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煤矿发生事故的原因多为瓦斯爆炸,而引起瓦斯爆炸的起因部分是由于误操作电气设备引起的。本人在煤矿工作多年,了解到不少煤矿为节省开支电工定员不足,甚至有的煤矿只有1个电工,造成井下生产中随意操作电气设备,大大增加了事故发生的几率。 针对以上情况,本人设想对隔爆开关增设密码功能,在煤矿生产中,隔爆开关是必不可少配电设备之一,密码由电工掌握即可杜绝非电工人员操作设备。下面以QC83-80隔爆开关为例,介绍为其加密的改造措施。
The causes of accidents in coal mines are mostly gas explosions, and the causes of gas explosions are partly caused by misoperation of electrical equipment. I have worked in coal mines for many years and learned that quite a few coal mines have insufficient capacity for electricians to save money. Some coal mines even have only one electrician, resulting in the random operation of electrical equipment in underground production, greatly increasing the chances of accidents. In view of the above, I envisaged to add a password to the explosion-proof switch function, in coal mine production, flameproof switch is one of the essential distribution equipment, the password by the electrician to stop non-electrician operating equipment. The following to QC83-80 explosion-proof switch, for example, introduced for its encrypted transformation measures.