CN209804675U - slotted battery piece and battery piece subassembly - Google Patents

slotted battery piece and battery piece subassembly Download PDF

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Publication number
CN209804675U
CN209804675U CN201920989175.8U CN201920989175U CN209804675U CN 209804675 U CN209804675 U CN 209804675U CN 201920989175 U CN201920989175 U CN 201920989175U CN 209804675 U CN209804675 U CN 209804675U
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China
Prior art keywords
battery piece
welding
slotted
battery
welding layer
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CN201920989175.8U
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Chinese (zh)
Inventor
周豪浩
张卫
任锴
曾仲
徐晓平
楚海元
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Wuxi Suntech Power Co Ltd
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Wuxi Suntech Power 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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  • Connection Of Batteries Or Terminals (AREA)

Abstract

The utility model relates to a photovoltaic field, concretely relates to fluting battery piece and battery piece subassembly. The slotted battery piece comprises a battery piece body, wherein the front surface of the battery piece body is provided with a main grid line, and the battery piece body close to the end of the main grid line is provided with a groove; the main grid line upper berth is equipped with first welding layer, and the battery piece body back has been laid with first welding layer position corresponding second welding layer, preceding welding end and back welding end are formed respectively to preceding, the back both ends on first welding layer and the preceding, the back both ends on second welding layer. The battery piece assembly comprises a plurality of slotted battery pieces, and a second welding layer on the previous slotted battery piece is connected with a first welding layer on the current slotted battery piece through a bent welding strip; the bent solder strip penetrates through the groove. The slotting battery piece and the battery piece assembly can improve the assembly efficiency, reduce the risk of splitting the battery piece and reduce the cost of the single piece.

