关键词: 闭塞分区, 出清, 区间逻辑检查, 延时, 解锁

Abstract: Starting with adding the section logic inspection equipment, this paper analyzes the reasons for the phenomenon that the block section in rear of the home signal is cleared later than the section in rear of the home signal and cannot be unlocked normally after adding the equipment, and puts forward measures and suggestions to improve the circuit diagram design, so as to ensure the interlocking safety and reduce the impact on transportation. It has practical value and significance of easy operation and promotion for the design, construction, maintenance and operation units in their daily work.

Key words: block section, clear, section logic check, delay, unlock