CN203352492U - Photovoltaic module output power optimization device - Google Patents
Photovoltaic module output power optimization device Download PDFInfo
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- CN203352492U CN203352492U CN2013204506282U CN201320450628U CN203352492U CN 203352492 U CN203352492 U CN 203352492U CN 2013204506282 U CN2013204506282 U CN 2013204506282U CN 201320450628 U CN201320450628 U CN 201320450628U CN 203352492 U CN203352492 U CN 203352492U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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Abstract
The utility model discloses a photovoltaic module output power optimization device. The device mainly comprises a sampling module, a power supply circuit module, a DC-DC conversion circuit module, a wireless communication module 1 and a CPU signal processing module which are sequentially connected. The sampling module, the CPU signal processing module and the DC-DC conversion circuit module are electrically connected in sequence. The power supply circuit module is connected with the CPU signal processing module. The CPU signal processing module is connected with the wireless communication module. The sampling module is composed of an input voltage sampling circuit, a current sampling circuit and an output voltage sampling circuit. According to the utility model, if the photovoltaic module is obstructed, the device measures the voltage and current signals of the photovoltaic module and performs the MPTT algorithm to optimize the output power of the photovoltaic module, thereby reducing the cost of power generation and maximizing the utilization of energy resources.
Description
Technical field
The utility model relates to field of photovoltaic power generation, especially a kind of output power of photovoltaic module optimization device.
Background technology
Photovoltaic module causes some of them to become load because of can not get illumination internal resistance increase owing to blocking, inner meeting produces a large amount of heats, be referred to as hot spot effect, this has a strong impact on performance and the life-span of solar cell, and there is very large danger, therefore in the output two ends parallel connection of photovoltaic module bypass diode.If shade is arranged on photovoltaic module, the photovoltaic module of series connection there will be and not mate phenomenon, and the power output of the photovoltaic module that affected by shade will reduce, and maximum power point also changes thereupon, thereby can't collect maximum electric energy from whole photovoltaic tandem.
The utility model content
The technical problems to be solved in the utility model is to provide a kind of device that can optimize output power of photovoltaic module, can improve power output in the situation that photovoltaic module is blocked, and reduces cost of electricity-generating, realizes that using energy source maximizes.
For solving the problems of the technologies described above, output power of photovoltaic module optimization device of the present utility model mainly is comprised of sampling module, power circuit module, DC-DC change-over circuit module, wireless communication module 1 and cpu signal processing module.Wherein sampling module, cpu signal processing module, DC-DC change-over circuit module are electrically connected successively; The power circuit module is connected with the cpu signal processing module; The cpu signal processing module is connected with wireless communication module.
Sampling module is comprised of input voltage sample circuit, current sampling circuit and output voltage sampling circuit.
The input voltage sample circuit is comprised of resistance, electric capacity and operational amplifier.The input voltage sample circuit directly is parallel to the output two ends of photovoltaic module, gathers voltage signal and is sent to the cpu signal processing module, by the cpu signal processing module, carries out the signal processing.
Current sampling circuit is comprised of sampling resistor, electric capacity and operational amplifier.Current sampling circuit gathers voltage signal and is sent to the cpu signal processing module, by the cpu signal processing module, carries out the signal processing.
Output voltage sampling circuit is comprised of resistance, electric capacity and operational amplifier.Output voltage sampling circuit gathers voltage signal and is sent to the cpu signal processing module, by the cpu signal processing module, carries out the signal processing.
The power circuit module is comprised of piezo-resistance, resettable fuse, triode, electric capacity, resistance, diode and low pressure difference linear voltage regulator.The power circuit module directly is parallel to the output two ends of photovoltaic module, for whole circuit provides stable operating voltage.
DC-DC change-over circuit module is by saying that power inductance, metal-oxide-semiconductor, diode and electric capacity form, and these devices form a boost booster circuit.
Wireless communication module is comprised of resistance, electric capacity, inductance, diode, triode and wireless telecommunications chip, and this module is connected with the cpu signal processing module by the SPI interface.
The cpu signal processing module includes device core device: STM32F0 series embedded microcontroller, the sampled signal of this resume module sampling module, effectively adjust Duty ratio control DC-DC change-over circuit module at the inner MPPT algorithm of carrying out of STM32F0 series embedded microcontroller, and by wireless communication module and extraneous communication.
