CN204791294U - Intelligent gas meter with SX1278 module - Google Patents
Intelligent gas meter with SX1278 module Download PDFInfo
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- CN204791294U CN204791294U CN201520525386.8U CN201520525386U CN204791294U CN 204791294 U CN204791294 U CN 204791294U CN 201520525386 U CN201520525386 U CN 201520525386U CN 204791294 U CN204791294 U CN 204791294U
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- 238000007726 management method Methods 0.000 description 7
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- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model relates to an intelligent gas meter with an SX1278 module, which comprises a microprocessor, a data storage module, an IC card interface module, an SX1278 wireless communication module, a liquid crystal display screen, a power input module, a voltage stabilizing and detecting circuit, a large-function energy storage capacitor unit, a counting and collecting module, a buzzer driving circuit and a valve control module, wherein the data storage module, the IC card interface module, the SX1278 wireless communication module, the liquid crystal display screen, the power input module, the voltage stabilizing and detecting circuit, the; and the power input module is connected with the voltage stabilizing and detecting circuit, and the voltage stabilizing and detecting circuit is connected with the voltage stabilizing and detecting circuit. The utility model relates to a take intelligent gas table of SX1278 module, it is swift convenient to check meter.
Description
Technical field
The utility model relates to a kind of gas metering table, especially relates to a kind of intelligent gas meter with SX1278 wireless communication module, belongs to measuring instrument technical field.
Background technology
Along with the arrival of large data age, the epoch of internet and conventional industries continuous infusions are before eyes, technological innovation and re-invent industry day and night continue to bring out, Internet of Things as national strategy new industry also progressively moves towards reality, creating smart city has been national strategy, is merged, the bottleneck got through management and control by the degree of depth of the application sustainable promotion IT application in management of technology of Internet of things and industrial information, optimize Enterprise Resource configuration, improve the competitive power of enterprise.And gas meter, flow meter industry is at present mostly or based on manual metering and IC-card table, how adapting to the needs of large data age, the competitive power of improving product, is our urgent problem.The utility model is exactly for the above reason, by market study, in conjunction with prior art, IC-card intelligent gas meter basis adds SX1278 module wireless remote transmission technology, solves the problem because above-mentioned reason produces.This technology not only has the features such as IC-card intelligent gas meter dependable performance, accurate measurement, good quality, also there is overlength distance broadband communication, high noise immunity and reduce current power dissipation to greatest extent, realize the function of the Wireless outdoor inspection under any complex environment, outdoor control, greatly facilitate the management of Gas Group company and the safe handling of resident.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, provides a kind of checking meter to be with the intelligent gas meter of SX1278 module fast and easily.
The purpose of this utility model is achieved in that
With an intelligent gas meter for SX1278 module, described intelligent gas meter includes microprocessor and is connected to data memory module on microprocessor, IC-card interface module, SX1278 wireless communication module, LCDs, Power Entry Module, voltage voltage stabilizing and testing circuit, large function storage capacitor unit, counting acquisition module, buzzer drive circuit and valve control module; And described Power Entry Module is connected with voltage voltage stabilizing and testing circuit, described voltage voltage stabilizing and testing circuit are connected with voltage voltage stabilizing and testing circuit.
A kind of intelligent gas meter with SX1278 module of the utility model, the model of microprocessor is PIC16F946.
A kind of intelligent gas meter with SX1278 module of the utility model, described SX1278 wireless communication module is connected with concentrator or the wireless telecommunications of wireless handheld meter-copy device.
A kind of intelligent gas meter with SX1278 module of the utility model, described concentrator includes processing unit, described processing unit is connected with micropower wireless data transmission module and SIM Mobile phone card, described concentrator is connected by communication by micropower wireless data transmission module or SIM Mobile phone card and management centre computer, thus realizes data upload; Described concentrator is connected by communication by micropower wireless data transmission module and intelligent gas meter, thus realizes the data downstream of intelligent gas meter.
A kind of intelligent gas meter with SX1278 module of the utility model, described wireless handheld meter-copy device includes processor, described processor is connected with key circuit, display circuit and wireless module, described wireless handheld meter-copy device is connected with intelligent gas meter wireless telecommunications by wireless module.
