CN201975407U - Glass for solar photovoltaic assembly - Google Patents
Glass for solar photovoltaic assembly Download PDFInfo
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- CN201975407U CN201975407U CN2011201468576U CN201120146857U CN201975407U CN 201975407 U CN201975407 U CN 201975407U CN 2011201468576 U CN2011201468576 U CN 2011201468576U CN 201120146857 U CN201120146857 U CN 201120146857U CN 201975407 U CN201975407 U CN 201975407U
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- Prior art keywords
- photovoltaic assembly
- solar
- solar photovoltaic
- breach
- glass plate
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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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Abstract
The utility model discloses a piece of glass for a solar photovoltaic assembly. A glass plate, an EVA layer and a solar battery sheet are stacked sequentially from top to bottom on the solar photovoltaic assembly, wherein two surfaces of the glass plate are a first surface and a second surface respectively; the first surface directly faces sunlight radiation; the second surface is in contact with the EVA layer; a straight-lined electrode wire is arranged on the surface of the solar battery sheet; a concave gap is formed on the first surface of the glass plate; and the concave gap is in the shape of a long straight line, and coincides with the position of the electrode wire. The glass for the solar photovoltaic assembly glass, which is disclosed by the utility model, can refract sunlight to the solar battery sheet not shaded by the electrode wire, so as to increase the absorption of sunlight by the battery sheet, so that the output power of the solar photovoltaic assembly is improved. The existing electrode wire does not need to be modified, the structure is simple, and the production is simple and convenient.
Description
Technical field
The utility model relates to field of solar energy, relates in particular to the employed glass of solar photovoltaic assembly.
Background technology
Day by day rare along with the various energy of occurring in nature, and human demand to all kinds of energy increases day by day, the exploitation of new forms of energy is extremely urgent.Solar energy is demanded exploitation urgently and is popularized as a kind of emerging pollution-free regenerative resource.But,, limited the utilization and the popularization of solar energy owing to utilize solar power generation to have cost height, problem that conversion efficiency is low.What industry was generally produced at present is silicon solar cell.Its operation principle is a photovoltaic effect.Particularly, solar irradiation forms new hole-duplet on the semiconductor p-n junction, and under the p-n junction effect of electric field, the hole flows to the p district by the n district, and electronics flows to the n district by the p district, just forms electric current behind the connection circuit.The operation principle of Here it is photoelectric effect solar cell.Therefore, sunlight is many more when shining on the battery, and the electric current of battery output is just big more, and promptly power output is high more.
At present, we are stacked with glass plate, EVA layer, solar battery sheet by common employed solar photovoltaic assembly from top to bottom successively, wherein the surface of solar battery sheet is provided with linearly electrode wires (as shown in Figure 1), and electrode wires is used to carry the electric current that solar battery sheet produces.Because electrode wires has certain width, therefore, when sunlight shone on the solar battery sheet by glass plate, the part sunlight can be blocked (as shown in Figure 3) by electrode wires, has reduced the absorptance of solar cell, has reduced the power output of photovoltaic module.
The utility model content
The problem that the utility model solves is, a kind of solar photovoltaic assembly glass is provided, this glass can refract to the sunlight that is blocked by the electrode wires of the solar battery sheet in the solar photovoltaic assembly unscreened place, to increase the absorptivity of solar photovoltaic assembly, improve the power output of photovoltaic module to sunlight.
For addressing the above problem, the utility model provides a kind of solar photovoltaic assembly glass, described solar photovoltaic assembly is stacked with glass plate from top to bottom successively, the EVA layer, solar battery sheet, two surfaces of described glass plate are respectively direct first surfaces and the second surface that contacts with described EVA layer towards solar radiation, the surface of described solar battery sheet is provided with linearly electrode wires, the first surface of described glass plate has the breach of depression, the breach of this depression is rectangular linearity, and the position of this rectangular linearity depression breach is consistent with the position of described linearity electrode wires.
Preferably, the opening part width W of the breach of described depression is more than or equal to the width of described linearity electrode wires.
Preferably, the depth H of the breach of described depression is less than the thickness of described glass plate.
Preferably, the breach of described depression is V-shaped.
Preferably, two limits of the breach of described V-shaped depression have the arc-shaped outer surface of evagination respectively.
Preferably, the breach of described depression is the semicircle concave shape.
Compared with prior art, the utlity model has following advantage: owing to be provided with the breach of depression with the relative position place of the first surface of the glass plate of electrode wires top, sunlight can be refracted on the solar battery sheet that no-electrode line blocks, thereby make full use of the sunlight that was blocked by electrode wires originally, increased the absorptivity of solar battery sheet to sunlight, thereby improved the power output of solar photovoltaic assembly, not only need not existing electrode wires is done any improvement, and simple in structure, make easy.
