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由义马矿务局宜洛煤矿电器厂和重庆红星无线电厂研制的 KDJ—250型矿山架线电机车运输信号系列装置,于1990年3月通过技术鉴定。该系列装置包括:①防追尾区间闭锁控制器;②支巷自动停送电控制器;③人车场自动停送电控制器:⑤防追尾信号装置;⑤叉道口信号装置。是一种新型的巷道运输安全电子控制设备。该产品设计合理、结构简单、动作可靠、安装维修方便。控制电路采用架线电源,可节约电缆。经“国家煤矿安全产品质屋监督监测测试中以重庆
The KDJ-250 mine line locomotive transport signal series device developed by Yiluo Coal Mine Electric Appliance Factory of Yima Mining Bureau and Chongqing Hongxing Radio Factory passed technical appraisal in March 1990. The series of devices include: ① anti-rear-end interval lock controller; ② branch automatically stop the electrical controller; ③ people stop automatically parked electrical controller: ⑤ anti-rear-end signal device; ⑤ fork crossing signal device. Is a new type of road transport safety electronic control equipment. The product design is reasonable, simple structure, reliable action, easy installation and maintenance. Control circuit using overhead power supply, can save the cable. The "National Coal Mine Safety Products Quality House monitoring test to Chongqing