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Patent Searching and Data


Title:
TEMPERATURE AND PRESSURE SENSOR
Document Type and Number:
WIPO Patent Application WO/2024/011757
Kind Code:
A1
Abstract:
A temperature and pressure sensor, comprising: a housing in which a closed working cavity is provided; a base plate (3), provided in the housing and dividing the working cavity into an upper cavity on the top side and a lower cavity on the bottom side, a pressure guide hole (30a) being formed on the base plate (3); a joint pipe (14), fixed to one end of the bottom of the housing and communicated with the lower cavity; a circuit board (5), provided on the top surface of the base plate (3); a pressure sensitive element (6), provided on the top surface of the base plate (3) and electrically connected to the circuit board (5), and having a pressure sensitive surface communicated to the lower cavity by means of the pressure guide hole (30a); a temperature sensitive element (7), provided in the joint pipe (14) or extending out from the joint pipe (14) towards one side of the bottom; and a plurality of conductors (8) of which bottoms are connected to connecting terminals (701) of the temperature sensitive element (7) in a one-to-one correspondence manner and top ends respectively penetrate through the base plate (3) and are then electrically connected to the circuit board (5).

Inventors:
WANG XIAOPING (CN)
CAO WAN (CN)
WU LIN (CN)
LIANG SHIHAO (CN)
WU PEIBAO (CN)
REN ZENGQIANG (CN)
WANG HAO (CN)
Application Number:
PCT/CN2022/121860
Publication Date:
January 18, 2024
Filing Date:
September 27, 2022
Export Citation:
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Assignee:
WUHAN FINEMEMS INC (CN)
International Classes:
G01L1/18; G01D11/24; G01K13/00; G01L9/02
Foreign References:
CN215374270U2021-12-31
CN210154602U2020-03-17
CN214010588U2021-08-20
CN2839604Y2006-11-22
CN214010393U2021-08-20
CN216954627U2022-07-12
EP3236222A12017-10-25
US20030102955A12003-06-05
Attorney, Agent or Firm:
CENFO INTELLECTUAL PROPERTY AGENCY (CN)
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