CN208240703U - Photovoltaic module - Google Patents
Photovoltaic module Download PDFInfo
- Publication number
- CN208240703U CN208240703U CN201820954664.5U CN201820954664U CN208240703U CN 208240703 U CN208240703 U CN 208240703U CN 201820954664 U CN201820954664 U CN 201820954664U CN 208240703 U CN208240703 U CN 208240703U
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- China
- Prior art keywords
- battery strings
- cell piece
- photovoltaic module
- length
- welding
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- 238000003466 welding Methods 0.000 claims abstract description 60
- 230000005611 electricity Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
-
- 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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- Photovoltaic Devices (AREA)
Abstract
The utility model provides a kind of photovoltaic module, including several parallel arrangeds and spaced battery strings, the battery strings include n cell piece and adjacent two cell piece is connected by welding, it is characterized by: the battery strings have a first end and a second end in their extension direction, the first end is equipped with first end welding, the second end is equipped with the second end welding, the length that the first end welding extends beyond cell piece edge is the first preset length a, the length that the second end welding extends beyond cell piece edge is the second preset length b, the first end welding with the first busbar for being connected with terminal box to interconnect, defining the terminal box to be located at size of the part of side of first busbar equipped with cell piece on battery strings extending direction is c, wherein c≤a and a > b.The utility model solves terminal box to the occlusion issue of back side illuminaton light, promotes the efficiency of two-sided photovoltaic module.
Description
Technical field
The utility model relates to field of photovoltaic power generation more particularly to a kind of photovoltaic modulies.
Background technique
Two-sided photovoltaic module because its it is two-sided can light power generation due to favor by industry.In existing photovoltaic module
In, terminal box is generally fixed in the surface of component backboard and is located at photovoltaic module and is placed in the region of cell piece, thus
Terminal box to the light for being irradiated to cell piece surface from module backside cause it is certain block, and then affect two-sided photovoltaic group
The efficiency of part.
Utility model content
The purpose of this utility model is to provide a kind of photovoltaic modulies, to promote the efficiency of two-sided photovoltaic module.
To realize that above-mentioned purpose of utility model, the technical solution that the utility model embodiment is taken are as follows:
A kind of photovoltaic module, including several parallel arrangeds and spaced battery strings, the battery strings include n battery
Piece and adjacent two cell piece pass through welding and connect, it is characterised in that: the battery strings have in their extension direction first end and
Second end, the first end are equipped with first end welding, and the second end is equipped with the second end welding, the first end welding
The length for extending beyond cell piece edge is the first preset length a, and the second end welding extends beyond cell piece edge
Length is the second preset length b, and the first end welding defines institute to interconnect with the first busbar for being connected with terminal box
Stating terminal box to be located at size of the part of side of first busbar equipped with cell piece on battery strings extending direction is c,
Wherein c≤a and a > b.
2≤a/b≤5 as a further improvement of the utility model,.
20mm < a < 30mm as a further improvement of the utility model, 6mm <b < 10mm.
The photovoltaic module includes several parallel arrangeds and spaced as a further improvement of the utility model,
A kind of battery strings and the second class battery strings, the end welding of the first kind battery strings positive terminal extend beyond cell piece edge
Length is a, the end welding of the first kind battery strings negative pole end extend beyond cell piece edge length be b, described second
The length that the end welding of class battery strings positive terminal extends beyond cell piece edge is b, the second class battery strings negative pole end
The length that end welding extends beyond cell piece edge is a, the positive terminal of the first kind battery strings and the second class battery
The negative pole end of string is in the same end.
The back side of the photovoltaic module includes extending along battery strings orientation as a further improvement of the utility model,
And first area in long strip, the first area are located at the first end of the battery strings, the terminal box is adhered to described
On first area.
The beneficial effect of the utility model embodiment includes: to reserve the different first kind of welding length by producing head and the tail
Battery strings and the second class battery strings, are placed with outside the region of cell piece to realize terminal box being arranged to photovoltaic module, solution
Terminal box of having determined promotes the efficiency of two-sided photovoltaic module to the occlusion issue of back side illuminaton light.