Compared with prior art, the beneficial effects of the utility model are:
The utility model carries out real-time Communication for Power by wireless communication module and concentrator and handheld reading meter device, and can read gas meter data and state, also can control gas meter, facilitate administrative authority to carry out inspection work, the department that can effectively strengthen management is to gas meter, flow meter and the management of user and the control with gas; The concentrator be equipped with due to the intelligent gas meter of the utility model band SX1278 module and wireless handheld meter-copy device are by carrying out radio communication with gas meter, flow meter, both data function such as inquiry gas meter, flow meter residue tolerance or remaining sum etc. can have been realized easily on concentrator and wireless handheld meter-copy device, the timing function of user when using combustion gas again by concentrator and wireless handheld meter-copy device, realize the timing controlled gas time limit and automatically report to the police, thus effectively avoid the gas safe accident that causes because of human negligence, make the use of combustion gas safer and more humane.
The utility model intelligent gas meter volume is little, steady quality, be easy to install, and simple to operate, stable, easy to maintenance, memory capacity is large, opening is good, cost performance is high, is applicable to the use of various resident's combustion gas terminal.
The intelligent gas meter of the utility model band SX1278 module can design price modification function, when needs adjustment gas price, by concentrator and handheld reading meter device, the instruction of renewal unit price is sent to appointment gas meter, flow meter, regularly or immediately can adjust gas price, effectively can reduce the loss of gas company.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of intelligent gas meter with SX1278 module of the utility model.
Fig. 2 is the functional schematic of the wireless handheld meter-copy device of a kind of intelligent gas meter with SX1278 module of the utility model.
Embodiment
See Fig. 1 and Fig. 2, a kind of intelligent gas meter with SX1278 module that the utility model relates to, described intelligent gas meter includes microprocessor and is connected to data memory module on microprocessor, IC-card interface module, SX1278 wireless communication module, LCDs, Power Entry Module, voltage voltage stabilizing and testing circuit, large function storage capacitor unit, counting acquisition module, buzzer drive circuit and valve control module; And described Power Entry Module is connected with voltage voltage stabilizing and testing circuit, described voltage voltage stabilizing and testing circuit are connected with voltage voltage stabilizing and testing circuit;
The product of what described microprocessor adopted is MICROCHIP, PIC16F946 is with lcd driver, and adopt 64 pin, 8 CMOS flash memory single-chip microcomputers of nanowatt technology, its principal feature is as follows: high-performance; Only need study 35 instructions; The incoming frequency of operating rate---oscillator/clock is DC-20MHZ, and the instruction cycle is DC-200ns; Program storage read functions; Interrupt function; 8 grades of dark hardware stacks; Directly, indirect and relative addressing pattern; Low-power consumption---standby current, when voltage is 2.0V, representative value is 100nA; Operating voltage, when frequency is 32KHZ voltage 2.0V, representative value is 8.5 ∞ A, and when frequency is 1MHZ voltage 2.0V, representative value is 100 ∞ A; House dog timing circuit, when voltage is 2.0V, representative value is 1 ∞ A;
Meanwhile, this single-chip microcomputer also has high precision internal oscillator; Energy-conservation park mode; Comparatively wide operating voltage range (2.0V ~ 5.5V); Technical grade and expansion level temperature range; Electrification reset---delayed timer and vibration starting of oscillation timer; And there is the under-voltage reset of band software control; Oscillator on strap; Programmable code is protected; High durability flash memory/EEPROM unit; Flash memory can stand 100,000 write operations; EEPROM can stand 1,000,000 write operations; Flash memory/data EEPROM retention time is greater than 40 years;
In addition: the peripheral hardware of this single-chip microcomputer has following characteristic: LCD MODULE is maximum drives 168 pixels; A/D converter---10 bit resolutions and 8 passages; 8 bit timing devices and 16 bit timing devices; Addressable universal synchronous/asynchronism transceiver; 2 seizure, to compare and PWM module;
Described IC-card interface module is used for reading and storage card information: relevant information comprises tool card and makes, mends card, card of opening an account, IC-card reparation and to user profile, system password, Status Flag with purchase tolerance etc.;
