CN202977478U - Solar cell module - Google Patents
Solar cell module Download PDFInfo
- Publication number
- CN202977478U CN202977478U CN 201220664346 CN201220664346U CN202977478U CN 202977478 U CN202977478 U CN 202977478U CN 201220664346 CN201220664346 CN 201220664346 CN 201220664346 U CN201220664346 U CN 201220664346U CN 202977478 U CN202977478 U CN 202977478U
- Authority
- CN
- China
- Prior art keywords
- busbar
- coated
- battery strings
- bus bars
- copper strips
- 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.)
- Expired - Lifetime
Links
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000005855 radiation Effects 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 abstract description 3
- 239000000758 substrate Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 241001124569 Lycaenidae Species 0.000 abstract 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- 235000014987 copper Nutrition 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Photovoltaic Devices (AREA)
Abstract
A solar cell module comprises multiple strips of cell strings formed by connecting single cell sheets in series, and EVA, a backboard, an aluminum frame and a conjunction box, wherein the multiple cell strings, after series connection through bus bars, form a positive electrode and a negative electrode; and bypass diodes are arranged between cell strings; integrated bus bars are divided into a head-end bus bar and a tail-end bus bar, and are characterized in that the head-end bus bar composed of a substrate layer and tin-coated coppers trip sheets embedded in the substrate layer. The solar cell module is beneficial to standardized and regulated production of bus bars; during assembly, not any insulation measures need to be taken while aiming at the bus bars, and thus the solar cell module is time-saving, labor-saving, high in efficiency and reliable in quality; the bypass diodes are designed to be directly arranged on the bus bars, thereby facilitating heat radiation of the bypass diodes and reducing manufacturing cost of the conjunction box.
Description
Technical field
The utility model relates to a kind of solar module.
Background technology
Solar module is the core of solar power system, and its effect is to convert solar energy into electrical energy, or is sent to accumulators store, or promotes loaded work piece.Its structure is by some cell sheet series and parallels, and the parts such as terminal box, toughened glass, aluminum alloy frame consist of.Form a battery strings after the series connection of some cell sheets, many battery strings form the assembly battery after busbar connects, and the positive and negative polarities of the assembly battery binding post in the terminal box are drawn, thereby form a working cell of solar power generation power-supply system.On the make there are the following problems for existing solar module: 1, for satisfy between battery strings, insulating requirements between cell piece, need to carry out strict insulation isolation to busbar with materials such as TPT/PET, the efficient that not only wastes time and energy is low, and also has the hidden trouble of short circuit.2, busbar for being coated with the tin copper strips, needs before use to cut temporarily, stays burr as careless slightly cutting side, and the potential safety hazard that punctures backboard is just arranged.3, the bypass diode that plays the partition effect is placed in terminal box, because heat radiation need to cause the manufacturing cost of terminal box higher.
Summary of the invention
The problems referred to above that exist for overcoming prior art, the utility model aims to provide a kind of solar module of structure novel, that this assembly not only has advantages of is easy to make, wiring rationally, production efficiency is high, particularly can effectively stop the generation of assembly battery short circuit phenomenon, thereby lay a good foundation for the safe operation of solar power system.
For addressing the above problem, the utility model has adopted following technical scheme: the structure of this solar module, comprise some the battery strings that formed by the series connection of cell sheet, and frame, backboard and terminal box, described some battery strings form a positive pole and a negative pole after the busbar series connection, be provided with bypass diode between described battery strings, described busbar is divided into head end busbar and end busbar, it is characterized in that: described head end busbar is made of insulated base material layer and the tin copper strips sheet that is coated with that is embedded on this insulated base material layer.
During as preferred concrete enforcement, the width after the length of described head end busbar and described some battery strings are arranged is complementary.
During as preferred concrete enforcement, described bypass diode is arranged on described head end busbar.
During as preferred concrete enforcement, described end busbar is made of insulated base material layer and the tin copper strips sheet that is coated with that is embedded on this insulated base material layer.
During as preferred concrete enforcement, the described thickness that is coated with tin copper strips sheet is 0.2-0.35mm.
