CN104467920A - Power line carrier communication device - Google Patents
Power line carrier communication device Download PDFInfo
- Publication number
- CN104467920A CN104467920A CN201410832594.2A CN201410832594A CN104467920A CN 104467920 A CN104467920 A CN 104467920A CN 201410832594 A CN201410832594 A CN 201410832594A CN 104467920 A CN104467920 A CN 104467920A
- Authority
- CN
- China
- Prior art keywords
- module
- signal
- sending
- impedance matching
- immunity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
The invention discloses a power line carrier communication device and belongs to the field of power grid communication. The device comprises a signal acquiring module, an anti-jamming module, a sending module, a receiving module and an impedance matching module, wherein the signal acquiring module is connected with the anti-jamming module, the anti-jamming module is connected with the sending module, the sending module is connected with the receiving module, the impedance matching module is connected to a communication line, the signal acquiring module is used for acquiring signals from a power grid, the anti-jamming module is used for conducting jamming detection on the acquired signals and removing jamming signals, the sending module is used for sending signals obtained after signal processing is conducted by the anti-jamming module, the receiving module is used for receiving signals transmitted by the power grid, and the impedance matching module is used for matching impedances of different transmission lines. According to the device, original information is denoised through the anti-jamming module, impedance matching is conducted on the communication lines through the impedance matching module, signal loss is reduced, and signal transmission is more stable and reliable.
Description
Technical field
The present invention relates to a kind of carrier communication apparatus, is specifically a kind of transmission device for power line carrier communication, belongs to communication system of power grids field.
Background technology
Power line carrier communication (PLC) system is a kind of communication mode generally used in electric power system, in recent years, high speed power line communication is developed rapidly in China, has been widely used in the power information transmission fields such as electric power system automatic remote is checked meter, distribution automation, power transmission network communication.
Prior art power line carrier communication exists that signal transmission environment is poor, decay is serious, impedance variation large, assorted many, the unfavorable factor such as time variation is large of interference, seriously constrains propelling and the development of intelligent grid.
Summary of the invention
Technical problem to be solved by this invention is to overcome existing technological deficiency, provides a kind of transmission device for power line carrier communication that effectively can improve communication quality.
In order to solve the problems of the technologies described above, transmission device for power line carrier communication provided by the invention, comprises signal acquisition module, immunity module, sending module, receiver module and impedance matching module; Described signal acquisition module connects immunity module, and described immunity module connects sending module, and described sending module connects receiver module, and described impedance matching module is connected on communication line; Described signal acquisition module, for from electrical network collection signal; Described immunity module, for carrying out Interference Detection to collection signal and removing interference signal; Described sending module, for sending the signal after immunity module process; Described receiver module, for receiving the signal after by electrical grid transmission; Described impedance matching module, for mating the impedance of different transmission line.
In the present invention, described immunity module comprises interference detection module and interference cancellation module; Described interference detection module, detects for the signal collected signal acquisition module; Described interference cancellation module, removes for the interference signal detected.
In the present invention, described receiver module comprises signal attenuation detection module and gain module; Described signal attenuation detection module is used for carrying out detection to the received signal and analyzes; Described gain module is used for carrying out gain to the received signal.
Beneficial effect of the present invention is: carry out denoising by immunity module to raw information, impedance matching module is adopted to carry out impedance matching to communication line, decrease the loss of signal, make Signal transmissions more reliable and more stable, be more suitable for the long-distance transmissions of data, improve the stability of power line carrier, PLC, confidentiality and anti-lightning; Coordinated by signal attenuation detection module and gain module, carry out detection gain to according to unlike signal, improve signal transmission quality further, for control centre provides power information more accurately, for the intellectuality realizing electric power energy lays the foundation.
Accompanying drawing explanation
Fig. 1 is transmission device for power line carrier communication structural representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As shown in Figure 1, transmission device for power line carrier communication of the present invention, is arranged on the low-voltage distribution side of electrical network, comprises signal acquisition module, immunity module, sending module, receiver module and impedance matching module.Signal acquisition module connects immunity module, from electrical network acquisition terminal subscriber signal to immunity module; Immunity module connects sending module, immunity module comprises interference detection module and interference cancellation module, interference detection module to signals collecting to signal detect, transfer to sending module after then being removed by interference cancellation module when detecting and there is interference signal.Sending module connects receiver module, and the signal disturbed through the past sends by sending module; Receiver module is through wired or wireless mode connection control center, and receiver module comprises processing module, signal attenuation detection module and gain module, and signal attenuation detection module is used for carrying out detection to the received signal and analyzes; Gain module is used for carrying out gain to the received signal; Processing module is used for being sent to control centre after the signal transacting after carrying out gain compensation to gain module.
