CN203535791U - Carrier wave communication unit under intelligent power grid environment - Google Patents
Carrier wave communication unit under intelligent power grid environment Download PDFInfo
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- CN203535791U CN203535791U CN201320433727.XU CN201320433727U CN203535791U CN 203535791 U CN203535791 U CN 203535791U CN 201320433727 U CN201320433727 U CN 201320433727U CN 203535791 U CN203535791 U CN 203535791U
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Abstract
The utility model is applicable to the field of power technology, and provides a carrier wave communication unit under intelligent power grid environment. The carrier wave communication unit comprises a single-phase carrier wave module which consists of a carrier wave chip, a single-phase signal output filter circuit, a single-phase signal coupling circuit, a single-phase signal input filter circuit and a single-phase carrier wave interface circuit, a signal is transmitted to the single-phase signal output filter circuit, the single-phase signal coupling circuit, the single-phase signal input filter circuit from the carrier wave chip and then transmitted to the carrier wave chip by the single-phase signal input filter circuit to form a loop, and the single-phase carrier wave interface circuit is electrically connected with the carrier wave chip.
Description
Technical field
The utility model belongs to the utility model and belongs to intelligent grid field, is specifically related to the carrier communication unit under a kind of intelligent grid environment.
Background technology
The power supply department of China is mostly continued to use traditional manual meter reading method at present.The meter reading efficiency of this mode is low, the ammeter limited amount that everyone monthly can read to copy; The artificial error of reading, copy happens occasionally; Because table meter infield disperses, cannot accomplish to read to copy ammeter simultaneously, the data obtained is unfavorable for electricity consumption situation to carry out the statistics and analysis of science.Along with Every household has an ammeter, the continuous popularization of centralized automatic meter-reading, bank's networking, the user that power supply department originally need only read to copy several summary tables, through after Every household has an ammeter transformation, reads to copy independently ammeters of even thousands of of hundreds of possibly, workload increases greatly.Along with intelligent grid development, scientific and technical personnel are also constantly creating the ammeter technology under intelligent grid environment.
Therefore, how providing the carrier communication unit under intelligent grid environment is technical issues that need to address.
Utility model content
In view of this, provide the carrier communication unit under a kind of intelligent grid environment.
The utility model is to realize like this, carrier communication unit under a kind of intelligent grid environment, comprise: single-phase carrier module, comprise carrier chip, single-phase signal output filter circuit, single-phase signal coupling circuit, single-phase signal input filter circuit and single-phase carrier interface circuit, signal transfers to described single-phase signal output filter circuit by described carrier chip successively, described single-phase signal coupling circuit, described single-phase signal input filter circuit also transfers to described carrier chip by described single-phase signal input filter circuit and forms loop, described single-phase carrier interface circuit is electrically connected to described carrier chip, concentrator carrier module, comprises concentrator interface circuit, and described concentrator interface circuit is electrically connected to described single-phase carrier interface circuit, by described single-phase carrier interface circuit, is connected to single-phase carrier module.
Further, described concentrator carrier module comprises that router interface, control chip, three-phase signal input filter circuit, signal output amplifier, three-phase switch filtering circuit and three-phase signal coupled circuit, described router interface is connected between described control chip and described concentrator interface circuit, electric signal transfers to three-phase signal input filter circuit, signal output amplifier, three-phase by described control chip successively and switches filtering circuit and three-phase signal coupled circuit, and by described three-phase signal coupled circuit, transfers to control chip and form loop.
Carrier communication unit and method under above-mentioned intelligent grid environment, by carrier chip by carrier signal according to the communication mode of certain intervals discontinuous transmission.Have the advantages that the time interval is adjustable, traffic rate is adjustable, can effectively avoid the impact on consumer, realized carrier wave automatic data logging.
Accompanying drawing explanation
Fig. 1 is the single-phase carrier module map of the carrier communication unit under the utility model intelligent grid environment;
Fig. 2 is the concentrator carrier module figure of the carrier communication unit under the utility model intelligent grid environment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Referring to Fig. 1-2 is the module map of the carrier communication unit under intelligent grid environment, and wherein Fig. 1 is single-phase carrier module map, and Fig. 2 is concentrator carrier module figure.Carrier communication unit under this intelligent grid environment comprises single-phase carrier module 1, single-phase carrier module 1, comprise carrier chip 12, single-phase signal output filter circuit 15, single-phase signal coupling circuit 17, single-phase signal input filter circuit 14 and single-phase carrier interface circuit 11, signal transfers to described single-phase signal output filter circuit 15 by described carrier chip 12 successively, described single-phase signal coupling circuit 17, described single-phase signal input filter circuit 14 also transfers to described carrier chip 12 by described single-phase signal input filter circuit 14 and forms loop, described single-phase carrier interface circuit 11 is electrically connected to described carrier chip 12.
