CN104882504A - Solar module structure - Google Patents
Solar module structure Download PDFInfo
- Publication number
- CN104882504A CN104882504A CN201510340832.2A CN201510340832A CN104882504A CN 104882504 A CN104882504 A CN 104882504A CN 201510340832 A CN201510340832 A CN 201510340832A CN 104882504 A CN104882504 A CN 104882504A
- Authority
- CN
- China
- Prior art keywords
- cell piece
- battery strings
- solar components
- main grid
- components structure
- 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.)
- Pending
Links
- 238000003466 welding Methods 0.000 claims description 30
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 229910000679 solder Inorganic materials 0.000 abstract description 3
- 230000007423 decrease Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 4
- 239000012634 fragment Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 241000500881 Lepisma Species 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/05—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells
- H01L31/0504—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells specially adapted for series or parallel connection of solar cells in a module
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/0224—Electrodes
- H01L31/022408—Electrodes for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/022425—Electrodes for devices characterised by at least one potential jump barrier or surface barrier for solar cells
-
- 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
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Sustainable Energy (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a solar module structure, comprising battery pieces. The front surface of the battery piece is provided with a front surface electrode, and the back surface is provided with a back surface electrode. The front surface electrode comprises a main grid arranged on the left edge of the battery piece. The back surface electrode is on the right edge of the battery piece, and is parallel with the main grid. A plurality of battery pieces are connected in a stack manner to form a battery string through the main grids of adjacent battery pieces and the back surface electrodes. Adjacent battery strings are connected with each other. In a manufacturing process of the solar module structure, the main grids of the front surface electrodes of the battery pieces and the back electrodes directly contact and stack up, so as to prevent using solder strips to connect the front surfaces and the back surfaces of the battery pieces, thereby reducing use amount of module solder strips, reducing light shading area, and improving utilization efficiency of sunlight irradiated on the solar module structure, and improving module power.
Description
Technical field
The invention belongs to technical field of solar, be specifically related to a kind of solar components structure.
Background technology
Solar components is a kind of is directly the device of electric energy by light energy conversion based on photovoltaic effect.Conventional structure crystal silicon solar batteries generally adopts more than 1 main grid to arrange between two parties in cell piece front and the back side, and secondary grid line and main grid vertical center are uniformly distributed, and the position of back electrode is consistent with positive electrode main grid.In current assembly is produced, welding must be used to be connected at the back side of the front of cell piece with adjacent cell sheet, composition series circuit.Like this be designed with following feature:
Cell piece is made assembly and welding must be used to weld, and the stress of welding can cause cell piece fragment; The temperature of welding can destroy the PN junction of cell piece;
The shading-area of welding is comparatively large, and the power loss caused thus is 3% ~ 4%;
When the solar cell of this kind of structure forms assembly, battery directly must keep certain gap with battery, and bending in order to welding, this is apart from too small, and fragment rate can be caused to rise.
Summary of the invention
The invention provides a kind of solar components structure, decrease the use amount of assembly welding, improve component power.
For solving the problems of the technologies described above, embodiments provide a kind of solar components structure, comprise cell piece, wherein, the front of described cell piece is provided with front electrode, the back side is provided with backplate, described front electrode comprises the main grid being arranged on described cell piece left hand edge, described backplate is positioned at the right hand edge of described cell piece, and it is parallel with described main grid, described in polylith between cell piece by the main grid of adjacent described cell piece with back electrode is stacked connects to form battery strings, be interconnected between adjacent described battery strings.
Preferably, the main grid of adjacent described cell piece and back electrode pass through conducting resin adhesion.
Preferably, described battery strings comprises 2 ~ 15 described cell pieces.
Preferably, the quantity of described battery strings is even number.
Preferably, the placement direction of the cell piece of the same position of adjacent described battery strings is contrary, and adjacent described battery strings is connected by busbar.
Preferably, also comprise terminal box, do not carry out stacked described main grid in described battery strings and use busbar to be connected with described terminal box with described back electrode.
Preferably, described busbar is the busbar adopting described conducting resinl and welding collocation.
Compared with prior art, the described solar components structure that the embodiment of the present invention provides has following beneficial effect:
The described solar components structure that the embodiment of the present invention provides, comprise cell piece, wherein, the front of described cell piece is provided with front electrode, the back side is provided with backplate, described front electrode comprises the main grid being arranged on described cell piece left hand edge, described backplate is positioned at the right hand edge of described cell piece, and it is parallel with described main grid, described in polylith between cell piece by the main grid of adjacent described cell piece with back electrode is stacked connects to form battery strings, be interconnected between adjacent described battery strings.
