CN220672595U - Photovoltaic glass and photovoltaic module - Google Patents
Photovoltaic glass and photovoltaic module Download PDFInfo
- Publication number
- CN220672595U CN220672595U CN202322364285.4U CN202322364285U CN220672595U CN 220672595 U CN220672595 U CN 220672595U CN 202322364285 U CN202322364285 U CN 202322364285U CN 220672595 U CN220672595 U CN 220672595U
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- China
- Prior art keywords
- glass
- plate glass
- photovoltaic
- double
- concave
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Links
- 239000011521 glass Substances 0.000 title claims abstract description 50
- 239000005357 flat glass Substances 0.000 claims abstract description 49
- 238000009434 installation Methods 0.000 claims abstract description 14
- 239000002313 adhesive film Substances 0.000 claims description 5
- 239000003292 glue Substances 0.000 abstract description 6
- 238000010248 power generation Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The utility model provides photovoltaic glass and a photovoltaic module, which belong to the technical field of photovoltaic power generation, and comprise front plate glass, a glue film, a plurality of double-sided battery pieces, a glue film and back plate glass, wherein the back plate glass is provided with a plurality of reflecting concave structures, and the reflecting concave structures are formed by inwards sinking the back plate glass from the end surface of the back plate glass close to the front plate glass towards the direction deviating from the front plate glass; the reflecting concave structure is an arc-shaped surface, the focal point of the arc-shaped surface is positioned between the back plate glass and the double-sided battery piece, and a reflecting film is arranged on one side surface of the reflecting concave structure, which is far away from the front plate glass; the reflecting concave structures are strip structures and correspond to the mounting gaps of two adjacent double-sided battery pieces; sunlight passes through the installation gap between two adjacent double-sided battery pieces, irradiates on the arc-shaped surface of the reflecting concave surface structure and is reflected on the back surfaces of the double-sided battery pieces. The photovoltaic glass provided by the utility model has the advantages that the light utilization rate is improved, and the load resistance of the photovoltaic glass is enhanced.
Description
Technical Field
The utility model belongs to the technical field of photovoltaic power generation, and particularly relates to photovoltaic glass and a photovoltaic module.
Background
The double-glass photovoltaic module is formed by packaging two layers of glass, two layers of adhesive films and an intermediate layer of battery piece, a junction box is arranged at the lead wire of the back electrode after packaging is completed, and aluminum alloy frames are arranged on the periphery of the junction box, so that a power generation unit is finally formed. At present, low-iron toughened glass with high light transmittance is generally selected as the photovoltaic glass, and flat glass is adopted as the front and back glass of the double-glass photovoltaic module, and although an inverted pyramid embossing structure is adopted as the non-air surface of some glass, the effect of changing the light path of the structure is not great because the refractive index of the adhesive film is close to that of the glass. Sunlight irradiates the photovoltaic module from air, and the light passes through the front glass, passes through gaps between the battery pieces and then passes through the back glass, and passes out of the module, so that the light utilization rate is low. And the monolithic photovoltaic glass has a relatively large size, resulting in poor load bearing performance.
Disclosure of Invention
The utility model aims to provide photovoltaic glass and a photovoltaic module, which are used for solving the technical problems of lower light utilization rate and poorer bearing performance of the photovoltaic glass in the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the photovoltaic glass comprises front plate glass, a glue film, double-sided battery pieces, the glue film and back plate glass which are sequentially arranged from top to bottom; the number of the double-sided battery pieces is multiple, a plurality of reflecting concave structures are arranged on the back plate glass, and the reflecting concave structures are formed by inwards sinking from the end face of the back plate glass, which is close to the front plate glass, towards the direction away from the front plate glass; a side surface, close to the front plate glass, of the reflecting concave structure is an arc surface, a focus of the arc surface is positioned between the back plate glass and the double-sided battery piece, and a reflecting film is arranged on a side surface, far away from the front plate glass, of the reflecting concave structure; the reflecting concave structures are long-strip structures and correspond to the installation gaps of two adjacent double-sided battery pieces; sunlight passes through the installation gap between two adjacent double-sided battery pieces, irradiates on the arc-shaped surface of the reflecting concave surface structure and is reflected on the back surface of the double-sided battery piece.