Description of drawings
Fig. 1 is the structural representation of the solar battery sheet surface electrical polar curve in the solar photovoltaic assembly;
Fig. 2 be among Fig. 1 A-A to cutaway view;
Fig. 3 is in the prior art, when solar irradiation is incident upon line map on the glass plate;
Fig. 4 is that solar irradiation is incident upon the line map on the glass plate when the glass plate among employing the utility model embodiment one;
Fig. 5 is that solar irradiation is incident upon the line map on the glass plate when two limits of the V-notch of the glass plate among the embodiment two have the arc-shaped outer surface of evagination respectively;
Fig. 6 is that solar irradiation is incident upon the line map on the glass plate when the glass plate among employing the utility model embodiment two;
Wherein: 1, glass plate; 11, Ao Xian breach; 2, EVA layer; 3, electrode wires; 4, solar battery sheet.
Embodiment
The utility model has disclosed a kind of solar photovoltaic assembly glass, the surface of described glass plate has the breach of depression, sunlight can be refracted on the solar battery sheet that no-electrode line blocks, thereby make full use of the sunlight that was blocked by electrode wires originally, increased the absorptivity of solar battery sheet to sunlight, improved the power output of solar photovoltaic assembly, not only need not existing electrode wires is done any improvement, and simple in structure, make easy.
Below in conjunction with drawings and Examples the technical scheme that the utility model disclosed is described in detail.
Please refer to Fig. 1 and Fig. 2, the utility model discloses a kind of solar photovoltaic assembly glass, solar photovoltaic assembly is stacked with glass plate 1, EVA layer 2, solar battery sheet 4 from top to bottom successively.Two surfaces of glass plate 1 are respectively direct first surfaces and the second surface that contacts with EVA layer 2 towards solar radiation; The surface of solar battery sheet 4 is provided with linearly electrode wires 3, and electrode wires 3 is used to carry the electric current that solar battery sheet 4 is produced.When solar light irradiation on glass plate 1, sunlight will be transmitted through solar battery sheet 4 through glass plate 1, consequent electric current will be by electrode wires 3 carried and transported.When using traditional plate glass, as shown in Figure 3, because the electrode wires 3 between glass plate 1 and solar battery sheet 4 has certain width, to produce certain blocking to sunlight, being transmitted through sunlight on the electrode wires 3 will be blocked and can not be absorbed by solar battery sheet 4, thereby influence the absorptivity of 4 pairs of sunlights of solar battery sheet, reduced the power output of solar photovoltaic assembly.
In order to solve above technical problem, the solar photovoltaic assembly that the utility model disclosed is with in the glass, be provided with the breach 11 of depression at the first surface of glass plate 1, the breach 11 of depression is rectangular linearity, and the breach 11 of depression is consistent with the position of electrode wires 3.The breach 11 of depression has and will expose to the effect of the sunlight refraction on it, thereby the sunlight that is blocked by electrode wires 3 originally can be refracted on the glass plate 1 that no-electrode line 3 blocks, and then be transmitted through on the solar battery sheet 4, increased the absorptivity of 4 pairs of sunlights of solar battery sheet, sunlight is fully utilized, and has improved the power output of solar photovoltaic assembly.
Embodiment one:
As shown in Figure 4, the breach 11 of depression is V-shaped, forms v-notch on the first surface of glass plate 1.When solar irradiation is incident upon on the v-notch, sunlight will be refracted, wherein a part of sunlight is refracted on the glass plate 1 that blocks to no-electrode line 3, and then made full use of by solar battery sheet 4, increase the absorptance of 4 pairs of sunlights of solar battery sheet, thereby improved the power output of solar photovoltaic assembly.
Further, because v-notch as shown in Figure 4 only plays refraction action to sunlight, have only the sunlight that part was blocked by electrode wires 3 originally to be refracted to the glass plate 1 that does not have electrode wires 3 to block, the increase of the absorptivity of 4 pairs of sunlights of solar battery sheet is not obvious.Therefore, need do further improvement to the v-notch in the present embodiment.
As shown in Figure 5, two limits of the breach 11 of the depression of V-type are arranged to have the arc-shaped outer surface of evagination respectively, on the first surface of glass plate 1, form two convex lens, convex lens not only have and will expose to the effect of the sunlight refraction on it, and the effect of optically focused in addition, the solar battery sheet 4 that thereby all sunlight to the no-electrode line 3 that exposes on the convex lens can be blocked, compare the breach 11 of the V-type depression of arc-shaped outer surface with evagination, sunlight has obtained utilizing more fully, has improved the power output of solar photovoltaic assembly to greatest extent.
