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Solar photovoltaic panel self-cleaning device and method for taking water from air

A solar photovoltaic panel, self-cleaning technology, applied in the field of solar photovoltaic, achieves the effect of low operation and maintenance cost, high degree of automation, and expanded application range

Active Publication Date: 2021-08-03
CHINA UNIV OF MINING & TECH
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  • Application Information

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Problems solved by technology

[0004] The present invention provides a solar photovoltaic panel self-cleaning device and method for taking water from the air, which can solve the problem of water taking in the existing photovoltaic panel self-cleaning system, and can ensure efficient and stable operation of the photovoltaic power generation system

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  • Solar photovoltaic panel self-cleaning device and method for taking water from air

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Embodiment Construction

[0025] The present invention proposes to take water from the air as a self-cleaning water source for photovoltaic panels. For this reason, the invention introduces semiconductor refrigeration, allowing air to flow through the cooling end of the semiconductor, thereby cooling the air, and part of the water vapor in the air condenses on the cooling end of the semiconductor. and form water droplets. Under the action of gravity, the water droplets finally flow into the water storage tank for storage.

[0026] In order to maintain the flow of air, the invention proposes to use the chimney effect formed by solar heating to provide power, that is, the flow of air is arranged to flow from bottom to top. By installing two air inlet channels symmetrically on both sides of the photovoltaic panel, cold air enters from the bottom of the inlet channel and flows from bottom to top in the inlet channel. Consider installing an air discharge channel on the top of the photovoltaic panel. Before...

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Abstract

The invention discloses a solar photovoltaic panel self-cleaning device and method for taking water from the air. The air temperature is reduced through semiconductor refrigeration, part of water vapor in the air is condensed on the refrigeration end face of a semiconductor to form water drops, and the water drops are collected in a water storage tank to serve as a photovoltaic panel self-cleaning water source. In order to maintain air flow, an air exhaust channel is installed on the top of the photovoltaic panel, and the outer surface of the air exhaust channel is coated with a black heat absorption coating. Under heating of the solar energy, the air exhaust channel is heated and forms a temperature difference with the air in an inlet channel, a chimney effect is formed, and the air is driven to be automatically exhausted from the top end of the exhaust channel. A wiping mode is adopted for self-cleaning, a rubber cleaning brush is driven by a motor, an electric valve is introduced to control the water outlet time of the water storage tank, the surface of the photovoltaic panel is deeply cleaned in cooperation with the cleaning brush, the water taking problem of self-cleaning of the photovoltaic panel is solved, and the device has the advantages of being wide in application range, capable of saving energy, high in automation degree and the like.

Description

technical field [0001] The invention belongs to the field of solar photovoltaics, and in particular relates to a solar photovoltaic panel self-cleaning device and method for taking water from the air. Background technique [0002] Solar energy is one of the most important renewable energy sources. How to efficiently convert solar energy into electrical energy has always been the focus of attention all over the world. Photovoltaic power generation is one of the common solar power generation methods, which has the characteristics of relatively high conversion efficiency, safety, and flexibility. Photovoltaic power generation is a technology that directly converts light energy into electrical energy by using the photovoltaic effect of the semiconductor interface (that is, the phenomenon that a semiconductor generates an electromotive force when it is irradiated by light). The key component of this technology is a solar cell. Solar cells are packaged and protected after being c...

Claims

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Application Information

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IPC IPC(8): B08B1/00B08B3/04B08B13/00H02S40/10
CPCB08B3/04B08B13/00H02S40/10B08B1/12B08B1/143B08B1/30Y02E10/50
Inventor 郑章靖徐阳
Owner CHINA UNIV OF MINING & TECH
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