CN204810268U - Power line carrier communication module and system thereof - Google Patents
Power line carrier communication module and system thereof Download PDFInfo
- Publication number
- CN204810268U CN204810268U CN201520390226.7U CN201520390226U CN204810268U CN 204810268 U CN204810268 U CN 204810268U CN 201520390226 U CN201520390226 U CN 201520390226U CN 204810268 U CN204810268 U CN 204810268U
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- circuit
- power line
- line carrier
- communication module
- carrier communication
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Abstract
The utility model relates to a power line carrier communication module and system thereof. It includes signal transmission circuit module, signal reception circuit mould, power line carrier control chip and singlechip, singlechip and power line carrier control chip connect, the signal transmission circuit module includes first resonance power amplification circuit, output filter circuit and an interconnected circuit, first resonance power amplification circuit is connected with power line carrier control chip and output filter circuit respectively, and an output filter circuit and an interconnected circuit connect, signal reception circuit module includes second resonance power amplification circuit, input filter circuit and the 2nd interconnected circuit, second resonance power amplification circuit respectively with power line carrier control chip and input filter circuit connection, input filter circuit and second coupling circuit connection. Its difficult problem that can avoid complicated communication electric wire netting wiring, direct use of electricity line transmits photovoltaic power plant's operation conditions to the control computer. The installation is simple, and the investment construction cost is low.
Description
Technical field
The utility model relates to a kind of Power Line Carrier Communication Module, also relates to the system based on a kind of Power Line Carrier Communication Module.
Background technology
Power-line carrier communication is using power line as transmission medium, analog/digital information is become high-frequency signal by the mode of carrier modulation, and then high-frequency signal is carried out long-distance transmissions by power line, its maximum feature is without the need to again laying communication line.Generally, transmission medium power line is mainly divided three classes: (1) high-voltage power line (35kV), (2) medium voltage power line (10kV), (3) low-voltage power line (380/220 subscribers feeder).At present, power-line carrier communication is widely used in various communication control system.
Utility model content
The utility model is in order to overcome the deficiencies in the prior art, its object aims to provide a kind of Power Line Carrier Communication Module and system thereof, it can avoid a difficult problem for complicated communication electrical network wiring, directly utilizes power line that the operation conditions of photovoltaic plant is transferred to monitoring computer.Install simple, investment construction cost is low.
In order to solve above-mentioned technical problem, the basic technical scheme that the utility model proposes is:
A kind of Power Line Carrier Communication Module, comprising signal sending circuit module, signal receiving circuit mould, power carrier control chip and single-chip microcomputer; Described single-chip microcomputer is connected with power carrier control chip;
Further, described signal sending circuit module comprises the first resonant power amplifying circuit, output filter circuit and the first coupling circuit; Described first resonant power amplifying circuit is connected with power carrier control chip and output filter circuit respectively, and described output filter circuit is connected with the first coupling circuit;
Further, described signal receiving circuit module comprises the second resonant power amplifying circuit, input filter circuit and the second coupling circuit; Described second resonant power amplifying circuit is connected with power carrier control chip and input filter circuit respectively, and described input filter circuit is connected with the second coupling circuit.
Further, described input filter circuit is bandwidth-limited circuit.
Further, described first coupling circuit is capacitance coupling circuit.
Further, described second coupling circuit is inductive coupling circuit.
Further, the Power Line Carrier Communication Module described in multiple Claims 1-4, Miniature inverter, photovoltaic data collector, RS485 transducer and monitoring computer is comprised;
Further, described Miniature inverter is connected with photovoltaic data collector by Power Line Carrier Communication Module, and the frequency of the voltage of solar cell, electric current, voltage or electric current and total generated output are transferred to photovoltaic data collector;
Further, described photovoltaic data collector is connected with monitoring computer by RS485 transducer; Described photovoltaic data collector stores the data that Miniature inverter gathers and transfers to monitoring computer, and described monitoring computer forms chart and message to gathered data;
Further, described monitoring computer is connected with Power Line Carrier Communication Module by RS485 transducer, and user sends instruction by monitoring computer to Power Line Carrier Communication Module, controls Power Line Carrier Communication Module modulation signal.
Further, described photovoltaic data collector comprises Power Line Carrier Communication Module and digital signal processor; Described Power Line Carrier Communication Module is connected with digital signal processor.