Detailed description of the invention
Fig. 1 is the partial structure diagram of the utility model photovoltaic module；
Fig. 2 is schematic diagram when photovoltaic module shown in Fig. 1 is connected with terminal box；
Fig. 3 is the schematic diagram of first kind battery strings in the utility model photovoltaic module；
Fig. 4 is the schematic diagram of the second class battery strings in the utility model photovoltaic module；
Fig. 5 is the enlarged diagram in Fig. 2 at C；
Fig. 6 is the enlarged diagram in Fig. 2 at D；
Fig. 7 is the enlarged diagram in Fig. 2 at E；
Fig. 8 is the structural schematic diagram of another embodiment of the utility model photovoltaic module；
Fig. 9 is the enlarged diagram in Fig. 8 at F；
Figure 10 is the schematic diagram of the first embodiment of the manufacturing method of battery strings in the utility model photovoltaic module；
Figure 11 is the enlarged diagram in Figure 10 at G；
Figure 12 is the schematic diagram of the second embodiment of the manufacturing method of battery strings in the utility model photovoltaic module.
Specific embodiment
The utility model is described in detail below with reference to embodiment shown in the drawings.But the embodiment is not
Limit the utility model, structure that those skilled in the art are made according to the embodiment, method or functionally
Transformation is all contained in the protection scope of the utility model.
It please refers to shown in Fig. 1 to Fig. 7, the utility model provides a kind of photovoltaic module 100 comprising several parallel arrangeds
And spaced battery strings 10, each battery strings 10 include n cell piece 11, and adjacent two cell piece 11 passes through welding
12 connections.In the embodiment that the utility model is shown, each battery strings 10 have 10 cell pieces, in other embodiments
In, it can also be the other quantities such as 12.
The battery strings 10 have a first end and a second end in their extension direction, and the first end is welded equipped with first end
Band 121, the second end are equipped with the second end welding 122, and the first end welding 121 extends beyond 11 edge of cell piece
Length is the first preset length a, and the length that the second end welding 122 extends beyond 11 edge of cell piece is the second default length
B is spent, the first end welding 121 with the first busbar 13 for being connected with terminal box 14 to interconnect.
It please join shown in Fig. 1 to Fig. 2 and Fig. 7, in the present embodiment, the terminal box 14 is placed in 100 row of photovoltaic module
It is furnished with outside the region of cell piece 11, specifically, the back side of the photovoltaic module 100 includes extending along 10 orientation of battery strings
And first area 15 in long strip, the first area 15 are located at the first end of the battery strings 10, the terminal box 14 is viscous
It is connected on the first area 15.
In the present embodiment, first busbar 13 is its inside, separate battery close to the side of the battery strings 10
The side of string 10 is its outside, defines the terminal box 14 and is located at first busbar, 13 inside (namely equipped with cell piece
Side) size of the part on 10 extending direction of battery strings be c, wherein c≤a and a > b.Further, the first preset length a
Be a/b with the ratio of the second preset length b, wherein a/b be greater than or equal to 2 and be less than or equal to 5 namely ratio range be 2≤
a/b≤5。
In the preferred embodiment of the utility model, the value range of the first preset length a and the second preset length b are distinguished
Are as follows: 20mm < a < 30mm, 6mm <b < 10mm.
The photovoltaic module 100 includes several parallel arrangeds and spaced first kind battery strings A and the second class battery
String B, the first kind battery strings A and the second class battery strings B are arranged alternately.First kind battery strings A's and the second class battery strings B
Positive and negative electrode direction is and in series with each other between first kind battery strings A and the second class battery strings B in being reversed.
In the present embodiment, the end welding of the first kind battery strings A positive terminal extends beyond 11 edge of cell piece
Length is a, and the length that the end welding of the first kind battery strings A negative pole end extends beyond 11 edge of cell piece is b, described the
The length that the end welding of two class battery strings B positive terminals extends beyond 11 edge of cell piece is b, and the second class battery strings B is negative
The length that extreme end welding extends beyond 11 edge of cell piece is a, the positive terminal of the first kind battery strings A and described the
The negative pole end of two class battery strings B is in the same end.