Beneficial effect: compared with prior art, the utility model with busbar make into insulated base material layer and be embedded on this insulated base material layer be coated with tin copper strips chip architecture after, have plurality of advantages.At first, can produce in batches in advance depending on normally used assembly battery strings situation, be conducive to standardization, standardization production and guarantee the busbar quality.Secondly, when package assembling, can directly the battery strings link be welded on being coated with on tin copper strips sheet of busbar, and not need to take any insulation measures, and the operation such as cut, not only time saving and energy saving efficient is high, and reliable in quality, short circuit phenomenon can not occur.At last, bypass diode directly is placed on busbar, is conducive to the heat radiation of bypass diode, because not considering the factors such as heat radiation, the volume of terminal box can dwindle greatly, thereby is conducive to reduce its manufacturing cost.
Also by reference to the accompanying drawings the utility model is further described below by embodiment.
Description of drawings
Fig. 1 is the structure schematic diagram of the solar module of an embodiment of the utility model.
Fig. 2 is the structure for amplifying schematic diagram of head end busbar in Fig. 1.
Fig. 3 is the structure for amplifying schematic diagram of end busbar in Fig. 1.
In figure: frame 1, backboard 2, end busbar 3, bypass diode 31 is coated with tin copper strips sheet 32, terminal box 4 between string, head end busbar 5, insulated base material layer 51 is coated with tin copper strips sheet 52, positive terminal 521, be coated with tin copper strips sheet 53, negative terminal 531 is coated with tin copper strips sheet 54 between string, be coated with tin copper strips sheet 55 between string, bypass diode 56.
Embodiment
Referring to Fig. 1.This figure is mainly used in illustrating the installation site of head end busbar 5 and end busbar 3, generally will be called near the busbar of terminal box 4 head end busbar 5, and superposed busbar is called end busbar 3.On function, end busbar 3 only is used for positive and negative connection between battery strings, and head end busbar 5 also directly is connected with outer lead except the both positive and negative polarity that is used for assembly connects.
Maximum innovation place of the present utility model is mainly to the architecture advances of head end busbar 5, will originally just be coated with the busbar of tin copper strips sheet that is:, has made to set on insulated base material layer 51 integrated bus bars that is coated with tin copper strips sheet into.Although improve simply, the effect of bringing is extremely obvious, for avoiding the short circuit between battery strings, cell piece, improves assembly reliability and can lay a good foundation.Certainly, after end busbar 3 was also done corresponding the improvement, effect was more obvious.
Referring to Fig. 2, the figure shows a kind of structure of the head end busbar 5 corresponding to six battery strings.At first, the length of this busbar 5 is consistent with the width after six battery strings arrangements.Be positioned at being respectively of two ends and be coated with tin copper strips sheet 52 and 53, as the cell piece positive pole of assembly and the brace of negative pole, it is L shaped accordingly that shape all is respectively for they, and adjacent in the middle of positive terminal 521 and negative terminal 531 are arranged on is as pinout connector.Be coated with tin copper strips sheet 54 and 55 between string and be used for the connection between both positive and negative polarity between string, insulated base material layer is resistant to elevated temperatures pcb board, is coated with tin copper strips sheet and insulating substrate becomes one by etching or printing with certain thickness.Three bypass diodes 56 are separately positioned between the string of battery strings, and when running into hot spot effect, bypass diode can automatically be crossed this string battery strings and be connected with other battery strings and work on.The main effect of bypass diode namely prevents burning of cell piece.
Busbar 5 structures of corresponding different battery strings quantity just are coated with tin copper strips sheet quantitatively different between string, for example as the assembly of six battery strings, have and be coated with tin copper strips sheet 54 and 55 between two strings; If as the assembly of four battery strings, be coated with tin copper strips sheet between string and only need one; And with respect to the assembly of eight battery strings, being coated with tin copper strips sheet between string has just had three.
Referring to Fig. 3.The structure of end busbar 3 is relatively simpler, and the assembly of corresponding six battery strings arranges and is coated with tin copper strips sheet 32 between three strings and gets final product, and 31 is insulated base material layer.