Described solar components structure is in the process made, the main grid of the front electrode of described cell piece is made directly to contact stacked with described back electrode, thus eliminate the front and the back side that use welding to connect described cell piece, decrease the use amount of assembly welding, simplify welding procedure, decrease shading-area, decrease the manufacturing cost of assembly, improve the utilization ratio to the sunlight being irradiated to described solar components structure, improve component power.
In sum, the described solar components structure that the embodiment of the present invention provides, stacked by between adjacent described battery, decreases the use amount of assembly welding, decreases shading-area, improve component power.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention 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 some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The left view of the cell piece in the solar module structure that Fig. 1 provides for the embodiment of the present invention;
The structural representation of the battery strings in the solar module structure that Fig. 2 provides for the embodiment of the present invention;
The connection diagram of the cell piece between the battery strings in the solar module structure that Fig. 3 provides for the embodiment of the present invention.
Embodiment
Just as described in the background section, assembly of the prior art must use welding to be connected at the back side of the front of cell piece with adjacent cell sheet in producing, composition series circuit, making cell piece make assembly must use welding to weld, and the stress of welding can cause cell piece fragment; The temperature of welding can destroy the PN junction of cell piece; The shading-area of welding is comparatively large, and the power loss caused thus is 3% ~ 4%; When the solar cell of this kind of structure forms assembly, battery directly must keep certain gap with battery, and bending in order to welding, this is apart from too small, and fragment rate can be caused to rise.
Based on this, embodiments provide a kind of solar components structure, comprise cell piece, wherein, the front of described cell piece is provided with front electrode, the back side is provided with backplate, described front electrode comprises the main grid being arranged on described cell piece left hand edge, described backplate is positioned at the right hand edge of described cell piece, and it is parallel with described main grid, described in polylith between cell piece by the main grid of adjacent described cell piece with back electrode is stacked connects to form battery strings, be interconnected between adjacent described battery strings.
In sum, described solar components structure is in the process made, the main grid of the front electrode of described cell piece is made directly to contact stacked with described back electrode, thus eliminate the front and the back side that use welding to connect described cell piece, decrease the use amount of assembly welding, decrease shading-area, simplify welding procedure, decrease the manufacturing cost of assembly, improve the utilization ratio to the sunlight being irradiated to described solar components structure, improve component power.
For enabling above-mentioned purpose of the present invention, feature and advantage more become apparent, and are described in detail the specific embodiment of the present invention below in conjunction with accompanying drawing.
Set forth detail in the following description so that fully understand the present invention.But the present invention can be different from alternate manner described here to implement with multiple, those skilled in the art can when without prejudice to doing similar popularization when intension of the present invention.Therefore the present invention is not by the restriction of following public concrete enforcement.
The left view of the cell piece in the solar module structure provided for the embodiment of the present invention with reference to figure 1 and Fig. 2, Fig. 1; The structural representation of the battery strings in the solar module structure that Fig. 2 provides for the embodiment of the present invention.
In a kind of embodiment, described solar components structure, comprise cell piece 10, wherein, the front of described cell piece 10 is provided with front electrode 11, the back side is provided with backplate 12, described front electrode 11 comprises the main grid being arranged on described cell piece 10 left hand edge, described backplate 12 is positioned at the right hand edge of described cell piece 10, and it is parallel with described main grid, described in polylith between cell piece 10 by the main grid of adjacent described cell piece 10 with back electrode is stacked connects to form battery strings 100, adjacent described battery strings 100 connects.It should be noted that, described solar module structure is except the set-up mode of above-mentioned cell piece 10 is different from existing assembly, the order of component lamination is consistent with general components, for glass-EVA-cell piece 10-EVA-backboard, the material used is not limited to a kind, can to arrange in pairs or groups different glass, EVA, backboard, busbar, conducting resinl, terminal box, frame and different efficiency shelves or the close cell piece 10 of pattern according to the demand of order.
