CN207409129U - It is a kind of can two-band transmission intelligent gas meter system - Google Patents
It is a kind of can two-band transmission intelligent gas meter system Download PDFInfo
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- CN207409129U CN207409129U CN201721583833.0U CN201721583833U CN207409129U CN 207409129 U CN207409129 U CN 207409129U CN 201721583833 U CN201721583833 U CN 201721583833U CN 207409129 U CN207409129 U CN 207409129U
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Abstract
The utility model disclose it is a kind of can two-band transmission intelligent gas meter system, be related to intelligent gas meter electronic technology field, including two intelligent gas meters, each intelligent gas meter includes:First data transmission module, for carrying out remote gas meter data information transfer with gas company, gas meter, flow meter data and communication signal strength information, and the gas meter, flow meter data message for receiving MCU control module transmission being transmitted to MCU control module;Second data transmission module, for receiving another intelligent gas meter transmission gas meter, flow meter data message, and transmitted to MCU control module and receive gas meter, flow meter data message, MCU control module is additionally operable to carry out switch control to first data transmission module by signal strength information;The utility model solves data transmission module inside existing intelligent gas meter usually there is the transmission blind spot of signal, the problem of causing gas company that can not read the data inside gas meter, flow meter, accurately gas meter, flow meter can not be monitored.
Description
Technical field
The utility model is related to intelligent gas meter electronic technology field more particularly to it is a kind of can two-band transmission intelligence combustion
Gas meter system.
Background technology
Normal domestic use diaphragm gas meter, since its difficult charge, meter reading personnel's high labor cost, pilferage gas can not be realized really
Monitoring, this constantly adds operating cost to gas company, also brings many troubles to operation management, is then opened from nineteen ninety-five
Begin, various intelligent gas meters gradually appear on the market, to solve the problems, such as headache that gas company is run into managing.IC card table, CPU
The infrared number of card intelligent gas meter, wired remote-transmission gas meter, flow meter, wireless telemetering gas-meter, network-type passes the kinds such as gas meter, flow meter and goes out in succession
It is existing.Intelligent gas meter domestic at present mainly have IC card intelligent gas meter, CPU card intelligent gas meter, radio frequency card intelligent gas meter, flow meter,
This several major class such as direct-reading remote transmitting gas meter (wired remote-transmission table) and wireless telemetering gas-meter (product into).With people's life water
The raising of gentle quality of life, the required "smart" products demand of modernization family, will promote intelligent gas meter towards safety
Property, reliability, intelligent convenience direction develop.
After existing intelligent gas meter is mounted on average family, data transmission module inside gas meter, flow meter usually there is
The transmission blind spot of signal causes transmission signal unstable, and the transport module used at present is GPRS communication modules, GPRS communications
Message transmission rate is 171.2kbps, since GPRS communications are dependent on communication base station, if signal strength is too low, GPRS numbers
It will be unable to preferably be communicated between base station according to transport module, cause gas company that can not read the number inside gas meter, flow meter
According to can not be accurately monitored to gas meter, flow meter.
Utility model content
The purpose of this utility model is that:It is usually being deposited to solve the data transmission module inside existing intelligent gas meter
In the transmission blind spot of signal, cause transmission signal unstable, GPRS data transport module will be unable between base station carry out compared with
Good communication, causes gas company that can not read the data inside gas meter, flow meter, accurately gas meter, flow meter can not be monitored
Problem, the utility model provide it is a kind of can two-band transmission intelligent gas meter system.
The concrete scheme of the utility model is as follows:
It is a kind of can two-band transmission intelligent gas meter system, including two intelligent gas meters, each intelligent gas meter is equal
Including:
First data transmission module, for carrying out remote gas meter data information transfer with gas company, controlling mould to MCU
Block transmits gas meter, flow meter data and communication signal strength information, and the gas meter, flow meter data message for receiving MCU control module transmission.
Second data transmission module, for receiving another intelligent gas meter, (another intelligent gas meter herein includes should
Another in system in two gas meter, flow meters) transmission gas meter, flow meter data message, and gas meter, flow meter is transmitted and received to MCU control module
Data message.
MCU control module, for sending and receiving combustion to first data transmission module and the second data transmission module respectively
Gas meter data message for receiving the communication signal strength information of first data transmission module, is additionally operable to believe by signal strength
It ceases two intelligent gas meters carried out to first data transmission module described in switch control and is mounted on different positions, and two intelligence
The distance between energy gas meter, flow meter is within 7 kilometers of circumference.
Specifically, the first data transmission module be NB-IOT modules or GPRS module, the second data transmission mould
Block is LORA modules.
Further, the GPRS module includes the SIM card U1, the first chip U3 and the antenna AT1 that are sequentially connected, SIM card
U1 is SIM900 series.
Specifically, the LORA modules include the 3rd chip U5, modulation circuit and wireless signal Transmit-Receive Unit, the described 3rd
Chip U5 is SX1278 family chips.
Specifically, the MCU control module is STM8l052 series for second singlechip U4, the second singlechip U4
Microcontroller.
