CN204423626U - Photovoltaic plant power line-carrier intelligent concentrator - Google Patents
Photovoltaic plant power line-carrier intelligent concentrator Download PDFInfo
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- CN204423626U CN204423626U CN201420864739.2U CN201420864739U CN204423626U CN 204423626 U CN204423626 U CN 204423626U CN 201420864739 U CN201420864739 U CN 201420864739U CN 204423626 U CN204423626 U CN 204423626U
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Abstract
The utility model provides photovoltaic plant power line-carrier intelligent concentrator, comprise concentrator mainboard, many electric power cables, multiple mutual inductor and multiple shunt, each described electric power cable is connected with a described shunt through after a described mutual inductor, described shunt is shunted described electric power cable, electric power cable through described mutual inductor is all connected with described concentrator mainboard with the electric power cable shunted through described shunt, the power carrier transmission circuit that described concentrator mainboard comprises CPU and is connected respectively with described CPU, current detection circuit and GPRS transmission circuit.Photovoltaic plant power line-carrier intelligent concentrator, the intelligent acquisition achieving whole system owing to have employed 32 bit CPUs controls, improve efficiency and the performance of whole system, and propose the wireless transmission with cell panel intelligent monitor system, maximum usefulness and minimum cost have been given play to the cell panel power line carrier monitoring system of whole photo-voltaic power generation station.
Description
Technical field
The invention belongs to power-line carrier communication field, especially a kind of photovoltaic plant power line-carrier intelligent concentrator is related to, it is a kind of solar panel collecting temperature, voltage, electric current, isoparametric monitoring system of power of being applied to photo-voltaic power generation station, is responsible for the information of every block solar panel carrier detect data to gather.
Background technology
China's solar energy power generating has a high potential, along with country continues to promote photovoltaic industry, coordinate actively stable support on policy, 100,000,000 kilowatts will be reached to the year two thousand thirty photovoltaic installed capacity, annual electricity generating capacity can reach 1,300 hundred million kilowatt hours, the coming years, the express delivery that China's solar energy power generating has welcome again a new round increases, and solar photovoltaic cell panel is as the most basic unit, detect the temperature of photovoltaic battery panel, voltage, electric current, the parameter states such as power have become than indispensable link to Surveillance center, current solar photovoltaic cell panel detection system needs to set up special photovoltaic and detects communication line, add cost and the duration of cable wiring manufacture.Power line carrier communication a kind ofly utilizes existing power circuit as the communication mode of information transmission channel.The voltage signal channel of carry information is encoded and after modulation /demodulation, is transmitted, be aided with suitable bus communication protocol and organization algorithm, can complete the network communicating function on line of electric force by line of electric force.Power line channel can be described as ubiquitous, so the sharpest edges of power line carrier communication exempt from wiring, plug and play exactly, dramatically saves on investment and the duration of cable wiring manufacture.
Summary of the invention
The invention will solve above technical matters, provides a kind of photovoltaic plant power line-carrier intelligent concentrator.
For solving the problems of the technologies described above, the technical scheme that the invention adopts is: photovoltaic plant power line-carrier intelligent concentrator, comprise concentrator mainboard, many electric power cables, multiple mutual inductor and multiple shunt, each described electric power cable is connected with a described shunt through after a described mutual inductor, described shunt is shunted described electric power cable, electric power cable through described mutual inductor is all connected with described concentrator mainboard with the electric power cable shunted through described shunt, the power carrier transmission circuit that described concentrator mainboard comprises CPU and is connected respectively with described CPU, current detection circuit and GPRS transmission circuit.
