CN106531831A - Photovoltaic welding band and photovoltaic assembly - Google Patents
Photovoltaic welding band and photovoltaic assembly Download PDFInfo
- Publication number
- CN106531831A CN106531831A CN201710055129.6A CN201710055129A CN106531831A CN 106531831 A CN106531831 A CN 106531831A CN 201710055129 A CN201710055129 A CN 201710055129A CN 106531831 A CN106531831 A CN 106531831A
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- Prior art keywords
- light
- photovoltaic
- ribbon
- receiving holes
- receiving
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- 238000003466 welding Methods 0.000 title description 5
- 230000001788 irregular Effects 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F19/00—Integrated devices, or assemblies of multiple devices, comprising at least one photovoltaic cell covered by group H10F10/00, e.g. photovoltaic modules
- H10F19/90—Structures for connecting between photovoltaic cells, e.g. interconnections or insulating spacers
- H10F19/902—Structures for connecting between photovoltaic cells, e.g. interconnections or insulating spacers for series or parallel connection of photovoltaic cells
- H10F19/904—Structures for connecting between photovoltaic cells, e.g. interconnections or insulating spacers for series or parallel connection of photovoltaic cells characterised by the shapes of the structures
-
- 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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- Photovoltaic Devices (AREA)
Abstract
本发明涉及一种光伏焊带及光伏组件，包括焊带本体，其特征是：在所述焊带本体上布置一排或多排受光孔，每排受光孔为一个或多个，每排受光孔沿焊带本体的长度方向布置。所述每排受光孔并排设置或者交错设置。所述受光孔的形状为腰形、圆形、矩形或不规则形状。所述同一根焊带本体上，受光孔的形状相同，或由多种形状组合而成。所述受光孔的直径为0.1～0.5mm。本发明所述光伏焊带由于在焊带本体上增加了受光孔，从而增加了电池片受光的面积，并减少了与主栅电池的接触电阻，可以有效改善现有技术中光伏焊带存在的受光面积受影响、接触电阻造成电学损失的问题。
The invention relates to a photovoltaic ribbon and a photovoltaic module, comprising a ribbon body, characterized in that one or more rows of light-receiving holes are arranged on the ribbon body, each row of light-receiving holes is one or more, and each row of light-receiving holes The holes are arranged along the length direction of the ribbon body. Each row of light-receiving holes is arranged side by side or staggered. The shape of the light-receiving hole is waist-shaped, circular, rectangular or irregular. On the same ribbon body, the light-receiving holes have the same shape, or a combination of multiple shapes. The diameter of the light-receiving hole is 0.1-0.5 mm. The photovoltaic ribbon of the present invention increases the light-receiving hole on the ribbon body, thereby increasing the light-receiving area of the battery sheet and reducing the contact resistance with the main grid battery, which can effectively improve the existing photovoltaic ribbon in the prior art. The light-receiving area is affected, and the contact resistance causes electrical loss.
Description
技术领域technical field
本发明涉及一种用于太阳能光伏组件的光伏焊带及光伏组件，尤其是一种接触电阻小，可使电池受光面积增大的互联条焊带。The invention relates to a photovoltaic welding strip used for solar photovoltaic components and a photovoltaic component, in particular to an interconnecting strip welding strip with small contact resistance and which can increase the light-receiving area of a battery.
背景技术Background technique
常规光伏互联条焊带一般为整根镀锡铜带，如图1所示。Conventional photovoltaic interconnection strips are generally a whole tinned copper strip, as shown in Figure 1.
在现有的光伏组件焊接过程中，组件厂家为了防止电池主栅线露白，焊带会适当大于主栅宽度。采用这种方式存在以下缺点：（1）多余的焊带宽度会减少电池片的受光面积；（2）焊带本身的宽度影响了电池的受光面积；（3）在电学损失上，焊带与主栅线的接触电阻占到了主要部分。In the existing welding process of photovoltaic modules, in order to prevent the main grid lines of the battery from being exposed, the module manufacturers make the soldering strips appropriately larger than the width of the main grid. This method has the following disadvantages: (1) The extra width of the ribbon will reduce the light-receiving area of the cell; (2) The width of the ribbon itself affects the light-receiving area of the battery; (3) In terms of electrical loss, the ribbon and the The contact resistance of the main grid line accounts for the main part.
发明内容Contents of the invention
本发明的目的是克服现有技术中存在的不足，提供一种光伏焊带及光伏组件，能够减少焊带与主栅线的接触电阻，增加电池片受光的面积。The object of the present invention is to overcome the deficiencies in the prior art, and provide a photovoltaic ribbon and a photovoltaic module, which can reduce the contact resistance between the ribbon and the busbar, and increase the light-receiving area of the cell.