The beneficial effects of the utility model are:
1, the parameters such as the magnitude of voltage in Miniature inverter, current value are carried in power line transmission to photovoltaic data collector by Power Line Carrier Communication Module, thus avoid an a large amount of difficult problem of arranging communication electrical network.
2, monitoring computer is communicated with Power Line Carrier Communication Module by RS485 transducer, makes Single-chip Controlling power carrier control chip to the modulation and demodulation of signal, is conducive to optimizing generation assets.
3, user can in the real-time monitor optical overhead utility of monitoring computer the operation conditions of each Miniature inverter, be conducive to user and hold power station running status, overall arrangement.
Accompanying drawing explanation
Fig. 1 is the anatomical connectivity block diagram of the Power Line Carrier Communication Module of the utility model specific embodiment.
Fig. 2 is that the system of the Power Line Carrier Communication Module of the utility model specific embodiment connects block diagram.
Embodiment
Be described further below with reference to accompanying drawing 1 and accompanying drawing 2 pairs of the utility model, but protection range of the present utility model should do not limited with this.For convenience of description and understand the technical solution of the utility model, below illustrate that the orientation that the noun of locality used all is shown with accompanying drawing is as the criterion.
As shown in Figure 1, the Power Line Carrier Communication Module of the utility model specific embodiment comprises signal sending circuit module, signal receiving circuit mould, power carrier control chip and single-chip microcomputer.Described single-chip microcomputer is connected with power carrier control chip by asynchronous receiving-transmitting transmitter UART mode.Wherein, the power carrier control chip of the utility model embodiment adopts the power carrier chip of MI200E model, and single-chip microcomputer is communicated with power carrier control chip by UART, and controlled power carrier Control chip modulation and demodulation signal.
Described signal sending circuit module comprises the first resonant power amplifying circuit, output filter circuit and the first coupling circuit; Described first resonant power amplifying circuit is connected with power carrier control chip and output filter circuit respectively, and described output filter circuit is connected with the first coupling circuit.Wherein, the first coupling circuit is capacitance coupling circuit.Capacitance coupling circuit is isolated forceful electric power and light current, provides high-frequency signal path, stops power current to enter weak electricity system, ensures personal safety.
Described signal receiving circuit module comprises the second resonant power amplifying circuit, input filter circuit and the second coupling circuit; Described second resonant power amplifying circuit is connected with power carrier control chip and input filter circuit respectively, and described input filter circuit is connected with the second coupling circuit.Wherein, input filter circuit is bandwidth-limited circuit, and the second coupling circuit is inductive coupling circuit.Inductive coupling circuit is the electromagnetic induction principle utilizing transformer, is exchanged by the signal after modulation /demodulation at former vice-side winding.
The Power Line Carrier Communication Module operation principle of specific embodiment:
1, inverter by Power Line Carrier Communication Module by signal loading when the power line.Power carrier control chip is modulated into high-frequency current signal to derived signals.Be not be specially the transmission of carrier data and arranging due to power line channel, its interference signal is many, and impedance changes with load variations, has stronger time variation, and there is comparatively overdamp.The signal that these features meeting thing makes transmitting terminal or receiving terminal receive significantly is decayed, and has influence on the modulation and demodulation of data.Therefore the signal after amplifying the process of power carrier control chip is needed.High-frequency current signal after process is transferred to the first resonant power amplifying circuit by power carrier control chip.First resonant power amplifying circuit carries out amplification process to high-frequency current signal, and transmits it to output filter circuit.Output filter circuit can filter out other frequency components of high frequency carrier analog signal modulated, and by the first coupling circuit by power line in signal loading.This process completes the process of modulation signal.
2, when the signal on power line is carried out decoupling zero by Power Line Carrier Communication Module.In Power Line Carrier Communication Module, the second coupling circuit carries out decoupling zero from the high frequency carrier analog signal power line, and by the Signal transmissions after decoupling zero to input filter.Wherein, input filter is band pass filter, and it can choose from high frequency carrier analog signal the signal needing frequency range according to predetermined, and transfers to the second resonant power amplifying circuit.Its signal is carried out amplification process by described second resonant power amplifying circuit, and transfers to power carrier control chip.This signal is carried out demodulation process by described power carrier control chip.This process completes the process of restituted signal.
