CN221118989U - A PVT photovoltaic coupled radiant cooling building shading integrated structure - Google Patents

Abstract

The utility model discloses a building sun-shading integrated structure with PVT photovoltaic coupling radiation refrigeration, which comprises a glass curtain wall and a plurality of groups of supporting frames fixedly connected to the front side of the glass curtain wall, wherein the front side of each supporting frame is provided with a plurality of groups of light-shading structures, each light-shading structure comprises an aluminum frame, the top end of the inner wall of each aluminum frame is provided with a photovoltaic module for sun-shading power generation, the bottom end of the inner wall of each aluminum frame is provided with a refrigeration module for radiation refrigeration, the inside of each aluminum frame is provided with a circulating heat exchange module for heat absorption and heat exchange, and both sides of each aluminum frame are provided with rotating parts for adjusting the angle of each aluminum frame.

Description

A PVT photovoltaic coupled radiant cooling building shading integrated structure

Technical Field

The utility model relates to the technical field of building sunshade, in particular to a PVT photovoltaic coupled radiation refrigeration building sunshade integrated structure.

Background technique

The severe environmental problems caused by global warming have attracted worldwide attention. Building energy consumption has always accounted for a large part of China's total energy consumption. It is impossible to fully utilize sunlight and radiation to reduce energy consumption. In existing buildings, a large number of glass curtain walls are usually used for decoration. The daytime lighting problem causes the temperature in the building to rise sharply, and the air-conditioning energy consumption surges. While energy consumption increases, a large number of idle building structures are also not fully utilized, which is not conducive to effective control of building energy consumption.

Utility Model Content

The utility model aims to provide a PVT photovoltaic coupled radiation cooling building shading integrated structure to solve the problems raised in the above background technology.

To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a PVT photovoltaic-coupled radiation cooling building shading integrated structure, comprising a glass curtain wall and a plurality of support frames fixedly connected to the front side of the glass curtain wall, a plurality of shading structures are arranged on the front side of the support frames, the shading structure comprises an aluminum frame, a photovoltaic component for shading and power generation is arranged on the top of the inner wall of the aluminum frame, a refrigeration component for radiation cooling is arranged on the bottom of the inner wall of the aluminum frame, a circulating heat exchange component for heat absorption and heat exchange is arranged inside the aluminum frame, and rotating parts for adjusting the angle of the aluminum frame are arranged on both sides of the aluminum frame.

Preferably, the photovoltaic module comprises tempered glass, a first EVA film is fixedly connected to the bottom end of the tempered glass, and a crystalline silicon cell is fixedly connected to the bottom end of the first EVA film.

Preferably, the bottom end of the crystalline silicon cell is fixedly connected to a second EVA film, the bottom end of the second EVA film is fixedly connected to a TPT back film for protecting the crystalline silicon cell, and the inner wall of the aluminum frame is respectively fixedly connected to the outer wall of the tempered glass, the outer wall of the first EVA film, the outer wall of the crystalline silicon cell, the outer wall of the crystalline silicon cell and the outer wall of the TPT back film.

Preferably, the refrigeration component includes a radiation cooling film, a PE film for protecting the radiation cooling film is fixedly connected to the bottom end of the radiation cooling film, and the inner wall of the aluminum frame is fixedly connected to the outer wall of the radiation cooling film and the outer wall of the PE film respectively.

Preferably, the circulating heat exchange component includes a circulating water pipe, the bottom end of the circulating water pipe is provided with fins for enhancing heat exchange, and the top end of the circulating water pipe is provided with an aluminum plate.

Preferably, the rotating member includes a movable joint symmetrically arranged in a horizontal plane, the movable joint is fixedly connected to one side of the aluminum frame and close to the aluminum frame, and the outer wall of the movable joint is rotatably and interlacedly connected to the inner wall of the support frame.

Technical effects and advantages of the utility model:

The utility model arranges a corresponding shading structure outside the curtain wall. The photovoltaic components in the shading structure absorb solar energy to generate electricity while shading during the day. At the same time, the refrigeration components use radiation to perform passive cooling at night. While utilizing the idle structure of the building for shading, the utility model realizes the conversion and utilization of daytime solar energy and nighttime radiation, which is convenient for controlling the energy consumption of the building.

