CN206727092U - A kind of solar cell module - Google Patents
A kind of solar cell module Download PDFInfo
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- CN206727092U CN206727092U CN201720616695.5U CN201720616695U CN206727092U CN 206727092 U CN206727092 U CN 206727092U CN 201720616695 U CN201720616695 U CN 201720616695U CN 206727092 U CN206727092 U CN 206727092U
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- battery strings
- battery
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- polarity
- solar 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
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Abstract
The utility model discloses a kind of solar cell module, battery unit including one or more series coupleds or parallel coupled, the battery unit includes the battery strings series of one or more series coupleds, the battery strings series includes one or more battery strings by busbar series coupled, and the battery strings include multiple cell pieces by interconnecting strip series coupled；Wherein, the polarity for the adjacent cell piece that two of which is connected by interconnecting strip is identical in the battery strings, and/or, when the battery strings series includes multiple battery strings, connected between two of which or two or more adjacent cell string by busbar, and the polarity of two cell pieces of the junction is identical.The utility model is when solar components are vertically installed, if run into 100% area of the monolithic battery during horizontal shadow occlusion is often gone here and there, component power exports the output that will have half, therefore the utility model can reduce solar cell module electrical losses, improves battery component hot spot power loss.
Description
Technical field
The utility model belongs to technical field of solar, and in particular to a kind of solar cell module.
Background technology
Solar irradiation forms the new electronics pair of hole one, in the presence of p-n junction electric field, hole on semiconductor p-n junctions
P areas are flowed to by n areas, electronics flows to n areas by p areas, and electric current is just formed after connecting circuit.Here it is photoelectric effect solar cell
Operation principle.
Solar power generation has two ways, and one kind is light-heat-electric conversion regime, and another kind is that light-electricity is directly changed
Mode, wherein light-electricity directly conversion regime which are to utilize photoelectric effect, and solar radiant energy is directly changed into outer
Portion is encapsulated and the internal minimum indivisible solar battery group for connecting, direct current electricity output being provided separately is attached together and put, and is cried too
It is positive can battery component, i.e., turn into component after multiple monomer solar cell interconnection packages.
Single solar cell is often because output voltage is too low, and output current is improper, crystal silicon solar energy battery sheet
Body is again more crisp, it is impossible to independently resists extraneous mal-condition, thus needs monomer solar battery sheet to enter in actual use
Row series and parallel, and encapsulated, outer even electric wire is picked out, turns into the solar battery group that independently can be used as photo-voltaic power supply
Part (also referred to as photovoltaic module).The luminous energy of the sun is directly changed the electricity needed for user by solar cell module by absorbing sunlight
Can output, photovoltaic power output is typically from several watts to hundreds of watts of zero point.
Cell piece used in existing conventional solar cell module is complete 156*156mm batteries, solar cell
Have multiple solar cell strings in component, solar cell string by multiple complete 156*156mm cell pieces by interconnecting strip according to
Secondary series connection is (referring to Fig. 1), while each battery strings are in series (referring to Fig. 2) by busbar again, each of which string
Cell piece interconnection direction in solar cell string is consistent, i.e., cell piece polarity is positive and negative, just ... successively in battery strings
It is negative, positive, negative or negative, positive, negative ... positive and negative, just etc..Existing this connected mode not only caused by interconnecting strip electricity loss compared with
Greatly, at the same solar cell module run into vertical installation horizontal shadow occlusion often go here and there monolithic battery piece 100% area when,
Electric current, the voltage of battery monomer are changed, and the power output of solar cell module will be greatly reduced, almost nil.
The content of the invention
In order to solve the above problems, the utility model provides a kind of solar cell module, reduces solar battery group
Part electrical losses, improve solar cell module hot spot power loss.
The technical solution of the utility model is：A kind of solar cell module, including one or more series coupleds or simultaneously
Join the battery unit of coupling, the battery unit includes the battery strings series of one or more series coupleds, the battery strings system
Row include one or more battery strings by busbar series coupled, and the battery strings are connected coupling including multiple by interconnecting strip
The cell piece of conjunction；
Wherein, the polarity for the adjacent cell piece that two of which is connected by interconnecting strip is identical in the battery strings, and/or,
When the battery strings series includes multiple battery strings, pass through remittance between two of which or two or more adjacent cell string
Bar connection is flowed, and the polarity of two cell pieces of the junction is identical.