In one possible implementation manner, the arc-shaped surface comprises a first arc-shaped concave surface and two second arc-shaped concave surfaces, the first arc-shaped concave surface is positioned between the two second arc-shaped concave surfaces, and two sides of the first arc-shaped concave surface are respectively connected with the two second arc-shaped concave surfaces; the curvature of the first arc-shaped concave surface is larger than that of the second arc-shaped concave surface.
In one possible implementation, the center of the first curved concave surface and the center of the second curved concave surface are on the same vertical line.
In one possible implementation, the arcuate surface is a semicircular surface.
In one possible implementation, a plurality of the double-sided battery pieces are arranged in a rectangular array, and a plurality of the reflecting concave structures are arranged in a net shape.
In one possible implementation, a plurality of the reflective concave structures and the back plate glass are integrally formed.
In one possible implementation, the arcuate surface has a width dimension that is greater than a dimension of the mounting gap.
In one possible implementation, the width dimension of the light reflecting film is greater than the width dimension of the arcuate surface.
The photovoltaic glass provided by the utility model has the beneficial effects that: compared with the prior art, when the photovoltaic glass is used, most of light directly passes through the front plate glass and irradiates on the front side surface or the rear side surface of the double-sided battery piece, so that the photovoltaic glass is converted into electric energy; in addition, a small part of light passes through the installation gap between two adjacent double-sided battery pieces, irradiates on the arc-shaped surface of the reflecting concave surface structure, and irradiates on the rear side surface of the double-sided battery piece through reflection, so that the part of light is reused to generate electric energy; meanwhile, under the action of the reflecting film, part of light is reflected to the double-sided battery piece as much as possible, so that the utilization rate of the light is improved; the concave emission structure is arranged on the back plate glass and is a strip structure corresponding to the installation gaps of two adjacent double-sided battery pieces, so that the effect of enhancing the load resistance of the photovoltaic glass is achieved.
Another object of the present utility model is to provide a photovoltaic module comprising any one of the above photovoltaic glasses.
According to the photovoltaic module provided by the utility model, as the photovoltaic glass is adopted, the light utilization rate and the load resistance of the whole photovoltaic module are improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a photovoltaic glass according to an embodiment of the present utility model;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is a bottom view of photovoltaic glass provided by an embodiment of the present utility model;
fig. 4 is a schematic partial view of a photovoltaic glass according to an embodiment of the present utility model.
Wherein, each reference sign in the figure:
1. front plate glass; 2. an adhesive film; 3. double-sided battery plates; 31. a mounting gap; 4. back plate glass; 5. a reflective concave structure; 51. an arc surface; 52. a reflective film; 53. a first arcuate concave surface; 54. a second arcuate concave surface.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to fig. 1 to 3, the photovoltaic glass provided by the present utility model will now be described. A photovoltaic glass comprises a front plate glass 1, a glue film 2, a double-sided battery piece 3, a glue film 2 and a back plate glass 4 which are sequentially arranged from top to bottom; the number of the double-sided battery pieces 3 is multiple, a plurality of reflecting concave structures 5 are arranged on the back plate glass 4, and the reflecting concave structures 5 are formed by inwards sinking from the end surface of the back plate glass 4, which is close to the front plate glass 1, towards the direction away from the front plate glass 1; the side surface of the reflecting concave surface structure 5, which is close to the front plate glass 1, is an arc surface 51, the focal point of the arc surface 51 is positioned between the back plate glass 4 and the double-sided battery piece 3, and a reflecting film 52 is arranged on the side surface of the reflecting concave surface structure 5, which is far away from the front plate glass 1; the reflecting concave structures 5 are long-strip structures and correspond to the mounting gaps 31 of two adjacent double-sided battery pieces 3; sunlight passes through the mounting gap 31 between two adjacent double-sided battery pieces 3, irradiates on the arc-shaped surface 51 of the reflecting concave surface structure 5, and is reflected on the back surfaces of the double-sided battery pieces 3.
