CN208000465U - A kind of polymorphic type Internet of Things gas meter apparatus - Google Patents
A kind of polymorphic type Internet of Things gas meter apparatus Download PDFInfo
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- CN208000465U CN208000465U CN201721669448.8U CN201721669448U CN208000465U CN 208000465 U CN208000465 U CN 208000465U CN 201721669448 U CN201721669448 U CN 201721669448U CN 208000465 U CN208000465 U CN 208000465U
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Abstract
A kind of polymorphic type Internet of Things gas meter apparatus is claimed in the utility model comprising:One controller, and respectively interface circuit, RTC real-time clocks, LCD LCD interfaces, power supply and low-voltage detection circuit, EEROM interface circuits, electrical valve controling circuit, interface of internet of things circuit and acousto-optic indicating circuit are counted with the combustion gas of the controller diconnected;Utility model device is applicable to the Internet of Things communication module and agreement of current main-stream, the production convenient for the Internet of Things gas meter, flow meter of different demands and installation arrangement.Both the Internet of Things communication requirement of different user had been met, and had adapted to the unified low cost produced greatly of factory and require.
Description
Technical field
The utility model belongs to gas meter, flow meter metering field, particularly belongs to a kind of polymorphic type Internet of Things gas meter apparatus.
Background technology
In existing gas meter, flow meter technical field, it is wide that different low-power consumption Internet of Things has been respectively adopted in existing Internet of Things gas meter, flow meter
Field network communication agreement, such as four big Internet of Things GPRS, NB-IOT, LoRa, SigFox, original Internet of Things gas meter, flow meter is for each
Kind wireless communication object is required for developing corresponding gas meter apparatus, is unfavorable for the large-scale production of factory, is also unfavorable for dropping
Low burn gas meter cost.The present invention proposes a kind of universal Internet of Things gas combustion apparatus, is applicable to the Internet of Things Network Communication of current main-stream
Module and agreement, the production convenient for the Internet of Things gas meter, flow meter of different demands and installation arrangement.Both the Internet of Things of different user had been met
Communication requirement adapts to the unified low cost produced greatly of factory and requires.
Utility model content
The utility model aims to solve the problem that the above problem of the prior art.Propose a kind of reduction production cost, versatile
Polymorphic type Internet of Things gas meter apparatus.The technical solution of the utility model is as follows:
A kind of polymorphic type Internet of Things gas meter apparatus, which is characterized in that including:One controller, and respectively with the control
The combustion gas of device diconnected counts interface circuit, RTC real-time clocks, LCD LCD interfaces, power supply and low voltage test electricity
Road, EEROM interface circuits, electrical valve controling circuit, interface of internet of things circuit and acousto-optic indicating circuit;The combustion gas counts interface
Circuit is used to carry out step-by-step counting measurement to gas flow, and the RTC real-time clocks are used for system real-time time, fixed convenient for timing
Phase active upload gas meter, flow meter data and state, LCD LCD interfaces are for showing real-time gas meter, flow meter data and unit state, electricity
Source and low-voltage detection circuit are used to provide accessory power supply for device, while user is reminded when detecting that supply voltage is relatively low,
EEROM deposits accumulator interface circuit for storing gas meter, flow meter metering and status history data, convenient for inquiry, electrical valve controling circuit
For controlling gas meter, flow meter burnt gas switch valve, interface of internet of things circuit is for gas meter apparatus information data to be wirelessly uploaded to far
Square object networking data center, acousto-optic indicating circuit are used for the instruction of device normal condition, guard mode and alarm condition.
Further, the controller is the control centre of whole system, using the microcontroller of STM8L052R8T6 models.
Further, the power supply uses high frequency switch power buck controller LTC3621, by gas meter, flow meter cell voltage
VBAT decompressions are 3.3V, and supply controller is used, and L1 is that energy storage inductor selects XFL4020-472ME, R2 and R4 to form Voltage Feedback
Circuit.
Further, the EEROM memories select FM24CL64B-G, and the communication mode with controller is SPI serially outer
If interface bus.
Further, the controller is connected to Internet of Things communication controler by interface of internet of things circuit, and uses string
Protocol communication is fixed in mouth, ensures the compatibility for all types of internet of things equipment.
Further, the internet of things net controller selects low-power scm PIC24F08KL302-I/SO, Internet of Things network control
Device processed is carried out from different interface of internet of things according to setting selection communication, interface of internet of things include GPRS interfaces, NB-IOT interfaces,
The selection of LORA interfaces, sigFox interfaces, the GPRS interfaces select M35D modules, NB-IOT interfaces to select M5310, LORA interface
ZM470, sigFox interface is selected to select the CC1125 of TI companies.
