CN203134839U - Photovoltaic module - Google Patents

Photovoltaic module Download PDF

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Publication number
CN203134839U
CN203134839U CN2013200252215U CN201320025221U CN203134839U CN 203134839 U CN203134839 U CN 203134839U CN 2013200252215 U CN2013200252215 U CN 2013200252215U CN 201320025221 U CN201320025221 U CN 201320025221U CN 203134839 U CN203134839 U CN 203134839U
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China
Prior art keywords
photovoltaic module
light
battery sheet
solar cell
solar battery
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Expired - Lifetime
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CN2013200252215U
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Chinese (zh)
Inventor
占宇繁
刘亚锋
金浩
陈康平
李仙德
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Jinko Solar Co Ltd
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Jinko Solar Co Ltd
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Priority to CN2013200252215U priority Critical patent/CN203134839U/en
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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
    • Y02E10/52—PV systems with concentrators

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  • Photovoltaic Devices (AREA)

Abstract

The utility model provides a photovoltaic module, including a solar cell sheet, a cover plate located on the light receiving face of the solar cell sheet, and a light condensation plate located in the direction of one side of the cover plate depart from the solar cell sheet. The light condensation plate includes a plurality of condensing lenses, and the condensing lenses are used for gathering the light through the lenses. According to the photovoltaic module provided by the utility model, by arranging the light condensation plate with the condensing lenses at the light receiving side of the solar cell sheet, the light passed through the light condensation plate is gathered, thus the light radiated on the surface of the solar cell sheet is increased, the utilization efficiency of solar energy is improved, further the photoelectric conversion efficiency of the solar cell sheet is improved, and the output power of the photovoltaic module is enlarged.

