Title:
PRESSURE PREVENTION HOUSING, PROJECTOR AND PRESSURE PREVENTION METHOD
Document Type and Number:
WIPO Patent Application WO/2019/214274
Kind Code:
A1
Abstract:
The present invention relates to the field of electronic devices, and a pressure prevention housing (1000), a projector (2000) and a pressure prevention method are disclosed. The pressure prevention housing (1000) comprises: a bottom plate (100); a cover plate (200) provided opposite to and spaced apart from the bottom plate (100); a telescopic support assembly (300) provided on the bottom plate (100), the telescopic support assembly (300) comprising a telescopic support rod and a telescopic drive device connected to the telescopic support rod, and the telescopic support rod having a support end (312) facing the cover plate; and a pressure sensor (400) provided on the cover plate (200), the pressure sensor (400) being connected to the telescopic drive device. The present invention can avoid the case where the main board is short-circuited or a part is damaged after the upper cover of the projector (2000) is pressed down.
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Inventors:
XIONG ZAIXIANG (CN)
CUI YANZHOU (CN)
OU JIMIN (CN)
CUI YANZHOU (CN)
OU JIMIN (CN)
Application Number:
PCT/CN2019/070524
Publication Date:
November 14, 2019
Filing Date:
January 05, 2019
Export Citation:
Assignee:
APPOTRONICS CORP LTD (CN)
International Classes:
G03B21/14
Foreign References:
| CN107713415A | 2018-02-23 | |||
| CN207059965U | 2018-03-02 | |||
| CN102292235A | 2011-12-21 | |||
| CN1664857A | 2005-09-07 | |||
| JP2005055303A | 2005-03-03 |
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