CN207008851U - Long-distance meter-reading system - Google Patents
Long-distance meter-reading system Download PDFInfo
- Publication number
- CN207008851U CN207008851U CN201720776699.XU CN201720776699U CN207008851U CN 207008851 U CN207008851 U CN 207008851U CN 201720776699 U CN201720776699 U CN 201720776699U CN 207008851 U CN207008851 U CN 207008851U
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- circuit
- power line
- meter
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- reading system
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Abstract
A kind of long-distance meter-reading system is the utility model is related to, including：Some remote meter reading terminal harvesters, the concentrator being connected with corresponding remote meter reading terminal harvester, remote monitoring terminal are uploaded to after the data summarization of remote meter reading terminal harvester that the concentrator is connected it collection；Wherein described remote meter reading terminal harvester is suitable to send the data of collection to concentrator by power line mode or RS485 communication modes；This long-distance meter-reading system can compatible RS485 communication modes or power line communication mode, to meet RS485 communications or power line communication requirement, both met the tool installation of new cell table, and can meets the needs of old school area table tool transformation.
Description
Technical field
It the utility model is related to a kind of long-distance meter-reading system.
Background technology
At present, the table such as domestic combustion gas, water power tool is general by the way of Every household has an ammeter.
Remote meter reading can be realized, but is changed for old school area in order to facilitate gas company or electric power, Running-water Company
Make, if only with RS485 mode, transmission means is very single, and it also requires laying communication line in addition, it is therefore desirable to
Spend higher cost.
Based on above mentioned problem, it is necessary to design a kind of new long-distance meter-reading system.
Utility model content
The purpose of this utility model is to provide a kind of suitable for the long-range of compatible RS485 communication modes or power line communication mode
Kilowatt meter reading-out system.
In order to solve the above-mentioned technical problem, the utility model provides a kind of long-distance meter-reading system, including：It is some remotely to copy
Meter terminal harvester, the concentrator being connected with corresponding remote meter reading terminal harvester, what the concentrator was connected it
Remote monitoring terminal is uploaded to after the data summarization of remote meter reading terminal harvester collection；Wherein described remote meter reading terminal is adopted
Acquisition means are suitable to send the data of collection to concentrator by power line mode or RS485 communication modes.
Further, the remote meter reading terminal harvester, including：From processor module, with this from processor module phase
Even from power line carrier modem, it is described to be connected with from the sending and receiving end of power line carrier modem from carrier transmitting-receiving
Circuit；And it is described from processor module also with first, second RS485 interfaces and pulse acquisition circuit；Wherein the first RS485 connects
Mouth is suitable to receive the data that the electric energy meter being operated under RS485 communication modules is sent；The pulse acquisition circuit is suitable to receive work
Make the data that electric energy meter in the pulsing mode is sent；And it is described from processor module by being demodulated from power line carrier modulation
Device or the 2nd RS485 interfaces are connected with concentrator.
Further, the concentrator includes main processor modules, the main power line carrier wave being connected with the main processor modules
Modem, the sending and receiving end of the main power line carrier modem are connected with main carrier transmission circuit；And the master
Processor module is additionally provided with the RS485 interfaces for carrying out RS485 communications with remote meter reading terminal harvester；And the master
The output end of processor module, which passes through connected wireless communication module, will be uploaded to remote monitoring end after the data summarization of collection
End.
Further, the circuit structure of the master and slave carrier transmitting-receiving circuit is identical, and including：Power line coupling circuit, with should
The connected carrier wave transtation mission circuit of power line coupling circuit and receiving circuit, wherein the carrier wave transtation mission circuit is suitable to by from electric power
Line carrier modem obtains carrier (boc) modulated signals, is amplified by power amplifier, and after the filtering of LC filter circuits
Access the secondary of coupling coil in power line coupling circuit；The receiving circuit includes：It is being connected with the secondary of coupling coil and
Join resonance circuit, the output end of the antiresonant circuit is connected from power line carrier modem.
