CN203118979U - Double-sided energy-gathering photocell - Google Patents

Double-sided energy-gathering photocell Download PDF

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Publication number
CN203118979U
CN203118979U CN2013200829468U CN201320082946U CN203118979U CN 203118979 U CN203118979 U CN 203118979U CN 2013200829468 U CN2013200829468 U CN 2013200829468U CN 201320082946 U CN201320082946 U CN 201320082946U CN 203118979 U CN203118979 U CN 203118979U
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China
Prior art keywords
crystalline silicon
photocell
condensing unit
translucent cover
beam condensing
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Expired - Fee Related
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CN2013200829468U
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Chinese (zh)
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陈桂林
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Individual
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Individual
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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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Abstract

The utility model discloses a double-sided energy-gathering photocell comprising a crystalline silicon transduction sheet and a condensing device, wherein the condensing device is matched with the crystalline silicon transduction sheet in arrangement to enable the working surface of the condensing device to reflect and gather light around the crystalline silicon transduction sheet and to enable the light to be gathered on the back of the crystalline silicon transduction sheet. The double-sided energy-gathering photocell has the beneficial effect that efficient power generation can be achieved by using only one crystalline silicon transduction sheet, and the back of the crystalline silicon transduction sheet can receive light multiple times stronger than natural light under the action of a reflective plate, thereby achieving an effect of double-sided energy-gathering power generation. Compared with traditional photovoltaic power generation, a plurality of crystalline silicon transduction sheets can be saved, large-area crystalline silicon transduction sheet laying is not required, the cost and production energy consumption of the photocell are greatly saved, and the popularization and application of the photovoltaic industry can be facilitated.