Preferably, the main grid of adjacent described cell piece 10 and back electrode pass through conducting resin adhesion.Because the described main grid of cell piece 10 and the width of back electrode are micron-sized, use conducting resinl can realize very high linear resolution, improve adhesion precision.The operation of conducting resinl is simple, is easy to operation, substitutes traditional slicker solder welding, can enhance productivity.It should be noted that, the present invention is not specifically limited described conducting resinl.
On the basis of above-described embodiment, in a kind of embodiment of the present invention, described battery strings 100 comprises 2 ~ 15 described cell pieces 10.Measure-alike due to cell piece 10 described in every sheet, power output is almost identical, the whole power of described solar components structure and the quantity of the described battery of single battery string 100 and the quantity positive correlation of battery strings 100.According to different power demands, select the battery strings 100 comprising varying number cell piece 10.It should be noted that, in general assembly, described battery strings 100 comprises 2 ~ 15 described cell pieces 10, and the quantity of the cell piece 10 comprised in described battery strings 100 can adjust according to the actual requirements further, and the present invention does not do concrete restriction to this.
On the basis of above-described embodiment, in a kind of embodiment of the present invention, the quantity of described battery strings 100 is even numbers.The quantity of described battery strings 100 is even numbers, the electrode that described solar components structure is outwards drawn is in the both sides of described battery strings 100, described solar components structure generally uses busbar to outer lead, be arranged so that like this when to outer lead, the technique of busbar becomes simple, the interval of whole circuit anode busbar and negative bus bar is comparatively far away, improves the safety in operation of described solar module structure.It should be noted that, as long as the quantity of described battery strings 100 is even numbers, the quantity of the present invention to described battery strings 100 is not specifically limited.
On the basis of above-described embodiment, in a kind of embodiment of the present invention, as described in Figure 3, the placement direction of the cell piece 10 of the same position of adjacent described battery strings 100 is contrary, and adjacent described battery strings 100 is connected by busbar.Adjacent described battery strings 100 series connection can improve the output voltage of described solar components structure, reduce electric current, reduce the Joule heat produced in running, reduce the temperature of described solar components structure, improve the operational reliability of described solar components structure, reduce aging speed.
On the basis of above-described embodiment, in a kind of embodiment of the present invention, also comprise terminal box, do not carry out stacked described main grid in described battery strings 100 and use busbar to be connected with described terminal box with described back electrode.There is in described solar components structure the described battery strings 100 that many strings are parallel, the electrode at the two ends of middle described battery strings 100 all with the Electrode connection of adjacent described battery strings 100, the described battery strings 100 of the first row with all only have one end in the described battery strings 100 of last column and be connected with other battery strings 100, be connected with described terminal box by these two contact conductors, simplify the technology difficulty of confluxing and going between, reduce production cost.Meanwhile, described battery strings 100 is connected in series, maximum output voltage can be obtained, reduce the heat produced in running, improve the reliability of assembly operating.
On the basis of above-described embodiment, in a kind of embodiment of the present invention, described busbar is the busbar adopting described conducting resinl and welding collocation.The busbar used in the process that is connected with described terminal box of going between from described battery strings 100 can be the busbar that common welding is made, and also can be to use conducting resinl to make busbar, part welding can also be used to add partially conductive glue and make busbar.Conducting resinl is different with the use cost of welding, and technology difficulty when making busbar is different, during practical operation, answers combined process difficulty and production cost to determine to use different busbars.
In sum, described solar components structure is in the process made, the main grid of the front electrode of described cell piece is made directly to contact stacked with described back electrode, thus eliminate the front and the back side that use welding to connect described cell piece, decrease the use amount of assembly welding, decrease shading-area, simplify welding procedure, decrease the manufacturing cost of assembly, improve the utilization ratio to the sunlight being irradiated to described solar components structure, improve component power.
Above solar components structure provided by the present invention is described in detail.Apply specific case herein to set forth principle of the present invention and execution mode, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection range of the claims in the present invention.
Claims (7)
1. a solar components structure, it is characterized in that, comprise cell piece, wherein, the front of described cell piece is provided with front electrode, the back side is provided with backplate, described front electrode comprises the main grid being arranged on described cell piece left hand edge, and described backplate is positioned at the right hand edge of described cell piece, and parallel with described main grid, described in polylith between cell piece by the main grid of adjacent described cell piece with back electrode is stacked connects to form battery strings, be interconnected between adjacent described battery strings.
2. solar components structure as claimed in claim 1, it is characterized in that, main grid and the back electrode of adjacent described cell piece pass through conducting resin adhesion.
