CN204794882U - Solar energy component uses split type terminal box and solar module thereof - Google Patents
Solar energy component uses split type terminal box and solar module thereof Download PDFInfo
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- CN204794882U CN204794882U CN201520467313.8U CN201520467313U CN204794882U CN 204794882 U CN204794882 U CN 204794882U CN 201520467313 U CN201520467313 U CN 201520467313U CN 204794882 U CN204794882 U CN 204794882U
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- box
- line box
- split type
- electric conductor
- solar
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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 solar energy component uses split type terminal box, including mutually independent forefront box, medium line box and second -line box, the medium line box sets up between forefront box and second -line box, and photovoltaic connector negative pole is connected to the forefront box, and it is anodal that the photovoltaic connector is connected to the second -line box, and each line box all includes box body and lid that can closed box body, its characterized in that: be provided with a bypass diode respectively in the box body of each line box, be used for the terminal of coupling assembling lead -out wire and connect two electric conductors of bypass diode and terminal, thereby it makes bypass diode and terminal level set up side by side to form two link bits of transverse distribution between two electric conductors. And simultaneously, the utility model also discloses an use solar energy component is with the solar module of split type terminal box. The utility model discloses prevent the hot spot effect effectively, improve solar cell's photoelectric conversion efficiency.
Description
Technical field
The utility model relates to a kind of terminal box, particularly relates to a kind of solar components Split type connecting box and solar module thereof, belongs to solar components technical field.
Background technology
Solar junction box connects the connector between solar cell array and rechargeable solar battery control device, and its main effect is exactly be stored up to storage battery through cable transmission by the electric energy that solar module produces.
In prior art, generally line box is arranged on the cell piece back side, traditional monomer-type line box due to volume comparatively large, can block 2 ~ 4 cell piece back sides of middle two strings, cable longer in addition also can block some cell piece back sides.Terminal box blocking cell piece, affect the heat radiation of cell piece on the one hand, on the other hand, the heat that terminal box produces also has the cell piece that can be delivered to assembly greatly, cause assembly cell piece temperature to raise, and photovoltaic module generating efficiency becomes negative correlation with temperature, the temperature power coefficient of typical polycrystalline assembly is about-0.4%/DEG C, for one piece 60 156 polycrystalline assemblies (average power is about 255W), when assembly temperature often raises 1 DEG C, power drop 1.02W.And existing monomer-type line box can block two panels cell piece, and shielded area is usual very greatly at about 100 square centimeters, the back side for double-side cell sheet is enough to produce hot spot effect, causes the cell piece back side to be bypassed shorted diode, loses electricity generate function.
For this reason, people have carried out various trial and improvement, have devised Split type connecting box.But, existing Split type connecting box diode is arranged in the front end of lead-out wire welding clip-connecting rod too, whole line box longitudinal length is very long, still larger area can be caused to block cell piece, cable and terminal also can cause cell piece and block in addition, cause photovoltaic module efficiency to reduce and hot spot effect, above-mentioned technical problem is not still settled properly.
Summary of the invention
The utility model is in prior art, terminal box volume is larger, block cell piece, produce hot spot effect, the technical problem causing assembly photoelectric conversion efficiency to reduce, provide a kind of solar components Split type connecting box, volume is little, reduce blocking assembly, improve the photoelectric conversion efficiency of assembly; Meanwhile, the utility model also provides a kind of solar module using described solar components Split type connecting box, improves the generating efficiency of solar module.
For this reason, the utility model adopts following technical scheme:
A kind of solar components Split type connecting box, comprise separate First Line box (10), mid line box (20) and the second line box (30), described mid line box (20) is arranged between First Line box (10) and the second line box (30), First Line box (10) connects photovoltaic connector negative pole, second line box (30) connects photovoltaic connector positive pole, each line box includes box body (1) and can the lid of closed box, it is characterized in that: in the box body (1) of each line box, be respectively arranged with a bypass diode (2), for the binding post (3) of coupling assembling lead-out wire and two electric conductors of connection bypass diode and binding post (3), form two connection bits (4) of cross direction profiles between two electric conductors thus bypass diode (2) and binding post (3) horizontal Tile ground are arranged.
Further, described two electric conductors are the first electric conductor (5) and the second electric conductor (6), two ends of the first electric conductor (5) are bent to form two first connecting portions (5a) parallel with the second electric conductor (6), form two described connection bits (4) between two the first connecting portions (5a) and the second electric conductor (6) respectively.
Further, described second electric conductor (6) is positioned between two the first connecting portions (5a) of the first electric conductor.
Further, two the second connecting portions (6a) be connected with the first connecting portion (5a) are above formed described second electric conductor (6).
Further, described electric conductor is copper base.
Further, described mid line box (20) is one or more.
