CN208240693U - Solar battery sheet and photovoltaic module - Google Patents
Solar battery sheet and photovoltaic module Download PDFInfo
- Publication number
- CN208240693U CN208240693U CN201820816890.7U CN201820816890U CN208240693U CN 208240693 U CN208240693 U CN 208240693U CN 201820816890 U CN201820816890 U CN 201820816890U CN 208240693 U CN208240693 U CN 208240693U
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- China
- Prior art keywords
- main grid
- grid
- back side
- accommodation groove
- positive face
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000004308 accommodation Effects 0.000 claims abstract description 67
- 239000003292 glue Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 4
- 238000004513 sizing Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
-
- 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
Abstract
The utility model provides a kind of solar battery sheet and photovoltaic module, the cell piece includes several battery units, the front of the battery unit is equipped with front main grid and is connected to the secondary grid in front of the front main grid, the back side of the battery unit is equipped with back side main grid, and the front main grid is extended in a first direction with back side main grid.The front main grid includes being parallel to each other and spaced first positive face main grid and the second positive face main grid, is formed with the first accommodation groove between the first positive face main grid and the second positive face main grid；The back side main grid includes being parallel to each other and the sub- main grid in spaced first back side and the sub- main grid in second back side, is formed with the second accommodation groove between the sub- main grid in first back side and the sub- main grid in second back side.Front main grid, the design of back side main grid structure of the utility model solar battery sheet are more reasonable, reduce usage of sizing agent, while reducing the performance requirement of required conducting resinl in photovoltaic module procedure for producing, reduce cost.
Description
Technical field
The utility model relates to technical field of solar cell manufacturing more particularly to a kind of solar battery sheet and photovoltaic groups
Part.
Background technique
Adjacent cell sector-meeting overlaps in imbrication component, and connects bunchiness by dedicated conducting resinl.It compares
In conventional photovoltaic component, imbrication component can make full use of the light-receiving area between cell piece, the photovoltaic module of identical dimensions
More cell pieces can be placed, and it reduces line loss and power loss, have both high efficiency and low-loss spy without welding
Point.
In existing imbrication component manufacturing processes, the front main grid of cell piece and the back side main grid of adjacent cell piece pass through conduction
Gluing knot and the electric connection for realizing the two.Adhesion strength and electric conductivity of the above-mentioned connection type to gate electrode line and conducting resinl
Be required to it is higher so that corresponding imbrication component cost of material is high.Therefore, the composition to afore-mentioned conductive glue had both been needed in the industry
It is adjusted improvement, also needs to optimize the gate electrode line of cell piece, to reduce production cost, improves imbrication component
Performance.
Utility model content
The purpose of this utility model is to provide a kind of solar battery sheet and photovoltaic modulies, improve the grid line knot of cell piece
Structure reduces cost, and enhances the adhesion strength in photovoltaic module between adjacent cell.
To realize above-mentioned purpose of utility model, the utility model provides a kind of solar battery sheet, if including dry cell
Unit, the front of the battery unit are equipped with front main grid and are connected to the secondary grid in front of the front main grid, the battery list
The back side of member is equipped with back side main grid, and the front main grid is extended in a first direction with back side main grid, the front main grid and back
Face main grid is arranged in a staggered manner in a second direction perpendicular to the first direction.The front main grid includes being parallel to each other and being spaced setting
The first positive face main grid and the second positive face main grid, be formed between the first positive face main grid and the second positive face main grid
First accommodation groove；The back side main grid includes being parallel to each other and the sub- main grid in spaced first back side and the second back side sub- master
Grid are formed with the second accommodation groove between the sub- main grid in first back side and the sub- main grid in second back side.
As a further improvement of the utility model, the front main grid further include the connection first positive face main grid with
Second positive face main grid and the thin grid of interconnection being located in first accommodation groove, the thin grid of interconnection prolong along the second direction
It stretches.
