CN204632785U - A kind of photovoltaic module - Google Patents
A kind of photovoltaic module Download PDFInfo
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- CN204632785U CN204632785U CN201520378000.5U CN201520378000U CN204632785U CN 204632785 U CN204632785 U CN 204632785U CN 201520378000 U CN201520378000 U CN 201520378000U CN 204632785 U CN204632785 U CN 204632785U
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- solar battery
- battery sheet
- solar cell
- sheet group
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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
Abstract
The utility model provides a kind of photovoltaic module, it is characterized in that, comprising: backboard, cover plate, terminal box and multiple solar battery sheet group; Described multiple solar battery sheet group is arranged between described backboard and described cover plate, is electrically connected with described terminal box; Described solar battery sheet group at least comprises a solar cell string; Each solar battery sheet group has lead-out wire respectively, and described lead-out wire extends to the outside of described backboard and/or described cover plate; Be electrically connected by described lead-out wire between described solar battery sheet group.By solar battery sheet grouping is electrically connected as solar battery sheet group, make often to organize described solar battery sheet group and there is lower output voltage, by solar battery sheet group is carried out different electrical connections, the output voltage that photovoltaic module reaches different can be made, thus enable photovoltaic module be applicable to polytype low pressure photovoltaic system flexibly.
Description
Technical field
The utility model relates to technical field of solar batteries, more particularly, relates to a kind of photovoltaic module.
Background technology
Solar cell is the semiconductor device that a kind of luminous energy by the sun is converted into electric energy.Because it in use can not cause environmental pollution, and utilization is reproducible sunlight, so under current energy starved situation, solar cell has vast potential for future development.
Generate electricity with enabling solar battery sheet long time stability, need multiple solar battery sheet to be assembled into photovoltaic module, and and then be assembled into photovoltaic system.Common ground photovoltaic module comprises membrane photovoltaic component and Crystalline Silicon PV Module, and wherein Crystalline Silicon PV Module is due to production technology maturation, and relative inexpensiveness, commercially dominates.The Crystalline Silicon PV Module that prior art makes, adopt sandwich structure more, its structure is followed successively by from top to bottom, toughened glass/encapsulating material/solar battery sheet/encapsulating material/backboard, backboard face assembling terminal box is to derive photovoltaic module electricity, and the frame of surrounding assembling is simultaneously to improve the mechanical strength of photovoltaic module and to be convenient to install.The photovoltaic module that prior art makes generally takes pure series circuit, and namely in circuit, often the series connection of row solar cell is solar cell string, then solar cell is ganged up wired in series connection.
Conventional photovoltaic module comprises 72 photovoltaic modulies and 60 photovoltaic modulies, and after said method makes, the maximum working voltage obtained is respectively 36V and 30V.These photovoltaic modulies, can not be applicable to the photovoltaic system that DC voltage is low pressure, and realize the reduction of photovoltaic module output voltage by reducing solar battery sheet number, then must cause the reduction of component power density.
Utility model content
In view of this, the utility model provides a kind of photovoltaic module, under the prerequisite not reducing component power density, can be applicable to the photovoltaic system that multiple DC voltage is low pressure.
For achieving the above object, the utility model provides following technical scheme:
A kind of photovoltaic module, comprising: backboard, cover plate, terminal box and multiple solar battery sheet group; Described multiple solar battery sheet group is arranged between described backboard and described cover plate, is electrically connected with described terminal box; Described solar battery sheet group at least comprises a solar cell string; Each solar battery sheet group has lead-out wire respectively, and described lead-out wire extends to the outside of described backboard and/or described cover plate; Be electrically connected by described lead-out wire between described solar battery sheet group.
Preferably, described solar battery sheet group also comprises: solar cell half string, and described solar cell half string comprises multiple solar cell half be connected in series; Described solar cell half is cut along solar battery sheet main gate line 1/2 punishment the half solar battery sheet obtained.
Preferably, be provided with binding post and bypass diode in described terminal box, the lead-out wire of described solar battery group is electrically connected to described binding post, and described solar battery group and described bypass diode are connected in parallel.Preferably, it is characterized in that, described photovoltaic module comprises 4 described solar battery sheet groups; Described solar battery sheet group comprises 2 described solar cell half strings and 1 described solar cell string; Be connected in parallel between described solar cell half string, be connected in series between described solar cell string and the described solar cell half string be connected in parallel; Described solar cell half string comprises 12 described solar cell half; Described solar cell string comprises 6 solar battery sheets.