The communication system of the Power Line Carrier Communication Module of the utility model specific embodiment, it comprises described Power Line Carrier Communication Module, Miniature inverter, photovoltaic data collector, RS485 transducer and monitoring computer.
Described Miniature inverter is connected with photovoltaic data collector by Power Line Carrier Communication Module, and the frequency of the voltage of solar cell, electric current, voltage or electric current and total generated output are transferred to photovoltaic data collector; Described photovoltaic data collector is connected with monitoring computer by RS485 transducer; Described photovoltaic data collector stores the data that Miniature inverter gathers and transfers to monitoring computer, and described monitoring computer forms chart and message to gathered data; Described monitoring computer is connected with Power Line Carrier Communication Module by RS485 transducer, and user sends instruction by monitoring computer to Power Line Carrier Communication Module, controls Power Line Carrier Communication Module modulation signal.Described photovoltaic data collector comprises Power Line Carrier Communication Module and digital signal processor; Described Power Line Carrier Communication Module is connected with digital signal processor.
The parameters such as the magnitude of voltage in Miniature inverter, current value are carried in power line transmission to photovoltaic data collector by Power Line Carrier Communication Module, and wherein, photovoltaic data collector is also provided with Power Line Carrier Communication Module.The high frequency carrier analog signal demodulation modulated is got off by the Power Line Carrier Communication Module in photovoltaic data collector from power line, and transfers to digital signal processor DSP process.Digital signal processor DSP to be connected with monitoring computer by RS485 transducer and can to communicate mutually.Signal after process is transferred to monitoring computer by RS485 transducer by digital signal processor DSP.Described monitoring computer forms chart and message to gathered data, staff adjusts according to the working condition of gained information to Miniature inverter, and adjustment control information is converted to corresponding data form again, each Miniature inverter is passed to by RS485 transducer, Miniature inverter is adjusted, realizes the best product of electric energy.When certain Miniature inverter breaks down, its electric energy production can significantly reduce, and now staff can lock abort situation very soon, and keeps in repair accordingly.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also change above-mentioned execution mode and revise.Therefore, the utility model is not limited to embodiment disclosed and described above, also should fall in the protection range of claim of the present utility model modifications and changes more of the present utility model.In addition, although employ some specific terms in this specification, these terms just for convenience of description, do not form any restriction to the utility model.
Claims (6)
1. a Power Line Carrier Communication Module, is characterized in that: comprise signal sending circuit module, signal receiving circuit mould, power carrier control chip and single-chip microcomputer; Described single-chip microcomputer is connected with power carrier control chip;
Described signal sending circuit module comprises the first resonant power amplifying circuit, output filter circuit and the first coupling circuit; Described first resonant power amplifying circuit is connected with power carrier control chip and output filter circuit respectively, and described output filter circuit is connected with the first coupling circuit;
Described signal receiving circuit module comprises the second resonant power amplifying circuit, input filter circuit and the second coupling circuit; Described second resonant power amplifying circuit is connected with power carrier control chip and input filter circuit respectively, and described input filter circuit is connected with the second coupling circuit.
2. a kind of Power Line Carrier Communication Module according to claim 1, is characterized in that: described input filter circuit is bandwidth-limited circuit.
3. a kind of Power Line Carrier Communication Module according to claim 1, is characterized in that: described first coupling circuit is capacitance coupling circuit.
4. a kind of Power Line Carrier Communication Module according to claim 1, is characterized in that: described second coupling circuit is inductive coupling circuit.
5. a communication system for Power Line Carrier Communication Module, is characterized in that: comprise multiple Claims 1-4 arbitrary described Power Line Carrier Communication Module, Miniature inverter, photovoltaic data collector, RS485 transducer and monitoring computer;
Described Miniature inverter is connected with photovoltaic data collector by Power Line Carrier Communication Module, and the frequency of the voltage of solar cell, electric current, voltage or electric current and total generated output are transferred to photovoltaic data collector;
Described photovoltaic data collector is connected with monitoring computer by RS485 transducer; Described photovoltaic data collector stores the data that Miniature inverter gathers and transfers to monitoring computer, and described monitoring computer forms chart and message to gathered data;
Described monitoring computer is connected with Power Line Carrier Communication Module by RS485 transducer, and user sends instruction by monitoring computer to Power Line Carrier Communication Module, controls Power Line Carrier Communication Module modulation signal.
