Photovoltaic thermal insulation decorative plate

Abstract

The utility model discloses a photovoltaic thermal insulation decorative plate, which comprises a photovoltaic power generation unit, a heat dissipation plate, a thermal insulation layer and a protective bottom plate which are sequentially attached, the back face of the photovoltaic power generation unit is adhered to the front face of the heat dissipation plate through an adhesive layer, and the back face of the heat dissipation plate is attached to the front face of the thermal insulation layer. The back face of the heat preservation layer is attached to the front face of the protection bottom plate. A photovoltaic power generation unit with capacity and an energy-saving thermal insulation layer are compounded and prefabricated into unit type products, modular installation is conducted on a construction site, installation is rapid and convenient, the period is short, cost is saved, meanwhile, a heat dissipation plate is integrally installed, the photovoltaic power generation temperature is reduced, the power generation efficiency is improved, the weight of an integrated product can be reduced, and the integrated product can be applied to building outer walls. The weight is far lower than that of a double-glass curtain wall structure.

Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic power generation field especially is related to a photovoltaic heat preservation decorative plate. BACKGROUND

[0002] With the development of building energy saving and green building, building energy saving will develop from heat preservation energy saving to building energy saving and energy production. The existing energy production and power generation technical solutions are mostly through the curtain wall installation mode, which separates the power generation solar component and the heat preservation material for construction. Firstly, the nakedness of the building heat preservation material causes the risk of heat preservation failure and shedding. Secondly, this separated construction method is complicated in process, long in construction period and high in cost. At the same time, the existing photovoltaic decorative plate does not consider the heat dissipation problem, and the excessively high working temperature will reduce the power generation efficiency of the photovoltaic product.

[0003] Therefore, how to provide a photovoltaic heat preservation decorative plate with a heat dissipation structure is a technical problem that technicians in the field need to solve at present. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a photovoltaic heat preservation decorative plate, which integrates the photovoltaic power generation unit, the heat dissipation plate and the heat preservation layer, so that the photovoltaic heat preservation decorative plate has the heat dissipation function and improves the power generation efficiency.

[0005] To solve the above technical problems, the utility model provides a photovoltaic heat preservation decorative plate, which comprises a photovoltaic power generation unit, a heat dissipation plate, a heat preservation layer and a protective bottom plate which are sequentially attached, the back surface of the photovoltaic power generation unit is attached to the front surface of the heat dissipation plate through an adhesive layer, the back surface of the heat dissipation plate is attached to the front surface of the heat preservation layer, and the back surface of the heat preservation layer is attached to the front surface of the protective bottom plate.

[0006] Preferably, the photovoltaic power generation unit comprises a light-transmitting plate, a first adhesive film layer, a cell piece, a second adhesive film layer and a back plate layer which are sequentially attached, and the back surface of the back plate layer is attached to the front surface of the heat dissipation plate.

[0007] Preferably, the light-transmitting plate is specifically a glass plate, the first adhesive film layer and the second adhesive film layer are specifically EVA layers, EPE layers, POE layers or PVB layers, the cell piece is specifically a P-type, N-type, HJT-type or BC-type monocrystalline silicon cell, and the back plate layer is specifically a fluorine film and a polyester multilayer composite structure or a glass fiber reinforced structure.

[0008] Preferably, the adhesive layer comprises a silicone structural adhesive, a polyurethane adhesive, a weather-resistant sealant and / or an adhesive film.

[0009] Preferably, the heat dissipation plate is specifically an aluminum plate or a honeycomb aluminum plate with corrugated heat dissipation channels.

[0010] Preferably, the heat preservation layer is specifically rock wool, vacuum insulation board, thermosetting composite insulation board or aerogel board.

[0011] Preferably, the protective bottom plate is specifically calcium silicate board, cement perforated plate or metal perforated plate.

[0012] Preferably, the light-transmitting plate, the first adhesive film layer, the battery piece, the second adhesive film layer and the back plate layer are laminated, and the photovoltaic power generation unit, the adhesive layer, the heat dissipation plate, the heat preservation layer and the protective bottom plate are cold-pressed and combined.

[0013] Preferably, the light-transmitting plate, the first adhesive film layer, the battery piece, the second adhesive film layer, the back plate layer and the adhesive layer are laminated, and the heat dissipation plate, the heat preservation layer and the protective bottom plate are cold-pressed and combined.

[0014] Preferably, a plurality of junction boxes connected to the photovoltaic power generation unit are arranged on the protective bottom plate, the junction boxes are arranged at the outer peripheral edges of the protective bottom plate, and the plurality of junction boxes are located at the same outer peripheral edge or the plurality of junction boxes are located at opposite outer peripheral edges.