Preferably, described solar battery sheet group comprises multiple solar cell string, is electrically connected between described solar cell string.
Preferably, described photovoltaic module comprises 4 described solar battery sheet groups; Described solar battery sheet group comprises 3 described solar cell strings; Be connected in series between described solar cell string; Described solar cell string comprises 6 solar battery sheets.
Compared with prior art, technical scheme provided by the utility model has the following advantages:
Photovoltaic module provided by the utility model, solar battery sheet grouping is electrically connected as solar battery sheet group, make often to organize described solar battery sheet group and there is lower output voltage, owing to often organizing described solar battery sheet group, all there is one group of lead-out wire, by the lead-out wire of solar battery sheet group is arranged different electric connection mode, the different electric connection mode of solar battery sheet group can be realized, the different output voltages of photovoltaic module can be obtained, thus realize under the prerequisite not reducing component power density, make photovoltaic module can be applicable to polytype low pressure photovoltaic system flexibly.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is the structural representation of the utility model embodiment one;
Fig. 2 is the circuit connecting mode of the 36V output voltage of the utility model embodiment one;
Fig. 3 is the circuit connecting mode of the 18V output voltage of the utility model embodiment one;
Fig. 4 is the circuit connecting mode of the 9V output voltage of the utility model embodiment one;
Fig. 5 is the photovoltaic module manufacture method flow chart of the utility model embodiment three.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As described in background, conventional photovoltaic module comprises multiple row solar battery sheet, and often row cell piece is connected in series and forms solar cell string, is also connected in series between solar cell string and solar cell string.Existing 72 photovoltaic modulies and 60 photovoltaic modulies, after this kind of connected mode connects, maximum working voltage is respectively 36V and 30V.These photovoltaic modulies, can not be applicable to the photovoltaic system that DC voltage is low pressure, and reduce the photovoltaic module of solar battery sheet number, then must cause the reduction of component power density, and cause the rising of component integration cost of manufacture.
Based on this, the utility model provides a kind of photovoltaic module, comprising: backboard, cover plate, multiple solar battery sheet group and terminal box; Described multiple solar battery sheet group is arranged between described backboard and/or described cover plate, is electrically connected with described terminal box; Each solar battery sheet group has lead-out wire respectively, and described lead-out wire extends to the outside of described backboard and described cover plate; Be electrically connected by described lead-out wire between described solar battery sheet group; Described solar battery sheet group at least comprises a solar cell string.
Photovoltaic module provided by the utility model, solar battery sheet in photovoltaic module is divided into solar battery sheet group, make often to organize described solar battery sheet group and there is lower output voltage, owing to often organizing described solar battery sheet group, all there is one group of lead-out wire, by the lead-out wire of solar battery sheet group is arranged different electric connection mode, the different electric connection mode of solar battery sheet group can be realized, the different output voltages of photovoltaic module can be obtained, thus realize under the prerequisite not reducing component power density, make photovoltaic module can be applicable to polytype low pressure photovoltaic system flexibly.
It is more than central idea of the present utility model, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment one
Present embodiments provide a kind of photovoltaic module, described photovoltaic module comprises: backboard, cover plate, terminal box and multiple solar battery sheet group;
Concrete, described cover plate is generally armorplate glass, and described backboard is generally TPT or TPE plate, in double-sided solar battery assembly, described backboard also can be armorplate glass, in the present embodiment, described cover plate is armorplate glass, and described backboard is TPT plate.
Usually, also have encapsulating material in photovoltaic module, described encapsulating material is generally polymeric laminate, and described encapsulating material is generally EVA or POE, and in the present embodiment, described encapsulating material is EVA.
Further, usually also have frame in photovoltaic module, described frame material is generally aluminium alloy or plastics, and in the present embodiment, described frame is aluminum alloy frame.
Described terminal box is generally plastic material or metal material, is provided with binding post and bypass diode in described terminal box.Wherein, four binding posts and three (three groups) bypass diodes are set in terminal box, or two binding posts and (one group) bypass diode are set, in the present embodiment, described terminal box is plastic material, wherein arranges two binding posts and (one group) bypass diode.
