CN215670492U

CN215670492U - Photovoltaic wallboard

Info

Publication number: CN215670492U
Application number: CN202121398156.1U
Authority: CN
Inventors: 罗多; 杨雯; 郑清涛; 荣中秋; 周青; 马武兴; 程妍; 李晟; 曾伟清; 王坛; 刘富民
Original assignee: Shuifa Xingye Energy Zhuhai Co ltd; Zhuhai Xingye Energy Saving Science And Technology Co ltd; Zhuhai China Construction Xingye Green Building Design Institute Co ltd; Zhuhai Singyes Green Building Technology Co Ltd; Shuifa Energy Group Co Ltd
Current assignee: Shuifa Xingye Energy Zhuhai Co ltd; Zhuhai Xingye Energy Saving Science And Technology Co ltd; Zhuhai China Construction Xingye Green Building Design Institute Co ltd; Zhuhai Singyes Green Building Technology Co Ltd; Shuifa Energy Group Co Ltd
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2022-01-28
Anticipated expiration: 2031-06-23

Abstract

The utility model discloses a photovoltaic wallboard, and belongs to the technical field of photovoltaic buildings. The photovoltaic wallboard comprises: photovoltaic module and aluminium alloy, photovoltaic module include photovoltaic board, honeycomb panel, heat preservation and protective layer, be provided with first glue film directly over the photovoltaic board, one side that the photovoltaic board was kept away from to first glue film links together with one side bonding of honeycomb panel, one side that first glue film was kept away from to the honeycomb panel links together with one side bonding of second glue film, one side that the honeycomb panel was kept away from to the second glue film links together with one side bonding of heat preservation, one side that the second glue film was kept away from to the heat preservation links together with one side bonding of third glue film, one side that the heat preservation was kept away from to the third glue film links together with one side bonding of protective layer, one side that the third glue film was kept away from to the protective layer is 90 degrees folded plates all around. The photovoltaic module is provided with the aluminium alloy all around, and the aluminium alloy has protection and fixed action to the photovoltaic module. The photovoltaic wallboard provided by the utility model enables a photovoltaic curtain wall formed by the photovoltaic wallboard to meet the aesthetic requirement of a building, has good photovoltaic performance, can prevent heat from entering a room, and improves the heat insulation effect of the building.

Description

Photovoltaic wallboard

Technical Field

The utility model relates to the technical field of photovoltaic buildings, in particular to a photovoltaic wallboard.

Background

A photovoltaic cell is a photoelectric semiconductor sheet that directly generates electricity using solar energy, wherein a photovoltaic cell constitutes a basic unit of the photovoltaic cell. At present, in order to meet the function of building aesthetics, a photovoltaic system is installed on a building, and the good combination of photovoltaic and the building is realized, so that light energy can be converted into electric energy, and the environmental-friendly building concept can be fully embodied.

In the related art, the photovoltaic wallboard comprises a photovoltaic plate, a honeycomb plate, a heat preservation layer and a protective layer which are sequentially stacked from top to bottom. The heat transfer that the heat preservation can effectually avoid the air convection to arouse consequently coefficient of heat conductivity reduces by a wide margin to make photovoltaic wallboard can have photovoltaic and heat-proof quality simultaneously.

In the correlation technique, photovoltaic wallboard includes photovoltaic module and aluminium alloy, and photovoltaic module stretches into the recess of aluminium alloy all around, and the aluminium alloy has the guard action to photovoltaic module, can prevent that photovoltaic wallboard from appearing colliding with cracked in transportation and installation.

The photovoltaic wall board provided by the related technology is easy to crack during transportation and installation; satisfy the photovoltaic function, but be unfavorable for the heat preservation of building.

Disclosure of Invention

The utility model aims to provide a photovoltaic wallboard which has good photovoltaic performance, can prevent heat from entering a room, improves the heat preservation effect of a building, and can be produced into various colors according to the appearance requirement of the building.

A photovoltaic wallboard comprising: photovoltaic module, aluminium alloy, photovoltaic module still include photovoltaic board, honeycomb panel, heated board and protective layer, be provided with first glue film directly over the photovoltaic board, photovoltaic module's one side and honeycomb panel's one side bonding link together are kept away from to first glue film, the honeycomb panel is kept away from one side of first glue film and is linked together with one side bonding of second glue film, one side that honeycomb panel was kept away from to the second glue film links together with one side bonding of heat preservation, one side that the second glue film was kept away from to the heat preservation links together with third glue film bonding. One side of the third adhesive layer, which is far away from the heat-insulating layer, is bonded with one side of the protective layer, and 90-degree folded plates are arranged on the periphery of one side of the protective layer, which is far away from the third adhesive layer.

