Miniaturized intelligent differential pressure / pressure transmitter
A transmitter and pressure technology, which is used in fluid pressure measurement, instruments, and measurement devices that utilize capacitance changes, can solve the problems of high manufacturing cost, single function, and complex structure of capacitive sensor components, and achieves easy independent detection and convenience. The effect of using and reducing production costs
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[0023] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0024] Such as figure 1 As shown, the sensor assembly 10 equipped with the pressure sealing ring 11 and the pressure flange assembly 12 are connected together through bolts 13, and the electronic box 3 is installed on the upper part of the sensor assembly 10, which is connected by threads, and the sealing ring 5 is installed in the middle. The inside of the electronic box 3 is divided into two independent chambers, the left side of which is the terminal, and the terminal 14 is arranged for connecting external wires, the right side is the electronic circuit board installation room, and the terminal 14 of the left chamber is The pins of the pins lead to the chamber on the right, and epoxy resin 16 is used to seal between the pins and the chamber. The pins of the terminal 14 are welded with a first connector 9 for connection with the printed circuit board ...
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