CN204332975U - A kind of multiple-grid line cell piece and solar module - Google Patents

A kind of multiple-grid line cell piece and solar module Download PDF

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Publication number
CN204332975U
CN204332975U CN201420787033.0U CN201420787033U CN204332975U CN 204332975 U CN204332975 U CN 204332975U CN 201420787033 U CN201420787033 U CN 201420787033U CN 204332975 U CN204332975 U CN 204332975U
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China
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main gate
gate line
line
cell piece
grid line
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CN201420787033.0U
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Inventor
姜占峰
王胜亚
胡娟
钟静
葛纪累
冯志伟
张铖
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BYD Co Ltd
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BYD 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

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Abstract

The utility model relates to a kind of multiple-grid line cell piece and solar module.The sensitive surface of this multiple-grid line cell piece is provided with many secondary grid lines and n root main gate line, secondary grid line and the interlaced arrangement of main gate line, the end that two of described sensitive surface are relative is provided with a main gate line Rendezvous Point separately, one end of described main gate line comes together in the main gate line Rendezvous Point of described sensitive surface one end, the other end of described main gate line comes together in the main gate line Rendezvous Point of the described sensitive surface other end, and n root main gate line is symmetrical arranged along the line of two main gate line Rendezvous Points, wherein, n root or n-1 root main gate line occur at middle part to bend at least one times, and n >=4.This solar module comprises several solar battery sheets in series or in parallel with each other, and wherein, described solar battery sheet is above-mentioned multiple-grid line cell piece.The described multiple-grid line cell piece that the utility model provides can obtain higher electricity conversion.

