CN109752060A - A kind of intelligent gas meter based on embedded intelligent gas table function narrowband NB-IOT communication module group - Google Patents
A kind of intelligent gas meter based on embedded intelligent gas table function narrowband NB-IOT communication module group Download PDFInfo
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- CN109752060A CN109752060A CN201711062087.5A CN201711062087A CN109752060A CN 109752060 A CN109752060 A CN 109752060A CN 201711062087 A CN201711062087 A CN 201711062087A CN 109752060 A CN109752060 A CN 109752060A
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- 238000004891 communication Methods 0.000 title claims abstract description 44
- 239000007789 gas Substances 0.000 abstract description 91
- 238000001514 detection method Methods 0.000 abstract description 9
- 230000002411 adverse Effects 0.000 abstract description 6
- 239000000567 combustion gas Substances 0.000 abstract description 6
- 239000003034 coal gas Substances 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 239000002737 fuel gas Substances 0.000 abstract description 2
- 238000005314 correlation function Methods 0.000 description 6
- 230000000875 corresponding Effects 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000051 modifying Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000977 initiatory Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000000750 progressive Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
Affix NB-IOT communication module constitutes intelligent gas meter on the intelligent gas meter control panel that the MCU micro energy lose processor of previous intelligent gas meter is constituted, bring the problems such as at high cost, structure is complicated, power consumption is big, by realizing the metering to intelligent gas meter, Communication Control using an ARM core inside NB-IOT modem.And inventing is a kind of by gas meter, flow meter mechanical counter, direct-reading program, pulse counter module and program, interface and program can be expanded, valve control module, ladder combustion gas valence accounting module, the thief-proof leakage coal gas detection secure smartcard module of originally combustion gas, originally fuel gas alarm connects message processing module, adverse current alarm module composition, data communication protocol module, data encryption module and program and NB-IOT communication function are integrated into the dedicated NB mould group of gas meter, flow meter of a chip one, the present invention has clear principle, with easy to use, it is low in energy consumption, it is small in size, the advantages that reliability is higher, it is at high cost existing for Intelligent gas meter based on internet of things for previous NB module composition, the problems such as power consumption is big is made that improvement.
Description
Technical field
The present invention relates to a kind of intelligent gas meters, more particularly to one kind based on embedded intelligent gas table function narrowband NB-
The intelligent gas meter of IOT communication module group.
Background technique
The professional standard (R13, R14 a part) of NB-IOT was formulated in 3GPP meeting in 2016, and in release quotient in 2017
With NB mould group, and according to the 3GPP agreement of NB-IOT, traditional Internet of Things transmission using 2G net GPRS technology, due to its transmitting
Power is big, and power consumption is big, and link operation is not high enough causes its area coverage narrow, and at high cost, power consumption is big, it is difficult to meet intelligent gas
Table is powered using battery, the technical requirements of operation 10 years.
Problem above can solve using the narrowband NB-IOT communication die for special purpose group of intelligent gas meter in intelligent gas meter,
This is a novel branch art and product, and at present both at home and abroad using NB-IOT module and traditional 2G GPRS communication module netted
Application method is the same, only NB-IOT module is regarded communication component come using.In order to meet Intelligent gas meter based on internet of things,
Ask power consumption smaller, the lower market demand of cost, need it is a kind of by intelligent gas table function be built in narrowband NB-IOT communication mould
In group, communicated by pulse transducer gas meter, flow meter base table with the intelligent gas meter narrowband NB-IOT for embedding function with intelligent gas meter
Mould group, the intelligent gas meter of composition.
Summary of the invention
It is an object of that present invention to provide a kind of intelligent gas meters using novel narrowband NB-IOT communication module group.Intelligent gas
NB-IOT gas meter, flow meter die for special purpose group used by table is one in a kind of multiple MCU by inside NB-IOT modem
MCU is defined as intelligent gas meter MCU, by gas metering and billing function module, counter direct-reading module, voltage detecting function mould
Block, data storage function module, thief-proof functional module, real-time clock module, data ciphering and deciphering module, data-transformation facility
Module etc. has fully embedded into above-mentioned module in NB-IOT module chip, the repertoire of intelligent gas meter is by NB-IOT chip
Resource realize；In Intelligent gas meter based on internet of things just as an independent intelligent gas meter MCU, intelligent gas is realized
Table repertoire, and NB-IOT communication function can be completed, the dedicated NB-IOT communication module group of intelligent gas meter is not necessarily in NB-
Other attached MCU outside IOT communication module group, the object that the present invention solves present MCU intelligent control board and NB-IOT communication module group is constituted
It networks intelligent gas meter, adds pulse transducer gas meter, flow meter base table or be made of direct-reading gas meter base table, it is at high cost, structure is multiple
Miscellaneous, the problems such as power consumption is big, and battery is at high cost, cooperation high-precision gas meter, flow meter metering base table increase the accuracy of flow measurement.
