CN205142110U - Efficiency of photovoltaic module is shaded and absorbs is improved device - Google Patents

Efficiency of photovoltaic module is shaded and absorbs is improved device Download PDF

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Publication number
CN205142110U
CN205142110U CN201520986909.9U CN201520986909U CN205142110U CN 205142110 U CN205142110 U CN 205142110U CN 201520986909 U CN201520986909 U CN 201520986909U CN 205142110 U CN205142110 U CN 205142110U
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CN
China
Prior art keywords
reflection part
photovoltaic module
light
glass assembly
efficiency
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Active
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CN201520986909.9U
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Chinese (zh)
Inventor
郝彦磊
福克斯·斯蒂芬
蒋方丹
金浩
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Zhejiang Jinko Solar Co Ltd
Jinko Solar Co Ltd
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Zhejiang Jinko Solar Co Ltd
Jinko Solar Co Ltd
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Priority to CN201520986909.9U priority Critical patent/CN205142110U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/10Photovoltaic [PV]
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/52PV systems with concentrators

Abstract

The utility model discloses an efficiency of photovoltaic module is shaded and absorbs is improved device, including the reflection part, the reflection part sets up in beneath ground or the roof of two glass photovoltaic module for arrive the received light reflex two glass photovoltaic module's the back. Efficiency of photovoltaic module is shaded and absorbs is improved device, through installing the reflection part on ground at installation dual glass assembly or the roof, make and to shine the back of the light reflex of reflection part department to dual glass assembly through throwing perhaps diffuse reflection originally, absorbed by photovoltaic module's back battery and utilize, the efficiency of to positive light absorption is improved, simultaneously because bottom surface under the reflection part or roof can not absorb the light of the reflection part that the aforesaid shines, can not radiate out heat or steam, avoid the harm that causes to dual glass assembly. Because the reflection part just will pass through the back that dual glass assembly was arrived in photovoltaic module's the irreflexive light reflex of light sum, the manufacturing process of reflection part is simple, and is with low costs.

