CN204031066U - Photovoltaic junction box and the photovoltaic module thereof with photovoltaic module substring level optimizational function - Google Patents
Photovoltaic junction box and the photovoltaic module thereof with photovoltaic module substring level optimizational function Download PDFInfo
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- CN204031066U CN204031066U CN201420492787.3U CN201420492787U CN204031066U CN 204031066 U CN204031066 U CN 204031066U CN 201420492787 U CN201420492787 U CN 201420492787U CN 204031066 U CN204031066 U CN 204031066U
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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 discloses a kind of photovoltaic junction box and photovoltaic module thereof with photovoltaic module substring level optimizational function, photovoltaic junction box comprises box body and a plurality of photovoltaic module substring level power optimization device, is provided with two wiring outputs and many group binding post groups on box body; Wherein, every group of binding post group, it is corresponding one by one with the assembly substring of photovoltaic module, and has positive terminal and negative terminal, and positive terminal is for the positive pole of coupling assembling substring, and negative terminal is for the negative pole of coupling assembling substring; Photovoltaic module substring level power optimization utensil has input wires port group and output connection port group, input wires port group comprises anodal input wires port and negative pole input wires port, anodal input wires port is connected with corresponding positive terminal, and negative pole input wires port is connected with corresponding negative terminal.The utility model not only can reduce not mating and the impact on photovoltaic module energy output such as assembly shade blocks between electrical component performance, and can reduce the hot spot failure risk of photovoltaic module.
Description
Technical field
The utility model relates to a kind of photovoltaic junction box and photovoltaic module thereof with photovoltaic module substring level optimizational function.
Background technology
At present, solar energy industry is as a kind of low-carbon (LC) regenerative resource, just worldwide flourish, various countries' installation increase year after year.In photovoltaic system, photovoltaic module is most important core component, the function that to bear by transform light energy be electric energy.Conventional photovoltaic module adopts conventional terminal box design conventionally, configures the diode of some in terminal box, and diode only lost efficacy and plays a protective role the hot spot of assembly, conventionally there is no the function of performance optimization.
In system, conventionally need to select the same or completely approaching photovoltaic module of unit for electrical property parameters to carry out connection in series-parallel and connect to form system.As select unmatched assembly or occur that in assembly installation place shade blocks, not only can exert an influence to the assembly being blocked, reduce energy output, and other assembly in same circuit also can be affected, make the output of systems array occur declining to a great extent, have a strong impact on the energy output of system.Meanwhile, in general photovoltaic system, be provided with MPPT maximal power tracing function, this function conventionally inverter in system realizes the automatic tracing of maximum power point, in the hope of photovoltaic module, is operated in maximum power point position, and energy output is maximized.In the system of same amount of capacity, MPPT quantity is more, larger to the gain of energy output.
Summary of the invention
Technical problem to be solved in the utility model is the defect that overcomes prior art, a kind of photovoltaic junction box with photovoltaic module substring level optimizational function is provided, it not only can reduce not mating and the impact on photovoltaic module energy output such as assembly shade blocks between electrical component performance, and can reduce the hot spot failure risk of photovoltaic module, the applicability and the reliability that have promoted widely the photovoltaic module in complicated occasion, different installation environment, improve its energy output.
In order to solve the problems of the technologies described above, the technical solution of the utility model is: a kind of photovoltaic junction box with photovoltaic module substring level optimizational function, comprise box body, also comprise a plurality of photovoltaic module substring level power optimization devices, on box body, be provided with two wiring outputs and many group binding post groups; Wherein,
Every group of binding post group, it is corresponding one by one with the assembly substring of photovoltaic module, and has positive terminal and negative terminal, and positive terminal is for the positive pole of coupling assembling substring, and negative terminal is for the negative pole of coupling assembling substring;
Photovoltaic module substring level power optimization device, it is also corresponding one by one with the assembly substring of photovoltaic module, and there is input wires port group and output connection port group, input wires port group comprises anodal input wires port and negative pole input wires port, anodal input wires port is connected with corresponding positive terminal, negative pole input wires port is connected with corresponding negative terminal, output connection port group comprises anodal output connection port and negative pole output connection port, photovoltaic module substring level power optimization device is connected successively by the connector between output connection port group, and the negative pole output connection port of first photovoltaic module substring level power optimization device is electrically connected mutually with one of them wiring output, the anodal output connection port of a most end photovoltaic module substring level power optimization device is electrically connected mutually with another one wiring output.