3. solar components structure as claimed in claim 2, it is characterized in that, described battery strings comprises 2 ~ 15 described cell pieces.
4. solar components structure as claimed in claim 3, it is characterized in that, the quantity of described battery strings is even number.
5. solar components structure as claimed in claim 4, is characterized in that, the placement direction of the cell piece of the same position of adjacent described battery strings is contrary, and adjacent described battery strings is connected by busbar.
6. solar components structure as claimed in claim 5, is characterized in that, also comprise terminal box, does not carry out stacked described main grid and use busbar to be connected with described terminal box with described back electrode in described battery strings.
7. solar components structure as claimed in claim 6, is characterized in that, described busbar is the busbar adopting described conducting resinl and welding collocation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510340832.2A CN104882504A (en) | 2015-06-17 | 2015-06-17 | Solar module structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510340832.2A CN104882504A (en) | 2015-06-17 | 2015-06-17 | Solar module structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104882504A true CN104882504A (en) | 2015-09-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510340832.2A Pending CN104882504A (en) | 2015-06-17 | 2015-06-17 | Solar module structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN104882504A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106684190A (en) * | 2017-02-09 | 2017-05-17 | 宁波市富星电子有限公司 | Overlapping structure for solar panel |
| CN106920854A (en) * | 2017-04-20 | 2017-07-04 | 泰州中来光电科技有限公司 | A kind of densely arranged solar cell string and preparation method and its component, system |
| CN108987509A (en) * | 2018-08-03 | 2018-12-11 | 浙江爱旭太阳能科技有限公司 | Two-sided imbrication solar cell module and preparation method |
| CN109599454A (en) * | 2018-12-29 | 2019-04-09 | 苏州腾晖光伏技术有限公司 | A kind of rear surface of solar cell structure design |
| CN110164988A (en) * | 2019-06-02 | 2019-08-23 | 苏州英鹏新能源有限公司 | Solar battery sheet component |
| CN111091444A (en) * | 2019-11-28 | 2020-05-01 | 西安隆基绿能智能技术合伙企业(有限合伙) | Solar cell matching method and device and electronic equipment |
| WO2020237854A1 (en) * | 2019-05-28 | 2020-12-03 | 浙江晶科能源有限公司 | Photovoltaic cell array and photovoltaic assembly |
| CN112563358A (en) * | 2020-12-14 | 2021-03-26 | 浙江大学 | Double-glass laminated tile photovoltaic module |
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| CN101226968A (en) * | 2007-01-17 | 2008-07-23 | 易斌宣 | Method for reducing series resistance value of light gathering solar battery and light gathering solar battery obtained by the method |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106684190A (en) * | 2017-02-09 | 2017-05-17 | 宁波市富星电子有限公司 | Overlapping structure for solar panel |
| CN106920854A (en) * | 2017-04-20 | 2017-07-04 | 泰州中来光电科技有限公司 | A kind of densely arranged solar cell string and preparation method and its component, system |
| CN106920854B (en) * | 2017-04-20 | 2018-07-31 | 泰州中来光电科技有限公司 | A kind of densely arranged solar cell string and preparation method and its component, system |
| CN108987509A (en) * | 2018-08-03 | 2018-12-11 | 浙江爱旭太阳能科技有限公司 | Two-sided imbrication solar cell module and preparation method |
| CN109599454A (en) * | 2018-12-29 | 2019-04-09 | 苏州腾晖光伏技术有限公司 | A kind of rear surface of solar cell structure design |
| WO2020237854A1 (en) * | 2019-05-28 | 2020-12-03 | 浙江晶科能源有限公司 | Photovoltaic cell array and photovoltaic assembly |
| CN110164988A (en) * | 2019-06-02 | 2019-08-23 | 苏州英鹏新能源有限公司 | Solar battery sheet component |
| CN111091444A (en) * | 2019-11-28 | 2020-05-01 | 西安隆基绿能智能技术合伙企业(有限合伙) | Solar cell matching method and device and electronic equipment |
| CN111091444B (en) * | 2019-11-28 | 2023-09-26 | 西安隆基智能技术有限公司 | Solar cell matching method and device and electronic equipment |
| CN112563358A (en) * | 2020-12-14 | 2021-03-26 | 浙江大学 | Double-glass laminated tile photovoltaic module |
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Application publication date: 20150902 |
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