CN102122676A - A solar cell module structure - Google Patents
A solar cell module structure Download PDFInfo
- Publication number
- CN102122676A CN102122676A CN 201010572576 CN201010572576A CN102122676A CN 102122676 A CN102122676 A CN 102122676A CN 201010572576 CN201010572576 CN 201010572576 CN 201010572576 A CN201010572576 A CN 201010572576A CN 102122676 A CN102122676 A CN 102122676A
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- China
- Prior art keywords
- solar cell
- cell module
- modular structure
- framework
- solar
- Prior art date
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- 239000002184 metal Substances 0.000 claims abstract description 13
- 229910052751 metal Inorganic materials 0.000 claims abstract description 13
- 239000000758 substrate Substances 0.000 claims abstract description 7
- 239000000565 sealant Substances 0.000 claims abstract description 5
- 239000008393 encapsulating agent Substances 0.000 claims description 12
- 239000004698 Polyethylene Substances 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 229910021424 microcrystalline silicon Inorganic materials 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- -1 polyethylene Polymers 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 229910021419 crystalline silicon Inorganic materials 0.000 description 4
- 239000010408 film Substances 0.000 description 3
- 230000008676 import Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 230000002650 habitual effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Images
Classifications
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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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- Photovoltaic Devices (AREA)
Abstract
本发明提供了一种太阳能电池模组结构，包含一框架；一太阳能电池模组，设置在框架上，太阳能电池模组包含一基板和一上板体，之间填充封装剂并具有多个太阳能电池；一金属栅格，设置在框架上并位于太阳能电池模组上方，且不与太阳能电池模组接触，该金属栅格电性接地。本发明提供的太阳能电池模组结构可在产生雷击时，将电流导入地面，避免瞬间巨大电流流经太阳能电池模组从而造成破坏。
The present invention provides a solar cell module structure, comprising a frame; a solar cell module, arranged on the frame, the solar cell module comprising a substrate and an upper plate body, between which a sealant is filled and a plurality of solar cells are provided; a metal grid, arranged on the frame and located above the solar cell module, and not in contact with the solar cell module, the metal grid being electrically grounded. The solar cell module structure provided by the present invention can conduct current to the ground when a lightning strike occurs, so as to avoid instantaneous huge current flowing through the solar cell module and causing damage.
Description
Technical field
The invention relates to a kind of solar cell modular structure, especially about a kind of solar cell modular structure that prevents to be struck by lightning and damage.
Background technology
Instantly, non-renewable energy resources such as electric power, coal, oil signal for help repeatedly, and energy problem becomes the bottleneck of restriction international community economic development day by day.More and more countries comes into effect " sunlight program ", develops solar energy resources, seeks the new power of economic development.Under the promotion of international photovoltaic market great potential, solar cell creates a new industry.
Global solar battery industry 1994-2004 increased by 17 times in 10 years, and manufacture of solar cells mainly is distributed in Japan, Europe and the U.S..The global solar battery scale of installing had reached 1744MW in 2006, grew up 19% than 2005, and the whole market output value formally breaks through 10,000,000,000 dollars of high pointes.The global solar battery production reached 3436MW in 2007, had increased by 56% than 2006.
At present, China has become the main manufacture of solar cells state in the whole world.National solar cell yield reached 1188MW in 2007, increased by 293% on a year-on-year basis.China has successfully surmounted Europe, Japan is world's manufacture of solar cells first big country.On industrial pattern, China's solar cell industry has formed certain situation of gathering.In the Yangtze River Delta, the ring Bohai Sea, Pearl River Delta, central and west regions, formed the solar energy industry cluster that differs from one another.
Because of the atmosphere convection friction produces CHARGE DISTRIBUTION, module surface in the face of land can produce charge inducing in the cloud layer, causes discharge effect when charge density is too high easily and is struck by lightning.Using and installing of solar module must be positioned at outdoor open-air atmosphere, and therefore exist higher experience thunderbolt probability usually more than 25 years its service life.The transient voltage of thunderbolt is up to supreme megavolts up to ten thousand, and the module testing of production online production at present is six kilovolts only, therefore if solar module will inevitably cause function impaired when being struck by lightning out of doors.
