa spread spectrum technics, belong to gas meter, flow meter control technology field.The Internet of Things gas meter controller based on LoRa spread spectrum technics, including microcontroller, spread spectrum radio communication module, LED indicating circuit, data memory module, valve control module, analog pulse counting module and power management module.The Internet of Things gas meter controller based on LoRa spread spectrum technics that the application is provided, using micro energy lose design, LoRa spread spectrum radio communication technologies are merged, with reliable and stable, communication distance is remote, the features such as anti-electromagnetic interference capability is strong, the data acquisition degree of accuracy is high.
Description
Technical field
The utility model is related to gas meter, flow meter control technology field, more particularly to a kind of thing based on LoRa spread spectrum technics
Networking gas meter controller.
Background technology
With the fast development of gas cause, combustion gas resident's quantity rapidly increases, for gas company to
The need for gas is measured with civil gas management, accurately and effectively gathering gas meter, flow meter continuous data becomes the important work of civil gas management department
Make.Traditional gas meter, flow meter meter reading method rely primarily on artificial timing meter reading collect, analyze data, by mistake record, leakage record cause meter reading number
According to accuracy and integrality can not ensure；Gas meter, flow meter with radio communication function is often due to meter reading distance closely causes combustion gas
Associate can not accurately and effectively meter reading, Consumer's Experience is poor；In addition, for need of the gas company to radio meter register networking
Ask, the radio meter register network of prior art arrangement realization largely has the embarrassments such as deployment is difficult, easily paralyse, hardly possible is safeguarded and asked
Topic.
Intelligent cloud service and big data have been the main flows of Present S ＆ T Development and technological innovation, are used as the new of national strategy
Industry -- Internet of Things also progressively moves towards reality.Internet of Things industry and technology progressively penetrate into gas meter reading industry.LoRa is spread
The appearance of wireless communication technology greatly improve radio communication poor anti jamming capability under the conditions of original technology, penetration capacity it is poor,
The shortcomings of communication distance is near, the tight demand for gas industry to Intelligent internet of things gas meter, flow meter, invention is a kind of to be expanded based on LoRa
The gas meter controller of the frequency communication technology is necessary.
The content of the invention
Problem to be solved in the utility model is the control of existing gas meter, flow meter in the presence of deployment hardly possible, easily paralysis, meter reading hardly possible, dimension
The problems such as shield is difficult, user's usage comfort is poor.
In order to solve the above technical problems, the technical solution adopted in the utility model is：There is provided a kind of logical based on LoRa spread spectrums
The Internet of Things gas meter controller of letter technology.The Internet of Things gas meter controller based on LoRa spread spectrum technics, including
Microcontroller, spread spectrum radio communication module, LED indicating circuit, data memory module, valve control module, analog pulse are counted
Module and power management module.
The microcontroller is indicated with spread spectrum radio communication module, data memory module, valve control module, LED respectively
Circuit, analog pulse counting module are connected with power management module.The relevant parameter of the data memory module storage control.
The analog pulse counting module using double metrical pulse modes, for gauge check gas meter, flow meter character wheel rotation and to microcontroller
Device sends pulse signal.
Preferably, the microcontroller is RF70C019 single-chip microcomputers, the characteristics of it has high-performance micro energy lose.
Further, the spread spectrum radio communication module be LoRa spread spectrum radio communication modules, its by spi bus with it is micro-
The communication terminal of controller is connected.
Preferably, the LoRa spread spectrum radio communications module is SX1278 spread spectrum radio communication modules.
Further, the power management module includes mu balanced circuit, voltage detection circuit and idle capacity.It is described
The output port of mu balanced circuit is connected with microcontroller, LED indicating circuit with the power input port of spread spectrum radio communication module
Connect.The voltage detection circuit is connected with the voltage detecting port of microcontroller；The idle capacity and the main electricity of system
Source is connected.
Further, valve control module includes integrated circuit DRV8837 and reverse impulse eliminates circuit.The valve control
The input of molding block is connected with microcontroller, and output end is connected with the valve of gas meter, flow meter.
Preferably, described analog pulse counting module is additionally operable to the extraneous magnetic interference signal of sensing, and to microcontroller
Device sends anti-magnetic signal, and the microcontroller is detecting anti-magnetic signal time control valve control module closing valve.
Preferably, the LED indicating circuit includes LED light emitting diodes；The state and power supply of the LED light emitting diodes
State it is corresponding.