Embodiment two:
As shown in Figure 6, the breach 11 of depression is the semicircle concave shape, have equally and will expose to the effect of the sunlight refraction on it, as seen from the figure, wherein a part of sunlight is refracted the glass plate 1 that blocks to no-electrode line 3, and then made full use of, thereby improve the power output of solar photovoltaic assembly by solar battery sheet 4.
The breach 11 of the depression on the solar photovoltaic assembly glass surface that the utility model disclosed, its opening part width W is more than or equal to the width of electrode wires 3, its depth H is less than the thickness of glass plate 1, concrete parameter can be according to the thickness of glass plate 1, the width synthetic setting of electrode wires 3, more sunlight being refracted to the glass plate 1 that no-electrode line 3 blocks and to penetrate into solar battery sheet 4, thereby improve the power output of solar photovoltaic assembly to greatest extent.
In addition, glass plate 1 can be ordinary plate glass, coated glass or matte glass.
Compared with prior art, the utlity model has following advantage: because the direct breach that has depression towards the surface of the glass plate of solar radiation, sunlight can be refracted on the glass plate that no-electrode line blocks and penetrate into solar battery sheet, thereby make full use of the sunlight that was blocked by electrode wires originally, increase of the absorption of battery sheet to light, improved the power output of photovoltaic module, not only need not existing electrode wires is done any improvement, and simple in structure, make easy.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (6)
1. solar photovoltaic assembly glass, described solar photovoltaic assembly is stacked with glass plate from top to bottom successively, the EVA layer, solar battery sheet, two surfaces of described glass plate are respectively direct first surfaces and the second surface that contacts with described EVA layer towards solar radiation, the surface of described solar battery sheet is provided with linearly electrode wires, it is characterized in that: the first surface of described glass plate has the breach of depression, the breach of this depression is rectangular linearity, and the position of this rectangular linearity depression breach is consistent with the position of described linearity electrode wires.
2. solar photovoltaic assembly glass according to claim 1 is characterized in that: the opening part width W of the breach of described depression is more than or equal to the width of described linearity electrode wires.
3. solar photovoltaic assembly glass according to claim 1 is characterized in that: the depth H of the breach of described depression is less than the thickness of described glass plate.
4. solar photovoltaic assembly glass according to claim 1 is characterized in that: the breach of described depression is V-shaped.
5. solar photovoltaic assembly glass according to claim 4 is characterized in that: two limits of the breach of described V-shaped depression have the arc-shaped outer surface of evagination respectively.
6. solar photovoltaic assembly glass according to claim 1 is characterized in that: the breach of described depression is the semicircle concave shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201468576U CN201975407U (en) | 2011-05-10 | 2011-05-10 | Glass for solar photovoltaic assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201468576U CN201975407U (en) | 2011-05-10 | 2011-05-10 | Glass for solar photovoltaic assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201975407U true CN201975407U (en) | 2011-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201468576U Expired - Fee Related CN201975407U (en) | 2011-05-10 | 2011-05-10 | Glass for solar photovoltaic assembly |
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| CN (1) | CN201975407U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109861638A (en) * | 2019-02-27 | 2019-06-07 | 武汉理工大学 | A kind of high-efficiency solar concentrating device |
| CN112531040A (en) * | 2020-11-30 | 2021-03-19 | 浙江鸿禧能源股份有限公司 | Grid line structure of photovoltaic cell and manufacturing method thereof |
| CN113659019A (en) * | 2021-07-13 | 2021-11-16 | 中山德华芯片技术有限公司 | Flexible solar cell and preparation method and application thereof |
| CN113922749A (en) * | 2021-10-27 | 2022-01-11 | 山东秦鲁能源科技有限公司 | Vehicle-mounted photovoltaic system |
-
2011
- 2011-05-10 CN CN2011201468576U patent/CN201975407U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109861638A (en) * | 2019-02-27 | 2019-06-07 | 武汉理工大学 | A kind of high-efficiency solar concentrating device |
| CN112531040A (en) * | 2020-11-30 | 2021-03-19 | 浙江鸿禧能源股份有限公司 | Grid line structure of photovoltaic cell and manufacturing method thereof |
| CN112531040B (en) * | 2020-11-30 | 2022-09-16 | 浙江鸿禧能源股份有限公司 | Grid line structure of photovoltaic cell and manufacturing method thereof |
| CN113659019A (en) * | 2021-07-13 | 2021-11-16 | 中山德华芯片技术有限公司 | Flexible solar cell and preparation method and application thereof |
| CN113922749A (en) * | 2021-10-27 | 2022-01-11 | 山东秦鲁能源科技有限公司 | Vehicle-mounted photovoltaic system |
| CN113922749B (en) * | 2021-10-27 | 2022-06-14 | 山东秦鲁能源科技有限公司 | Vehicle-mounted photovoltaic system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110914 Termination date: 20190510 |
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| CF01 | Termination of patent right due to non-payment of annual fee |