Compared with the prior art, the photovoltaic glass provided by the utility model has the advantages that most of light directly passes through the front plate glass 1 and irradiates on the front side surface or the rear side surface of the double-sided battery piece 3, so that the photovoltaic glass is converted into electric energy; in addition, a small part of light passes through the mounting gap 31 between two adjacent double-sided battery pieces 3, irradiates on the arc-shaped surface 51 of the reflecting concave surface structure 5, and irradiates on the rear side surface of the double-sided battery piece 3 through reflection, so that the part of light is reused to generate electric energy; meanwhile, under the action of the reflecting film 52, part of light is reflected to the double-sided battery piece 3 as much as possible, so that the utilization rate of the light is improved; the concave emission structure is arranged on the back plate glass 4 and is a strip structure corresponding to the installation gap 31 of two adjacent double-sided battery pieces 3, so that the function of enhancing the load resistance of the photovoltaic glass is achieved.
Referring to fig. 1 and fig. 2, as a specific embodiment of the photovoltaic glass provided by the present utility model, the arc surface 51 includes a first arc concave surface 53 and two second arc concave surfaces 54, the first arc concave surface 53 is located between the two second arc concave surfaces 54, and two sides of the first arc concave surface 53 are respectively connected with the two second arc concave surfaces 54; the curvature of the first curved concave surface 53 is greater than the curvature of the second curved concave surface 54; the two second arc concave surfaces 54 are two parts of a whole arc concave surface, and when the arc concave surfaces are specifically installed, the first arc concave surface 53 and the whole arc concave surface are stacked together. By this structure, the light reflected by the first arc concave surface 53 and the second arc concave surface 54 is emitted toward the back surfaces of the adjacent two double-sided battery pieces 3 in a dispersed manner, and the power generation area in the double-sided battery pieces 3 is fully utilized, so that the efficiency is higher.
Preferably, the centers of the first arc-shaped concave surface 53 and the second arc-shaped concave surface 54 are located on the same vertical line, i.e., the first arc-shaped concave surface 53 and the two second arc-shaped concave surfaces 54 are symmetrically arranged so that the light passing through the mounting gaps 31 of the adjacent two double-sided battery pieces 3 is uniformly dispersed to both sides.
Referring to fig. 4, as a specific embodiment of the photovoltaic glass provided by the present utility model, the arc surface 51 is a semicircular surface, and the semicircular surface structure has a total reflection characteristic, so that light rays are reflected for multiple times and finally irradiated onto the battery piece, and the effect of light utilization rate is further improved.
Referring to fig. 1 and fig. 3, as a specific embodiment of the photovoltaic glass provided by the utility model, a plurality of double-sided battery pieces 3 are arranged in a rectangular array, a plurality of reflecting concave structures 5 are arranged in a net shape, and the double-sided battery pieces 3 arranged in the rectangular array are orderly arranged, so that the installation area can be fully utilized; and the plurality of double-sided battery pieces 3 form the installation gaps 31 which are arranged in a net shape, so that the plurality of reflection concave structures 5 which are arranged in a net shape are arranged on the back plate glass 4 in one-to-one correspondence with the plurality of installation gaps 31, thereby achieving the purpose of fully utilizing the light rays passing through the installation gaps 31.
Preferably, the reflecting concave structures 5 and the back plate glass 4 are integrally formed, so that the mounting between the reflecting concave structures 5 and the back plate glass 4 is more firm and stable.