It please join shown in Fig. 8 and Fig. 9, be another embodiment of the utility model photovoltaic module, the base with previous embodiment
This structure is identical, and difference is: in the present embodiment, the terminal box 24 of the photovoltaic module is located at the interposition of photovoltaic module
It sets, at this point, the first busbar 23 is located at the middle position of upper and lower two battery strings groups and upper and lower two battery strings groups is connected,
Namely the two sides of first busbar 23 are equipped with cell piece, the terminal box 24 is located at the part of 23 two sides of the first busbar
Size on battery strings extending direction is c.
The manufacturing method of battery strings includes: in the photovoltaic module of the utility model
According to the spacing d between adjacent cell piece 11 in preset battery strings 10, grab cell piece 11 with the spacing d into
Row arranges and is respectively attached adjacent two cell piece 11 by welding 12, to obtain the battery strings comprising n cell piece 11,
Both ends on 10 extending direction of battery strings are respectively equipped with end welding；
The end welding at 10 both ends of battery strings is cut respectively, so that the end at 10 both ends of the battery strings is welded
The length that band extends beyond 11 edge of cell piece is respectively the first preset length a and the second preset length b；Length is the end of a
Welding defines the terminal box and is located in first busbar 13 to interconnect with the first busbar 13 for being connected with terminal box
Size of the part of side on 10 extending direction of battery strings is c, wherein c≤a and a > b.
Wherein 2≤a/b≤5,20mm < a < 30mm, 6mm <b < 10mm.
Wherein the battery strings 10 include first kind battery strings A and the second class battery strings B, and the first kind battery strings A is just
The length that extreme end welding extends beyond 11 edge of cell piece is a, the end welding of the first kind battery strings A negative pole end
The length for extending beyond 11 edge of cell piece is b, and the end welding of the second class battery strings B positive terminal extends beyond cell piece
The length at 11 edges is b, and the length that the end welding of the second class battery strings B negative pole end extends beyond 11 edge of cell piece is
a。
Further, please join shown in Figure 10 and Figure 11, in the first embodiment of the utility model, the crawl cell piece
11 arrange with the spacing d and are respectively attached adjacent two cell piece 11 by welding 12 and include:
According to the string spacing between the spacing d and adjacent cell string between adjacent cell piece 11 in preset battery strings 10
L is grabbed cell piece and is arranged with spacing d and string spacing L, and respectively connected adjacent two cell piece 11 by welding 12
It connects, forms the string sequence comprising several end to end battery strings 10, wherein L=2a；
It is described respectively the end welding at 10 both ends of battery strings cut include:
Circulation execution is preset to cut combination of actions, to weld to the connection between two battery strings 10 adjacent in the string sequence
Band 123 is cut, and first kind battery strings A and the second class battery strings B are obtained；The connection welding belt 123 is on end welding 12
Part between adjacent two battery strings 10, and the connection welding belt has the head and tail portion being oppositely arranged, the head
It is connected with one of them in adjacent two battery strings 10, tail portion is connected with another in adjacent two battery strings 10.
The combination of actions that cuts includes:
The midpoint of connection welding belt 123 between+1 battery strings of k-th of battery strings 10 and kth 10 is cut；
Away from the connection welding belt head on connection welding belt 123 between+2 battery strings of+1 battery strings of kth 10 and kth 10
It is cut at b；
Away from the connection welding belt tail portion on connection welding belt 123 between+2 battery strings of+1 battery strings of kth 10 and kth 10
It is cut at b.
It please join shown in Figure 12, be the second embodiment of the manufacturing method of battery strings 10 in the utility model photovoltaic module 100,
In this embodiment, the crawl cell piece 11 arrange and by welding 12 respectively by adjacent two battery with the spacing d
Piece 11, which is attached, includes:
According to the string between the spacing d and adjacent cell string 10 between adjacent cell piece 11 in preset battery strings 10
Spacing L1 and L2 are grabbed cell piece 11 and are arranged with spacing d, string spacing L1 and L2, and by welding 12 respectively by adjacent two
Cell piece 11 is attached, and forms the string sequence comprising first kind battery strings A and the second class battery strings B；Wherein, the first kind
String spacing between battery strings A and adjacent previous second class battery strings B is L1, the first kind battery strings A and adjacent
Spacing of going here and there between the latter the second class battery strings B is L2, wherein L1=2a, L2=2b；
It is described respectively the end welding at 10 both ends of battery strings cut include:
The midpoint of connection welding belt 123 is cut between adjacent two battery strings 10 in the string sequence.