Description

A kind of two-sided cumulative photocell
Technical field
The utility model relates to a kind of photocell, is specifically related to a kind of two-sided cumulative photocell.
Background technology
On the solar energy up to now human available the cleanest and regenerative resource, along with the quickening of global warming step, extensively rise in the whole world based on the clean energy resource of photovoltaic industry.
In the present photovoltaic generation, the a large amount of crystalline silicon of general employing is laid to definite shape, absorb sunlight and produce electric power, its generating efficiency depends on the light-receiving area of crystalline silicon, this structure can be subjected to cost problem and puzzlements such as the production, energy consumption of crystalline silicon, add the generating efficiency problem of crystalline silicon itself, the all-round popularization that has restricted photovoltaic industry is popularized.
The utility model content
The purpose of this utility model is to provide and a kind of two-sided cumulative photocell, by adopting two-sided crystalline silicon transducing sheet and the beam condensing unit that all can be subjected to light, the light that does not expose on the crystalline silicon transducing sheet is focused to crystalline silicon transducing sheet another side, overcome the defective that the crystalline silicon utilance is low in the existing photovoltaic power generation technology, generating efficiency is low, thereby realized the purpose of this utility model.
The technical problem that the utility model solves can realize by the following technical solutions:
A kind of two-sided cumulative photocell, comprise crystalline silicon transducing sheet, this cumulative photocell also comprises a beam condensing unit, beam condensing unit and crystalline silicon transducing sheet are equipped with, make the working face of beam condensing unit reflect the light around the crystalline silicon transducing sheet and converge, make light converge on the back side of crystalline silicon transducing sheet.
In a specific embodiment of the present utility model, the cumulative photocell also comprises a translucent cover, and translucent cover is placed on the beam condensing unit, makes light see through on the working face that translucent cover shines beam condensing unit; Crystalline silicon transducing sheet is placed on the translucent cover, and its back side is corresponding with the working face of beam condensing unit.
It should be noted that especially beam condensing unit mainly comprises the reflector that a cross section is curved or parabola shaped.
It should be noted that especially beam condensing unit also comprises a support and a light angle automatic regulating equipment, reflector is placed on the support, and light angle automatic regulating equipment and support join.
It should be noted that especially the bottom centre position of reflector is provided with some louvres.
In a specific embodiment of the present utility model, translucent cover is a plane transparent glass.
In a specific embodiment of the present utility model, the cross section of translucent cover is trapezoidal.
It should be noted that especially, be furnished with heating resistance wire on the translucent cover.
The beneficial effects of the utility model are:
Only being suitable for a crystalline silicon transducing sheet just can efficiently generate electricity, its back side can obtain the illumination than natural light intensity several times under the effect of reflector, thereby form the effect of two-sided cumulative generating, compare with traditional photovoltaic generation, the utility model can be saved a large amount of crystalline silicon transducing sheets, need not large tracts of land and lay crystalline silicon transducing sheet, cost and the energy consumption of saving photovoltaic cell significantly are conducive to penetration and promotion and the application of photovoltaic industry.
Description of drawings
Fig. 1 is that a kind of two-sided cumulative photocell described in the utility model is at the schematic diagram of first specific embodiment.
Fig. 2 is that a kind of two-sided cumulative photocell described in the utility model is at the schematic diagram of second specific embodiment.
Fig. 3 is that a kind of two-sided cumulative photocell described in the utility model is at the schematic diagram of second specific embodiment.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with embodiment, further set forth the utility model.
As shown in Figure 1, a kind of two-sided cumulative photocell described in the utility model, it comprises a beam condensing unit 10, is located at translucent cover 30, crystalline silicon transducing sheet 31 on this beam condensing unit 10, and this beam condensing unit 10 comprises reflector 11 and the support 20 that is used for reflector 11.
Crystalline silicon transducing sheet 31 is used for carrying out photovoltaic generation, and it be the two-sided photo structure that is subjected to, and it comprises that the Chaoyang arranges, as to be used for directly absorbing sunlight sensitive surface 311 and the back sides relative with this sensitive surface 311, that be used for absorbing the sunlight that beam condensing unit reflects.Positive and negative electrode lead 32,33 leads to beam condensing unit 10 outsides from these crystalline silicon transducing sheet 31 two ends.
Translucent cover 30 is the horizontal glass plate of the high grade of transparency in the present embodiment; the two ends 301 of this translucent cover 30; 302 scribble fluid sealant; and match with beam condensing unit 10 and to constitute an annular seal space 12; the effect of protection beam condensing unit 10 surfaces and crystalline silicon transducing sheet 31 is played in sealing chamber 12; crystalline silicon transducing sheet 31 is folded in translucent cover 30 on the surface of annular seal space 12 inside by glass plate 312; make crystalline silicon transducing sheet 31 between glass plate 312 and translucent cover 30; can either make crystalline silicon transducing sheet 31 be suspended in beam condensing unit 10 tops like this, what can guarantee crystalline silicon transducing sheet 31 again is subjected to the light rate.
Simultaneously, this example also also is equipped with heating resistance wire in translucent cover 30 inboards, and it is used for melting and removing the long-pending snow and ice on translucent cover 30 surfaces.
Reflector 11 is specially a condenser in the present embodiment, and it has the sunlight that a cambered surface is used for reflecting ﹠ transmitting translucent cover 30, and with light focusing to crystalline silicon transducing sheet 31 and reflector 11 opposing backside surface; This reflector 11 is settled on the ground by support 20, and support 20 is fixed by bolt and ground; Support 20 is provided with the light angle automatic regulating equipment 21 in order to automatic adjusting support 20 all directions angles, it comprises that one adjusts bolt, can adjust according to the light angle that the direction at sunshine is regulated reflector 11 automatically, make reflector 11 always be in preferable light angle.
The angle of the installation position of translucent cover 30, reflector 11 sensitive surfaces, radian and the position of crystalline silicon transducing sheet 31 on translucent cover 30 are all through calculating, make that the sensitive surface 311 of crystalline silicon transducing sheet 31 always can be over against sunlight, and the sunlight around the crystalline silicon transducing sheet 31 can see through translucent cover 30 and shine on reflector 11, and as much as possible by reflector 11 reflections, focusing, the focus of final light drops on front side or the rear side of crystalline silicon transducing sheet 31, and namely light drops on the whole back side of crystalline silicon transducing sheet 31 equably through glass plate 312.
Condenser can be selected parabolic concentrator according to the actual requirements, perhaps slot light collection mirror etc.
Condenser inside also offers the louvre 13 for heat radiation, and in the present embodiment, louvre 13 is opened in reflector 11 bottoms.
Be second kind of embodiment of the present utility model as shown in Figures 2 and 3, in the present embodiment, translucent cover 40 is that a cross section is the cloche of antiparallelogram, it is by limit 42,43 and reflector 64 sealing and fixing of beam condensing unit 60, crystalline silicon transducing sheet 50 is located at the inboard on the limit 41 of this translucent cover 40, be located between translucent cover 40 and the glass plate 501, make crystalline silicon transducing sheet 31 be suspended in reflector 64 tops, and guarantee crystalline silicon transducing sheet 31 be subjected to the light rate; The member 61 of reflector 64 belows, the 62 common supports of forming, reflector 64 is located on the ground by support 61.
Light angle automatic regulating equipment 63 is arranged on the member 62, this light angle automatic regulating equipment 63 comprises that one adjusts bolt, identical with embodiment one, the irradiating angle that light angle automatic regulating equipment 63 can be followed the sun is adjusted, and makes reflector 64 be in preferable light angle constantly.
Present embodiment has been to change the structure of translucent cover compared to the difference of first embodiment, translucent cover 40 in the present embodiment is trapezoidal, its with have better focusing performance after reflector 64 matches, can be with more sunlight reflection around the crystalline silicon transducing sheet 50, focus to crystalline silicon transducing sheet 50, make the more sunlight of acquisition on the relative face of crystalline silicon transducing sheet 50 and reflector 64.
Other structures in the present embodiment are identical with first embodiment.
The utility model arranges the Chaoyang when concrete the use, the positive sunlight that directly absorbs of crystalline silicon transducing sheet carries out photovoltaic generation, light around the crystalline silicon transducing sheet sees through translucent cover, through reflexing to the back side of crystalline silicon transducing sheet, the i.e. two-sided sunlight that absorbs simultaneously of crystalline silicon transducing sheet after beam condensing unit reflection, the focusing equably; Support is adjusted the light angle of reflector automatically to adapt to the variation of sun irradiation angle by the light angle automatic regulating equipment.
When the utility model is installed in some cold districts, lay by heating resistance wire in the translucent cover, prevent translucent cover surface accumulated snow, stop that light enters beam condensing unit.
When the beam condensing unit internal temperature was higher, louvre can help heat radiation, prevents that the beam condensing unit internal temperature is too high.
The utility model with the solar ray collecting back reflection to crystalline silicon transducing sheet surface, take full advantage of the two-sided photovoltaic generation that carries out of crystalline silicon transducing sheet, only settle a minicrystal silicon transducing sheet efficiently to generate electricity, need not large tracts of land laying crystalline silicon transducing sheet can efficiently generate electricity, can save a large amount of crystalline silicon transducing sheets, installation cost and the energy consumption of greatly having saved photovoltaic generation.
Moreover, the utlity model has very strong environmental suitability, it adopts translucent cover that crystalline silicon transducing sheet and beam condensing unit are played a protective role, and lays resistance wire on the translucent cover it is not covered by accumulated snow or ice at cold district; Beam condensing unit is offered by louvre, can help heat radiation when temperature is higher.
The utility model compact conformation, each parts are easy to production and processing, have very strong practicality.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims (8)