Further, described power carrier transmission circuit comprises pickup coil TZ1, combination field effect transistor U1 and Transient Suppression Diode TVS1, the input end of described pickup coil TZ1 is successively by inductance L 2, input signal is connect after electric capacity CZ1, the output terminal described Transient Suppression Diode TVS1 in parallel of described pickup coil TZ1, at two ends resistance in series R3 and the electric capacity C2 of described Transient Suppression Diode TVS1, at the two ends of described electric capacity C2 successively shunt capacitance C6, inductance L 3 and switching diode D3, 3rd pin of described switching diode D3 is by connecing PLCIN signal after electric capacity C1, 7th pin of described combination field effect transistor U1 is successively by connecing the 2nd pin of pickup coil TZ1 after electric capacity C3 and inductance L 1, 4th pin of described combination field effect transistor U1 divides two-way, lead up to after resistance R1 and connect 12V power supply, at the two ends parallel diode D1 of described resistance R1, separately lead up to after electric capacity C4 and resistance R4 and export PLCOUT signal, 2nd pin of described combination field effect transistor U1 divides two-way, resistance R2 of leading up to connects the 1st pin of combination field effect transistor U1, at the two ends parallel diode D2 of described resistance R2, separately lead up to after electric capacity C5 and resistance R4 and export PLCOUT signal.
Further, described current detection circuit comprises operational amplifier U1A, U1B, U1C, 3 pin connecting resistance R2 one end of described operational amplifier U1A, the 2 pin connecting resistance R3 respectively of described operational amplifier U1A, one end of R4, the described resistance R2 other end is connecting resistance R1 respectively, one end of electric capacity C1, the described resistance R3 other end connects the other end of described electric capacity C1 respectively and meets GND, another termination input signal of described resistance R1 IFB, 1 pin of described operational amplifier U1A connects 5 pin of described operational amplifier U1B respectively, 8 pin of U1C and the other end of described resistance R4, the 6 pin connecting resistance R5 respectively of described operational amplifier U1B, one end of R7, described another termination of resistance R5+3.3V, one end of the 7 pin connecting resistance R6 of described operational amplifier U1B, another termination+3.3V of described resistance R6, 7 pin of described operational amplifier U1B output signal FO to described CPU, the other end of described resistance R7 outputs signal PO to described CPU, the 9 pin connecting resistance R8 respectively of described operational amplifier U1C, one end of R9, described resistance R9 other end ground connection, the described resistance R8 other end connects+3.3V and resistance R10 one end respectively, 10 pin of described operational amplifier U1C and the described resistance R10 other end output signal P1 to described CPU.
Further, described operational amplifier U1A, U1B, U1C model is LM324D.
Further, described combination field effect transistor U1 model is SP8M3, and described Transient Suppression Diode TVS1 model is P6KE27C.
Further, described CPU model is STM32F103VCT6.
The advantage that the invention has and good effect are: photovoltaic plant power line-carrier intelligent concentrator, the intelligent acquisition achieving whole system owing to have employed 32 bit CPUs controls, improve efficiency and the performance of whole system, and propose the wireless transmission with cell panel intelligent monitor system, maximum usefulness and minimum cost have been given play to the cell panel power line carrier monitoring system of whole photo-voltaic power generation station.
Accompanying drawing explanation
Fig. 1 is the invention entire block diagram;
Fig. 2 is concentrator main board function block diagram;
Fig. 3 is cpu circuit schematic diagram;
Fig. 4 is power carrier transmission circuit schematic diagram;
Fig. 5 is current detection circuit schematic diagram;
Fig. 6 is GPRS transmission circuit schematic diagram.
Embodiment
Elaborate below in conjunction with the specific embodiment of accompanying drawing to the invention.
As shown in figures 1 to 6, photovoltaic plant power line-carrier intelligent concentrator, comprise concentrator mainboard, many electric power cables, multiple mutual inductor and multiple shunt, each described electric power cable is connected with a described shunt through after a described mutual inductor, described shunt is shunted described electric power cable, electric power cable through described mutual inductor is all connected with described concentrator mainboard with the electric power cable shunted through described shunt, the power carrier transmission circuit that described concentrator mainboard comprises CPU and is connected respectively with described CPU, current detection circuit and GPRS transmission circuit.
