Patent ID: 11878372
Assignee: TSINGHUA UNIVERSITY
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 18:
19. A self-driven water collecting surface having a superhydrophilic-superhydrophobic structure, wherein the water collecting surface comprises a superhydrophilic region and a superhydrophobic region, and the superhydrophobic region is a superhydrophobic surface, the superhydrophilic region is a venation channel network structure comprising superhydrophilic channels of different orders connected to each other;
the superhydrophilic channels are primary channels and secondary channels, the secondary channels are configured for collecting water from the superhydrophobic surface and transporting the water to the primary channels, the primary channels are configured for directional transporting the water to a designated location;
a total number of the orders is five, the superhydrophilic channels of different orders are a first-order channel, second-order channels, third-order channels, fourth-order channels, and fifth-order channels; the first-order channel and the second-order channels are the primary channels; the third-order channels, the fourth-order channels, and the fifth-order channels are the secondary channels.