CN205016538U - Split type terminal box of heat dissipation type for solar energy component and solar module thereof - Google Patents

Split type terminal box of heat dissipation type for solar energy component and solar module thereof Download PDF

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Publication number
CN205016538U
CN205016538U CN201520470317.1U CN201520470317U CN205016538U CN 205016538 U CN205016538 U CN 205016538U CN 201520470317 U CN201520470317 U CN 201520470317U CN 205016538 U CN205016538 U CN 205016538U
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China
Prior art keywords
line box
box
binding post
split type
electric conductor
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CN201520470317.1U
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Chinese (zh)
Inventor
孙权
徐建美
沈慧
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Changzhou Trina Solar Energy Co Ltd
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Changzhou Trina Solar Energy Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Abstract

The utility model discloses a split type terminal box of heat dissipation type for the solar energy component, including mutually independent negative pole line box, medium line box and positive polar line box, the medium line box sets up between negative pole line box and positive polar line box, and each line box all includes box body and lid that can closed box body, its characterized in that: negative pole line box sets up in solar module's negative pole initiating terminal, only is provided with a terminal that is used for the coupling assembling lead -out wire in the box body, and the negtive terminal of photovoltaic connector is connected simultaneously to this terminal through the cable, positive polar line box sets up in solar module's anodal initiating terminal, only is provided with a terminal that is used for the coupling assembling lead -out wire in the box body, and the positive terminal of photovoltaic connector is connected simultaneously to this terminal through the cable, the medium line box is three. And simultaneously, the utility model also discloses an use the split type terminal box solar module of heat dissipation type for the solar energy component.