Further in order to make it connect conducting, conveniently with without other wiring be connected, in described box body, be provided with a plurality of installation positions, photovoltaic module substring level power optimization device is arranged in corresponding installation position, the anodal input wires port of photovoltaic module substring level power optimization device, negative pole input wires port, on anodal output connection port and negative pole output connection port, be provided with draw-in groove mouth, described positive terminal, negative terminal, connector is provided with the card convex corresponding with draw-in groove mouth with the corresponding site on box body on wiring output, the mutual conducting between the two of cooperation realization by card convex and draw-in groove mouth is connected.
Further, described binding post group is provided with three groups, and described photovoltaic module substring level power optimization device is provided with three.
The utility model also provides a kind of photovoltaic module, and it adopts this photovoltaic junction box with photovoltaic module substring level optimizational function, and has assembly substring a plurality of and that binding post group photovoltaic junction box connects one to one.
Adopted after technique scheme, photovoltaic module substring level power optimization utensil in photovoltaic junction box of the present utility model has photovoltaic module substring level optimizational function, so-called substring level optimizational function is decomposed into rational quantity to the assembly substring in photovoltaic module, cell piece in current normally each photovoltaic module is divided into 3 assembly substrings, photovoltaic module substring level power optimization device can increase system in MPPT quantity, the output current of each the assembly substring in photovoltaic module and output voltage are regulated to optimization, thereby produce best power, make assembly reach the optimum balance of energy output gain and cost, the energy output of remarkable lifting subassembly in system, can solve between remarkable reduction electrical component performance and not mate, in system, assembly shade such as blocks at the impact on photovoltaic system energy output, also can reduce the hot spot failure risk of assembly simultaneously, greatly be lifted at complicated occasion, applicability and the reliability of photovoltaic module in different installation environments.The cell piece substring rank optimizational function that terminal box and assembly thereof have is simultaneously the energy output of elevator system effectively.
Accompanying drawing explanation
Fig. 1 is the photovoltaic junction box schematic internal view with photovoltaic module substring level optimizational function of the present utility model;
Fig. 2 is the structural representation of photovoltaic module of the present utility model.
Embodiment
For content of the present utility model is more easily expressly understood, according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail below.
As shown in Figure 1, a kind of photovoltaic junction box with photovoltaic module substring level optimizational function, comprises box body 1, also comprises a plurality of photovoltaic module substring level power optimization devices 2, is provided with two wiring output 1-1 and many group binding post groups on box body 1; Wherein,
Every group of binding post group, it is corresponding one by one with the assembly substring of photovoltaic module 3, and has positive terminal 1-2 and negative terminal 1-3, and positive terminal 1-2 is for the positive pole of coupling assembling substring, and negative terminal 1-3 is for the negative pole of coupling assembling substring;
Photovoltaic module substring level power optimization device 2, it is also corresponding one by one with the assembly substring of photovoltaic module 3, and there is input wires port group and output connection port group, input wires port group comprises anodal input wires port 2-1 and negative pole input wires port 2-2, anodal input wires port 2-1 is connected with corresponding positive terminal 1-2, negative pole input wires port 2-2 is connected with corresponding negative terminal 1-3, output connection port group comprises anodal output connection port 2-3 and negative pole output connection port 2-4, photovoltaic module substring level power optimization device 2 is connected successively by the connector 4 between output connection port group, and the negative pole output connection port 2-4 of first photovoltaic module substring level power optimization device 2 and one of them wiring output 1-1 are electrically connected mutually, the anodal output connection port 2-3 of a most end photovoltaic module substring level power optimization device 2 is electrically connected mutually with another one wiring output 1-1.
As shown in Figure 1, in box body 1, be provided with a plurality of installation positions, photovoltaic module substring level power optimization device 2 is arranged in corresponding installation position, the anodal input wires port 2-1 of photovoltaic module substring level power optimization device 2, negative pole input wires port 2-2, on anodal output connection port 2-3 and negative pole output connection port 2-4, be provided with draw-in groove mouth 23, positive terminal 1-2, negative terminal 1-3, on connector 4 and the corresponding site of wiring output 1-1 on box body 1, be provided with the card convex corresponding with draw-in groove mouth 23, the mutual conducting between the two of cooperation realization by card convex and draw-in groove mouth 23 is connected.
