CN213340386U

CN213340386U - Glass piece for photovoltaic module and photovoltaic module with glass piece

Info

Publication number: CN213340386U
Application number: CN202022247195.3U
Authority: CN
Inventors: 杨灵慧
Original assignee: Atlas Sunshine Power Group Co Ltd
Current assignee: Canadian Solar Inc
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-06-01
Anticipated expiration: 2030-10-10

Abstract

The utility model discloses a photovoltaic module that is used for photovoltaic module's glass spare and has it for photovoltaic module's glass spare includes: the body, the both sides surface on the thickness direction of body is first surface and second surface respectively, is equipped with anti-dazzle structure on the first surface, and anti-dazzle structure includes a plurality of first anti-dazzle structures, and every first anti-dazzle structure is the first recess that forms on the first surface, along the direction from first surface towards the second surface, the cross-sectional area of first recess reduces gradually. According to the utility model discloses a glass spare for photovoltaic module for incident light can form the diffuse reflection phenomenon at the first surface, thereby guarantees that glass spare has anti-dazzle light effect, reduces light pollution, can practice thrift the cost simultaneously, and simple structure, the processing of being convenient for.

Description

Glass piece for photovoltaic module and photovoltaic module with glass piece

Technical Field

The utility model belongs to the technical field of the photovoltaic technology and specifically relates to a photovoltaic module that is used for photovoltaic module's glass spare and has it.

Background

In the related art, when light irradiates the surface of a glass member of a photovoltaic module, specular reflection is easily formed on the surface of the glass member, so that a person easily feels dizzy and light pollution is caused.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model discloses a glass spare for photovoltaic module is proposed to an aim at for glass spare has anti-dazzle light effect.

Another object of the utility model is to provide a photovoltaic module with above-mentioned glass spare.

According to the utility model discloses a glass spare for photovoltaic module of first aspect embodiment includes: the anti-dazzle structure comprises a body, wherein two side surfaces in the thickness direction of the body are respectively a first surface and a second surface, an anti-dazzle structure is arranged on the first surface and comprises a plurality of first anti-dazzle structures, each first anti-dazzle structure is a first groove formed in the first surface, and the cross-sectional area of each first groove is gradually reduced along the direction from the first surface to the second surface.

According to the utility model discloses a glass spare for photovoltaic module, through set up a plurality of first anti-dazzle structures at the first surface of body, and every first anti-dazzle structure is the first recess that forms on the first surface, along the direction from the first surface towards the second surface, the cross-sectional area of first recess reduces gradually. From this for incident light can form the diffuse reflection phenomenon at the first surface, thereby guarantees that the glass spare has anti-dazzle effect, reduces light pollution, can practice thrift the cost simultaneously, and simple structure, the processing of being convenient for.

According to some embodiments of the invention, the inner surface of the first groove comprises at least three first surface portions connected end to end in sequence in a circumferential direction perpendicular to the normal of the second surface, adjacent two of the included angles between the first surface portions being different from 0 ° and different from 180 °.

According to some embodiments of the invention, a second surface portion is connected to an end of at least three of said first surface portions adjacent to said second surface, the angle between each of said first surface portions and said second surface portion being other than 0 ° and other than 180 °.

According to some embodiments of the invention, the second surface portion is parallel to the second surface.

According to some embodiments of the invention, an angle between each of the first surface portions and the normal is α, wherein α satisfies: alpha is more than or equal to 30 degrees and less than or equal to 60 degrees.

According to some embodiments of the invention, each of the first grooves has a depth h₁Wherein, the h₁Satisfies the following conditions: h is not less than 0.6mm₁≤1.2mm。

According to some embodiments of the invention, the anti-glare structure further comprises: a plurality of second anti-glare structures, each of the second anti-glare structures being located between at least two adjacent first anti-glare structures, each of the second anti-glare structures being a second groove formed on the first surface, the cross-sectional area of the second groove gradually decreasing in a direction from the first surface toward the second surface.

According to some embodiments of the present invention, the inner surface of the second groove comprises at least three third surface portions connected end to end in sequence along a circumferential direction perpendicular to the normal of the second surface, and an included angle between two adjacent third surface portions is not 0 ° and not 180 °; at least three of the third surface portions are connected to an end adjacent to the second surface by a fourth surface portion, each of the third surface portions and the fourth surface portion form an included angle of not 0 ° and not 180 °, and the fourth surface portion is parallel to the second surface.