Description

Solar components heat radiating type Split type connecting box and solar module thereof
Technical field
The utility model relates to a kind of terminal box, particularly relates to a kind of solar components heat radiating type 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, the both positive and negative polarity in terminal box and diode are in same line box, and the volume of line box is comparatively large, and line box is in middle part, and the length of cable that line box connects is long, needs to use insulative separator material in component internal.In entirety, there is following deficiency in prior art: 1. terminal box is concentrated, and length of cable is longer, and line loss is comparatively large, and component power loss is large; 2. supporting assembly needs to do insulation processing in inside, complex process, and need to use more isolated material and connecting line, can affect assembly yield and assembly production efficiency, assembly reliability also easily goes wrong; 3. the area that blocks the cell piece back side of line box and cable is very large, be unfavorable for the heat radiation of cell piece, the heat that isochrone box produces also has the cell piece that much can be delivered to assembly, assembly cell piece temperature is caused 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.
Summary of the invention
The utility model is in prior art, terminal box volume is comparatively large, cable for connection is longer, complex manufacturing, be unfavorable for the technical problems such as heat radiation, a kind of solar components heat radiating type Split type connecting box is provided, reduces the length of connection cable, reduce costs; Volume is little, reduces blocking assembly, simplifies production technology; Perfect heat-dissipating, improves the photoelectric conversion efficiency of assembly; Meanwhile, the utility model also provides a kind of solar module using described solar components Split type heat radiation type terminal box, reduces production cost, meanwhile, improves the generating efficiency of solar module.
For this reason, the utility model adopts following technical scheme:
Solar components heat radiating type Split type connecting box, comprise separate negative line box (10), mid line box (20) and electrode line box (30), described mid line box (20) is arranged between negative line box (10) and electrode line box (30), negative line box (10) connects photovoltaic connector negative pole, electrode 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: described negative line box (10) is arranged at the negative pole initiating terminal of solar module, a binding post (3) for coupling assembling lead-out wire (2) is only provided with in box body, this binding post (3) connects the negative terminal of photovoltaic connector simultaneously by cable, described electrode line box (30) is arranged at the positive pole initiating terminal of solar module, is only provided with a binding post (3) for coupling assembling lead-out wire (2) in box body, and this binding post (3) connects the positive terminal of photovoltaic connector simultaneously by cable, described mid line box (20) is three, and each mid line box is provided with a bypass diode (4), for the binding post (3) of coupling assembling lead-out wire (2) and two electric conductors of connection bypass diode and binding post (3).
Further, described bypass diode (4) is positioned at above or below binding post (3).
Substitute as one, described bypass diode (4) is positioned at the side of binding post (3), forms two connection bits (5) of cross direction profiles thus bypass diode (4) and binding post (3) horizontal Tile ground are arranged between two electric conductors.
Further, described two electric conductors are the first electric conductor (6) and the second electric conductor (7), two ends of the first electric conductor (6) are bent to form two first connecting portions (6a) parallel with the second electric conductor (7), form two described connection bits (5) between two the first connecting portions (6a) and the second electric conductor (7) respectively.
Further, described second electric conductor (7) is positioned between two the first connecting portions (6a) of the first electric conductor.
Further, two the second connecting portions (7a) be connected with the first connecting portion (6a) are above formed described second electric conductor (7).
Further, described electric conductor is copper base.
Solar components heat radiating type Split type connecting box of the present utility model, a conventional electrical connectors is resolved into five line boxes, comprise an electrode line box, three mid line boxes and a negative line box, wherein, negative line box and electrode line box are owing to only arranging the binding post being used for coupling assembling lead-out wire, be arranged on negative pole initiating terminal and the positive pole initiating terminal of assembly respectively, thus reach the shortest object of cable; Simultaneously owing to only having a binding post in line box inside, line box structure is very simple, and what line box can be done is very little, can not block cell piece, and short cable can not block cell piece equally at module edge; Bypass diode in mid line box, assembly produce block wait generation hot spot effect when, problematic for assembly battery strings can be fallen by diode current flow short circuit; Meanwhile, mid line box is not owing to having both positive and negative polarity, and mid line box is idle under normal circumstances, so can not heat be produced, can not distribute heat to assembly cell piece.
Therefore, the solar components heat radiating type Split type connecting box tool that the utility model provides has the following advantages:
1. decrease the length of connection cable to greatest extent, reduce cable cost; Reduce the power loss on cable, lifting subassembly efficiency simultaneously;
2. eliminate the insulation isolation material of component internal, establishment of component process simplification, lifting subassembly make efficiency, lifting subassembly produces yield;
3. reduce the volume of line box, meanwhile, line box quantity increases, and makes spread heat, the thermal diffusivity of increase line box, decreases because cell piece temperature raises the power loss caused.
Another aspect of the present utility model also discloses a kind of solar module (100) using described solar components heat radiating type 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 (2) between cell piece and be connected with the binding post (3) of described solar components with heat radiating type Split type connecting box.
Further, described some cell pieces (101) are longitudinally divided into array, and in the middle of every two Battery pack sheets, connect a mid line box (20), the edge of a Battery pack sheet of assembly both sides connects negative line box (10) and electrode line box (30) respectively.
Further, described cell piece (101) is double-side cell sheet, and described backboard is transparent back panel or glass.
