CN204349905U - A kind of photovoltaic DC power optimization device - Google Patents
A kind of photovoltaic DC power optimization device Download PDFInfo
- Publication number
- CN204349905U CN204349905U CN201520053792.9U CN201520053792U CN204349905U CN 204349905 U CN204349905 U CN 204349905U CN 201520053792 U CN201520053792 U CN 201520053792U CN 204349905 U CN204349905 U CN 204349905U
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- photovoltaic
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- circuit board
- housing
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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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
Abstract
The utility model provides a kind of photovoltaic DC power optimization device, and comprise cover plate, housing and circuit board, circuit board is fixedly mounted in housing, and cover plate is by housings close.Especially, first input end and first output of circuit board extend housing directly or indirectly, form the second input and second output of photovoltaic power optimizer; Second input of photovoltaic power optimizer and the second output are respectively male joint and the female joint of connector.Above-mentioned connector is preferably MC4 connector, and housing is preferably ABS polymer fire proofing, and integral protection grade reaches IP67.Total Product of the present utility model is simple for structure, and volume is little, convenient for installation and maintenance, and degree of protection is high, and applying flexible, is conducive to reducing installation, use, O&M cost.
Description
Technical field
The utility model relates to a kind of photovoltaic DC power optimization device, belongs to photovoltaic power generation structure technical field.
Background technology
Full name " MPPT maximum power point tracking " (the Maximum Power Point Tracking) controller for solar of MPPT controller.Solar energy is one of the most promising regenerative resource on market.The investment repayment of photovoltaic system depends on the energy output that this system is annual, and the photovoltaic system that therefore user needs must possess efficient, simple for structure, reliable and be easy to the characteristics such as maintenance, thus can obtain energy output to greatest extent.In photovoltaic power system, the mode being used for realizing photovoltaic module best power is MPPT, and common is at present that all cell panels are received single inverter to perform MPPT.The defect of this scheme is, in whole shell structure, degree of protection does not reach requirement, and installation and maintenance are inconvenient, easily aging, the unification of input and output point.
Summary of the invention
Technical purpose of the present utility model is the defect solving above-mentioned prior art, provides a kind of novel photovoltaic power optimizer, thus improves degree of protection, simplifies installation and maintenance, reduces O&M cost.
Technical purpose of the present utility model realizes by the following technical solutions.
A kind of photovoltaic DC power optimization device that the utility model provides, comprise cover plate, housing and circuit board, circuit board is fixedly mounted in housing, and cover plate is by housings close.Wherein, first input end and first output of circuit board extend housing directly or indirectly, form the second input and second output of photovoltaic power optimizer; Second input of photovoltaic power optimizer and the second output are respectively male joint and the female joint of connector.
The benefit of technique scheme is, no matter the input of circuit board and output are the input and the output that directly extend or indirectly extend photovoltaic power optimizer, by the male joint of connector and supporting the use of female joint, just make two kinds of structures compatiblely to use, can select arbitrarily according to user's request.This provides for improved application flexibility of the present utility model, simplify installation and maintenance, reduce O&M cost.
As a preferred version, the first input end of circuit board and the first output can adopt splicing ear to be fixed on housing, and extend connection cable respectively; The end of connection cable forms the second input and second output of photovoltaic power optimizer respectively.In the program, first input end and first output of circuit board extend housing indirectly by connection cable, form the second input and second output of photovoltaic power optimizer.
For reaching better degree of protection, first input end and first output of preferred circuit plate extend connection cable by cable-through hole, and cable-through hole adopts Waterproof lock to protect.Adopt in this way, integral protection grade can reach IP67.
Accompanying drawing explanation
Fig. 1 is the utility model is connected to the photovoltaic power optimizer of connector schematic diagram by connection cable;
Fig. 2 is the schematic diagram that the utility model is directly connected to the photovoltaic power optimizer of connector; And
Fig. 3 is the application schematic diagram that photovoltaic power optimizer series parallel of the present utility model connects cell panel.
Embodiment
Below in conjunction with the drawings and specific embodiments, technical scheme of the present invention is described in further details.
A kind of photovoltaic DC power optimization device that the utility model provides, comprise cover plate 10, housing 11 and circuit board 12, circuit board 12 is fixedly mounted in housing 11, and housing 11 is closed, shown in Fig. 1 and Fig. 2 by cover plate 10.Wherein, first input end and first output of circuit board 12 extend housing 11 directly or indirectly, form the second input and second output of photovoltaic power optimizer; Second input of photovoltaic power optimizer and the second output are respectively male joint 3 and the female joint 4 of connector.
The benefit of above-mentioned embodiment is, no matter the input of circuit board and output are the input and the output that directly extend or indirectly extend photovoltaic power optimizer, by the male joint of connector and supporting the use of female joint, just make two kinds of structures compatiblely to use, can select arbitrarily according to user's request.This provides for improved application flexibility of the present utility model, simplify installation and maintenance, reduce O&M cost.