The utility model has the advantages and positive effects of：The thing based on LoRa spread spectrum technics that the application is provided
Networking gas meter controller, using micro energy lose design, merges LoRa spread spectrum radio communication technologies, with reliable and stable, leads to
Communication distance is remote, the features such as anti-electromagnetic interference capability is strong, the data acquisition degree of accuracy is high.
The gas meter controller that the application is provided, possesses the MANET function based on LoRa spread spectrum radio communications, passes through
The equipment such as LoRa remote meter reading concentrators, can be achieved automatic seeking net, automatic networking, timing upload wireless data, remote monitoring etc.
Function.Favourable data supporting is provided for the depressed calculation of use of gas company, the operation of gas company is largely facilitated
Management.
Brief description of the drawings
Fig. 1 is the FB(flow block) of the application.
Embodiment
In order to be better understood from the utility model, traveling one is entered to the utility model with reference to specific embodiments and the drawings
The description of step.
As shown in figure 1, this application discloses a kind of Internet of Things gas meter controller based on LoRa spread spectrum technics, bag
Microcontroller, LED indicating circuit, spread spectrum radio communication module, data memory module, valve control module, analog pulse are included
Counting module and power management module.
Microcontroller respectively with LED indicating circuit, spread spectrum radio communication module, data memory module, valve control module,
Analog pulse counting module and power management module are connected.As a kind of embodiment, microcontroller uses high-performance micro energy lose
Single-chip microcomputer R7F0C019.
LED indicating circuit includes LED light emitting diodes.The state of LED light emitting diodes is corresponding with the state of power supply.Make
For a kind of embodiment, using red LED diode, its one end is connected with the control end of microcontroller, other end with
Power supply is connected.Microcontroller controls the flicker of LED light emitting diodes according to the operational factor of gas meter, flow meter, extinguished and length bright three in real time
Kind of state, indicates respectively that power supply low-voltage, system in system operation be normal and three kinds of situations of Setting pattern, reaches succinct people
Machine interaction effect.
Spread spectrum radio communication module is LoRa spread spectrum radio communication modules, and it passes through the communication of spi bus and microcontroller
End is connected.As a kind of embodiment, LoRa spread spectrum radio communications module uses SX1278 wireless communication modules.
Data memory module includes memory AT24C02.Memory AT24C02 passes through I2C buses and microcontroller
Communication terminal is connected.
Valve control module includes integrated circuit DRV8837 and reverse impulse eliminates circuit.The input of valve control module
End is connected with microcontroller, and output end is connected with actual valve.
Analog pulse counting module uses dipulse metering method, not only can detect metrical pulse but also can detect extraneous magnetic and has done
Disturb, and metrical pulse signal and magnetic disturbance pulse signal are sent to microcontroller.When microcontroller receives metrical pulse signal
Metering calculation process is carried out, the valve driving circuit can be controlled to close valve when receiving magnetic disturbance pulse signal.Measure arteries and veins
It is low level signal to rush signal and magnetic disturbance pulse signal.
Power management module includes mu balanced circuit, voltage detection circuit and idle capacity.The output end of mu balanced circuit
Mouth is connected with microcontroller, LED indicating circuit with the power input port of spread spectrum radio communication module.Supply voltage detection electricity
Road is connected with the voltage detecting port of microcontroller.Idle capacity is connected with system main power source.Idle capacity and main power source net
Network is connected, it is ensured that system normal switching-off valve and can preserve service data in the case of powered-off fault.As a kind of real
Mode is applied, mu balanced circuit is integrated circuit RH5RZ36CA, and voltage detection circuit is integrated circuit RH3111H451A.
During utility model works, the state that microcontroller completes modules according to system operational parameters first is initial
Change, according to working conditions such as metering, communication, the valve switch of real time execution state modulator gas meter, flow meter of gas meter, flow meter.Microcontroller
According to default wireless communication parameters Automatic-searching LoRa cordless communication networks and network is actively added, equipment is stood after networking successfully
The real time information such as the operational factor, equipment state, accumulative gas consumption of equipment are sent to network；Equipment is every 24 under networking state
Hour timing uploads primary equipment information and detects whether network is normal, and the descending of network can be handled in time after uploading data success
Data, realize that remote monitoring, long-range Valve controlling etc. are operated.Equipment is micro- in the case where being connected to LoRa cordless communication networks
Controller when detecting the failures such as low electric, the antimagnetic, power down of system power supply can the current running state information of automatic uploading system,
Realize gas meter, flow meter failure real-time report function.