According to some embodiments of the invention, each of the second grooves has a depth h₂Wherein, the h₂Satisfies the following conditions: h is not less than 0.3mm₂≤0.6mm。

According to some embodiments of the present invention, a plurality of the first anti-glare structures are arranged on the first surface in multiple rows and multiple columns, and two adjacent first anti-glare structures are connected to each other; the plurality of second anti-dazzle structures are arranged on the first surface in multiple rows and multiple columns, and each second anti-dazzle structure is connected with at least one adjacent first anti-dazzle structure.

According to some embodiments of the invention, the anti-glare structure of the edge of the body is one half of the second anti-glare structure.

According to the utility model discloses photovoltaic module of second aspect embodiment includes: a photovoltaic cell group; a glass member, the glass member is according to the utility model discloses the glass member of above-mentioned first aspect embodiment, the glass member is established the front of photovoltaic cell group, the first surface of glass member is located keeping away from of glass member positive one side.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view of a glazing for a photovoltaic module according to an embodiment of the invention;

FIG. 2 is an enlarged view of portion A circled in FIG. 1;

fig. 3 is a top view of a glazing for a photovoltaic module according to an embodiment of the invention;

fig. 4 is a side view of a glass piece for a photovoltaic module according to an embodiment of the present invention;

fig. 5 is a cross-sectional view of a glass piece for a photovoltaic module according to an embodiment of the present invention.

Reference numerals:

100: a glass member;

1: a body; 11: a first surface; 111: a first anti-glare structure; 1111: a first surface portion;

1112: a second surface portion; 112: a second anti-glare structure; 1121: a third surface portion;

1122: a fourth surface portion; 12: a second surface.

Detailed Description

Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.

A glass piece 100 for a photovoltaic module according to an embodiment of the present invention is described below with reference to fig. 1 to 5.

As shown in fig. 1 to 5, a glass member 100 for a photovoltaic module according to an embodiment of the present invention includes a body 1.

Specifically, two side surfaces in the thickness direction of the body 1 are a first surface 11 and a second surface 12, respectively, and an anti-glare structure is provided on the first surface 11, and includes a plurality of first anti-glare structures 111. In the description of the present invention, "a plurality" means two or more. Each of the first anti-glare structures 111 is a first groove formed on the first surface 11, and the cross-sectional area of the first groove gradually decreases in a direction from the first surface 11 toward the second surface 12.

For example, in the example of fig. 1 to 3, the plurality of first anti-glare structures 111 are formed on the first surface 11 of the body 1, the cross-sectional area of the first anti-glare structure 111 on the first surface 11 is the largest, the cross-sectional area of the end of the first anti-glare structure 111 far away from the first surface 11 is the smallest, and the first anti-glare structure 111 is in a shape with a larger top and a smaller bottom, so that at least a part of the surface of the first anti-glare structure 111 is not parallel to the first surface 11, when incident light irradiates on the first surface 11, compared with a conventional glass for a photovoltaic module, the first anti-glare structure 111 can cause reflection of the incident light irradiating on the first surface 11 in different directions, so that a diffuse reflection effect of the reflected light on the first surface 11 can be ensured, so that the glass 100 has an anti-glare effect and is not prone to cause light pollution. Thus, the glass member 100 can be used in applications where light requirements are high, such as airports, residential buildings, near public facilities, and the like. In addition, by arranging the first anti-glare structure 111 as the first groove formed on the first surface 11, the material of the glass member 100 can be saved, the cost can be saved, and the structure is simple and convenient to process.

According to the utility model discloses a glass spare 100 for photovoltaic module, through set up a plurality of first anti-dazzle structures 111 on the first surface 11 at body 1 to make every first anti-dazzle structure 111 for forming the first recess on first surface 11, and along the direction from first surface 11 towards second surface 12, the cross-sectional area of first recess reduces gradually, can make glass spare 100 have anti-dazzle effect, reduce light pollution, can practice thrift the cost simultaneously, and simple structure, the processing of being convenient for.

