基于多联锁共享的道岔控制切换电路设计

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Abstract Research purposes: To realize 4 sets of interlocking shared control of 1~4 sets of switches in the signal comprehensive experiment and training base of railway bureau. On the basis of switching between interlock and outdoor turnout and safe control, it can reduce repeated construction of outdoor and indoor equipment, minimize the occupation of construction site, and save construction cost.
Research conclusions: (1) A switching circuit is designed between interlock and switch interface circuit to realize the shared control of multiple interlocks on the same set of switches. (2) Four switch buttons are designed for each set of interlocks to achieve one-click switch. (3) The circuit is designed to indicate which set of interlock is currently connected. (4) All relays of the switching circuit are designed to connect the default interlock when they fall down, so as to ensure that at least one interlock can control the switch normally when the switching circuit fails. (5) The switching circuit fully considers the physical mutual exclusion between multiple sets of interlocks, so as to ensure that only one set of interlock control outdoor switch at the same time. (6) A switch synchronous inspection circuit is designed to check whether the switch control and switch representation are controlled by the same set of interlocks. (7) The application in Changsha experiment and training base shows that the circuit design meets the need of realizing multi-interlock shared switch control in signal comprehensive experimental and training base.

Key words： railway signal signal interlocking switch control switch circuit design

Received: 17 May 2021

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U28

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	ZHONG Zhiwang
	CHEN Jianyi

Cite this article:

ZHONG Zhiwang,CHEN Jianyi. Design of Switch Control Circuit Based on the Multi-interlock Sharing[J]. Journal of Railway Engineering Society, 2022, 39(3): 101-106.

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https://tdgcxb.crec.cn/EN/ OR https://tdgcxb.crec.cn/EN/Y2022/V39/I3/101

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