Description

A kind of multiple-grid line cell piece and solar module
Technical field
The utility model relates to field of batteries, particularly, relates to a kind of multiple-grid line cell piece and solar module.
Background technology
Because fossil energy is petered out, so novel energy such as solar energy, wind energy are risen gradually.Device of solar generating, as a kind of device directly converted solar energy into electrical energy, has that installation form is various, safety non-pollution, inexhaustible, nexhaustible advantage, greatly develops so obtain.
In device of solar generating, solar battery sheet is one of most crucial parts.In order to adapt to the harsher demand of photovoltaic market, by improving solar battery sheet improve conversion efficiency and/or reduce production cost, paid close attention to more and more widely.
Traditional solar battery sheet as shown in Figure 1, the sensitive surface of this cell piece is provided with many secondary grid lines be parallel to each other 2 and three main gate line be parallel to each other 1.For the cell piece that this is traditional, main gate line 1 compares dispersion with between secondary grid line 2 on the one hand, and the electronics that secondary grid line produces is longer to the distance of main gate line, makes the electricity conversion of cell piece lower; On the other hand the diameter of main gate line 1 is comparatively large, is generally 1.4-1.6mm, and thus the shading-area of main gate line is comparatively large, makes the effective area on cell piece less, and for the formation of the large usage quantity that the material of main gate line is starched as silver.
Utility model content
The purpose of this utility model is to provide a kind of new multiple-grid line cell piece and solar module, longer to the distance of main gate line to overcome the electronics in existing cell piece on secondary grid line, thus the defect causing electricity conversion lower.
The utility model provides a kind of multiple-grid line cell piece, wherein, the sensitive surface of this multiple-grid line cell piece is provided with many secondary grid lines and n root main gate line, secondary grid line and the interlaced arrangement of main gate line, the end that two of described sensitive surface are relative is provided with a main gate line Rendezvous Point separately, one end of described main gate line comes together in the main gate line Rendezvous Point of described sensitive surface one end, the other end of described main gate line comes together in the main gate line Rendezvous Point of the described sensitive surface other end, and n root main gate line is symmetrical arranged along the line of two main gate line Rendezvous Points, wherein, n root or n-1 root main gate line occur at middle part to bend at least one times, and n >=4, be preferably 6-20.
Preferably, main gate line described in each root is positioned at the side of the line of described two main gate line Rendezvous Points or is positioned on described line.
Preferably, many secondary grid lines are arranged mutually parallel.
Further preferably, n root or n-1 root main gate line occur at middle part once to bend, and each inflection point formed is positioned on same secondary grid line.
Further preferably, each inflection point is the mid point of corresponding main gate line.
Further preferably, the line of the main gate line Rendezvous Point of two ends is mutually vertical with described secondary grid line.
Further preferably, on the secondary grid line residing for inflection point, in the contact site of each main gate line and this secondary grid line, the distances in two contact sites of arbitrary neighborhood are equal.
Preferably, n is odd number, has a main gate line to bend, and the main gate line not occurring to bend is overlapping with the line of two main gate line Rendezvous Points.
Preferably, n is even number, and all main gate line all bend.
Preferably, the diameter of described main gate line is 50-300 micron.
The utility model additionally provides a kind of solar module, comprises the solar battery sheet that several are in series or in parallel with each other, wherein, and the above-mentioned multiple-grid line cell piece that described solar battery sheet provides for the utility model.
According to the described multiple-grid line cell piece that the utility model provides, by increasing the radical of main gate line, and make main gate line with specific vibrational power flow on the sensitive surface of cell piece, can guarantee that the electric current that cell piece produces converges in neighbouring main gate line nearby by secondary grid line like this, thus shorten the distance of electronics to main gate line, reduce the loss of electronics, improve the electricity conversion of cell piece.
In addition, compared with traditional solar battery sheet, the diameter of the main gate line on multiple-grid line cell piece described in the utility model can reduce greatly, thus reduces the shading-area of main gate line, add the effective area of cell piece, and then improve the electricity conversion of cell piece.
Other features and advantages of the utility model are described in detail in embodiment part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for specification, is used from explanation the utility model, but does not form restriction of the present utility model with embodiment one below.In the accompanying drawings:
Fig. 1 is the structural representation of existing cell piece;
Fig. 2 is the structural representation of the cell piece that the utility model provides.
Description of reference numerals
The secondary grid line of 1 main gate line 2
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the utility model, is not limited to the utility model.
As shown in Figure 2, in the described multiple-grid line cell piece that the utility model provides, the sensitive surface of cell piece is provided with many secondary grid lines 2 and n root main gate line 1, secondary grid line 2 and the interlaced arrangement of main gate line 1, the end that two of described sensitive surface are relative is provided with a main gate line Rendezvous Point separately, one end of described main gate line comes together in the main gate line Rendezvous Point of described sensitive surface one end, the other end of described main gate line comes together in the main gate line Rendezvous Point of the described sensitive surface other end, and n root main gate line is symmetrical arranged along the line of two main gate line Rendezvous Points, wherein, n root or n-1 root main gate line occur at middle part to bend at least one times, and n >=4, be preferably 6-20.
In the utility model, the middle part of main gate line not refers to the mid point of main gate line, and refers to the position between two ends of main gate line.
In described multiple-grid line cell piece, main gate line described in each root is positioned at the side of the line of described two main gate line Rendezvous Points or is positioned on described line.
In described multiple-grid line cell piece, many secondary grid lines 2 can be arranged mutually parallel, and also can arrange with irregular shape, such as, arrange with spider reticulation.
In described multiple-grid line cell piece, n root or n-1 root main gate line can occur at middle part once to bend, and also can occur repeatedly to bend, such as, twice bending can occur.Preferably, n root or n-1 root main gate line occur at middle part once to bend.Further preferably, each inflection point of formation is positioned on same secondary grid line.
According to a kind of preferred implementation of the present utility model, as shown in Figure 2, in described multiple-grid line cell piece, the end that two of sensitive surface are relative arranges a main gate line Rendezvous Point separately, many secondary grid line 2 is arranged mutually parallel, n root or n-1 root main gate line occur at middle part once to bend, and each inflection point formed is positioned on same secondary grid line.In this preferred implementation, the both sides of the secondary grid line of main gate line residing for each inflection point form the structure of umbrella shape respectively.
In described multiple-grid line cell piece, when n root or n-1 root main gate line occur once to bend at middle part, preferably, each inflection point is the mid point of corresponding main gate line.Further preferably, the end that two of sensitive surface are relative arranges a main gate line Rendezvous Point separately, and the line of the main gate line Rendezvous Point of two ends is mutually vertical with described secondary grid line.In this case, the both sides of the secondary grid line of main gate line residing for each inflection point form symmetrical beveled structure respectively.
In described multiple-grid line cell piece, when two of sensitive surface relative ends arrange a main gate line Rendezvous Point separately, many secondary grid line 2 is arranged mutually parallel, n root or n-1 root main gate line occur at middle part once to bend, and when each inflection point formed is positioned on same secondary grid line, on the secondary grid line residing for inflection point, in the contact site of each main gate line and this secondary grid line, the distance in two contact sites of arbitrary neighborhood is equal, herein equal, just ideally equal, in actual use, due to process variations, environmental difference, many-sided impacts such as survey tool difference, certain error may be caused, therefore, herein equal, can allow to there is error to a certain extent.In this case, each main gate line is uniformly distributed on the sensitive surface of cell piece, thus is more conducive to the electricity conversion improving cell piece.
In described multiple-grid line cell piece, when the radical n of main gate line is odd number, preferably, have a main gate line to bend, and the main gate line not occurring to bend is overlapping with the line of two main gate line Rendezvous Points.
In described multiple-grid line cell piece, when the radical n of main gate line is even number, preferably, all main gate line all bend.
In the utility model, the diameter of described main gate line can be 50-300 micron, is preferably 100-200 micron.Described main gate line can be wire, such as copper wire.
In the utility model, described secondary grid line can be silver, copper, tin, ashbury metal etc.The width of described secondary grid line can be 40-80 micron, and thickness can be 5-20 micron.Described secondary grid line can be 50-120 bar, and the spacing of adjacent two secondary grid lines can be 0.5-3mm.
The utility model additionally provides a kind of solar module, comprises the solar battery sheet that several are in series or in parallel with each other, wherein, and the above-mentioned multiple-grid line cell piece that described solar battery sheet provides for the utility model.
Below preferred implementation of the present utility model is described by reference to the accompanying drawings in detail; but; the utility model is not limited to the detail in above-mentioned execution mode; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection range of the present utility model.
It should be noted that in addition, each the concrete technical characteristic described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode.In order to avoid unnecessary repetition, the utility model illustrates no longer separately to various possible compound mode.
In addition, also can carry out combination in any between various different execution mode of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.

