CN209266426U - Solar battery string and solar cell module - Google Patents
Solar battery string and solar cell module Download PDFInfo
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- CN209266426U CN209266426U CN201822062597.9U CN201822062597U CN209266426U CN 209266426 U CN209266426 U CN 209266426U CN 201822062597 U CN201822062597 U CN 201822062597U CN 209266426 U CN209266426 U CN 209266426U
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- solar battery
- conductive sheet
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- cell
- battery cell
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- 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
- Y02E10/52—PV systems with concentrators
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Abstract
It includes: multi-disc solar battery cell arranged in parallel that the utility model, which provides a kind of solar battery string and solar cell module, the solar battery string,；And it is separately connected the conductive sheet of two neighboring solar battery cell, conductive sheet is divided into the first side and second side in the direction of the width, wherein, the upper surface of the first side of conductive sheet connects the back electrode of one of described two adjacent solar battery cells and the lower surface of second side connects the main gate line of another solar battery cell.The solar battery string of the utility model embodiment, conductive sheet can reflect light to glass and go back to battery surface again, increase luminous intensity, increase generated energy, and due to not being stacked between adjacent cell piece, optimization conductive sheet and the shape of battery main gate line can be passed through, the light of battery unit is blocked in reduction, the utilization rate of solar battery cell is improved, the power loss of solar battery cell is reduced, to realize the high power of solar battery string.
Description
Technical field
The utility model relates to technical field of solar batteries, in particular to a kind of solar battery string and solar-electricity
Pond component.
Background technique
The high power technology of existing solar cell module, such as more main grids (MBB), half, imbrication, are all by changing
The string connection type in power transformation pond reduces current loss or light eclipsing loss, so that lifting assembly power, realizes high power.But
Though MBB, half have promotion, space is limited, is extremely difficult to 400W, and although imbrication component realizes 400W, imbrication component is logical
Conductive glue connection is crossed, needs to invest new equipment, higher cost, and the reliability of conductive glue connection is not also fully solved, imbrication group
Part cell piece light, which blocks, causes cell piece feed consumption excessively high.
Utility model content
In view of this, the present invention provides a kind of solar battery strings, by the connection for changing solar battery cell
Mode, reduction block the light of battery unit, improve the utilization rate of solar battery cell, reduce solar battery cell
Power loss, to realize the high power of solar battery string.
The utility model also provides a kind of solar cell module with above-mentioned solar battery string.
In order to solve the above technical problems, the utility model uses following technical scheme:
According to the solar battery string of the utility model first aspect embodiment, comprising:
Multi-disc solar battery cell arranged in parallel；And
It is separately connected the conductive sheet of two neighboring solar battery cell, the conductive sheet is divided in the direction of the width
For the first side and second side, wherein the upper surface of the first side of the conductive sheet connects two adjacent solar-electricities
The back electrode of one of pool unit and the lower surface of second side connect the main gate line of another solar battery cell.
Preferably, the length of the conductive sheet is less than or equal to the length of the solar battery cell.
Preferably, the solar battery cell is solar battery slice, and the main gate line is set to the solar-electricity
The marginal position and its extending direction of pond slice are identical as the extending direction of the conductive sheet.
It is further preferred that the conductive sheet shape is rectangle.
Preferably, the main gate line is set to the marginal position of the solar battery cell and its extending direction is led with described
The extending direction of electric sheet material is identical, and the width of second side of the conductive sheet is less than or equal to the width of the main gate line.
It is further preferred that the conductive sheet, which is formed as described second side, is provided with the band-like of multiple grooves, it is described
The side of main gate line being connected with described second side is formed with multiple grooves, the groove of the conductive sheet and the main gate line
Groove is corresponding.
Still further preferably, first side of the conductive sheet is also equipped with multiple grooves, the conductive sheet
Groove it is corresponding with the groove of the back electrode.
The solar battery cell is double-side cell piece.
Preferably, the conductive sheet is tin-coated copper material pieces, copper foil, aluminium foil, soft board or printed wiring board.
Preferably, the solar battery cell and the conductive sheet are welded to connect.
