CN210167367U - Solar cell module - Google Patents
Solar cell module Download PDFInfo
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- CN210167367U CN210167367U CN201920872590.5U CN201920872590U CN210167367U CN 210167367 U CN210167367 U CN 210167367U CN 201920872590 U CN201920872590 U CN 201920872590U CN 210167367 U CN210167367 U CN 210167367U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model discloses a solar battery component, which comprises a plurality of battery strings, diodes, bus bars, an anode outgoing line and a cathode outgoing line, wherein the battery strings are connected in series or in parallel through the bus bars and are connected with a junction box through the anode outgoing line and the cathode outgoing line; the battery string is made of silicon chips with the size range of 160-220 mm; the diode is provided with a plurality of, and every diode sets up with 2-6 string battery strings. Each string of cells comprises 5-15 whole solar cells, or each string of cells comprises 10-30 sliced solar cells. Adopt the utility model discloses, can guarantee under the prerequisite of same power and subassembly size, reduce battery piece use quantity. Meanwhile, the power in the single-sided area of the component can be improved, and the cost of the system end of the component is reduced.
Description
Technical Field
The utility model relates to a solar cell field especially relates to a solar module.
Background
With the advancement of flat-price internet access, the requirements of high-power and low-cost components are increasing day by day, and in addition, the silicon wafer cutting technology is gradually mature, so that large-size silicon wafers become mainstream in the industry. The size of the silicon chip is increased, except for the silicon chip end and the battery end which need to be adjusted; the circuit design and the diode design of the component end also need to be optimized so as to meet the requirement of a large-size silicon chip. Moreover, after the existing solar module uses a large silicon wafer battery, the size of the module is increased, the weight is increased, and the installation is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a solar module is provided, under the prerequisite that can guarantee same power and subassembly size, reduce the battery piece and use quantity, reduce the installation degree of difficulty.
The utility model aims to solve the technical problem still in that, a solar module is provided, and is compatible good, and application scope is wide.
In order to solve the technical problem, the utility model provides a solar battery assembly, which comprises a plurality of battery strings, diodes, bus bars, an anode outgoing line and a cathode outgoing line, wherein the battery strings are connected in series or in parallel through the bus bars and are connected with a junction box through the anode outgoing line and the cathode outgoing line;
the battery string is made of silicon chips with the size range of 160-220 mm;
the diode is provided with a plurality of, and every diode sets up with 2-6 string battery strings.
Each string of cells comprises 5-15 whole solar cells, or each string of cells comprises 10-30 sliced solar cells.
As a preferable mode of the above aspect, the solar cell module includes 5 to 12 strings of cells;
each string of cells comprises 5-12 whole solar cells, or each string of cells comprises 10-24 sliced solar cells.
In a preferred embodiment of the above aspect, the solar cell module includes a plurality of identical cell strings.
In a preferred embodiment of the above aspect, the divided solar cells are half-divided solar cells.
In a preferred embodiment of the above aspect, the diode is a schottky diode.
Preferably, each diode is provided corresponding to 2-4 strings of cells.
As a preferred mode of the above aspect, the solar cell module has a format a × B, where a is the number of cell strings, and B is the number of whole solar cells per cell string, and the format of the solar cell module includes 5 × 8, 5 × 9, 5 × 10, 5 × 11, 5 × 12, 6 × 8, 6 × 9, 6 × 10, 6 × 11, 6 × 12, 8 × 5, 8 × 6, 9 × 5, 10 × 6, 10 × 7, 11 × 5, 11 × 6, 12 × 5, 12 × 6.
As a preferred mode of the above scheme, the solar cell module has a format a × C, where a is the number of cell strings, C is the number of divided solar cells per string of cell strings, and the format of the solar cell module includes 5 × 16, 5 × 18, 5 × 20, 5 × 22, 5 × 24, 6 × 16, 6 × 18, 6 × 20, 6 × 22, 6 × 24, 8 × 10, 8 × 12, 10 × 10, 10 × 12, 10 × 14, 12 × 10, 12 × 12.
Preferably, the number of the main grids of the solar cell is 5-12.
In a preferred embodiment of the above aspect, the solar cell is a P-type PERC single-sided solar cell or a P-type PERC double-sided solar cell.