Utility model works are reliable and stable, and communication distance is remote, the wireless self-networking work(based on LoRa spread spectrum technics
The maintenance cost of gas meter, flow meter can be largely reduced with remote meter-reading function, the operating efficiency of gas company is improved, is
Gas company is done provides favourable guarantee with the qi leel phase.
Embodiment of the present utility model is described in detail above, but the content is only of the present utility model preferable
Embodiment, it is impossible to be considered as being used to limit practical range of the present utility model.All impartial changes made according to the utility model scope
Change and improvement etc., all should still be belonged within this patent covering scope.
Claims (8)
1. a kind of Internet of Things gas meter controller based on LoRa spread spectrum technics, it is characterised in that：Including microcontroller, expand
Frequency wireless communication module, LED indicating circuit, data memory module, valve control module, analog pulse counting module and power supply pipe
Manage module；
The microcontroller respectively with spread spectrum radio communication module, data memory module, valve control module, LED indicating circuit,
Analog pulse counting module is connected with power management module；
The relevant parameter of the data memory module storage control；
The analog pulse counting module using double metrical pulse modes, for gauge check gas meter, flow meter character wheel rotation and to micro-
Controller sends pulse signal.
2. the Internet of Things gas meter controller according to claim 1 based on LoRa spread spectrum technics, it is characterised in that：
The microcontroller is RF70C019 single-chip microcomputers.
3. the Internet of Things gas meter controller according to claim 1 or 2 based on LoRa spread spectrum technics, its feature exists
In：The spread spectrum radio communication module is LoRa spread spectrum radio communication modules, and it passes through spi bus and the communication terminal of microcontroller
It is connected.
4. the Internet of Things gas meter controller according to claim 3 based on LoRa spread spectrum technics, it is characterised in that：
The LoRa spread spectrum radio communications module is SX1278 spread spectrum radio communication modules.
5. the Internet of Things gas meter controller according to claim 1 or 2 based on LoRa spread spectrum technics, its feature exists
In：The power management module includes mu balanced circuit, voltage detection circuit and idle capacity；
The power input of the output port and microcontroller of the mu balanced circuit, LED indicating circuit and spread spectrum radio communication module
Port is connected；The voltage detection circuit is connected with the voltage detecting port of microcontroller；The idle capacity and
System main power source is connected.
6. the Internet of Things gas meter controller according to claim 1 or 2 based on LoRa spread spectrum technics, its feature exists
In：The valve control module includes integrated circuit DRV8837 and reverse impulse eliminates circuit；The input of valve control module
It is connected with microcontroller, output end is connected with the valve of gas meter, flow meter.
7. the Internet of Things gas meter controller according to claim 1 or 2 based on LoRa spread spectrum technics, its feature exists
In：The analog pulse counting module is additionally operable to the extraneous magnetic interference signal of sensing, and sends anti-magnetic signal to microcontroller；
The microcontroller is detecting anti-magnetic signal time control valve control module closing valve.
8. the Internet of Things gas meter controller according to claim 1 or 2 based on LoRa spread spectrum technics, its feature exists
In：The LED indicating circuit includes LED light emitting diodes；The state of the LED light emitting diodes is relative with the state of power supply
Should.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621242937.0U CN206542445U (en) | 2016-11-18 | 2016-11-18 | A kind of Internet of Things gas meter controller based on LoRa spread spectrum technics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621242937.0U CN206542445U (en) | 2016-11-18 | 2016-11-18 | A kind of Internet of Things gas meter controller based on LoRa spread spectrum technics |
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| Publication Number | Publication Date |
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| CN206542445U true CN206542445U (en) | 2017-10-03 |
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| CN201621242937.0U Active CN206542445U (en) | 2016-11-18 | 2016-11-18 | A kind of Internet of Things gas meter controller based on LoRa spread spectrum technics |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107781646A (en) * | 2017-11-21 | 2018-03-09 | 中煤航测遥感集团有限公司 | Natural gas monitoring system |
-
2016
- 2016-11-18 CN CN201621242937.0U patent/CN206542445U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107781646A (en) * | 2017-11-21 | 2018-03-09 | 中煤航测遥感集团有限公司 | Natural gas monitoring system |
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