BRIEF DESCRIPTION OF THE DRAWINGS

Fig. 1 is a schematic diagram of the installation structure of the utility model.

FIG. 2 is a schematic diagram of the sunshade structure of the utility model.

FIG. 3 is a schematic diagram of the interior of the sunshade structure of the present invention.

FIG4 is a cross-sectional view of the sunshade structure of the present utility model.

FIG. 5 is an enlarged view of the structure at point A in FIG. 4 of the present invention.

FIG. 6 is a diagram showing the interlayer structure of a photovoltaic module of the present invention.

FIG. 7 is a diagram showing the interlayer structure of the refrigeration component of the present invention.

In the figure: 1. Glass curtain wall; 2. Support frame; 3. Aluminum frame; 301. Flexible joint; 4. Photovoltaic module; 401. Tempered glass; 402. First EVA film; 403. Crystalline silicon battery; 404. Second EVA film; 405. TPT back film; 5. Refrigeration component; 501. Radiant refrigeration film; 502. PE film; 6. Circulating water pipe; 7. Fin; 8. Aluminum plate.

Detailed ways

The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

The utility model provides a PVT photovoltaic-coupled radiation cooling building shading integrated structure as shown in Figures 1-7, including a glass curtain wall 1 and a plurality of support frames 2 fixedly connected to the front side of the glass curtain wall 1, a plurality of shading structures are arranged on the front side of the support frames 2, the shading structure includes an aluminum frame 3, a photovoltaic component 4 for shading and power generation is arranged on the top of the inner wall of the aluminum frame 3, a refrigeration component 5 for radiation cooling is arranged on the bottom of the inner wall of the aluminum frame 3, a circulating heat exchange component for absorbing heat and exchanging heat is arranged inside the aluminum frame 3, and rotating parts for adjusting the angle of the aluminum frame 3 are arranged on both sides of the aluminum frame 3.

It should be noted that, by arranging a corresponding shading structure outside the glass curtain wall 1, the photovoltaic components 4 in the shading structure absorb solar energy to generate electricity while shading during the day. At the same time, the refrigeration component 5 uses radiation for passive cooling at night. While utilizing the idle structure of the building for shading, the conversion and utilization of daytime solar energy and nighttime radiation is realized, which is convenient for controlling the energy consumption of the building. The circulating heat exchange component is used to exchange the absorbed heat to provide the energy consumption required by the building. At the same time, the flipping of the shading structure is controlled by the rotating part.

The photovoltaic module 4 includes a tempered glass 401 , a first EVA film 402 is fixedly connected to the bottom end of the tempered glass 401 , and a crystalline silicon cell 403 is fixedly connected to the bottom end of the first EVA film 402 .

The bottom end of the crystalline silicon cell 403 is fixedly connected to a second EVA film 404, and the bottom end of the second EVA film 404 is fixedly connected to a TPT back film 405 for protecting the crystalline silicon cell 403. The inner wall of the aluminum frame 3 is respectively fixedly connected to the outer wall of the tempered glass 401, the outer wall of the first EVA film 402, the outer wall of the crystalline silicon cell 403, the outer wall of the crystalline silicon cell 403 and the outer wall of the TPT back film 405.

Furthermore, the various components in the photovoltaic module 4 are isolated by packaging films, and the crystalline silicon cells 403 absorb radiation and output electricity under the protection of the tempered glass 401. The photovoltaic module 4 is used for shading to effectively reduce the indoor temperature. The generated electricity can supplement the city electricity, reduce the energy consumption of air conditioning, and save energy. The photovoltaic module 4 generates heat, which can be taken away by the circulating heat exchange component, thereby improving the power generation efficiency and providing the hot water required in the building.

The refrigeration assembly 5 includes a radiation cooling film 501 , a PE film 502 for protecting the radiation cooling film 501 is fixedly connected to the bottom of the radiation cooling film 501 , and the inner wall of the aluminum frame 3 is fixedly connected to the outer wall of the radiation cooling film 501 and the outer wall of the PE film 502 , respectively.

Furthermore, the refrigeration component 5 includes a radiant cooling film 501 and a PE film 502. The PE film 502 is placed on the surface of the radiant cooling film 501. In actual use, the radiant cooling film 501 is made of a polymer film composed of CA and SiO2, which can achieve radiant cooling below the ambient temperature. The material has high solar reflection ability and high emissivity in the "atmospheric window" band, and the PE film 502 is set to prevent convective heat transfer.