6. the communication system of a kind of Power Line Carrier Communication Module according to claim 5, is characterized in that: described photovoltaic data collector comprises Power Line Carrier Communication Module and digital signal processor; Described Power Line Carrier Communication Module is connected with digital signal processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520390226.7U CN204810268U (en) | 2015-06-08 | 2015-06-08 | Power line carrier communication module and system thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520390226.7U CN204810268U (en) | 2015-06-08 | 2015-06-08 | Power line carrier communication module and system thereof |
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| CN204810268U true CN204810268U (en) | 2015-11-25 |
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| CN201520390226.7U Expired - Fee Related CN204810268U (en) | 2015-06-08 | 2015-06-08 | Power line carrier communication module and system thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105656517A (en) * | 2016-03-10 | 2016-06-08 | 厦门理工学院 | Island information transmission measurement and control system |
| CN107590986A (en) * | 2017-09-27 | 2018-01-16 | 广东电网有限责任公司应急抢修中心 | A kind of electric power data acquisition system based on bandwidth carrier |
| CN109286244A (en) * | 2018-12-10 | 2019-01-29 | 国网山东省电力公司诸城市供电公司 | Photovoltaic electrification component based on carrier communication monitors system |
| CN112236948A (en) * | 2018-04-04 | 2021-01-15 | 赛峰航空技术公司 | Device for transmitting data, device for receiving data and system for transmitting data |
| CN112367100A (en) * | 2020-09-30 | 2021-02-12 | 北京机电工程研究所 | Power line carrier communication control circuit based on Ethernet and serial interface |
| CN112994743A (en) * | 2019-12-17 | 2021-06-18 | 苏州东奇信息科技股份有限公司 | Remote communication device shared by direct current and carrier wave |
| CN113325227A (en) * | 2021-05-31 | 2021-08-31 | 广东电网有限责任公司 | One-point grounding current acquisition method and device based on power line carrier communication |
| CN113708799A (en) * | 2021-08-26 | 2021-11-26 | 永林电子(上海)有限公司 | Power line carrier device |
| CN114670696A (en) * | 2021-06-22 | 2022-06-28 | 北京新能源汽车股份有限公司 | Charging control method and device, charging pile and electric vehicle |
-
2015
- 2015-06-08 CN CN201520390226.7U patent/CN204810268U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105656517A (en) * | 2016-03-10 | 2016-06-08 | 厦门理工学院 | Island information transmission measurement and control system |
| CN105656517B (en) * | 2016-03-10 | 2023-04-11 | 厦门理工学院 | Island information transmission measurement and control system |
| CN107590986A (en) * | 2017-09-27 | 2018-01-16 | 广东电网有限责任公司应急抢修中心 | A kind of electric power data acquisition system based on bandwidth carrier |
| CN112236948B (en) * | 2018-04-04 | 2022-09-06 | 赛峰航空技术公司 | Device for transmitting data, device for receiving data and system for data transmission |
| CN112236948A (en) * | 2018-04-04 | 2021-01-15 | 赛峰航空技术公司 | Device for transmitting data, device for receiving data and system for transmitting data |
| CN109286244A (en) * | 2018-12-10 | 2019-01-29 | 国网山东省电力公司诸城市供电公司 | Photovoltaic electrification component based on carrier communication monitors system |
| CN112994743A (en) * | 2019-12-17 | 2021-06-18 | 苏州东奇信息科技股份有限公司 | Remote communication device shared by direct current and carrier wave |
| CN112994743B (en) * | 2019-12-17 | 2022-11-22 | 苏州东奇信息科技股份有限公司 | Remote communication device shared by direct current and carrier wave |
| CN112367100A (en) * | 2020-09-30 | 2021-02-12 | 北京机电工程研究所 | Power line carrier communication control circuit based on Ethernet and serial interface |
| CN113325227A (en) * | 2021-05-31 | 2021-08-31 | 广东电网有限责任公司 | One-point grounding current acquisition method and device based on power line carrier communication |
| CN114670696A (en) * | 2021-06-22 | 2022-06-28 | 北京新能源汽车股份有限公司 | Charging control method and device, charging pile and electric vehicle |
| CN113708799A (en) * | 2021-08-26 | 2021-11-26 | 永林电子(上海)有限公司 | Power line carrier device |
| CN113708799B (en) * | 2021-08-26 | 2023-05-23 | 永林电子(上海)有限公司 | Power line carrier device |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151125 |