Concrete, in the present embodiment, described multiple solar battery sheet group is arranged between described backboard and described cover plate, is integrated by described three-decker gluing by EVA.In other embodiments of the utility model, other gluing mode also can realize said structure.
Described multiple solar battery sheet group is electrically connected with described terminal box.
Concrete, the lead-out wire of described multiple solar cell is electrically connected to described binding post, and described solar battery group and described bypass diode are connected in parallel.
The bypass diode arranged in terminal box is used for preventing hot spot effect.
In the present embodiment, described multiple solar battery sheet group is 4 solar battery sheet groups.
Particularly, described 4 solar battery sheet groups are respectively A, B, C, D tetra-groups, A Battery pack sheet positive pole A+ and negative pole A-has a lead-out wire respectively, introduces the positive and negative terminal in terminal box, is electrically connected by binding post with other solar battery sheet groups.
And, can also establish between two of a terminal box binding post one or one group of bypass diode in parallel with A Battery pack sheet, when A group arbitrary cell piece generation hot spot effect, this diode or diode group namely can conducting with prevent assembly due to cell piece local temperature too high and be damaged.Similarly, the positive pole B+ of B Battery pack sheet and negative pole B-, the positive pole C+ of C battery sheet and the positive pole D+ of negative pole C-, D Battery pack sheet and negative pole D-, introduce the positive and negative terminal of corresponding terminal box respectively.
Described solar battery sheet group at least comprises a solar cell string.
In the present embodiment, described solar cell string comprises 6 solar battery sheets, for 156mm × 156mm crystalline silicon battery plate of routine, because single battery sheet maximum voltage Vmp is 0.5V, maximum current Imp is 8.3A, therefore the maximum voltage Vmp of described solar cell string
1for 3V, maximum current Imp
1for 8.3A.
In the present embodiment, described solar battery sheet group also comprises: solar cell half string, and described solar cell half string comprises multiple solar cell half be connected in series; Described solar cell half is cut along solar battery sheet main gate line 1/2 punishment the half solar battery sheet obtained.
For 156mm × 156mm crystalline silicon battery plate of routine, the maximum voltage Vmp of single battery sheet is at about 0.5V, and maximum current Imp is at about 8.3A.Because the voltage of crystalline silicon battery plate and its area have nothing to do, and its electric current is directly proportional to its area, therefore by the full wafer cell piece of a 156mm × 156mm along solar battery sheet main gate line 1/2 place cutting decile, the half solar battery sheet of two the 156mm × 78mm obtained, obtain solar cell half, its maximum voltage will be still about 0.5V, and maximum current will become about 4.15A.
The described solar cell half of predetermined number is connected in series, obtains solar cell half string.Concrete, in the present embodiment, described solar cell half string comprises 12 described solar cell half.
Still for the crystalline silicon battery plate of routine, the solar cell half string that 12 solar cell half are in series, due to single solar cell half maximum voltage Vmp
0for 0.5V, maximum current is Imp
0for 4.15A, therefore the maximum voltage Vmp of solar cell half string
2for 6V, and maximum current Imp
2for 4.15A
Concrete, solar battery sheet group described in the present embodiment comprises 2 described solar cell half strings and 1 described solar cell string.
Described solar cell half string is connected with described solar cell crosstalk.Concrete, be connected in parallel between described solar cell half string, be connected in series between described solar cell string and the described solar cell half string be connected in parallel.
After 2 described solar cell half connection in series-parallel connect, then be connected in series with 1 described solar cell string, like this, forming in each solar battery sheet group electric current on main line is 8.3A, i.e. maximum current Imp
3for 8.3A, and often organize output maximum voltage Vmp
3for 9V
Cell piece arrangement in the present embodiment is similar with 72 conventional photovoltaic modulies.In 72 photovoltaic modulies, arrange in the mode of 6 × 12, every 12 is row, and series connection obtains solar cell string, and having 6 row, is 6 solar cell strings.And in the present embodiment, as shown in Figure 1, be divided into 12 row cell pieces, be connected in series between each row internal cell.Wherein, 4 are classified as the solar cell string that 6 full wafer solar battery sheets 100 are in series, have 8 to be classified as solar cell half string that 12 solar cell half 200 are in series.Each solar battery sheet group comprises three row, and one is classified as solar cell string, and two are classified as solar cell half string.Battery strings in each group takes circuit connecting mode of the same race.
Each solar battery sheet group has lead-out wire respectively, and described lead-out wire extends to the outside of described backboard and described cover plate; Be electrically connected by described lead-out wire between described solar battery sheet group;
In the present embodiment, each solar battery sheet group has lead-out wire 300 respectively.Described lead-out wire is incorporated on the binding post of the terminal box of outfit, by the cable of described terminal box, can arrange the electric connection mode between solar battery sheet group flexibly.
After being connected with the binding post of the terminal box be equipped with separately by the described lead-out wire of A, B, C, D tetra-groups of solar battery sheet groups, the cable of butted line box takes different circuit connecting modes, and assembly can be made to realize different output voltages.Particularly, by described lead-out wire, the both positive and negative polarity of A, B, C, D tetra-groups of solar battery sheet groups is carried out different electrical connections, can 36V be realized, 18V and 9V tri-kinds of output voltages.
For 36V output voltage, corresponding circuit connecting mode as shown in Figure 2, four groups of solar battery sheet groups 400 are carried out being connected in series, by A+ and B-, B+ and C-, C+ and D-connects with wire respectively, under this kind of connected mode, A-is the cathode output end of assembly, and D+ is the cathode output end of assembly, whole assembly maximum voltage Vmp
4for 36V, maximum current Imp
4for 8.3A.
For 18V output voltage, corresponding circuit connecting mode as shown in Figure 3, first A+ and B-, C+ and D-are connected with wire respectively, make A group and B group, connect respectively with D group by C group; And then A-and C-, B+ and D+ are connected with wire respectively, carry out parallel connection again to the solar battery sheet group after series connection, under this kind of connected mode, A-and C-is the cathode output end of assembly, and B+ and D+ is the cathode output end of assembly, the maximum voltage Vmp of whole assembly
4for 18V, maximum current Imp
4for 16.6A.
For 9V output voltage, corresponding circuit connecting mode as shown in Figure 4, by A-, B-, C-, D-wire couples together as assembly cathode output end, by A+, B+, C+, D+ wire couples together the cathode output end as assembly, under this kind of connected mode, achieves A, B, being connected in parallel of C, D tetra-groups of solar battery sheet groups, the maximum voltage Vmp of whole assembly
4for 9V, maximum current Imp
4for 33.2A.
Under above three kinds of circuit, although the maximum voltage of assembly and maximum current different, but the maximum power of assembly is the same, and namely above-mentioned different circuit connecting mode only have adjusted output end voltage and the circuit of assembly, does not affect the power output of assembly.In addition, due under above-mentioned different circuit connection, the template, size etc. of monoblock unit all do not change, therefore the power density of assembly also remains unchanged.
According to the photovoltaic module that the present embodiment provides, when keeping power stage and power density, assembly 36V can be realized, the voltage in several modes such as 18V, 9V.The circuit connecting mode selecting the present embodiment to provide flexibly, makes assembly have different output voltages, achieves a kind of photovoltaic module and can directly apply to polytype low pressure photovoltaic system.
Therefore, the present embodiment, when keeping component power density, has widened the range of application of conventional photovoltaic assemblies in each photovoltaic system greatly.Such as, select 9V circuit connecting mode, assembly output voltage is 9V, is connected by three block assemblies, can realize 27V output voltage, and in conjunction with the photovoltaic controller be applicable to, namely assembly can be applicable to the low pressure angle of solar battery system that DC side is 24V; Select 18V circuit connecting mode, three block assemblies are connected, and can realize 54V output voltage, and in conjunction with the photovoltaic controller be applicable to, namely assembly can be applicable to the low pressure angle of solar battery system that DC side is 48V; And select 18V circuit connecting mode, three block assemblies carry out parallel connection, can realize 18V output voltage, and in conjunction with the photovoltaic controller be applicable to, namely assembly can be applicable to the low pressure angle of solar battery system that DC side is 12V
Can find out, the photovoltaic module that the present embodiment provides, solar battery sheet grouping is electrically connected as solar battery sheet group, make often to organize described solar battery sheet group and there is lower output voltage, owing to often organizing described solar battery sheet group, all there is one group of lead-out wire, by the lead-out wire of solar battery sheet group is arranged different electric connection mode, the output voltage of different photovoltaic modulies can be set out, thus realize under the prerequisite not reducing component power density, the polytype low pressure angle of solar battery system of flexible adaptation.