A kind of intelligent gas meter for using narrowband NB-IOT communication module group, comprising: embedded intelligent gas table function
Narrowband NB-IOT communication module group, pulse transducer gas meter, flow meter base table or direct-reading gas meter base table, lithium battery, NB-IOT antenna,
Shell etc. is constituted.
The present invention is characterized in that intelligent gas meter uses, the narrowband NB-IOT of intelligent gas meter repertoire has been embedded
Communication module group;The narrowband NB-IOT communication module group for wherein having embedded intelligent gas meter repertoire includes narrowband NB-IOT communication core
In piece, repertoire needed for I/O interface, the program of program storage and the resources such as memory provide intelligent gas meter and
Real-time clock；It adds, antenna, battery, pulse transducer, direct-reading sensor gas meter, flow meter and shell are constituted.Do not remove NB-IOT
MCU outside communication module group.And when can carry out real-time time school to intelligent gas meter by backstage.
According to aforementioned feature of the invention, present invention is further characterized in that the I/O resource of intelligent gas meter, various function journeys
Sequence, program storage, data storage and MCU soft and hardware resource all derive from NB-IOT communication module group.
It is of the invention to be further characterized in that intelligent gas meter in addition to NB-IOT communication module group without other according to preceding feature
MCU。
It is of the invention to be further characterized in that embedded intelligent gas table function narrowband NB-IOT communication module group according to preceding feature
The built-in real-time clock of intelligent gas meter.
It is of the invention to be further characterized in that real-time clock be verified automatically in each communication according to preceding feature,
Guarantee the accuracy of real-time clock.
After the narrowband NB-IOT communication module group of intelligent gas meter powers on, module is first by NB modem, intelligent gas
The correlation modules such as Table A RM, data storage function module and interface carry out initialization of energizing, and each module enters suspend mode shape after initialization
State, when using photo-electronic directly reading gas meter, flow meter, after timer interruption time and real-time clock timer interruption are set, gauge outfit direct-reading
Interface routine takes the data in mechanical direct read device, and the timer interruption time can also pass through program by wireless setting
Initialization is configured；When using step-by-step counting gas meter, flow meter, program will start external interrupt detection mode, when receiving pulse
When signal, program can be interrupted, and pass through the state computation flow of interruption.After obtaining flow, flow information timing is uploaded to
The network platform, while dosage information can be stored in data memory module by data recording program, which can save one
A month, after intelligent mould group data acquisition and storage, NB modem initialization program started to execute, and utilizes simultaneously
Collected dosage information is uploaded to cloud platform by NB-IOT network.
Program is also respectively arranged the functions such as data upload, undervoltage warning, steal alarm, the alarm of extra small stream, adverse current alarm
It interrupts, interruption can be modified event flag position, and interruption is jumped out after change according to flag bit and carries out relevant event action.
Single-chip microcontroller first determines whether interrupt type when being interrupted wake-up, passes through again in which specific port initiation of judgement if it is external interrupt
Disconnected, the event flag position of correlation function is arranged, principal function can complete corresponding Event Function according to flag bit after jumping out interruption, lead to
The function of crossing external interrupt triggering mainly has a battery capacity detection function, gas meter, flow meter mechanical counter function, step-by-step counting function,
When timer interruption occurs for program, according to certain time interval correlation function can be executed, compare and interrupt the time at moment and be
It is no identical as the preset function time, the event flag position of correlation function is if the same set, and principal function can root after jumping out interruption
Corresponding Event Function is completed according to flag bit, when the time reaching preset uplink time, NB-IOT modem is powered on, and holds
Row initialization program, intelligent gas meter ARM core then communications protocol can pass through NB modem one data of upload to cloud
From the background, the signal strength of the base station NB including intelligent NB gas meter, flow meter position is also sent to backstage, if Programmable detection
When the abnormal phenomenon such as under-voltage out, adverse current, program will do it alarm and upload a data by NB-IOT modulation /demodulation module and mentions
Wake up user, while system will do it the diagnosis of primary system internal state at regular intervals in timer interruption, and judgement is each
Whether a functional unit normally starts, and whether each expansion mouth is applied, if there is abnormal, intelligence combustion occur in certain functional units
Gas meter core can then communications protocol by NB modem upload a data to cloud backstage notify related personnel to tie up
Operation is repaired, module enters dormant state and opening timing device if each functional unit normally starts, when module listens to NB base
Module can be waken up when the wakeup time for the message or program setting that station is sent reaches, after mould group is waken up, Ge Gegong
Make unit start-up operation, definition is transferred data to by Serial Port Line after wherein NB-IOT demodulation module demodulates signal
When intelligent gas meter ARM carries out real-time clock school, valve control is carried out, the intelligent gas meter ARM extraction of definition needs stoichiometric number
According to the data-interface for being transferred to NB modem, data are sent to NB modem, NB modulation /demodulation by data line
The signal of output is sent to host computer through equipment such as wave filter duplexer switch antennas and parsed by device.