Description

A kind of photovoltaic module
Technical field
The utility model relates to technical field of solar batteries, more particularly, relates to a kind of photovoltaic module.
Background technology
Solar cell also claims photovoltaic cell, is the semiconductor device that a kind of luminous energy with the sun is converted into electric energy.Because it is Green Product, can not cause environmental pollution, and what utilize is renewable resource, so under current energy starved situation, solar cell is a kind of novel energy that arranged wide development prospect.
Since solar cell itself easily broken, easily be corroded, if be directly exposed in the atmosphere, its electricity conversion can be through moisture, the influence of dust, acid rain etc. and descending, so that damage inefficacy.Therefore, the photovoltaic module that solar cell generally all must seal by glue, mode such as lamination is packaged into flat structure comes into operation again.
The structure of conventional photovoltaic module as shown in Figure 1, is the structural representation of prior art photovoltaic module, is from top to bottom: glass cover-plate 103, upper strata EVA102, solar battery sheet 101, the EVA104 of lower floor, backboard 105.
But, find that in actual application the power output of conventional photovoltaic module still remains to be improved.
The utility model content
The utility model provides a kind of photovoltaic module, to improve the power output of photovoltaic module.
For achieving the above object, the utility model provides following technical scheme:
A kind of photovoltaic module comprises: solar battery sheet is positioned at the cover plate on the described solar battery sheet sensitive surface, and is positioned at described cover plate and deviates from solar panel on described solar battery sheet one side direction; Wherein, described solar panel comprises a plurality of collector lenses, and described collector lens is used for the light through himself is converged.
Preferably, has spacing between described solar panel and the described cover plate.
Preferably, the spacing between described solar panel and the described cover plate is the focal length of described collector lens.
Preferably, the focusing center of described collector lens is consistent with the center of described solar battery sheet.
Preferably, described solar battery sheet is identical with the number of described collector lens.
Preferably, described collector lens is any one or a few in Fresnel Lenses, slot light collection mirror or the butterfly condenser.
Preferably, described photovoltaic module also comprises: be positioned at the backboard on the described solar cell back light face; Coat the frame on described solar panel, cover plate and backboard four limits.
Compared with prior art, technical scheme provided by the utility model has the following advantages at least:
Photovoltaic module provided by the utility model, by be subjected to light one side setting to have the solar panel of collector lens at solar battery sheet, be aggregated after making light see through solar panel, thereby increased the light that shines the solar battery sheet surface, improved the efficiency of light energy utilization, and then the photoelectric conversion efficiency of solar battery sheet is improved, it is big that the power output of photovoltaic module becomes.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of prior art photovoltaic module;
The profile of the photovoltaic module that Fig. 2 provides for the utility model embodiment;
The vertical view of the solar panel of the photovoltaic module that Fig. 3 provides for the utility model embodiment;
The solar battery sheet of the photovoltaic module that Fig. 4 provides for the utility model embodiment and the position of collector lens concern vertical view.
Embodiment
Just as stated in the Background Art, the power output of traditional photovoltaic module still remains to be improved, the inventor finds after deliberation, the main cause that produces this problem is: the parallel photovoltaic module of injecting of light, and assembly cover plate and other encapsulating material have absorption and reflex to light, cause the final light that absorbs of solar battery sheet only to have injecting about 90% before the assembly, thereby cause the efficiency of light energy utilization of solar battery sheet not high, corresponding photoelectric conversion efficiency is just not high yet, and then the power output of whole photovoltaic module is had much room for improvement.
For these reasons, the utility model provides a kind of photovoltaic module, comprising:
Solar battery sheet is positioned at the cover plate on the described solar battery sheet sensitive surface, and is positioned at described cover plate and deviates from solar panel on described solar battery sheet one side direction;
Wherein, described solar panel comprises a plurality of collector lenses, and described collector lens is used for the light through himself is converged.
Photovoltaic module provided by the utility model, by be subjected to light one side setting to have the solar panel of collector lens at solar battery sheet, be aggregated after making light see through solar panel, thereby increased the light that shines the solar battery sheet surface, improved the efficiency of light energy utilization, and then the photoelectric conversion efficiency of solar battery sheet is improved, it is big that the power output of photovoltaic module becomes.
More than be core concept of the present utility model, can become apparent more for making above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with accompanying drawing embodiment of the present utility model is described in detail.
