CN201655820U - Circuit overlap structure of photovoltaic assembly - Google Patents
Circuit overlap structure of photovoltaic assembly Download PDFInfo
- Publication number
- CN201655820U CN201655820U CN 201020166089 CN201020166089U CN201655820U CN 201655820 U CN201655820 U CN 201655820U CN 201020166089 CN201020166089 CN 201020166089 CN 201020166089 U CN201020166089 U CN 201020166089U CN 201655820 U CN201655820 U CN 201655820U
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- busbar
- battery sheet
- long
- photovoltaic module
- battery
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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 relates to a circuit overlap structure of a photovoltaic assembly, which is provided with a photovoltaic assembly frame and a photovoltaic assembly, wherein the photovoltaic assembly comprises six battery arrays and bus bars. The left end of the first long bus bar is in welded connection with a battery plate 1, and the right end thereof is in welded connection with a battery plate 3. The left end of the second long bus bar is in welded connection with a battery plate 4, and the right end thereof is in welded connection with a battery plate 6. The left end of the first short bus bar is in welded connection with a battery plate 2, and the right end thereof is used as the electrode leading-out end of the photovoltaic assembly. The left end of a second short bus bar is in welded connection with a battery plate 5, and the right end thereof is used as the electrode leading-out end of the photovoltaic assembly. In the utility model, the long bus bars are not easy to shift or close to the short bus bars and the battery plates in the lamination process of the photovoltaic assembly, and therefore, the assembly defect is not easy to cause and the yield of the assembly is improved.
Description
Technical field
The utility model relates to solar photovoltaic assembly circuit lamination field, especially a kind of circuit laminated construction of photovoltaic module.
Background technology
The circuit lamination of existing photovoltaic module generally carries out according to circuit connection diagram and laminated construction schematic diagram, the circuit connection diagram of solar photovoltaic assembly as shown in Figure 1, photovoltaic module is made up of 6 battery strings, each battery strings is connected in series by a plurality of battery sheets and forms, per two battery strings are connected mutually, reversal connection bypass diode between per two battery strings.Six battery strings first battery sheet separately is respectively battery sheet one, battery sheet two, battery sheet three, battery sheet four, battery sheet five and battery sheet six from left to right from the photovoltaic module back side.
The laminated construction schematic diagram of photovoltaic module as shown in Figure 2 Figure 2 shows that the schematic rear view of photovoltaic module, and the backplate of battery sheet is the positive pole of battery sheet, and the front electrode of battery sheet is the negative pole of battery sheet.Be used for the busbar that electrode draws and be divided into the first long busbar, the second long busbar, the first short busbar, the second short busbar.The front electrode of the left end of the first long busbar and battery sheet one is welded to connect, and the backplate of the right-hand member of the second long busbar and battery sheet six is welded to connect.
The left end of the first short busbar and the backplate of battery sheet two are welded to connect, and the front electrode of right-hand member and battery sheet three is welded to connect.The left end of the second short busbar and the backplate of battery sheet four are welded to connect, and the front electrode of right-hand member and battery sheet five is welded to connect.
Because the first long busbar only is welded to connect with the battery sheet one of high order end, the second long busbar only is welded to connect with the battery sheet six of low order end, and the first long busbar and the second long bus bar length are longer, in the lamination process of photovoltaic module, the first long busbar and the second long busbar are easy to generate displacement, the easily close battery sheet and the first short busbar and the second short busbar, thus cause that assembly is bad.And the first long busbar, the second long busbar and the first short busbar, the second short busbar are set up in parallel, and have increased the assembly area, have improved the manufacturing cost of assembly.
The utility model content
The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, a kind of circuit laminated construction of photovoltaic module is provided, in the component lamination process, wherein long busbar is difficult for displacement, and assembly is difficult for causing bad.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of circuit laminated construction of photovoltaic module, have the photovoltaic module framework and be installed in the interior photovoltaic module of photovoltaic module framework, described photovoltaic module has six battery strings and busbar, each battery strings is connected in series by a plurality of battery sheets and forms, and described six battery strings first battery sheet separately is respectively battery sheet one, battery sheet two, battery sheet three, battery sheet four, battery sheet five and battery sheet six from left to right from the photovoltaic module back side.
