Radiation refrigeration light-transmitting sun-shading device

Abstract

The invention provides a radiation refrigeration light-transmitting sun-shading device. The radiation refrigeration light-transmitting sun-shading device comprises a window frame, a light-transmittingradiation refrigeration film, a winding mechanism, a traction mechanism, a guide mechanism and a pressing mechanism, wherein the winding mechanism and the traction mechanism are connected to the headend and the tail end of the light-transmitting radiation refrigeration film to achieve winding and unfolding of the light-transmitting radiation refrigeration film in a matched mode, the light-transmitting radiation refrigeration film comprises a light-transmitting organic material layer, glass beads are embedded into the light-transmitting organic material layer to achieve radiation refrigeration, and continuous fiber gridding cloth is distributed in the transparent organic material layer or on the surface of the transparent organic material layer; The guide mechanism guides the trend of thelight-transmitting radiation refrigeration film; and the pressing mechanism provides leakproofness and stability during sun shading. The device is unfolded in summer to achieve radiation refrigeration, and is folded in winter and cannot cause heat loss, light transmittance can be guaranteed in the two states, the pressing mechanism can also provide a closed air layer, the temperature of the outersurface of the glass is reduced, the load of an air conditioner in summer is reduced, and the radiation refrigeration light-transmitting sun-shading device is used for sun shading of a skylight or sun shading of an outer window which is not shielded between the outside and the space.

Description

technical field [0001] The invention relates to a sunshade device, in particular, to a radiation cooling light transmission sunshade device. Background technique [0002] Radiation cooling is a zero-energy cooling technology that uses space as a "heat sink" to achieve cooling through the exchange of heat radiation between the material surface and space in the 8-13 micron atmospheric transparent window band. Radiation cooling material is a kind of metamaterial in which glass microbeads with a diameter of about 8 microns are randomly embedded in a specific transparent organic material, so as to realize the function of radiation cooling. [0003] At present, my country's radiation refrigeration materials have achieved mass production and entered the stage of commercial application. Since it is a new technology that has just come out of the lab, there are still plenty of application areas that need to be developed. [0004] On skylights or windows, transmissive cooling films a...

AI Technical Summary

Problems solved by technology

[0004] On skylights or windows, transmission-type cooling films are used to meet the cooling requirements. Generally, transmission-type radiation cooling films are attached to the outer surface of windows and skylight glass to achieve zero-energy cooling. However, when winter comes, still In continuous cooling, there is a problem of reducing solar heat gain in applications in northern regions

Images