The utility model, which passes through, produces the reserved welding length of head and the tail different first kind battery strings A and the second class battery strings
B is placed with outside the region of cell piece to realize terminal box being arranged to photovoltaic module, solves terminal box to back side illuminaton
The occlusion issue of light promotes the efficiency of two-sided photovoltaic module.
It should be appreciated that although this specification is described in terms of embodiments, but not each embodiment only includes one
A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say
As a whole, the technical solution in each embodiment may also be suitably combined to form those skilled in the art can for bright book
With the other embodiments of understanding.
Tool of the series of detailed descriptions listed above only for the feasible embodiment of the utility model
Body explanation, they are all without departing from made by the utility model skill spirit not to limit the protection scope of the utility model
Equivalent implementations or change should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of photovoltaic module, including several parallel arrangeds and spaced battery strings, the battery strings include n cell piece
And adjacent two cell piece passes through welding and connects, it is characterised in that: the battery strings have first end and the in their extension direction
Two ends, the first end are equipped with first end welding, and the second end is equipped with the second end welding, and the first end welding prolongs
Stretching the length beyond cell piece edge is the first preset length a, and the second end welding extends beyond the length at cell piece edge
Degree is the second preset length b, and the first end welding with the first busbar for being connected with terminal box to interconnect, described in definition
It is c that terminal box, which is located at size of the part of side of first busbar equipped with cell piece on battery strings extending direction,
Middle c≤a and a > b.
2. photovoltaic module according to claim 1, it is characterised in that: 2≤a/b≤5.
3. photovoltaic module according to claim 2, it is characterised in that: 20mm < a < 30mm, 6mm <b < 10mm.
4. photovoltaic module according to claim 1, it is characterised in that: the photovoltaic module include several parallel arrangeds and
Every the first kind battery strings and the second class battery strings of setting, the end welding of the first kind battery strings positive terminal extends beyond electricity
The length at pond piece edge is a, and the length that the end welding of the first kind battery strings negative pole end extends beyond cell piece edge is
B, the length that the end welding of the second class battery strings positive terminal extends beyond cell piece edge is b, the second class battery
String negative pole end end welding extend beyond cell piece edge length be a, the positive terminal of the first kind battery strings with it is described
The negative pole end of second class battery strings is in the same end.
5. photovoltaic module according to claim 1, it is characterised in that: the back side of the photovoltaic module includes arranging along battery strings
Column direction extends and first area in long strip, the first area are located at the first end of the battery strings, the terminal box
It is adhered on the first area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820954664.5U CN208240703U (en) | 2018-06-20 | 2018-06-20 | Photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820954664.5U CN208240703U (en) | 2018-06-20 | 2018-06-20 | Photovoltaic module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208240703U true CN208240703U (en) | 2018-12-14 |
Family
ID=64574383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820954664.5U Active CN208240703U (en) | 2018-06-20 | 2018-06-20 | Photovoltaic module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208240703U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108649089A (en) * | 2018-06-20 | 2018-10-12 | 苏州阿特斯阳光电力科技有限公司 | The manufacturing method of photovoltaic module and its interior battery strings |
-
2018
- 2018-06-20 CN CN201820954664.5U patent/CN208240703U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108649089A (en) * | 2018-06-20 | 2018-10-12 | 苏州阿特斯阳光电力科技有限公司 | The manufacturing method of photovoltaic module and its interior battery strings |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 199, deer mountain road, Suzhou high tech Zone, Jiangsu Province Patentee after: CSI Cells Co.,Ltd. Patentee after: Changshu Artes Sunshine Power Technology Co.,Ltd. Patentee after: Atlas sunshine Power Group Co.,Ltd. Address before: No. 199, deer mountain road, Suzhou high tech Zone, Jiangsu Province Patentee before: CSI Cells Co.,Ltd. Patentee before: Changshu Artes Sunshine Power Technology Co.,Ltd. Patentee before: CSI SOLAR POWER GROUP Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |