Spring how to choose, how to calculate the amount of compression?

Pressure measurement methods including liquid pressure balance method, the elastic deformation principle balance method and three kinds of electrical measuring type conversion method. Three methods of medical spring pressure. Bourdon tube pressure gauges are working according to the elastic properties of elastic element. By the spring tubes, mechanical transmission amplification mechanism, pointer and dial, measured pressure by spring tube into the free end displacement, the displacement of mechanical transmission mechanism into a pointer, after compared with the scale can know the size of the measured pressure. Bourdon tube pressure gauges has simple structure, reliable measurement and the price is low, is a wide scope of application, application history long on-site instruction type pressure meter. Strain type pressure sensor according to the measured stress strain effect to complete measurement. By the amount of pressure sensor, strain gauge, chau bridge and display instrument, pressure sensitive element subjected to pressure to produce the effect of the corresponding strain E, the strain effect shows that the change of the resistance, the variation of the measuring circuit is converted to a voltage, from display instrument indicates that the size of the measured pressure. Hall by bourdon tube type pressure sensors, hall effect device and display instrument, the measured pressure by spring tube into a hole in the nonlinear magnetic field of displacement, the corresponding potential hall, the hall effect device output by the display instrument shows the size of the measured pressure. Capacitance pressure transmitter by the capacitive pressure sensor and measurement conversion circuit, measured pressure through conversion components into capacitance of dynamic displacement, and then converted to electricity by capacitor capacity variation, by detect the change of capacitance measurement circuit, the display instrument shows the size of the measured pressure.
Dongguan Yongqiang spring hardware Co.,Ltd. thinks that that firms can avoid the artificial choice between quantitative and qualitative risk management, allowing both to play important roles in surfacing and assessing risks.
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