Biomimetic device for lightweight water collection and spontaneous transportation and preparation method thereof

Abstract

The invention discloses a biomimetic device for lightweight water collection and spontaneous transportation and preparation method thereof. The biomimetic device adopts PDMS material as a water collecting shell, the surface of the water collecting shell is concave-convex wave shape, and the convex part of the water droplets at the concave groove plays a wind shielding role, so that the water droplets are not easy to be blown away. Specifically, the bionic device comprises a PDMS water collecting shell, a water storage container and a vertical pole; The PDMS water collecting shell is a plate spherical shell made of PDMS material, and the surface of the PDMS water collecting shell is distributed with grooves along the longitude direction. And a hydrophilic region is distributed on the surface of the PDMS water collecting shell. One end of the upright pole is connected with the water storage container, and the other end supports the PDMS water collecting shell. Water droplets collected ina hydrophilic area on the surface of the PDMS catchment shell flow into the water storage container along a groove on the surface of the PDMS catchment shell.

Description

technical field [0001] The invention relates to a bionic device, in particular to a lightweight bionic device for water collection and spontaneous transportation. Background technique [0002] Many biological surfaces in nature not only have excellent water-collecting properties, but also have the ability to transport water droplets directionally. This natural phenomenon is closely related to the microstructure of biological surfaces. The African Namib desert beetle has attracted extensive attention from researchers for its water-harvesting function in harsh natural environments. Scientists have observed that the surface of the desert beetle's back wings has superhydrophilic textures and superhydrophobic grooves, which can absorb water vapor from the outside air and transport water droplets to the beetle's mouth. This method of using surface microstructures to achieve water collection and water droplet transport is not only expected to provide fresh water for some extreme e...

AI Technical Summary

Problems solved by technology

[0003] The research on bionic water collection system is a research hotspot in the direction of bionic material mechanics and functional surface design and preparation, and it is also the frontier of this discipline. Although it has developed rapidly in recent years, some existing water collection designs are not only complicated, such as Etching micro-nano-scale structures on the surface, borrowing electric energy, etc., is expensive and cannot fully meet the actual engineering needs, such as how to cheaply and simply prepare functional surfaces that effectively collect water and spontaneously transport water, and how to prepare water droplets that can transport So as to realize the self-cleaning effect of the surface of the car rearview mirror, etc.

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