Claims (12)

1. a multiple-grid line cell piece, it is characterized in that, the sensitive surface of this multiple-grid line cell piece is provided with many secondary grid lines and n root main gate line, secondary grid line and the interlaced arrangement of main gate line, the end that two of described sensitive surface are relative is provided with a main gate line Rendezvous Point separately, one end of described main gate line comes together in the main gate line Rendezvous Point of described sensitive surface one end, the other end of described main gate line comes together in the main gate line Rendezvous Point of the described sensitive surface other end, and n root main gate line is symmetrical arranged along the line of two main gate line Rendezvous Points, wherein, n root or n-1 root main gate line occur at middle part to bend at least one times, and n >=4.
2. multiple-grid line cell piece according to claim 1, is characterized in that, main gate line described in each root is positioned at the side of the line of described two main gate line Rendezvous Points or is positioned on described line.
3. multiple-grid line cell piece according to claim 1 and 2, is characterized in that, n is 6-20.
4. multiple-grid line cell piece according to claim 1 and 2, is characterized in that, many secondary grid lines are arranged mutually parallel.
5. multiple-grid line cell piece according to claim 4, is characterized in that, n root or n-1 root main gate line occur at middle part once to bend, and each inflection point formed is positioned on same secondary grid line.
6. multiple-grid line cell piece according to claim 5, is characterized in that, each inflection point is the mid point of corresponding main gate line.
7. multiple-grid line cell piece according to claim 1 and 2, is characterized in that, the line of the main gate line Rendezvous Point of two ends is mutually vertical with described secondary grid line.
8. multiple-grid line cell piece according to claim 5, is characterized in that, on the secondary grid line residing for inflection point, in the contact site of each main gate line and this secondary grid line, the distances in two contact sites of arbitrary neighborhood are equal.
9. multiple-grid line cell piece according to claim 1 and 2, it is characterized in that, n is odd number, has a main gate line to bend, and the main gate line not occurring to bend is overlapping with the line of two main gate line Rendezvous Points.
10. multiple-grid line cell piece according to claim 1 and 2, is characterized in that, n is even number, and all main gate line all bend.
11. multiple-grid line cell pieces according to claim 1 and 2, is characterized in that, the diameter of described main gate line is 50-300 micron.
12. 1 kinds of solar modules, comprise the solar battery sheet that several are in series or in parallel with each other, it is characterized in that, described solar battery sheet is the multiple-grid line cell piece in claim 1-11 described in any one.
CN201420787033.0U 2014-12-12 2014-12-12 A kind of multiple-grid line cell piece and solar module Active CN204332975U (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106098826A (en) * 2016-08-05 2016-11-09 星慧照明工程集团有限公司 A kind of high-efficiency solar silion cell plate and preparation method, battery component
CN106224877A (en) * 2016-08-05 2016-12-14 星慧照明工程集团有限公司 A kind of wind-solar hybrid intelligent LED street lamp and preparation method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106098826A (en) * 2016-08-05 2016-11-09 星慧照明工程集团有限公司 A kind of high-efficiency solar silion cell plate and preparation method, battery component
CN106224877A (en) * 2016-08-05 2016-12-14 星慧照明工程集团有限公司 A kind of wind-solar hybrid intelligent LED street lamp and preparation method

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