Further, the live wire in power line accesses the primary of coupling coil by the inductance L3 and electric capacity C12 of series connection；And
The secondary both ends of the coupling coil are connected with the bilateral diode D7 for voltage clamping.
Further, the power amplifier is the complementary push-pull power amplification circuit being made up of four triodes；It is described
LC filter circuits are the bandpass filter being made up of inductance L6 and electric capacity C32, with filtering harmonics component.
Further, secondary one end of the coupling coil passes through resistance R101 connection antiresonant circuits；The parallel connection is humorous
The circuit that shakes is made up of electric capacity C15, electric capacity C18 and the inductance L1 of parallel connection, and the both ends of the antiresonant circuit are also associated with
Diode D2 and diode D14 for clamper reception voltage signal value.
Further, it is described to be additionally provided with descending M-BUS simulated-bus serial ports and all the way descending LoRa all the way from processor module
Wireless module serial ports；Wherein described descending M-BUS simulated-bus serial ports is adapted to the water meter or gas meter, flow meter of M-BUS communication modes
Or calorimeter；The descending LoRa wireless modules serial ports is adapted to the water meter or gas meter, flow meter or heat of LoRa wireless communication modes
Table.
The beneficial effects of the utility model are, this long-distance meter-reading system can compatible RS485 communication modes or power line lead to
News mode, to meet RS485 communications or power line communication requirement, new cell table tool installation was both met, and can meets old school area table
Have the needs of transformation.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the theory diagram of long-distance meter-reading system；
Fig. 2 is the theory diagram of remote meter reading terminal harvester of the present utility model；
Fig. 3 is the circuit theory diagrams of master and slave carrier transmitting-receiving circuit of the present utility model.
Embodiment
The utility model is described in further detail presently in connection with accompanying drawing.These accompanying drawings are simplified schematic diagram,
Only illustrate basic structure of the present utility model in a schematic way, therefore it only shows the composition relevant with the utility model.
As shown in figure 1, a kind of long-distance meter-reading system is present embodiments provided, including：Some remote meter reading terminal collection dresses
Put, the concentrator being connected with corresponding remote meter reading terminal harvester, the remote meter reading terminal that the concentrator is connected it
Remote monitoring terminal is uploaded to after the data summarization of harvester collection；Wherein described remote meter reading terminal harvester is suitable to logical
Cross power line mode or RS485 communication modes send the data of collection to concentrator.
As shown in Fig. 2 the remote meter reading terminal harvester includes：From processor module, with this from processor module
Connected receives from power line carrier modem, described be connected with from the sending and receiving end of power line carrier modem from carrier wave
Power Generation Road；And it is described from processor module also with first, second RS485 interfaces and pulse acquisition circuit；Wherein the first RS485
Interface is suitable to receive the data that the electric energy meter being operated under RS485 communication modules is sent；The pulse acquisition circuit is suitable to receive
The data that the electric energy meter of work in the pulsing mode is sent；And it is described from processor module by from power line carrier modulation solution
Device or the 2nd RS485 interfaces is adjusted to be connected with concentrator.
The concentrator includes main processor modules, the main power line carrier modulation demodulation being connected with the main processor modules
Device, the sending and receiving end of the main power line carrier modem are connected with main carrier transmission circuit；And the primary processor mould
Block is additionally provided with the RS485 interfaces for carrying out RS485 communications with remote meter reading terminal harvester；And the primary processor mould
The output end of block, which passes through connected wireless communication module, to be uploaded to remote monitoring terminal after the data summarization of collection.
The main processor modules STC12C5A60S2-35I-LQFP44 single-chip microcomputers, it is described from processor module for example but
It is not limited to use ML610Q496P；It is described from power line carrier modem such as, but not limited to using PL3106,
INT5200；The wireless communication module such as, but not limited to uses SIM900A modules；Optionally, the main processor modules and
Corresponding toggle switch is respectively connected with from processor module, in order to which power line mode or RS485 communication modes switch over.
