Magnetic levitation train speed and distance measuring system

Abstract

The invention relates to a magnetic levitation train speed and distance measuring system. The magnetic levitation train speed and distance measuring system comprises a plurality of induction proximityswitch sets arranged at the bottom of a train, speed and distance measuring control boxes arranged in train-mounted equipment cabinets at the activated end and the non-activated of the train, digitalservo acceleration sensors arranged at the bottoms of the speed and distance measuring control boxes for detecting the acceleration of the train, induction proximity switch detection objects, and speed and distance measuring control units arranged in the speed and distance measuring control boxes at the two ends of the train; and the speed and distance measuring control units are connected with the digital servo acceleration sensors and the induction proximity switch sets correspondingly, and metal sleepers parallelly distributed on a rail serve as the induction proximity switch detection objects. Compared with the prior art, the magnetic levitation train speed and distance measuring system has the advantages of low cost, accurate measuring, high environmental adaptability, small measuring error, high anti-jamming ability, high usability, reliability, safety and the like.

Description

technical field [0001] The invention relates to the technical field of rail transit, in particular to a speed measuring and distance measuring system for a maglev train. Background technique [0002] As an advanced rail transit system tool, the maglev train has many advantages such as safe operation, energy saving and environmental protection, low cost, environmental friendliness, flexible route selection, etc., and has become a hot spot of research and attention. The development and research of maglev train system technology is in the ascendant. As one of the key technologies of the maglev train system, the speed measurement and distance measurement system provides speed and position signals for the train operation system, traction system, braking system, automatic protection system and monitoring system. Therefore, the signal provided by the speed measurement and distance measurement system is the basic data necessary for the completion of train operation safety protectio...

AI Technical Summary

Problems solved by technology

However, the speed radar is easily affected by factors such as rain and snow, the degree of reflection of the ground reflective surface, and the speed of the train. Therefore, most of them are not used independently as the main speed measurement method, and are mostly used as an auxiliary speed measurement verification method.

[0008] To sum up, the above methods have problems such as difficulty in project implementation, high maintenance costs, low reliability, and high dependence on environmental friendliness to varying degrees.

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