The multiple electricity of specification identical for cutting into complete solar battery sheet by slice process in the utility model
Pond piece, such as specification are 156*78mm, then splice to obtain battery strings by interconnecting strip by multiple cell pieces, then by multiple batteries
String splices to obtain battery strings series by busbar.
It is by changing the interconnection direction of cell piece in battery strings in the utility model, i.e., two of which in battery strings is adjacent
The polarity of cell piece be consistent so that cell piece polarity is negative, positive, negative, positive ... positive and negative, positive and negative successively in battery strings
It is or positive and negative, positive and negative ... negative, positive, negative, positive.
The utility model can also take another technical scheme, and the interconnection direction of cell piece in battery strings is kept into one
Causing, i.e., cell piece polarity is successively positive and negative, just ... negative, positive, negative or negative, positive, negative ... positive and negative, just etc. in battery strings,
And making the opposite interconnection direction of two string battery strings holding and by being spliced on busbar by rotating battery strings, combination obtains
Battery strings series.
The utility model, which changes interconnection direction, can allow two battery strings after connection busbar to be parallel relationship,
Half synthesis is cut to reduce electrical losses by parallel and cell piece.
Battery strings include multiple cell pieces, preferably, n-th of cell piece and (n+1)th battery in the battery strings
The polarity interconnected between piece is identical, wherein 1 ＜ n≤12.
As further preferred, the n is 10 or 12.
A range of big spacing is kept between this two panels cell piece that interconnection direction changes, and between other cell pieces
Away from remaining in that and spacing of a size in the prior art, for the ease of welding, preferably, n-th of cell piece with
The distance between (n+1)th cell piece is 10~30mm.
For the ease of being welded to two battery strings, preferably, battery strings series includes multiple battery strings, its
Integrated bus bar is welded with the cell piece at middle one or more battery string both ends, two or two wherein in battery strings series
It is connected between above adjacent cell string by busbar with integrated bus bar, and the polarity of two cell pieces of the junction
It is identical.The interconnection direction of cell piece in battery strings is consistent in the utility model, i.e., in battery strings cell piece polarity according to
Secondary is positive and negative, just ... negative, positive, negative or negative, positive, negative ... positive and negative, just etc., and makes two string batteries by rotating battery strings
String keeps opposite interconnection direction and by being spliced on integrated bus bar, and combination obtains battery strings series.
Preferably, the distance between two polarity identical cell pieces of junction described in the battery strings series are
10~30mm.
Battery unit can have one or more in the utility model, preferably, the battery unit is two or two
More than individual, and two or more battery units in parallel couple.Cause that battery unit is unaffected each other after parallel connection.
As further preferred, the battery unit includes two or more battery strings series, passes through busbar
Two or more battery strings series is connected, the junction of the busbar is located at the correspondence of polarity identical adjacent cell piece
Opening position.Parallel coupled between battery unit in the utility model, and it is by busbar that battery strings or battery strings are serial
The position that upper interconnecting strip interconnection direction changes is attached, and after being connected via busbar, battery strings series originally separates
Into two parts, the i.e. part of busbar both sides, the two parts are each other into parallel and while the busbar with being connected
It is in parallel.
Compared with prior art, the beneficial effects of the utility model are embodied in：
The utility model slice process cuts into complete solar battery sheet the cell piece of multiple same size sizes,
And simultaneously using Parallel Design between two battery strings groups, make the voltage and current of output not only with existing conventional solar cell
Component is essentially identical, but also makes the electric current reduction by each cell piece, so that the string resistance of component reduces, the power of component
Output lifting, when solar components are vertically installed, if running into 100% area of the monolithic battery during horizontal shadow occlusion is often gone here and there
When, component power exports the output that will have half, therefore the utility model reduces solar cell module electrical losses, improves
Solar cell module hot spot power loss.
Brief description of the drawings
Fig. 1 is the attachment structure schematic diagram of battery strings in the prior art.
Fig. 2 is the circuit connection diagram of solar components in the prior art.
Fig. 3 is the attachment structure schematic diagram of the battery strings in the utility model embodiment 1.
Fig. 4 is the attachment structure schematic diagram of the battery strings in the utility model embodiment 2.
Fig. 5 is the attachment structure schematic diagram of the battery strings in the utility model embodiment 3.
Fig. 6 is the attachment structure schematic diagram of the battery strings in the utility model embodiment 4.
Embodiment
Embodiment 1
As shown in figure 3, the present embodiment includes the battery unit of one or more series coupleds or parallel coupled (in figure not
Draw), the battery strings that battery unit includes one or more series coupleds are serial (being not drawn into figure), and battery strings series includes one
Individual or multiple battery strings 1 by busbar series coupled, battery strings 1 include multiple batteries by the series coupled of interconnecting strip 2
Piece 11；Wherein, the polarity for the adjacent cell piece 11 that two of which is connected by interconnecting strip 2 is identical in battery strings 1.
The multiple electricity of specification identical for cutting into complete solar battery sheet by slice process in the utility model
Pond piece 11, such as specification are 156*78mm, multiple cell pieces 11 then are obtained into battery strings 1 by the splicing of interconnecting strip 2, then will be more
Individual battery strings 1 obtain battery strings series by the splicing of busbar 2.By changing cell piece 11 in battery strings 1 in the utility model
Interconnection direction, i.e., the polarity of the adjacent cell piece 11 of two of which in battery strings 1 is consistent so that electric in battery strings 1
The polarity of pond piece 11 is negative, positive, negative, positive ... positive and negative, positive and negative or positive and negative, positive and negative ... negative, positive, negative, positive successively.
Embodiment 2
As shown in figure 4, the present embodiment and the difference of embodiment 1 are, battery strings series 4 includes multiple battery strings 1, wherein
Connected between two or more adjacent cell strings 1 by busbar 3, and the polarity of two cell pieces 11 of the junction
It is identical, and the interconnection direction of cell piece 11 is consistent in battery strings 1, i.e., in battery strings 1 polarity of cell piece 11 be successively just,
It is negative, positive ... negative, positive, negative or negative, positive, negative ... positive and negative, just etc., and protect two string battery strings 1 by rotating battery strings 1
Hold opposite interconnection direction and by being spliced on busbar 3, combination obtains battery strings series 4.Battery in the utility model
The polarity interconnected in string 1 between n-th of cell piece and (n+1)th cell piece is identical, wherein 1≤n≤, preferably n is 10 or 12,
N is 10 in the present embodiment.And kept between this two panels cell piece 11 for changing of interconnection direction it is a range of it is big between
Away from, general distance is arranged between 10~30mm, and the spacing of other cell pieces 11 remain in that with the prior art as size
Spacing.
Embodiment 3
As shown in figure 5, the present embodiment and the difference of embodiment 2 are, the battery at wherein one or more both ends of battery strings 1
The integrated bus bar being connected with the interconnecting strip 2 on the cell piece at both ends 11 is welded with piece 11, wherein in battery strings series
Connected between two or more adjacent cell strings by integrated bus bar, and two cell pieces 11 of the junction
Polarity is identical.
Embodiment 4
As shown in Fig. 4~Fig. 6, the present embodiment and the difference of embodiment 2 and embodiment 3 are, battery unit 5 be two or
Two or more, and the parallel coupled of two or more battery units 5, and battery unit 5 include two or two with
On battery strings series, by busbar 3 by two or more battery strings series connect, the junction position of the busbar 3
In the corresponding position of polarity identical adjacent cell piece 11.Parallel coupled between battery unit 5 in the present embodiment, and pass through
Battery strings 1 or the upper interconnecting strip 2 of battery strings series are interconnected the position that direction changes and are attached by busbar 3, via remittance
Flow after bar 3 connects, original battery strings series is separated into a parts and b parts of two parts, i.e. busbar both sides, a parts and
B parts are each other into parallel and simultaneously also in parallel with the busbar 3 being connected.
Embodiment 1~4 can also be combined in the utility model, be not limited to the mode described in embodiment 1~4.
Claims (8)
- A kind of 1. solar cell module, it is characterised in that the battery list including one or more series coupleds or parallel coupled Member, the battery unit include the battery strings series of one or more series coupleds, and the battery strings series includes one or more The individual battery strings by busbar series coupled, the battery strings include multiple cell pieces by interconnecting strip series coupled；Wherein, the polarity for the adjacent cell piece that two of which is connected by interconnecting strip is identical in the battery strings, and/or,When the battery strings series includes multiple battery strings, pass through busbar between two of which or two or more adjacent cell string Connection, and the polarity of two cell pieces of the junction is identical.
- 2. solar cell module as claimed in claim 1, it is characterised in that n-th of cell piece and n-th in the battery strings The polarity interconnected between+1 cell piece is identical, wherein 1 ＜ n≤12.
- 3. solar cell module as claimed in claim 2, it is characterised in that n-th of cell piece and (n+1)th battery The distance between piece is 10 ~ 30mm.
- 4. solar cell module as claimed in claim 3, it is characterised in that the n is 10 or 12.
- 5. solar cell module as claimed in claim 1, it is characterised in that the battery strings series includes multiple batteries Go here and there, integrated bus bar is welded with the cell piece at wherein one or more battery strings both ends, wherein two in battery strings series Or be connected between two or more adjacent cell string by busbar with integrated bus bar, and two cell pieces of the junction Polarity it is identical.
- 6. the solar cell module as described in claim 1 or 5, it is characterised in that connected described in the battery strings series The distance between two polarity identical cell pieces at place are 10 ~ 30mm.
- 7. solar cell module as claimed in claim 6, it is characterised in that the battery unit be two or two with On, and two or more battery units in parallel couple.
- 8. solar cell module as claimed in claim 7, it is characterised in that the battery unit include two or two with On battery strings series, by busbar by two or more battery strings series connect, the junction of the busbar is located at The corresponding position of polarity identical adjacent cell piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720616695.5U CN206727092U (en) | 2017-05-27 | 2017-05-27 | A kind of solar cell module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720616695.5U CN206727092U (en) | 2017-05-27 | 2017-05-27 | A kind of solar cell module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206727092U true CN206727092U (en) | 2017-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720616695.5U Active CN206727092U (en) | 2017-05-27 | 2017-05-27 | A kind of solar cell module |
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| CN (1) | CN206727092U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106960889A (en) * | 2017-05-27 | 2017-07-18 | 常州天合光能有限公司 | A kind of solar cell module |
| CN111640812A (en) * | 2017-12-30 | 2020-09-08 | 苏州阿特斯阳光电力科技有限公司 | Photovoltaic module |
-
2017
- 2017-05-27 CN CN201720616695.5U patent/CN206727092U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106960889A (en) * | 2017-05-27 | 2017-07-18 | 常州天合光能有限公司 | A kind of solar cell module |
| CN111640812A (en) * | 2017-12-30 | 2020-09-08 | 苏州阿特斯阳光电力科技有限公司 | Photovoltaic module |
| CN111640812B (en) * | 2017-12-30 | 2023-02-28 | 苏州阿特斯阳光电力科技有限公司 | Photovoltaic module |
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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: Solar photovoltaic industry park Tianhe Road 213031 north of Jiangsu Province, Changzhou City, No. 2 Patentee after: TRINA SOLAR Co.,Ltd. Address before: Solar photovoltaic industry park Tianhe Road 213031 north of Jiangsu Province, Changzhou City, No. 2 Patentee before: trina solar Ltd. Address after: Solar photovoltaic industry park Tianhe Road 213031 north of Jiangsu Province, Changzhou City, No. 2 Patentee after: trina solar Ltd. Address before: Solar photovoltaic industry park Tianhe Road 213031 north of Jiangsu Province, Changzhou City, No. 2 Patentee before: CHANGZHOU TRINA SOLAR ENERGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201225 Address after: No. 801, Longqi Road, Suxi Town, Yiwu City, Jinhua City, Zhejiang Province (self declaration) Patentee after: Trina Solar Energy (Yiwu) Technology Co.,Ltd. Address before: 213031 Tianhe PV Industrial Park No. 2, Xinbei District, Changzhou, Jiangsu Patentee before: TRINA SOLAR Co.,Ltd. |
|
| TR01 | Transfer of patent right |