This remote meter reading terminal harvester is in a manner of compatible RS485 communication modes and power line communication, to meet RS485
Communication or power line communication requirement, had both met new cell table tool installation, and and can meets the needs of old school area table tool transformation；And also
The data that the electric energy meter under RS485 communication modules is sent can be received, or receive the data that the electric energy meter under pulse mode is sent, it is full
The electric energy meter of foot various modes uses.
As shown in figure 3, the circuit structure of the master and slave carrier transmitting-receiving circuit is identical, and including：Power line coupling circuit,
The carrier wave transtation mission circuit and receiving circuit being connected with the power line coupling circuit, wherein the carrier wave transtation mission circuit is suitable to by from electricity
Line of force carrier modem（Such as PL3106 P17 ends）Carrier (boc) modulated signals are obtained, are amplified by power amplifier,
And the secondary of coupling coil in power line coupling circuit is accessed after the filtering of LC filter circuits；The receiving circuit includes：With coupling
The connected antiresonant circuit of the secondary of zygonema circle, the output end of the antiresonant circuit are connected from power line carrier modulation solution
Adjust device.
Live wire in power line accesses the primary of coupling coil by the inductance L3 and electric capacity C12 of series connection；And the coupling
The secondary both ends of zygonema circle are connected with the bilateral diode D7 for voltage clamping, to prevent excessive surge current.
The power amplifier is to pass through four triodes（Triode Q3, triode Q4, triode Q5 and triode Q6）
The complementary push-pull power amplification circuit of composition；The LC filter circuits are the bandpass filter being made up of inductance L6 and electric capacity C32,
With filtering harmonics component；And by diode D12 and diode D13 can be used for triode Q5 and triode Q5 base stage with
Voltage clamping between emitter stage, the interference of power supply spike is absorbed, and complementation is connected to by diode D3 and diode D4 and pushed away
The output end for drawing power amplification circuit plays a part of protection circuit.
Secondary one end of the coupling coil passes through resistance R101 connection antiresonant circuits；The antiresonant circuit by
Electric capacity C15, electric capacity C18 in parallel and inductance L1 are formed, and centre frequency is 120kHZ, to play the work of frequency-selecting to reception signal
With, and the both ends of the antiresonant circuit are also associated with diode D2 and diode for clamper reception voltage signal value
D14, by voltage clamping to ± 0.7V.
It is described to use ML610Q496P from processor module, and descending M-BUS simulated-bus serial ports all the way can also be set
Descending LoRa wireless modules serial ports all the way；Wherein described descending M-BUS simulated-bus serial ports is adapted to M-BUS communication modes
Water meter or gas meter, flow meter or calorimeter；The descending LoRa wireless modules serial ports is adapted to the water meter of LoRa wireless communication modes
Or gas meter, flow meter or calorimeter, expanded with the function to this remote meter reading terminal harvester.
Using it is above-mentioned according to desirable embodiment of the present utility model as enlightenment, pass through above-mentioned description, related work people
Member can carry out various changes and amendments in the range of without departing from this item utility model technological thought completely.This item is real
The content being not limited to new technical scope on specification, it is necessary to which its technology is determined according to right
Property scope.
Claims (8)
- A kind of 1. long-distance meter-reading system, it is characterised in that including：Some remote meter reading terminal harvesters, the concentrator being connected with corresponding remote meter reading terminal harvester, the concentration Remote monitoring terminal is uploaded to after the data summarization for the remote meter reading terminal harvester collection that device is connected it；WhereinThe remote meter reading terminal harvester is suitable to send the data of collection by power line mode or RS485 communication modes To concentrator.