Description

Slotted battery piece and battery piece subassembly
Technical Field
the utility model relates to a photovoltaic field, concretely relates to fluting battery piece and battery piece subassembly.
Background
At present, the photovoltaic module is limited by the reason that more splinters can occur in the module production process, the distance between the battery pieces needs to be designed to be larger, and the distance between the traditional battery pieces is 2.0-3.0 mm mostly. The structure reduces the efficiency of the assembly, so that the power of the assembly per unit area is reduced, and the cost of a single watt is increased.
The invention designs a grid line slotting battery technology. A battery using the structure. The distance between the battery pieces can be greatly shortened. So that the distance between the battery plates can be reduced to 0.1 mm at the shortest. Shortened by tens of times compared with the original. This technique can improve assembly efficiency. And the risk of cell cracking is reduced. And simultaneously, the cost of a single watt can be reduced.
Disclosure of Invention
In order to solve the not enough of existence among the prior art, the utility model provides a fluting battery piece and battery piece subassembly, fluting battery piece and battery piece subassembly can this technique promote subassembly efficiency, reduce the battery piece and split the piece risk, can reduce the monolithic cost simultaneously.
according to the technical scheme provided by the utility model, as a first aspect of the utility model, a slotted battery piece is provided, a silicon slice on the slotted battery piece is formed by slicing a silicon ingot slotted at the position of a grid line; the slotted battery piece comprises a battery piece body, wherein the front surface of the battery piece body is provided with a main grid line, and the battery piece body close to the end of the main grid line is provided with a groove;
The main grid line upper berth is equipped with first welding layer, and the battery piece body back has been laid with first welding layer position corresponding second welding layer, preceding welding end and back welding end are formed respectively to preceding, the back both ends on first welding layer and the preceding, the back both ends on second welding layer.
As a second aspect of the present invention, there is provided a battery plate assembly, which includes a plurality of slotted battery plates as described in the first aspect of the present invention, and a second welding layer on a previous slotted battery plate is connected to a first welding layer on a current slotted battery plate through a bending welding strip; the bent solder strip penetrates through the groove.
Furthermore, one end of the bent welding strip is connected with a rear welding end of the second welding layer on the previous slotted battery piece, and the other end of the bent welding strip is connected with a front welding joint of the first welding layer on the current slotted battery piece.
From the foregoing, the utility model provides a fluting battery piece and battery piece subassembly compares with prior art, possesses following advantage: the groove is formed in the cell body, so that the bending welding strip can pass through the groove, and therefore, on one hand, the bending welding strip has a special accommodating space, and the problem of infirm welding caused by dislocation movement of the bending welding strip is solved; on the other hand, need leave sufficient space between the battery piece among the prior art battery piece subassembly usually and make the area is welded in buckling passes, in case the distance undersize between the battery piece can make the area is welded in buckling and crowded battery piece that splits, and the utility model provides a recess can shorten the interval between the battery piece body and weld the sufficient space in area based on buckling when, can effectively avoid the lobe of a leaf risk that the battery piece interval leads to for a short time.
Drawings
Fig. 1 is a schematic structural diagram of the first aspect of the present invention.
fig. 2 is an enlarged schematic view of a portion a in fig. 1.
Fig. 3 is an enlarged schematic structural view of a portion B in fig. 2.
Fig. 4 is a schematic structural diagram of a second aspect of the present invention.
100. The battery piece comprises a battery piece body, 200 main grid lines, 310 first welding layers, 320 second welding layers, 330 bending welding strips, 410 front grooves and 420 rear grooves.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings. The terms "inner" and "outer" are used to refer to directions toward and away from, respectively, the geometric center of a particular component.
As a first embodiment of the first aspect of the present invention, as shown in fig. 1 ~ and fig. 3:
Providing a slotted battery piece, wherein the slotted battery piece comprises a battery piece body 100, a main grid line 200 is arranged on the front surface of the battery piece body 100, the main grid line 200 penetrates through the front end and the rear end of the front surface of the battery piece body 100, the front end of the main grid line 200 forms the front end of the main grid line 200, and the rear end of the main grid line 200 forms the rear end of the main grid line 200; a front groove 410 is formed in the battery piece body 100 close to the front end of the main grid line 200, and a rear groove 420 is formed in the battery piece close to the rear end of the main grid line 200;
The main grid line 200 is paved with a first welding layer 310, the front and rear ends of the first welding layer 310 form a front welding end and a rear welding end respectively, the back of the cell body 100 is paved with a second welding layer 320 corresponding to the first welding layer 310, and the front and rear ends of the second welding layer 320 form a front welding end and a rear welding end respectively.
As a first embodiment of the second aspect of the present invention, as shown in fig. 4:
The utility model provides a battery plate assembly, battery plate assembly includes a plurality of as the utility model discloses the first embodiment of the first aspect slotted battery piece to second welding layer 320 on the preceding slotted battery piece links to each other through bending solder strip 330 with the first welding layer 310 on the current slotted battery piece between, after bending solder strip 330 passed preceding recess 410 and/or back recess 420 on the current slotted battery piece, the one end of bending solder strip 330 was connected the back welding end of second welding layer 320 on the preceding slotted battery piece, the other end of bending solder strip 330 was connected the welding front connector of first welding layer 310 on the current slotted battery piece.
as a second embodiment of the first aspect of the present invention:
Providing a slotted battery piece, wherein the slotted battery piece comprises a battery piece body 100, a main grid line 200 is arranged on the front surface of the battery piece body 100, the main grid line 200 penetrates through the front end and the rear end of the front surface of the battery piece body 100, the front end of the main grid line 200 forms the front end of the main grid line 200, and the rear end of the main grid line 200 forms the rear end of the main grid line 200; a front groove 410 is formed in the cell body 100 close to the front end of the main grid line 200;
The main grid line 200 is paved with a first welding layer 310, the front and rear ends of the first welding layer 310 form a front welding end and a rear welding end respectively, the back of the cell body 100 is paved with a second welding layer 320 corresponding to the first welding layer 310, and the front and rear ends of the second welding layer 320 form a front welding end and a rear welding end respectively.
As a second embodiment of the second aspect of the present invention:
the utility model provides a battery plate assembly, battery plate assembly includes a plurality of as the utility model discloses the second kind of embodiment of the first aspect slotted battery piece to it is continuous through bending welding strip 330 between second welding layer 320 on the preceding slotted battery piece and the first welding layer 310 on the current slotted battery piece, after bending welding strip 330 passed preceding recess 410 on the current slotted battery piece, the one end of bending welding strip 330 was connected the back welding end of second welding layer 320 on the preceding slotted battery piece, the other end of bending welding strip 330 is connected the welding front connector of first welding layer 310 on the current slotted battery piece.
as a third embodiment of the first aspect of the present invention:
Providing a slotted battery piece, wherein the slotted battery piece comprises a battery piece body 100, a main grid line 200 is arranged on the front surface of the battery piece body 100, the main grid line 200 penetrates through the front end and the rear end of the front surface of the battery piece body 100, the front end of the main grid line 200 forms the front end of the main grid line 200, and the rear end of the main grid line 200 forms the rear end of the main grid line 200; a rear groove 420 is formed in the cell body 100 close to the front end of the main grid line 200;
The main grid line 200 is paved with a first welding layer 310, the front and rear ends of the first welding layer 310 form a front welding end and a rear welding end respectively, the back of the cell body 100 is paved with a second welding layer 320 corresponding to the first welding layer 310, and the front and rear ends of the second welding layer 320 form a front welding end and a rear welding end respectively.
as a third embodiment of the second aspect of the present invention:
the utility model provides a battery plate assembly, battery plate assembly includes a plurality of as the utility model discloses the third kind of embodiment of the first aspect slotted battery piece to weld the area 330 through bending between the second welding layer 320 on the preceding slotted battery piece and the first welding layer 310 on the current slotted battery piece and link to each other, after bending and welding area 330 passed the back recess 420 on the current slotted battery piece, the one end of bending and welding area 330 was connected the back welding end of second welding layer 320 on the preceding slotted battery piece, the other end of bending and welding area 330 is connected the joint before the welding of first welding layer 310 on the current slotted battery piece.
Those of ordinary skill in the art will understand that: the above description is only for the specific embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit of the present invention should be included in the protection scope of the present invention.