It the advantages of the utility model and has the beneficial effect that:
Utility model device combines the Internet of Things communication protocol and interface of current main-stream, and providing industrial erecting bed can
The Internet of Things option of configuration.Existing unified Internet of Things gas meter, flow meter framework, and have abundant Internet of Things peripheral type.Realize object
The hardware configuration of networking gas meter, flow meter, uses on demand.The production cost for reducing enterprise's universal class type Internet of Things gas meter, flow meter, improves object
The compatibility and competitiveness of networking gas meter, flow meter.
Description of the drawings
Fig. 1 is that the utility model provides preferred embodiment devices system architecture schematic diagram;
Fig. 2 is power supply schematic diagram;
Fig. 3 is EEROM memory circuit figures;
Fig. 4 is Internet of Things communication system architecture schematic diagram;
Fig. 5 is polymorphic type Internet of Things network communication system basic circuit.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It is clear, describe in detail.Described embodiment is only a part of the embodiment of the utility model.
Firstly the need of explanation, about the relative program of CPU processing and its program of communication module in the utility model
It is not the inventive point to be protected of the utility model, being those skilled in the art need not make the creative labor and can obtain
, what the utility model to be protected is its each circuit or/module and connection relation before, and its specific component used,
Achieve the purpose that low-power consumption is measured.
The utility model solve above-mentioned technical problem technical solution be:
Operation principle:General function is that gas metering is transmitted with Internet of Things data, and system is controlled total by singlechip controller
Body running flow converts gas meter, flow meter battery supply to the required 3.3V direct currents of system work by power supply and low-voltage detection circuit
Power supply, low-voltage detection circuit judge gas meter, flow meter cell voltage, and when low-voltage reminds user to replace.System is by controlling gas meter, flow meter
Motor valve is opened or closed blast tube, and counting interface by combustion gas provides gas flow counting, and count number is shown by LCD
Show, while being stored in EEROM memories.System according to the timing of RTC real-time clocks by Internet of Things communication interface, with system configuration
Internet of Things type carry out data remote.And system mode instruction is carried out by acousto-optic warning unit.
- Fig. 5 show a kind of polymorphic type Internet of Things gas meter apparatus referring to Fig.1 comprising:One controller, and respectively with
The combustion gas of the controller diconnected counts interface circuit, RTC real-time clocks, LCD LCD interfaces, power supply and low-voltage
Detection circuit, EEROM interface circuits, electrical valve controling circuit, interface of internet of things circuit and acousto-optic indicating circuit;The combustion gas meter
Number interface circuit is used to carry out step-by-step counting measurement to gas flow, and the RTC real-time clocks are used for system real-time time, are convenient for
Periodically active upload gas meter, flow meter data and state, LCD LCD interfaces are used to show real-time gas meter, flow meter data and device for timing
State, power supply and low-voltage detection circuit are used to provide accessory power supply for device, while being carried when detecting that supply voltage is relatively low
Wake up user, and EEROM deposits accumulator interface circuit for storing gas meter, flow meter metering and status history data, convenient for inquiry, electrical valve
Control circuit is used for gas meter apparatus information data is wireless for controlling gas meter, flow meter burnt gas switch valve, interface of internet of things circuit
Upload afield Internet of Things data center, finger of the acousto-optic indicating circuit for device normal condition, guard mode and alarm condition
Show.
2.1 controller
Controller is the control centre of whole system, using the microcontroller of STM8L052R8T6 models.
2.2 power supply
As shown in Fig. 2, power supply uses high frequency switch power buck controller LTC3621, by gas meter, flow meter cell voltage
VBAT decompressions are 3.3V, and supply control system is used.L1 is that energy storage inductor selects XFL4020-472ME, R2 and R4 composition voltage anti-
Current feed circuit.
2.3 EEROM memory circuits
As shown in figure 3, EEROM memories select FM24CL64B-G.Communication mode with controller is spi bus.
2.3 interface of internet of things circuits
Interface of internet of things between system controller and Internet of Things communication controler using serial ports as shown in figure 4, be fixed
Protocol communication ensures that the compatibility for all types of internet of things equipment, internet of things net controller select low-power scm
PIC24F08KL302-I/SO, internet of things net controller are carried out from different interface of internet of things according to setting selection communication, Internet of Things
Interface includes that GPRS interfaces select M35D modules, NB-IOT interfaces that M5310, LORA interface is selected to select ZM470, sigFox interface
Select the CC1125 of TI companies.
Basic circuit is as shown in figure 5, internet of things net controller is opened by engineering staff according to the dial-up that Internet of Things type is arranged
It closes, obtains current Internet of Things communication type, controlling bus and the type of drive of communication bus are determined according to type, with Internet of Things Netcom
Believe that module carries out data exchange, and control returned data etc. is executed according to the calling order of gas meter controller.
