Gas circuit breaker

气体断路器

Abstract

The invention provides a gas circuit breaker capable of holding consumption extent of slit part in insulation nozzle easily, and determining replacing time of the insulation nozzle. When composing the insulation nozzle 17 of the slit part 19 with smallest diameter in injection-flow passage of arc gas, at least one grooves 20 for replacement marking of nozzles are formed on the slit 19. Confirming status of grooves 20 for replacement marking of nozzles formed on the slit 19 of the insulation nozzle 17, in the situation of cut depth damage of the grooves 20 for replacement marking of nozzles being almost dispared, then determining slits 19 of the insulation nozzles 17 are consumed, then the insulation nozzle 17 are replaced by new products. The invention can determine replacement time of insulation nozzle exactly by using simple structure.
本发明提供了一种能够容易地把握绝缘管嘴中的狭缝部的消耗程度,判断绝缘管嘴的更换时间的气体断路器。在构成在消弧性气体的喷吹流路中有最小直径的狭缝部(19)的绝缘性管嘴(17)时,在狭缝部(19)上形成了至少一个管嘴更换标识用沟(20)。确认在绝缘性管嘴(17)的狭缝部(19)上形成的管嘴更换标识用沟(20)的状态,在该管嘴更换标识用沟(20)的切入深度损伤到大约消失的情况下,判断为绝缘管嘴(17)的狭缝部(19)已消耗,将绝缘管嘴(17)用新品更换。本发明能用简单的结构确切地判断绝缘管嘴的更换时间。

Claims

Description

Topics

Download Full PDF Version (Non-Commercial Use)

Patent Citations (0)

    Publication numberPublication dateAssigneeTitle

NO-Patent Citations (0)

    Title

Cited By (0)

    Publication numberPublication dateAssigneeTitle