Embodiment two
With a upper embodiment unlike, the group of solar battery sheet described in the present embodiment comprises 3 solar cell strings, is connected in series between described solar cell string.
Because solar cell string comprises 6 solar battery sheets, for 156mm × 156mm crystalline silicon battery plate of routine, because single battery sheet maximum voltage Vmp is 0.5V, maximum current Imp is 8.3A, therefore the maximum voltage Vmp of described solar cell string
1for 3V, maximum current Imp
1for 8.3A.
Be connected in series by described 3 solar cell strings, in the solar battery sheet group obtained, on main line, electric current is 8.3A, i.e. maximum current Imp
4for 8.3A, and often organize output maximum voltage Vmp
4for 9V.
A same embodiment is identical, the photovoltaic module that the present embodiment provides, solar battery sheet grouping is electrically connected as solar battery sheet group, make often to organize described solar battery sheet group and there is lower output voltage, owing to often organizing described solar battery sheet group, all there is one group of lead-out wire, by the lead-out wire of solar battery sheet group is arranged different electric connection mode, the output voltage of different photovoltaic modulies can be set out, thus realize under the prerequisite not reducing component power density, the polytype low pressure angle of solar battery system of flexible adaptation.
Embodiment three
Corresponding with above-described embodiment, the present embodiment provides a kind of manufacture method of photovoltaic module, for making the photovoltaic module in above-described embodiment.Concrete, with reference to figure 5, described method comprises
Step S1: be connected in series by the solar battery sheet of predetermined number, obtains solar cell string.
Concrete, adopt welding to be connected in series by the solar battery sheet of predetermined number, obtain solar cell string.
Step S2: grouping arranges described solar cell string, and obtain solar battery sheet group, described solar battery sheet group at least comprises a solar cell string.
In the present embodiment, described solar battery sheet group comprises and is greater than 1 solar cell string, described solar cell crosstalk is connected, obtains solar battery sheet group.
Concrete, design corresponding circuit according to target voltage values, by described solar cell connection in series-parallel or be connected in series, obtain solar battery sheet group.
Step S3: lay described solar battery sheet group between backboard and cover plate, the lead-out wire of reserved described solar battery sheet group is to the outside of described backboard and/or described cover plate.
Concrete, lay described solar battery sheet group between backboard and cover plate, and at described solar battery sheet group and cover plate, arrange transparent adhesive film between solar battery sheet group and backboard, as EVA etc., carry out lamination.
Concrete, in the present embodiment, the lead-out wire of described solar battery sheet group is drawn from described backboard face.
Step S4: be electrically connected described solar battery sheet group and terminal box, obtain photovoltaic module.
Concrete, be provided with binding post and bypass diode in described terminal box.
According to the position that the lead-out wire often organizing solar battery sheet group is drawn in described backboard face, described terminal box is assembled in described backboard face, and the lead-out wire of every Battery pack sheet group is connected on the binding post of described terminal box, like this, electrical connection between solar battery sheet group realizes by the electrical connection of the cable of described terminal box, like this cable of described terminal box is arranged different electric connection mode, the different output voltages of photovoltaic module can be realized.Further, the bypass diode in described solar battery sheet group and terminal box is connected in parallel, and obtains photovoltaic module.
The manufacture method of the photovoltaic module that the present embodiment provides, solar battery sheet grouping is electrically connected as solar battery sheet group, make often to organize described solar battery sheet group and there is lower output voltage, owing to often organizing described solar battery sheet group, all there is one group of lead-out wire, by the lead-out wire of solar battery sheet group is arranged different electric connection mode, the output voltage of different photovoltaic modulies can be set out, thus realize under the prerequisite not reducing component power density, the polytype low pressure angle of solar battery system of flexible adaptation.
Embodiment four
A same embodiment unlike, the present embodiment also comprised step S0 before step S1, and implementation method corresponding in step s 2.
Step S0: the solar battery sheet of predetermined number is cut along solar battery sheet main gate line 1/2 punishment the solar cell half obtained; Be connected in series described solar cell half, obtain solar cell half string.