A lot of details have been set forth in the following description so that fully understand the utility model, but the utility model can also adopt other to be different from alternate manner described here and implement, those skilled in the art can do similar popularization under the situation of the utility model intension, so the utility model is not subjected to the restriction of following public specific embodiment.
Secondly, the utility model is described in detail in conjunction with schematic diagram, when the utility model embodiment is described in detail in detail; for ease of explanation; the profile of indication device structure can be disobeyed general ratio and be done local the amplification, and described schematic diagram is example, and it should not limit the scope of the utility model protection at this.The three dimensions size that in actual fabrication, should comprise in addition, length, width and the degree of depth.
The utility model embodiment provides a kind of photovoltaic module, by the sensitive surface at assembly solar panel is set light is converged, to improve the efficiency of light energy utilization of assembly, concrete, be illustrated in figure 2 as the profile of the photovoltaic module that the utility model embodiment provides, this photovoltaic module comprises:
Solar battery sheet 201 is positioned at the cover plate 202 on described solar battery sheet 201 sensitive surfaces, and is positioned at described cover plate 202 and deviates from solar panel 203 on described solar battery sheet 201 1 side directions;
Wherein, described solar panel 203 comprises a plurality of collector lenses, and described collector lens is used for the light through himself is converged.
Collector lens on the solar panel 203 has the effect of converging light, compiled behind the collector lens on the light process solar panel 203, so solar battery sheet 201 can receive the light that is converged, thereby the luminous energy that solar battery sheet 201 unit ares receive increases, the efficiency of light energy utilization of battery sheet increases, photoelectric conversion efficiency improves, and then the power output of whole photovoltaic module increases.
Because light can converge through behind the solar panel 203, until intersecting at a point, in this segment distance, from the zone of solar panel 203 away from more, the multiple that converges of light can be more high, so have certain spacing in order to make solar battery sheet 201 can receive the higher light that converges multiple, preferably to make in the present embodiment between solar panel 203 and the cover plate 202, so that the sensitive surface of solar battery sheet 201 receives more rays; More preferred, making the spacing between solar panel 203 and the cover plate 202 is the focal length of collector lens, and at this moment, the light that incides on solar battery sheet 201 sensitive surfaces is gathered maximum multiple.
Need to prove, normal solar battery sheet can bear 4～6 times optically focused, and the light that solar battery sheet receives in the conventional assembly only be original about 90%, and present embodiment has taken full advantage of the potentiality that solar battery sheet bears optically focused, has improved the luminous energy of battery sheet reception.
In addition, the ratio that the cost of solar battery sheet accounts for whole assembly cost in the photovoltaic module is above 50%, and the cost that therefore reduces solar battery sheet becomes the most direct effective and efficient manner that reduces the photovoltaic module cost.The photovoltaic module that present embodiment provides, by in assembly sensitive surface one side solar panel being set, improved the photoelectric conversion efficiency of every solar battery sheet, therefore, compared with prior art, make the photovoltaic module of equal-wattage, the used solar battery sheet of present embodiment is less, namely reduce the cost of solar battery sheet, and then can reduce the cost of manufacture of photovoltaic module.
Except said structure, the photovoltaic module that present embodiment provides also comprises: be positioned at the backboard 205 on described solar battery sheet 201 shady faces; Surround the frame 204 on described solar panel 203, cover plate 202 and backboard 205 4 limits.Solar battery sheet 201, cover plate 202 and backboard 205 have constituted the laminated piece of photovoltaic module jointly.
The mode of laminated piece that present embodiment adopts and solar panel 203 common encapsulation, many one deck solar panels 203 compared to existing technology, therefore, adopt the photovoltaic module of packaged type encapsulation of present embodiment stronger than the mechanical strength of the photovoltaic module of prior art, when bearing big pressure, be not easy to take place arcuate deformation, avoided in the prior art because the mechanical strength of photovoltaic module is not enough, when bearing big pressure, arcuate deformation takes place, the problem that causes the component internal solar battery sheet to break.
Be that example describes with the polysilicon photovoltaic module that is of a size of 1956mm*992mm below, the utility model is equally applicable to the photovoltaic module of other specification.
As shown in Figure 3, the vertical view of the solar panel of the photovoltaic module that provides for the utility model embodiment, the solar panel that adopts in the present embodiment is of a size of 1950mm*975mm, comprises 18 collector lenses 301 that are of a size of 325mm*325mm.
The size of solar panel can be according to the size of the photovoltaic module that will make corresponding choosing, not only be defined in the size that present embodiment provides.