Described busbar is divided into long busbar and short busbar, and long busbar is divided into the first long busbar and the second long busbar, and described short busbar is divided into the first short busbar and the second short busbar;
The left end of the first long busbar and battery sheet one are welded to connect, and the right-hand member of the first long busbar and battery sheet three are welded to connect;
The left end of the second long busbar and battery sheet four are welded to connect, and the right-hand member of the second long busbar and battery sheet six are welded to connect;
The left end and the battery sheet two of the first short busbar are welded to connect, and the right-hand member of the first short busbar is as the electrode leads to client of photovoltaic module;
The left end and the battery sheet five of the second short busbar are welded to connect, and the right-hand member of the second short busbar is as the electrode leads to client of photovoltaic module.
Particularly, the backplate of the left end of the first long busbar and battery sheet one is welded to connect, and the front electrode of the right-hand member of the first long busbar and battery sheet three is welded to connect;
The backplate of the left end of the second long busbar and battery sheet four is welded to connect, and the front electrode of the right-hand member of the second long busbar and battery sheet six is welded to connect;
The left end of the first short busbar and the front electrode of battery sheet two are welded to connect, and the right-hand member of the first short busbar is as the negative pole exit of photovoltaic module;
The left end of the second short busbar and the backplate of battery sheet five are welded to connect, and the right-hand member of the second short busbar is as the anodal exit of photovoltaic module.
Reversal connection bypass diode between battery sheet five and the battery sheet six further, between described battery sheet one and the battery sheet two, between battery sheet three and the battery sheet four.
Further, described long busbar and short busbar are positioned at the back side of battery strings, not only improved the visual effect in assembly front, can also dwindle size of components, length can shorten 10~20mm, has reduced the cost of material, if size of components is constant, can increase the distance of component internal electrified body so, improve the long-term reliability of assembly to the glass edge edge.
Further, described long busbar is overlapping up and down with short busbar, and the centre separates with EVA and TPT, has increased the distance of the internally charged body of photovoltaic module to the glass edge edge, has improved the long-term reliability of assembly.
The beneficial effects of the utility model are: the left and right end of the of the present utility model first long busbar and the second long busbar is all fixed with the battery sheet, in the photovoltaic module lamination process, the first long busbar and the second long busbar are difficult for displacement, therefore long busbar is difficult near short busbar and battery sheet, be difficult for causing that assembly is bad, improved the qualification rate of assembly.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further specified.
Fig. 1 is the circuit connection diagram of prior art;
Fig. 2 is the laminated construction schematic diagram of prior art;
Fig. 3 is a circuit connection diagram of the present utility model;
Fig. 4 is a laminated construction schematic diagram of the present utility model;
Wherein: 1. the battery sheet one, and 2. the battery sheet two, and 3. the battery sheet three, and 4. the battery sheet four, and 5. the battery sheet five, and 6. the battery sheet six, 7. the first long busbar, the 8. second long busbar, the 9. first short busbar, the 10. second short busbar.
Embodiment
The circuit laminated construction of a kind of photovoltaic module as shown in Figure 4, Figure 4 shows that the schematic rear view of photovoltaic module, Figure 3 shows that circuit connection diagram of the present utility model, the circuit lamination of photovoltaic module of the present utility model promptly completes according to circuit connection diagram shown in Figure 3.
A kind of circuit laminated construction of photovoltaic module, as shown in Figure 4, have the photovoltaic module framework and be installed in the interior photovoltaic module of photovoltaic module framework, photovoltaic module has six battery strings and busbar, each battery strings is connected in series by 6~13 battery sheets and forms, the backplate of battery sheet is the positive pole of battery sheet, the front electrode of battery sheet is the negative pole of battery sheet, per two battery strings are connected mutually, and six battery strings first battery sheet separately is respectively battery sheet 1 from left to right from the photovoltaic module back side, battery sheet 22, battery sheet 33, battery sheet 44, battery sheet 55 and battery sheet 66.
