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Self-maintaining photovoltaic external sunshade device with adjustable length and angle and regulation and control method

An external shading and angle technology, which is applied in the fields of building materials and solar energy utilization, can solve the problem that the power generation effect and the shading effect cannot be combined, and achieve the effect of obvious energy saving effect.

Active Publication Date: 2014-10-08
CHONGQING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that the power generation effect and the sunshade effect cannot be combined

Method used

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  • Self-maintaining photovoltaic external sunshade device with adjustable length and angle and regulation and control method
  • Self-maintaining photovoltaic external sunshade device with adjustable length and angle and regulation and control method
  • Self-maintaining photovoltaic external sunshade device with adjustable length and angle and regulation and control method

Examples

Experimental program
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Effect test

Embodiment 1

[0075] A self-sustaining and adjustable length and angle photovoltaic external sunshade control method:

[0076] The utility model comprises a shading photovoltaic power generation panel installed above the window of a building; one side of the shading photovoltaic power generation panel is hinged above the window of the building. In an embodiment, the shading photovoltaic power generation panel is rectangular, one side of which is hinged to the upper edge of the window of the building through a rotating shaft. The shading photovoltaic power generation panel can swing at a certain angle around the edge fixed on the upper edge of the window of the building. Shading photovoltaic panels generate electricity when the sun hits the building. In addition, since the shading photovoltaic power generation panel is installed on the window, it is possible to block sunlight for the window.

[0077] Also included are sun intensity sensors and sun angle trackers mounted on the surface of t...

Embodiment 2

[0085] A self-sustaining and adjustable length and angle photovoltaic external sunshade control method includes a photovoltaic power generation panel installed above a window of a building. The shading photovoltaic power generation panel is hinged above the window of the building through a spherical coordinate type mechanical arm 2 . Let the window width be L=1.2m and the height be H 0 = 1.5m. The width of the shading photovoltaic power generation panel is 140% of the window width, that is, L 1 = 1.68m, the width of the shading photovoltaic power generation panel is selected according to the local solar azimuth and altitude angle.

[0086] see figure 2 and Figure 7 , the shading photovoltaic panel is composed of three stretchable photovoltaic panels, the length of the three photovoltaic panels is 20% of the height of the window, that is, X=0.3m, then when only the first photovoltaic panel ( When the other two photovoltaic generation panels are retracted under or among t...

Embodiment 3

[0135] Let the window width be L=1.2m and the height be H 0 = 1.5m. The width of the shading photovoltaic power generation panel is 140% of the window width, that is, L 1 =1.68m.

[0136] see figure 2 and Figure 7 , the shading photovoltaic panel is composed of three stretchable photovoltaic panels, the length of the three photovoltaic panels is 20% of the height of the window, that is, X=0.3m, then when only the first photovoltaic panel ( When the other two photovoltaic generation panels are retracted under or among the first photovoltaic generation panel), the length of the shading photovoltaic generation panel is equal to the length X of the first photovoltaic generation panel 1 = 0.3m; when two photovoltaic panels are extended, the length of the shading photovoltaic panel is X 2 =0.6m; when three photovoltaic panels are extended, the length of the shading photovoltaic panel is X 3 = 0.9m. Therefore, the length of the shading photovoltaic power generation panel can...

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Abstract

The invention discloses a self-maintaining photovoltaic external sunshade device with the adjustable length and angle and a regulation and control method. A sunshade photovoltaic power generation panel is mounted on a traditional external sunshade device, and multidirectional automatic regulation can be conducted according to the solar altitude and the azimuth angle, so it is guaranteed that the sunshade effect is optimal; meanwhile, energy for adjusting the sunshade photovoltaic power generation panel comes from photovoltaic power generation of the sunshade photovoltaic power generation panel. The adjustable external sunshade photovoltaic power generation panel is composed of three stretchable sunshade photovoltaic power generation panel sections, and the stretchable length of the sunshade photovoltaic power generation panel can be adjusted according to the solar radiation intensity and the sunshade requirements of residents; meanwhile, the sunshade photovoltaic power generation panel can be adjusted vertically or horizontally according to the direct solar radiation azimuth angle and the requirements for indoor sunshade effects. The optimal sunshade effect can be achieved through reasonable adjustment of the length, the horizontal angle and the vertical angle of the external sunshade photovoltaic power generation panel, and the sunshade photovoltaic power generation panel can absorb more solar heat.

Description

technical field [0001] The invention belongs to the fields of building materials and solar energy utilization, and in particular relates to an external sun-shading device (or called a photovoltaic external sun-shading system) capable of generating electricity using solar energy. Background technique [0002] Building energy consumption occupies a large proportion in the total energy consumption, and building energy consumption depends to a large extent on the thermal insulation effect of the envelope structure. Regardless of whether it is winter or summer, the load due to heat gain or loss from windows is relatively large. Summer is mainly reflected in the fact that the sun transmits a lot of heat to the room through the windows. If there is no sunshade to block the amount of solar radiation, the heat load in the room will increase extremely, so that the use of the air conditioning system to cool down will consume more electricity; it will also consume electricity in winter ...

Claims

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Application Information

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IPC IPC(8): G05D3/12
Inventor 喻伟李百战张明曾凡芝李信仪贾洪愿
Owner CHONGQING UNIV
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