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随着矿井向深部发展,为了使安全及生产工作能圆满地进行,增加必要的通讯数量是实现该目的的一个途径。近几年来,我们都能看到有线通讯技术的进步。可是,从所见到的井下电话受到限制的情况来看,还不能说已把有线通讯的技术进步成果及其实用价值都得到了充分地发挥。这是由于受到井下特殊条件的限制,即是说:对可燃性气体所采取的防爆结构上的问题阻碍了它的应用。
As the mine progresses to deeper levels, in order to allow safety and production to work satisfactorily, increasing the volume of necessary communications is one way to achieve this. In recent years, we have all seen advances in wired communications technology. However, from what we see downhole telephone restrictions, it can not be said that the achievements of wired technology and its practical value have been fully realized. This is due to the fact that it is limited by the special underground conditions, that is to say, the problem of the explosion-proof structure of the combustible gas has hindered its application.