The utility model patent is by measuring voltage, the current signal of photovoltaic module, by carrying out the power output of MPTT algorithm optimization photovoltaic module.
The accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated:
The structural representation that accompanying drawing 1 is the output power of photovoltaic module optimization device;
The connection layout that accompanying drawing 2 is the output power of photovoltaic module optimization device.
Wherein 100 sampling modules, 101 are that power circuit module, 102 is that DC-DC change-over circuit module, 103 is that wireless communication module, 104 is that cpu signal processing module, 100a are that input voltage sample circuit, 100b are that current sampling circuit, 100c are output voltage sampling circuit.
Specific embodiments
According to accompanying drawing 2, input voltage sample circuit 100a, current sampling circuit 100b, output voltage sampling circuit 100c, power circuit module 101, DC-DC change-over circuit module 102, wireless communication module 103 and cpu signal processing module 104 are electrically connected, have been formed complete signal sampling, algorithm process and the wireless telecommunications Quality Initiative of the utility model.
On the basis connected at above-mentioned hardware circuit, power circuit module 101 provides stable operating voltage for whole circuit, supports the normal operation of cpu signal processing module 103 and peripheral control circuit.Input voltage sampled signal, current sampling signal and the output voltage sampled signal that sampling module 100 gathers is sent to the analog to digital converter sampling of cpu signal processing module 104, be the filtering of the laggard line number word of digital signal by analog signal conversion, calculate the real-time power output P1 of photovoltaic module and preserve.Drive DC-DC change-over circuit module 102 by the pwm signal duty ratio of adjusting cpu signal processing module 104, the output voltage of DC-DC change-over circuit module 102 now, the power output of photovoltaic module all can change thereupon, the analog to digital converter of the cpu signal processing module 104 input voltage sampled signal of again sampling, current sampling signal and output voltage sampled signal, again calculate the real-time power output P2 of photovoltaic module, compare P1, the size of P2, (suppose that P2 is greater than P1 and is referred to as the forward adjustment, P2 is less than P1 for oppositely adjusting), if P2 > P1 forward adjustment, otherwise oppositely adjust, until reach P1, the absolute value of P2 difference equal zero or in rational error range till, this algorithmic procedure is referred to as the MPPT algorithm.
Cpu signal processing module 104 is controlled the execution of MPPT algorithm, by wireless communication module 103 and extraneous communication.
Basic principle of the present utility model, main circuit topological diagram and advantage of the present utility model have more than been described.The related personnel knows and can realize content of the present utility model by relevant the change; as can replacing to Hall current sensor, the sampling resistor of current sampling circuit 100b measures electric current; switching diode in DC-DC change-over circuit module 102 can replace to the metal-oxide-semiconductor that conducting resistance is very little and replace; STM32F0 series embedded microcontroller in cpu signal processing module 104 replaces with the microcontroller of other companies; but these replacements do not break away from category of the present utility model, and these changes still will fall in claimed the utility model scope.
Claims (9)
1. an output power of photovoltaic module optimization device, mainly sampling module, power circuit module, DC-DC change-over circuit module, wireless communication module and cpu signal processing module, consist of, it is characterized in that: sampling module, cpu signal processing module, DC-DC change-over circuit module are electrically connected successively; The power circuit module is connected with the cpu signal processing module; The cpu signal processing module is connected with wireless communication module.
2. output power of photovoltaic module optimization device according to claim 1, it is characterized in that: described sampling module is comprised of input voltage sample circuit, current sampling circuit and output voltage sampling circuit.
3. output power of photovoltaic module optimization device according to claim 2, it is characterized in that: described input voltage sample circuit is comprised of resistance, electric capacity and operational amplifier; This circuit directly is parallel to the output two ends of photovoltaic module, gathers voltage signal and is sent to the cpu signal processing module.
4. output power of photovoltaic module optimization device according to claim 2, it is characterized in that: described current sampling circuit is comprised of sampling resistor, electric capacity and operational amplifier, and this circuit gathers voltage signal and is sent to the cpu signal processing module.