The above embodiment is interpreted as being merely to illustrate the utility model rather than limits the guarantor of the utility model
Protect range.After the content for the record for having read the utility model, technical staff can make the utility model various changes
Or modification, these equivalence changes and modification equally fall into the utility model claims limited range.
Claims (7)
1. a kind of polymorphic type Internet of Things gas meter apparatus, which is characterized in that including:One controller, and respectively with the controller
Combustion gas counting interface circuit, RTC real-time clocks, LCD LCD interfaces, power supply and the low-voltage detection circuit of diconnected,
EEROM interface circuits, electrical valve controling circuit, interface of internet of things circuit and acousto-optic indicating circuit;The combustion gas counts interface electricity
Road is used to carry out step-by-step counting measurement to gas flow, and the RTC real-time clocks are used for system real-time time, periodically convenient for timing
Active upload gas meter, flow meter data and state, LCD LCD interfaces are for showing real-time gas meter, flow meter data and unit state, power supply
And low-voltage detection circuit is used to provide accessory power supply for device, while user is reminded when detecting that supply voltage is relatively low,
EEROM deposits accumulator interface circuit for storing gas meter, flow meter metering and status history data, and electrical valve controling circuit is for controlling
Gas meter, flow meter burnt gas switch valve, interface of internet of things circuit are used to gas meter apparatus information data wirelessly uploading afield Internet of Things
Data center, acousto-optic indicating circuit are used for the instruction of device normal condition, guard mode and alarm condition.
2. polymorphic type Internet of Things gas meter apparatus according to claim 1, which is characterized in that the controller is to be entirely
The control centre of system, using the microcontroller of STM8L052R8T6 models.
3. polymorphic type Internet of Things gas meter apparatus according to claim 1, which is characterized in that the power supply is opened using high frequency
The VBAT decompressions of gas meter, flow meter cell voltage are 3.3V by powered-down source buck controller LTC3621, and supply controller is used, and L1 is storage
It can inductance selection XFL4020-472ME, R2 and R4 composition voltage feedback circuit.
4. polymorphic type Internet of Things gas meter apparatus according to claim 1, which is characterized in that the EEROM memories choosing
With FM24CL64B-G, the communication mode with controller is SPI serial peripheral interface bus.
5. polymorphic type Internet of Things gas meter apparatus according to claim 1, which is characterized in that the controller passes through Internet of Things
Network interface circuit is connected to Internet of Things communication controler, and protocol communication is fixed using serial ports, ensures for all types of objects
The compatibility of networked devices.
6. polymorphic type Internet of Things gas meter apparatus according to claim 5, which is characterized in that the Internet of Things communication control
Device selects low-power scm PIC24F08KL302-I/SO, Internet of Things communication controler to carry out root from different interface of internet of things
According to setting selection communication, interface of internet of things includes GPRS interfaces, NB-IOT interfaces, the selection of LORA interfaces, sigFox interfaces, institute
Stating GPRS interfaces selects M35D modules, NB-IOT interfaces to select M5310, LORA interface that ZM470, sigFox interface is selected to select TI
The CC1125 of company.
7. polymorphic type Internet of Things gas meter apparatus according to claim 1, which is characterized in that the electrical valve controling circuit
Using transistor drive circuit, acousto-optic indicating circuit uses ULN2803 driving circuits, and RTC real-time clocks are using built-in crystal oscillator
High precision clock chip PCF2129T, LCD LCD interface uses parallel bus interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721669448.8U CN208000465U (en) | 2017-12-04 | 2017-12-04 | A kind of polymorphic type Internet of Things gas meter apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721669448.8U CN208000465U (en) | 2017-12-04 | 2017-12-04 | A kind of polymorphic type Internet of Things gas meter apparatus |
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| Publication Number | Publication Date |
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| CN208000465U true CN208000465U (en) | 2018-10-23 |
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| CN201721669448.8U Active CN208000465U (en) | 2017-12-04 | 2017-12-04 | A kind of polymorphic type Internet of Things gas meter apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114490486A (en) * | 2022-01-28 | 2022-05-13 | 深圳友讯达科技股份有限公司 | Bus hardware architecture for gas meter and gas meter |
-
2017
- 2017-12-04 CN CN201721669448.8U patent/CN208000465U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114490486A (en) * | 2022-01-28 | 2022-05-13 | 深圳友讯达科技股份有限公司 | Bus hardware architecture for gas meter and gas meter |
| CN114490486B (en) * | 2022-01-28 | 2024-05-10 | 深圳友讯达科技股份有限公司 | Bus hardware architecture for gas meter and gas meter |
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