The circulating heat exchange component comprises a circulating water pipe 6 , the bottom end of which is provided with fins 7 for enhancing heat exchange, and the top end of which is provided with an aluminum plate 8 .

In actual use, a circulating heat exchange component is installed under the photovoltaic module 4. The installation order is aluminum plate 8, circulating water pipe 6 made of PP-R plastic and fin 7 made of aluminum. The water flowing in the circulating water pipe 6 can be used to take away the heat generated by the photovoltaic panel, thereby improving the power generation efficiency and providing the hot water required in the building, while the aluminum fin 7 with a high heat exchange rate can exchange heat more efficiently.

The rotating member includes a movable joint 301 symmetrically arranged in a horizontal plane. The side of the movable joint 301 close to the aluminum frame 3 is fixedly connected to one side of the aluminum frame 3. The outer wall of the movable joint 301 and the inner wall of the support frame 2 are rotatably interlaced.

The shading structure can be flipped by rotating and interlacing the flexible joint 301 with the support frame 2, so that the photovoltaic component 4 can be flipped to the light-exposed side during the day, and the refrigeration component 5 can be flipped to the side of the original glass curtain wall 1 at night.

Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a building sunshade integrated structure of PVT photovoltaic coupling radiation refrigeration, includes glass curtain wall (1) and fixed connection at glass curtain wall (1) openly multiunit support frame (2), a serial communication port, support frame (2) openly are provided with multiunit shading structure, shading structure includes aluminium frame (3), aluminium frame (3) inner wall top is provided with photovoltaic module (4) that are used for sunshade electricity generation, aluminium frame (3) inner wall bottom is provided with refrigeration subassembly (5) that are used for radiation refrigeration, aluminium frame (3) inside is provided with the circulation heat transfer subassembly that is used for heat absorption heat transfer, aluminium frame (3) both sides all are provided with the rotating member that is used for adjusting aluminium frame (3) angle.

2. The building sunshade integrated structure with PVT photovoltaic coupling radiation refrigeration according to claim 1, wherein the photovoltaic module (4) comprises toughened glass (401), a first EVA adhesive film (402) is fixedly connected to the bottom end of the toughened glass (401), and a crystalline silicon battery (403) is fixedly connected to the bottom end of the first EVA adhesive film (402).

3. The building sunshade integrated structure with PVT photovoltaic coupling radiation refrigeration according to claim 2, wherein a second EVA adhesive film (404) is fixedly connected to the bottom end of the crystalline silicon battery (403), a TPT back film (405) for protecting the crystalline silicon battery (403) is fixedly connected to the bottom end of the second EVA adhesive film (404), and the inner wall of the aluminum frame (3) is fixedly connected with the outer wall of the toughened glass (401), the outer wall of the first EVA adhesive film (402), the outer wall of the crystalline silicon battery (403) and the outer wall of the TPT back film (405) respectively.

4. The building sun-shading integrated structure based on PVT photovoltaic coupling radiation refrigeration according to claim 1, wherein the refrigeration component (5) comprises a radiation refrigeration film (501), a PE film (502) for protecting the radiation refrigeration film (501) is fixedly connected to the bottom end of the radiation refrigeration film (501), and the inner wall of the aluminum frame (3) is fixedly connected with the outer wall of the radiation refrigeration film (501) and the outer wall of the PE film (502) respectively.

5. The building sun-shading integrated structure with PVT photovoltaic coupling radiation refrigeration according to claim 4, wherein the circulating heat exchange assembly comprises a circulating water pipe (6), fins (7) for enhancing heat exchange are arranged at the bottom end of the circulating water pipe (6), and an aluminum plate (8) is arranged at the top end of the circulating water pipe (6).

6. The building sun-shading integrated structure based on PVT photovoltaic coupling radiation refrigeration according to claim 1, wherein the rotating piece comprises movable joints (301) symmetrically arranged on a horizontal plane, one side of each movable joint (301) close to the aluminum frame (3) is fixedly connected with one side of the aluminum frame (3), and the outer wall of each movable joint (301) is rotatably and alternately connected with the inner wall of the supporting frame (2).