CN206021528U - A kind of low-voltage power kilowatt meter reading-out system downlink communication system - Google Patents
A kind of low-voltage power kilowatt meter reading-out system downlink communication system Download PDFInfo
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- CN206021528U CN206021528U CN201620704877.3U CN201620704877U CN206021528U CN 206021528 U CN206021528 U CN 206021528U CN 201620704877 U CN201620704877 U CN 201620704877U CN 206021528 U CN206021528 U CN 206021528U
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Abstract
The utility model discloses a kind of low-voltage power kilowatt meter reading-out system downlink communication system, it includes that main website, main website are connected with concentrator, and concentrator is electrically connected with the slave module of harvester or intelligent electric meter by primary module, and harvester is electrically connected with intelligent electric meter by slave module；Meter register method, it include：Task of checking meter is sent to present node by wireless channel；Whether judgement checks meter successful；Check meter unsuccessful, task of checking meter is sent to present node by power frequency electric line of force channel, while task of checking meter is sent by wireless channel to next node；Check meter successfully, then task of checking meter is sent to next node by wireless channel；Solving the dual mode communication that prior art combined in low-voltage power kilowatt meter reading-out system downlink communication using power line carrier communication, micro power radio communication or power line carrier communication and micro power radio communication, all to there is communication unreliable, it is impossible to the technical problem such as accurate identification intelligent ammeter place phase information.
Description
Technical field
This utility model belongs to electricity meter-reading technology, more particularly to a kind of low-voltage power kilowatt meter reading-out system downlink communication system.
Background technology
In low-voltage power centralized meter-reading system, downlink communication is generally using power line carrier communication and micro power radio communication, electricity
Powerline carrier communication is easily affected by communication distance, power grid environment, and micro power radio communication easily receives communication distance, weather, barrier
Stopping affects, and often communication success rate is unable to reach preferable effect, and cannot clearly know intelligent electric meter place phase information；
Power-line carrier communication, by power line communication, is easily affected by power line environment, and communication efficiency is unstable.Electric lines of force is carried
The dual mode communication technology that communication techniques are combined with micropower wireless communication technology, can only be lifted to a certain extent and be communicated successfully
Rate, due to being limited by power line carrier, micropower wireless technology condition itself, cannot also realize mixed networking at present, electricity
Line of force carrier wave, micropower are wirelessly two separate networks, it is impossible to give full play to power line carrier with the wireless phase of micropower
In conjunction with advantage；Power-line carrier communication and micropower wireless communication technology cannot accurate identification intelligent ammeter place phases
Position information.
Utility model content
The technical problems to be solved in the utility model：A kind of low-voltage power kilowatt meter reading-out system downlink communication system is provided, to solve
Certainly prior art adopts power line carrier communication, micro power radio communication or electric power in low-voltage power kilowatt meter reading-out system downlink communication
It is unreliable all to there is communication in the dual mode communication that line carrier communication and micro power radio communication are combined, it is impossible to accurate identification intelligent ammeter
The technical problems such as place phase information.
Technical solutions of the utility model：
A kind of low-voltage power kilowatt meter reading-out system downlink communication system, it includes that main website, main website are electrically connected with concentrator, concentrator
Electrically connected with the slave module of harvester or intelligent electric meter by primary module, harvester is electrically connected with intelligent electric meter by slave module.
The primary module and slave module include central processor unit, central processor unit and interface module and micro- work(
Rate wireless communication module wire connects, and central processor unit is communicated with power frequency electric line of force communication modulation module and the power frequency electric line of force
The connection of demodulation module wire, power frequency electric line of force communication modulation module and power frequency electric line of force communication demodulation module and protection module wire
Connection, protection module are connected with power frequency electric line of force wire.
This utility model beneficial effect：
This utility model adopts power frequency electric power line communication technology, and it is different from power-line carrier communication, does not receive electric power
Thread environment affects, and its success rate that communicates can reach 100%, and the accurate identification intelligent ammeter place phase information of energy, but which has the disadvantage
Traffic rate is slower, and the traffic rate of micropower wireless technology is very fast.This utility model combines power frequency electric line of force communication skill
Art and the advantage of micropower wireless communication technology, greatly improve can not only communication success rate and reach 100%, and accurately can know
Other intelligent electric meter place phase information, is that three-phase imbalance and line fault analysis provide accurate foundation；Solve prior art
Power line carrier communication, micro power radio communication or power line carrier communication is adopted in low-voltage power kilowatt meter reading-out system downlink communication
It is unreliable all to there is communication in the dual mode communication combined with micro power radio communication, it is impossible to accurate identification intelligent ammeter place phase place letter
The technical problems such as breath.
Description of the drawings：
Fig. 1 is this utility model structural representation；
Fig. 2 is this utility model principal and subordinate's modular structure schematic diagram；
Fig. 3 is this utility model meter register method schematic diagram.
Specific embodiment：
A kind of low-voltage power kilowatt meter reading-out system downlink communication system, it includes（See Fig. 1）Main website, main website pass through nothing with concentrator
Line or cable network connection, by the slave module of primary module and harvester or intelligent electric meter, wirelessly or non-wirelessly network connects concentrator
Connect, harvester is by slave module and intelligent electric meter wirelessly or non-wirelessly network connection.