The beneficial effects of the present invention are: present invention utilizes the narrowband NB-IOT for having embedded intelligent gas meter repertoire is logical
Interrogate mould group.The mould group be it is a kind of by gas meter, flow meter mechanical counter, direct-reading program, pulse counter module and program, interface can be expanded
And program, valve control module, ladder combustion gas valence accounting module, the thief-proof leakage coal gas detection secure smartcard module of originally combustion gas, from
Carry out fuel gas alarm and connects message processing module, adverse current alarm module composition, data communication protocol module, data encryption module and journey
Sequence and NB-IOT communication function are integrated into the dedicated NB mould group of gas meter, flow meter of a chip one, and the present invention has clear principle, tool
Have it is easy to use, it is low in energy consumption, small in size, the advantages that reliability is higher, all have for intelligent gas meter field stronger practical
Meaning.By enhancing signal strength using NB-IOT dedicated antenna, the reliability of data transmission ensure that.It is high-precision by utilizing
Degree gas meter, flow meter metering base table increases the accuracy of flow measurement.
Detailed description of the invention
Fig. 1 is structural block diagram of the invention
Fig. 2 is program flow diagram of the invention.
In Fig. 1: the narrowband NB-IOT communication module group 1 of embedded intelligent gas table function, electromechanical gas meter, flow meter measure base table 2, lithium
Battery 3, NB-IOT antenna 4.
Specific embodiment
Electromechanical narrowband NB-IOT gas meter, flow meter metering base table 2 and pulse electrical signal is sent to embedded intelligent gas table function
Communication module group 1, the pulse signal that the narrowband NB-IOT communication module group 1 of embedded intelligent gas table function will receive, is counted
Processing, obtained continuous data if it is direct-reading gas meter direct-reading program reading mechanical counter data, realize function of measuring,
Data are encrypted by data safety encrypting and decrypting functional module, are then parsed according to data command and content by each function
Energy module, which executes, is packaged the instructions such as communications protocol, when needing to upload all data by embedding the narrow of intelligent gas table function
Band NB-IOT communication module group 1 sends the data to server.The narrowband NB-IOT of embedded intelligent gas table function communicates mould simultaneously
Charging accounting procedure, control field algorithms most in use are also embedded in group 1.Battery capacity detection function module interface, can use
Program realization monitors the flow direction in gas meter, flow meter use process in real time, can issue nothing by NB module when there is reflux problem
Line information, then the mobile client for proposing information warning and being pushed to user is handled by cloud.Embedded intelligent gas table function
There are also ladder combustion gas valence billing function modules and program to use price at this originally combustion gas in narrowband NB-IOT communication module group 1
Ladder meterage is realized, it can be achieved that multiple groups progressive price scheme is, it can be achieved that positive ladder and negative ladder temporally, according to quantity etc. in ground；
The narrowband NB-IOT communication module group 1 of NB-IOT antenna 4 and embedded intelligent gas table function embeds the narrowband of intelligent gas table function
Data packing after NB-IOT communication module group 1 calculates acquisition is sent to base station by NB-IOT antenna 4.Lithium battery 3 and embedded
The narrowband NB-IOT communication module group 1 of intelligent gas table function is connected to entire intelligent gas meter system power supply.
After intelligent gas meter powers on, module first will be in the narrowband NB-IOT communication module group 1 of embedded intelligent gas table function
NB modem, intelligent gas meter ARM, the correlation modules such as data storage function module and interface carry out initialization of energizing,
Each module enters dormant state after initialization, when using photo-electronic directly reading gas meter, flow meter, is arranged the timer interruption time, in timer
Have no progeny, gauge outfit direct-reading interface routine takes the data in mechanical direct read device, the timer interruption time can by wireless setting,
It can also be configured by program initialization；When using step-by-step counting gas meter, flow meter, program will start external interrupt detection mode,
When receiving pulse signal, program can be interrupted, and pass through the state computation flow of interruption.After obtaining flow, flow is believed
Breath timing is uploaded to the network platform, while dosage information can be stored in data memory module by data recording program, the letter
Breath can save one month, and after intelligent mould group data acquisition and storage, NB modem initialization program starts to hold
Row, while collected dosage information is uploaded to cloud platform using NB-IOT network.
Program is also respectively arranged the functions such as data upload, undervoltage warning, steal alarm, the alarm of extra small stream, adverse current alarm
It interrupts, interruption can be modified event flag position, and interruption is jumped out after change according to flag bit and carries out relevant event action.