Solar components Split type connecting box of the present utility model, the structure of line box is redesigned, by diode and lead-out wire welded post are arranged in parallel, bypass diode is arranged on the left side or the right of binding post, the longitudinal length of line box is reduced and in the shape of prolate, thus line box can be made can to avoid the position of cell piece after mounting, be beneficial to assembly radiating, the heat that also can reduce the generation of line box is delivered to the amount of assembly cell piece; On the other hand, after line box structure becomes prolate shape, the heat radiation of line box is more conducive to; Simultaneously, the line box of prolate shape of the present utility model is also more suitable on Double-sided battery pack, because the line box of prolate shape can avoid blocking of the cell piece back side completely, thus change need not be carried out to solar module itself and can realize, save assembly cost, improve solar components reliability.
Simultaneously, the utility model additionally provides a kind of solar module (100) using described solar components Split type connecting box, comprise some cell pieces (101), upper strata glass and backboard or rear glass sheet, connect by interconnecting strip and busbar (102) and pass through assembly lead-out wire (103) between cell piece and be connected with the binding post (3) of described solar components with Split type connecting box.
Further, described some cell pieces (101) are longitudinally divided into array, and every two Battery pack sheets connect a mid line box (20).
Further, described cell piece (101) is double-side cell sheet, and described backboard is transparent back panel or rear glass sheet.
The solar module of the described solar components Split type connecting box of use of the present utility model, can reduce the hot spot effect produced because terminal box is blocked, and reduces the heat transmission of terminal box to assembly, thus improves the efficiency of solar module; Meanwhile, for Double-sided battery pack, terminal box blocking the cell piece back side can be prevented completely, and need not solar module itself be changed, save assembly cost, improve solar components reliability.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model First Line box;
Fig. 2 is the structural representation of the utility model mid line box;
Fig. 3 is the structural representation of the utility model second line box;
Fig. 4 is the structural representation of the utility model solar module;
Wherein, 1 is box body, and 2 is bypass diode, and 3 is binding post, and 4 is connection bit, and 5 is the first electric conductor, and 5a is the first connecting portion, and 6 is the second electric conductor, and 6a is the second connecting portion, and 10 is First Line box, and 20 is mid line box, and 30 is the second line box; 100 is solar module, and 101 is double-side cell sheet, and 102 is busbar, and 103 is assembly lead-out wire.
Embodiment
In order to make those skilled in the art person better understand the utility model scheme, carry out clear, complete description below in conjunction with accompanying drawing to the technical solution of the utility model, part same as the prior art in the utility model is with reference to prior art.
Embodiment 1:
As Figure 1-3, solar components Split type connecting box of the present utility model, comprise separate First Line box 10, mid line box 20 and the second line box 30, described mid line box 20 is arranged between First Line box 10 and the second line box 30, First Line box 10 connects photovoltaic connector negative pole, second line box 30 connects photovoltaic connector positive pole, each line box includes box body 1 and can the lid of closed box, a bypass diode 2 is respectively arranged with in the box body 1 of each line box, for the binding post 3 of coupling assembling lead-out wire and the first electric conductor 5 and the second electric conductor 6 of connection bypass diode and binding post 3, between the first electric conductor 5 and the second electric conductor 6, form two connection bits 4 of cross direction profiles thus bypass diode 2 and binding post 3 are arranged abreast.Particularly, two ends of the first electric conductor 5 are bent to form two the first connecting portion 5as parallel with the second electric conductor 6, second electric conductor 6 is between two the first connecting portion 5a of the first electric conductor, second electric conductor 6 is formed two the second connecting portion 6a be connected with the first connecting portion 5a, thus form two described connection bits 4 respectively between two the first connecting portion 5a and the second electric conductor 6.
In the present embodiment, described first electric conductor 5 and the second electric conductor 6 are copper base; Mid line box 20 is one.
Certainly, in other embodiments, electric conductor also can adopt other electric conducting materials; Second electric conductor also can be arranged at the side of the first electric conductor, is namely positioned at the outside of two the first connecting portions.
The mode of the utility model by being arranged above and below with the binding post being connected lead-out wire by bypass diode in prior art, arranges with changing to diode and binding post horizontal Tile.Diode is connected with binding post by the special design being bent inflection by electric conductor, thus realizes side diode being arranged in binding post, reaches the object reducing line box longitudinal length.