The periphery of the photovoltaic module is provided with aluminum profiles, and 90-degree folded plates on the periphery of the protective layer are fixed on the aluminum profiles.

The first adhesive layer, the second adhesive layer and the third adhesive layer are polyurethane adhesive layers;

the honeycomb plate is one of an aluminum honeycomb core material and a steel honeycomb core material;

the insulating layer is made of a vacuum insulating plate;

the protective layer is made of an aluminum plate with the thickness of 2 mm; the length of the 90-degree folded plate around the protective layer is 50 mm;

the photovoltaic module is characterized in that the aluminum profile is provided with a groove, and the periphery of the photovoltaic panel and the periphery of the honeycomb panel extend into the groove so as to enhance the protection and fixation of the aluminum profile on the photovoltaic module;

the 90-degree folded plates on the periphery of the protective layer are fixed on the fixing surface of the aluminum profile through fasteners;

the technical scheme provided by the embodiment of the utility model has the beneficial effects that at least:

according to the photovoltaic wallboard provided by the embodiment of the utility model, the photovoltaic board and the honeycomb board extend into the groove of the aluminum profile, the aluminum profile has a protection effect on the photovoltaic module, and the photovoltaic wallboard can be prevented from colliding and cracking in the transportation and installation processes; this photovoltaic board can be produced into various colours according to building outward appearance demand, both can increase the artistic effect of building, has building aesthetic function, and the photovoltaic wallboard is equipped with the heat preservation to make the photovoltaic wallboard can have thermal-insulated performance of heat preservation simultaneously.

In conclusion, the photovoltaic wallboard disclosed by the embodiment of the utility model has a photovoltaic function, and can be integrated with a building, the photovoltaic board can be produced into various colors according to the appearance requirement of the building, the artistic effect of the building can be increased, the functions of building aesthetics and the like are realized, and the advantages of heat insulation, heat preservation, convenience in installation and the like are also realized.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below.

Fig. 1 is a schematic structural view of a photovoltaic wall panel provided by an embodiment of the present invention;

FIG. 2 is an enlarged view at A of FIG. 1 provided by an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an aluminum profile provided by an embodiment of the utility model;

wherein the various reference numbers of the drawings are as follows:

10-photovoltaic module

11-photovoltaic panel 12-honeycomb panel 13-heat-insulating layer 14-protective layer

15-first adhesive layer 16-second adhesive layer 17-third adhesive layer

20-aluminum profile 20 a-groove 20 b-fixed surface 20 c-connecting groove

1-first gap 2-second gap 3-sealant.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

In embodiments of the present invention, reference to "upper" and "lower" is made with reference to the orientation shown in figures 1 and 3.

In one aspect, the embodiment of the present invention provides a photovoltaic wallboard, as shown in fig. 1, the photovoltaic wallboard includes a photovoltaic module 10, an aluminum profile 20; further, the photovoltaic module 10 further includes: photovoltaic board 11, honeycomb panel 12, heat preservation 13 and protective layer 14, be provided with first glue film 15 directly over photovoltaic board 11, one side that photovoltaic board 11 was kept away from to first glue film 15 links together with one side bonding of honeycomb panel 12, one side that first glue film 15 was kept away from to honeycomb panel 12 links together with one side bonding of second glue film 16, one side that honeycomb panel 12 was kept away from to second glue film 16 links together with one side bonding of heat preservation 13, one side that second glue film 16 was kept away from to heat preservation 13 links together with third glue film 17 bonding. One side of the third adhesive layer 17 far away from the heat insulation layer 13 is bonded with one side of the protective layer 14, and 90-degree folded plates are arranged on the periphery of one side of the protective layer 14 far away from the third adhesive layer 17.

The periphery of the photovoltaic module 10 is provided with aluminum profiles 20, and 90-degree folded plates on the periphery of the protective layer 14 are fixed on the aluminum profiles 20.

