CN102769061A - Current-collecting strip lead terminal of photovoltaic module and insulating treatment method of current-collecting strip lead terminal - Google Patents
Current-collecting strip lead terminal of photovoltaic module and insulating treatment method of current-collecting strip lead terminal Download PDFInfo
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- CN102769061A CN102769061A CN2012102808536A CN201210280853A CN102769061A CN 102769061 A CN102769061 A CN 102769061A CN 2012102808536 A CN2012102808536 A CN 2012102808536A CN 201210280853 A CN201210280853 A CN 201210280853A CN 102769061 A CN102769061 A CN 102769061A
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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
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The invention provides a current-collecting strip lead terminal of a photovoltaic module and an insulating treatment method of the current-collecting strip lead terminal. The current-collecting strip lead terminal of a photovoltaic module comprises a cell, a welding strip connected with the cell, and a current-collecting strip connected with the welding strip, wherein the current-collecting strip comprises a long current-collecting strip and a short current-collecting strip which is intersected with the long current-collecting strip; and the long current-collecting strip and/or the short current-collecting strip at least are/is packaged with an insulating layer at on outer side opposite to an intersection. According to the current-collecting strip lead terminal of the photovoltaic module and the insulating treatment method of the current-collecting strip lead terminal, the long current-collecting strip and/or the short current-collecting strip at least are/is packaged with the insulating layer on the outer side opposite to the intersection; the insulating layer replaces ethylene vinyl acetate copolymer (EVA) and expensive backing plate strips to be used as an insulating material for separating the long current-collecting strip from the short current-collecting strip so that the cost is reduced on the premise of guarantee in the preferable insulation effect.
Description
Technical field
The present invention relates to the photovoltaic field, more specifically, relate to a kind of photovoltaic module conflux band lead end and insulating treatment method thereof.
Background technology
As shown in Figure 1, conventional solar module is through welding 20 ' 10 ' welding of battery sheet to be together in series, and then is with 30 ' to connect welding 20 ' through confluxing, and electric current is pooled together receive outside terminal box.But conflux band when confluxing because the restriction of solar components internal structure needs many confluxes and be with for 30 ' long confluxing be with 31 ' to be with 32 ' cross-matched with short confluxing.As shown in Figure 2, this just needs to separate the effect of playing insulation through the band that confluxes that backboard bar 50 ' and EVA (ethylene-vinyl acetate copolymer) 60 ' will intersect, and backboard bar 50 ' cost is very high, has so just caused the high problem of cost.And backboard bar 50 ' and EVA60 ' need prepare and be used in advance, waste man-hour and workman in operating process because the difference of qualification causes the battery sheet to break easily.
Summary of the invention
The invention provides a kind of photovoltaic module with low cost and that insulation effect is good conflux band lead end and insulating treatment method thereof.
The invention provides a kind of photovoltaic module band lead end that confluxes; Comprise the battery sheet; The welding that is connected with the battery sheet; The band that confluxes that is connected with welding, the band that confluxes comprise the long band and conflux with the weak point arranged in a crossed manner band that confluxes with long of confluxing, long conflux band and/or short conflux to bring to lack be packaged with insulating barrier in the outside corresponding to infall.
Further, the long band that confluxes comprises: first segment length who arranges along the edge of the photovoltaic module band that confluxes; Conflux with second segment length of the end band that confluxes perpendicular to first segment length; The short band that confluxes comprises: arrange along the edge of photovoltaic module and be parallel to first segment length, first section weak point of band band that confluxes that confluxes; Perpendicular to first section weak point second section weak point with end band that confluxes that confluxes; Wherein, second segment length conflux band and first section weak point band arranged crosswise of confluxing, conflux band and second section weak point of second segment length confluxes and is with parallelly, and insulating barrier is encapsulated in the outside that second segment length is confluxed and is with.
Further, second segment length band that confluxes comprises: with the first section weak point band length of intersecting band halved belt that confluxes that confluxes; Insulating barrier is encapsulated in is with the outside of halved belt long confluxing.
Further, the long band that confluxes comprises: first segment length who arranges along the edge of the photovoltaic module band that confluxes; Conflux with second segment length of the end band that confluxes perpendicular to first segment length; The short band that confluxes comprises: arrange along the edge of photovoltaic module and be parallel to first segment length, first section weak point of band band that confluxes that confluxes; Perpendicular to first section weak point second section weak point with end band that confluxes that confluxes; Wherein, second segment length conflux band and first section weak point band arranged crosswise of confluxing, conflux band and second section weak point of second segment length confluxes and is with parallelly, and insulating barrier is encapsulated in second segment length conflux band and second section outside that weak point confluxes and is with.
Further, insulating barrier and conflux the band between have the gap.
The present invention also provides a kind of aforesaid photovoltaic module is confluxed to be with the insulating treatment method of lead end, may further comprise the steps: the band that confluxes is sheared, and shearing is grown up to conflux and is with and the short band that confluxes; Insulating barrier is encapsulated at least the outside corresponding to infall of long conflux band and/or the short band that confluxes; The length band that confluxes is welded at infall with the short band that confluxes; Conflux band and the short band that confluxes of length welded with welding respectively.
Further, insulating barrier is encapsulated in the step corresponding to the outside of infall of long conflux band and/or the short band that confluxes at least comprises: insulating barrier is encapsulated in the length of extending to inside at the edge by photovoltaic module the conflux outside of band of second segment length of band of confluxing.
Further, insulating barrier being encapsulated in conflux second segment length of band of the length of being extended to inside by the edge of photovoltaic module confluxes and comprises in the step in the outside of band: insulating barrier is encapsulated in the infall of long conflux band and the short band that confluxes and be positioned at second segment length conflux with on length conflux and be with the outside of halved belt.
Further, insulating barrier is encapsulated in the step corresponding to the outside of infall of long conflux band and/or the short band that confluxes at least comprises: insulating barrier is encapsulated in the length of extending to inside at the edge by photovoltaic module the conflux outside of band of second segment length of band of confluxing; Insulating barrier is encapsulated in the weak point that is extended to inside by the edge of photovoltaic module the conflux outside of band of second section weak point of band of confluxing.
Further, insulating barrier is encapsulated in the step corresponding to the outside of infall of long conflux band and/or the short band that confluxes at least comprises: packaging insulating layer at interval in the outside of long conflux band and/or the short band that confluxes.
Photovoltaic module according to the present invention conflux band lead end and insulating treatment method thereof, the long band and/or short of confluxing conflux bring to few at outside packaging insulating layer corresponding to infall.Insulating barrier replaces EVA and expensive backboard bar as long band and the short insulating material that separates that confluxes between the band of confluxing, and under the prerequisite that guarantees the good insulation effect, has reduced cost.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 be the photovoltaic module of prior art conflux the band lead end lay the structure sketch map;
Fig. 2 is the A place partial enlarged drawing of Fig. 1;
Fig. 3 be photovoltaic module according to the present invention conflux the band lead end lay the structure sketch map;
Fig. 4 is the conflux structural representation of first embodiment that is with lead end of photovoltaic module according to the present invention;
Fig. 5 is the conflux structural representation of second embodiment that is with lead end of photovoltaic module according to the present invention;
Fig. 6 is the conflux structural representation of the 3rd embodiment that is with lead end of photovoltaic module according to the present invention;
Fig. 7 is the conflux flow chart of steps of first embodiment of the insulating treatment method of being with lead end of photovoltaic module according to the present invention;
Fig. 8 is the conflux flow chart of steps of second embodiment of the insulating treatment method of being with lead end of photovoltaic module according to the present invention;
Fig. 9 is the conflux flow chart of steps of the 3rd embodiment of the insulating treatment method of being with lead end of photovoltaic module according to the present invention; And
Figure 10 is the conflux flow chart of steps of the 4th embodiment of the insulating treatment method of being with lead end of photovoltaic module according to the present invention.
Embodiment
Below with reference to accompanying drawing and combine embodiment to specify the present invention.
As shown in Figure 3, the invention provides a kind of photovoltaic module band lead end that confluxes.This photovoltaic module band lead end that confluxes comprises battery sheet 10, welding 20 and confluxes and is with 30.Particularly, battery sheet 10 is connected with welding 20, confluxes to be with 30 to be connected with welding 20.Wherein, conflux and be with 30 to comprise and long confluxing be with 31 to be with 32 with short confluxing, long conflux be with 31 with short conflux be with 32 arranged in a crossed manner.Length is confluxed with 31 and/or short confluxing is packaged with insulating barrier 40 in the outside corresponding to infall at least with 32.
The photovoltaic module of the present invention band lead end that confluxes confluxes with 31 and/or short confluxing with 32 at least at the outside packaging insulating layer 40 corresponding to infall long.Insulating barrier 40 replaces EVA and expensive backboard bar to conflux with 31 and short confluxing with the insulating material that separates between 32 as long, under the prerequisite that guarantees the good insulation effect, has reduced cost.
And then ground, photovoltaic module of the present invention confluxes and is with lead end to need not to prepare and be used backboard bar and EVA in advance, has practiced thrift man-hour.Avoided simultaneously the workman in operating process because the problem that the difference of qualification causes the battery sheet to break easily.
The insulating material of insulating barrier 40 can be selected for use multiple, preferably, can select for use PET (PETG) as insulating barrier 40.
As shown in Figure 4, long confluxing is with 31 to comprise that first segment length is confluxed and be with 311 and second segment length to conflux to be with 312.First segment length is confluxed and is arranged along the edge of photovoltaic module with 311, and second segment length is confluxed and confluxed with 311 1 ends and to the extension of the inside of photovoltaic module perpendicular to first segment length with 312.Short confluxing is with 32 to comprise that first section weak point confluxes and be with 321 and second sections weak points to conflux to be with 322.First section weak point confluxes and arranges along the edge of photovoltaic module and be parallel to first segment length with 321 and conflux to be with 311, the second sections weak points to conflux to conflux perpendicular to first section weak point with 322 and extend with 321 1 ends and to the inside of photovoltaic module.
As shown in Figure 4, second segment length is confluxed to be with 312 and first sections weak points to conflux to be with 321 arranged crosswise, second segment length to conflux and is with 312 to conflux with second section weak point and to be with 322 parallelly, and insulating barrier 40 is encapsulated in second segment length and confluxes with 312 the outside.Second segment length is confluxed and has been encapsulated insulating barrier 40 with 312 the outside, has so just played to separate to conflux with 32 effect with short with 31 long confluxing.
As shown in Figure 5, preferably, second segment length is confluxed and is comprised with first section weak point with 312 and to conflux with 321 length of the intersecting band halved belt 313 that confluxes, and insulating barrier 40 is encapsulated in is with the outside of halved belt 313 long confluxing.Under the prerequisite that guarantees insulation effect, practiced thrift the material usage of insulating barrier 40, reduced cost.
As shown in Figure 6, long confluxing is with 31 to comprise that first segment length is confluxed and be with 311 and second segment length to conflux to be with 312.First segment length is confluxed and is arranged along the edge of photovoltaic module with 311, and second segment length is confluxed and is with 312 to conflux perpendicular to first segment length and to be with 311 1 ends, and extends to the inside of photovoltaic module.Short confluxing is with 32 to comprise that first section weak point confluxes and be with 321 and second sections weak points to conflux to be with 322.First section weak point confluxes and arranges along the edge of photovoltaic module and be parallel to first segment length with 321 and conflux to be with 311, the second sections weak points to conflux to conflux perpendicular to first section weak point with 322 and extend with 321 1 ends and to the inside of photovoltaic module.
As shown in Figure 6, second segment length is confluxed to be with 3 12 and first sections weak points to conflux to be with 321 arranged crosswise, second segment length to conflux and is with 312 to conflux with second section weak point and to be with 322 parallelly, and insulating barrier 40 is encapsulated in second segment length and confluxes and conflux with 322 the outside with 312 and second sections weak points.Second segment length is confluxed to conflux with 312 and second sections weak points and has been encapsulated insulating barrier 40 with 322 the outside, has so just played to separate to conflux with 32 effect with short with 31 long confluxing.
As shown in Figure 6, preferably, insulating barrier 40 and conflux and have the gap between being with 30.Have with gap isolator and to conflux with 30 outside packaging insulating layer 40, the effect of insulation can be better like this.
As shown in Figure 7, the present invention also provides a kind of photovoltaic module to conflux and has been with the insulating treatment method of lead end.This photovoltaic module confluxes and is with the insulating treatment method of lead end may further comprise the steps: be with 30 to shear to confluxing, shear growing up confluxes is with 31 to be with 32 with short confluxing; Insulating barrier 40 is encapsulated in long confluxing with 31 and/or short confluxing with 32 the outside corresponding to infall at least; Length confluxed be with 31 to be with 32 to weld at infall with short confluxing; With length conflux be with 31 with short conflux be with 32 respectively with welding 20 welding.
Photovoltaic module of the present invention confluxes and is with the insulating treatment method of lead end, confluxes with 31 and/or short confluxing with 32 at least at the outside packaging insulating layer 40 corresponding to infall long.Insulating barrier 40 replaces EVA and expensive backboard bar to conflux with 31 and short confluxing with the insulating material that separates between 32 as long, under the prerequisite that guarantees the good insulation effect, has reduced cost.
And then ground, photovoltaic module of the present invention confluxes and is with lead end to need not to prepare and be used backboard bar and EVA in advance, has practiced thrift man-hour.Avoided simultaneously the workman in operating process because the problem that the difference of qualification causes the battery sheet to break easily.This method is simple to operate, can improve employee's operating efficiency.
As shown in Figure 8, insulating barrier 40 is encapsulated in long confluxing with 31 and/or short confluxing with comprising in 32 the step corresponding to the outside of infall at least: insulating barrier 40 is encapsulated in the length of extending to inside at the edge by photovoltaic module confluxes and conflux with 312 the outside with 31 second segment length.Because long confluxing confluxes with the welding that intersects of the part on 32 with short with the part on 31; Corresponding long conflux with 31 this part belong to second segment length again and conflux and be with on 312; Conflux with 312 the outside so insulating barrier 40 is encapsulated in whole piece second segment length, can well play isolated insulation length and conflux and conflux with 32 effect with short with 31.
As shown in Figure 9, insulating barrier 40 is encapsulated in the length of being extended to inside by the edge of photovoltaic module confluxes to conflux and comprise in the step with 3 12 the outside with 31 second segment length: insulating barrier 40 is encapsulated in long conflux with 31 with short conflux with 32 infall and be positioned at the length of second segment length on confluxing with 312 conflux and be with the outside of halved belt 313.Only the cross section packaging insulating layer 40 on second segment length is confluxed with 312 under the prerequisite of the effect that guarantees isolated insulation, has reduced cost.
Shown in figure 10, insulating barrier 40 is encapsulated in long confluxing with 31 and/or short confluxing with comprising in 32 the step corresponding to the outside of infall at least: insulating barrier 40 is encapsulated in the length of extending to inside at the edge by photovoltaic module confluxes and conflux with 312 the outside with 31 second segment length; Insulating barrier 40 is encapsulated in the weak point that is extended to inside by the edge of photovoltaic module to conflux and confluxes with 322 the outside with second section weak point of 32.Long confluxing confluxes with the welding that intersects of the part on 32 with short with the part on 31, corresponding long conflux with 31 this part belong to second segment length and conflux and be with on 312, corresponding weak point confluxes and belongs to second section weak point with on 32 this part and conflux and be with 322.Conflux and conflux with 322 the outside so insulating barrier 40 is encapsulated in whole piece second segment length, can better play isolated insulation length and conflux and conflux with 32 effect with short with 31 with 312 the outside and second section weak point of whole piece.After the encapsulation, the effect that insulation is isolated is very good like this.
Preferably, insulating barrier 40 is encapsulated in long confluxing with 31 and/or short confluxing with comprising in 32 the step corresponding to the outside of infall at least: conflux with 31 and/or short confluxing with 32 outside packaging insulating layer 40 at interval long.Insulating barrier 40 and long confluxes and is with 31 and have at interval between being with 32 short confluxing, and can guarantee the good result that insulate.
From above description, can find out that the above embodiments of the present invention have realized following technique effect:
1, saves backboard bar and EVA, reduce cost;
2, simple to operate, improve employee's operating efficiency.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. photovoltaic module band lead end that confluxes; Comprise battery sheet (10); The welding (20) that is connected with said battery sheet (10), the band (30) that confluxes that is connected with said welding (20), the said band (30) that confluxes comprise long conflux band (31) and with said length band (31) the weak point arranged in a crossed manner band (32) that confluxes that confluxes; It is characterized in that
Said length band (31) and/or the said weak point band (32) that confluxes that confluxes is packaged with insulating barrier (40) at least in the outside corresponding to infall.
2. the photovoltaic module according to claim 1 band lead end that confluxes is characterized in that,
The said length band (31) that confluxes comprising: first segment length who arranges along the edge of the said photovoltaic module band (311) that confluxes; Perpendicular to said first segment length second segment length of band (311) the one ends band (312) that confluxes that confluxes;
The said weak point band (32) that confluxes comprising: arrange along the edge of said photovoltaic module and be parallel to said first segment length first section weak point of band (311) band (321) that confluxes that confluxes; Perpendicular to said first section weak point second section weak point of band (321) one ends band (322) that confluxes that confluxes;
Wherein, Said second segment length band (312) and said first section weak point band (321) arranged crosswise of confluxing of confluxing; Said second segment length band (312) and the said second section weak point band (322) that confluxes that confluxes is parallel, and said insulating barrier (40) is encapsulated in the conflux outside of band (312) of said second segment length.
