Train running part state monitoring multi-parameter sensor
A technology of running parts and sensors, which is applied in the field of special sensors, can solve problems such as misdiagnosis and misjudgment, incompleteness, and incomplete shaft temperature monitoring and alarming, and achieve suppression of strong electromagnetic interference, avoiding misdiagnosis or missed diagnosis, and suppressing common mode interference and poor The effect of mode interference
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[0026] Combined with the accompanying drawings, figure 1 It is a sectional view of the present invention, figure 2 It is a block diagram of the principle of the present invention. A multi-parameter sensor for state monitoring of the running part of a train, comprising a housing, a base, a lead joint, a charge amplifier, a mass, a vibration and shock sensitive device, a current limiting resistor, a temperature sensitive device, a thermal logic element, and a seal; The sensor is equipped with three sensitive components: vibration and shock sensitive devices, temperature sensitive devices, and heat-sensitive logic components. Among them, the vibration and shock sensitive devices are used to pick up the vibration and shock generated during the operation of key components of the train running part, and the temperature sensitive devices It is used to monitor the temperature change of the key components of the train running part during operation. The thermal logic element is in the...
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