The front main grid, which is formed with, as a further improvement of the utility model, is intervally arranged along the first direction
Several first accommodation grooves, the front main grid further include being extended along the first direction in adjacent first accommodating
The positive face main grid of third between slot.
The grid line width for defining the positive face main grid of the third as a further improvement of the utility model, is a, defines institute
The grid line width for stating the first positive face main grid is b, and the grid line width for defining the second positive face main grid is c, defines described first and holds
The width for setting slot is d, wherein a < b+c+d.
The back side main grid is formed with as a further improvement of the utility model, is intervally arranged along the first direction
Several second accommodation grooves, first accommodation groove are mutually right along the setting position of the first direction with the second accommodation groove
It answers.
First accommodation groove is consistent with the shape of the second accommodation groove as a further improvement of the utility model,.
The utility model also provides a kind of photovoltaic module, including several battery tandems, each battery tandem include it is several according to
Secondary concatenated battery unit, the front of the battery unit are equipped with front main grid and are connected to the front pair of the front main grid
The back side of grid, the battery unit is equipped with back side main grid, and the front main grid is extended in a first direction with back side main grid, described
Front main grid is arranged in a staggered manner in a second direction perpendicular to the first direction with back side main grid；Several battery units are described in
Second direction head and the tail successively folded array, the front main grid of the battery unit and another battery being stacked on the battery unit
The back side main grid of unit is mutually bonded in one and is electrically conducted by conducting resinl.The front main grid include be parallel to each other and
Every the first positive face main grid and the second positive face main grid of setting, between the first positive face main grid and the second positive face main grid
It is formed with the first accommodation groove；The back side main grid includes being parallel to each other and the sub- main grid in spaced first back side and second back side
Sub- main grid is formed with the second accommodation groove between the sub- main grid in first back side and the sub- main grid in second back side.
The front main grid, which is formed with, as a further improvement of the utility model, is intervally arranged along the first direction
Several first accommodation grooves, the front main grid further include being extended along the first direction in adjacent first accommodating
The positive face main grid of third between slot.
The grid line width for defining the positive face main grid of the third as a further improvement of the utility model, is a, defines institute
The grid line width for stating the first positive face main grid is b, and the grid line width for defining the second positive face main grid is c, defines described first and holds
The width for setting slot is d, wherein a < b+c+d.
The back side main grid is formed with as a further improvement of the utility model, is intervally arranged along the first direction
Several second accommodation grooves, first accommodation groove is consistent with the shape of the second accommodation groove, and first accommodation groove with
Second accommodation groove is corresponded to each other along the setting position of the first direction.
The beneficial effects of the utility model are: the solar battery sheet passes through the front main grid in each battery unit, back
The first accommodation groove and the second accommodation groove are respectively set on the main grid of face, so that grid line structure design is more reasonable, reduces cost；Using
During above-mentioned battery unit manufacture photovoltaic module, the adhesion strength of the front main grid, back side main grid and conducting resinl more may be used
It leans on, and the electric connection performance between battery unit can be improved.
Detailed description of the invention
Fig. 1 is the positive structure schematic of the utility model cell piece；
Fig. 2 is the structure schematic diagram of cell piece in Fig. 1；
Fig. 3 is the enlarged structure schematic diagram of a-quadrant in Fig. 1；
Fig. 4 is the positive structure schematic of another embodiment of the utility model cell piece；
Fig. 5 is the structure schematic diagram of cell piece in Fig. 4；
Fig. 6 is the enlarged structure schematic diagram of B area in Fig. 4.
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.
Join shown in Fig. 1 to Fig. 3, solar battery sheet 100 provided by the utility model includes several battery units 10, several
The battery unit 10 successively arranged adjacent.The front of the battery unit 10 is equipped with front main grid 1 and is connected to the front
The secondary grid 2 in the front of main grid 1；The back side of the battery unit 10 is equipped with back side main grid 3.