Also comprise concentrator carrier module 2, comprise concentrator interface circuit 28, described concentrator interface circuit 28 is electrically connected to described single-phase carrier interface circuit 11, by described single-phase carrier interface circuit 11, is connected to single-phase carrier module 1.Comprise that router interface 21, control chip 22, three-phase signal input filter circuit 23, signal output amplifier 24, three-phase switch filtering circuit 26 and three-phase signal coupled circuit 27, described router interface 21 is connected between described control chip 22 and described concentrator interface circuit 28, electric signal transfers to three-phase signal input filter circuit 23, signal output amplifier 24, three-phase by described control chip 22 successively and switches filtering circuit 26 and three-phase signal coupled circuit 27, and by described three-phase signal coupled circuit 27, transfers to control chip 22 and form loop.
In present embodiment, described single-phase carrier module 1 also comprises single-phase zero cross detection circuit 16, is connected between described carrier chip 12 and described single-phase signal coupling circuit 17.Described single-phase carrier module 1 also comprises that storer 13 is electrically connected to described carrier chip 12.Described concentrator carrier module 2 also comprises three-phase zero cross detection circuit 25, is connected between described control chip 22 and described three-phase signal coupled circuit 27.Described concentrator carrier module 2 also comprises network interface and pilot lamp.
Single-phase carrier module 1, as the communication terminal between main website and terminal (carrier wave meter or I type collector), the signal that main website issues is after line of electric force is received and demodulated by single-phase carrier module 1, delivering to terminal (carrier wave meter or I type collector) processes, then the data of terminal (carrier wave meter or I type collector) response are modulated, by line of electric force, send main website back to again, complete the mutual of main website and terminal (carrier wave meter or I type collector).
Concentrator carrier module 2 (Three Phase Carrier Based module) is as the communication terminal between main website and terminal (carrier wave meter).The signal that main website issues is after line of electric force is received and demodulated by module, delivering to terminal (carrier wave meter) processes, then the data of terminal (carrier wave meter) response are modulated, then send main website back to by line of electric force, complete the mutual of main website and terminal (carrier wave meter).
In the present embodiment, carrier communication unit under this intelligent grid environment adopts tdm communication mechanism, by carrier signal according to the communication mode of certain intervals discontinuous transmission.Have the advantages that the time interval is adjustable, traffic rate is adjustable, can effectively avoid the impact on consumer.
Adopt the adjustable mechanism of transmitted power, the variation of system automatic sensing power line environment, controls transmitted power.Adopt the DAC way of output, reduce the outer harassing and wrecking of band, reduce the impact on power utilization environment.
Adopt coding techniques, system is supported Multi-encoding technology, comprises spread spectrum coding, phase modulation code, frequency modulation code etc., can adapt to various line of electric force transport propertys and noise circumstance.
Adopt simultaneous techniques at accurate zero point, utilize accurate power frequency zero point synchronous with power frequency Error Compensation Technology and reliable zero-detection circuit, realize reliable timesharing packet communication, there is data bit sync and compensate of frequency deviation algorithm simultaneously, improve the ability of resisting periodical noise.
Adopt hardware correlation technique, integrated AFE (analog front end) (AFE) and DSP, reduce the impact of internal noise on communication performance, reduces chip periphery hardware complexity, improves interference free performance; Built-in high-speed digital-analog modular converter (DAC), output power is adjustable, improves system rejection to disturbance performance.
Adopt data compression, Error Control and packet technology, data compression technique effectively reduces message length efficiently, and the probability being damaged while reducing message transmissions improves transmission reliability.Effectively error control mechanism, comprises forward error correction (FEC) and CRC-16, strictly controls message transmissions error probability.Distinctive packet and packet checks mechanism can, in the situation that supporting big data quantity transmission, improve data reliability.
Its routing characteristic, has the combination of centralized, parallel type, distributed three kinds of routing mechanisms, adapts to the characteristic of power line communication network time variation.Can carry out flexibly a signal receipts/control according to the different characteristics of channel, comprise coded system, traffic rate, transmitted power etc.
System provides the CSMA/CA of hardware to detect and signal intensity indication RSSI, and the method for Efficient Evaluation relay route robustness is provided, and improves route operational efficiency.Traffic rate can be adjusted by router automatic decision according to actual physics environment within the scope of 100bps～800bps, and self-poise communication distance and communication efficiency.Support is across communicating and relaying.
As mentioned above, the carrier communication unit under intelligent grid environment provided by the utility model by carrier chip by carrier signal according to the communication mode of certain intervals discontinuous transmission.Have the advantages that the time interval is adjustable, traffic rate is adjustable, can effectively avoid the impact on consumer, realized carrier wave automatic data logging.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (7)
1. the carrier communication unit under intelligent grid environment, is characterized in that, comprising:
Single-phase carrier module, comprise carrier chip, single-phase signal output filter circuit, single-phase signal coupling circuit, single-phase signal input filter circuit and single-phase carrier interface circuit, signal is transferred to described single-phase signal output filter circuit, described single-phase signal coupling circuit, described single-phase signal input filter circuit and is transferred to described carrier chip by described single-phase signal input filter circuit by described carrier chip successively and forms loop, and described single-phase carrier interface circuit is electrically connected to described carrier chip.