Described power carrier transmission circuit comprises pickup coil TZ1, combination field effect transistor U1 and Transient Suppression Diode TVS1, the input end of described pickup coil TZ1 is successively by inductance L 2, input signal is connect after electric capacity CZ1, the output terminal described Transient Suppression Diode TVS1 in parallel of described pickup coil TZ1, at two ends resistance in series R3 and the electric capacity C2 of described Transient Suppression Diode TVS1, at the two ends of described electric capacity C2 successively shunt capacitance C6, inductance L 3 and switching diode D3, 3rd pin of described switching diode D3 is by connecing PLCIN signal after electric capacity C1, 7th pin of described combination field effect transistor U1 is successively by connecing the 2nd pin of pickup coil TZ1 after electric capacity C3 and inductance L 1, 4th pin of described combination field effect transistor U1 divides two-way, lead up to after resistance R1 and connect 12V power supply, at the two ends parallel diode D1 of described resistance R1, separately lead up to after electric capacity C4 and resistance R4 and export PLCOUT signal, 2nd pin of described combination field effect transistor U1 divides two-way, resistance R2 of leading up to connects the 1st pin of combination field effect transistor U1, at the two ends parallel diode D2 of described resistance R2, separately lead up to after electric capacity C5 and resistance R4 and export PLCOUT signal.
Described current detection circuit comprises operational amplifier U1A, U1B, U1C, 3 pin connecting resistance R2 one end of described operational amplifier U1A, the 2 pin connecting resistance R3 respectively of described operational amplifier U1A, one end of R4, the described resistance R2 other end is connecting resistance R1 respectively, one end of electric capacity C1, the described resistance R3 other end connects the other end of described electric capacity C1 respectively and meets GND, another termination input signal of described resistance R1 IFB, 1 pin of described operational amplifier U1A connects 5 pin of described operational amplifier U1B respectively, 8 pin of U1C and the other end of described resistance R4, the 6 pin connecting resistance R5 respectively of described operational amplifier U1B, one end of R7, described another termination of resistance R5+3.3V, one end of the 7 pin connecting resistance R6 of described operational amplifier U1B, another termination+3.3V of described resistance R6, 7 pin of described operational amplifier U1B output signal FO to described CPU, the other end of described resistance R7 outputs signal PO to described CPU, the 9 pin connecting resistance R8 respectively of described operational amplifier U1C, one end of R9, described resistance R9 other end ground connection, the described resistance R8 other end connects+3.3V and resistance R10 one end respectively, 10 pin of described operational amplifier U1C and the described resistance R10 other end output signal P1 to described CPU.
Described operational amplifier U1A, U1B, U1C model is LM324D.
Described combination field effect transistor U1 model is SP8M3, and described Transient Suppression Diode TVS1 model is P6KE27C.
Described CPU model is STM32F103VCT6.
The course of work of the preferred forms of photovoltaic plant power line-carrier intelligent concentrator is: the parameter detecting each road photovoltaic battery panel is aggregated in intelligent concentrator by power-line carrier communication through electric power cable, carry out demodulating raw data to the power carrier transmission circuit of concentrator mainboard by shunt one tunnel, and then give CPU and carry out data processing, CPU process is also given through overcurrent sensing circuit in another road, CPU carries out data the signal of each photovoltaic battery panel and adds location and be packaged into the packet meeting certain protocol format again through compression algorithm, finally become wireless signal transmission by GRPS transmission circuit to go out.
Above an embodiment of the invention has been described in detail, but described content being only the preferred embodiment of the invention, the practical range for limiting the invention can not being considered to.All equalization changes done according to the invention application range with improve, within the patent covering scope that still all should belong to the invention.
Claims (6)
1. photovoltaic plant power line-carrier intelligent concentrator, it is characterized in that: comprise concentrator mainboard, many electric power cables, multiple mutual inductor and multiple shunt, each described electric power cable is connected with a described shunt through after a described mutual inductor, described shunt is shunted described electric power cable, electric power cable through described mutual inductor is all connected with described concentrator mainboard with the electric power cable shunted through described shunt, the power carrier transmission circuit that described concentrator mainboard comprises CPU and is connected respectively with described CPU, current detection circuit and GPRS transmission circuit.