Description

A kind of device improving photovoltaic module backlight absorption efficiency
Technical field
The utility model relates to photovoltaic cell manufacturing field, particularly relates to a kind of polycrystalline silicon texturing roller.
Background technology
Two glass assembly needs the maximum utilization realizing backlight, and general assembly is arranged on ground or roof, and it is only more limited that module backside absorbs.
At assembly end, when how solution improves this problem of solar energy utilization ratio, the focal point of numerous researcher concentrates on assembly one end mostly, and relatively less to the research of ground reverberation utilization.Especially occupy the weather of very large component in diffuse reflection, the quantity of backlight is very considerable, can account for more than 30%.How to make full use of this part of light radiation, surely can cause at the critical point that battery efficiency cannot make a breakthrough and greatly pay close attention to and study.
Utility model content
The purpose of this utility model is to provide a kind of polycrystalline silicon texturing roller, reduces the existence of rolling wheel stamp, improves making herbs into wool effect.
For solving the problems of the technologies described above, the utility model embodiment provides a kind of device improving photovoltaic module backlight absorption efficiency, comprise reflection part, described reflection part is arranged at ground under two glass photovoltaic module or roof, for the light received being reflexed to the back side of described pair of glass photovoltaic module.
Wherein, described reflection part is speculum.
Wherein, described reflection part is the reflection part that surface is provided with aluminium foil.
Wherein, the surface of described reflection part is provided with multiple pyramid structure or multiple V-type groove structure longitudinally arranged.
Wherein, the surface of described pyramid structure or described V-type groove structure is provided with and increases anti-film.
Wherein, the angle on the inclined-plane of described pyramid structure and the surface of described reflection part is 60 °, or the angle on the described inclined-plane of V-type groove structure and the surface of described reflection part is 60 °.
The device of the raising photovoltaic module backlight absorption efficiency that the utility model embodiment provides, compared with prior art, has the following advantages:
The device of the raising photovoltaic module backlight absorption efficiency that the utility model embodiment provides, comprise reflection part, described reflection part is arranged at ground under two glass photovoltaic module or roof, for the light received being reflexed to the back side of described pair of glass photovoltaic module.
The device of described raising photovoltaic module backlight absorption efficiency, by installing reflection part on the ground of installing two glass assembly or roof, make the back side light being originally irradiated to reflection part place by projection or diffuse reflection being reflexed to pair glass assembly, absorbed by the back side battery of photovoltaic module, improve the absorption efficiency to sunlight, simultaneously because the bottom surface under reflection part or roof can not absorb the light of the above-mentioned reflection part be irradiated to, heat or steam can not be given off, avoid causing damage to two glass assembly, improve the useful life of two glass assembly.Because reflection part just will reflex to the back side of two glass assembly transmitted through the light of photovoltaic module and irreflexive light, the manufacturing process of reflection part is simple, and cost is low.
In sum, the device of the raising photovoltaic module backlight absorption efficiency described in the utility model embodiment, by reflection part being arranged at ground under two glass photovoltaic module or roof, improves efficiency of light absorption and the useful life of two glass assembly.
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 embodiments more 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 these accompanying drawings.
The device of the raising photovoltaic module backlight absorption efficiency that Fig. 1 provides for the utility model embodiment and the position relationship schematic diagram of two glass assembly.
Embodiment
Just as described in the background section, two glass assembly needs the maximum utilization realizing backlight at present, and general assembly is arranged on ground or roof, and it is only more limited that module backside absorbs.Occupy the weather of very large component in diffuse reflection, the quantity of backlight is very considerable, can account for more than 30%.How to make full use of this part of light radiation, surely can cause at the critical point that battery efficiency cannot make a breakthrough and greatly pay close attention to and study.
Based on this, the utility model embodiment provides a kind of device improving photovoltaic module backlight absorption efficiency, comprise reflection part, described reflection part is arranged at ground under two glass photovoltaic module or roof, for the light received being reflexed to the back side of described pair of glass photovoltaic module.
In sum, the device of the raising photovoltaic module backlight absorption efficiency that the utility model embodiment provides, by installing reflection part on the ground of installing two glass assembly or roof, make the back side light being originally irradiated to reflection part place by projection or diffuse reflection being reflexed to pair glass assembly, absorbed by the back side battery of photovoltaic module, improve the absorption efficiency to sunlight, simultaneously because the bottom surface under reflection part or roof can not absorb the light of the above-mentioned reflection part be irradiated to, heat or steam can not be given off, avoid causing damage to two glass assembly, improve the useful life of two glass assembly.Because reflection part just will reflex to the back side of two glass assembly transmitted through the light of photovoltaic module and irreflexive light, the manufacturing process of reflection part is simple, and cost is low.
For enabling above-mentioned purpose of the present utility model, feature and advantage more become apparent, and are described in detail embodiment of the present utility model below in conjunction with accompanying drawing.
Set forth detail in the following description so that fully understand the utility model.But the utility model can be different from alternate manner described here to implement with multiple, those skilled in the art can when doing similar popularization without prejudice to when the utility model intension.Therefore the utility model is not by the restriction of following public concrete enforcement.
Please refer to Fig. 1, the device of the raising photovoltaic module backlight absorption efficiency that Fig. 1 provides for the utility model embodiment and the position relationship schematic diagram of two glass assembly.
In the concrete mode of one, the device of described raising photovoltaic module backlight absorption efficiency, comprise reflection part 10, described reflection part 10 is arranged at ground under two glass photovoltaic module or roof, for the light received being reflexed to the back side of described pair of glass photovoltaic module.