According to some embodiments of the present invention, the inner surface of the first groove comprises at least three first surface portions 1111 connected end to end in sequence in a circumferential direction perpendicular to the normal of the second surface 12, and the included angle between two adjacent first surface portions 1111 is not 0 ° and not 180 °. For example, in the example of fig. 1-3, the inner surface of the first groove includes six first surface portions 1111, the six first surface portions 1111 are sequentially connected end to end, and an angle between two adjacent first surface portions 1111 may be between 0 ° and 180 °. Therefore, the different normal directions of the first surface parts 1111 can be effectively ensured, so that the incident light irradiated on the first surface parts 1111 can be ensured to reflect the reflected light in all directions, and the glass part 100 has a better anti-glare effect.

Further, a second surface portion 1112 is connected to an end of the at least three first surface portions 1111 adjacent to the second surface 12, and the angle between each first surface portion 1111 and the second surface portion 1112 is different from 0 ° and different from 180 °. For example, referring to fig. 1 to 3, the second surface portions 1112 are substantially hexagonal in shape, and an included angle between each of the first surface portions 1111 and the second surface portions 1112 may be between 0 ° and 180 °, so that the number of surfaces on the first anti-glare structure 111 that can generate diffuse reflection is increased, the diffuse reflection effect of the first anti-glare structure 111 may be further increased, and the anti-glare effect of the first anti-glare structure 111 may be further increased. The second surface portion 1112 is parallel to the second surface 12 to facilitate processing of the first anti-glare structure 111.

In some alternative embodiments, each of the first surface portion 1111 and the second surface portion 1112 is formed as a plane, a curved surface, or the like. So set up for first anti-dazzle structure 111's simple structure, and the processing of being convenient for.

In some optional embodiments, an angle between each first surface portion 1111 and the normal is α, where α satisfies: alpha is more than or equal to 30 degrees and less than or equal to 60 degrees. When α is less than 30 °, an included angle between each first surface portion 1111 of the first anti-glare structure 111 and the first surface 11 is small, so that a diffuse reflection phenomenon may not be easily formed on the first surface 11, and an anti-glare effect of the glass member 100 is affected; when α > 60 °, the cross-sectional area of the first anti-glare structure 111 on the first surface 11 is reduced, so that incident light is not easily irradiated onto the first surface portion 1111 for a long time, which also affects the anti-glare effect of the glass member 100. Therefore, when alpha is equal to or less than 30 degrees and equal to or less than 60 degrees, the incident light can be effectively ensured to be irradiated onto the first surface portion 1111 for a long time, so that the incident light can be diffusely reflected on the first anti-glare structure 111, and the anti-glare effect of the glass member 100 is ensured. Further alternatively, when α is 45 °, it is ensured that most of the incident light can be directly irradiated onto the first surface portion 1111 for a long time, so that the antiglare effect of the glass member 100 is optimal.

In some alternative embodiments, as shown in FIG. 5, each first groove has a depth h₁Wherein h is₁Satisfies the following conditions: h is not less than 0.6mm₁Less than or equal to 1.2 mm. When h is generated₁When the thickness is less than 0.6mm, the depth of each first groove is shallow, which may affect the diffuse reflection effect of the first surface 11; when h is generated₁When the thickness is larger than 1.2mm, the thickness of the glass piece 100 is larger, which is not beneficial to the miniaturization design of the photovoltaic module. Thus, when h₁H is less than or equal to 0.6mm₁When less than or equal to 1.2mm, both can guarantee the reflection effect of incident light in first recess, guarantee glass spare 100's anti-dazzle effect, can guarantee glass spare 100's thickness again, the photovoltaic module's of being convenient for miniaturized design.

According to a further embodiment of the present invention, referring to fig. 1 to 3, the anti-glare structure further includes a plurality of second anti-glare structures 112, each second anti-glare structure 112 is located between at least two adjacent first anti-glare structures 111, and each second anti-glare structure 112 is a second groove formed on the first surface 11, and the cross-sectional area of the second groove gradually decreases in a direction from the first surface 11 toward the second surface 12.

For example, in the example of fig. 1-3, four adjacent first anti-glare structures 111 may collectively define a plane, the second anti-glare structure 112 may be disposed in the plane, the cross-sectional area of the second anti-glare structure 112 in the plane is the largest, and the cross-sectional area of the end of the second anti-glare structure 112 away from the plane is the smallest, such that the second anti-glare structure 112 has a shape with a large top and a small bottom. Therefore, the space between the four adjacent first anti-glare structures 111 is effectively utilized, and meanwhile, when the incident light is irradiated on the plane, the second anti-glare structure 112 can ensure that the incident light can generate diffuse reflection on the plane, so that the anti-glare effect of the glass piece 100 is further enhanced, and the light pollution is effectively reduced.

