CN209706883U - A kind of intelligent gas meter - Google Patents
A kind of intelligent gas meter Download PDFInfo
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- CN209706883U CN209706883U CN201822063684.6U CN201822063684U CN209706883U CN 209706883 U CN209706883 U CN 209706883U CN 201822063684 U CN201822063684 U CN 201822063684U CN 209706883 U CN209706883 U CN 209706883U
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- gas meter
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- intelligent gas
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Abstract
The utility model provides a kind of intelligent gas meter, including controller assemblies, the controller assemblies are made of pedestal, bracket, battery case, upper cover, nameplate, intelligent controller, the intelligent controller includes, single-chip microcontroller, GPRS module, gas metering, valve drive module, CPU card circuit module, data storage circuitry module, power module, by chip microcontroller to the real-time control of system；By GPRS module realization data, real-time, transmitted in both directions, user pass through the data that Internet obtains gas meter, flow meter using system or APP；Fuel gas temperature, pressure detecting are used simultaneously, utilize data, temperature and pressure compensation is carried out in gas meter, flow meter working range, to correct combustion gas volume, guarantees the computational accuracy of combustion gas, improved gas metering mode is used simultaneously, the accuracy for guaranteeing gas metering acquisition, is driven using valve, using integrated chip, guarantee the reliability of valve driving, guarantees combustion gas safety in utilization.
Description
Technical field
The utility model relates to a kind of gas meter, flow meter more particularly to a kind of intelligent gas meters.
Background technique
The popularization and application of intelligent meter data recording system by the further metering for pushing public energy source and copy and accept automation, gradually real
The real-time dynamic monitoring of existing energy supply pushes the management upgrading of China's tap water, combustion (coal) air and heat power, Utilities Electric Co., helps
Enterprise solves that meter reading is difficult, difficult charge, and meter reading works under hard conditions, low efficiency, large labor intensity, the common problems such as uncontrollable, helps
Enterprise innovation customer service management mode and message transmission mode reduce and link up cost, improve resource utilization and customer loyalty
Degree, enhances Corporation Competitive Advantage, and prominent enterprise's public character, public welfare, basic feature improve operation, the management of gas enterprise
Benefit, and then help the double attribute of gas enterprise realization utility and social industry.
Utility model content
The purpose of this utility model is that in view of the above shortcomings of the prior art, providing a kind of intelligent gas meter, in real time
Control can complete GPRS data transmitting-receiving, temperature, pressure detects, gas metering acquires, the task of valve switch.
To achieve the above object, the utility model adopts the technical scheme that
The utility model provides a kind of intelligent gas meter, including controller assemblies, and the controller assemblies are by pedestal, branch
Frame, battery case, upper cover, nameplate, intelligent controller composition；
The intelligent controller includes:
Single-chip microcontroller: GPRS communication, CPU card processing, valve driving, temperature, pressure detection, gas metering are realized；
GPRS module: when the single-chip microcontroller internal clocking is confirmed as timing uplink time, starting GPRS communication will be current
Gas meter, flow meter information is uploaded to cloud server, while cloud server will be transmitted to intelligent gas meter end under newest control information,
It is adjusted in real time；
Gas metering: the single-chip microcontroller periodically controls infrared tube and carries out detection metering signal；
Temperature, pressure detection module: the single-chip microcontroller actively passes through communication mode, the numerical value of temperature collection, pressure；
Valve drive module: the single-chip microcontroller is according to the currently running state of intelligent gas meter, to judge whether to
Switch valve processing；
CPU card circuit module: user is imported in intelligent gas meter using data in CPU card card；
Data storage circuitry module: the storage for intelligent gas meter data；
Human-computer interaction circuit module: the state of current intelligent gas meter is identified for user；
Power module: power supply is provided to system.
Further, the cloud server includes Monitor Computer Control System and APP gold house keeper.
Further, the external circuit of the single-chip microcontroller includes the reset circuit for providing steady operational status for single-chip microcontroller, mentions
The power circuit of power supply is provided for the clock circuit of single-chip microcontroller operating instruction clock, programming circuit and for the work of whole system.