- 2. long-distance meter-reading system according to claim 1, it is characterised in thatThe remote meter reading terminal harvester includes：From processor module, with this from processor module be connected from power line carrier modem, it is described to be carried from power line The sending and receiving end of ripple modem is connected with from carrier transmitting-receiving circuit；AndIt is described from processor module also with first, second RS485 interfaces and pulse acquisition circuit；WhereinFirst RS485 interfaces are suitable to receive the data that the electric energy meter being operated under RS485 communication modules is sent；The pulse acquisition circuit is suitable to receive the data that the electric energy meter of work in the pulsing mode is sent；AndIt is described from processor module by being connected from power line carrier modem or the 2nd RS485 interfaces with concentrator.
- 3. long-distance meter-reading system according to claim 2, it is characterised in thatThe concentrator includes main processor modules, the main power line carrier modem being connected with the main processor modules, The sending and receiving end of the main power line carrier modem is connected with main carrier transmission circuit；AndThe main processor modules are additionally provided with the RS485 interfaces for carrying out RS485 communications with remote meter reading terminal harvester； AndThe output end of the main processor modules, which passes through connected wireless communication module, to be uploaded to after the data summarization of collection Remote monitoring terminal.
- 4. long-distance meter-reading system according to claim 3, it is characterised in thatThe circuit structure of the master and slave carrier transmitting-receiving circuit is identical, and including：Power line coupling circuit, couple with the power line The connected carrier wave transtation mission circuit of circuit and receiving circuit, whereinThe carrier wave transtation mission circuit is suitable to, by obtaining carrier (boc) modulated signals from power line carrier modem, put through overpower Big device is amplified, and the secondary of coupling coil in power line coupling circuit is accessed after the filtering of LC filter circuits；The receiving circuit includes：The antiresonant circuit being connected with the secondary of coupling coil, the antiresonant circuit it is defeated Go out end connection from power line carrier modem.
- 5. long-distance meter-reading system according to claim 4, it is characterised in thatLive wire in power line accesses the primary of coupling coil by the inductance L3 and electric capacity C12 of series connection；AndThe secondary both ends of the coupling coil are connected with the bilateral diode D7 for voltage clamping.
- 6. long-distance meter-reading system according to claim 5, it is characterised in thatThe power amplifier is the complementary push-pull power amplification circuit being made up of four triodes；The LC filter circuits are the bandpass filter being made up of inductance L6 and electric capacity C32, with filtering harmonics component.
- 7. long-distance meter-reading system according to claim 6, it is characterised in thatSecondary one end of the coupling coil passes through resistance R101 connection antiresonant circuits；The antiresonant circuit is made up of electric capacity C15, electric capacity C18 and the inductance L1 of parallel connection, andThe both ends of the antiresonant circuit are also associated with diode D2 and diode for clamper reception voltage signal value D14。
- 8. long-distance meter-reading system according to claim 7, it is characterised in thatIt is described to be additionally provided with descending M-BUS simulated-bus serial ports all the way and all the way descending LoRa wireless modules string from processor module Mouthful；WhereinThe descending M-BUS simulated-bus serial ports is adapted to the water meter or gas meter, flow meter or calorimeter of M-BUS communication modes；The descending LoRa wireless modules serial ports is adapted to the water meter or gas meter, flow meter or calorimeter of LoRa wireless communication modes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720776699.XU CN207008851U (en) | 2017-06-29 | 2017-06-29 | Long-distance meter-reading system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720776699.XU CN207008851U (en) | 2017-06-29 | 2017-06-29 | Long-distance meter-reading system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207008851U true CN207008851U (en) | 2018-02-13 |
Family
ID=61449586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720776699.XU Expired - Fee Related CN207008851U (en) | 2017-06-29 | 2017-06-29 | Long-distance meter-reading system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207008851U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110459294A (en) * | 2019-08-16 | 2019-11-15 | 重庆华医康道科技有限公司 | A kind of dosage monitoring system |
-
2017
- 2017-06-29 CN CN201720776699.XU patent/CN207008851U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110459294A (en) * | 2019-08-16 | 2019-11-15 | 重庆华医康道科技有限公司 | A kind of dosage monitoring system |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180213 Termination date: 20190629 |
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| CF01 | Termination of patent right due to non-payment of annual fee |