The solar module of use of the present utility model described solar components heat radiating type Split type connecting box, three mid line boxes are arranged on the centre of every two Battery pack sheets, play bypass effect when assembly cell piece blocks; Electrode line box and negative line box are arranged on the both sides of the edge of assembly, can save the consumption of connection cable.Be made up of, be longitudinally divided into the solar module of 6 groups 60 156 polycrystalline cell pieces for one piece, relatively common monomer-type line box, each block solar module can save more than cable 1000mm, reduces power loss 0.25W; With general triad line box ratio, cable can be saved again and be about 300mm, save power 0.1W.Cable wiring does not block the cell piece back side simultaneously, the shielded area reduction that line box is total to cell piece, is conducive to cell piece heat radiation.For double-side cell sheet, more can improve back side generating efficiency, the total generated output of solar module can effectively be promoted.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment 1 negative line box;
Fig. 2 is the structural representation of the utility model embodiment 1 mid line box;
Fig. 3 is the structural representation of the utility model embodiment 1 electrode line box;
Fig. 4 is the structural representation of the utility model embodiment 2 negative line box;
Fig. 5 is the structural representation of the utility model embodiment 2 mid line box;
Fig. 6 is the structural representation of the utility model embodiment 2 electrode line box;
Fig. 7 is the structural representation of the utility model solar module;
Wherein, 1 is box body, and 2 is assembly lead-out wire, and 3 is binding post, and 4 is bypass diode, and 5 is connection bit, and 6 is the first electric conductor, and 6a is the first connecting portion 7 is the second electric conductor, and 7a is the second connecting portion, and 10 is negative line box, and 20 is mid line box, and 30 is electrode line box; 100 is solar module, and 101 is double-side cell sheet, and 102 is busbar, and 103 is cable.
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 heat radiating type Split type connecting box of the present utility model, comprise separate negative line box 10, mid line box 20 and electrode line box 30, described mid line box 20 is arranged between negative line box 10 and electrode line box 30, negative line box 10 connects photovoltaic connector negative pole, electrode line box 30 connects photovoltaic connector positive pole, each line box includes box body 1 and can the lid of closed box, negative line box 10 is arranged at the negative pole initiating terminal of solar module, a binding post 3 for coupling assembling lead-out wire 2 is only provided with in box body, this binding post 3 connects the negative terminal of photovoltaic connector simultaneously by cable 103, electrode line box 30 is arranged at the positive pole initiating terminal of solar module, is only provided with a binding post 3 for coupling assembling lead-out wire 2 in box body, and this binding post 3 connects the positive terminal of photovoltaic connector simultaneously by cable, mid line box 20 is three, and each mid line box is provided with a bypass diode 4, for the binding post 3 of coupling assembling lead-out wire 2 and two electric conductors 6 and 7 of connection bypass diode and binding post 3.In the present embodiment, as shown in Figure 2, electric conductor 6 and 7 is in strip, and bypass diode 4 is positioned at the top of binding post 3.Electric conductor is copper base; Binding post 3 is copper post, and assembly lead-out wire 2 can weld or be connected on binding post 3.Certainly, in other embodiments, electric conductor and binding post also can adopt other electric conducting materials.
By a conventional electrical connectors is resolved into five line boxes, comprise an electrode line box, three mid line boxes and a negative line box, reach the object that cable is the shortest; Simultaneously owing to only having a binding post in line box inside, line box structure is very simple, and what line box can be done is very little, can not block cell piece, and short cable can not block cell piece equally at module edge; Bypass diode in mid line box, assembly produce block wait generation hot spot effect when, problematic for assembly battery strings can be fallen by diode current flow short circuit; Meanwhile, mid line box is not owing to having both positive and negative polarity, and mid line box is idle under normal circumstances, so can not heat be produced, can not distribute heat to assembly cell piece.
Embodiment 2:
As Figure 4-Figure 6, the difference of the present embodiment and embodiment 1 is: described bypass diode 4 is positioned at the side of binding post 3, for convenience of description, two electric conductors are at this called after first electric conductor 6 and the second electric conductor 7, two ends of the first electric conductor 6 are bent to form two the first connecting portion 6as parallel with the second electric conductor 7, between two the first connecting portion 6a and the second electric conductor 7, form two connection bits 5 of cross direction profiles, thus arrange with making bypass diode 4 and binding post 3 horizontal Tile.Second electric conductor 7, between two the first connecting portion 6a of the first electric conductor, the second electric conductor 7 forms two the second connecting portion 7a be connected with the first connecting portion 6a.
The mode of the present embodiment 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 further and reduces line box longitudinal length, prevent the object of blocking cell piece.
Embodiment 3:
As shown in Figure 7, another aspect of the present utility model, a kind of solar module 100 using described solar components heat radiating type Split type connecting box is provided, comprise some double-side cell sheets 101, upper strata glass and transparent back panel or glass, connected by interconnecting strip and busbar 102 between cell piece and be connected with the binding post 3 of described solar components with heat radiating type Split type connecting box by assembly lead-out wire, some cell pieces 101 are longitudinally divided into array, in the present embodiment, every block assembly comprises 60 double-side cell sheets, cell piece is longitudinally divided into 6 groups, often group comprises 10 double-side cell sheets 101, connected by interconnecting strip busbar 102 between each double-side cell sheet 101 and be connected with described solar components heat radiating type Split type connecting box by assembly lead-out wire, a mid line box 20 is connected in the middle of every two Battery pack sheets, the edge of one Battery pack sheet of assembly both sides connects negative line box 10 and electrode line box 30 respectively.
In the present embodiment, three mid line boxes are arranged on the centre of every two Battery pack sheets, play bypass effect when assembly cell piece blocks; Electrode line box and negative line box are arranged on the both sides of the edge of assembly, can save the consumption of connection cable, reduce power loss simultaneously.In addition, cable wiring does not block the cell piece back side, the shielded area reduction that line box is total to cell piece, is conducive to cell piece heat radiation.For double-side cell sheet, more back side generating efficiency can be improved.
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 (10)