Embodiment 2:
As shown in Figure 4, another aspect of the present utility model, provides a kind of solar module 100 using above-mentioned terminal box, in the present embodiment, described solar components is double-sided solar assembly, comprises some double-side cell sheets 101, upper strata glass and lower floor's transparent back panel or glass.Double-side cell sheet 101 is longitudinally divided into array, in the present embodiment, every block assembly is divided into 6 groups, often group comprises 10 double-side cell sheets 101, connected by interconnecting strip and busbar 102 between each double-side cell sheet 101 and be connected with the binding post 3 of described solar components with Split type connecting box by assembly lead-out wire 103, can be welding or clamping, every two Battery pack sheets connect a line box.Particularly, the 1st group to be connected the 10,3rd group, First Line box and to be connected the 20,5th group, mid line box with the 4th group of double-side cell sheet and to be connected the second line box 30 with the 6th group of double-side cell sheet with the 2nd group of double-side cell sheet.First Line box 10 connects photovoltaic connector negative pole, and the second line box 30 connects photovoltaic connector positive pole.
Double-sided solar assembly is applied, because terminal box diminishes, cell piece can be avoided completely.Due to when assembly generates electricity, output current value is determined by the cell piece that current value is minimum, when line box blocks cell piece, the electric current of cell piece can according to the proportional reduction of shielded area, common split type line box shielded area is usually at 15 square centimeters, on each cell piece about 7 square centimeters, the area that 156 cell pieces are blocked about 3%, namely assembly wherein one side energy output reduce about 3%, terminal box blocks the heat radiation that also can have influence on cell piece to cell piece in addition, also can reduce the power of assembly simultaneously.The prolate shape terminal box provided by employing the utility model can solve the problem that cell piece blocks completely, and need not carry out large change to component design itself.
Certainly, the utility model also has other execution modes, is only preferred embodiment of the present utility model above, is not used for limiting practical range of the present utility model, all equivalences done according to the content of the application's the scope of the claims change and modify, and all should be technology category of the present utility model.
Claims (9)
1. a solar components Split type connecting box, comprise separate First Line box (10), mid line box (20) and the second line box (30), described mid line box (20) is arranged between First Line box (10) and the second line box (30), First Line box (10) connects photovoltaic connector negative pole, second line box (30) connects photovoltaic connector positive pole, each line box includes box body (1) and can the lid of closed box, it is characterized in that: in the box body (1) of each line box, be respectively arranged with a bypass diode (2), for the binding post (3) of coupling assembling lead-out wire and two electric conductors of connection bypass diode and binding post (3), form two connection bits (4) of cross direction profiles between two electric conductors thus bypass diode (2) and binding post (3) horizontal Tile ground are arranged.
2. solar components Split type connecting box according to claim 1, it is characterized in that: described two electric conductors are the first electric conductor (5) and the second electric conductor (6), two ends of the first electric conductor (5) are bent to form two first connecting portions (5a) parallel with the second electric conductor (6), form two described connection bits (4) between two the first connecting portions (5a) and the second electric conductor (6) respectively.
3. solar components Split type connecting box according to claim 2, is characterized in that: described second electric conductor (6) is positioned between two the first connecting portions (5a) of the first electric conductor.
4. solar components Split type connecting box according to claim 2, is characterized in that: above form two the second connecting portions (6a) be connected with the first connecting portion (5a) described second electric conductor (6).
5. solar components Split type connecting box according to claim 1, is characterized in that: described electric conductor is copper base.
6. solar components Split type connecting box according to claim 1, is characterized in that: described mid line box (20) is one or more.
7. one kind uses the solar module (100) of the arbitrary described solar components Split type connecting box of claim 1-6, comprise some cell pieces (101), upper strata glass and backboard or rear glass sheet, connect by interconnecting strip and busbar (102) and pass through assembly lead-out wire (103) between cell piece and be connected with the binding post (3) of described solar components with Split type connecting box.
8. solar module according to claim 7 (100), is characterized in that: described some cell pieces (101) are longitudinally divided into array, and every two Battery pack sheets connect a mid line box (20).
9. solar module according to claim 7 (100), is characterized in that: described cell piece (101) is double-side cell sheet, and described backboard is transparent back panel or rear glass sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520467313.8U CN204794882U (en) | 2015-07-02 | 2015-07-02 | Solar energy component uses split type terminal box and solar module thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520467313.8U CN204794882U (en) | 2015-07-02 | 2015-07-02 | Solar energy component uses split type terminal box and solar module thereof |
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| CN204794882U true CN204794882U (en) | 2015-11-18 |
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| CN201520467313.8U Active CN204794882U (en) | 2015-07-02 | 2015-07-02 | Solar energy component uses split type terminal box and solar module thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105280738A (en) * | 2015-07-02 | 2016-01-27 | 常州天合光能有限公司 | Split-type conjunction box used for solar assembly and solar cell assembly thereof |
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- 2015-07-02 CN CN201520467313.8U patent/CN204794882U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105280738A (en) * | 2015-07-02 | 2016-01-27 | 常州天合光能有限公司 | Split-type conjunction box used for solar assembly and solar cell assembly thereof |
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| GR01 | Patent grant |