Binding post group is provided with three groups, and photovoltaic module substring level power optimization device 2 is provided with three, but be not limited to this, according to component specification, can select the quantity of different binding post group quantity and corresponding photovoltaic module substring level power optimization device 2.
As shown in Figure 2, a kind of photovoltaic module, it adopts has the photovoltaic junction box of photovoltaic module substring level optimizational function, and has assembly substring a plurality of and that binding post group photovoltaic junction box connects one to one.
As shown in Figure 1, on box body 1, be designed with the wiring window 1-4 of assembly substring input wires, the binding post of the corresponding access of the input wires input window 1-4 below of assembly substring; On box body, be designed with the position of being convenient to install fixed light photovoltaic assembly substring level power optimization device 2, on each position, be designed with small embossment-card convex, be convenient to photovoltaic module substring level power optimization device 2 location, place and fix; After photovoltaic module substring level power optimization device 2 is placed and is fixed, the Wiring port of photovoltaic module substring level power optimization device 2 can with other port conductings corresponding thereto, be the conducting that is connected of the binding post group input wires port group corresponding with photovoltaic module substring level power optimization device 2, between photovoltaic module substring level power optimization device 2 and photovoltaic module substring level power optimization device 2, be connected conducting also by connector 4 mutual conduction.
The photovoltaic module substring level power optimization device 2 in the box body 1 of terminal box is fixed in placement shown in Fig. 1, its size dimension mates with installation position and bulk in box body 1, on photovoltaic module substring level power optimization device 2, offer four and be convenient to location, the draw-in groove mouth 23 of installing, the groundwork principle of photovoltaic module substring level power optimization device 2 is, on it, be designed with corresponding anodal input wires port 2-1, negative pole input wires port 2-2, anodal output connection port 2-3 and negative pole output connection port 2-4, after being arranged on box body, between Wiring port and assembly substring, between photovoltaic module substring level power optimization device 2 and photovoltaic module substring level power optimization device 2 and all realize conducting between photovoltaic module substring level power optimization device 2 and wiring output 1-1 and be connected.
Box body 1 also should have connector cover, realizes conventional sealing, defencive function, meets and uses function, there is no specific (special) requirements, does not show inner utility model structure in figure, does not draw lid.
As shown in Figure 2, adopt the photovoltaic module after this terminal box is installed, assembly substring adopts the circuit stacked system output of six electrode outputs, and six electrodes are by the correspondence position of the input window thereto of terminal box.Make between the corresponding assembly substring of assembly with photovoltaic module substring level power optimization device 2 between form specific circuit and be connected, thereby realize the optimizational function to battery strings performance.
The VT8020/VT8024 photovoltaic module substring level optimizer intelligent chip that this photovoltaic module substring level power optimization device 2 can adopt Mei Xin semiconductor company to produce.
Above-described specific embodiment; technical problem to be solved in the utility model, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (4)
1. a photovoltaic junction box with photovoltaic module substring level optimizational function, comprise box body (1), it is characterized in that: also comprise a plurality of photovoltaic module substring level power optimization devices (2), on box body (1), be provided with two wiring outputs (1-1) and many group binding post groups; Wherein,
Every group of binding post group, it is corresponding one by one with the assembly substring of photovoltaic module (3), and there is positive terminal (1-2) and negative terminal (1-3), positive terminal (1-2) is for the positive pole of coupling assembling substring, and negative terminal (1-3) is for the negative pole of coupling assembling substring;
Photovoltaic module substring level power optimization device (2), it is also corresponding one by one with the assembly substring of photovoltaic module (3), and there is input wires port group and output connection port group, input wires port group comprises anodal input wires port (2-1) and negative pole input wires port (2-2), anodal input wires port (2-1) is connected with corresponding positive terminal (1-2), negative pole input wires port (2-2) is connected with corresponding negative terminal (1-3), output connection port group comprises anodal output connection port (2-3) and negative pole output connection port (2-4), photovoltaic module substring level power optimization device (2) is connected successively by the connector (4) between output connection port group, and the negative pole output connection port (2-4) of first photovoltaic module substring level power optimization device (2) is electrically connected mutually with one of them wiring output (1-1), the anodal output connection port (2-3) of a most end photovoltaic module substring level power optimization device (2) is electrically connected mutually with another one wiring output (1-1).