1. solar components heat radiating type Split type connecting box, comprise separate negative line box (10), mid line box (20) and electrode line box (30), described mid line box (20) is arranged between negative line box (10) and electrode line box (30), negative line box (10) connects photovoltaic connector negative pole, electrode 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: described negative line box (10) is arranged at the negative pole initiating terminal of solar module, a binding post (3) for coupling assembling lead-out wire (2) is only provided with in box body, this binding post (3) connects the negative terminal of photovoltaic connector simultaneously by cable, described electrode line box (30) is arranged at the positive pole initiating terminal of solar module, only be provided with a binding post (3) for coupling assembling lead-out wire (2) in box body, this binding post (3) connects the positive terminal of photovoltaic connector simultaneously by cable, described mid line box (20) is three, and each mid line box is provided with a bypass diode (4), for the binding post (3) of coupling assembling lead-out wire (2) and two electric conductors of connection bypass diode and binding post (3).
2. solar components heat radiating type Split type connecting box according to claim 1, is characterized in that: described bypass diode (4) is positioned at above or below binding post (3).
3. solar components heat radiating type Split type connecting box according to claim 1, it is characterized in that: described bypass diode (4) is positioned at the side of binding post (3), form two connection bits (5) of cross direction profiles between two electric conductors thus bypass diode (4) and binding post (3) horizontal Tile ground are arranged.
4. solar components heat radiating type Split type connecting box according to claim 1, it is characterized in that: described two electric conductors are the first electric conductor (6) and the second electric conductor (7), two ends of the first electric conductor (6) are bent to form two first connecting portions (6a) parallel with the second electric conductor (7), form two described connection bits (5) between two the first connecting portions (6a) and the second electric conductor (7) respectively.
5. solar components heat radiating type Split type connecting box according to claim 4, is characterized in that: described second electric conductor (7) is positioned between two the first connecting portions (6a) of the first electric conductor.
6. solar components heat radiating type Split type connecting box according to claim 4, is characterized in that: above form two the second connecting portions (7a) be connected with the first connecting portion (6a) described second electric conductor (7).
7. solar components heat radiating type Split type connecting box according to claim 1, is characterized in that: described electric conductor is copper base.
8. one kind uses the solar module (100) of the arbitrary described solar components heat radiating type Split type connecting box of claim 1-7, comprise some cell pieces (101), upper strata glass and backboard or rear glass sheet, connect by interconnecting strip (102) and busbar and pass through assembly lead-out wire (2) between cell piece and be connected with the binding post (3) of described solar components with heat radiating type Split type connecting box.
9. solar module according to claim 8 (100), it is characterized in that: described some cell pieces (101) are longitudinally divided into array, in the middle of every two Battery pack sheets, connect a mid line box (20), the edge of a Battery pack sheet of assembly both sides connects negative line box (10) and electrode line box (30) respectively.
10. solar module according to claim 8 (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.
CN201520470317.1U 2015-07-02 2015-07-02 Split type terminal box of heat dissipation type for solar energy component and solar module thereof Active CN205016538U (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105280739A (en) * 2015-07-02 2016-01-27 常州天合光能有限公司 Heat-dissipation split-type conjunction box used for solar assembly and solar cell assembly thereof
CN105977327A (en) * 2016-07-08 2016-09-28 常州天合光能有限公司 Photovoltaic assembly internally provided with intelligent chips
CN107786163A (en) * 2016-08-30 2018-03-09 浙江鑫辉光伏科技有限公司 A kind of Split type connecting box

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105280739A (en) * 2015-07-02 2016-01-27 常州天合光能有限公司 Heat-dissipation split-type conjunction box used for solar assembly and solar cell assembly thereof
CN105977327A (en) * 2016-07-08 2016-09-28 常州天合光能有限公司 Photovoltaic assembly internally provided with intelligent chips
CN105977327B (en) * 2016-07-08 2017-09-15 常州天合光能有限公司 A kind of photovoltaic module of built-in intelligence chip
CN107786163A (en) * 2016-08-30 2018-03-09 浙江鑫辉光伏科技有限公司 A kind of Split type connecting box
CN107786163B (en) * 2016-08-30 2020-03-31 浙江鑫辉光伏科技有限公司 Split type terminal box

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