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)
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:
Assignee:
WUHAN FINEMEMS INC (CN)
International Classes:
G01L1/18; G01D11/24; G01K13/00; G01L9/02
Foreign References:
CN215374270U | 2021-12-31 | |||
CN210154602U | 2020-03-17 | |||
CN214010588U | 2021-08-20 | |||
CN2839604Y | 2006-11-22 | |||
CN214010393U | 2021-08-20 | |||
CN216954627U | 2022-07-12 | |||
EP3236222A1 | 2017-10-25 | |||
US20030102955A1 | 2003-06-05 |
Attorney, Agent or Firm:
CENFO INTELLECTUAL PROPERTY AGENCY (CN)
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