2. photovoltaic plant power line-carrier intelligent concentrator according to claim 1, it is characterized in that: described power carrier transmission circuit comprises pickup coil TZ1, combination field effect transistor U1 and Transient Suppression Diode TVS1, the input end of described pickup coil TZ1 is successively by inductance L 2, input signal is connect after electric capacity CZ1, the output terminal described Transient Suppression Diode TVS1 in parallel of described pickup coil TZ1, at two ends resistance in series R3 and the electric capacity C2 of described Transient Suppression Diode TVS1, at the two ends of described electric capacity C2 successively shunt capacitance C6, inductance L 3 and switching diode D3, 3rd pin of described switching diode D3 is by connecing PLCIN signal after electric capacity C1, 7th pin of described combination field effect transistor U1 is successively by connecing the 2nd pin of pickup coil TZ1 after electric capacity C3 and inductance L 1, 4th pin of described combination field effect transistor U1 divides two-way, lead up to after resistance R1 and connect 12V power supply, at the two ends parallel diode D1 of described resistance R1, separately lead up to after electric capacity C4 and resistance R4 and export PLCOUT signal, 2nd pin of described combination field effect transistor U1 divides two-way, resistance R2 of leading up to connects the 1st pin of combination field effect transistor U1, at the two ends parallel diode D2 of described resistance R2, separately lead up to after electric capacity C5 and resistance R4 and export PLCOUT signal.
3. photovoltaic plant power line-carrier intelligent concentrator according to claim 1, it is characterized in that: described current detection circuit comprises operational amplifier U1A, U1B, U1C, 3 pin connecting resistance R2 one end of described operational amplifier U1A, the 2 pin connecting resistance R3 respectively of described operational amplifier U1A, one end of R4, the described resistance R2 other end is connecting resistance R1 respectively, one end of electric capacity C1, the described resistance R3 other end connects the other end of described electric capacity C1 respectively and meets GND, another termination input signal of described resistance R1 IFB, 1 pin of described operational amplifier U1A connects 5 pin of described operational amplifier U1B respectively, 8 pin of U1C and the other end of described resistance R4, the 6 pin connecting resistance R5 respectively of described operational amplifier U1B, one end of R7, described another termination of resistance R5+3.3V, one end of the 7 pin connecting resistance R6 of described operational amplifier U1B, another termination+3.3V of described resistance R6, 7 pin of described operational amplifier U1B output signal FO to described CPU, the other end of described resistance R7 outputs signal PO to described CPU, the 9 pin connecting resistance R8 respectively of described operational amplifier U1C, one end of R9, described resistance R9 other end ground connection, the described resistance R8 other end connects+3.3V and resistance R10 one end respectively, 10 pin of described operational amplifier U1C and the described resistance R10 other end output signal P1 to described CPU.
4. photovoltaic plant power line-carrier intelligent concentrator according to claim 3, is characterized in that: described operational amplifier U1A, U1B, U1C model is LM324D.
5. photovoltaic plant power line-carrier intelligent concentrator according to claim 2, is characterized in that: described combination field effect transistor U1 model is SP8M3, and described Transient Suppression Diode TVS1 model is P6KE27C.
6. photovoltaic plant power line-carrier intelligent concentrator according to claim 1, is characterized in that: described CPU model is STM32F103VCT6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420864739.2U CN204423626U (en) | 2014-12-31 | 2014-12-31 | Photovoltaic plant power line-carrier intelligent concentrator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420864739.2U CN204423626U (en) | 2014-12-31 | 2014-12-31 | Photovoltaic plant power line-carrier intelligent concentrator |
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| CN204423626U true CN204423626U (en) | 2015-06-24 |
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| CN201420864739.2U Expired - Fee Related CN204423626U (en) | 2014-12-31 | 2014-12-31 | Photovoltaic plant power line-carrier intelligent concentrator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017076191A1 (en) * | 2015-11-02 | 2017-05-11 | 珠海格力电器股份有限公司 | Method, apparatus, and system for detecting working state of photovoltaic panel, and photovoltaic electrical system |
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2014
- 2014-12-31 CN CN201420864739.2U patent/CN204423626U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017076191A1 (en) * | 2015-11-02 | 2017-05-11 | 珠海格力电器股份有限公司 | Method, apparatus, and system for detecting working state of photovoltaic panel, and photovoltaic electrical system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150624 Termination date: 20171231 |