According to the photovoltaic wallboard provided by the utility model, the photovoltaic board 11 and the honeycomb panel 12 extend into the groove 20a of the aluminum profile 20, the aluminum profile 20 has a protection effect on the photovoltaic component 10, and the photovoltaic wallboard can be prevented from being collided and cracked in the transportation and installation processes; this photovoltaic board 11 can be produced into various colours according to building outward appearance demand, both can increase the artistic effect of building, has building aesthetic function, and the photovoltaic wallboard is equipped with heat preservation 13 to make the photovoltaic wallboard can have thermal-insulated performance of heat preservation simultaneously.

In conclusion, the photovoltaic wallboard disclosed by the embodiment of the utility model has a photovoltaic function, and can be integrated with a building, the photovoltaic board can be produced into various colors according to the appearance requirements of the building, the artistic effect of the building can be increased, the functions of building aesthetics and the like are realized, and the advantages of heat insulation, heat preservation, simple structure and the like are also realized.

In the embodiment of the present invention, the photovoltaic panel 11 may be provided in various structures, and as an example, the photovoltaic panel 11 includes: the solar cell comprises a photovoltaic front plate, a solar cell, a plastic plate and a back plate which are sequentially stacked from top to bottom. The photovoltaic front plate is made of glass in consideration of the requirement of the photovoltaic front plate to have a light transmission function.

The solar cell can be a cadmium telluride thin film cell and has the advantages of being high in conversion rate, stable in performance, far lower in production cost than solar cells made of other materials and the like.

The plastic plate can preferably adopt an EVA plate with high toughness, strong impact resistance and good heat sealing performance, and the EVA plate is a plate body formed by ethylene-vinyl acetate copolymer, thereby being beneficial to fixing the solar cell and improving the fixing effect.

The back plate can preferably adopt a PET plate with smooth surface, small abrasion and high hardness, and the PET plate is a plate body consisting of polyethylene terephthalate, thereby being beneficial to improving the durability of the photovoltaic plate 11.

As for the material of the honeycomb panel 12, one of an aluminum honeycomb core material and a steel honeycomb core material having light weight and high strength can be selected to effectively support the photovoltaic wall panel, and the embodiment of the present invention is preferably adopted.

In addition, the heat-insulating layer 13 is made of a vacuum heat-insulating plate which is moisture-proof and waterproof, has water absorption and moisture absorption rates almost equal to zero, and has a more stable heat-insulating effect. The vacuum insulation panel has the characteristic of blocking heat transfer caused by air convection, can greatly reduce the heat conductivity coefficient, and effectively blocks heat transferred from the photovoltaic panel 11.

Furthermore, the first adhesive layer 15, the second adhesive layer 16 and the third adhesive layer 17 are polyurethane adhesive layers, and the adhesives can be made into adhesives with different hardness and elongation, so that the design idea that the adhesive layers can be adjusted from flexibility to rigidity at will is achieved, and the adhesion of different materials is met.

Wherein, the polyurethane viscose can permeate into the honeycomb core material, so that the bonding effect is better.

As shown in fig. 2, the photovoltaic panel 11 and the honeycomb panel 12 extend into the groove 20a of the aluminum profile 20, a filling member is arranged between the photovoltaic front panel and the aluminum profile 20, the filling member is arranged in the first gap 1, and a sealant 3 for plugging the external opening of the first gap 1 is arranged on the filling member. Wherein, the filling piece can be preferably a silica gel strip with excellent ozone aging resistance, oxygen aging resistance and light aging resistance so as to adapt to the size of the whole first gap 1; simultaneously, the filler piece can be favorable to the increase to add the adsorption plane of putting into sealed glue 3, lets sealed glue 3 adsorb respectively on photovoltaic front bezel and aluminium alloy 20, improves sealed stability and the sealed effect of gluing 3 effectively.

In addition, be equipped with the filler between photovoltaic board 11 and honeycomb panel 12 and aluminium alloy 20 all around, the filler set up in the second interval 2, the filler can be preferably the silica gel strip that has excellent ozone aging resistance, oxygen ageing, photoaging's performance, and simultaneously, the filler can be favorable to avoiding producing the friction and collision between photovoltaic board 11, honeycomb panel 12 and the aluminium alloy 20, has the guard action to photovoltaic board 11 and honeycomb panel 12.