On communication line, comprise main line and branch line, multiple impedance matching module is installed, change power line carrier data transfer signal in order to regulate.
The course of work of the present invention is: be transferred to after signal acquisition module acquisition terminal subscriber signal after immunity module carries out detecting and go dry process and be sent to receiver module by sending module, receiver module the signal received is carried out decay detect after after gain module process, then manage processing module and be sent to control centre.Meanwhile, the impedance matching module on communication line is mated the impedance on different circuit, guarantees the transmission quality of signal.
The above is only the preferred embodiment of the present invention, it should be pointed out that for those skilled in the art, can also make some improvement under the premise without departing from the principles of the invention, and these improvement also should be considered as protection scope of the present invention.
Claims (3)
1. a transmission device for power line carrier communication, is characterized in that: comprise signal acquisition module, immunity module, sending module, receiver module and impedance matching module; Described signal acquisition module connects immunity module, and described immunity module connects sending module, and described sending module connects receiver module, and described impedance matching module is connected on communication line;
Described signal acquisition module, for from electrical network collection signal;
Described immunity module, for carrying out Interference Detection to collection signal and removing interference signal;
Described sending module, for sending the signal after immunity module process;
Described receiver module, for receiving the signal after by electrical grid transmission;
Described impedance matching module, for mating the impedance of different transmission line.
2. transmission device for power line carrier communication according to claim 1 and 2, is characterized in that: described immunity module comprises interference detection module and interference cancellation module;
Described interference detection module, detects for the signal collected signal acquisition module;
Described interference cancellation module, removes for the interference signal detected.
3. transmission device for power line carrier communication according to claim 2, is characterized in that: described receiver module comprises signal attenuation detection module and gain module;
Described signal attenuation detection module is used for carrying out detection to the received signal and analyzes;
Described gain module is used for carrying out gain to the received signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410832594.2A CN104467920A (en) | 2014-12-29 | 2014-12-29 | Power line carrier communication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410832594.2A CN104467920A (en) | 2014-12-29 | 2014-12-29 | Power line carrier communication device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104467920A true CN104467920A (en) | 2015-03-25 |
Family
ID=52913383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410832594.2A Pending CN104467920A (en) | 2014-12-29 | 2014-12-29 | Power line carrier communication device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104467920A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105406901A (en) * | 2015-12-11 | 2016-03-16 | 国网北京市电力公司 | Information acquisition system for electric power system |
| CN106787212A (en) * | 2017-01-23 | 2017-05-31 | 江苏中乂电气有限公司 | It is a kind of based on the voltage induced device being wirelessly transferred and its method of work |
| CN112202472A (en) * | 2020-09-24 | 2021-01-08 | 中国建设银行股份有限公司 | Communication signal transmission method and device, electronic equipment and readable storage medium |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101873146A (en) * | 2010-06-09 | 2010-10-27 | 陈杰 | Medium-voltage distribution line broadband power carrier communication method and system |
| CN201878140U (en) * | 2010-12-17 | 2011-06-22 | 长沙威胜信息技术有限公司 | Low-voltage power line carrier communication module |
| CN102118338A (en) * | 2009-12-31 | 2011-07-06 | 深圳先进技术研究院 | Power line carrier (PLC) communication method and device |
| KR20110117956A (en) * | 2010-04-22 | 2011-10-28 | 에스케이텔레콤 주식회사 | High speed telecommunication system between floors using power line |
| US20130002368A1 (en) * | 2011-06-30 | 2013-01-03 | Xiqun Zhu | Circuits and Methods for Providing an Impedance Adjustment |
| CN203104442U (en) * | 2012-12-30 | 2013-07-31 | 青岛东软载波科技股份有限公司 | Low-voltage power line carrier communication circuit |
| CN103346846A (en) * | 2013-06-21 | 2013-10-09 | 国家电网公司 | Communication channel stimulation system of electricity consumption information collection system |
| CN203327000U (en) * | 2013-06-21 | 2013-12-04 | 利尔达科技集团股份有限公司 | OFDM technology-based power line carrier wave apparatus |