1. two-sided cumulative photocell, comprise crystalline silicon transducing sheet, it is characterized in that, described cumulative photocell also comprises a beam condensing unit, described beam condensing unit and crystalline silicon transducing sheet are equipped with, make the working face of beam condensing unit reflect the light around the crystalline silicon transducing sheet and converge, make light converge on the back side of crystalline silicon transducing sheet.
2. a kind of two-sided cumulative photocell according to claim 1 is characterized in that described cumulative photocell also comprises a translucent cover, and described translucent cover is placed on the beam condensing unit, makes light see through on the working face that translucent cover shines beam condensing unit; Described crystalline silicon transducing sheet is placed on the translucent cover, and its back side is corresponding with the working face of beam condensing unit.
3. a kind of two-sided cumulative photocell according to claim 1 and 2 is characterized in that described beam condensing unit mainly comprises the reflector that a cross section is curved or parabola shaped.
4. a kind of two-sided cumulative photocell according to claim 3 is characterized in that, described beam condensing unit also comprises a support and a light angle automatic regulating equipment, and described reflector is placed on the support, and described light angle automatic regulating equipment and support join.
5. a kind of two-sided cumulative photocell according to claim 3 is characterized in that the bottom centre position of described reflector is provided with some louvres.
6. a kind of two-sided cumulative photocell according to claim 2 is characterized in that, described translucent cover is a plane transparent glass.
7. a kind of two-sided cumulative photocell according to claim 2 is characterized in that the cross section of described translucent cover is trapezoidal.
8. according to claim 2 or 6 or 7 described a kind of two-sided cumulative photocells, it is characterized in that, be furnished with heating resistance wire on the described translucent cover.
CN2013200829468U 2013-02-22 2013-02-22 Double-sided energy-gathering photocell Expired - Fee Related CN203118979U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013200829468U CN203118979U (en) 2013-02-22 2013-02-22 Double-sided energy-gathering photocell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2013200829468U CN203118979U (en) 2013-02-22 2013-02-22 Double-sided energy-gathering photocell

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CN203118979U true CN203118979U (en) 2013-08-07

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104953942A (en) * 2014-03-24 2015-09-30 上海久能能源科技发展有限公司 Fixed power generation device generating power by reflecting light
CN110855234A (en) * 2019-12-13 2020-02-28 吕晨康 Solar power generation device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104953942A (en) * 2014-03-24 2015-09-30 上海久能能源科技发展有限公司 Fixed power generation device generating power by reflecting light
CN110855234A (en) * 2019-12-13 2020-02-28 吕晨康 Solar power generation device

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130807

Termination date: 20150222

EXPY Termination of patent right or utility model