近距离间接开关

Proximity Switch With the development of science technology and improvement of automation degree, each kind of information sensor has been widely applied, the switching and analogy signal controlling occupy dominant position in automation control, it aims to transfer the physical and chemical quantity to switching quantity signal, which needs switching quantity signal in electricity quantity form. No contact point proximity switch (Also called electronic proximity switch). It is composed of oscillator and amplifier which will produce alternating magnetic field in the inductive head of oscillator, when the tested metal gets close to the probe, it will produce whirlpool in the metal, absorb the energy of oscillation so as to weaken, until stopping, and make the output state of proximity switch reversing. This series proximity switch is high frequency oscillation type. It has no contact, no pressure, no spark, and gives output signal rapidly, make use of drive relay or logic door, it has series advantages of high sensitive, rapid frequency reaction, high precise repeated orientation, short system transient output response, big output power, good relay characteristic, credible and reliable work, long use life. This series proximity switch is widely applied to modern light industry, machinery, metallurgy, communication, electricity, textile, war industry, chemical industry, mineral etc as the digit controlling equipment for punch and industrial production streamline et microcomputer, automatic join of position control and degree processing, the distance, limiting, timing and level automatic counting for automatic control movement machinery.