Further, the inner surface of the second groove includes at least three third surface portions 1121 that are sequentially connected end to end in a circumferential direction perpendicular to the normal of the second surface 12, and an included angle between two adjacent third surface portions 1121 is not 0 ° and not 180 °. With reference to fig. 1 to fig. 3, the inner surface of the second groove includes four third surface portions 1121, the four third surface portions 1121 are sequentially connected end to end, and an included angle between two adjacent third surface portions 1121 is between 0 ° and 180 °, so that it can be ensured that normal directions of the third surface portions 1121 are different, and therefore it can be ensured that incident light irradiated on the third surface portions 1121 can reflect reflected light in all directions, and an anti-glare effect of the glass member 100 can be better ensured.

Further, one end of at least three third surface portions 1121 adjacent to the second surface 12 is connected with a fourth surface portion 1122, and an included angle between each third surface portion 1121 and the fourth surface portion 1122 is not 0 ° and not 180 °. For example, referring to fig. 1 to 3, the fourth surface portion 1122 is substantially rectangular, and an included angle between each third surface portion 1121 and the fourth surface portion 1122 may be between 0 ° and 180 °, so that the number of surfaces on which the second anti-glare structure 112 can generate diffuse reflection is increased, the diffuse reflection effect of the second anti-glare structure 112 can be further increased, and thus the anti-glare effect of the second anti-glare structure 112 can be further increased. The fourth surface portion 1122 is parallel to the second surface 12, which facilitates the processing of the second anti-glare structure 112.

In some optional embodiments, an angle between each third surface portion 1121 and the normal is θ, where θ satisfies: theta is more than or equal to 30 degrees and less than or equal to 60 degrees. When θ is less than 30 °, an included angle between each third surface portion 1121 of the second anti-glare structure 112 and the first surface 11 is small, so that a diffuse reflection phenomenon may not be easily formed on the second anti-glare structure 112, and an anti-glare effect of the glass member 100 is affected; when θ > 60 °, the cross-sectional area of the second anti-glare structure 112 on the first surface 11 is reduced, so that the incident light is not easily irradiated onto the third surface portion 1121 for a long time, which also affects the anti-glare effect of the glass member 100. Therefore, when θ satisfies that θ is greater than or equal to 30 ° and less than or equal to 60 °, it can be effectively ensured that the incident light can be irradiated onto the third surface portion 1121 for a long time, so that the incident light generates diffuse reflection on the second anti-glare structure 112, thereby ensuring the anti-glare effect of the glass member 100. Alternatively, when θ is 45 °, it can be ensured that most of the incident light can be directly irradiated on the second surface portion 1112 for a long time, so that the antiglare effect of the glass member 100 is optimal.

In some alternative embodiments, as shown in FIG. 4, each second groove has a depth h₂Wherein h is₂Satisfies the following conditions: h is not less than 0.3mm₂Less than or equal to 0.6 mm. When h is generated₂Is less than 0. When the thickness is 3mm, the depth of each second groove is shallow, so that the reflection effect of incident light in the second grooves is influenced; when h is generated₂If the thickness is more than 0.6mm, the thickness of the glass member 100 is increased, which is not favorable for the miniaturization design of the photovoltaic module. Thus, when h₂H is less than or equal to 0.3mm₂When being less than or equal to 0.6mm, the reflection effect of incident light in the second groove can be ensured, the thickness of the glass piece 100 can be ensured, and the photovoltaic module is convenient for miniaturization design.

According to some embodiments of the present invention, referring to fig. 1 and 3, a plurality of first anti-glare structures 111 are arranged on the first surface 11 in multiple rows and multiple columns, and two adjacent first anti-glare structures 111 are connected to each other. In this way, more first anti-glare structures 111 can be disposed on the effective area of the first surface 11 of the glass member 100, so as to ensure that incident light can generate diffuse reflection effect on the first surface 11. The plurality of second anti-glare structures 112 are arranged on the first surface 11 in multiple rows and columns, and each second anti-glare structure 112 is connected to at least one adjacent first anti-glare structure 111. Therefore, the second anti-glare structure 112 can effectively utilize the space between the adjacent four first anti-glare structures 111, so that incident light can generate better diffuse reflection on the first surface 11, and the anti-glare effect of the glass piece 100 is ensured.