After using the above program, the beneficial effects of the utility model are:
There are two communication modules in each intelligent gas meter of the utility model, two intelligent gas meters are being installed
When, it can select for two intelligent gas meters to be separately mounted to the family of user A and user B, the intelligent gas meter of Liang Ge families
It can mutually aid in, so that all carrying out better data transmission between the intelligent gas meter of two users and gas company;
Can also select one of intelligent gas meter being mounted on user's A familys, another gas meter, flow meter be mounted on cell roof etc. its
The stronger position of his signal;It should be appreciated that it is ideal solve using the intelligent gas meter system of the utility model
There is blind spot in traditional GPRS module, it is impossible to exclude to there is a situation where the GPRS of two gas meter, flow meters all with blind spot,
But compared to original situation, the utility model has well solved this problem.
Description of the drawings
Fig. 1 is the modular structure schematic diagram of the utility model;
Fig. 2 is the circuit diagram of the first data transmission module of the utility model;
Fig. 3 is the circuit diagram of second data transmission module of the utility model;
Fig. 4 is the circuit diagram of the MCU control module of the utility model;
It is marked in figure:1- first data transmission modules, 2-MCU control modules, the second data transmission modules of 3-.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, the technical solution in the present embodiment is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only the implementation of the part of the embodiment rather than whole of the utility model
Example.Based on the embodiment in the utility model, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
It is a kind of can two-band transmission intelligent gas meter system, including two intelligent gas meters, each intelligent gas meter is equal
Including:First data transmission module 1, the second data transmission module 3 and MCU control module 2, first data transmission module 1 and
Two data transmission modules 3 are connected with MCU control module 2.
First data transmission module 1, for carrying out remote gas meter data information transfer with gas company, being controlled to MCU
Module 2 transmits gas meter, flow meter data and communication signal strength information, and the gas meter, flow meter data for receiving the transmission of MCU control module 2
Information;First data transmission module 1 is NB-IOT modules or GPRS module.
Second data transmission module 3 for receiving another intelligent gas meter transmission gas meter, flow meter data message, and is controlled to MCU
Molding block 2 transmits and receives gas meter, flow meter data message, another intelligent gas meter herein includes representing two combustions in the system
Another in gas meter;Second data transmission module 3 is LORA modules;Data transfer is carried out between two built-in LORA modules
It needs to be transferred by base station, Sever and cloud, is to carry out No. D binding of I, tool between two LORA modules in the present embodiment
The technology that data communication original between two built-in LORA modules of body is known to the skilled person, did not spoke more herein
It is bright.
MCU control module 2, for sending and receiving combustion to first data transmission module and the second data transmission module respectively
Gas meter data message for receiving the communication signal strength information of first data transmission module, is additionally operable to believe by signal strength
Breath carries out first data transmission module switch control and is additionally operable to carry out first data transmission module 1 by signal strength information
Switch control.
Two intelligent gas meters are mounted on different positions, and the distance between two intelligent gas meters are in 1 kilometer of circumference
Within.
That is, there are two communication modules, NB-IOT/GPRS modules and LORA moulds in each intelligent gas meter
Block.In certain signal strength range, data communication of the intelligent gas Table A directly between gas company is by the first number
According to transport module 1, i.e. NB-IOT modules or GPRS module;First data transmission module 1 is at any time by data-signal and signal strength
Information passes to MCU control module 2, if MCU module receives recessed signal strength range and has been less than some threshold value, than
Such as, signal strength is less than -90dB, and MCU control module 2 no longer passes the first data transmission module 1 for controlling this intelligent gas Table A
Transmission of data, then MCU control module 2 data are being passed into the second data transmission module 3, i.e. LORA modules;At this point, LORA moulds
Block is transferred data to the LORA modules in another gas meter, flow meter B of LORA modules binding, the LORA modules in gas meter, flow meter B
After receiving module gas meter, flow meter A data messages, by data information transfer to the MCU control module 2 in gas meter, flow meter B, MCU controls
Module 2 is transmitted to the first data transmission module 1 in gas meter, flow meter B again, which passes data to combustion again
Gas corporate data center.If the first data transmission module 1 of gas meter, flow meter A detects signal strength higher than -90dB, gas meter, flow meter
Data-signal directly passes to data center of gas company by first data transmission module 1 in A.
If the intensity data LORA of the first transport module is low-power consumption wide area network, penetration power is strong, signal stabilization.Pacifying
When filling two intelligent gas meters, it can select for two intelligent gas meters to be separately mounted to the family of user A and user B, two
The intelligent gas meter of family can be aided in mutually, so that all being carried out between the intelligent gas meter of two users and gas company
Better data transmission;When first transport module uses GPRS module, transmission band 900/1800/1900MHz is used
During NB-IOT modules, the transmission band of transmission band 850/900/1800/1900MHz, LORA module is 137-
1020MHz can also select one of intelligent gas meter being mounted on user's A familys, another gas meter, flow meter is mounted on cell
The stronger position of other signals such as roof;It should be appreciated that it is simply more managed using the intelligent gas meter system of the utility model
Solve the problems, such as that there are blind spots for traditional GPRS module with thinking, it is impossible to exclude there are the GPRS of two gas meter, flow meters all with blind spot
Situation, but compared to original situation, the utility model has well solved this problem.