[0015] The utility model provides a photovoltaic heat preservation decorative plate, including photovoltaic power generation unit, heat dissipation plate, heat preservation layer and protective bottom plate that stick in proper order, the back of photovoltaic power generation unit is adhered to the front of heat dissipation plate through adhesive layer, the back of heat dissipation plate sticks the front of heat preservation layer, and the back of heat preservation layer sticks the front of protective bottom plate.

[0016] The energy-efficient heat preservation layer is combined with the energy-generating photovoltaic power generation unit to be prefabricated into a unit product, which is modularly installed at the construction site, fast and convenient to install, short in cycle and low in cost, and integrated with the heat dissipation plate, reduces the photovoltaic power generation temperature, improves the power generation efficiency, reduces the weight of the integrated product, and is applied to the building outer wall, and the weight is far lower than that of the double-glass curtain wall structure. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of a specific embodiment of the photovoltaic heat preservation decorative plate provided by the utility model;

[0018] Figure 2 It is a back structure schematic view of embodiment one of the photovoltaic heat preservation decorative plate provided by the utility model;

[0019] Figure 3 It is a back structure schematic view of embodiment two of the photovoltaic heat preservation decorative plate provided by the utility model;

[0020] Figure 4 It is a back structure schematic view of embodiment three of the photovoltaic heat preservation decorative plate provided by the utility model.

[0021] The photovoltaic power generation unit 1, the light-transmitting plate 11, the first adhesive film layer 12, the battery piece 13, the second adhesive film layer 12, the back plate layer 15, the adhesive layer 2, the heat dissipation plate 3, the thermal insulation layer 4, the protective bottom plate 5 and the junction box 6 are sequentially connected. DETAILED DESCRIPTION

[0022] The core of the photovoltaic thermal insulation decorative plate is to integrate the photovoltaic power generation unit, the heat dissipation plate and the thermal insulation layer, so that the photovoltaic thermal insulation decorative plate has the heat dissipation function and the power generation efficiency is improved.

[0023] In order to enable the personnel in the technical field to better understand the scheme of the utility model, the utility model will be further described in detail in combination with the drawings and the specific embodiments.

[0024] Please refer to Figure 1 , Figure 1 The utility model provides a kind of structural schematic diagram of specific embodiment of photovoltaic thermal insulation decorative plate provided by the utility model.

[0025] The utility model specific embodiment provides a kind of photovoltaic thermal insulation decorative plate, including sequentially adhered photovoltaic power generation unit 1, heat dissipation plate 3, thermal insulation layer 4 and protective bottom plate 5, the back of photovoltaic power generation unit 1 is adhered to the front of heat dissipation plate 3 by adhesive layer 2, heat dissipation plate 3 back surface adheres thermal insulation layer 4 front surface, and thermal insulation layer 4 back surface adheres protective bottom plate 5 front surface.

[0026] The energy-efficient photovoltaic power generation unit and the energy-saving thermal insulation layer are combined to be prefabricated into a block unit product, and the modular installation is carried out at the construction site, so that the installation is fast and convenient, the cycle is short, the cost is saved, the heat dissipation plate is integrated and installed, the photovoltaic power generation temperature is reduced, the power generation efficiency is improved, the weight of the integrated product is reduced, the photovoltaic thermal insulation decorative plate is applied to building outer wall, and the weight is far lower than that of double glass curtain wall structure.

[0027] The photovoltaic power generation unit 1 includes light-transmitting plate 11, first adhesive film layer 12, battery piece 13, second adhesive film layer 14 and back plate layer 15, which are sequentially adhered, the back of light-transmitting plate 11 is adhered to the front of battery piece 13 by first adhesive film layer 12, the back of battery piece 13 is adhered to the front of back plate layer 15 by second adhesive film layer 14, and the back of back plate layer 15 is adhered to the front of heat dissipation plate 3.

[0028] Specifically, the light-transmitting plate 11 can adopt a high polymer transparent material, and can also adopt a glass plate. The thickness of the glass plate ranges from 0.5 mm to 5 mm, and the typical thickness values can be 0.8 mm, 1.1 mm, 1.6 mm, 2 mm, 3.2 mm, etc. The glass can adopt processes such as calendaring, anti-glare, colored glaze, calendaring colored glaze, and anti-glare colored glaze, to achieve consistency with aluminum plates, stone materials, and other non-light-transmitting curtain walls in terms of visual appearance, and to respect and highly integrate with architecture.

[0029] The first adhesive film layer 12 and the second adhesive film layer 14 are specifically EVA layers, EPE layers, POE layers, or PVB layers, the battery piece 13 is specifically a P-type, N-type, HJT-type, or BC-type monocrystalline silicon battery, and the back plate layer 15 is specifically a fluorine film and a polyester multilayer composite structure or a glass fiber reinforced structure and the like high polymer material.