And the quantity of the collector lens 301 of solar panel can increase or reduce according to actual conditions, as: when solar battery sheet more for a long time can corresponding increase collector lens 301 quantity; The size of collector lens 301 also is not limited in the size that present embodiment provides, and can select as required; The distribution situation of collector lens also can change, as follow solar battery sheet distribution variation and change.
In addition, the collector lens 301 that solar panel comprises can be in Fresnel Lenses, slot light collection mirror or the butterfly condenser any one or a few, above-mentioned several lens all can make the light that incides self converge, be preferably Fresnel Lenses in the present embodiment, Fresnel Lenses to the light concentrating times of solar battery sheet for can reach 4, this is equivalent to the photoelectric conversion efficiency of solar battery sheet has been promoted 3 times.
The photovoltaic module that present embodiment provides, the position relation of its solar battery sheet and collector lens is positioned at the central area of collector lens 401 as shown in Figure 4 from vertical view solar battery sheet 402.
Because collector lens 401 is more high the closer to the central area light concentrating times, so in order to make solar battery sheet 402 can receive more luminous energy, solar battery sheet 402 will be tried one's best near the central area of collector lens 401 optically focused, preferably, can make the focusing center of collector lens 401 consistent with the center of solar battery sheet 402.
And, because there is focal length in collector lens 401, so-called focal length, refer to see through the joining of the light that collector lens 401 converges and the distance at collector lens 401 centers in simple terms, so for the light that solar battery sheet 402 is received has higher light concentrating times, the gap between solar panel and the cover plate is preferably the focal length of collector lens 401.In the present embodiment, the gap between this solar panel and the cover plate is specially 10mm～20mm, comprises endpoint value.
In addition, the light that receives for the solar battery sheet 401 that makes photovoltaic module is through the light after converging, and present embodiment preferably can make solar battery sheet 402 identical with the number of collector lens 401.
The used solar battery sheet of the photovoltaic module that present embodiment provides only is 18, the quantity (72) of the solar battery sheet more used than the photovoltaic module of conventional same size reduces 75%, its whole power output is identical with the power output of conventional 72 solar battery sheets, is 280W～300W.As seen, when making the photovoltaic module of equal-wattage, the cost of the photovoltaic module that present embodiment provides significantly reduces.
Need to prove, in order to make the higher photovoltaic module of monolithic power output, the size of dwindling collector lens 401 that can be suitable, to increase its number, simultaneously, reduce the spacing between the solar battery sheet 402, to increase the number of battery sheet, can make the monolithic photovoltaic module have higher power output in this way.
The photovoltaic module that present embodiment provides, by be subjected to light one side setting to have the solar panel of collector lens at solar battery sheet, be aggregated after making light see through solar panel, thereby increased the light that shines the solar battery sheet surface, improved the efficiency of light energy utilization, and then the photoelectric conversion efficiency of solar battery sheet is improved, it is big that the power output of photovoltaic module becomes.
And, the mode of the common encapsulation of the laminated piece that photovoltaic module adopts that present embodiment provides and solar panel, many one deck solar panels compared to existing technology, therefore, adopt the photovoltaic module of packaged type encapsulation of present embodiment stronger than the mechanical strength of the photovoltaic module of prior art, when bearing big pressure, be not easy to take place arcuate deformation, avoided in the prior art arcuate deformation taking place, the problem that causes the component internal solar battery sheet to break because the mechanical strength of photovoltaic module is not enough.
In addition, because the photovoltaic module that present embodiment provides has improved the photoelectric conversion efficiency of solar cell by the mode that solar panel is set at sensitive surface, so, under the situation of the photovoltaic module of making equal-wattage, the photovoltaic module that present embodiment provides compared with prior art, the quantity of used solar battery sheet significantly reduces, thereby cost is lower.
Though the utility model discloses as above with preferred embodiment, yet is not in order to limit the utility model.Any those of ordinary skill in the art, do not breaking away under the technical solutions of the utility model scope situation, all can utilize method and the technology contents of above-mentioned announcement that technical solutions of the utility model are made many possible changes and modification, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not break away from technical solutions of the utility model according to any simple modification, equivalent variations and the modification that technical spirit of the present utility model is done above embodiment, all still belongs in the scope of technical solutions of the utility model protection.

