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发明名称
“本安型”防爆控制器
摘要
本实用新型包括:继电器、启动开关、并且还包括,集电极与继电器连接,发射极与地连接,基极通过开关与偏置电阻连接的三极管,并且在电源端并接齐纳二极管限制电路电压不超过18V,且利用三极管基极小电流、低电压控制三极管集电极上的继电器,通过继电器转控380V电气控制回路的通断。从而达到防爆目的,本装置防爆等级高,成本低,体积小,安装使用方便,寿命长,可用于任何防爆场所。
申请公布号
CN2149016Y
申请公布日期
1993.12.08
申请号
CN92246027.2
申请日期
1992.12.30
申请人
张绍勋
发明人
张绍勋
分类号
H01H47/32
主分类号
H01H47/32
代理机构
代理人
主权项
1、一种防爆控制器,包括:继电器、启动开关,其特征在于它还包括:a、集电极与继电器连接,发射极与地连接,基极通过开关与偏置电阻连接的三极管,b、与电源端并接的齐纳二级管。
地址
161005黑龙江省齐齐哈尔市市粮食局
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