Herein, the number of the battery unit 10 is set as 2~8, and the battery unit 10 is in rectangle, the battery list
Member 10 has the both side edges that left and right is opposite and extends in a first direction.The front main grid 1 is with back side main grid 3 along first direction
Extend, and the front main grid 1 and back side main grid 3 are respectively adjacent to the both side edges setting of the battery unit 10.Actual production
Each battery unit 10 of the cell piece 100, need to be carried out cutting separation by Cheng Zhong, then by the back side main grid of the battery unit 10
3 are stacked in the front main grid 1 of another battery unit 10, and by conductive gluing knot, to obtain to prepare corresponding photovoltaic group
The battery tandem of part.
The front main grid 1 includes being parallel to each other and the first positive face main grid 11 being set in distance and the second positive face master
Grid 12 form the first accommodation groove to fill conducting resinl between the first positive face main grid 11 and the second positive face main grid 12
13；The back side main grid 3 includes the sub- main grid 32 of the sub- main grid 31 in first back side and second back side for being parallel to each other and being set in distance,
The second accommodation groove 33 to fill conducting resinl is formed between the sub- main grid 31 in first back side and the sub- main grid 32 in second back side.By
This, the groove structure that the front main grid 1,3 surface of back side main grid are formed is conducive to the bond strength for enhancing it with conducting resinl；And
The increase of the conducting resinl and the front main grid 1, the contact area of back side main grid 3 also improves the front main grid 1 and back
The adhesion strength and electric connection performance of face main grid 3.
Surface current of the secondary grid 2 in front to collect the battery unit 10, the secondary grid 2 in front include first secondary
Grid 21 and the second secondary grid 22.Described first secondary grid 21 extend along the second direction perpendicular to first direction and the first secondary grid 21
It is connected to the front main grid 1；Described second secondary grid 22 connect at least two secondary grid 21 of adjacent described first, with more effectively
Collected current, and the described second secondary grid 22 are parallel to each other with the front main grid 1.
The first positive face main grid 11 and the second positive face main grid 12 are to realize preferably to be electrically connected, and guarantee that electric current passes
For the stabilization led with uniformly, the front main grid 1 further includes the connection first positive face main grid 11 and the second positive face main grid 12
And it is located at the thin grid 14 of several interconnections in first accommodation groove 13.The thin grid 14 of interconnection are along perpendicular to the first direction
Second direction extends, and several thin grid 14 of interconnection are uniformly arranged in first accommodation groove 13 along first direction.Wherein,
The grid line height of the thin grid 14 of interconnection is less than the grid line height of the described first positive face main grid 11 and the second positive face main grid 12,
The thin grid 14 of interconnection correspond to the described first secondary grid 21 and are arranged.
First accommodation groove 13 is consistent with the shape of the second accommodation groove 33 and the position of the two corresponds to each other.The battery
When unit 10 is stacked with, the receiving for accommodating the conducting resinl is collectively formed in first accommodation groove 13 and the second accommodation groove 33
Chamber more effectively improves the bond strength between front main grid 1 and back side main grid 3 and is electrically connected performance.The front main grid 1
First accommodation groove 13 extended along the first direction strip is formed, the back side main grid 3 forms one along described first
Second accommodation groove 33 that direction strip extends.Certainly, first accommodation groove 13 is also settable with the second accommodation groove 33 is in
Closed, i.e., so that end, first back side of the end of the first positive face main grid 11 and the second positive face main grid 12
The end of sub- main grid 31 and the end of the sub- main grid 32 in second back side are connected with each other.
