Checking system and checking method for occupation of tramcar switch section based on annular coil

Abstract

The invention discloses a checking system for occupation of a tramcar switch section based on an annular coil. The checking system comprises the annular coil arranged at the center of a tramcar route, a vehicle detecting module arranged beside a track and a logical operation host, wherein the annular coil and the vehicle detecting module are connected by a feed line to form a vehicle detector; the vehicle detector is used for detecting whether a tramcar passes or not and a passing direction of the tramcar; the vehicle detecting module and the logical operation host are connected by a field communication bus; the logical operation host is used for carrying out logical operation according to tramcar passing information acquired by the vehicle detecting module, and comprehensively judging occupation and clearing states of the switch section. The system disclosed by the invention is flexible in use, safe, reliable and lower in cost; safe driving of the tramcar on the switch section is guaranteed by logical judgment, and further operation efficiency of the tramcar is improved; a logical operation unit is enabled to guide towards a safe state even if any logical condition is mistakenly judged.

Description

technical field [0001] The invention relates to the field of safety driving systems for tramway turnout sections, in particular to a system and method for checking the occupancy of tramway turnout sections based on ring coils. Background technique [0002] In order to ensure the safe operation of trams in the turnout section, reliable train position detection equipment should be installed in the area before and after the turnout to detect whether the turnout section is occupied and cleared to judge whether the approach of the turnout section should be unlocked. Realize the safe and orderly passage of the train through the turnout. Commonly used testing equipment includes GPS / Beidou satellites, dedicated track circuits, axle counters, beacons, and induction loops. However, in different environments, the above detection equipment will show its corresponding shortcomings. For example, in places with many obstacles around, GPS / Beidou satellites will be affected to varying degre...

AI Technical Summary

Problems solved by technology

However, in different environments, the above detection equipment will show its corresponding shortcomings. For example, in places with many obstacles around, GPS / Beidou satellites will be affected to varying degrees, or even unable to locate. The fault is very sensitive; the track circuit needs to divide the track into different sections, and high accuracy cannot be guaranteed; the axle counting equipment needs to be installed on the guide rail, which is not applicable to some trams; for the beacon detection method, To achieve higher precision, a large number of settings are required, which will increase the system investment; and the induction loop also has the disadvantages of poor anti-interference ability, dead zone in signal transmission and large signal fluctuation.

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