Because solar cell half has the voltage identical with solar battery sheet, the electric current of 1/2, arranges by carrying out suitable circuit to solar cell half, solar battery sheet group can be made to obtain suitable output voltage.
Step S2: grouping arranges described solar cell string, and obtain solar battery sheet group, described solar battery sheet group at least comprises a solar cell string.
In the present embodiment, described solar battery sheet group comprises the described solar cell half string of a solar cell string and predetermined number, is connected by described solar cell string, obtains solar battery sheet group with the crosstalk of described solar cell half.
The manufacture method of the photovoltaic module that the present embodiment provides, solar battery sheet grouping is electrically connected as solar battery sheet group, make often to organize described solar battery sheet group and there is lower output voltage, owing to often organizing described solar battery sheet group, all there is one group of lead-out wire, by the lead-out wire of solar battery sheet group is arranged different electric connection mode, the output voltage of different photovoltaic modulies can be set out, thus realize under the prerequisite not reducing component power density, the polytype low pressure angle of solar battery system of flexible adaptation.
Claims (6)
1. a photovoltaic module, is characterized in that, comprising: backboard, cover plate, terminal box and multiple solar battery sheet group;
Described multiple solar battery sheet group is arranged between described backboard and described cover plate, is electrically connected with described terminal box;
Described solar battery sheet group at least comprises a solar cell string;
Each solar battery sheet group has lead-out wire respectively, and described lead-out wire extends to the outside of described backboard and/or described cover plate; Be electrically connected by described lead-out wire between described solar battery sheet group.
2. photovoltaic module according to claim 1, it is characterized in that, be provided with binding post and bypass diode in described terminal box, the lead-out wire of described solar battery group is electrically connected to described binding post, further, described solar battery group and described bypass diode are connected in parallel.
3. photovoltaic module according to claim 1, is characterized in that, described solar battery sheet group also comprises:
Solar cell half string, described solar cell half string comprises multiple solar cell half be connected in series; Described solar cell half is cut along solar battery sheet main gate line 1/2 punishment the half solar battery sheet obtained.
4. photovoltaic module according to claim 3, is characterized in that,
Described photovoltaic module comprises 4 described solar battery sheet groups;
Described solar battery sheet group comprises 2 described solar cell half strings and 1 described solar cell string; Be connected in parallel between described solar cell half string, be connected in series between described solar cell string and the described solar cell half string be connected in parallel;
Described solar cell half string comprises 12 described solar cell half; Described solar cell string comprises 6 solar battery sheets.
5. photovoltaic module according to claim 1, is characterized in that, described solar battery sheet group comprises multiple solar cell string, is electrically connected between described solar cell string.
6. photovoltaic module according to claim 5, is characterized in that,
Described photovoltaic module comprises 4 described solar battery sheet groups;
Described solar battery sheet group comprises 3 described solar cell strings; Be connected in series between described solar cell string;
Described solar cell string comprises 6 solar battery sheets.
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| CN201520378000.5U CN204632785U (en) | 2015-06-04 | 2015-06-04 | A kind of photovoltaic module |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104980103A (en) * | 2015-06-04 | 2015-10-14 | 浙江晶科能源有限公司 | Photovoltaic assembly and manufacturing method therefor |
| CN107342341A (en) * | 2017-07-07 | 2017-11-10 | 常州天合光能有限公司 | A kind of half solar cell module and its welding method |
| CN108687418A (en) * | 2017-04-04 | 2018-10-23 | 天合光能股份有限公司 | A kind of welding connection method of solar cell |
-
2015
- 2015-06-04 CN CN201520378000.5U patent/CN204632785U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104980103A (en) * | 2015-06-04 | 2015-10-14 | 浙江晶科能源有限公司 | Photovoltaic assembly and manufacturing method therefor |
| CN104980103B (en) * | 2015-06-04 | 2017-12-29 | 浙江晶科能源有限公司 | A kind of photovoltaic module and preparation method thereof |
| CN108687418A (en) * | 2017-04-04 | 2018-10-23 | 天合光能股份有限公司 | A kind of welding connection method of solar cell |
| CN108687418B (en) * | 2017-04-04 | 2021-03-12 | 天合光能股份有限公司 | Solder strip connection method of solar cell |
| CN107342341A (en) * | 2017-07-07 | 2017-11-10 | 常州天合光能有限公司 | A kind of half solar cell module and its welding method |
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