Busbar is divided into long busbar and short busbar, and long busbar is divided into the first long busbar 7 and the second long busbar 8, and described short busbar is divided into the first short busbar 9 and the second short busbar 10;
The backplate of the left end of the first long busbar 7 and battery sheet 1 is welded to connect, and the front electrode of the right-hand member of the first long busbar 7 and battery sheet 33 is welded to connect;
The backplate of the left end of the second long busbar 8 and battery sheet 44 is welded to connect, and the front electrode of the right-hand member of the second long busbar 8 and battery sheet 66 is welded to connect;
The left end of the first short busbar 9 and the front electrode of battery sheet 22 are welded to connect, and the right-hand member of the first short busbar 9 is as the negative pole exit of photovoltaic module;
The left end of the second short busbar 10 and the backplate of battery sheet 55 are welded to connect, and the right-hand member of the second short busbar 10 is as the anodal exit of photovoltaic module;
The exit of the exit of the first long busbar 7 and the second long busbar 8 is between the interval of first short busbar 9 exits and second short busbar 10 exits;
Reversal connection bypass diode between battery sheet 1 and the battery sheet 22, between battery sheet 33 and the battery sheet 44, between battery sheet 55 and the battery sheet 66;
Long busbar and short busbar are positioned at the back side of battery strings.Long busbar is overlapping up and down with short busbar, and the centre separates with EVA and TPT.
Circuit connection diagram as shown in Figure 3; Comparing the both positive and negative polarity of comparatively having adjusted every string battery strings with prior art shown in Figure 1 puts in order; Being about to first row battery strings and secondary series battery strings exchanges in proper order; The 5th row battery strings and the 6th row battery strings are exchanged in proper order; Therefore the first long busbar 7 and the second long busbar 8 can be welded to connect respectively with two row battery strings; Secondary series battery strings after the adjustment and the 5th row battery strings are welded to connect with short busbar; And as the electrode leads to client of photovoltaic module
The utility model compared with prior art, on circuit design, put in order by the both positive and negative polarity of adjusting every string battery strings, the left and right end of the first long busbar 7 and the second long busbar 8 is all fixed with the battery sheet, therefore, in the photovoltaic module lamination process, the first long busbar 7 and the second long busbar 8 are difficult for displacement, therefore long busbar is difficult for being difficult for causing that near short busbar and battery sheet assembly is bad, has improved the qualification rate of assembly.
Claims (5)
1. the circuit laminated construction of a photovoltaic module, have the photovoltaic module framework and be installed in the interior photovoltaic module of photovoltaic module framework, described photovoltaic module has six battery strings and busbar, each battery strings is connected in series by a plurality of battery sheets and forms, and described six battery strings first battery sheet separately is respectively battery sheet one (1), battery sheet two (2), battery sheet three (3), battery sheet four (4), battery sheet five (5) and battery sheet six (6) from left to right from the photovoltaic module back side;
Described busbar is divided into long busbar and short busbar, and long busbar is divided into the first long busbar (7) and the second long busbar (8), and described short busbar is divided into the first short busbar (9) and the second short busbar (10),
It is characterized in that: the left end of the first long busbar (7) and battery sheet one (1) are welded to connect, and the right-hand member of the first long busbar (7) and battery sheet three (3) are welded to connect;
The left end of the second long busbar (8) and battery sheet four (4) are welded to connect, and the right-hand member of the second long busbar (8) and battery sheet six (6) are welded to connect;
The left end and the battery sheet two (2) of the first short busbar (9) are welded to connect, and the right-hand member of the first short busbar (9) is as the electrode leads to client of photovoltaic module;
The left end and the battery sheet five (5) of the second short busbar (10) are welded to connect, and the right-hand member of the second short busbar (10) is as the electrode leads to client of photovoltaic module.
