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我们多年来在减速顶测试中应用的电磁、光电等传感器,深感有以下不足之处:1、体积大,并需附加复杂的电路。2、在站场的恶劣条件下抗磁、抗电尤其是抗震动干扰的性能差,可靠性差。3、电磁传感器不能用于低速测试。4、信息小,传输距离近。我们对传感器提出的更高要求是:结构简单,减少附加电路,对磁、电、震动的抗干扰性能强,输出信息大,传输距离远,高低速均可使用,而且稳定可靠。本着这种需要,我们于1980年研究并试制了一种“KWX
Our years of application in the deceleration top test electromagnetic, photoelectric and other sensors, deeply the following deficiencies: 1, bulky, and the need to attach complex circuits. 2, in the harsh conditions of the site diamagnetism, anti-electricity, especially anti-vibration interference poor performance, poor reliability. 3, the electromagnetic sensor can not be used for low speed test. 4, small information, transmission distance near. We put forward higher requirements for the sensor: simple structure, reduce additional circuits, magnetic, electrical, vibration and strong anti-jamming performance, output information, transmission distance, high and low speed can be used, and stable and reliable. In response to this need, we studied and piloted a KWX in 1980