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发明名称
电子式X光射线机自动开关
摘要
本实用新型提供一种在X光射线机上专用双时间继电器,该装置的特点是定时部分用一块NE555时基电路。 当接通电源时,通过电阻及正反向二极管的连接为C<SUB>5</SUB>的充放电来完成的,为C<SUB>5</SUB>充放电的结果可以造成时基电路NE555输出端的高电平或低电平,从而影响继电器触点的吸合或断开,带动X光射线机启动或停止。
申请公布号
CN2140558Y
申请公布日期
1993.08.18
申请号
CN92230738.5
申请日期
1992.08.20
申请人
王英行
发明人
王英行
分类号
H01H47/18;H01H17/28
主分类号
H01H47/18
代理机构
代理人
主权项
1、一种电子式X光射线机自动开关由电源部分和定时部分组成,其特征在于定时部分有一块NE555时基电路,NE555的1脚接正电源,2脚与6脚相接后分两路,一路接VD2,另一路接VD1与C5中点,R5,RW与VD1串联后再与C5串联,C5另一端接正电源,NE555的3脚接继电器J,4脚与8脚相接后再接R5另一端,7脚接R5与RW中点。
地址
051730河北省新河县中医院
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