Implement the utility model discloses, following beneficial effect has:
the utility model discloses an at least two strings of battery cluster, diode, busbar, anodal lead-out wire and negative pole lead-out wire, wherein, the battery cluster chooses for use the big silicon chip that size range is 160-220mm to make, and rethread circuit design's change, every string of battery cluster includes 5-8 whole solar cells, perhaps every string of battery cluster includes the solar cell of 10-16 burst, and every diode corresponds the setting with 2-6 strings of battery clusters. Therefore, the utility model discloses use jumbo size silicon chip, rethread circuit design's change can satisfy the reasonable size design of subassembly under the condition of silicon chip size increase, guarantees good electric current, voltage, power output, can reduce the battery piece and use quantity moreover under the prerequisite of guaranteeing same power and subassembly size to reduce cost reduces the installation degree of difficulty. The utility model discloses promote the power in the subassembly single face area simultaneously, reduce subassembly system end cost (like land area, cable, support, dc-to-ac converter, manual installation etc.) and commodity circulation cost of transportation to reduce the installation degree of difficulty. And, the utility model discloses can be compatible different main grid line batteries simultaneously, compatible different grade type battery to and compatible not unidimensional silicon chip.
Drawings
Fig. 1 is a schematic view of a first embodiment of a solar cell module according to the present invention;
fig. 2 is a schematic view of a second embodiment of the solar cell module of the present invention;
fig. 3 is a schematic view of a third embodiment of the solar cell module of the present invention;
fig. 4 is a schematic view of a fourth embodiment of the solar cell module of the present invention;
fig. 5 is a schematic view of a fifth embodiment of the solar cell module of the present invention;
fig. 6 is a schematic view of a sixth embodiment of the solar cell module of the present invention;
fig. 7 is a schematic view of a seventh embodiment of the solar cell module of the present invention;
fig. 8 is a schematic view of an eighth embodiment of the solar cell module of the present invention;
fig. 9 is a schematic view of a ninth embodiment of the solar cell module of the present invention;
fig. 10 is a schematic view of a tenth embodiment of the solar cell module of the present invention;
fig. 11 is a schematic view of an eleventh embodiment of the solar cell module of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.
With reference to fig. 1-11, the present invention provides a solar cell module, which comprises a plurality of strings of cells 1, diodes 2, bus bars 3, positive lead wires 4 and negative lead wires 5, wherein the strings of cells are connected in series or in parallel through the bus bars 3, and are connected with a junction box through the positive lead wires 4 and the negative lead wires 5;
the battery string 1 is made of silicon wafers with the size range of 160-220 mm;
the diodes 2 are arranged in a plurality, and each diode 2 is arranged corresponding to 2-6 battery strings 1.
Each string 1 of cells comprises 5-15 whole solar cells, or each string 1 of cells comprises 10-30 sliced solar cells.
The utility model discloses use jumbo size silicon chip, rethread circuit design's change can satisfy the reasonable size design of subassembly under the condition of silicon chip size increase, guarantees good electric current, voltage, power output, can reduce the battery piece and use quantity moreover under the prerequisite of guaranteeing same power and subassembly size to reduce cost reduces the installation degree of difficulty. The utility model discloses promote the power in the subassembly single face area simultaneously, reduce subassembly system end cost (like land area, cable, support, dc-to-ac converter, manual installation etc.) and commodity circulation cost of transportation to reduce the installation degree of difficulty.
Preferably, the solar cell module comprises 5-12 strings of cells; each string of cells comprises 5-12 whole solar cells, or each string of cells comprises 10-24 sliced solar cells.
The segmented solar cell is a half-segment solar cell.
Preferably, the solar cell module comprises a plurality of same cell strings, which is beneficial to adjusting circuit performance and maintaining good current, voltage and power output.
The diode is a schottky diode.
The schottky diode is manufactured by using a metal-semiconductor junction principle in which a metal is in contact with a semiconductor, and is a hot carrier diode. After a space charge area with a certain width is established, electron drift motion caused by an electric field and electron diffusion motion caused by different concentrations reach relative balance, and a Schottky barrier is formed. The utility model discloses a schottky diode can reduce cost by a wide margin, has improved the uniformity of parameter.
The utility model provides an every diode 2 corresponds the setting with 2-6 cluster battery cluster 1, can optimize the circuit that adopts battery pack behind the jumbo size silicon chip, guarantees good electric current, voltage, power output. Preferably, each diode is arranged corresponding to 2-4 strings of batteries.
Preferably, the number of the main grids of the solar cell may be 5-12, but is not limited thereto.
Preferably, the solar cell is a P-type PERC single-sided solar cell or a P-type PERC double-sided solar cell, but is not limited thereto.
Preferably, the battery string is made of silicon wafers with the size range of 161.75mm-220 mm.