The device of described raising photovoltaic module backlight absorption efficiency, by installing reflection part 10 on the ground of installing two glass assembly 20 or roof, make the back side light being originally irradiated to reflection part 10 place by projection or diffuse reflection being reflexed to pair glass assembly 20, absorbed by the back side battery of photovoltaic module, improve the absorption efficiency to sunlight, simultaneously because the bottom surface under reflection part 10 or roof can not absorb the light of the above-mentioned reflection part 10 be irradiated to, heat or steam can not be given off, avoid causing damage to two glass assembly 20, improve the useful life of two glass assembly 20.Because reflection part 10 just will reflex to the back side of two glass assembly 20 transmitted through the light of photovoltaic module and irreflexive light, the manufacturing process of reflection part 10 is simple, manufacturing cost and installation cost low.
The effect of the reflection part 10 in the utility model is by from the light of two glass assembly 20 transmission and irreflexive luminous directional reflectance to the back side of two glass assembly 20, and therefore described reflection part 10 is speculum, and the reflection efficiency of speculum to light is higher, low cost of manufacture.It should be noted that, the utility model is not specifically limited the material of described speculum and reflection efficiency, as long as the minute surface of speculum is plane.
Described reflection part 10 can be speculum as described above, reflecting part and support section are structure as a whole, also can be described reflection part 10 and support section be two parts, the surface of support section is fixed on by modes such as stickups, as as described in reflection part 10 be that surface is provided with the reflection part 10 of aluminium foil, be arranged on support section by aluminium foil, it should be noted that, the utility model can also use the reflectance coating of other type, and the combination of the utility model to described reflecting part and described reflecting part and support section is not specifically limited.
But not all place is all provided with photovoltaic cell on two glass assembly 20, use the mode of plane reflection still can reflex to gap between photovoltaic Battery pack by some light, can improve the utilization ratio of reverberation, the surface of described reflection part 10 is provided with multiple pyramid structure or multiple V-type groove structure longitudinally arranged.Described pyramid structure is tetrahedron or rectangular pyramid, and described pyramid structure and described V-type groove, can directed photovoltaic cells reverberation being irradiated to double wave assembly by particular design, improve optical energy utilization efficiency.
It should be noted that, the utility model is not specifically limited the quantity of described pyramid structure or described V-type groove and manufacture, described pyramid structure or described V-type groove can be that other independent individuality is combined with reflection part 10, also can be carry out processing by the reflection part 10 neat to plane to obtain, the novel generation type to described pyramid structure and described V-type groove of this use and concrete shape size are not specifically limited, and are not specifically limited in the concrete distribution density of described reflection part 10 described pyramid structure and described V-type groove.
Multiple described pyramid structure or multiple described V-type groove can be identical, also can be different, generally multiple pyramid structure being designed to identical, can manufacturing process being reduced like this, simultaneously also easily when adjusting position reaching maximum by the reflection efficiency adjustment of two glass assembly 20.
Multiple described pyramid structure can be adjacent, can between there is gap, or multiple described V-type groove can be adjacent, also can between there is gap.
Due to the back side that described reflection part 10 is by reflexing to two glass assembly 20 transmitted through the light of two glass assembly 20 and irreflexive light, the surface of reflection part 10 is not generally and plane-parallel, but with horizontal plane at angle, by longitudinally arranging V-type groove, make when running into sleety weather, the rainwater dropping to described reflection part 10 surface is walked by V-type concentrated flow, and if surface arranges the reflection part 10 of pyramid structure, the rainwater on surface is easy to drain, can easily recover originally to transmitted light and the albedo diffused after making sleet sky, improve the efficiency of light absorption of two glass assembly 20.
For improving the reflection efficiency to being irradiated to reflection part 10 and reflexing to two glass assembly 20, the surface of described pyramid structure or described V-type groove structure is provided with and increases anti-film, by arrange increase anti-film improve to the surface of described catoptric arrangement or described V-type groove structure light reflection efficiency, improve the light energy arriving two glass assemblies 20, improve the efficiency of light absorption of two glass assembly 20.It should be noted that, the mode of the utility model to the making material of the anti-film of described increasing, thickness and the surface that is set to described pyramid structure or described V-type groove structure does not limit.
For improving reflection part 10 to the reflecting surface body diffused, improve the efficiency of light absorption of two glass assembly 20, the angle on the inclined-plane of described pyramid structure and the surface of described reflection part 10 is generally 60 °, or the angle on the described inclined-plane of V-type groove structure and the surface of described reflection part 10 is generally 60 °.Plane due to the surperficial place of reflection part 10 is not generally horizontal plane, and the reflection between can making so more to diffuse by pyramid structure or the reflection between V-type rooved face arrive the back side of two glass assembly 20.It should be noted that, the angle on the inclined-plane of described pyramid structure and the surface of described reflection part 10, or the angle on the described inclined-plane of V-type groove structure and the surface of described reflection part 10 can also be other angle, if but this angle is very large, very weak to the albedo diffused, but angle is too little, will die down to the albedo of transmitted light, and therefore need to consider to transmitted light and the reflection that diffuses to design described angle.
In sum, the device of the raising photovoltaic module backlight absorption efficiency that the utility model embodiment provides, by installing reflection part on the ground of installing two glass assembly or roof, make the back side light being originally irradiated to reflection part place by projection or diffuse reflection being reflexed to pair glass assembly, absorbed by the back side battery of photovoltaic module, improve the absorption efficiency to sunlight, simultaneously because the bottom surface under reflection part or roof can not absorb the light of the above-mentioned reflection part be irradiated to, heat or steam can not be given off, avoid causing damage to two glass assembly, improve the useful life of two glass assembly.Because reflection part just will reflex to the back side of two glass assembly transmitted through the light of photovoltaic module and irreflexive light, the manufacturing process of reflection part is simple, and cost is low.
Above the device of raising photovoltaic module backlight absorption efficiency provided by the utility model is described in detail.Apply specific case herein to set forth principle of the present utility model and execution mode, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection range of the utility model claim.