2. the photovoltaic junction box with photovoltaic module substring level optimizational function according to claim 1, it is characterized in that: described box body is provided with a plurality of installation positions in (1), photovoltaic module substring level power optimization device (2) is arranged in corresponding installation position, the anodal input wires port (2-1) of photovoltaic module substring level power optimization device (2), negative pole input wires port (2-2), on anodal output connection port (2-3) and negative pole output connection port (2-4), be provided with draw-in groove mouth (23), described positive terminal (1-2), negative terminal (1-3), on connector (4) and the corresponding site of wiring output (1-1) on box body (1), be provided with the card convex corresponding with draw-in groove mouth (23), the mutual conducting between the two of cooperation realization by card convex and draw-in groove mouth (23) is connected.
3. the photovoltaic junction box with photovoltaic module substring level optimizational function according to claim 1, is characterized in that: described binding post group is provided with three groups, and described photovoltaic module substring level power optimization device (2) is provided with three.
4. a photovoltaic module, it is characterized in that: its adopts as the photovoltaic junction box with photovoltaic module substring level optimizational function as described in any according to claims 1 to 3, and has assembly substrings a plurality of and that binding post group photovoltaic junction box connects one to one.
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| CN201420492787.3U CN204031066U (en) | 2014-08-28 | 2014-08-28 | Photovoltaic junction box and the photovoltaic module thereof with photovoltaic module substring level optimizational function |
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| CN201420492787.3U CN204031066U (en) | 2014-08-28 | 2014-08-28 | Photovoltaic junction box and the photovoltaic module thereof with photovoltaic module substring level optimizational function |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104184408A (en) * | 2014-08-28 | 2014-12-03 | 常州天合光能有限公司 | Photovoltaic junction box with photovoltaic module substring level optimizing function and photovoltaic module thereof |
| CN107846038A (en) * | 2017-09-15 | 2018-03-27 | 珠海格力电器股份有限公司 | A kind of photovoltaic termination, power optimized system and method |
| CN110729964A (en) * | 2018-07-17 | 2020-01-24 | 浙江英达威芯电子有限公司 | Photovoltaic system and photovoltaic module thereof |
-
2014
- 2014-08-28 CN CN201420492787.3U patent/CN204031066U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104184408A (en) * | 2014-08-28 | 2014-12-03 | 常州天合光能有限公司 | Photovoltaic junction box with photovoltaic module substring level optimizing function and photovoltaic module thereof |
| CN107846038A (en) * | 2017-09-15 | 2018-03-27 | 珠海格力电器股份有限公司 | A kind of photovoltaic termination, power optimized system and method |
| CN107846038B (en) * | 2017-09-15 | 2019-12-31 | 珠海格力电器股份有限公司 | Photovoltaic wiring device, power optimization system and method |
| CN110729964A (en) * | 2018-07-17 | 2020-01-24 | 浙江英达威芯电子有限公司 | Photovoltaic system and photovoltaic module thereof |
| CN110729964B (en) * | 2018-07-17 | 2021-09-21 | 浙江英达威芯电子有限公司 | Photovoltaic system and photovoltaic module thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Solar photovoltaic industry park Tianhe Road 213031 north of Jiangsu Province, Changzhou City, No. 2 Patentee after: TRINA SOLAR Co.,Ltd. Address before: Solar photovoltaic industry park Tianhe Road 213031 north of Jiangsu Province, Changzhou City, No. 2 Patentee before: trina solar Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP03 | Change of name, title or address |
Address after: Solar photovoltaic industry park Tianhe Road 213031 north of Jiangsu Province, Changzhou City, No. 2 Patentee after: trina solar Ltd. Address before: Tianhe Electronic Industrial Park Road 213022 north of Jiangsu Province, Changzhou City, No. 2 Patentee before: CHANGZHOU TRINA SOLAR ENERGY Co.,Ltd. |
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| CP03 | Change of name, title or address |