The invention relates to a visible-near infrared frequency division type radiation refrigeration film based on a bionic rose petal micro-nano structure and a preparation method and application of the visible-near infrared frequency division type radiation refrigeration film, belongs to the technical field of radiation refrigeration, and aims at solving the problem that an existing radiation refrigeration material cannot give consideration to lighting and refrigeration performance at the same time. The invention provides a visible-near infrared frequency division type radiation refrigeration film based on a bionic rose petal micro-nano structure, the visible-near infrared frequency division type radiation refrigeration film comprises a transparent bionic micro-nano structure layer of a bionic rose petal structure and a multi-layer film structure layer which are arranged from top to bottom, and first cone micro-nano structures are distributed on the surface of the transparent bionic micro-nano structure layer in an array mode; second cone micro-nano structures are distributed on the surface of the first cone micro-nano structure in an array mode. According to the invention, selective transmission of solar radiation energy by the radiation refrigeration film is realized, a visible-near infrared band frequency division function and atmospheric window high emission performance are realized, and lighting and refrigeration performance can be considered, so that the application range of the radiation refrigeration material is widened.
本发明涉及基于仿生玫瑰花瓣微纳结构的可见‑近红外分频型辐射制冷薄膜及其制备方法与应用,属于辐射制冷技术领域,为解决现有辐射制冷材料无法兼顾采光和制冷性能的问题,本发明提供了基于仿生玫瑰花瓣微纳结构的可见‑近红外分频型辐射制冷薄膜,包括自上而下设置的仿生玫瑰花瓣结构的透明仿生微纳结构层和多层薄膜结构层,透明仿生微纳结构层表面呈阵列分布有第一锥体微纳结构;第一锥体微纳结构的表面呈阵列分布有第二锥体微纳结构。本发明实现了辐射制冷薄膜对太阳辐射能量选择性透过,实现可见‑近红外波段分频功能和大气窗口高发射性能,能够兼顾采光和制冷性能,从而拓宽了辐射制冷材料的适用范围。
Visible-near infrared frequency division type radiation refrigeration film based on bionic rose petal micro-nano structure as well as preparation method and application of visible-near infrared frequency division type radiation refrigeration film
基于仿生玫瑰花瓣微纳结构的可见-近红外分频型辐射制冷薄膜及其制备方法与应用
2022-07-08
Patent
Electronic Resource
Chinese
IPC: | B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse / B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge / E04B Allgemeine Baukonstruktionen , GENERAL BUILDING CONSTRUCTIONS / F25B Kältemaschinen, Kälteanlagen oder Kälteverfahren , REFRIGERATION MACHINES, PLANTS, OR SYSTEMS |
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