按照本发明提供的技术方案，所述光伏焊带，包括焊带本体，其特征是：在所述焊带本体上布置一排或多排受光孔，每排受光孔为一个或多个，每排受光孔沿焊带本体的长度方向布置。According to the technical solution provided by the present invention, the photovoltaic ribbon includes a ribbon body, which is characterized in that: one or more rows of light-receiving holes are arranged on the ribbon body, each row of light-receiving holes is one or more, each A row of light-receiving holes is arranged along the length direction of the ribbon body.
在一个具体实施方式中，所述每排受光孔并排设置或者交错设置。In a specific embodiment, each row of light-receiving holes is arranged side by side or staggered.
在一个具体实施方式中，所述每排受光孔沿焊带本体的长度方向均匀布置。In a specific embodiment, each row of light receiving holes is evenly arranged along the length direction of the ribbon body.
在一个具体实施方式中，所述受光孔沿焊带本体的中心线对称布置。In a specific embodiment, the light receiving holes are arranged symmetrically along the center line of the ribbon body.
在一个具体实施方式中，所述受光孔沿焊带本体的中心线偏移设置。In a specific embodiment, the light receiving hole is offset along the centerline of the ribbon body.
在一个具体实施方式中，所述受光孔的形状为腰形、圆形、矩形或不规则形状。In a specific embodiment, the shape of the light-receiving hole is waist-shaped, circular, rectangular or irregular.
在一个具体实施方式中，所述同一根焊带本体上，受光孔的形状相同，或由多种形状组合而成。In a specific embodiment, on the same ribbon body, the light-receiving holes have the same shape, or a combination of multiple shapes.
在一个具体实施方式中，所述受光孔的侧壁由内端面向外端面倾斜设置使受光孔外端面的轮廓大于内端面的轮廓。In a specific embodiment, the side wall of the light receiving hole is inclined from the inner end surface to the outer end surface so that the outline of the outer end surface of the light receiving hole is larger than the outline of the inner end surface.
在一个具体实施方式中，所述受光孔的直径为0.1～0.5mm。In a specific embodiment, the diameter of the light-receiving hole is 0.1-0.5 mm.
所述光伏组件，包括若干电池片，其特征是：所述电池片由光伏焊带连接，光伏焊带的宽度大于或等于主栅线宽度；所述光伏焊带包括焊带本体，在焊带本体上设置一个或多个受光孔。The photovoltaic module includes several battery slices, which are characterized in that: the battery slices are connected by photovoltaic ribbons, and the width of the photovoltaic ribbons is greater than or equal to the width of the busbar; One or more light-receiving holes are arranged on the body.
本发明所述光伏焊带由于在焊带本体上增加了受光孔，从而增加了电池片受光的面积，并减少了与主栅电池的接触电阻，可以有效改善现有技术中光伏焊带存在的受光面积受影响、接触电阻造成电学损失的问题。The photovoltaic ribbon of the present invention increases the light-receiving hole on the ribbon body, thereby increasing the light-receiving area of the battery sheet and reducing the contact resistance with the main grid battery, which can effectively improve the existing photovoltaic ribbon in the prior art. The light-receiving area is affected, and the contact resistance causes electrical loss.
附图说明Description of drawings
图1为常规光伏互联条焊带的结构示意图。Fig. 1 is a schematic structural diagram of a conventional photovoltaic interconnection ribbon.
图2为本发明所述光伏焊带的结构示意图。Fig. 2 is a schematic structural view of the photovoltaic ribbon according to the present invention.
图3为采用本发明所述光伏焊带焊接得到的光伏组件的示意图。Fig. 3 is a schematic diagram of a photovoltaic module welded by using the photovoltaic ribbon of the present invention.
附图标记说明：1-焊带本体、2-受光孔。Explanation of reference numerals: 1 - welding strip body, 2 - light receiving hole.
具体实施方式detailed description
下面结合具体附图对本发明作进一步说明。The present invention will be further described below in conjunction with specific drawings.
实施例一：Embodiment one:
如图2所示，本发明所述光伏焊带包括焊带本体1，焊带本体1的正面和背面均为平面，在焊带本体1上布置一排受光孔2，受光孔2为一个或多个；所述受光孔2沿焊带本体1的长度方向均匀或不均匀布置。所述受光孔2可以采用滚压或者冲压的方式加工而成。As shown in Figure 2, the photovoltaic ribbon of the present invention includes a ribbon body 1, the front and back of the ribbon body 1 are flat, and a row of light-receiving holes 2 are arranged on the ribbon body 1, and the light-receiving hole 2 is one or Multiple; the light receiving holes 2 are arranged uniformly or unevenly along the length direction of the ribbon body 1 . The light receiving hole 2 can be processed by rolling or stamping.
所述受光孔2沿焊带本体1的中心线布置；全部受光孔2的中心线与焊带本体1的中心线重合，也可以部分受光孔2的中心线与焊带本体1的中心线重合，或者所有受光孔2的中心线均与焊带本体1的中心线相偏移设置。The light-receiving holes 2 are arranged along the centerline of the ribbon body 1; the centerlines of all the light-receiving holes 2 coincide with the centerline of the ribbon body 1, and the centerlines of part of the light-receiving holes 2 may coincide with the centerline of the ribbon body 1 , or the centerlines of all light-receiving holes 2 are offset from the centerline of the ribbon body 1 .
