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The definition of pressure switch |
| Author : Mr William Date : 2014/8/12 21:26:45 |
The definition of pressure switch
Pressure switchis a switch to control the pressure, can also be called a pressure controller, when the pressure to achieve the set pressure value, there will be a contact signal output signal, ultimately achieve the goal of control equipment.Because of the different structure, the principle of pressure switch broadly similar, but there are also different.
The working principle of mechanical pressure switch: mechanical pressure switch is purely mechanical deformation caused by the switch action, when the pressure increases, the effect on different components will produce deformation, by rail the spring start the micro switch, such as the electrical signal output.
Working principle of electronic pressure switch: when the pressure in the system is higher or lower than the safety of the rated pressure, sensors in 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 disc transient restoration, automatic reset switch.
Whether mechanical pressure switch or electronic pressure switch, by testing the system pressure, when the pressure reaches a set value, contact state change of control pressure components.
The above:Maintenance of pressure switch
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Pressure switch
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