| CN103632260A (en) * | 2013-12-15 | 2014-03-12 | 程振国 | Electric charge meter reading and payment system based on two-dimensional codes |
| CN103647580A (en) * | 2008-06-06 | 2014-03-19 | 马克西姆综合产品公司 | Jammer canceller for power-line communication |
| CN203632698U (en) * | 2013-12-20 | 2014-06-04 | 长沙威胜信息技术有限公司 | Communication circuit based on power line OFDM multicarrier modulation standard |
-
2014
- 2014-12-29 CN CN201410832594.2A patent/CN104467920A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103647580A (en) * | 2008-06-06 | 2014-03-19 | 马克西姆综合产品公司 | Jammer canceller for power-line communication |
| CN102118338A (en) * | 2009-12-31 | 2011-07-06 | 深圳先进技术研究院 | Power line carrier (PLC) communication method and device |
| KR20110117956A (en) * | 2010-04-22 | 2011-10-28 | 에스케이텔레콤 주식회사 | High speed telecommunication system between floors using power line |
| CN101873146A (en) * | 2010-06-09 | 2010-10-27 | 陈杰 | Medium-voltage distribution line broadband power carrier communication method and system |
| CN201878140U (en) * | 2010-12-17 | 2011-06-22 | 长沙威胜信息技术有限公司 | Low-voltage power line carrier communication module |
| US20130002368A1 (en) * | 2011-06-30 | 2013-01-03 | Xiqun Zhu | Circuits and Methods for Providing an Impedance Adjustment |
| CN203104442U (en) * | 2012-12-30 | 2013-07-31 | 青岛东软载波科技股份有限公司 | Low-voltage power line carrier communication circuit |
| CN103346846A (en) * | 2013-06-21 | 2013-10-09 | 国家电网公司 | Communication channel stimulation system of electricity consumption information collection system |
| CN203327000U (en) * | 2013-06-21 | 2013-12-04 | 利尔达科技集团股份有限公司 | OFDM technology-based power line carrier wave apparatus |
| CN103632260A (en) * | 2013-12-15 | 2014-03-12 | 程振国 | Electric charge meter reading and payment system based on two-dimensional codes |
| CN203632698U (en) * | 2013-12-20 | 2014-06-04 | 长沙威胜信息技术有限公司 | Communication circuit based on power line OFDM multicarrier modulation standard |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105406901A (en) * | 2015-12-11 | 2016-03-16 | 国网北京市电力公司 | Information acquisition system for electric power system |
| CN105406901B (en) * | 2015-12-11 | 2018-04-03 | 国网北京市电力公司 | Information acquisition system for power system |
| CN106787212A (en) * | 2017-01-23 | 2017-05-31 | 江苏中乂电气有限公司 | It is a kind of based on the voltage induced device being wirelessly transferred and its method of work |
| CN112202472A (en) * | 2020-09-24 | 2021-01-08 | 中国建设银行股份有限公司 | Communication signal transmission method and device, electronic equipment and readable storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101826893B (en) | Intelligent ammeter for carrier communication by utilizing power line and working method thereof | |
| CN201409130Y (en) | Power line communication carrier equipment | |
| CN104467920A (en) | Power line carrier communication device | |
| CN205507012U (en) | Detection apparatus for low -loss long distance transmission partial discharge supersound signal | |
| CN105591670A (en) | Photovoltaic assembly state information monitoring device based on power line communication and monitoring method thereof | |
| CN103197216A (en) | Cable joint partial discharge monitoring system based on optical fiber transmission | |
| CN203149826U (en) | Power line carrier communication meter reading system | |
| CN207123593U (en) | Power cable local discharge integrated detection device | |
| CN203340068U (en) | Power line carrier wave communication system | |
| CN103337155A (en) | Multi-environment-adaptive all-weather dynamic-management low-voltage power line carrier remote centralized meter reading method | |
| CN201577148U (en) | Video, control data and power common cable transmission module | |
| CN202257723U (en) | Intelligent magnetic sensor module used for bank note detection | |
| CN105656517B (en) | Island information transmission measurement and control system | |
| CN204989299U (en) | Overvoltage monitor | |
| CN107845199A (en) | A kind of intelligent breaker equipment of remote bill control | |
| CN104202068A (en) | Medium-short-wave radio broadcast signal detection method | |
| CN203618086U (en) | Video signal transmission system based on twisted pairs | |
| CN202363878U (en) | Pilot protection device for power grid | |
| CN205792579U (en) | A kind of group network system using spark gap to press communication in realizing | |
| CN204465528U (en) | A kind of narrowband carrier communication device | |
| CN204269154U (en) | A kind of computer data acquisition system for transformer station | |
| CN205229288U (en) | Digit type current transmitter and detection equipment | |
| CN106059623B (en) | A kind of implementation method of power line carrier, PLC | |
| CN204347466U (en) | Based on the well site of oil field data acquisition system (DAS) of power line carrier, PLC | |
| CN206077385U (en) | Double frequency-band power line carrier communication unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150325 |