CN210369618U

CN210369618U - Photovoltaic heat preservation assembly and building photovoltaic heat preservation system

Info

Publication number: CN210369618U
Application number: CN201822132874.9U
Authority: CN
Inventors: 夏永信
Original assignee: Beijing Apollo Ding Rong Solar Technology Co Ltd
Current assignee: Shanghai zuqiang Energy Co.,Ltd.
Priority date: 2018-12-18
Filing date: 2018-12-18
Publication date: 2020-04-21
Anticipated expiration: 2028-12-18

Abstract

The utility model discloses a photovoltaic insulation assembly and building photovoltaic heat preservation system, wherein, photovoltaic insulation assembly includes: photovoltaic module, heat preservation subassembly and binder subassembly. The photovoltaic module comprises a light-transmitting substrate and a solar cell chip, wherein the substrate and the solar cell chip are bonded into a whole through a bonding agent; the heat insulation component comprises a heat insulation layer; and the adhesive assembly comprises at least one insulating adhesive layer, and the heat insulation assembly is bonded with the backlight side of the photovoltaic assembly into a whole through the adhesive assembly. The solar cell chip of the photovoltaic module is organically combined with the heat insulation module by arranging the photovoltaic module; the arrangement of the heat insulation component plays a role in heat insulation for the building structure, so that the building energy consumption is greatly reduced; the solar cell chip absorbs solar energy and converts the solar energy into electric energy, and then electric power resources are generated to effectively utilize the solar energy.

Description

Photovoltaic heat preservation assembly and building photovoltaic heat preservation system

Technical Field

The utility model relates to a solar PV modules technical field, concretely relates to photovoltaic heat preservation subassembly and building photovoltaic heat preservation system.

Background

The building wall surface is an important component of a building envelope structure, and the energy consumption of the building envelope structure accounts for more than 50% of the whole building. For high-rise buildings, the wall surface part of the building even accounts for more than 80% of the energy consumption of the whole building, and the wall surface is directly exposed in the natural environment, so that the requirement of the building wall surface has the weather resistance requirements of heat preservation, heat insulation, water resistance, moisture resistance, fire resistance, aging resistance and the like, the requirements of materials and construction processes are extremely high, the building modularization gradually becomes the development trend of modern buildings, and the operation of the heat preservation and decoration integrated plate is born.

In recent years, in the field of building insulation worldwide, composite boards formed by compounding vacuum insulation boards and decorative materials are produced and are attached to the outer side of a building wall, so that a building wall with both insulation and decoration functions is formed. However, the thermal insulation composite board in the prior art only has a thermal insulation or decoration effect, and cannot effectively utilize the solar energy irradiated on the surface of the thermal insulation composite board, so that the solar energy cannot be maximally collected and utilized.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem to be solved by the present invention is to directly compound the heat insulating material and the decoration material in the prior art, and only have the heat insulating or decoration effect, and cannot effectively utilize the solar energy irradiated on the surface thereof, so that the solar energy cannot be maximally collected and utilized.

Therefore, the utility model provides a photovoltaic insulation component, include:

the photovoltaic module comprises a light-transmitting substrate and a solar cell chip, wherein the substrate and the solar cell chip are bonded into a whole through a photovoltaic adhesive layer;

a thermal insulation assembly comprising a thermal insulation layer;

and the adhesive assembly comprises at least one insulating adhesive layer, and the heat insulation assembly is bonded with the backlight side of the photovoltaic assembly into a whole through the adhesive assembly.

Preferably, in the photovoltaic thermal insulation assembly, the thermal insulation layer is a vacuum thermal insulation board.

Further preferably, in the photovoltaic thermal insulation assembly, the thermal insulation assembly further includes a drying layer coated on the outer layer of the vacuum thermal insulation plate.

Further preferably, in the photovoltaic thermal insulation assembly, the thermal insulation assembly further includes a waterproof and breathable layer disposed on the drying layer and close to one side of the photovoltaic assembly.

Further preferably, in the photovoltaic thermal insulation assembly, the thermal insulation assembly further includes a thermal insulation adhesive layer disposed on the waterproof breathable layer and close to one side of the photovoltaic assembly, and the thermal insulation adhesive layer is fixedly connected with the adhesive assembly.

Further preferably, in the photovoltaic thermal insulation module, the substrate is made of tempered glass or semi-tempered glass.

Further preferably, in the photovoltaic thermal insulation assembly, the substrate is colored transparent glass, and/or a pattern is formed on the surface of the glass.

Further preferably, in the photovoltaic thermal insulation module, the photovoltaic adhesive layer is a transparent film layer or a colored film layer.

Further preferably, in the photovoltaic thermal insulation module, the solar cell chip is a solar thin film cell.

A photovoltaic heat-preservation system for buildings comprises

The building outer wall is fixed with a glass curtain wall or a window;

and the photovoltaic heat-insulating assembly is fixed on the glass curtain wall or the window, and is the photovoltaic heat-insulating assembly.

Preferably, in the above photovoltaic thermal insulation system for buildings, the glass curtain wall or the window includes a glass substrate, and the glass substrate includes one or more of a single glass assembly, a double-layer laminated glass assembly, a multi-layer laminated glass assembly, and a hollow laminated glass assembly.

The technical scheme provided by the utility model, following advantage has:

1. the utility model provides a photovoltaic heat preservation subassembly, it includes: photovoltaic module, heat preservation subassembly and binder subassembly. The photovoltaic module comprises a light-transmitting substrate and a solar cell chip, wherein the substrate and the solar cell chip are bonded into a whole through a bonding agent; the heat insulation component comprises a heat insulation layer; and the adhesive assembly comprises at least one insulating adhesive layer, and the heat insulation assembly is bonded with the backlight side of the photovoltaic assembly into a whole through the adhesive assembly.

According to the photovoltaic heat-insulation component with the structure, the solar cell chip of the photovoltaic component is organically combined with the heat-insulation component by arranging the photovoltaic component; the arrangement of the heat insulation component plays a role in heat insulation for the building structure, so that the building energy consumption is greatly reduced; the solar cell chip absorbs solar energy and converts the solar energy into electric energy, and then electric power resources are generated to effectively utilize the solar energy; in addition, the insulating performance of the photovoltaic heat-insulating assembly is improved due to the arrangement of the insulating binder layer, and meanwhile, the photovoltaic heat-insulating assembly is matched with the light-transmitting substrate for use, so that the purpose of fire prevention and flame retardance is achieved.

2. The utility model provides a photovoltaic heat preservation subassembly, the heat preservation is vacuum insulation board. The heat insulation assembly further comprises a drying layer coated on the outer layer of the vacuum heat insulation plate.

The photovoltaic heat-preserving component with the structure has the advantages that the vacuum heat-preserving plate is arranged, the heat-preserving and heat-insulating functions of the inner side structure of the heat-preserving layer are achieved, the balance effect of the internal and external pressure of the heat-preserving layer is achieved through the outer coating drying layer of the vacuum heat-preserving plate, the drying layer is arranged, the drying, waterproof and dehumidifying functions of the vacuum heat-preserving plate are further achieved, and the heat-preserving performance of the vacuum heat-preserving plate is further improved.

3. The utility model provides a photovoltaic heat preservation subassembly, heat preservation subassembly is still including locating be close to on the dry layer the waterproof ventilative layer of photovoltaic module one side.

According to the photovoltaic heat-insulation component with the structure, the waterproof breathable layer is arranged, so that the waterproof effect on the heat-insulation component is further improved, and the heat-insulation performance of the vacuum heat-insulation board serving as a heat-insulation layer is further improved; meanwhile, the photovoltaic heat-insulating assembly is prevented from generating and forming bubbles in the processes of packaging and interlayer connection during manufacturing and processing, and the yield of the photovoltaic heat-insulating assembly is improved.

4. The utility model provides a photovoltaic heat preservation subassembly, heat preservation subassembly is still including locating be close to on the waterproof ventilative layer the heat preservation binder layer of photovoltaic module one side, heat preservation binder layer with binder subassembly fixed connection. Through the setting on heat preservation binder layer, combine photovoltaic module and thermal insulation component together organically, simultaneously, set up through a plurality of different binder layers, further reach such as fixed encapsulation of base plate and solar cell chip, photovoltaic thermal insulation component insulation fire prevention and photovoltaic module wholly and thermal insulation component reciprocal anchorage encapsulation multiple functions such as.

5. The utility model provides a photovoltaic heat preservation subassembly, glass is colored printing opacity glass, and/or glass surface shaping has the pattern. The heat-insulating adhesive layer is a transparent film layer or a colored film layer.

The photovoltaic heat preservation assembly of this structure through the colour that changes glass or film layer to and the group on glass surface, thereby satisfy the user demand to different customers, further customer's suitability.

6. The utility model provides a photovoltaic heat preservation subassembly, the solar cell chip is solar energy thin film battery, and it has good weak light nature, shock resistance, resists deformability, therefore can not become invalid to keep permanent operation performance.

7. The utility model provides a photovoltaic heat-insulating component, a building outer wall and a building outer wall, wherein a glass curtain wall or a window is fixed on the outer wall; and the photovoltaic heat-insulating assembly is fixed on the glass curtain wall or the window, and is the photovoltaic heat-insulating assembly. The glass curtain wall and/or the window comprise a glass substrate, and the glass substrate comprises one or more of a single glass assembly, a double-layer laminated glass assembly, a multi-layer laminated glass assembly and a hollow laminated glass assembly.

The photovoltaic heat-insulation component with the structure is directly attached to a glass curtain wall or a window, the construction is simple, the installation is convenient, the installation cost of the engineering is greatly reduced, the energy-saving effect of the wall surface is improved, the vacuum heat-insulation board is favorable for being popularized and applied on the wall surface of a building, and the energy conservation and emission reduction of the building are promoted.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a photovoltaic thermal insulation module provided in example 1;

FIG. 2 is an enlarged partial view of circle A of FIG. 1;

description of reference numerals:

11-a substrate; 12-solar cell chip; 13-a photovoltaic adhesive layer;

21-vacuum insulation board; 22-drying layer; 23-insulating adhesive layer;

3-an insulating adhesive layer;

4-waterproof breathable layer.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Example 1

The present embodiment provides a photovoltaic thermal insulation assembly, as shown in fig. 1 and fig. 2, including: the photovoltaic module, the binder component and the heat preservation component are sequentially stacked from top to bottom. When the photovoltaic module is used, the upper side is the side receiving solar irradiation, the lower side is the side back to the solar irradiation, the photovoltaic module comprises a light-transmitting substrate 11 arranged on the outer side and a solar cell chip 12 attached to the inner side of the substrate 11, and the substrate 11 and the solar cell chip 12 are bonded into a whole through a photovoltaic adhesive layer 13; the heat preservation assembly is bonded with the backlight side of the photovoltaic assembly into a whole through the adhesive assembly.

In the present embodiment, as shown in fig. 1 and 2, in the photovoltaic module, the substrate 11, the solar cell chip 12, and the photovoltaic adhesive layer 13 are stacked in this order from top to bottom. For example, the solar cell chip 12 is a solar thin film cell, which has good weak light, shock resistance, and deformation resistance, and thus does not fail, thereby maintaining long-term operational use performance. The substrate 11 is a light-transmissive substrate 11, such as tempered glass or semi-tempered glass, to improve shock resistance and structural robustness of the substrate 11.

As shown in fig. 1 and 2, the adhesive layer in this embodiment is an insulating adhesive layer 3, the insulating adhesive layer 3 is directly attached below the photovoltaic adhesive layer 13, and functions of connecting the photovoltaic module and the thermal insulation module are achieved, and meanwhile, the insulating adhesive layer is used in cooperation with the substrate 11, so that the purpose of fire prevention and flame retardation is achieved, and the insulating property of the photovoltaic thermal insulation module is further improved.

As shown in fig. 1 and 2, the heat preservation assembly is also provided with from top to bottom in sequence along the vertical direction: the heat-insulating adhesive layer 23, the waterproof breathable layer 4 and the heat-insulating layer, and the drying layer 22 is coated on the outer layer of the heat-insulating layer. Specifically, the heat insulation layer is a vacuum heat insulation plate 21, and if an ultrathin heat insulation plate is adopted, the arrangement of the heat insulation layer has the function of heat insulation of the inner side structure of the heat insulation layer; the drying layer 22 adopts glass fiber cloth which is coarse fiber and plays a role in balancing the internal pressure and the external pressure of the heat-insulating layer; meanwhile, the drying layer 22 further plays a role in drying, waterproofing and dehumidifying the vacuum insulation board 21, and further improves the heat insulation performance of the vacuum insulation board 21.

In this embodiment, the waterproof and breathable layer 4 is a waterproof and breathable film, such as PTFE (polytetrafluoroethylene). The waterproof breathable layer 4 is arranged, so that the waterproof effect on the heat insulation assembly is further improved, and the heat insulation performance of the vacuum heat insulation plate 21 serving as a heat insulation layer is further improved; meanwhile, the photovoltaic heat-insulating assembly is prevented from generating and forming bubbles during manufacturing and processing, and the yield of the photovoltaic heat-insulating assembly is improved.

In this embodiment, the photovoltaic adhesive layer 13, the thermal insulation adhesive layer 23, and the insulating adhesive layer 3 may all adopt one of EVA (ethylene-vinyl acetate copolymer), PVB (polyvinyl butyral), or POE (Polyolefin elastomer), and the insulating adhesive layer 3 is made of a material added with an insulating material, compared with the photovoltaic adhesive layer 13 and the thermal insulation adhesive layer 23, so as to further improve the insulating effect of the insulating adhesive layer 3.