Claims (6)

1. improve a device for photovoltaic module backlight absorption efficiency, it is characterized in that, comprise reflection part, described reflection part is arranged at ground under two glass photovoltaic module or roof, for the light received being reflexed to the back side of described pair of glass photovoltaic module.
2. the device improving photovoltaic module backlight absorption efficiency as claimed in claim 1, it is characterized in that, described reflection part is speculum.
3. the device improving photovoltaic module backlight absorption efficiency as claimed in claim 1, it is characterized in that, described reflection part is the reflection part that surface is provided with aluminium foil.
4. improve the device of photovoltaic module backlight absorption efficiency as claimed in claim 2 or claim 3, it is characterized in that, the surface of described reflection part is provided with multiple pyramid structure or multiple V-type groove structure longitudinally arranged.
5. the device improving photovoltaic module backlight absorption efficiency as claimed in claim 4, is characterized in that, the surface of described pyramid structure or described V-type groove structure is provided with and increases anti-film.
6. the device improving photovoltaic module backlight absorption efficiency as claimed in claim 5, it is characterized in that, the angle on the inclined-plane of described pyramid structure and the surface of described reflection part is 60 °, or the angle on the described inclined-plane of V-type groove structure and the surface of described reflection part is 60 °.
CN201520986909.9U 2015-12-01 2015-12-01 Efficiency of photovoltaic module is shaded and absorbs is improved device Active CN205142110U (en)

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Application Number Priority Date Filing Date Title
CN201520986909.9U CN205142110U (en) 2015-12-01 2015-12-01 Efficiency of photovoltaic module is shaded and absorbs is improved device

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Application Number Priority Date Filing Date Title
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Publications (1)

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CN205142110U true CN205142110U (en) 2016-04-06

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106936382A (en) * 2017-02-21 2017-07-07 无锡优顺能源开发科技有限公司 A kind of method for increasing solar energy generating efficiency
CN107346955A (en) * 2017-06-30 2017-11-14 韩华新能源(启东)有限公司 A kind of photovoltaic module unit and photovoltaic generating system waterborne

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106936382A (en) * 2017-02-21 2017-07-07 无锡优顺能源开发科技有限公司 A kind of method for increasing solar energy generating efficiency
CN107346955A (en) * 2017-06-30 2017-11-14 韩华新能源(启东)有限公司 A kind of photovoltaic module unit and photovoltaic generating system waterborne

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