Referring to fig. 4 to fig. 6, in another embodiment of the utility model, if 100 ' of the cell piece includes dry cell
There is 1 ' of front main grid and front pair grid 2 ', 1 ' of front main grid to be formed with edge for 10 ' of unit, 10 front ' of battery unit
Several first accommodation groove, 13 ' that the first direction is intervally arranged, 1 ' of front main grid include being located at the first accommodation groove
Positive 12 ' of face main grid of positive face main grid 11 ' and second of the first of 13 two sides '.It is equipped in first accommodation groove, 13 ' along described the
Evenly arranged thin 14 ' of grid of interconnection in one direction, 1 ' of front main grid further includes being extended along the first direction in adjacent
Positive 15 ' of face main grid of third between first accommodation groove, 13 '.Define the grid line width of positive 15 ' of face main grid of the third
For a, the grid line width for defining first positive 11 ' of face main grid is b, and the grid line for defining second positive 12 ' of face main grid is wide
Degree is c, and the width for defining 13 ' of the first accommodation groove is d, then: a < b+c+d.Herein, 13 ' of the first accommodation groove is preferably set
It sets in closed, the grid line width and the first positive 11 ' of face main grid, the second positive face main grid of positive 15 ' of face main grid of third
12 grid line width is suitable.Front pair 2 ' of grid equally includes 22 ' of the secondary grid of the first pair 21 ' of grid and second.
3 ' of back side main grid is formed with several second accommodation groove, 33 ' being intervally arranged along the first direction, institute
Stating 3 ' of back side main grid includes sub- 31 ' of main grid in first back side and sub- 32 ' of main grid in second back side positioned at 33 two sides ' of the second accommodation groove.
First accommodation groove, 13 ' is consistent with the size shape of 33 ' of the second accommodation groove, and 13 ' of the first accommodation groove and institute
33 ' of the second accommodation groove is stated to correspond to each other along the setting position of the first direction, when 10 ' of battery unit is stacked with, institute
State the of 13 ' of the first accommodation groove and another 10 ' of battery unit being stacked on 10 ' of the battery unit of 10 ' of battery unit
Two accommodation grooves, 33 ' is corresponded to two-by-two to form the accommodating chamber for accommodating the conducting resinl, using the photovoltaic module of 10 ' of battery unit
The dosage of conducting resinl can be reduced in processing procedure, reduce material cost.
The utility model also provides a kind of photovoltaic module (not shown), including several battery tandems, the battery tandem packet
Several foregoing battery units 10,10 ' and the conducting resinl being set between the adjacent battery unit 10,10 ' are included, it is several
The battery unit 10,10 ' and along the second direction head and the tail successively folded array perpendicular to the first direction, the battery list
Front main grid 1,1 ' and the back for being stacked on the battery unit 10, another battery unit 10 on 10 ', 10 ' of 10,10 ' of member
Face main grid 3,3 ' are mutually bonded in one and are electrically conducted by the conducting resinl.
In conclusion each battery unit 10, the front main grid 1 of 10 ', 1 ' in the solar battery sheet 100,100 '
And the structure design of back side main grid 3,3 ' are more reasonable, reduce grid line material cost；It is manufactured using above-mentioned battery unit 10,10 '
Corresponding photovoltaic module, between the front main grid 1,1 ' and back side main grid 3,3 ' and its adhesion strength between conducting resinl more
Height, and the electric connection between battery unit 10,10 ' is also more reliable.
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 (10)
1. the front of a kind of solar battery sheet, including several battery units, the battery unit is equipped with front main grid and connection
To the secondary grid in the front of the front main grid, the back side of the battery unit is equipped with back side main grid, the front main grid and back side master
Grid extend in a first direction, and the front main grid is staggered in a second direction perpendicular to the first direction with back side main grid and sets
It sets, it is characterised in that: the front main grid includes being parallel to each other and spaced first positive face main grid and the second positive face
Main grid is formed with the first accommodation groove between the first positive face main grid and the second positive face main grid；The back side main grid includes
It is parallel to each other and the sub- main grid in spaced first back side and the sub- main grid in second back side, the sub- main grid in first back side and the second back
The second accommodation groove is formed between face main grid.
2. solar battery sheet according to claim 1, it is characterised in that: the front main grid further includes connection described the
One positive face main grid and the second positive face main grid and the thin grid of interconnection being located in first accommodation groove, the thin grid of interconnection are along institute
State second direction extension.
3. solar battery sheet according to claim 1, it is characterised in that: the front main grid is formed with along described first
Several first accommodation grooves that direction is intervally arranged, the front main grid further includes being extended along the first direction in phase
The positive face main grid of third between adjacent first accommodation groove.