2. the circuit laminated construction of a kind of photovoltaic module according to claim 1, it is characterized in that: the backplate of the left end of the first long busbar (7) and battery sheet one (1) is welded to connect, and the front electrode of the right-hand member of the first long busbar (7) and battery sheet three (3) is welded to connect;
The backplate of the left end of the second long busbar (8) and battery sheet four (4) is welded to connect, and the front electrode of the right-hand member of the second long busbar (8) and battery sheet six (6) is welded to connect;
The left end of the first short busbar (9) and the front electrode of battery sheet two (2) are welded to connect, and the right-hand member of the first short busbar (9) is as the negative pole exit of photovoltaic module;
The left end of the second short busbar (10) and the backplate of battery sheet five (5) are welded to connect, and the right-hand member of the second short busbar (10) is as the anodal exit of photovoltaic module.
3. the circuit laminated construction of a kind of photovoltaic module according to claim 1 is characterized in that: reversal connection bypass diode between described battery sheet one (1) and the battery sheet two (2), between battery sheet three (3) and the battery sheet four (4), between battery sheet five (5) and the battery sheet six (6).
4. the circuit laminated construction of a kind of photovoltaic module according to claim 1 is characterized in that: described long busbar and short busbar are positioned at the back side of battery strings.
5. according to the circuit laminated construction of claim 1 or 4 described a kind of photovoltaic modulies, it is characterized in that: described long busbar is overlapping up and down with short busbar, and the centre separates with EVA and TPT.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201020166089 CN201655820U (en) | 2010-04-20 | 2010-04-20 | Circuit overlap structure of photovoltaic assembly |
Applications Claiming Priority (1)
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CN 201020166089 CN201655820U (en) | 2010-04-20 | 2010-04-20 | Circuit overlap structure of photovoltaic assembly |
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CN 201020166089 Expired - Lifetime CN201655820U (en) | 2010-04-20 | 2010-04-20 | Circuit overlap structure of photovoltaic assembly |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101997047A (en) * | 2010-04-20 | 2011-03-30 | 常州天合光能有限公司 | Circuit laminated structure of photovoltaic assembly |
CN106449818A (en) * | 2016-11-21 | 2017-02-22 | 泰州乐叶光伏科技有限公司 | Photovoltaic lamination assembly with bypass diodes |
CN107863414A (en) * | 2017-09-28 | 2018-03-30 | 合肥晶澳太阳能科技有限公司 | A kind of connection method of photovoltaic module busbar |
CN111129167A (en) * | 2018-10-31 | 2020-05-08 | 湖南红太阳新能源科技有限公司 | Novel single-glass photovoltaic module |
-
2010
- 2010-04-20 CN CN 201020166089 patent/CN201655820U/en not_active Expired - Lifetime
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101997047A (en) * | 2010-04-20 | 2011-03-30 | 常州天合光能有限公司 | Circuit laminated structure of photovoltaic assembly |
WO2011130999A1 (en) * | 2010-04-20 | 2011-10-27 | 常州天合光能有限公司 | Circuit stack structure of photovoltaic assembly |
CN101997047B (en) * | 2010-04-20 | 2012-10-03 | 常州天合光能有限公司 | Circuit laminated structure of photovoltaic assembly |
CN106449818A (en) * | 2016-11-21 | 2017-02-22 | 泰州乐叶光伏科技有限公司 | Photovoltaic lamination assembly with bypass diodes |
CN106449818B (en) * | 2016-11-21 | 2017-11-28 | 泰州隆基乐叶光伏科技有限公司 | A kind of photovoltaic laminate component with bypass diode |
US11257971B2 (en) | 2016-11-21 | 2022-02-22 | Taizhou Lerrisolar Technology Co., Ltd. | Shingled photovoltaic module with bypass diodes |
CN107863414A (en) * | 2017-09-28 | 2018-03-30 | 合肥晶澳太阳能科技有限公司 | A kind of connection method of photovoltaic module busbar |
CN111129167A (en) * | 2018-10-31 | 2020-05-08 | 湖南红太阳新能源科技有限公司 | Novel single-glass photovoltaic module |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20101124 Effective date of abandoning: 20121003 |