US 2025/0076138 A1Published application

Pressure detection module and pressure sensor

AssigneeMeasurement Specialties (China) Ltd.

InventorsPengcheng Feng, Jianhai (Ross) Qiu, Xuetang Zhao

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Abstract

A pressure detection module includes a pressure joint. A force sensitive component of the module is connected to one end of the pressure joint. A strain gauge in attached to a surface of the force sensitive component. An electrical connector of the module has a seat and a pin that passes therethrough. An electrical connection board electrically connects the pin to the strain gauge. An end cap of the module includes a peripheral wall, an end wall, and an opening opposite to the end wall, the force sensitive component and the electrical connection board are accommodated in an inner cavity thereof. One end of the pressure joint is welded to the open end of the end cap. A socket is formed in the end wall of the end cap, and the seat is inserted into the socket and welded to the end wall.

Claims20

Dependent claims

A pressure detection module, comprising:

a pressure joint adapted to connect to a detected pipeline and having a fluid path adapted for fluid communication with the detected pipeline;
a force sensitive component connected to one end of the pressure joint and in fluid communication with the pressure joint;
an electrical connector having a seat, and a pin that passes through and is fixed to the seat;
an electrical connection board adapted to electrically connect the pin to a strain gauge attached to a surface of the force sensitive component;
and
an end cap including:
a peripheral wall;
an end wall;
an opening opposite to the end wall, the force sensitive component and the electrical connection board are accommodated in an inner cavity of the end cap, and one end of the pressure joint is welded to an open end of the end cap to seal the opening of the end cap;
and
a socket formed in the end wall of the end cap, the seat is inserted into the socket and welded to the end wall to seal the socket of the end cap.

8 more elements

A pressure sensor, comprising:

a housing;
and
a pressure detection module partially installed in the housing, including:
a pressure joint adapted to connect to a detected pipeline and having a fluid path adapted for fluid communication with the detected pipeline;
a force sensitive component connected to one end of the pressure joint and in fluid communication with the pressure joint;
an electrical connector having a seat and a pin passing through and fixed to the seat;
an electrical connection board adapted to electrically connect the pin to a strain gauge attached to the surface of the force sensitive component;
and
an end cap including a peripheral wall, an end wall, and an opening opposite to the end wall, the force sensitive component and the electrical connection board are accommodated in an inner cavity of the end cap, and one end of the pressure joint is welded to an open end of the end cap to seal the opening of the end cap, wherein a socket is formed in the end wall of the end cap, and the seat is inserted into the socket and welded to the end wall to seal the socket of the end cap, the end cap and one end of the pressure joint are accommodated in the housing, and the other end of the pressure joint is located outside the housing for connection to the detected pipeline.

6 more elements

Dependencies are inferred from the claim text.