As shown in Figure 1, circuit board 12 is fixed on housing 11 by four pairs of screws 1, and screw 1 is preferably M4 screw.The first input end of circuit board 12 and the first output adopt splicing ear 2 and 7 to be fixed on housing 11, and extend connection cable 6 and 6 ' respectively; Connection cable 6 and 6 ' end form the second input and second output of photovoltaic power optimizer respectively, the second input of photovoltaic power optimizer and the second output are made up of the male joint 3 of connector and female joint 4 respectively.In the program, the first input end of circuit board 12 and the first output extend housing 11 indirectly by connection cable 6 and 6 ', form the second input and second output of photovoltaic power optimizer.
For reaching better degree of protection, the first input end of circuit board 12 and the first output extend connection cable 6 and 6 ' by cable-through hole 5 and 5 ', and cable-through hole 5 and 5 ' adopts Waterproof lock to protect.Adopt in this way, integral protection grade can reach IP67.
Embodiment shown in Fig. 2 and difference embodiment illustrated in fig. 1 are, the first input end of circuit board 12 and the first output are directly fixed on housing 11, and the outside extending to housing 11 forms the second input of photovoltaic power optimizer and the second output, the second input of photovoltaic power optimizer and the second output are made up of the male joint 3 of connector and female joint 4 respectively.The structure of other parts be connected identical or approximate.
Embodiment shown in Fig. 1 and Fig. 2, connector is chosen as MC4 connector.Housing 11 preferably adopts ABS polymer fire proofing to make, and this material is corrosion-resistant, high temperature resistant, anti-aging, can promote the degree of protection of photovoltaic power optimizer better, makes integral protection grade reach IP67.Circuit board in above-described embodiment can adopt the DC-DC power optimization circuit realiration with MPPT function in prior art.
Photovoltaic power optimizer housing provided by the utility model adopts ABS polymer fire proofing, and simple for structure, convenient for installation and maintenance, volume is little, and useful life, housing degree of protection reached IP67 at 15-20.The input and output point of photovoltaic power optimizer adopts cable to connect or the docking of MC4 adapter connector, and both interchangeable choice for uses facilitating adapter connector to inserting, also greatly can reduce the use cost of cable during multiple series series.
When applying photovoltaic power optimizer 9 of the present utility model, can be undertaken by the mode shown in Fig. 3.Photovoltaic cells 8, DC-DC photovoltaic power optimizer 9 and inverter 21 is comprised shown in Fig. 3.Wherein, each photovoltaic cells 8 series connection DC-DC photovoltaic power optimizer 9, and the output of photovoltaic cells 8 connects the input of DC-DC photovoltaic power optimizer 9, and forming unit 20 of connecting, multiple unit 20 is connected in parallel further, is connected to the input of inverter 21.
Claims (7)
1. a photovoltaic DC power optimization device, comprises cover plate, housing and circuit board, and described circuit board is fixedly mounted in described housing, and described cover plate, by described housings close, is characterized in that:
First input end and first output of described circuit board extend described housing directly or indirectly, form the second input and second output of described photovoltaic power optimizer; Described second input of described photovoltaic power optimizer and described second output are respectively male joint and the female joint of connector.
2., according to photovoltaic DC power optimization device according to claim 1, it is characterized in that:
Described circuit board is fixed by screws on described housing.
3., according to photovoltaic DC power optimization device according to claim 2, it is characterized in that:
Described screw is M4 screw.
4., according to photovoltaic DC power optimization device according to claim 1, it is characterized in that:
The described first input end of described circuit board and described first output adopt splicing ear fixing on the housing, and extend connection cable respectively;
The end of described connection cable forms described second input of described photovoltaic power optimizer and described second output respectively.
5., according to photovoltaic DC power optimization device according to claim 4, it is characterized in that:
Described first input end and described first output of described circuit board extend described connection cable by cable-through hole, and described cable-through hole adopts Waterproof lock to protect.
6., according to arbitrary described photovoltaic DC power optimization device of Claims 1 to 5, it is characterized in that:
Described connector is MC4 connector.
7., according to photovoltaic DC power optimization device according to claim 6, it is characterized in that:
Described housing adopts ABS polymer fire proofing to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520053792.9U CN204349905U (en) | 2015-01-26 | 2015-01-26 | A kind of photovoltaic DC power optimization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520053792.9U CN204349905U (en) | 2015-01-26 | 2015-01-26 | A kind of photovoltaic DC power optimization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204349905U true CN204349905U (en) | 2015-05-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520053792.9U Active CN204349905U (en) | 2015-01-26 | 2015-01-26 | A kind of photovoltaic DC power optimization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204349905U (en) |
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2015
- 2015-01-26 CN CN201520053792.9U patent/CN204349905U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Shenzhen Nanshan District City, Guangdong province 518055 White Pine Road Baiwang letter two Industrial Park District building seventh Patentee after: SHENZHEN WINLINE TECHNOLOGY CO., LTD. Address before: Shenzhen Nanshan District City, Guangdong province 518055 White Pine Road Baiwang letter two Industrial Park District building seventh Patentee before: Shenzhen Winline Technology Co., Ltd. |