2. the carrier communication unit under intelligent grid environment as claimed in claim 1, it is characterized in that, also comprise: concentrator carrier module, comprise concentrator interface circuit, described concentrator interface circuit is electrically connected to described single-phase carrier interface circuit, by described single-phase carrier interface circuit, is connected to single-phase carrier module.
3. the carrier communication unit under intelligent grid environment as claimed in claim 2, it is characterized in that: described concentrator carrier module comprises router interface, control chip, three-phase signal input filter circuit, signal output amplifier, three-phase switches filtering circuit and three-phase signal coupled circuit, described router interface is connected between described control chip and described concentrator interface circuit, electric signal transfers to three-phase signal input filter circuit by described control chip successively, signal output amplifier, three-phase switches filtering circuit and three-phase signal coupled circuit, and by described three-phase signal coupled circuit, transfer to control chip and form loop.
4. the carrier communication unit under intelligent grid environment as claimed in claim 2, is characterized in that: described single-phase carrier module also comprises single-phase zero cross detection circuit, is connected between described carrier chip and described single-phase signal coupling circuit.
5. the carrier communication unit under intelligent grid environment as claimed in claim 4, is characterized in that: described single-phase carrier module also comprises that storer is electrically connected to described carrier chip.
6. the carrier communication unit under intelligent grid environment as claimed in claim 3, is characterized in that: described concentrator carrier module also comprises three-phase zero cross detection circuit, is connected between described control chip and described three-phase signal coupled circuit.
7. the carrier communication unit under intelligent grid environment as claimed in claim 6, is characterized in that: described concentrator carrier module also comprises network interface and pilot lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320433727.XU CN203535791U (en) | 2013-02-04 | 2013-07-11 | Carrier wave communication unit under intelligent power grid environment |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320066943.5 | 2013-02-04 | ||
| CN201320066943 | 2013-02-04 | ||
| CN201320433727.XU CN203535791U (en) | 2013-02-04 | 2013-07-11 | Carrier wave communication unit under intelligent power grid environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203535791U true CN203535791U (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320433727.XU Withdrawn - After Issue CN203535791U (en) | 2013-02-04 | 2013-07-11 | Carrier wave communication unit under intelligent power grid environment |
| CN201310306204.3A Active CN103440758B (en) | 2013-02-04 | 2013-07-11 | Carrier communication unit under intelligent grid environment |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310306204.3A Active CN103440758B (en) | 2013-02-04 | 2013-07-11 | Carrier communication unit under intelligent grid environment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103440758A (en) * | 2013-02-04 | 2013-12-11 | 深圳市航天泰瑞捷电子有限公司 | Carrier communication unit in intelligent electrical network environment |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106935022A (en) * | 2017-03-21 | 2017-07-07 | 广西盛洲电力科技有限公司 | A kind of wideband power carrier communication kilowatt meter reading-out system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2696214Y (en) * | 2004-01-19 | 2005-04-27 | 深圳市天益光纤通信技术有限公司 | Power line network card |
| US8223880B2 (en) * | 2005-03-16 | 2012-07-17 | Analog Devices, B.V. | System and method for power line communication |
| CN202422405U (en) * | 2011-12-20 | 2012-09-05 | 西安凯立信信息科技有限公司 | Power line carrier centralized meter reading system based on electric network topology for low-voltage users |
| CN202495963U (en) * | 2012-03-31 | 2012-10-17 | 北京华强智连微电子有限责任公司 | OFDM carrier communication module |
| CN103036593B (en) * | 2012-12-30 | 2015-01-07 | 青岛东软载波科技股份有限公司 | Low-voltage power line carrier communication circuit |
| CN203535791U (en) * | 2013-02-04 | 2014-04-09 | 深圳市航天泰瑞捷电子有限公司 | Carrier wave communication unit under intelligent power grid environment |
-
2013
- 2013-07-11 CN CN201320433727.XU patent/CN203535791U/en not_active Withdrawn - After Issue
- 2013-07-11 CN CN201310306204.3A patent/CN103440758B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103440758A (en) * | 2013-02-04 | 2013-12-11 | 深圳市航天泰瑞捷电子有限公司 | Carrier communication unit in intelligent electrical network environment |
| CN103440758B (en) * | 2013-02-04 | 2016-08-10 | 深圳市航天泰瑞捷电子有限公司 | Carrier communication unit under intelligent grid environment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103440758B (en) | 2016-08-10 |
| CN103440758A (en) | 2013-12-11 |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140409 Effective date of abandoning: 20160810 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |