CN202231045U - Solar battery component - Google Patents
Solar battery component Download PDFInfo
- Publication number
- CN202231045U CN202231045U CN 201120394670 CN201120394670U CN202231045U CN 202231045 U CN202231045 U CN 202231045U CN 201120394670 CN201120394670 CN 201120394670 CN 201120394670 U CN201120394670 U CN 201120394670U CN 202231045 U CN202231045 U CN 202231045U
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- battery
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- solar module
- battery sheet
- adhesive film
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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 provides a solar battery component which comprises a plurality of columns of battery strings connected in series, a plurality of interconnected strips connected with the battery strings, and bus-bars respectively led out of both the head battery string and the tail battery string, wherein, each battery string is composed of a plurality of concatenated mother cells and concatenated strips connected in series with the mother cells; each mother cell comprises at least two sub cells which are the same in size and mutually connected; each sub cell takes the shape of a rectangle with a long edge and a short edge; the concatenated strips are in tandem connection with the long edge of each of the cells and are parallel to the short edge; and the bus-bars are only respectively arranged on the head and tail battery strings of the battery strings. Compared with the prior art, in the utility model, the small-sized cells replace the standard cells and a novel wire arranging manner is adopted, so the solar battery component has the advantages that the special application requiring lower current value can be met, and complicated wire layout due to the adoption of the by-pass diode is avoided.
Description
Technical field
The utility model relates to field of solar thermal power generation, relates in particular to the solar module that utilizes the photovoltaic effect generating.
Background technology
Solar energy is compared with traditional fossil fuel as a kind of emerging energy, has the advantage of each side such as inexhaustible, clean environment firendly.At present to utilize mode be through solar module the luminous energy that receives to be converted into electric energy output to main a kind of solar energy, and it can be by encapsulating and arrange by square formation the area battery assembly that forms after plurality of solar cells (or claiming photovoltaic cell) series connection.Wherein, solar cell absorbs luminous energy, and the accumulation of heterocharge appears in the battery two ends; Promptly produce " photovoltage ", Here it is " photovoltaic effect ", under the effect of photovoltaic effect; The two ends of solar cell produce electromotive force, thereby transform light energy is become electric energy.
In practical application, form solar cell system with solar module usually, as shown in Figure 1.A complete solar module mainly comprises solar battery sheet 100 ', terminal box 101 ' and external functional module etc., and external functional module can be the device that is used for realizing current conversion, like inverter.
Existing solar module is to utilize silicon chip to manufacture the battery sheet mostly, then some battery sheets is assembled into cell panel again, no matter be monocrystalline silicon or polysilicon, the monolithic battery sheet all has two kinds of standard size: 125x125mm, 156x156mm.For the 125x125mm size, monolithic voltage is 0.5V, and power is generally got maximum 2.5 watts at 2-2.5W, and then cell panel electric current maximum is output as 5A.For the 156x156mm size, monolithic voltage is 0.5V, and power is generally got maximum 4W at 3-4W, and then the cell panel maximum output current is 8A.The current/voltage account form of each cell panel is: the series voltage addition, and electric current is constant; Shunt voltage is constant, current summation.
Fig. 1 is the layout aspect graph of conventional specification battery sheet series connection and busbar; From Fig. 1, can know and find out; Each battery sheet 100 ' interconnects the back and forms a tandem; Two strings that interconnecting strip 102 ' through the lower end will be adjacent are again connected each other, the upper end then draw outside the battery strings by other busbar 103 ' with assembly back connection box in bypass diode 104 ' be connected.
Yet because there is special requirement some application scenario to electric current; When for example some occasions requires current value in series circuit must be lower than the current value that the standard cell sheet can provide; Standard cell sheet commonly used will not meet application demand; Because the size of current value and the surface area of battery sheet are proportional; Need the littler battery sheet of size could satisfy the demand of low current value, according to this principle, the utility model provides a kind of solar module of the battery sheet serial connection after utilizing the cutting means to cut to solve the problems referred to above.
The utility model content
The utility model technical problem to be solved provides a kind of solar module, and it has new battery sheet specification and winding displacement mode, can satisfy certain applications.
For solving the problems of the technologies described above; The utility model adopts following technical scheme: a kind of solar module; Comprise battery tandem, the some interconnecting strip that connect said battery tandem and the busbar of drawing from two battery tandems of initial and end respectively that some row are connected in series each other; Said each battery tandem comprises female battery sheet of some mutual serial connections and is connected in series the serial strip of said female battery sheet; Said female battery sheet comprises the sub-battery sheet of at least two measure-alike and mutual serial connections; And said sub-battery sheet is rectangular and be provided with a long limit and a minor face, and said serial strip laterally arranges from the long limit series connection access of every sub-battery sheet and with said minor face, only has two battery tandems of initial and end to be provided with said busbar in the said battery tandem.
Further, said sub-battery sheet is provided with front that absorbs irradiation and the back side that is provided with dorsad with respect to the front, and at least one is positioned at the said back side in said busbar and the interconnecting strip.
Further, said serial strip is provided with the kink that is fixed in said sub-battery edge and is bent to said sub-cell back face.
Further, be provided with insulating barrier between the back side of said bending part and said sub-battery sheet.
Further, said insulating barrier comprises that the EVA adhesive film that is affixed on sub-cell back face reaches the TPE layer between EVA adhesive film and kink.
Further; Said solar module also comprises the transparent glass that is covered in the positive EVA adhesive film of sub-battery sheet, is positioned at a said EVA adhesive film upper surface, be positioned at the 2nd EVA adhesive film of said sub-cell back face below and be positioned at the insulating back panel of second adhesive film below, and terminal interconnecting strip, the busbar of said kink and kink directly is attached at said TPE layer and all between said the 2nd EVA adhesive film and said TPE layer.
Further, said female battery sheet is made up of said two sub-battery sheets, is connected in series through said serial strip between said two sub-battery sheets.
Further, said solar module also comprises a terminal box, realizes being connected through said busbar between this terminal box and the said battery tandem, is provided with a temperature-sensitive sticker and data storage in the said terminal box.
Compared with prior art; The advantage of the utility model is to utilize the less sub-battery sheet of size to replace the standard cell sheet; And adopt new winding displacement mode, and can satisfy the certain applications that the reduced-current value is had requirement, avoided because of adopting bypass diode to make winding displacement layout complicated situation.
Description of drawings
Fig. 1 is the serial connection mode sketch map of solar module in the prior art;
Fig. 2 is the serial connection mode sketch map of the described solar module of the utility model;
Fig. 3 is the cross-sectional view of the described solar module of the utility model.
Embodiment
Below will combine each execution mode shown in the drawings that the utility model is described in detail.But these execution modes do not limit the utility model, and the conversion on the structure that those of ordinary skill in the art makes according to these execution modes, method or the function all is included in the protection range of the utility model.
The utility model provides a kind of solar module 100; It is provided with the battery sheet of accepting irradiation positive and with positive back to the back side 104; The terminal box 40 that this solar module comprises the battery tandem 10 that some row are connected in series each other, the interconnecting strip 20 that connects battery tandem 10 and busbar 30, is connected with said battery tandem 10 through said busbar 30; Said some battery tandems 10 are arranged in square formation, and the square formation edge is fenced up by frame.Said battery tandem 10 comprises some female battery sheets 11 and with the serial strip 12 of female battery sheet 11 serial connections, said busbar from two battery tandems of initial and end draw and with insert in the said terminal box 40.
According to current value and the proportional relation of battery sheet surface area; The utility model with foursquare standard cell sheet as said female battery sheet 11; The standard cell sheet is carried out the five equilibrium cutting; To obtain the littler sub-battery sheet 101 of some sizes, more sub-battery sheet 101 is connected in series, make the current value in the series circuit reduce greatly with this; Said sub-battery sheet 101 can be 1/3,1/2 or 1/4 of a standard cell sheet 11, below is that standard cell sheet 1/2 size (promptly to standard cell sheet halve cutting) is that example is elaborated with sub-battery sheet only.
With the standard cell sheet as female battery sheet 11; Because the standard cell sheet is a square, its specification is two kinds of 125x125mm, 156x156mm, after the cutting of halving; Said female battery sheet 11 comprises two measure-alike sub-battery sheets 101; Each sub-battery sheet 101 is rectangular and be provided with a long limit 102 and a minor face 103, and said serial strip 12 inserts and laterally arranges with said minor face from the long limit series connection of said sub-battery sheet 101, so with the said battery tandem 10 of sub-battery sheet 101 series connection back formation.Because silicon cell characteristic; The voltage of said every sub-battery sheet 101 is identical with the voltage of cutting father's former wife battery sheet 11; But the electric current of the every sub-battery sheet 101 of flowing through reduces because of reducing by half of surface area; Make the current value of entire cell tandem 10 be minimized, satisfy the demand of specific occasion low current with this.Simultaneously; Because sub-battery sheet forms for the cutting of standard cell sheet, therefore, for the standard cell sheet of some part breakage; Utilization cuts into sub-battery sheet can improve resource utilization; Avoid the damaged standard cell sheet of whole only part done and scrap processing, the material of saving has improved the utilance to material.
As shown in Figure 2; Said some battery tandems 10 are connected in series each other; And interconnect through interconnecting strip 20 between adjacent two battery tandems, wherein, have only two battery tandems of initial and end to be connected with terminal box 40 through busbar 30; Be series between other battery tandems and the said terminal box 40 in the middle of initial and end two row directly being connected, promptly other battery strings list bypass diode are not set.Said terminal box 40 only is connected with initial and end two row; And be provided with a temperature-sensitive sticker and data storage (not shown) in the terminal box 40; And be not provided with the bypass diode that shields, and avoid factor battery sheet 101 quantity to increase and set up the situation of bypass diode quantity, set up bypass diode institute trouble caused thereby removed from; Make the winding displacement layout quite convenient, also provide cost savings.
Because the utility model cuts into standard cell sheet 11 independently, is connected in series each other and two measure-alike sub-battery sheets 101; Make that sub-battery sheet 101 quantity in the series circuit are double; The total voltage at series circuit two ends is also double; But owing to have temperature-sensitive sticker and data storage in the terminal box 40; Transfer of data to the extraneous functional module of utilizing temperature-sensitive sticker and data storage to collect promptly can realize protecting the effect of battery sheet by external functional module through related data and calculating, and need not to utilize bypass diode to come its protective effect.
In addition; Because the standard cell sheet is cut into two; And need have certain clearance between two independently sub-battery sheets 101; Thus, the entire cell assembly that utilizes the battery sheet after cutting to be constituted will have bigger size than uncut standard cell assembly, under the situation of not changing frame; With making battery component edge be used to place the space of interconnecting strip and busbar to significantly reduce; Influence laying of interconnecting strip 20 and busbar 30, to this problem, the described solar module of the utility model moves to the back side 104 of battery sheet with the end bending of said serial strip 12 and with interconnecting strip or busbar; Please join shown in Figure 3ly, said solar module comprises the EVA adhesive film 200, the transparent glass 300 that is positioned at said EVA adhesive film upper surface that are covered in the positive top of battery sheet 101, be positioned at the 2nd EVA adhesive film 400 of 104 belows, said battery sheet 101 back sides and be positioned at the insulating back panel 500 of second adhesive film, 400 belows.Said serial strip 12 is provided with the kink 105 that is bent to the said back side 104 in the edge of battery sheet 101; Said interconnecting strip 20 and busbar 30 are positioned at the end of said kink 105; Simultaneously, in order to realize fixing better and insulation, prevent short circuit; Be provided with insulating barrier between the said kink 105 and the said back side 104; This insulating barrier comprises EVA (ethylene-vinyl acetate copolymer, ethane-acetic acid ethyenyl resin copolymer) adhesive film 106 and the layer of the TPE (Thermoplastic Elastomer, thermoplastic elastomer (TPE)) between EVA adhesive film and kink 105 107 that is affixed on the cell back face; Said kink 105 and kink 105 terminal interconnecting strip 20, busbars 30 directly are attached at said TPE layer 107, and all between said the 2nd EVA adhesive film 400 and said TPE layer 107.
In addition; Describing according to execution mode though should be appreciated that this specification, is not that each execution mode only comprises an independently technical scheme; This narrating mode of specification only is for clarity sake; Those skilled in the art should make specification as a whole, and the technical scheme among each embodiment also can form other execution modes that it will be appreciated by those skilled in the art that through appropriate combination.
Claims (8)
1. solar module; Comprise battery tandem, the some interconnecting strip that connect said battery tandem and the busbar of drawing from two battery tandems of initial and end respectively that some row are connected in series each other; Said each battery tandem comprises female battery sheet of some mutual serial connections and is connected in series the serial strip of said female battery sheet; It is characterized in that: said female battery sheet comprises the sub-battery sheet of at least two measure-alike and mutual serial connections; And said sub-battery sheet is rectangular and be provided with a long limit and a minor face; Said serial strip laterally arranges from the long limit series connection access of every sub-battery sheet and with said minor face, only has two battery tandems of initial and end to be provided with said busbar in the said battery tandem.
2. solar module according to claim 1 is characterized in that, said sub-battery sheet is provided with front that absorbs irradiation and the back side that is provided with dorsad with respect to the front, and at least one is positioned at the said back side in said busbar and the interconnecting strip.
3. solar module according to claim 2 is characterized in that, said serial strip is provided with the kink that is fixed in said sub-battery edge and is bent to said sub-cell back face.
4. solar module according to claim 3 is characterized in that, is provided with insulating barrier between the back side of said bending part and said sub-battery sheet.
5. solar module according to claim 4 is characterized in that, said insulating barrier comprises that the EVA adhesive film that is affixed on sub-cell back face reaches the TPE layer between EVA adhesive film and kink.
6. solar module according to claim 5; It is characterized in that; Said solar module also comprises the transparent glass that is covered in the positive EVA adhesive film of sub-battery sheet, is positioned at a said EVA adhesive film upper surface, be positioned at the 2nd EVA adhesive film of said sub-cell back face below and be positioned at the insulating back panel of second adhesive film below, and terminal interconnecting strip, the busbar of said kink and kink directly is attached at said TPE layer and all between said the 2nd EVA adhesive film and said TPE layer.
7. solar module according to claim 1 is characterized in that, said female battery sheet is made up of said two sub-battery sheets, is connected in series through said serial strip between said two sub-battery sheets.
8. solar module according to claim 5; It is characterized in that; Said solar module also comprises a terminal box, realizes being connected through said busbar between this terminal box and the said battery tandem, is provided with a temperature-sensitive sticker and data storage in the said terminal box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120394670 CN202231045U (en) | 2011-10-17 | 2011-10-17 | Solar battery component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120394670 CN202231045U (en) | 2011-10-17 | 2011-10-17 | Solar battery component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202231045U true CN202231045U (en) | 2012-05-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120394670 Expired - Lifetime CN202231045U (en) | 2011-10-17 | 2011-10-17 | Solar battery component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202231045U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102983196A (en) * | 2012-12-06 | 2013-03-20 | 乐叶光伏股份有限公司 | Solar cell module |
| CN104051559A (en) * | 2014-06-23 | 2014-09-17 | 山东力诺光伏高科技有限公司 | Photovoltaic module connection method |
| CN104835874A (en) * | 2014-09-05 | 2015-08-12 | 安阳高新区生产力促进中心 | Production method of half-cell photovoltaic assembly |
| CN105489684A (en) * | 2016-02-03 | 2016-04-13 | 江苏赛拉弗光伏***有限公司 | Solar photovoltaic assembly |
| CN106098803A (en) * | 2015-05-22 | 2016-11-09 | 苏州沃特维自动化***有限公司 | A kind of solar battery sheet unit preparation method and solar module |
| CN106784105A (en) * | 2017-02-13 | 2017-05-31 | 晶澳（扬州）太阳能科技有限公司 | A kind of high mechanical load solar cell module and preparation method thereof |
| CN107170841A (en) * | 2017-06-07 | 2017-09-15 | 苏州携创新能源科技有限公司 | Solar cell photovoltaic module and solar cell photovoltaic component |
| CN107870099A (en) * | 2017-11-07 | 2018-04-03 | 普德光伏技术（苏州）有限公司 | A kind of photovoltaic module EVA degree of cross linking sampling methods |
| CN108963023A (en) * | 2017-05-27 | 2018-12-07 | 常州亚玛顿股份有限公司 | A kind of double glass photovoltaic modulies and preparation method thereof |
| CN109980036A (en) * | 2017-12-27 | 2019-07-05 | 阿特斯阳光电力集团有限公司 | Photovoltaic module and its manufacturing method |
| CN115249753A (en) * | 2021-04-25 | 2022-10-28 | 环晟新能源(江苏)有限公司 | Circuit connection method of battery assembly |
-
2011
- 2011-10-17 CN CN 201120394670 patent/CN202231045U/en not_active Expired - Lifetime
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102983196A (en) * | 2012-12-06 | 2013-03-20 | 乐叶光伏股份有限公司 | Solar cell module |
| CN104051559A (en) * | 2014-06-23 | 2014-09-17 | 山东力诺光伏高科技有限公司 | Photovoltaic module connection method |
| CN104835874A (en) * | 2014-09-05 | 2015-08-12 | 安阳高新区生产力促进中心 | Production method of half-cell photovoltaic assembly |
| CN104835874B (en) * | 2014-09-05 | 2017-06-20 | 安阳高新区生产力促进中心 | A kind of manufacture method of half-cell piece photovoltaic module |
| CN106098803A (en) * | 2015-05-22 | 2016-11-09 | 苏州沃特维自动化***有限公司 | A kind of solar battery sheet unit preparation method and solar module |
| JP2018515934A (en) * | 2015-05-22 | 2018-06-14 | 蘇州沃特維自動化系統有限公司Ｓｕｚｈｏｕ Ａｕｔｏｗａｙ Ｓｙｓｔｅｍ Ｃｏ．， Ｌｔｄ． | Solar cell unit manufacturing method and solar cell module |
| CN105489684A (en) * | 2016-02-03 | 2016-04-13 | 江苏赛拉弗光伏***有限公司 | Solar photovoltaic assembly |
| CN106784105A (en) * | 2017-02-13 | 2017-05-31 | 晶澳（扬州）太阳能科技有限公司 | A kind of high mechanical load solar cell module and preparation method thereof |
| CN108963023A (en) * | 2017-05-27 | 2018-12-07 | 常州亚玛顿股份有限公司 | A kind of double glass photovoltaic modulies and preparation method thereof |
| CN108963023B (en) * | 2017-05-27 | 2024-05-17 | 常州亚玛顿股份有限公司 | Double-glass photovoltaic module and manufacturing method thereof |
| EP3637477A4 (en) * | 2017-06-07 | 2021-05-19 | Suzhou Coop & Inno Green Energy Technology Co., Ltd. | Solar cell photovoltaic module and solar cell photovoltaic array |
| CN107170841A (en) * | 2017-06-07 | 2017-09-15 | 苏州携创新能源科技有限公司 | Solar cell photovoltaic module and solar cell photovoltaic component |
| CN107870099A (en) * | 2017-11-07 | 2018-04-03 | 普德光伏技术（苏州）有限公司 | A kind of photovoltaic module EVA degree of cross linking sampling methods |
| CN107870099B (en) * | 2017-11-07 | 2020-12-18 | 普德光伏技术（苏州）有限公司 | Photovoltaic module EVA (ethylene-vinyl acetate copolymer) crosslinking degree sampling method |
| CN109980036A (en) * | 2017-12-27 | 2019-07-05 | 阿特斯阳光电力集团有限公司 | Photovoltaic module and its manufacturing method |
| CN115249753A (en) * | 2021-04-25 | 2022-10-28 | 环晟新能源(江苏)有限公司 | Circuit connection method of battery assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215000 Suzhou high tech Industrial Development Zone, Jiangsu Province, Lu Lu, No. 199, No. Co-patentee after: Changshu Canadian Solar Inc. Patentee after: Artes sunshine Power Group Co. Ltd. Address before: 215000 Suzhou high tech Industrial Development Zone, Jiangsu Province, Lu Lu, No. 199, No. Co-patentee before: Changshu Canadian Solar Inc. Patentee before: Canadian (China) Investment Co., Ltd. |
|
| CP03 | Change of name, title or address |
Address after: No. 199, deer mountain road, Suzhou high tech Zone, Jiangsu Province Patentee after: Atlas sunshine Power Group Co.,Ltd. Patentee after: Changshu Artes Sunshine Power Technology Co.,Ltd. Address before: 215000 No. 199 Lu Shan Road, Suzhou hi tech Industrial Development Zone, Suzhou, Jiangsu Patentee before: CSI SOLAR POWER GROUP Co.,Ltd. Patentee before: Changshu Artes Sunshine Power Technology Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120523 |
|
| CX01 | Expiry of patent term |