[0030] In the photovoltaic heat preservation decorative plate provided in the specific embodiment of the utility model, the adhesive layer 2 comprises silicone structural adhesive, polyurethane adhesive, weather-resistant sealant, and / or adhesive film. Preferably, the heat dissipation plate 3 is specifically an aluminum plate or a honeycomb aluminum plate with corrugated heat dissipation channels. The photovoltaic power generation unit 1 is attached to the heat dissipation corrugated channel aluminum plate, and the channels are vertically fixed, which can utilize the "chimney effect" of the corrugated channels to quickly circulate gas for heat conduction and dissipation, thereby reducing the photovoltaic power generation temperature. The heat preservation layer 4 is specifically a fireproof material such as rock wool, vacuum heat insulation plate, thermosetting composite heat preservation plate, or aerogel plate, and the thickness of the heat preservation core material can be any thickness that meets the energy-saving design requirements, and the typical thickness is 30 mm, 40 mm, 50 mm, 60 mm, or 70 mm. The protective bottom plate 5 is specifically a calcium silicate plate, a cement perforated plate, or a metal perforated plate. The materials and sizes of the components can also be adjusted according to the situation, which are all within the protection scope of the utility model.

[0031] In one specific embodiment, the light-transmitting plate 11, the first adhesive film layer 12, the battery piece 13, the second adhesive film layer 14, and the back plate layer 15 are laminated and formed, and the photovoltaic power generation unit 1, the adhesive layer 2, the heat dissipation plate 3, the heat preservation layer 4, and the protective bottom plate 5 are cold-pressed and compounded. First, the glass plate, the first adhesive film layer 12, the battery piece 13, the second adhesive film layer 14, and the high polymer back plate are laminated together to prepare the photovoltaic power generation unit 1, the lamination temperature is 140℃-170℃, the lamination time is 15 min-3 h, and the lamination pressure is -0.03~-1.5 MPa. Then, the photovoltaic power generation unit 1 is cold-pressed and compounded with the heat dissipation perforated corrugated aluminum plate, the heat preservation layer 4, and the protective bottom plate 5 through the silicone adhesive layer, the cold-pressing time is 4-8 h, and the cold-pressing pressure is 3~10 MPa.

[0032] In another specific embodiment, the light-transmitting plate 11, the first adhesive film layer 12, the battery piece 13, the second adhesive film layer 14, the back plate layer 15, the adhesive layer 2 and the heat dissipation plate 3 are laminated and formed, and the heat dissipation plate 3, the heat preservation layer 4 and the protective bottom plate 5 are cold-pressed and combined. The glass plate, the first adhesive film layer 12, the battery piece 13, the second adhesive film layer 14, the polymer back plate, the adhesive layer 2 and the heat dissipation through-hole corrugated aluminum plate are laminated together to prepare the photovoltaic power generation unit 1 with the support of the heat dissipation channel aluminum plate, the lamination temperature is 130-160 DEG C, the lamination time is 15-45 min, and the lamination pressure is-30 to-40 kpa, and then the photovoltaic power generation unit 1 with the support of the heat dissipation channel aluminum plate is cold-pressed and combined with the heat preservation layer 4 and the protective bottom plate 5 through the polyurethane adhesive layer, the cold-pressing time is 4-8 h, and the cold-pressing pressure is 3-10 MPa.

[0033] Please refer to Figures 2 to 4 , Figure 2 It is the back structure schematic view of the photovoltaic heat preservation decorative plate of the embodiment one provided by the utility model. Figure 3 It is the back structure schematic view of the photovoltaic heat preservation decorative plate of the embodiment two provided by the utility model. Figure 4 It is the back structure schematic view of the photovoltaic heat preservation decorative plate of the embodiment three provided by the utility model.

[0034] On the basis of the photovoltaic heat preservation decorative plate provided in the above-mentioned various specific embodiments, a plurality of junction boxes 6 connected with the photovoltaic power generation unit 1 are arranged on the protective bottom plate 5, the junction boxes 6 are arranged on the outer peripheral edge of the protective bottom plate 5, and the plurality of junction boxes 6 are located on the same outer peripheral edge or the opposite two outer peripheral edges.