Described LCDs adopts low-power consumption LCD display, intuitively can show the tolerance information that maximum is 9999.99m3, have simultaneously prompting " valve leaves ", " valve pass ", " under-voltage ", " Card Reader abnormal ", " please pay the fees ", " residue tolerance " and etc. information;
Described Power Entry Module is mainly for microprocessor and valve control module etc. provide the power supply of DC6V;
The DC6V voltage voltage stabilizing that power supply inputs mainly becomes the linear voltage of 3.6V to be supplied to microprocessor system work by described power supply voltage stabilizing and testing circuit, when microprocessor low-voltage detection circuit detects input voltage lower than default value simultaneously, microprocessor performs preserves EEPROM data, performs and closes valve and information instruction;
Described large function storage capacitors unit refers to when external power supply breaks, and large function storage capacitors can provide power supply temporarily, so that the preservation of data and facilitate user to inquire about;
Described valve control module mainly receives the switch valve instruction that microprocessor sends, and after valve control module receives " valve opening ", " pass valve " instruction, just can realize corresponding " valve opening ", " pass valve " action;
Described counting acquisition module is to ensure that gas metering is accurate, two tongue tube double-counting patterns are adopted to carry out, can prevent high-intensity magnetic field from disturbing the accuracy of gas metering, the low level that small magnet when its principle is pulse collection on counter wheel and the adhesive of tongue tube produce is as count pulse, low level counter wheel rotates one week, small magnet adhesive two counting tongue tube, produces two pulses, and microprocessor accreditation is for once to count.If there is tongue tube to break down one or meet with strong magnetic interference, microprocessor can not receive two pulse signals and namely think fault within the regular hour, namely can send to close valve instruction and realize closing valve to valve control module and die, and ensures the accurate of metering.
Described buzzer driving circuit mainly operationally sends instruction sound for user operation or gas meter, flow meter, informs the state of gas meter, flow meter;
Described SX1278 wireless communication module is connected with microprocessor, realizes the communication contact with concentrator and wireless handheld meter-copy device, carries out the real-time transmission of data;
SX1278 wireless communication module principal feature is: FSK/GFKS technology, and LoRa(is long-range) spread spectrum; + 20dbm output power; Baud rate can reach 300kbps; High receiving sensitivity-139dbm; Low-power consumption accepts electric current: 10-12mA; Superpower anti-interference (channel rejection ratio: 56db); ISSI channel detecting function; Transmission mode: FIFO/ Direct Model (recommending FIFO pack mode); 256 FIFOTX/RX; ISM multiband, does not need demand frequency freely to use; Intelligent reset, low-voltage are monitored, timing wake-up, low-power consumption mode, park mode
Described concentrator is the data summarization equipment in a region of checking meter, and adopt high-performance 32-bit Embedded RISC CPU hardware platform, embedded software system, micro-power wireless communication and high precision technology are incorporated into the equipment of one; Concentrator is divided into upper and lower two passages, a built-in SIM Mobile phone card, and its data feedback channel can select GPRS wireless mode, micropower wireless mode or LAN (Local Area Network) mode and management centre computer to realize telecommunication; Down going channel adopts micropower wireless mode to carry out data sampling and processing and storage to its collector of administering or gas meter, flow meter.
Wireless handheld meter-copy device is in " sleep " state at ordinary times, and user can press " ON/OFF " button and open wireless handheld meter-copy device, and now telepilot is in open state; After entering operation interface, as required with the prompting of operation interface, press the function button such as corresponding " checking meter ", " Natural gas meter inspection ", " gas meter maintenance ", " Operation system setting ", after the detected gas meter numbering of input, wireless handheld meter-copy device carries out communication by wireless module and gas meter, flow meter, after certain hour, wireless handheld meter-copy device LCDs can show next step corresponding operation indicating and various data, and operator can carry out adjusting and parameters as required; When Communications failure, LCDs can show " Communications failure asks retry ", and operator can re-start operation;
In addition: it should be noted that above-mentioned embodiment is only a prioritization scheme of this patent, any change that those skilled in the art does according to above-mentioned design or improvement, all within the protection domain of this patent.
