一种电源电涌保护箱

Power surge protecting box

Abstract

一种电源电涌保护箱,保护箱前端、电源引入线之后设置B级电源保护开关,B级保护开关与B级电涌保护器连接,B级电涌保护器与协调电感连接,协调电感与C级保护开关连接,C级保护开关与C级电涌保护器连接,C级电涌保护器与输出开关连接,B级电涌保护器包括两个B级电涌保护器模块,B级电涌保护器1号模块设置在相线与中性线之间,B级电涌保护器2号模块设置在中性线与保护地线之间,C级电涌保护器包括两个C级电涌保护器模块,C级电涌保护器3号模块设置在相线与中性线之间,C级电涌保护器4号模块设置在中性线与保护地线之间。本实用新型的电源电涌保护箱特别适用于铁路红外热轴温度探测系统的探测站中,效果十分明显。
The utility model discloses a power surge protecting box. A class B power protection switch is arranged between the front end of the protecting box and the back of a power lead, and connected with a class B surge protection device; the class B surge protection device is connected with a coordination inductance; the coordination inductance is connected with a class C protection switch; the class C protection switch is connected with a class C surge protection device; the class C surge protection device is connected with an output switch; the class B surge protection device includes two class B surge protection device modules, a class B surge protection device module NO.1 is arranged between a phase line and a neutral line and a class B surge protection device module NO.2 is arranged between the neutral line and a protective earth wire; and the class C surge protection device includes two class C surge protection device modules, a class C surge protection device module NO.3 is arranged between the phase line and the neutral line and a class C surge protection device module NO.4 is arranged between the neutral line and the protective earth wire. The power surge protecting box is especially applicable to a detection station of a railway infrared thermal axis temperature detecting system with rather distinct effect.

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