Claims (3)

1. The slotted battery piece is characterized by comprising a battery piece body (100), wherein the front surface of the battery piece body (100) is provided with a main grid line (200), and the battery piece body (100) close to the end of the main grid line (200) is provided with a groove;
The solar cell is characterized in that a first welding layer (310) is laid on the main grid line (200), a second welding layer (320) corresponding to the first welding layer (310) in position is laid on the back of the cell body (100), and a front welding end and a rear welding end are formed at the front end and the rear end of the first welding layer (310) and the front end and the rear end of the second welding layer (320) respectively.
2. A battery plate assembly, characterized in that the battery plate assembly comprises a plurality of slotted battery plates according to claim 1, and the second welding layer (320) on the previous slotted battery plate is connected with the first welding layer (310) on the current slotted battery plate through a bending welding strip (330); the bending welding strip (330) penetrates through the groove.
3. the battery tab assembly of claim 2 wherein one end of the bend solder strip (330) is connected to the rear solder terminal of the second solder layer (320) on the previous slotted battery tab and the other end of the bend solder strip (330) is connected to the front solder terminal of the first solder layer (310) on the current slotted battery tab.
CN201920989175.8U 2019-06-28 2019-06-28 slotted battery piece and battery piece subassembly Active CN209804675U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920989175.8U CN209804675U (en) 2019-06-28 2019-06-28 slotted battery piece and battery piece subassembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920989175.8U CN209804675U (en) 2019-06-28 2019-06-28 slotted battery piece and battery piece subassembly

Publications (1)

Publication Number Publication Date
CN209804675U true CN209804675U (en) 2019-12-17

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110197857A (en) * 2019-06-28 2019-09-03 无锡尚德太阳能电力有限公司 Fluting cell piece and cell piece component

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110197857A (en) * 2019-06-28 2019-09-03 无锡尚德太阳能电力有限公司 Fluting cell piece and cell piece component

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