4. solar battery sheet according to claim 3, it is characterised in that: define the grid line of the positive face main grid of the third
Width is a, and the grid line width for defining the first positive face main grid is b, and the grid line width for defining the second positive face main grid is c,
The width for defining first accommodation groove is d, wherein a < b+c+d.
5. solar battery sheet according to claim 3, it is characterised in that: the back side main grid is formed with along described first
Several second accommodation grooves that direction is intervally arranged, first accommodation groove setting along the first direction with the second accommodation groove
Seated position corresponds to each other.
6. solar battery sheet according to claim 1 or 5, it is characterised in that: first accommodation groove and the second accommodating
The shape of slot is consistent.
7. a kind of photovoltaic module, including several battery tandems, each battery tandem includes several battery units being sequentially connected in series, institute
The front for stating battery unit is equipped with front main grid and is connected to the secondary grid in front of the front main grid, the back side of the battery unit
Equipped with back side main grid, the front main grid is extended in a first direction with back side main grid, and the front main grid and back side main grid exist
Perpendicular to being arranged in a staggered manner in the second direction of first direction；Several battery units are successively overlapped along the second direction head and the tail
The back side main grid of arrangement, the front main grid of the battery unit and another battery unit being stacked on the battery unit, which passes through, leads
Electric glue is mutually bonded in one and electrically conducting, it is characterised in that: the front main grid includes being parallel to each other and spaced
First positive face main grid and the second positive face main grid are formed between the first positive face main grid and the second positive face main grid
One accommodation groove；The back side main grid includes being parallel to each other and the sub- main grid in spaced first back side and the sub- main grid in second back side,
The second accommodation groove is formed between the sub- main grid in first back side and the sub- main grid in second back side.
8. photovoltaic module according to claim 7, it is characterised in that: the front main grid is formed with along the first direction
Several first accommodation grooves being intervally arranged, the front main grid further include being extended along the first direction in adjacent institute
State the positive face main grid of third between the first accommodation groove.
9. photovoltaic module according to claim 8, it is characterised in that: define the grid line width of the positive face main grid of the third
For a, the grid line width for defining the first positive face main grid is b, and the grid line width for defining the second positive face main grid is c, definition
The width of first accommodation groove is d, wherein a < b+c+d.
10. photovoltaic module according to claim 8, it is characterised in that: the back side main grid is formed with along the first party
To several second accommodation grooves being intervally arranged, first accommodation groove is consistent with the shape of the second accommodation groove and described
First accommodation groove is corresponded to each other with the second accommodation groove along the setting position of the first direction.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820816890.7U CN208240693U (en) | 2018-05-30 | 2018-05-30 | Solar battery sheet and photovoltaic module |
| CA3044596A CA3044596A1 (en) | 2018-05-30 | 2019-05-29 | Solar cell and solar cell module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820816890.7U CN208240693U (en) | 2018-05-30 | 2018-05-30 | Solar battery sheet and photovoltaic module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208240693U true CN208240693U (en) | 2018-12-14 |
Family
ID=64576175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820816890.7U Active CN208240693U (en) | 2018-05-30 | 2018-05-30 | Solar battery sheet and photovoltaic module |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN208240693U (en) |
| CA (1) | CA3044596A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021013275A3 (en) * | 2020-01-23 | 2021-03-11 | 成都晔凡科技有限公司 | Shingled assembly, solar cell pieces, and manufacturing method for shingled assembly |
-
2018
- 2018-05-30 CN CN201820816890.7U patent/CN208240693U/en active Active
-
2019
- 2019-05-29 CA CA3044596A patent/CA3044596A1/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021013275A3 (en) * | 2020-01-23 | 2021-03-11 | 成都晔凡科技有限公司 | Shingled assembly, solar cell pieces, and manufacturing method for shingled assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CA3044596A1 (en) | 2019-11-30 |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
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. |