CN204243064U - A kind of photovoltaic welding belt that can reduce costs raising generating efficiency - Google Patents

A kind of photovoltaic welding belt that can reduce costs raising generating efficiency Download PDF

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Publication number
CN204243064U
CN204243064U CN201420619599.2U CN201420619599U CN204243064U CN 204243064 U CN204243064 U CN 204243064U CN 201420619599 U CN201420619599 U CN 201420619599U CN 204243064 U CN204243064 U CN 204243064U
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China
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welding
perforate
photovoltaic
generating efficiency
welding body
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CN201420619599.2U
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Chinese (zh)
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孙国成
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Wuxi dike electronic material Limited by Share Ltd
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WUXI DIKE ELECTRONIC MATERIAL TECHNOLOGY 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 kind of photovoltaic welding belt that can reduce costs raising generating efficiency, comprise welding body (1), it is characterized in that: the middle part of described welding body (1) is provided with the perforate (2) along the distribution of welding body (1) length direction, and the hole of described perforate (2) is wide is no more than 1/3rd of welding body (1) width.The utility model, by being provided with the perforate along welding body length directional spreding at the middle part of welding body, reduces the use amount of welding, thus the cost realizing photovoltaic generation reduces; And this welding can revise shaping grinding apparatus or increase by one punch press operation and can produce on the basis of traditional mode of production welding, therefore manufacture simple, the perforate welding produced is applicable to the main gate line of various model, shape; When this perforate welding and partition main gate line use, can shading-area be reduced simultaneously, compare traditional welding cell piece and add daylighting area, improve the generating efficiency of cell piece, ensure that the realization of high-efficiency battery.

Description

A kind of photovoltaic welding belt that can reduce costs raising generating efficiency
Technical field
The utility model relates to technical field of solar batteries, specifically a kind of photovoltaic welding belt that can reduce costs raising generating efficiency.
Background technology
World energy supplies worsening shortages, a large amount of utilizations of traditional energy cause the one of the main reasons that natural environment pollutes and environment for human survival worsens, and finding emerging energy has become world's hot issue.In various new forms of energy, solar energy power generating has the advantages such as pollution-free, sustainable, total amount large, distribution wide, application form is various, is subject to the great attention of countries in the world.Photovoltaic generation as desirable renewable energy power generation technology, the swift and violent development several years ago obtained at home.From China's future society Strategy for economic development path, development solar photovoltaic industry is the important directions that China ensures energy supply, builds low-carbon (LC) society, promotes economic restructuring, cultivates emerging strategic industries." 12 " period, China's photovoltaic industry will keep Rapid development stage, be faced with large good opportunity and severe challenge simultaneously.Still there is larger gap in domestic photovoltaic industry, international competition pressure is constantly upgraded in a lot.Promote the efficiency of solar cell, the cost reducing solar cell and photovoltaic system will be the target of theCourse of PV Industry.
Photovoltaic welding belt is the necessary part of photovoltaic cell, photovoltaic welding belt is also known as tin-coated copper strip or be coated with tin copper strips, and point convergent belt and interconnector, be applied to the connection of photovoltaic module cell piece, play the effect of the electric current of collection photovoltaics assembly, draw the positive and negative electrode of solar battery sheet.More common (as shown in Figure 1) of wide 1.8mm or 1.6mm of photovoltaic welding belt generally used now, but above-mentioned traditional welding model is more single, is easily-consumed products costly.
Summary of the invention
The purpose of this utility model is for existing photovoltaic welding belt Problems existing, provides a kind of and can reduce costs the photovoltaic welding belt improving generating efficiency.
The purpose of this utility model solves by the following technical programs:
Can reduce costs the photovoltaic welding belt improving generating efficiency, comprise welding body, it is characterized in that: the middle part of described welding body is provided with the perforate along welding body length directional spreding, the hole of described perforate is wide is no more than 1/3rd of welding body width.
Distance between adjacent apertures is not less than 1mm.
Described perforate is circular hole, rectangular opening.
Described perforate is square hole or round rectangle hole.
The utility model has the following advantages compared to existing technology:
The utility model, by being provided with the perforate along welding body length directional spreding at the middle part of welding body, reduces the use amount of welding, thus the cost realizing photovoltaic generation reduces; And this welding can revise shaping grinding apparatus or increase by one punch press operation and can produce on the basis of traditional mode of production welding, therefore manufacture simple, the perforate welding produced is applicable to the main gate line of various model, shape.
When perforate welding of the present utility model and partition main gate line use, can shading-area be reduced simultaneously, compare traditional welding cell piece and add daylighting area, improve the generating efficiency of cell piece, ensure that the realization of high-efficiency battery.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of photovoltaic welding belt in prior art;
Accompanying drawing 2 is the structural representation that photovoltaic welding belt of the present utility model is provided with round hole;
Accompanying drawing 3 is the structural representation that photovoltaic welding belt of the present utility model is provided with rectangle opening;
Accompanying drawing 4 is the structural representation of rectangular opening photovoltaic welding belt of the present utility model welding partition main gate line cell piece.
Wherein: 1-welding body; 2-perforate; 3-negative electrode; 4-positive electrode.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is further described.
As Figure 2-3: a kind of photovoltaic welding belt that can reduce costs raising generating efficiency, comprise welding body 1, the middle part of welding body 1 is provided with the perforate 2 along the distribution of welding body 1 length direction, the hole of described perforate 2 is wide is no more than 1/3rd of welding body 1 width, and the distance between adjacent apertures 2 is not less than 1mm.Perforate 2 can be set to circular hole, rectangular opening as required, or perforate 2 is set to square hole, round rectangle hole etc.
On the basis of conventional photovoltaic welding, in the perforate 2 of the middle part opened round of welding body 1, the maximum gauge of circular hole is calculated within 0.6mm with the wide 1.8mm of welding body 1, the effective welding in both sides of such circle is at more than 1.2mm, distance between circular hole and circular hole is minimum will at more than 1mm, can effectively ensure like this pulling force of welding and conductive capability unaffected, photovoltaic welding belt is provided with the structural representation of round hole 2 as shown in Figure 2.Also square opening can be opened in the centre of welding body 1, the maximal side of square opening is calculated within 0.6mm with the wide 1.8mm of welding body 1, the effective welding in both sides of such square opening is at more than 1.2mm, distance between square opening and square opening is minimum will at more than 1mm, can effectively ensure like this pulling force of welding and conductive capability unaffected.The photovoltaic welding belt of circular hole and square hole is applicable to the main gate line of various figure.
Front side silver paste is consumptive material costly, and now a lot of producer becomes to cut off the printed design of main gate line in order to the use cost of saving silver paste.According to this characteristic, can on the basis of conventional photovoltaic welding, the perforate 2 of rectangle is opened at the middle part of welding body 1, the Breadth Maximum of rectangular opening is calculated within 0.6mm with the wide 1.8mm of welding body 1, length length can be formulated according to the length of the partition of main gate line figure, can ensure that effective welding of rectangle both sides is at more than 1.2mm like this, distance between rectangular opening and rectangular opening can be formulated according to the length of the effective grid line of main gate line, can effectively ensure like this pulling force of welding and conductive capability unaffected, photovoltaic welding belt is provided with the structural representation of rectangle opening 2 as shown in Figure 3.Can also on the basis of conventional photovoltaic welding, the perforate 2 of round rectangle is opened at the middle part of welding body 1, the Breadth Maximum of round rectangle is calculated within 0.6mm with the wide 1.8mm of welding body 1, length length can be formulated according to the length of the partition of main gate line figure, can ensure that effective welding of round rectangle both sides is at more than 1.2mm like this, distance between round rectangle hole and round rectangle hole can be formulated according to the length of the effective grid line of main gate line, can effectively ensure like this pulling force of welding and conductive capability unaffected.The photovoltaic welding belt of circular hole and square hole is also applicable to this kind of partition main gate line.
Front welding is welded to by convergent belt in the main gate line of battery front side (negative pole), and convergent belt is zinc-plated copper strips, and welding can be welded in main gate line with the form of multiple spot point by the bonding machine that we use, and manual welding then whole contact-making surface is all welded.The length of welding is about 2 times of cell side length.Be connected with the backplate (negative pole) of cell piece below when the welding had more welds overleaf.Back side welding is the formation component string that is serially connected by 36 solar battery sheets, operator uses electric iron and solder stick to be welded in the backplate (positive pole) of second (below) cell piece by the front electrode (negative pole) of first (above) cell piece, so successively 36 are serially connected, and weld out lead-in wire at the both positive and negative polarity of component string.
Accompanying drawing 4 is the structural representation of rectangular opening photovoltaic welding belt welding partition main gate line cell piece, as shown in Figure 4, rectangular opening photovoltaic welding belt is welded on respectively on the negative electrode 3 of A-battery sheet front printing and the positive electrode 4 of B battery sheet back up and both is coupled together, the rectangular opening that wherein negative electrode 3 spills after welding can increase the area that cell piece absorbs solar light irradiation, improves generating efficiency.
The utility model, by being provided with the perforate 2 along the distribution of welding body 1 length direction at the middle part of welding body 1, reduces the use amount of welding, thus the cost realizing photovoltaic generation reduces; And this welding can revise shaping grinding apparatus or increase by one punch press operation and can produce on the basis of traditional mode of production welding, therefore manufacture simple, the perforate welding produced is applicable to the main gate line of various model, shape.When this perforate welding and partition main gate line use, can shading-area be reduced simultaneously, compare traditional welding cell piece and add daylighting area, improve the generating efficiency of cell piece, ensure that the realization of high-efficiency battery.
Above embodiment is only and technological thought of the present utility model is described, protection range of the present utility model can not be limited with this, every technological thought according to the utility model proposes, any change that technical scheme basis is done, all falls within the utility model protection range; The technology that the utility model does not relate to all is realized by prior art.