Summary of the invention
In view of this, purpose of the present invention just provides a kind of solar cell modular structure, and in order to the damage of avoiding being struck by lightning to the solar cell module, it comprises a framework; One solar cell module is arranged on the framework, and the solar cell module comprises a substrate and a upper plate body, between fill encapsulants and have a plurality of solar cells; One metal grate is arranged on the framework and is positioned at solar cell module top, and does not contact the electrical ground connection of this metal grate with the solar cell module.
According to one embodiment of the invention, framework is an aluminium sash.
Preferably, upper plate body is a glass plate.
Preferably, solar cell module and framework contact position have sealant.
Preferably, encapsulants is low polyethylene foamed foamed plastics.
Wherein, solar cell is the microcrystalline silicon film silicon solar cell.
Use the advantage of solar cell modular structure provided by the invention to be, metal grate can import ground with the electrostatic charge on modular structure surface, reduce between cloud layer electric charge and modular structure surface charge and produce discharge effect, the probability that minimizing is struck by lightning, and when being struck by lightning, compare, the thunderbolt position is occurred on the metal grate with other exposed position, thereby high-tension current is imported ground, thereby avoid the moment huge current flow solar cell module of flowing through to damage.
Description of drawings
Fig. 1 illustrates the end view according to an existing solar cell modular structure.
Fig. 2 illustrates the solar cell modular structure end view according to one embodiment of the invention.
Fig. 3 illustrates the solar cell modular structure vertical view among Fig. 2.
Embodiment
Below will and describe clear explaination embodiments of the present invention in detail with accompanying drawing, for the purpose of simplifying accompanying drawing, some known habitual structures and assembly will illustrate in the mode of simple signal in the accompanying drawings.
Referring to Fig. 1, it illustrates the end view according to an existing solar cell modular structure.As shown in Figure 1, framework 100 is aluminium sash, and it is provided with on the ground, in order to carrying solar cell module.Solar cell module integral body is tabular, and it comprises substrate 102 and upper plate body 104, between fill encapsulants 106, and have a plurality of solar cells 108.Wherein, upper plate body 104 is glass plates, and the light direct irradiation is on upper plate body 104.In the present embodiment, encapsulants 106 is low polyethylene foamed foamed plastics (EVA), but not as limit.Encapsulants 106 is in order to the solar cell 108 between fixing base 102 and the upper plate body 104.Solar cell 108 is microcrystalline silicon film silicon solar cell (Thin Film Crystalline Silicon Solar Cell, C-Si Cell) in the present embodiment, and it utilizes photovoltaic effect that solar energy is converted into electric energy.Solar cell 108 is semiconductor photo diodes, and when solar irradiation was to photodiode, photodiode will become electric energy to the luminous energy of the sun, produces electric current.A plurality of solar cells 108 are together in series or parallel just becomes the solar cell module that big power output is arranged.Substrate 102 and upper plate body 104 and between solar cell 108 constitute tabular solar cell module with encapsulants 106, be arranged on the framework 100, promptly be parallel to ground and extend out from framework 100.For fear of electrical contact the between solar cell module and the framework 100, solar cell module and framework 100 contact positions have sealant 110, and it is an insulating material.Because the solar cell modular structure is arranged on the open air, when meeting with thunderbolt, high pressure up to ten thousand even up to a million will directly flow through the solar cell module, certainly will damage it.
