Skylight for self-sunshading watering cooling type glass greenhouse

Abstract

The invention discloses a skylight for a self-sunshading watering cooling type glass greenhouse. The skylight comprises a skylight frame, glass is fixedly connected to the inner wall of the skylight symmetrically, the inner wall of the skylight frame is fixedly connected with a conductive plate which is made of an indium tin oxide material, a sliding plug cavity is formed in the skylight frame, the inner wall of the sliding plug cavity is in sliding connection with a magnetic sliding plug, the inner top of the sliding plug cavity is fixedly connected with the upper end of the magnetic slidingplug through a spring, a spiral coil is embedded on the inner wall of the sliding plug cavity, a wing type plate drives the magnetic sliding plug to slide up and down, the spiral coil generates induction current, the temperature on the conductive plate rises, charge carrier concentration on the conductive plate can rise emergently, the transparent degree of the conductive plate is reduced, exterior sunlight is sheltered, when the magnetic sliding plug slides up and down on the inner wall of the sliding plug cavity, the exterior water can be continuously pumped into an annular cavity, the watercan be sprayed out from water spraying holes, plants in the greenhouse can be watered, and the plant dehydration dead due to high temperature can be avoided.

Description

technical field [0001] The invention relates to the technical field of glass greenhouses, in particular to a skylight for a self-shading and water-sprinkling cooling type glass greenhouse. Background technique [0002] The glass greenhouse is a kind of greenhouse with glass as the main covering and steel structure as the frame. Because the glass greenhouse has the characteristics of long service life, large lighting area, uniform illumination and suitable for use in various regions and various climatic conditions is widely used. [0003] The plants in the glass greenhouse accept the sunlight from the glass to grow through photosynthesis, but in the hot summer, the sunlight is strong, which makes the plants automatically shut down the photosynthesis system and stop growing, and it is easy to make the greenhouse under strong sunlight. The indoor plants are short of water. Therefore, at present, the cooling of the glass greenhouses in summer is mostly carried out by artificial...

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Problems solved by technology

[0003] The plants in the glass greenhouse accept the sunlight from the glass to grow through photosynthesis, but in the hot summer, the sunlight is strong, which makes the plants automatically shut down the photosynthesis system and stop growing, and it is easy to make the greenhouse under strong sunlight. The indoor plants are short of water. Therefore, at present, the cooling of the glass greenhouses in summer is mostly carried out by artificially laying sunshade nets to cool the glass greenhouses. Working in high temperature weather is prone to heatstroke. In addition, passive shading and cooling of glass greenhouses cannot be laid and dismantled in time according to the production conditions of the plants in the greenhouses, which will affect the growth efficiency of plants.

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