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针对井下机车相撞、追尾等运输事故,利用超声测距受井下粉尘、空气潮湿等环境因素影响较小的特点,采用扩频技术提高测距范围和测量分辨率,同时增强测距抗干扰能力,详细介绍了基于该技术的井下机车防撞系统结构、工作原理以及关键参数选取等。
Aiming at the traffic accidents such as collision and rear-end collision of downhole locomotives and so on, the use of ultrasonic ranging is affected less by environmental factors such as downhole dust and air dampness. Spread spectrum technology is used to improve the ranging range and measurement resolution while enhancing the capability of ranging and anti-interference , Details the structure, working principle and selection of key parameters of downhole locomotive collision avoidance system based on this technology.