[0035] In the embodiment one, the protective bottom plate 5 is a rectangular plate, one side edge of the photovoltaic power generation unit 1 protrudes from one side short edge of the protective bottom plate 5, the plurality of junction boxes 6 are arranged on the short edge of the protective bottom plate 5 and directly connected with the protruding part of the photovoltaic power generation unit 1. In the embodiment two, the protective bottom plate 5 is a rectangular plate, two side edges of the photovoltaic power generation unit 1 protrude from the opposite two side short edges of the protective bottom plate 5, the plurality of junction boxes 6 are arranged on the two side short edges of the protective bottom plate 5 and directly connected with the protruding part of the photovoltaic power generation unit 1. In the embodiment three, the protective bottom plate 5 is a rectangular plate, the plurality of junction boxes 6 are arranged on the middle part of the two side long edges of the protective bottom plate 5, the wire passing holes are arranged on the corresponding positions of the protective bottom plate 5, and the lead wires of the junction boxes 6 pass through the wire passing holes and are connected with the photovoltaic power generation unit 1. The number and layout mode of the junction boxes 6 can also be adjusted according to the situation, which are all within the protection scope of the utility model.

[0036] The photovoltaic heat-preservation decorative plate provided by the present application is described in detail. The principle and implementation mode of the present application are described by applying specific examples. The above description of the examples is only used to help understand the method of the present application and its core idea. It should be pointed out that, for ordinary skilled persons in the technical field, some improvements and modifications can be made to the present application without departing from the principle of the present application, and these improvements and modifications also fall within the protection scope of the present application.

Claims

1. A photovoltaic thermal insulation decorative panel, characterized in that, The photovoltaic power generation unit (1), the heat dissipation plate (3), the heat preservation layer (4) and the protective bottom plate (5) are sequentially attached, the back of the photovoltaic power generation unit (1) is attached to the front of the heat dissipation plate (3) through the adhesive layer (2), the back of the heat dissipation plate (3) is attached to the front of the heat preservation layer (4), and the back of the heat preservation layer (4) is attached to the front of the protective bottom plate (5); the heat dissipation plate (3) is specifically an aluminum plate or a honeycomb aluminum plate with corrugated heat dissipation channels.

2. The photovoltaic thermal insulation decorative panel according to claim 1, characterized in that, The photovoltaic power generation unit (1) comprises the light-transmitting plate (11), the first adhesive film layer (12), the cell piece (13), the second adhesive film layer (14) and the back plate layer (15) which are sequentially attached, and the back of the back plate layer (15) is attached to the front of the heat dissipation plate (3).

3. The photovoltaic thermal insulation decorative panel according to claim 2, characterized in that, The light-transmitting plate (11) is specifically a glass plate, the first adhesive film layer (12) and the second adhesive film layer (14) are specifically EVA layers, EPE layers, POE layers or PVB layers, the cell piece (13) is specifically a P-type, N-type, HJT-type or BC-type monocrystalline silicon cell, and the back plate layer (15) is specifically a fluorine film and a polyester multilayer composite structure or a glass fiber reinforced structure.

4. The photovoltaic thermal insulation decorative panel according to claim 1, characterized in that, The adhesive layer (2) comprises silicone structural adhesive, polyurethane adhesive, weather-resistant sealant and / or adhesive film.

5. The photovoltaic thermal insulation decorative panel according to claim 1, wherein, The heat preservation layer (4) is specifically rock wool, a vacuum heat insulation plate, a thermosetting composite insulation plate or an aerogel plate.

6. The photovoltaic thermal insulation decorative panel according to claim 1, characterized in that, The protective bottom plate (5) is specifically a calcium silicate plate, a cement perforated plate or a metal perforated plate.

7. The photovoltaic thermal insulation decorative panel according to claim 2, characterized in that, The light-transmitting plate (11), the first adhesive film layer (12), the cell piece (13), the second adhesive film layer (14) and the back plate layer (15) are laminated and formed, and the photovoltaic power generation unit (1), the adhesive layer (2), the heat dissipation plate (3), the heat preservation layer (4) and the protective bottom plate (5) are cold-pressed and combined.

8. The photovoltaic thermal insulation decorative panel according to claim 2, wherein, The light-transmitting plate (11), the first adhesive film layer (12), the cell piece (13), the second adhesive film layer (14), the back plate layer (15), the adhesive layer (2) and the heat dissipation plate (3) are laminated and formed, and the heat dissipation plate (3), the heat preservation layer (4) and the protective bottom plate (5) are cold-pressed and combined.

9. Photovoltaic thermal insulation cladding panel according to any one of claims 1 to 8, characterized in that A plurality of junction boxes (6) connected with the photovoltaic power generation unit (1) are arranged on the protective bottom plate (5), the junction boxes (6) are arranged at the outer peripheral edges of the protective bottom plate (5), and a plurality of the junction boxes (6) are located at the same outer peripheral edge or a plurality of the junction boxes (6) are located at opposite outer peripheral edges.

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