Further, the single-chip microcontroller carries out data communication by USART with the GPRS module.
Further, temperature, pressure detection module includes temperature sensor and pressure sensor, and the temperature sensor includes
Two two-wire system serial line interfaces.
Further, the valve drive module manipulates valve driving machine by IN1 and IN2.
Further, the human-computer interaction circuit module include LED light, buzzer, using IIC circuit liquid crystal display and by
Key.
The utility model has the following beneficial effects: by chip microcontroller to the real-time control of system；Pass through GPRS module reality
Existing data in real time, transmitted in both directions, the data that user passes through Internet acquisition gas meter, flow meter using system or APP；It adopts simultaneously
Temperature and pressure compensation is carried out in gas meter, flow meter working range using data with fuel gas temperature, pressure detecting, so that combustion gas volume is corrected,
Guarantee the computational accuracy of combustion gas, while using improved gas metering mode, guarantees the accuracy of gas metering acquisition, using valve
Door driving guarantees the reliability of valve driving using integrated chip, guarantees combustion gas safety in utilization.
Detailed description of the invention
Fig. 1 is a kind of block diagram of intelligent gas meter of the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, with reference to the accompanying drawing, to this reality
It is further elaborated with novel.It should be appreciated that specific embodiment described herein is only to explain the utility model,
It is not used to limit the utility model.
Referring to Fig. 1, a kind of intelligent gas meter, including controller assemblies, the controller assemblies are by pedestal, bracket, electricity
Pond box, upper cover, nameplate, intelligent controller composition；
The intelligent controller includes:
Single-chip microcontroller 1: GPRS communication, CPU card processing, valve driving, temperature, pressure detection, gas metering are realized；
The model PIC24FJ64GA306-I/PT of single-chip microcontroller, the single-chip microcontroller are 16 single-chip microcontrollers and DSC equipment, 16 numbers
According to the width of line, possess 10/12,16 tunnel AD.
GPRS module 6: when the single-chip microcontroller internal clocking is confirmed as timing uplink time, starting GPRS communication will work as
Preceding gas meter, flow meter information is uploaded to cloud server, while cloud server will be transmitted to intelligent gas meter under newest control information
End, is adjusted in real time；
Gas metering 8: the single-chip microcontroller periodically controls infrared tube and carries out detection metering signal；
Wherein, gas meter, flow meter metering refers to that controller rotates gear using mechanical structure, and then single-chip microcontroller periodically controls red
Outer tube carries out detection metering signal, to signal collected carry out data combing analysis, thus calculating combustion gas use tolerance, most
Carry out increasing the clearing of tolerance afterwards.
Temperature, pressure detection module 7: the single-chip microcontroller actively passes through communication mode, the numerical value of temperature collection, pressure；
Wherein, when intelligent gas meter carries out the detection of the temperature and pressure in current table, first by electric power starting, then lead to
The output that iic bus carries out digital signal is crossed, temperature sensor and pressure sensor are successively opened according to IIC, carry out starting number
According to acquisition, the analog signal of certain time length is waited to convert, the digital quantity after reading internal conversion.
Wherein, the working principle of temperature, pressure detection module are as follows: outside inside diaphragm of the extraneous gas to sensor generates
Portion's pressure, so the sensor in diaphragm can generate a thin tail sheep in proportional pressure, right latter sensors are generated
Resistance variations, finally the chip will continue to test the change procedure of internal electronics, and convert transmission one relative to this
The digital quantity signal parameter of pressure.
Valve drive module 2: the single-chip microcontroller is according to the currently running state of intelligent gas meter, to judge whether to
Switch valve processing；
Wherein, valve driving chip used in valve drive module is DRV8837DSGR, this device can star direct current
Motivation or other equipment, such as solenoid valve.Output driver block is made of the N channel power MOSFET that an equipment is H bridge, to open
Dynamic direct current generator winding, voltage needed for can produce driving grid in the energy of a charge that derives of circuit of device inside.