The primary module and slave module include（See Fig. 2）Central processor unit, central processor unit and interface mould
Block and the connection of micropower wireless communication module wire, central processor unit and power frequency electric line of force communication modulation module and power frequency electric
Line of force communication demodulation module wire connection, power frequency electric line of force communication modulation module and power frequency electric line of force communication demodulation module and protection
Module wire connects, and protection module is connected with power frequency electric line of force L and N.
Central processor unit is the core component of module, is responsible at the signal of the communication of the power frequency electric line of force and radio communication
Reason, and communicate with intelligent electric meter or concentrator, the on and off for being responsible for control display lamp carry out the working condition of indicating module.
Central processor unit is connected with power frequency electric line of force communication modulation module, it would be desirable to sent out by power frequency electric line of force channel
The data is activation that send on electric lines of force is connected with power frequency electric line of force communication demodulation module, receives the power frequency electric on electric lines of force
Line of force signal of communication.Protection module protects whole device by the interference from electric lines of force so as to ensureing the normal work of device.
Central processor unit is received and sends wireless communication signals by being connected with micropower wireless communication module.
Interface module is used for link block and concentrator or intelligent electric meter.
Power module provides reliable and stable power supply for whole device.
A kind of meter register method of low-voltage power kilowatt meter reading-out system, it includes：
After the completion of power frequency electric line of force communication network and micro power radio communication network organizing, with the initiation of the task of checking meter,
Primary module is to each from node（Intelligent electric meter with slave module）Task of checking meter is sent by wireless channel, if present node is checked meter
Success, then send task of checking meter by wireless channel to the next one from node and count checking meter successfully for present node wireless channel
Rate；If present node is checked meter unsuccessful, task of checking meter is sent to present node by power frequency electric line of force channel and simultaneously passes through nothing
Line channel sends task of checking meter to the next one from node and counts the success rate of checking meter of present node wireless channel；Copy in this way
Table, until all complete from node copy reading by stored in primary module.Flow of task of checking meter is shown in Fig. 3.
Claims (2)
1. a kind of low-voltage power kilowatt meter reading-out system downlink communication system, it includes main website, it is characterised in that：Main website is connected with concentrator
Connect, concentrator is electrically connected with the slave module of harvester or intelligent electric meter by primary module, harvester is by slave module and intelligence electricity
Table is electrically connected.
2. a kind of low-voltage power kilowatt meter reading-out system downlink communication system according to claim 1, it is characterised in that：The main mould
Block and slave module include that central processor unit, central processor unit are led with interface module and micropower wireless communication module
Line connect, central processor unit communicate with power frequency electric line of force communication modulation module and the power frequency electric line of force demodulation module wire connect
Connect, power frequency electric line of force communication modulation module and power frequency electric line of force communication demodulation module are connected with protection module wire, protection module
It is connected with power frequency electric line of force wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620704877.3U CN206021528U (en) | 2016-07-04 | 2016-07-04 | A kind of low-voltage power kilowatt meter reading-out system downlink communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620704877.3U CN206021528U (en) | 2016-07-04 | 2016-07-04 | A kind of low-voltage power kilowatt meter reading-out system downlink communication system |
Publications (1)
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| CN206021528U true CN206021528U (en) | 2017-03-15 |
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| CN201620704877.3U Active CN206021528U (en) | 2016-07-04 | 2016-07-04 | A kind of low-voltage power kilowatt meter reading-out system downlink communication system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105931447A (en) * | 2016-07-04 | 2016-09-07 | 贵州电网有限责任公司电力科学研究院 | Downlink communication system of low-voltage power meter reading system and meter reading method |
| CN107248271A (en) * | 2017-05-23 | 2017-10-13 | 国网湖南省电力公司 | Many master station acquisition systems of multiple-in-one |
| CN107426634A (en) * | 2017-09-11 | 2017-12-01 | 贵州电网有限责任公司电力科学研究院 | A kind of evaluating method of centralized meter-reading system communication |
| CN109039383A (en) * | 2018-09-27 | 2018-12-18 | 深圳友讯达科技股份有限公司 | heterogeneous network communication transmission method and device |
-
2016
- 2016-07-04 CN CN201620704877.3U patent/CN206021528U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105931447A (en) * | 2016-07-04 | 2016-09-07 | 贵州电网有限责任公司电力科学研究院 | Downlink communication system of low-voltage power meter reading system and meter reading method |
| CN107248271A (en) * | 2017-05-23 | 2017-10-13 | 国网湖南省电力公司 | Many master station acquisition systems of multiple-in-one |
| CN107426634A (en) * | 2017-09-11 | 2017-12-01 | 贵州电网有限责任公司电力科学研究院 | A kind of evaluating method of centralized meter-reading system communication |
| CN107426634B (en) * | 2017-09-11 | 2018-11-13 | 贵州电网有限责任公司电力科学研究院 | A kind of evaluating method of centralized meter-reading system communication |
| CN109039383A (en) * | 2018-09-27 | 2018-12-18 | 深圳友讯达科技股份有限公司 | heterogeneous network communication transmission method and device |
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