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Question:

The working principle of air pressure switch?

The working principle of air pressure switch?

Answer:

Working principle of air pressure switch: when the pressure in the system is higher or lower than the rated pressure, the safety of the sensor in the disc instantaneous movement, through the connecting rod to push switch connector on or off, when the pressure drop to or the raising of the rated value, the instantaneous reset disc, switch automatic reset, or simply, when the measured pressure exceeds rating, displacement of the free end of the elastic element, directly or after comparison switch element, change the on-off state switching element, achieve the goal of measured pressure control. Pressure switch using the elastic element has a single coil spring tube, diaphragm, bellows, bellows, etc
Jun 9, 2017
Jetta air conditioning 3 thread working principle of the pressure switch: (1) three lines, a 12 v. (2) the other two root is a high voltage switch, one is the atmospheric pressure switch, pressure is too high will disconnect the compressor electromagnetic clutch. The three lines of air conditioning plug connected to the plug: (1) wire (mostly red or brown) plug or socket on L interface, (2) the zero line (in blue or green) on N interface, (3) the ground wire (double color) on E interface.
Jun 9, 2017

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