Please in conjunction with reference Fig. 2 and Fig. 3, Fig. 2 illustrates the solar cell modular structure end view according to one embodiment of the invention, and Fig. 3 illustrates the solar cell modular structure vertical view among Fig. 2.As shown in the figure, framework 100 is aluminium sash, and it is provided with on the ground, in order to carrying solar cell module.Solar cell module integral body is tabular, and it comprises substrate 102 and upper plate body 104, between fill encapsulants 106, and have a plurality of solar cells 108.Wherein, upper plate body 104 is glass plates, and the light direct irradiation is on upper plate body 104.In the present embodiment, encapsulants 106 is low polyethylene foamed foamed plastics (EVA), but not as limit.Encapsulants 106 is in order to the solar cell 108 between fixing base 102 and the upper plate body 104.Solar cell 108 is microcrystalline silicon film silicon solar cell (Thin Film Crystalline Silicon Solar Cell, C-Si Cell) in the present embodiment.Substrate 102 and upper plate body 104 and between solar cell 108 constitute tabular solar cell module with encapsulants 106, be arranged on the framework 100, promptly be parallel to ground and extend out from framework 100.For fear of electrical contact the between solar cell module and the framework 100, solar cell module and framework 100 contact positions have sealant 110, and it is an insulating material.In order to reduce the infringement that thunderbolt causes, metal grate 200 is arranged on the framework 100, and is positioned at solar cell module top, and does not contact with the solar cell module, promptly be parallel to ground and the solar cell module extends out from framework 100, and electrical ground connection.Metal grate 200 is used conductivity good metal materials, is designed to latticedly, and big or small thickness distributes identical with battery surface electrode position in the solar cell module with the minimizing shading.When meeting with thunderbolt, electric current can select the lower metal grate of resistance 200 to transmit, thereby avoids high-tension current to damage the solar cell module like this.
The advantage of solar cell modular structure provided by the invention is, metal grate can import ground with the electrostatic charge on modular structure surface, reduce between cloud layer electric charge and modular structure surface charge and produce discharge effect, the probability that minimizing is struck by lightning, and when being struck by lightning, compare, the thunderbolt position is occurred on the metal grate with other exposed position, thereby high-tension current is imported ground, thereby avoid the moment huge current flow solar cell module of flowing through to damage.
Above, describe the specific embodiment of the present invention with reference to the accompanying drawings.But those skilled in the art can understand, and under situation without departing from the spirit and scope of the present invention, can also do various changes and replacement to the specific embodiment of the present invention.These changes and replace all drop in claims of the present invention institute restricted portion.
Claims (6)
1. a solar cell modular structure is characterized in that, described solar modules structure comprises:
One framework;
One solar cell module is arranged on the described framework, and described solar cell module comprises a substrate and a upper plate body, between fill encapsulants and have a plurality of solar cells;
One metal grate is arranged on the described framework and is positioned at described solar cell module top, and does not contact the electrical ground connection of described metal grate with described solar cell module.
2. solar cell modular structure according to claim 1 is characterized in that, described framework is an aluminium sash.
3. solar cell modular structure according to claim 1 is characterized in that, described upper plate body is a glass plate.
4. solar cell modular structure according to claim 1 is characterized in that, described solar cell module and described framework contact position have sealant.
5. solar cell modular structure according to claim 1 is characterized in that, described encapsulants is low polyethylene foamed foamed plastics.
6. solar cell modular structure according to claim 1 is characterized in that, described solar cell is the microcrystalline silicon film silicon solar cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010572576 CN102122676A (en) | 2010-11-29 | 2010-11-29 | A solar cell module structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010572576 CN102122676A (en) | 2010-11-29 | 2010-11-29 | A solar cell module structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102122676A true CN102122676A (en) | 2011-07-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010572576 Pending CN102122676A (en) | 2010-11-29 | 2010-11-29 | A solar cell module structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102122676A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013131296A1 (en) * | 2012-03-05 | 2013-09-12 | 友达光电股份有限公司 | Assembly for fixing solar module wire and solar module using same |
| WO2014026405A1 (en) * | 2012-08-14 | 2014-02-20 | 友达光电股份有限公司 | Solar device and combined frame thereof |
-
2010
- 2010-11-29 CN CN 201010572576 patent/CN102122676A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013131296A1 (en) * | 2012-03-05 | 2013-09-12 | 友达光电股份有限公司 | Assembly for fixing solar module wire and solar module using same |
| WO2014026405A1 (en) * | 2012-08-14 | 2014-02-20 | 友达光电股份有限公司 | Solar device and combined frame thereof |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110713 |