Title:
WATERPROOF AND AIR-PERMEABLE STRUCTURE AND CHARGING DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/213240
Kind Code:
A1
Abstract:
A waterproof and air-permeable structure and a charging device, relating to the technical field of waterproofing. The waterproof and air-permeable structure comprises a mounting base body provided with a vent hole, and further comprises a protective film and a waterproof and air-permeable film; the waterproof and air-permeable film covers the vent hole; the protective film comprises a first area covering the waterproof and air-permeable film and a second area connected to the mounting base body; a channel allowing air to pass through is formed between the second area and the mounting base body; and the vent hole is communicated with an external environment by means of the waterproof and air-permeable film and the channel. The beneficial effects of the present application are that: the waterproof and air-permeable film can allow air to pass through and prevent water from passing through, and the waterproof and air-permeable film is provided on the vent hole of the mounting base body, such that water or dust can be prevented from entering equipment to cause part corrosion, and air pressure in the equipment can also be balanced, thereby protecting the equipment.
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Inventors:
WANG CHAO (CN)
Application Number:
PCT/CN2023/091613
Publication Date:
November 09, 2023
Filing Date:
April 28, 2023
Export Citation:
Assignee:
CHANGCHUN JETTY AUTOMOTIVE TECH CO LTD (CN)
International Classes:
H05K5/02; H02J7/00
Foreign References:
| CN217825618U | 2022-11-15 | |||
| CN214004499U | 2021-08-20 | |||
| CN208902682U | 2019-05-24 | |||
| CN211284227U | 2020-08-18 | |||
| CN211880789U | 2020-11-06 | |||
| CN216269693U | 2022-04-12 | |||
| US6506110B1 | 2003-01-14 |
Attorney, Agent or Firm:
BEIJING SANYOU INTELLECTUAL PROPERTY AGENCY LTD. (CN)
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