Output end OUT2 and the OUT1 interface of DRV8837DSGR chip is connected on an attachment base, is finally and combustion gas
Meter valve motor bipod is attached, the input control end as valve driving machine.
CPU card circuit module 9: user is imported in intelligent gas meter using data in CPU card card；
Wherein, single-chip microcontroller is supplied by the power supply that switching circuit controls CPU card modular circuit and ESAM module, can be reduced
Circuit power consumption in non-use makes IC-MCU-CardIN level from high level to low level when CPU card is inserted into deck, interrupts
It triggers MCU and carries out CPU card operation；The power supply of CPU card and ESAM is opened in the control of MCU first, and down trigger MCU carries out CPU card behaviour
Make；
The power supply of CPU card and ESAM is opened in the control of MCU first, then initializes CPU card, reads CPU card parameter, then
Key authentication is obtained in ESAM, just can be carried out corresponding parameter reading and writing operation, to complete the reading and writing data of primary complete CPU card
Then operation carries out liquid crystal tip corresponding operating information.
Data storage circuitry module 4: the storage for intelligent gas meter data；
Wherein, for intelligent gas meter, user needs to parameters storages such as combustion gas cumulative amount, residual amount, remaining tolerance
12 months or more, it is convenient for data traceability；
Data storage circuitry module is the storage circuit that FM24V05-GTR device is designed, this circuit uses the side IIC
Formula, power supply is controllable by MCU, low in energy consumption, simple and practical.
Human-computer interaction circuit module 5: the state of current intelligent gas meter is identified for user；
Power module: power supply is provided to system.
The cloud server includes Monitor Computer Control System and APP gold house keeper.
Monitor Computer Control System: the information of the upload at gas meter, flow meter end is analyzed；
APP gold house keeper: gas meter, flow meter user can be used APP and carry out the service of supplementing with money to table, while can also be understood by APP
The gas meter, flow meter current state of family is paid close attention to use gas situation in real time.
The external circuit of the single-chip microcontroller includes the reset circuit for providing steady operational status for single-chip microcontroller, provides single-chip microcontroller
The clock circuit of operating instruction clock, programming circuit and the power circuit of power supply is provided for the work of whole system.
Wherein, reset circuit is completed by RC circuit, and output low level is effective reset signal, in order to keep single-chip microcontroller reliable
It resets, general effective reset signal can continue 10mS or so.In addition, the reset of one small resistance connection reset circuit and single-chip microcontroller
Between pin MCLR, avoid being made by static discharge or MCLR pin generation electric overload from external capacitive which has limited any electric current
At damage flowing.
The clock of single-chip microcontroller carries out clock configuration using internal HIS crystal oscillator and outside LSE crystal oscillator, inside.
Programming circuit uses ICSP circuit, and ICSP interface circuit only needs single-chip microcontroller to draw 2 data lines, and ICSP circuit can
Carry out the debugging of system program and the downloading of program.
The single-chip microcontroller carries out data communication by USART with the GPRS module.
Temperature, pressure detection module includes temperature sensor and pressure sensor, and the temperature sensor includes two two lines
Serial line interface processed.
The valve drive module manipulates valve driving machine by IN1 and IN2.
The human-computer interaction circuit module includes LED light, buzzer, the liquid crystal display using IIC circuit and key.
Key circuit includes pull-up resistor 110k, to guarantee to keep a stable high level state, resistance and
One capacitor forms a RC filtering, removes in use, some external disturbances.
Using the liquid crystal display of IIC circuit, it will be appreciated that the remaining capacity of intelligent gas meter, time, with gas cumulative amount, use
Gas surplus, with gas price lattice, valve state, pipe temperature pressure and other parameters, using LCD drive chip PCF8553DTT/A.
Buzzer: patch type is used.
LED light: single surface pasting is carried out.