No matter be head end busbar 5, or end busbar 3 its length all should be consistent with the width after all battery strings arrangements, only in this way just can make battery strings directly be vertically welded in being coated with on tin copper strips sheet of busbar.The thickness that is coated with tin copper strips sheet is generally 0.2-0.35mm, is conducive to improve the photoelectric conversion efficiency of assembly.
Above-described embodiment only is used for mentality of designing of the present utility model is described, and should be as to restriction of the present utility model, and any simple distressed structure of having done under the design's thinking inspires all should be included protection range of the present utility model in.
Claims (5)
1. solar module, comprise some the battery strings that formed by the series connection of cell sheet, and frame (1), backboard (2) and terminal box (4), described some battery strings form a positive pole and a negative pole after the busbar series connection, be provided with bypass diode (56) between described battery strings, described busbar is divided into head end busbar (5) and end busbar (3), it is characterized in that: described head end busbar (5) is by insulated base material layer (51) and be embedded in and be coated with tin copper strips sheet (52 on this insulated base material layer (51), 53) consist of.
2. solar module as claimed in claim 1 is characterized in that: the length of described head end busbar (5) is consistent with the width after described many battery strings are arranged.
3. solar module as claimed in claim 1, it is characterized in that: described bypass diode (56) is arranged on described head end busbar (5).
4. solar module as claimed in claim 1 is characterized in that: described end busbar (3) is made of insulated base material layer (31) and the tin copper strips sheet (32) that is coated with that is embedded on this insulated base material layer (31).
5. solar module as described in claim 1 or 4, it is characterized in that: the described thickness that is coated with tin copper strips sheet (52,53,32) is 0.2-0.35mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220664346 CN202977478U (en) | 2012-12-06 | 2012-12-06 | Solar cell module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220664346 CN202977478U (en) | 2012-12-06 | 2012-12-06 | Solar cell module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202977478U true CN202977478U (en) | 2013-06-05 |
Family
ID=48518519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220664346 Expired - Lifetime CN202977478U (en) | 2012-12-06 | 2012-12-06 | Solar cell module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202977478U (en) |
Cited By (3)
| 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 |
| CN108538944A (en) * | 2018-03-09 | 2018-09-14 | 天合光能股份有限公司 | Photovoltaic conductive backboard and photovoltaic cell assembly |
| CN109244147A (en) * | 2018-08-07 | 2019-01-18 | 浙江正泰太阳能科技有限公司 | A kind of half component |
-
2012
- 2012-12-06 CN CN 201220664346 patent/CN202977478U/en not_active Expired - Lifetime
Cited By (4)
| 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 |
| CN108538944A (en) * | 2018-03-09 | 2018-09-14 | 天合光能股份有限公司 | Photovoltaic conductive backboard and photovoltaic cell assembly |
| CN108538944B (en) * | 2018-03-09 | 2024-01-30 | 天合光能股份有限公司 | Photovoltaic conductive backboard and photovoltaic cell assembly |
| CN109244147A (en) * | 2018-08-07 | 2019-01-18 | 浙江正泰太阳能科技有限公司 | A kind of half component |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG LEYE PHOTOVOLTAIC SCIENCE + TECHNOLOGY CO Free format text: FORMER NAME: LEYE PHOTOVOLTAIC CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 324022, No. 2, bailing Road, Donggang Industrial Development Zone, Quzhou Economic Development Zone, Zhejiang Patentee after: ZHEJIANG LERRI SOLAR TECHNOLOGY CO.,LTD. Address before: Braun road 324000 Zhejiang city of Quzhou province Donggang Development Zone No. 2 Patentee before: Years Solar Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 324022, No. 2, bailing Road, Donggang Industrial Development Zone, Quzhou Economic Development Zone, Zhejiang, Quzhou Patentee after: ZHEJIANG LONGJI LEYE PHOTOVOLTAIC TECHNOLOGY Co.,Ltd. Address before: 324022, No. 2, bailing Road, Donggang Industrial Development Zone, Quzhou Economic Development Zone, Zhejiang Patentee before: ZHEJIANG LERRI SOLAR TECHNOLOGY CO.,LTD. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130605 |