Claims (5)
1. the intelligent gas meter with SX1278 module, is characterized in that: described intelligent gas meter includes microprocessor and is connected to data memory module on microprocessor, IC-card interface module, SX1278 wireless communication module, LCDs, Power Entry Module, voltage voltage stabilizing and testing circuit, large function storage capacitor unit, counting acquisition module, buzzer drive circuit and valve control module; And described Power Entry Module is connected with voltage voltage stabilizing and testing circuit, described voltage voltage stabilizing and testing circuit are connected with voltage voltage stabilizing and testing circuit.
2. a kind of intelligent gas meter with SX1278 module as claimed in claim 1, is characterized in that: the model of microprocessor is PIC16F946.
3. a kind of intelligent gas meter with SX1278 module as claimed in claim 1, is characterized in that: described SX1278 wireless communication module is connected with concentrator or the wireless telecommunications of wireless handheld meter-copy device.
4. a kind of intelligent gas meter with SX1278 module as claimed in claim 3, it is characterized in that: described concentrator includes processing unit, described processing unit is connected with micropower wireless data transmission module and SIM Mobile phone card, described concentrator is connected by communication by micropower wireless data transmission module or SIM Mobile phone card and management centre computer, thus realizes data upload; Described concentrator is connected by communication by micropower wireless data transmission module and intelligent gas meter, thus realizes the data downstream of intelligent gas meter.
5. a kind of intelligent gas meter with SX1278 module as claimed in claim 3, it is characterized in that: described wireless handheld meter-copy device includes processor, described processor is connected with key circuit, display circuit and wireless module, described wireless handheld meter-copy device is connected with intelligent gas meter wireless telecommunications by wireless module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520525386.8U CN204791294U (en) | 2015-07-20 | 2015-07-20 | Intelligent gas meter with SX1278 module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520525386.8U CN204791294U (en) | 2015-07-20 | 2015-07-20 | Intelligent gas meter with SX1278 module |
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| CN204791294U true CN204791294U (en) | 2015-11-18 |
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| CN201520525386.8U Expired - Fee Related CN204791294U (en) | 2015-07-20 | 2015-07-20 | Intelligent gas meter with SX1278 module |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105571668A (en) * | 2016-01-13 | 2016-05-11 | 成都康伟力创科技有限公司 | Spread spectrum wireless remote transmitting gas meter and working method thereof |
| CN106251491A (en) * | 2016-07-28 | 2016-12-21 | 宁波天鑫仪表有限公司 | A kind of wireless remote transmission IC card gas meter, flow meter |
| CN107340023A (en) * | 2016-07-28 | 2017-11-10 | 宁波天鑫仪表有限公司 | A kind of Internet of Things gas meter, flow meter |
| CN107884020A (en) * | 2017-10-23 | 2018-04-06 | 苏州燃气集团有限责任公司 | A kind of low-power consumption gauge table and its system using NB IoT frameworks |
| CN108170628A (en) * | 2017-12-25 | 2018-06-15 | 东华理工大学 | A kind of water meter meter based on LORA communications |
-
2015
- 2015-07-20 CN CN201520525386.8U patent/CN204791294U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105571668A (en) * | 2016-01-13 | 2016-05-11 | 成都康伟力创科技有限公司 | Spread spectrum wireless remote transmitting gas meter and working method thereof |
| CN106251491A (en) * | 2016-07-28 | 2016-12-21 | 宁波天鑫仪表有限公司 | A kind of wireless remote transmission IC card gas meter, flow meter |
| CN107340023A (en) * | 2016-07-28 | 2017-11-10 | 宁波天鑫仪表有限公司 | A kind of Internet of Things gas meter, flow meter |
| CN107884020A (en) * | 2017-10-23 | 2018-04-06 | 苏州燃气集团有限责任公司 | A kind of low-power consumption gauge table and its system using NB IoT frameworks |
| CN108170628A (en) * | 2017-12-25 | 2018-06-15 | 东华理工大学 | A kind of water meter meter based on LORA communications |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20190720 |
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| CF01 | Termination of patent right due to non-payment of annual fee |