In this embodiment, the glass may be a color transparent glass, and the surface of the glass may be formed with a pattern according to the specific use requirement of the customer. The photovoltaic adhesive layer 13 can also be selected according to specific use requirements, such as a transparent film layer or a colored film layer.

As shown in fig. 1 and fig. 2, in the photovoltaic thermal insulation module provided in this embodiment, a solar thin film battery and tempered glass are laminated and bonded through a POE film of a hot-melt photovoltaic adhesive layer 13 and a high-pressure reactor to form a photovoltaic module, and an insulating adhesive layer 3 is bonded on one side of the solar thin film battery; meanwhile, the glass fiber cloth is coated on the periphery of the vacuum heat-insulation board 21, and a waterproof breathable film and a POE film of a hot-melt heat-insulation adhesive layer 23 are pressed into one side of the glass fiber cloth to form a heat-insulation assembly; and finally, arranging the photovoltaic adhesive layer 13 and the heat preservation adhesive layer 23 in the photovoltaic assembly and the heat preservation assembly oppositely on one side of the POE film, and laminating through a high-pressure reaction kettle. Thus, the photovoltaic heat-insulating assembly is obtained.

It is noted that the melting temperature of the hot melt adhesive should not exceed the temperature of the chip package in the solar cell.

According to the photovoltaic heat-insulation component provided by the embodiment, the heat-insulation component is arranged, so that the heat-insulation function is realized on a building structure, and the building energy consumption is greatly reduced; in addition, the solar cell chip 12 of the photovoltaic module is organically combined with the heat insulation module, and the solar cell chip 12 absorbs solar energy and converts the solar energy into electric energy, so that electric power resources are generated to effectively utilize the solar energy.

As a first alternative implementation manner of this embodiment, the adhesive assembly may further include a plurality of insulating adhesive layers 3 and a common adhesive layer stacked on top of each other, and the more the adhesive layers are disposed, the stronger the interlayer connection force and the interlayer connection force are, and the better the structural stability of the photovoltaic thermal insulation assembly will be, without considering the influence of process complexity and product thickness.

As a second alternative of this embodiment, a drying layer 22 may be provided on either side of the insulation layer to dry the insulation layer.

As a further modification of this alternative embodiment, the drying layer 22 is not provided, and the service life of the insulating layer can be prolonged by using the structure of the material of the insulating layer itself, for example, the material structure is formed by combining aluminum foil and other materials, so as to reduce the water permeability and air permeability inside the insulating layer.

Example 2

The embodiment provides a building photovoltaic heat preservation system, and it includes: building outer wall to and the photovoltaic insulation subassembly that provides in embodiment 1.

Wherein, the outer wall of the building is fixed with a glass curtain wall or a window; the photovoltaic heat-insulating assembly is fixed on a glass curtain wall or a window. In this embodiment, the glass curtain wall or window includes a glass substrate. Specifically, the glass substrate comprises one or more of a single glass assembly, a double-layer laminated glass assembly, a multi-layer laminated glass assembly and a hollow laminated glass assembly.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A photovoltaic thermal insulation assembly, characterized by comprising:

a thermal insulation assembly comprising a thermal insulation layer;

2. The photovoltaic thermal insulation assembly according to claim 1, wherein the thermal insulation layer is a vacuum thermal insulation board.

3. The photovoltaic thermal insulation assembly according to claim 2, further comprising a drying layer coated on an outer layer of the vacuum thermal insulation plate.

4. The photovoltaic thermal insulation assembly according to claim 3, further comprising a waterproof and breathable layer disposed on the side of the drying layer adjacent to the photovoltaic assembly.

5. The photovoltaic thermal insulation assembly according to claim 4, further comprising a thermal insulation adhesive layer disposed on the waterproof breathable layer and adjacent to one side of the photovoltaic assembly, wherein the thermal insulation adhesive layer is fixedly connected to the adhesive assembly.

6. The photovoltaic thermal insulation assembly according to claim 1, wherein the substrate is made of tempered glass or semi-tempered glass.

7. The photovoltaic thermal insulation assembly according to claim 6, wherein the substrate is colored transparent glass, and/or a pattern is formed on the surface of the substrate.

8. The photovoltaic thermal insulation assembly of claim 6, wherein the photovoltaic adhesive layer is a clear film layer or a colored film layer.

9. The photovoltaic thermal module according to any one of claims 1 to 8, wherein the solar cell chip is a solar thin film cell.

10. A photovoltaic heat preservation system for buildings is characterized by comprising

The building outer wall is fixed with a glass curtain wall or a window;

and a photovoltaic thermal insulation component fixed to the glass curtain wall or window, the photovoltaic thermal insulation component being as claimed in any one of claims 1 to 9.