Claims (4)

1. one kind can reduce costs the photovoltaic welding belt improving generating efficiency, comprise welding body (1), it is characterized in that: the middle part of described welding body (1) is provided with the perforate (2) along the distribution of welding body (1) length direction, and the hole of described perforate (2) is wide is no more than 1/3rd of welding body (1) width.
2. the photovoltaic welding belt that can reduce costs raising generating efficiency according to claim 1, is characterized in that: the distance between adjacent apertures (2) is not less than 1mm.
3. the photovoltaic welding belt that can reduce costs raising generating efficiency according to claim 1, is characterized in that: described perforate (2) is circular hole, rectangular opening.
4. the photovoltaic welding belt that can reduce costs raising generating efficiency according to claim 1, is characterized in that: described perforate (2) is square hole or round rectangle hole.
CN201420619599.2U 2014-10-24 2014-10-24 A kind of photovoltaic welding belt that can reduce costs raising generating efficiency Active CN204243064U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104332519A (en) * 2014-10-24 2015-02-04 无锡帝科电子材料科技有限公司 Photovoltaic solder strip capable of reducing cost and improving power generation efficiency

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104332519A (en) * 2014-10-24 2015-02-04 无锡帝科电子材料科技有限公司 Photovoltaic solder strip capable of reducing cost and improving power generation efficiency

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Address after: 214203 11 Jincheng Road, Yixing economic and Technological Development Zone, Wuxi, Jiangsu

Patentee after: Wuxi dike electronic material Limited by Share Ltd

Address before: 214203 Wuxi Road, Yixing Economic Development Zone, Yongan Road, Pioneer Park two phase B2 building, Jiangsu

Patentee before: Wuxi Dike Electronic Material Technology Co., Ltd.

CP03 Change of name, title or address