Referring to fig. 1 and 3, as a specific embodiment of the photovoltaic glass provided by the present utility model, the width dimension of the arc-shaped surface 51 is larger than the dimension of the installation gap 31; thus, the unused light passing through the mounting gap 31 can be fully and completely irradiated on the arc-shaped surface 51, thereby achieving the purpose of fully utilizing the part of the light.
Referring to fig. 1 and 3, as a specific embodiment of the photovoltaic glass provided by the present utility model, the width dimension of the reflective film 52 is larger than the width dimension of the arc surface 51, so that the reflective film 52 completely surrounds the arc surface 51 from the end surface of the back plate glass 4 far from the front plate glass 1 and exceeds the boundary of the arc surface 51 by a certain distance, and therefore, the unused light passing through the installation gap 31 is reflected by the limitation of the reflective film 52, and the light utilization rate is higher.
Not shown in the drawings, the embodiment of the utility model also provides a photovoltaic module, which comprises any one of the photovoltaic glass.
The photovoltaic module provided by the utility model adopts the photovoltaic glass, so that the light utilization rate and the load resistance of the whole photovoltaic module are improved.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (9)
1. The photovoltaic glass is characterized by comprising front plate glass, an adhesive film, double-sided battery pieces, the adhesive film and back plate glass which are sequentially arranged from top to bottom; the number of the double-sided battery pieces is multiple, a plurality of reflecting concave structures are arranged on the back plate glass, and the reflecting concave structures are formed by inwards sinking from the end face of the back plate glass, which is close to the front plate glass, towards the direction away from the front plate glass; a side surface, close to the front plate glass, of the reflecting concave structure is an arc surface, a focus of the arc surface is positioned between the back plate glass and the double-sided battery piece, and a reflecting film is arranged on a side surface, far away from the front plate glass, of the reflecting concave structure; the reflecting concave structures are long-strip structures and correspond to the installation gaps of two adjacent double-sided battery pieces; sunlight passes through the installation gap between two adjacent double-sided battery pieces, irradiates on the arc-shaped surface of the reflecting concave surface structure and is reflected on the back surface of the double-sided battery piece.
2. The photovoltaic glass of claim 1, wherein the arcuate surface comprises a first arcuate concave surface and two second arcuate concave surfaces, wherein the first arcuate concave surface is positioned between the two second arcuate concave surfaces, and wherein two sides of the first arcuate concave surface are respectively connected to the two second arcuate concave surfaces; the curvature of the first arc-shaped concave surface is larger than that of the second arc-shaped concave surface.
3. The photovoltaic glass of claim 2, wherein the center of the first curved concave surface is on the same vertical line as the center of the second curved concave surface.
4. The photovoltaic glass of claim 1, wherein the arcuate surface is a semi-circular surface.
5. The photovoltaic glass of claim 1, wherein a plurality of the double-sided cells are arranged in a rectangular array and a plurality of the reflective concave structures are arranged in a mesh.
6. The photovoltaic glass of claim 1, wherein a plurality of the reflective concave structures and the backsheet glass are integrally formed.
7. The photovoltaic glass of claim 1, wherein a width dimension of the arcuate face is greater than a dimension of the mounting gap.
8. The photovoltaic glass of claim 1, wherein the reflective film has a width dimension greater than a width dimension of the arcuate surface.
9. A photovoltaic module comprising the photovoltaic glass of any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322364285.4U CN220672595U (en) | 2023-08-31 | 2023-08-31 | Photovoltaic glass and photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322364285.4U CN220672595U (en) | 2023-08-31 | 2023-08-31 | Photovoltaic glass and photovoltaic module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220672595U true CN220672595U (en) | 2024-03-26 |
Family
ID=90343608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322364285.4U Active CN220672595U (en) | 2023-08-31 | 2023-08-31 | Photovoltaic glass and photovoltaic module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220672595U (en) |
-
2023
- 2023-08-31 CN CN202322364285.4U patent/CN220672595U/en active Active
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