CN105133798A - Building integrated photovoltaics shutter external sunshade system - Google Patents

Abstract

The invention is an external louver sunshade system integrated with photovoltaic building, which belongs to the field of building energy saving and photovoltaic utilization. The louver external sunshade system is composed of PV sunshade louvers, linkage rods, fixed frames, and motors. The PV sunshade louver is a packaged solar photovoltaic utilization device, including glass, battery sheet, EVA film, TPT board, fixed holes are reserved at both ends of the PV sunshade louver, connected to the fixed frame through the fixed hole and the movable shaft, and the fixed frame It is fixedly connected to the exterior wall of the building; the motor uses the electric energy provided by the photovoltaic cell to drive the linkage rod to adjust the angle of the PV sunshade louvers. The present invention can be installed on the outer wall of the building or outside the window to form a new building facade image, which can effectively block a large amount of solar radiation heat, has the function of sunshade and heat insulation, achieves the purpose of power generation, heat insulation and energy saving, and reduces building energy consumption. It is a high-efficiency and energy-saving movable external sunshade system.

Description

A louver external shading system integrated with photovoltaic building

technical field

The invention belongs to the field of building energy saving and photoelectric utilization, in particular to a photovoltaic sunshade and building integrated system.

Background technique

In the context of the development of green buildings, the combination of photovoltaic technology and buildings has gradually attracted attention. At present, the integration of photovoltaic cells and buildings is mainly manifested in photovoltaic curtain walls and photovoltaic roofs. For high-rise buildings, the proportion of the roof area is very small, while the facade of the building is the largest area. The technology of only installing photovoltaic panels on the roof cannot give full play to the connotation of photovoltaic and building integration. The technology of inlaying photovoltaic cells on the glass curtain wall reduces the permeability of the curtain wall and affects the quality of work and life of indoor personnel.

Combining active photovoltaic louver sunshades with buildings is an effective solution. It not only reduces the air-conditioning load of the room through sunshade, but also does not affect the sight of indoor personnel. At the same time, it realizes the integration of solar energy buildings and gives the building a new facade image .

Contents of the invention

The purpose of the present invention is to design a movable external shading system for photovoltaic building integration, which can not only effectively shade the sun, significantly reduce the energy consumption of building air conditioners, but also take into account the functions of power generation, daylighting, and improving the image of the facade.

The present invention adopts the following technical scheme: a louver external shading system for photovoltaic building integration, including PV louvers, linkage rods, brackets, motors, rotating shafts and gaskets; the louver external shading system is equipped with multiple PV louvers, and the PV Vigorously connected by the linkage rod, the gasket is placed on the back of the PV louver, connected with the PV louver through the installation hole, the gasket is welded to the rotating shaft, the rotating shaft is connected to the bracket, and the bracket is fixed on the outer wall of the building;

The PV louvers are arranged in the order of the glass cover plate, EVA film, photovoltaic cells, EVA film and TPT board, and are formed by vacuum hot pressing;

The motor uses the electric energy provided by the photovoltaic cell to drive the linkage rod to adjust the angle of the PV louver, and the PV louver can be flexibly adjusted from 0° to 90°.

The cell sheet may be monocrystalline silicon or polycrystalline silicon.

The sunshade system can be installed on ordinary exterior walls, glass curtain walls or outside windows, and is applicable to various building types. The color of the shading system (including support frame, glass, battery sheet, etc.), installation form (including position, size, spacing, etc.) can be adjusted according to the building itself and user needs.

The size of the PV louver and the number of cells can be adaptively changed according to the size of the corresponding outer wall, glass curtain wall or outer window.

Beneficial effects of the present invention: the combination of photovoltaic cells and louver devices that can adjust the angle and switch freely realizes sunshade and power generation, building integration, and beautiful appearance, which are mainly reflected in the following aspects:

1) Photovoltaic shading system provides power for buildings and drive motors while reducing air-conditioning energy consumption;

2) Give the building a new facade image, which has a lot of room for development in the renovation project of existing buildings;

3) Adjustable sunshade control method to make the sunshade effect better;

4) PV shutters can be processed in the factory workshop, saving production and installation time;

5) Realize self-cleaning. In rainy days, adjust the louvers to a certain angle, and use rainwater to clean the dirt and dust on the surface of the louvers.

Description of drawings

Figure 1 is a diagram of the solar shading system outside the PV louvers.

Figure 2 is the front view of the PV louver external sunshade system.

Figure 3 is a plan view of PV louvers.

Figure 4 is a cross-sectional view of a PV louver.

Figure 5 is a diagram of the connection between the back of the PV louver and the backing plate and the rotating shaft.

In the figure: 1 bracket; 2PV louver; 3 linkage rod; 4 motor; 5 rotating shaft; 6 backing plate;

2-1 glass cover plate; 2-2 battery sheet; 2-3 TPT plate; 2-4 EVA film; 2-5 confluence belt;

2-6 welding strips; 2-7 mounting holes.

Detailed ways

The invention will be further described below in combination with specific embodiments.

Referring to the accompanying drawings, a louver external shading system for photovoltaic building integration mainly includes PV louvers 2, linkage rod 3, bracket 1, motor 4, rotating shaft 5 and gasket 6; the louver external shading system is equipped with 4 PV louvers, The PV louvers are movably connected through the linkage rod 3, the gasket 6 is connected with the PV louver through the installation holes 2-7, the gasket is welded with the rotating shaft 5, the rotating shaft is connected with the bracket 1, and the bracket is fixed on the outer wall of the building.

The PV louver is composed of a glass cover plate 2-1, a battery sheet 2-2, an EVA film 2-4, a TPT plate 2-3, a bus strip 2-5 and a welding strip 2-6, wherein the glass cover plate is Tempered glass, the number of cells is 5 in total.

One end of the rotating shaft 5 is welded with a gasket 6, and the other end is movably connected with the bracket 1.

The motor 4 controls the linkage rod 3 to move up and down, thereby adjusting the angle of the PV shutter 2 .

The invention utilizes solar energy to generate electricity, automatically and automatically adjusts the angle of sunshade, and can be used independently on a window or integrally on the facade wall to form a small photovoltaic power generation system.

Claims (5)

1. A louver external shading system for photovoltaic building integration, characterized in that, the louver external shading system includes PV louvers, linkage rods, brackets, motors, rotating shafts and gaskets; the louver external shading system is provided with multiple PV panels The louver and the PV louver are connected through a linkage rod, the gasket is placed on the back of the PV louver, connected to the PV louver through the installation hole, the gasket is welded to the rotating shaft, the rotating shaft is connected to the bracket, and the bracket is fixed on the outer wall of the building; The PV louvers are arranged in the order of the glass cover plate, EVA film, photovoltaic cells, EVA film and TPT board, and are formed by vacuum hot pressing; The motor uses the electric energy provided by the photovoltaic cell to drive the linkage rod to adjust the angle of the PV louver, and the PV louver can be flexibly adjusted from 0° to 90°. 2. The external louver sunshade system according to claim 1, characterized in that, the solar cells are monocrystalline silicon or polycrystalline silicon. 3. The louver external sunshade system according to claim 1 or 2, characterized in that, the size of the PV louvers and the number of solar cells are adaptively changed according to the exterior wall of the building. 4. The louver external sunshade system according to claim 1 or 2, wherein the building exterior wall is an ordinary exterior wall, a glass curtain wall or a window. 5. The louver external sunshade system according to claim 3, wherein the building exterior wall is an ordinary exterior wall, a glass curtain wall or a window.