Alternatively, as shown in fig. 2, the anti-glare structure of the edge of the body 1 is one-half of the second anti-glare structure 112. So set up, can separate the big plane of the edge of body 1 effectively and be a plurality of facets for incident light can also produce the diffuse reflection effect at the edge of body 1.

In some alternative embodiments, the cross-sectional shape of each first anti-glare structure 111 is a hexagon, and the cross-sectional shape of each second anti-glare structure 112 is a rectangle, so that the first anti-glare structure and the second anti-glare structure are simple and easy to process. But is not limited thereto.

According to the present invention, a photovoltaic module (not shown) comprises a photovoltaic cell set and a glass member 100, the glass member 100 is disposed on the front surface of the photovoltaic cell set, the first surface 11 of the glass member 100 is located on one side of the glass member 100 away from the front surface, and the glass member 100 is the glass member 100 according to the embodiment of the present invention.

According to the utility model discloses photovoltaic module, through adopting above-mentioned glass spare 100, can guarantee photovoltaic module's anti-dazzle light effect effectively, reduce light pollution.

Other constructions and operations of photovoltaic modules according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A glazing for a photovoltaic module, comprising:

the anti-dazzle structure comprises a body, wherein two side surfaces in the thickness direction of the body are respectively a first surface and a second surface, an anti-dazzle structure is arranged on the first surface and comprises a plurality of first anti-dazzle structures, each first anti-dazzle structure is a first groove formed in the first surface, and the cross-sectional area of each first groove is gradually reduced along the direction from the first surface to the second surface.

2. Glass piece for a photovoltaic module according to claim 1, characterized in that the inner surface of the first groove comprises at least three first surface portions which are connected end to end in sequence in a circumferential direction perpendicular to the normal of the second surface, the angle between two adjacent first surface portions being different from 0 ° and different from 180 °.

3. Glass piece for a photovoltaic module according to claim 2, characterized in that a second surface portion is connected to one end of at least three first surface portions adjacent to the second surface, the angle between each first surface portion and the second surface portion being different from 0 ° and different from 180 °.

4. Glass piece for a photovoltaic module according to claim 3, characterized in that the second surface portion is parallel to the second surface.

5. The glass piece for a photovoltaic module of claim 2, wherein an angle between each of the first surface portions and the normal is a, wherein a satisfies: alpha is more than or equal to 30 degrees and less than or equal to 60 degrees.

6. Glass piece for a photovoltaic module according to claim 1, characterized in that each of said first grooves has a depth h₁Wherein, the h₁Satisfies the following conditions: h is not less than 0.6mm₁≤1.2mm。

7. The glazing for a photovoltaic module according to any of claims 1 to 6, wherein the antiglare structure further comprises:

a plurality of second anti-glare structures, each of the second anti-glare structures being located between at least two adjacent first anti-glare structures, each of the second anti-glare structures being a second groove formed on the first surface, the cross-sectional area of the second groove gradually decreasing in a direction from the first surface toward the second surface.

8. Glass piece for a photovoltaic module according to claim 7, wherein the inner surface of the second groove comprises at least three third surface portions connected end to end in sequence in a circumferential direction perpendicular to the normal of the second surface, the angle between two adjacent third surface portions being different from 0 ° and different from 180 °;

at least three of the third surface portions are connected to an end adjacent to the second surface by a fourth surface portion, each of the third surface portions and the fourth surface portion form an included angle of not 0 ° and not 180 °, and the fourth surface portion is parallel to the second surface.

9. Glass piece for a photovoltaic module according to claim 8, characterized in that each of said second grooves has a depth h₂Wherein, the h₂Satisfies the following conditions: h is not less than 0.3mm₂≤0.6mm。

10. The glazing for a photovoltaic module of claim 7, wherein a plurality of the first antiglare structures are arranged in a plurality of rows and columns on the first surface, and two adjacent first antiglare structures are connected to each other;

the plurality of second anti-dazzle structures are arranged on the first surface in multiple rows and multiple columns, and each second anti-dazzle structure is connected with at least one adjacent first anti-dazzle structure.

11. The glazing for a photovoltaic module of claim 7, wherein the edge of the body has one-half of the second anti-glare structure.

12. A photovoltaic module, comprising:

a photovoltaic cell group;

a glazing according to any of claims 1 to 11, the glazing being provided on a front face of the photovoltaic cell, the first surface of the glazing being located on a side of the glazing remote from the front face.