Claims (7)

1.一种光伏组件，其特征在于，包括：1. A photovoltaic module, characterized in that, comprising: 太阳能电池片，位于所述太阳能电池片受光面上的盖板，及位于所述盖板背离所述太阳能电池片一侧方向上的聚光板；A solar cell, a cover plate located on the light-receiving surface of the solar cell, and a light concentrating plate located on the side of the cover plate away from the solar cell; 其中，所述聚光板包括多个聚光透镜，所述聚光透镜用于使经过其自身的光线汇聚。Wherein, the condensing plate includes a plurality of condensing lenses, and the condensing lenses are used to converge the light passing through itself. 2.根据权利要求1所述的光伏组件，其特征在于，所述聚光板与所述盖板之间具有间距。2. The photovoltaic module according to claim 1, wherein there is a distance between the concentrating plate and the cover plate. 3.根据权利要求2所述的光伏组件，其特征在于，所述聚光板与所述盖板之间的间距为所述聚光透镜的焦距。3 . The photovoltaic module according to claim 2 , wherein the distance between the condensing plate and the cover plate is the focal length of the condensing lens. 4 . 4.根据权利要求1所述的光伏组件，其特征在于，所述聚光透镜的聚焦中心与所述太阳能电池片的中心一致。4. The photovoltaic module according to claim 1, wherein the focus center of the condenser lens is consistent with the center of the solar cell. 5.根据权利要求2、3或4任一项所述的光伏组件，其特征在于，所述太阳能电池片与所述聚光透镜的数目相同。5. The photovoltaic module according to any one of claims 2, 3 or 4, characterized in that the number of the solar cells is the same as that of the concentrating lenses. 6.根据权利要求1所述的光伏组件，其特征在于，所述聚光透镜为菲涅尔透镜、槽式聚光镜或蝶式聚光镜中的任意一种或几种。6 . The photovoltaic module according to claim 1 , wherein the condensing lens is any one or more of a Fresnel lens, a trough condensing lens or a butterfly condensing lens. 7.根据权利要求1所述的光伏组件，其特征在于，还包括：7. The photovoltaic module according to claim 1, further comprising: 位于所述太阳能电池片背光面上的背板；a backplane located on the backlight surface of the solar cell; 包覆所述聚光板、盖板及背板四边的边框。The frame covering the four sides of the light collecting plate, the cover plate and the back plate.
CN2013200252215U 2013-01-17 2013-01-17 Photovoltaic module Expired - Lifetime CN203134839U (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105978468A (en) * 2016-04-08 2016-09-28 合肥中南光电有限公司 Concentrating photovoltaic assembly
CN109245716A (en) * 2018-10-12 2019-01-18 江苏亚威变压器有限公司 A kind of distributed photovoltaic and energy-storage system
CN109256804A (en) * 2018-10-12 2019-01-22 江苏亚威变压器有限公司 A kind of independent micro-capacitance sensor of distributed photovoltaic energy storage
CN109495073A (en) * 2018-10-12 2019-03-19 江苏亚威变压器有限公司 A kind of photovoltaic module convenient for agriculture light complementation
CN114285368A (en) * 2021-11-25 2022-04-05 材料科学姑苏实验室 Energy conversion assembly
CN115377244A (en) * 2022-08-12 2022-11-22 隆基绿能科技股份有限公司 Photovoltaic module and size determining method thereof, whole solar cell or silicon wafer and size determining method thereof
CN116169947A (en) * 2021-11-25 2023-05-26 材料科学姑苏实验室 Energy conversion component and energy conversion system with the energy conversion component

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105978468A (en) * 2016-04-08 2016-09-28 合肥中南光电有限公司 Concentrating photovoltaic assembly
CN109245716A (en) * 2018-10-12 2019-01-18 江苏亚威变压器有限公司 A kind of distributed photovoltaic and energy-storage system
CN109256804A (en) * 2018-10-12 2019-01-22 江苏亚威变压器有限公司 A kind of independent micro-capacitance sensor of distributed photovoltaic energy storage
CN109495073A (en) * 2018-10-12 2019-03-19 江苏亚威变压器有限公司 A kind of photovoltaic module convenient for agriculture light complementation
CN114285368A (en) * 2021-11-25 2022-04-05 材料科学姑苏实验室 Energy conversion assembly
CN116169947A (en) * 2021-11-25 2023-05-26 材料科学姑苏实验室 Energy conversion component and energy conversion system with the energy conversion component
CN114285368B (en) * 2021-11-25 2024-11-05 材料科学姑苏实验室 Energy conversion components
CN115377244A (en) * 2022-08-12 2022-11-22 隆基绿能科技股份有限公司 Photovoltaic module and size determining method thereof, whole solar cell or silicon wafer and size determining method thereof

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Granted publication date: 20130814