Single-chip microcontroller first determines whether interrupt type when being interrupted wake-up, passes through again in which specific port initiation of judgement if it is external interrupt
Disconnected, the event flag position of correlation function is arranged, principal function can complete corresponding Event Function according to flag bit after jumping out interruption.It is logical
The function of crossing external interrupt triggering mainly has battery capacity detection function, gas meter, flow meter mechanical counter function, step-by-step counting function.
When timer interruption occurs for program, according to certain time interval correlation function can be executed, compare and interrupt the time at moment and be
It is no identical as the preset function time, the event flag position of correlation function is if the same set, and principal function can root after jumping out interruption
Corresponding Event Function is completed according to flag bit.When the time reaching preset uplink time, NB-IOT modem is powered on, and holds
Row initialization program, intelligent gas meter ARM core then communications protocol can pass through NB modem one data of upload to cloud
From the background.The signal strength of the base station NB including intelligent NB gas meter, flow meter position is also sent to backstage.If Programmable detection
When the abnormal phenomenon such as under-voltage out, adverse current, program will do it alarm and upload a data by NB-IOT modulation /demodulation module and mentions
Wake up user.When receiving background information every time, calendar time information is contained in the information of receiving, it can be in intelligent gas meter
Portion's clock is verified automatically, to guarantee the accuracy of intelligent gas meter calendar clock.Simultaneously in timer interruption every
A period of time system will do it the diagnosis of primary system internal state, judge whether each functional unit normally starts, each expansion
Whether mouth is applied.If there is exception occur in certain functional units, intelligent gas meter ARM core then communications protocol can pass through NB tune
Modulator-demodulator uploads a data and notifies related personnel to repair operation to cloud backstage.If each functional unit normally starts
Then module enters dormant state and opening timing device, when module listens to calling out for the message that the base station NB is sent or program setting
Module can be waken up when the awake time reaches, and after mould group is waken up, each working cell is started to work, and wherein NB-IOT solves mode transfer
Block transfers data to the intelligent gas meter ARM progress valve control of definition, definition by Serial Port Line after demodulating to signal
Intelligent gas meter ARM extract the data-interface that calculative data are transferred to NB modem, data are passed through into data
Line is sent to NB modem, and NB modem sends the signal of output through equipment such as wave filter duplexer switch antennas
It is parsed to host computer.
Claims (5)
1. the narrowband NB-IOT for having embedded intelligent gas meter repertoire is logical the present invention is characterized in that intelligent gas meter uses
Interrogate mould group;The narrowband NB-IOT communication module group for wherein having embedded intelligent gas meter repertoire includes narrowband NB-IOT communication chip
Interior, repertoire and reality needed for the resources such as I/O interface, the program of program storage and memory provide intelligent gas meter
Shi Shizhong；It adds, antenna, battery, pulse transducer, direct-reading sensor gas meter, flow meter and shell are constituted.Not except NB-IOT is logical
Interrogate the MCU outside mould group.And when can carry out real-time time school to intelligent gas meter by backstage.
2. according to aforementioned feature of the invention, present invention is further characterized in that the I/O resource of intelligent gas meter, various function programs,
The soft and hardware resource of program storage, data storage and MCU all derives from NB-IOT communication module group.
3. of the invention to be further characterized in that intelligent gas meter in addition to NB-IOT communication module group without other MCU according to preceding feature.
4. according to preceding feature, the embedded intelligent gas table function narrowband NB-IOT communication module group of the invention that is further characterized in that
The built-in real-time clock of intelligent gas meter.
5. it is of the invention to be further characterized in that real-time clock be verified automatically in each communication according to preceding feature, it protects
Demonstrate,prove the accuracy of real-time clock.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711062087.5A CN109752060A (en) | 2017-11-02 | 2017-11-02 | A kind of intelligent gas meter based on embedded intelligent gas table function narrowband NB-IOT communication module group |
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| CN201711062087.5A CN109752060A (en) | 2017-11-02 | 2017-11-02 | A kind of intelligent gas meter based on embedded intelligent gas table function narrowband NB-IOT communication module group |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110324732A (en) * | 2019-07-02 | 2019-10-11 | 天津市裕民燃气表具有限公司 | A kind of interactive system of NB-loT and intelligent gas meter |
| CN111080912A (en) * | 2019-12-09 | 2020-04-28 | 浙江威星智能仪表股份有限公司 | Internet of things gas meter prepayment logic system and method based on photoelectric direct reading information |
| CN111504427A (en) * | 2020-05-27 | 2020-08-07 | 岳海民 | Gas meter detecting method and gas meter using same |
| CN112235742A (en) * | 2020-09-08 | 2021-01-15 | 深圳市燃气集团股份有限公司 | Gas meter with NB-IoT communication module embedded with program and data processing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112235742A (en) * | 2020-09-08 | 2021-01-15 | 深圳市燃气集团股份有限公司 | Gas meter with NB-IoT communication module embedded with program and data processing method |
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