5. output power of photovoltaic module optimization device according to claim 2, it is characterized in that: described output voltage sampling circuit is comprised of resistance, electric capacity and operational amplifier, and this circuit gathers voltage signal and is sent to the cpu signal processing module.
6. output power of photovoltaic module optimization device according to claim 1, it is characterized in that: described power circuit module is comprised of piezo-resistance, resettable fuse, triode, electric capacity, resistance, diode and low pressure difference linear voltage regulator, and this module is directly connected in the output two ends of photovoltaic module.
7. output power of photovoltaic module optimization device according to claim 1, it is characterized in that: described DC-DC change-over circuit module is comprised of power inductance, metal-oxide-semiconductor, diode and electric capacity.
8. output power of photovoltaic module optimization device according to claim 1, it is characterized in that: described wireless communication module is comprised of resistance, electric capacity, inductance, diode, triode and wireless telecommunications chip, and this module is connected with the cpu signal processing module by the SPI interface.
9. output power of photovoltaic module optimization device according to claim 1 is characterized in that: described cpu signal processing module includes by STM32F0 series embedded microcontroller, the sampled signal of this resume module sampling module; Effectively adjust Duty ratio control DC-DC change-over circuit module by the inner MPPT algorithm of carrying out of STM32F0 series embedded microcontroller; And by wireless communication module and extraneous communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204506282U CN203352492U (en) | 2013-07-27 | 2013-07-27 | Photovoltaic module output power optimization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204506282U CN203352492U (en) | 2013-07-27 | 2013-07-27 | Photovoltaic module output power optimization device |
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| Publication Number | Publication Date |
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| CN203352492U true CN203352492U (en) | 2013-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013204506282U Expired - Lifetime CN203352492U (en) | 2013-07-27 | 2013-07-27 | Photovoltaic module output power optimization device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112737349A (en) * | 2021-02-04 | 2021-04-30 | 深圳市联奥集成科技有限公司 | Solar energy optimizing device and solar power generation system |
-
2013
- 2013-07-27 CN CN2013204506282U patent/CN203352492U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112737349A (en) * | 2021-02-04 | 2021-04-30 | 深圳市联奥集成科技有限公司 | Solar energy optimizing device and solar power generation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160205 Address after: Rainbow Road Nanping Science and Technology Park 519060 Guangdong city of Zhuhai province No. 8 Patentee after: ZHUHAI SINGYES GREEN BUILDING TECHNOLOGY Co.,Ltd. Patentee after: ZHUHAI SINGYES RENEWABLE ENERGY TECHNOLOGY Co.,Ltd. Patentee after: HUNAN SINGYES SOLAR TECHNOLOGY Co.,Ltd. Address before: Rainbow Road Nanping Science and Technology Park 519060 Guangdong city of Zhuhai province No. 8 Patentee before: ZHUHAI SINGYES GREEN BUILDING TECHNOLOGY Co.,Ltd. Patentee before: ZHUHAI SINGYES RENEWABLE ENERGY TECHNOLOGY Co.,Ltd. Patentee before: HUNAN SINGYES SOLAR TECHNOLOGY Co.,Ltd. Patentee before: HUNAN SINGYES GREEN ENERGY SCIENCE & TECHNOLOGY CO.,LTD. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180507 Address after: 411100 1 Xingye Avenue, Jiuhua Economic District, Xiangtan, Hunan Patentee after: HUNAN XINGYE GREEN POWER TECHNOLOGY CO.,LTD. Address before: 519060 8 Hong Da Road, Nanping Science and Technology Park, Zhuhai, Guangdong Co-patentee before: ZHUHAI SINGYES RENEWABLE ENERGY TECHNOLOGY Co.,Ltd. Patentee before: ZHUHAI SINGYES GREEN BUILDING TECHNOLOGY Co.,Ltd. Co-patentee before: HUNAN SINGYES SOLAR TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 411100 1 Xingye Avenue, Jiuhua Economic District, Xiangtan, Hunan Patentee after: Hunan anhuayuan Power Technology Co.,Ltd. Address before: 411100 1 Xingye Avenue, Jiuhua Economic District, Xiangtan, Hunan Patentee before: HUNAN XINGYE GREEN POWER TECHNOLOGY Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131218 |