As shown in Fig. 2, the first data transmission module 1 includes the SIM card U1, the first chip U3 and the antenna that are sequentially connected
AT1, SIM card U1 are SIM900 series.Specifically, the VPP interfaces of SIM card U1 connect the SIM_DATA interfaces of the first chip U3,
The RST interfaces of SIM card U1 connect the SIM_RST interfaces of the first chip U3, and the CLK interfaces of SIM card U1 connect the first chip U3's
CLK_RST interfaces;The RF_ANT interfaces connection antenna AT1 of first chip U3.
The MCU control module 2 is STM8l052 series monolithics for second singlechip U4, the second singlechip U4
Machine.
15 interfaces of the SIM_IXD connection second singlechips U4 of first chip U3, the SIM_RXD interfaces of the first chip U3 connect
Connect 16 interfaces of second singlechip U4,35 interfaces of the VDD EST interfaces connection second singlechip U4 of the first chip U3, the first core
2 interfaces of the PWRKEY interfaces connection second singlechip U4 of piece U3, the STATUS of the first chip U3 connection second singlechips U4
Interface.
LORA modules include the 3rd chip U5, modulation circuit and wireless signal Transmit-Receive Unit, and the 3rd chip U5 is
SX1278 family chips.1 interface, 27 interfaces, 23 interfaces, 24 interfaces and 25 interfaces of 3rd chip U5 connect the defeated of modulation circuit
Enter end, wireless signal Transmit-Receive Unit includes chip U6, and chip U6 is AS179 family chips;The RF1 interface and RF2 of chip U6 connects
The output terminal of mouth connection modulation circuit, the resistance R16 and capacitance C26, capacitance C26 of the Vctr1 interfaces connection parallel connection of chip U6 connect
Ground, Vctr2 interfaces connection R15 in parallel and C25, C25 ground connection, the connection of RFCOM interfaces the capacitance C23, capacitance C23 of chip U6 are another
One end connection antenna AT2.
48 interfaces of second singlechip U4 connect 8 interfaces of the 3rd chip U5, the 47 interfaces connection of second singlechip U4 the
9 interfaces of three chip U5.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned exemplary embodiment, and
And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The scope of type is indicated by the appended claims rather than the foregoing description, it is intended that will fall containing in the equivalent requirements of the claims
All changes in justice and scope are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
Using specification as an entirety, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (5)
1. it is a kind of can two-band transmission intelligent gas meter system, which is characterized in that including two intelligent gas meters, each intelligence
Gas meter, flow meter includes:
First data transmission module (1), for carrying out remote gas meter data information transfer with gas company, controlling mould to MCU
Block (2) transmits gas meter, flow meter data and communication signal strength information, and the gas meter, flow meter number for receiving MCU control module (2) transmission
It is believed that breath;
Second data transmission module (3) for receiving another intelligent gas meter transmission gas meter, flow meter data message, and is controlled to MCU
Gas meter, flow meter data message is transmitted and received to module (2);
MCU control module (2), for first data transmission module (1) and the second data transmission module (3) to be received and sent out respectively
Gas meter, flow meter data message is sent, for receiving the communication signal strength information of first data transmission module (1), is additionally operable to pass through signal
Strength information carries out switch control to first data transmission module (1);
Two intelligent gas meters are mounted on different positions, and the distance between two intelligent gas meters are public in circumference 7
In within.
2. it is according to claim 1 it is a kind of can two-band transmission intelligent gas meter system, which is characterized in that described first
Data transmission module (1) is NB-IOT modules or GPRS module, and second data transmission module (3) is LORA modules.
3. it is according to claim 2 it is a kind of can two-band transmission intelligent gas meter system, which is characterized in that the GPRS
It is SIM900 series monolithics that module, which includes the SIM card U1, the first chip U3 that are sequentially connected and antenna AT1, the first chip U3,.
4. it is according to claim 2 it is a kind of can two-band transmission intelligent gas meter system, which is characterized in that the LORA
Module includes the 3rd chip U5, modulation circuit and wireless signal Transmit-Receive Unit, and the 3rd chip U5 is SX1278 series monolithics
Machine.
5. it is according to claim 1 it is a kind of can two-band transmission intelligent gas meter system, which is characterized in that the MCU
Control module (2) is STM8l052 series monolithics for second singlechip U4, the second singlechip U4.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721583833.0U CN207409129U (en) | 2017-11-23 | 2017-11-23 | It is a kind of can two-band transmission intelligent gas meter system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721583833.0U CN207409129U (en) | 2017-11-23 | 2017-11-23 | It is a kind of can two-band transmission intelligent gas meter system |
Publications (1)
Publication Number | Publication Date |
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CN207409129U true CN207409129U (en) | 2018-05-25 |
Family
ID=62316944
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201721583833.0U Active CN207409129U (en) | 2017-11-23 | 2017-11-23 | It is a kind of can two-band transmission intelligent gas meter system |
Country Status (1)
Country | Link |
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CN (1) | CN207409129U (en) |
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2017
- 2017-11-23 CN CN201721583833.0U patent/CN207409129U/en active Active
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