Therefore, the utility model discloses can be compatible different main grid line batteries simultaneously, like 5BB, 6BB, 9BB, 12BB etc.; can be compatible with different types of batteries, such as a PERC single crystal single-sided battery and a PERC single crystal double-sided battery; different sizes of silicon wafers can be compatible, and the size of the silicon wafers ranges from 161.75mm to 220 mm.
Further, in order to better illustrate the design point of the solar cell module, the solar cell module has a model type a × B, where a is the number of cell strings and B is the number of whole solar cells per cell string, and the model type of the solar cell module includes 5 × 8, 5 × 9, 5 × 10, 5 × 11, 5 × 12, 6 × 8, 6 × 9, 6 × 10, 6 × 11, 6 × 12, 8 × 5, 8 × 6, 9 × 7, 10 × 5, 10 × 6, 10 × 7, 11 × 5, 11 × 6, 12 × 5, 12 × 6.
The solar cell module is characterized in that the format is A × C, wherein A is the number of cell strings, C is the number of split solar cells per cell string, and the format of the solar cell module comprises 5 × 16, 5 × 18, 5 × 20, 5 × 22, 5 × 24, 6 × 16, 6 × 18, 6 × 20, 6 × 22, 6 × 24, 8 × 10, 8 × 12, 10 × 10, 10 × 12, 10 × 14, 12 × 10, 12 × 12.
Various embodiments of the present invention are further described below with reference to fig. 1-11, as follows:
as shown in fig. 1, the solar cell module includes 6 strings of cell strings 1, 3 diodes 2, a bus bar 3, an anode outgoing line 4 and a cathode outgoing line 5, the 6 strings of cell strings are connected in series, each string of cell string includes 8 to 12 whole cells, the cells are vertically arranged, and every two strings of cell strings are protected by one diode.
As shown in fig. 2, the solar cell module includes 5 strings of cell strings 1, 3 diodes 2, a bus bar 3, an anode outgoing line 4 and a cathode outgoing line 5, the 5 strings of cell strings are connected in series, each string of cell string includes 8 to 12 whole cells; and (3) vertical typesetting, wherein 2 diodes respectively protect 2 strings of battery strings, and the other 1 diode is connected through a long bus bar to protect 1 string of battery strings.
As shown in fig. 3, the solar cell module includes 10 strings of cell strings 1, 2 diodes 2, a bus bar 3, an anode outgoing line 4 and a cathode outgoing line 5, the 10 strings of cell strings are connected in series, each string of cell string includes 5 to 7 whole cells, the cells are arranged horizontally, 2 diodes are provided, and each diode protects 5 strings of cell strings.
As shown in fig. 4, the solar cell module includes 6 large strings of cells 1 (divided into 12 small strings of cells), 3 diodes 2, bus bars 3, an anode outgoing line 4, and a cathode outgoing line 5, the 6 small strings of cells in the upper half are connected in series, the 6 small strings of cells in the lower half are connected in series, then the upper and lower parts are connected in parallel, each string of cells includes 16 to 24 divided cells, 3 diodes are needed in total, and each diode protects 4 small strings of cells.
As shown in fig. 5, the solar cell module includes 8 strings of cell strings 1, 2 diodes 2, a bus bar 3, an anode outgoing line 4, and a cathode outgoing line 5, each 2 strings of cell strings are connected in parallel to form a small unit, and then 4 small units are connected in series, each string of cell strings includes 10 to 12 divided cells, 2 diodes are required in total, and each diode protects 4 strings of cell strings.
As shown in fig. 6, the solar cell module includes 12 strings of cells 1, 3 diodes 2, a bus bar 3, an anode outgoing line 4, and a cathode outgoing line 5, each 2 strings of cells are connected in parallel to form a small unit, and then 6 small units are connected in series, each string of cells includes 10 to 12 divided cells, 3 diodes are required in total, and each diode protects 4 strings of cells.
As shown in fig. 7, the solar cell module includes 11 strings of cells 1, 3 diodes 2, a bus bar 3, an anode outgoing line 4 and a cathode outgoing line 5, the 11 strings of cells are connected in series, each string of cells includes 5 to 6 whole cells, and the cells are vertically arranged; the number of the diodes is 3, wherein 2 diodes respectively protect 4 strings of battery strings, and the other 1 diode protects 3 strings of battery strings.
As shown in fig. 8, the solar cell module includes 12 strings of cells 1, 3 diodes 2, bus bars 3, positive lead wires 4 and negative lead wires 5, the 12 strings of cells are connected in series, each string of cells includes 5-6 whole cells, and the cells are arranged horizontally; the number of the diodes is 3, and each 4 strings of batteries are protected by one diode.
As shown in fig. 9, the solar cell module includes 10 strings of cells 1, 3 diodes 2, bus bars 3, positive electrode outgoing lines 4 and negative electrode outgoing lines 5, each 2 strings of cells are connected in parallel to form a small unit, then 5 small units are connected in series, each string of cells includes 10 to 14 pieces of divided cells, and the cells are arranged horizontally; the number of the diodes is 3, wherein 2 diodes respectively protect 4 strings of battery strings, and the other 1 diode protects 2 strings of battery strings.
As shown in fig. 10, the solar cell module includes 12 strings of cells 1, 3 diodes 2, bus bars 3, an anode outgoing line 4, and a cathode outgoing line 5, each 2 strings of cells are connected in parallel to form a small unit, and then 6 small units are connected in series, each string of cells includes 10 to 12 divided cells, and the cells are arranged horizontally; the number of the diodes is 3, and each 4 strings of batteries are protected by one diode.
As shown in fig. 11, the solar cell module includes 9 strings of cells 1, 3 diodes 2, a bus bar 3, an anode outgoing line 4 and a cathode outgoing line 5, the 9 strings of cells are connected in series, each string of cells includes 5 to 7 whole cells, and the cells are arranged horizontally; the number of the diodes is 3, and each 3 strings of batteries are protected by one diode.
The number of cell strings of the solar cell module of the present invention and the number of solar cells per cell string may be randomly combined, and embodiments thereof are various, but not limited thereto. Each string of cells comprises 5-12 whole solar cells, or each string of cells comprises 10-24 sliced solar cells, and the whole solar cells or the sliced solar cells are connected by adopting the prior art to form the cell string.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. A solar cell module is characterized by comprising a plurality of cell strings, diodes, bus bars, positive lead-out wires and negative lead-out wires, wherein the cell strings are connected in series or in parallel through the bus bars and are connected with a junction box through the positive lead-out wires and the negative lead-out wires;
the battery string is made of silicon chips with the size range of 160-220 mm;
the number of the diodes is multiple, and each diode is arranged corresponding to 2-6 strings of battery strings;
each string of cells comprises 5-15 whole solar cells, or each string of cells comprises 10-30 sliced solar cells.
2. The solar module of claim 1, wherein the solar module comprises 5-12 strings;
each string of cells comprises 5-12 whole solar cells, or each string of cells comprises 10-24 sliced solar cells.
3. The solar cell module of claim 2, wherein the solar cell module comprises a plurality of identical strings.
4. The solar cell module as claimed in claim 2, wherein the sliced solar cell is a half-slice solar cell.
5. The solar cell module as claimed in claim 1, wherein the diode is a schottky diode.
6. The solar module of claim 5, wherein each diode is disposed in correspondence with 2-4 strings of cells.
7. The solar cell module according to claim 1, wherein the solar cell module has a format a x B, wherein a is the number of cell strings and B is the number of whole solar cells per string, and wherein the format of the solar cell module comprises 5 x 8, 5 x 9, 5 x 10, 5 x 11, 5 x 12, 6 x 8, 6 x 9, 6 x 10, 6 x 11, 6 x 12, 8 x 5, 8 x 6, 9 x 5, 9 x 6, 9 x 7, 10 x 5, 10 x 6, 10 x 7, 11 x 5, 11 x 6, 12 x 5, 12 x 6.
8. The solar cell module according to claim 1, wherein the solar cell module has a format a × C, wherein a is the number of cell strings and C is the number of segmented solar cells per string, and wherein the format of the solar cell module comprises 5 × 16, 5 × 18, 5 × 20, 5 × 22, 5 × 24, 6 × 16, 6 × 18, 6 × 20, 6 × 22, 6 × 24, 8 × 10, 8 × 12, 10 × 10, 10 × 12, 10 × 14, 12 × 10, 12 × 12.
9. The solar cell module as claimed in claim 1, wherein the number of the main grids of the solar cell is 5 to 12.
10. The solar cell module of claim 1 wherein the solar cell is a P-type PERC single sided solar cell or a P-type PERC double sided solar cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920872590.5U CN210167367U (en) | 2019-06-11 | 2019-06-11 | Solar cell module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920872590.5U CN210167367U (en) | 2019-06-11 | 2019-06-11 | Solar cell module |
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| CN210167367U true CN210167367U (en) | 2020-03-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022007290A1 (en) * | 2020-07-04 | 2022-01-13 | 上迈(镇江)新能源科技有限公司 | Photovoltaic mounting system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022007290A1 (en) * | 2020-07-04 | 2022-01-13 | 上迈(镇江)新能源科技有限公司 | Photovoltaic mounting system |
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