Preferably, the solar battery cell and the conductive sheet are welded to connect by tin cream.
Optionally, the solar battery cell and the conductive sheet are welded to connect by conducting resinl.
According to the solar cell module of the utility model second aspect embodiment, including described in multiple above-described embodiments
Solar battery string.
The above-mentioned technical proposal of the utility model one of at least has the advantages that:
1) according to the solar battery string of the utility model embodiment, by the way that every two adjacent battery unit is connected respectively
The upper and lower surface in conductive sheet is connect, and adjacent one end of two battery units is aligned in a longitudinal direction without being overlapped, and is mentioned
The light utilization efficiency for rising solar battery cell surface, realizes the high power of solar battery string, meanwhile, reduce cell piece
Waste of material；
2) compared with the conducting resinl Joining Technology in the same industry, the welding requirements compatibility of the utility model is high, can be used
Mature welding procedure, does not need to purchase new equipment, convenient for welding, has saved cost；
3) reliability of welding is improved.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the solar battery string of the utility model embodiment；
Fig. 2 is the front view of the solar battery string of the utility model embodiment；
Fig. 3 is the bottom view of the solar battery string of the utility model embodiment；
Fig. 4 is the side view of the solar battery string of the utility model embodiment；
Fig. 5 is the attachment structure schematic diagram of two adjacent solar battery cells of the utility model embodiment；
Fig. 6 is the structural schematic diagram of the conductive sheet of an embodiment of the present invention；
Fig. 7 is the structural schematic diagram of the conductive sheet of another embodiment of the utility model；
Fig. 8 is the structural schematic diagram of the conductive sheet of another embodiment of the utility model.
Appended drawing reference:
Solar battery string 100；
Solar battery cell 10；
Conductive sheet 20；First side 21；Second side 22；Groove 23；Protrusion 24.
Specific embodiment
The solar battery string 100 according to the utility model embodiment is specifically described in conjunction with attached drawing first below.
As shown in Figures 1 to 8, it is parallel to each other according to the solar battery string 100 of the utility model embodiment, including multi-disc
The solar battery cell 10 of setting, and it is separately connected the conductive sheet 20 of two neighboring solar battery cell 10, it is conductive
Sheet material 20 is divided into the first side 21 and second side 22 in the direction of the width, wherein the upper end of the first side 21 of conductive sheet 20 connects
The lower end of the back electrode and second side 22 that connect one of two adjacent solar battery cells 10 connects another solar battery
The main gate line of unit 10.
That is, solar battery string 100 includes multiple solar battery cells 10, multiple solar battery cells 10
It is arranged in parallel, and every two solar battery cell 10 is connected by conductive sheet 20, wherein conductive sheet 20 is in width
Direction is divided into two parts, respectively the first side 21 and second side 22, the upper end of the first side 21 and one of solar battery
Unit 10 connects, and the lower end of second side 22 is connected with another solar battery cell 10, in other words, every two solar energy
Battery unit 10 is connected in parallel at the upper and lower surfaces of conductive sheet 20, and the adjacent both ends portion of two solar battery cells 10
It is not overlapped, the connection type, avoids mutually blocking between two solar battery cells 10 as far as possible, and irradiate in light
When to the surface of conductive sheet, light can be reflexed to the surface of solar battery cell by conductive sheet, or reflex to carrying
The utensil of cell piece, on the surface that light is reflexed to battery unit by utensil, increases the intensity of light on glass, into
And the extinction amount on battery unit surface is improved, improve the output power of solar battery string 100.
As a result, according to the solar battery string 100 of the utility model embodiment, the light absorption of battery unit is increased, into
And the generated energy of solar battery cell 10 is increased, the utilization rate of solar battery cell is improved, solar-electricity is realized
The high power of pond string 100.
The length of one embodiment according to the present utility model, conductive sheet 20 is less than or equal to solar battery cell 10
Length, can to avoid the waste of material, while avoid extra material to solar battery cell 10 formation block, influence too
The collection of positive energy 10 pairs of light of battery unit.
One embodiment according to the present utility model, solar battery cell 10 are solar battery slice, wherein main grid
Line is set to the marginal position of solar battery cell 10 and its extending direction is identical as the extending direction of conductive sheet 20.It needs
Bright, solar battery cell 10 described herein is rectangular solar battery cell, can be by routine just
Rectangular solar battery is obtained by cutting, for example, the solar battery of 156mm × 156mm such as is subjected at point cutting, such as
Halve cutting, trisection cutting, quartering cutting, the cutting of five equal parts, the cutting of six equal parts etc..Correspondingly, after equal part cutting
The length-width ratio of solar battery cell 10 be about 2:1,3:1,4:1,5:1,6:1 etc., wherein preferably from about 5:1,6:1.
Further, conductive sheet 20 can be formed as rectangle.
Further, the width of second side of conductive sheet 20 is less than or equal to the width of main gate line.That is, lead
The outer edge of second side of electric sheet material 20 is located in main gate line, avoids the outer edge of second side beyond main gate line, and to solar energy
The surface of battery unit 10 causes to block, and conductive sheet 20 can reflect light to component glass surface, then is refracted to battery table
Face increases battery and absorbs luminous energy, promotes generated energy, further, conductive sheet may be configured as reflective solder strip, reflective pad pasting
Deng the bigger luminous reflectanc for promoting conductive sheet 20.
In addition, as shown in fig. 7, conductive sheet 20, which may be formed as second side, is provided with the band-like of multiple grooves 23, institute
The side being connected with described second side for stating main gate line is formed with multiple grooves 23, the groove 23 of the conductive sheet 20 with it is described
The groove of main gate line is corresponding, that is to say, that by the way that groove is arranged on conductive sheet 20 and main gate line, which can subtract
It is few that 10 light-receiving surface of solar battery cell is blocked；
It preferably, at this time can be excellent as shown in figure 8, when the first side of conductive sheet 20 and second side are all provided with fluted
The solar battery cell 10 of choosing be double-side cell piece, that is to say, that the two sides of conductive sheet 20 be all provided with it is reeded band-like, it is double
It is also provided with reeded band-like in the main gate line and back electrode of face cell piece, the groove of the two is overlapped setting, can effectively drop
The shading rate on low battery unit surface further increases the extinction area of solar cell surface.
In one embodiment of the utility model, conductive sheet 20 is tin-coated copper material pieces, copper foil, aluminium foil, soft board
(FPC, Flexible Printed Circuit), printed wiring board (PCB, Printed Circuit Board), solar-electricity
Pool unit 10 and conductive sheet 20 are welded to connect, the welding manner, it is desirable that lower, welding technique is relatively mature, and welding is more
Securely, compared with conducting resinl Joining Technology, the welding requirements compatibility of the utility model is high, does not need to purchase new equipment, save
Cost.
Preferably, solar battery cell 10 and conductive sheet 20 are welded to connect by tin cream.When welding, tin cream fusing
Afterwards, there is certain mobility, connection is realized in filling play movement, it is ensured that welding effect.
Optionally, solar battery cell 10 and conductive sheet 20 are welded to connect by conducting resinl.
It, can be by by the every two adjacent sun in short, according to the solar battery string 100 of the utility model embodiment
Energy battery unit 10 is not overlapped connection, enables conductive sheet that light is reflexed to solar battery cell surface or is reflected into
It is arranged on the glass of battery unit periphery and is reflected into battery surface again by glass, increase the light intensity of battery surface, increases
Generated energy is added, further, due to not being stacked between adjacent cell piece, optimization conductive sheet and battery main gate line can have been passed through
Shape, reduction the light of battery unit is blocked, improve the utilization rate of cell piece, reduce the power of solar battery cell
Loss, to realize the high power of solar battery string, and welding requirements compatibility is high, and mature welding procedure can be used, be not required to
New equipment is purchased, the reliability of welding is improved, has saved cost.
According to the solar cell module of the utility model second aspect embodiment, the sun including multiple above-described embodiments
Energy battery strings 100, due to being had above-mentioned technique effect according to the solar battery string 100 of the utility model above-described embodiment, because
This, also has corresponding technical effect according to the solar cell module of the utility model embodiment, that is, reduces cell piece
Light blocks, and improves the utilization rate of solar battery cell, and increases the light intensity of solar cell surface, realizes too
The high power of positive energy battery strings and component, improves the reliability of welding, has saved cost.
According to the other structures of the solar cell module of the utility model embodiment and operation for those skilled in the art
All it is to be understood that and easy to accomplish for member, therefore is not described in detail.
It is preferred embodiments of the present invention above, it is noted that for those skilled in the art
For, without departing from the principle of this utility model, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as the protection scope of the utility model.
Claims (11)
1. a kind of solar battery string characterized by comprising
Multi-disc solar battery cell arranged in parallel；And
It is separately connected the conductive sheet of two neighboring solar battery cell, the conductive sheet is divided into the direction of the width
Side and second side, wherein the upper surface of the first side of the conductive sheet connects two adjacent solar battery lists
The back electrode of one of member and the lower surface of second side connect the main gate line of another solar battery cell.
2. solar battery string according to claim 1, which is characterized in that the length of the conductive sheet is less than or equal to
The length of the solar battery cell.
3. solar battery string according to claim 1, which is characterized in that the solar battery cell is solar-electricity
Pond slice, the main gate line are set to the marginal position of solar battery slice and its extending direction and the conductive sheet
Extending direction is identical.
4. solar battery string according to claim 3, which is characterized in that the shape of the conductive sheet is rectangle.
5. solar battery string according to claim 3, which is characterized in that the width of second side of the conductive sheet is small
In or equal to the main gate line width.
6. solar battery string according to claim 3, which is characterized in that the conductive sheet is formed as described second side
It is provided with the band-like of multiple grooves, the side of the main gate line being connected with described second side is formed with multiple grooves, described to lead
The groove of electric sheet material is corresponding with the groove of the main gate line.
7. solar battery string according to claim 6, which is characterized in that first side of the conductive sheet is also set
Multiple grooves are equipped with, the groove of the conductive sheet is corresponding with the groove of the back electrode.
8. solar battery string according to claim 7, which is characterized in that the solar battery cell is double-side cell
Piece.
9. solar battery string according to claim 1, which is characterized in that the conductive sheet be tin-coated copper material pieces,
Copper foil, aluminium foil, soft board or printed wiring board.
10. solar battery string according to claim 9, which is characterized in that the solar battery cell is led with described
Electric sheet material is welded to connect.
11. a kind of solar cell module, which is characterized in that including multiple solar energy of any of claims 1-10
Battery strings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822062597.9U CN209266426U (en) | 2018-12-10 | 2018-12-10 | Solar battery string and solar cell module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822062597.9U CN209266426U (en) | 2018-12-10 | 2018-12-10 | Solar battery string and solar cell module |
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| Publication Number | Publication Date |
|---|---|
| CN209266426U true CN209266426U (en) | 2019-08-16 |
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ID=67562760
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822062597.9U Active CN209266426U (en) | 2018-12-10 | 2018-12-10 | Solar battery string and solar cell module |
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| Country | Link |
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| CN (1) | CN209266426U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109411559A (en) * | 2018-12-10 | 2019-03-01 | 上海晶澳太阳能科技有限公司 | Solar battery string and solar cell module |
| CN110556442A (en) * | 2019-09-10 | 2019-12-10 | 常州时创能源科技有限公司 | Main-grid-free crystalline silicon cell and application thereof |
-
2018
- 2018-12-10 CN CN201822062597.9U patent/CN209266426U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109411559A (en) * | 2018-12-10 | 2019-03-01 | 上海晶澳太阳能科技有限公司 | Solar battery string and solar cell module |
| CN110556442A (en) * | 2019-09-10 | 2019-12-10 | 常州时创能源科技有限公司 | Main-grid-free crystalline silicon cell and application thereof |
| CN110556442B (en) * | 2019-09-10 | 2021-09-24 | 常州时创能源股份有限公司 | Main-grid-free crystalline silicon cell and application thereof |
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