The above-mentioned embodiments merely express the embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Therefore it cannot be interpreted as that a limitation on the scope of the patent of the present invention.It should be pointed out that for the ordinary skill of this field
For personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this
The protection scope of utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (6)
1. a kind of intelligent gas meter, including controller assemblies, the controller assemblies are by pedestal, bracket, battery case, upper cover, inscription
Board, intelligent controller composition, it is characterised in that:
The intelligent controller includes:
Single-chip microcontroller: GPRS communication, CPU card processing, valve driving, temperature, pressure detection, gas metering are realized；
GPRS module: when the single-chip microcontroller internal clocking is confirmed as timing uplink time, starting GPRS communication, by current gas
Table information is uploaded to cloud server, while cloud server will be transmitted to intelligent gas meter end under newest control information, carries out
Adjustment in real time；
Gas metering: the single-chip microcontroller periodically controls infrared tube and carries out detection metering signal；
Temperature, pressure detection module: the single-chip microcontroller actively passes through communication mode, the numerical value of temperature collection, pressure；
Valve drive module: the single-chip microcontroller is according to the currently running state of intelligent gas meter, to judge whether to switch
Valve processing；
CPU card circuit module: user is imported in intelligent gas meter using data in CPU card card；
Data storage circuitry module: the storage for intelligent gas meter data；
Human-computer interaction circuit module: the state of current intelligent gas meter is identified for user；
Power module: power supply is provided to system.
2. a kind of intelligent gas meter according to claim 1, it is characterised in that: the external circuit of the single-chip microcontroller includes being
Single-chip microcontroller provide the reset circuit of steady operational status, provide the clock circuit of single-chip microcontroller operating instruction clock, programming circuit and
The power circuit of power supply is provided for the work of whole system.
3. a kind of intelligent gas meter according to claim 1, it is characterised in that: the single-chip microcontroller and the GPRS module are logical
It crosses USART and carries out data communication.
4. a kind of intelligent gas meter according to claim 1, it is characterised in that: temperature, pressure detection module includes that temperature passes
Sensor and pressure sensor, the temperature sensor include two two-wire system serial line interfaces.
5. a kind of intelligent gas meter according to claim 1, it is characterised in that: the valve drive module is by IN1 and IN2
Valve driving machine is manipulated.
6. a kind of intelligent gas meter according to claim 1, it is characterised in that: the human-computer interaction circuit module includes
LED light, buzzer, the liquid crystal display using IIC circuit and key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822063684.6U CN209706883U (en) | 2018-12-10 | 2018-12-10 | A kind of intelligent gas meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822063684.6U CN209706883U (en) | 2018-12-10 | 2018-12-10 | A kind of intelligent gas meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209706883U true CN209706883U (en) | 2019-11-29 |
Family
ID=68637497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822063684.6U Active CN209706883U (en) | 2018-12-10 | 2018-12-10 | A kind of intelligent gas meter |
Country Status (1)
| Country | Link |
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| CN (1) | CN209706883U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111486915A (en) * | 2020-04-17 | 2020-08-04 | 苏州燃气集团有限责任公司 | Gas flow decomposition monitoring intelligent gas meter and gas flow decomposition monitoring method |
| CN114673819A (en) * | 2020-12-24 | 2022-06-28 | 金卡智能集团股份有限公司 | Multi-valve self-adaption method and system and gas meter |
-
2018
- 2018-12-10 CN CN201822063684.6U patent/CN209706883U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111486915A (en) * | 2020-04-17 | 2020-08-04 | 苏州燃气集团有限责任公司 | Gas flow decomposition monitoring intelligent gas meter and gas flow decomposition monitoring method |
| CN111486915B (en) * | 2020-04-17 | 2022-06-21 | 苏州燃气集团有限责任公司 | Gas flow decomposition monitoring intelligent gas meter and gas flow decomposition monitoring method |
| CN114673819A (en) * | 2020-12-24 | 2022-06-28 | 金卡智能集团股份有限公司 | Multi-valve self-adaption method and system and gas meter |
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