Principle of low pressure switch
Repetition: the working principle of the pressure switch: When the system pressure is higher or lower than the rated safety pressure, the sensor disc instantaneous movement, through the connecting rod to push the switch connector connected or disconnected, when the pressure dropped to Or when the pressure reaches the rated recovery value, the disc is instantaneous reset, the switch is automatically reset, or simply when the measured pressure exceeds the rated value, the free end of the elastic element is displaced, directly or after comparison, pushing the switching element, Switching element on and off state, to achieve the purpose of controlling the measured pressure.
The pressure switch uses elastic elements such as single-ring spring tube, diaphragm, diaphragm and bellows.
US UE pressure switch for pure mechanical deformation caused by micro-switch action. When the pressure increases, the role of different sensing pressure components (diaphragm, bellows, piston) deformation, will move up, through the railing spring and other mechanical structure, and ultimately start the top of the micro-switch, the electrical signal output. UE pressure switch set from the functional principle is divided into continuous displacement and force balance type.