所述受光孔2的形状为腰形、圆形、矩形或其他不规则形状；在同一根焊带本体1上，受光孔2可以为一种形状，或由上述几种形状组合而成。The shape of the light-receiving hole 2 is waist-shaped, circular, rectangular or other irregular shapes; on the same ribbon body 1, the light-receiving hole 2 can be of one shape, or a combination of the above-mentioned shapes.
所述受光孔2的直径一般为0.2～0.5mm。The diameter of the light receiving hole 2 is generally 0.2-0.5 mm.
实施例二：Embodiment two:
本发明所述光伏焊带包括焊带本体1，在焊带本体1上沿宽度方向布置多排受光孔2，每排受光孔2为一个或多个，每排受光孔2可以并排设置也可以交错设置；所述受光孔2可以采用冲压的方式加工而成。The photovoltaic ribbon of the present invention includes a ribbon body 1, and a plurality of rows of light-receiving holes 2 are arranged on the ribbon body 1 along the width direction, each row of light-receiving holes 2 is one or more, and each row of light-receiving holes 2 can be arranged side by side or Arranged in a staggered manner; the light receiving holes 2 can be processed by stamping.
所述受光孔2的形状为腰形、圆形、矩形或其他不规则形状；在同一根焊带本体1上，受光孔2可以为一种形状，或由上述几种形状组合而成。The shape of the light-receiving hole 2 is waist-shaped, circular, rectangular or other irregular shapes; on the same ribbon body 1, the light-receiving hole 2 can be of one shape, or a combination of the above-mentioned shapes.
所述受光孔2的直径一般为0.1～0.2mm。The diameter of the light receiving hole 2 is generally 0.1-0.2 mm.
实施例三：Embodiment three:
实施例三所述光伏焊带的结构同实施例一或实施例二，在实施例三中受光孔2的侧壁由内端面向外端面倾斜设置，即受光孔2的外端面的轮廓大于内端面的轮廓，避免由于焊带本体1本身的厚度造成的对受光孔2受光面积的影响，可以方便电池片由受光孔2处增加受光。The structure of the photovoltaic ribbon described in Embodiment 3 is the same as in Embodiment 1 or Embodiment 2. In Embodiment 3, the side wall of the light-receiving hole 2 is inclined from the inner end to the outer end surface, that is, the outline of the outer end surface of the light-receiving hole 2 is larger than the inner surface. The profile of the end surface avoids the influence of the thickness of the ribbon body 1 on the light-receiving area of the light-receiving hole 2, which can facilitate the cell to increase light receiving from the light-receiving hole 2.
本发明所述光伏焊带在现有光伏焊带的基础上进行加工处理，在焊带本体1上增加了一种或多种形状的受光孔2。采用本发明所述光伏焊带焊接得到的光伏组件如图3所示，由于在焊带本体1上增加了受光孔2，从而增加了电池片受光的面积，并减少了与主栅电池的接触电阻，可以有效改善现有技术中光伏焊带存在的受光面积受影响、接触电阻造成电学损失的问题。The photovoltaic ribbon of the present invention is processed on the basis of the existing photovoltaic ribbon, and light-receiving holes 2 of one or more shapes are added to the ribbon body 1 . The photovoltaic module welded by the photovoltaic ribbon according to the present invention is shown in Figure 3. Since the light-receiving hole 2 is added to the ribbon body 1, the light-receiving area of the battery sheet is increased, and the contact with the main grid battery is reduced. resistance, which can effectively improve the problems in the prior art that the light-receiving area of the photovoltaic ribbon is affected and the electrical loss is caused by contact resistance.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710055129.6A CN106531831A (en) | 2017-01-24 | 2017-01-24 | Photovoltaic welding band and photovoltaic assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710055129.6A CN106531831A (en) | 2017-01-24 | 2017-01-24 | Photovoltaic welding band and photovoltaic assembly |
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| Publication Number | Publication Date |
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| CN106531831A true CN106531831A (en) | 2017-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710055129.6A Pending CN106531831A (en) | 2017-01-24 | 2017-01-24 | Photovoltaic welding band and photovoltaic assembly |
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| CN (1) | CN106531831A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109616540A (en) * | 2019-01-30 | 2019-04-12 | 浙江晶科能源有限公司 | A battery string and a photovoltaic module |
| CN111244209A (en) * | 2020-03-19 | 2020-06-05 | 成都晔凡科技有限公司 | Laminated tile assembly and manufacturing method thereof |
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| CN203415586U (en) * | 2013-05-24 | 2014-01-29 | 英利能源（中国）有限公司 | A solar battery soldering belt and a solar battery |
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