The structure of the aluminum profile 20 can be set to be a hollow structure so as to reduce the weight of the photovoltaic wallboard and facilitate the fixed installation of the photovoltaic wallboard.

As an example, the aluminum profile 20 with the above structure is elaborately designed, as shown in fig. 3, a groove 20a for protecting the photovoltaic module 10, a fixing surface 20b for fixing the photovoltaic module 10, and a connecting groove 20c for fixedly installing the photovoltaic wall panel are provided on the aluminum profile 20. The groove 20a is arranged below the fixing surface 20b, and the groove 20a and the fixing surface 20b are in the same direction; the fixing surface 20b is perpendicular to the position of the coupling groove 20 c. The connecting grooves 20c connect the fixing members to fix the photovoltaic wall panel on the support member extended from the building body. The photovoltaic wallboard is convenient to fix and install.

The aluminum profile 20 is integrally formed, and has the characteristic of high connection strength based on the integral forming, and the embodiment of the utility model is preferably adopted.

As shown in the attached figure 1, the surface area of the protective layer 14 is equal to that of the insulating layer 13, 90-degree folded plates are arranged on the periphery of the protective layer 14, and the length of each folded plate is 50 mm.

In the present invention, the protective layer 14 may be made of a plastic plate or an aluminum plate. Based on the advantage that the aluminum plate has high strength, the embodiment of the utility model is preferably adopted.

The protective layer 14 is made of an aluminum plate with the thickness of 2mm, the plate surface and the folded plates with the 90-degree peripheries can be welded or integrally formed in sequence, and the protective layer is high in connection strength based on the characteristic of integral forming.

As shown in fig. 2, the 90-degree folded plate around the protective layer 14 is detachably connected to the fixing surface 20b of the aluminum profile 20 by a fastener. This kind of connected mode can improve the joint strength of protective layer 14 and aluminium alloy 20.

Wherein, the fastener can be self-tapping screw, and this type of fastener not only is convenient for obtain, and low price.

The above description is only an illustrative embodiment of the present invention, and should not be taken as limiting the scope of the utility model, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A photovoltaic wallboard comprising: the photovoltaic module (10) is characterized by further comprising a photovoltaic panel (11), a honeycomb panel (12), a heat preservation layer (13) and a protective layer (14), wherein a first glue layer (15) is arranged right above the photovoltaic panel (11), one side, far away from the photovoltaic panel (11), of the first glue layer (15) is bonded and connected with one side of the honeycomb panel (12), one side, far away from the first glue layer (15), of the honeycomb panel (12) is bonded and connected with one side of a second glue layer (16), one side, far away from the honeycomb panel (12), of the second glue layer (16) is bonded and connected with one side of the heat preservation layer (13), and one side, far away from the second glue layer (16), of the heat preservation layer (13) is bonded and connected with one side of a third glue layer (17); one side of the third adhesive layer (17) far away from the heat-insulating layer (13) is bonded with one side of the protective layer (14), and 90-degree folded plates are arranged on the periphery of one side of the protective layer (14) far away from the third adhesive layer (17); the periphery of the photovoltaic module (10) is provided with aluminum profiles (20), and 90-degree folded plates on the periphery of the protective layer (14) are fixed on the aluminum profiles (20).

2. The photovoltaic wallboard of claim 1, wherein the first, second and third glue layers (15, 16, 17) are polyurethane glue layers.

3. The photovoltaic wallboard of claim 1, wherein the honeycomb panel (12) is one of an aluminum honeycomb core and a steel honeycomb core.

4. The photovoltaic wallboard according to claim 1, wherein the material of the insulating layer (13) is a vacuum insulation panel.

5. Photovoltaic wall panel according to claim 1, characterized in that the material of the protective layer (14) is an aluminium sheet with a thickness of 2 mm; the length of the 90-degree folded plate around the protective layer (14) is 50 mm.

6. The photovoltaic wallboard according to claim 1, wherein the aluminum profiles (20) are provided with grooves (20 a), and the photovoltaic panels (11) and the honeycomb panels (12) extend into the grooves (20 a) around to enhance the protection and fixation of the aluminum profiles (20) to the photovoltaic modules (10).

7. The photovoltaic wall panel according to claim 1, wherein the 90 degree flaps around the protective layer (14) are fixed to the fixing surface (20 b) of the aluminum profile (20) by fasteners.