3. the photovoltaic module according to claim 2 band lead end that confluxes is characterized in that,
Said second segment length band (312) that confluxes comprising: with said first section weak point length that band (321) intersects band halved belt (313) that confluxes that confluxes;
Said insulating barrier (40) be encapsulated in said length conflux the band halved belt (313) the outside.
4. the photovoltaic module according to claim 1 band lead end that confluxes is characterized in that,
The said length band (31) that confluxes comprising: first segment length who arranges along the edge of the said photovoltaic module band (311) that confluxes; Perpendicular to said first segment length second segment length of band (311) the one ends band (312) that confluxes that confluxes;
The said weak point band (32) that confluxes comprising: arrange along the edge of said photovoltaic module and be parallel to said first segment length first section weak point of band (311) band (321) that confluxes that confluxes; Perpendicular to said first section weak point second section weak point of band (321) one ends band (322) that confluxes that confluxes;
Wherein, Said second segment length band (312) and said first section weak point band (321) arranged crosswise of confluxing of confluxing; Said second segment length band (312) and the said second section weak point band (322) that confluxes that confluxes is parallel, and said insulating barrier (40) is encapsulated in said second segment length conflux outside of band (322) of band (312) and said second section weak point of confluxing.
5. the photovoltaic module according to claim 1 band lead end that confluxes is characterized in that said insulating barrier (40) and said confluxing have the gap between the band (30).
6. one kind confluxes to each described photovoltaic module among the claim 1-5 and to be with the insulating treatment method of lead end, it is characterized in that, may further comprise the steps:
The band (30) that confluxes is sheared, and shearing is grown up and is confluxed band (31) and lack the band (32) that confluxes;
Insulating barrier (40) is encapsulated in said length the conflux outside corresponding to infall of band (32) of band (31) and/or said weak point of confluxing at least;
Said length band (31) and the said weak point band (32) that confluxes that confluxes is welded at infall;
Said length band (31) and the said weak point band (32) that confluxes that confluxes is welded with said welding (20) respectively.
7. photovoltaic module according to claim 6 confluxes and is with the insulating treatment method of lead end, it is characterized in that,
Insulating barrier (40) is encapsulated in conflux band (31) and/or said weak point of said length at least to conflux and comprises in the step corresponding to the outside of infall of band (32):
Said insulating barrier (40) is encapsulated in the said length of being extended to inside by the edge of said photovoltaic module the conflux outside of band (312) of second segment length of band (31) of confluxing.
8. photovoltaic module according to claim 7 confluxes and is with the insulating treatment method of lead end, it is characterized in that,
Said insulating barrier (40) is encapsulated in conflux second segment length of band (31) of the said length of being extended to inside by the edge of said photovoltaic module to conflux and comprises in the step in the outside of band (312):
With said insulating barrier (40) be encapsulated in said length conflux band (31) and said weak point conflux band (32) infall and be positioned at said second segment length conflux outside of band halved belt (313) of length on the band (312) of confluxing.
9. photovoltaic module according to claim 6 confluxes and is with the insulating treatment method of lead end, it is characterized in that,
Insulating barrier (40) is encapsulated in conflux band (31) and/or said weak point of said length at least to conflux and comprises in the step corresponding to the outside of infall of band (32):
Said insulating barrier (40) is encapsulated in the said length of being extended to inside by the edge of said photovoltaic module the conflux outside of band (312) of second segment length of band (31) of confluxing;
Said insulating barrier (40) is encapsulated in the said weak point that is extended to inside by the edge of said photovoltaic module the conflux outside of band (322) of second section weak point of band (32) of confluxing.
10. photovoltaic module according to claim 6 confluxes and is with the insulating treatment method of lead end, it is characterized in that,
Insulating barrier (40) is encapsulated in conflux band (31) and/or said weak point of said length at least to conflux and comprises in the step corresponding to the outside of infall of band (32):
Encapsulate said insulating barrier (40) at interval in said length the conflux outside of band (32) of band (31) and/or said weak point of confluxing.
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| CN106684207A (en) * | 2016-11-30 | 2017-05-17 | 安徽振兴光伏新能源有限公司 | Solar panel lamination manufacturing technology |
| CN107863414A (en) * | 2017-09-28 | 2018-03-30 | 合肥晶澳太阳能科技有限公司 | A kind of connection method of photovoltaic module busbar |
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Application publication date: 20121107 |