JPS58124036U

JPS58124036U - Ground fault indicator for electrical equipment

Info

Publication number: JPS58124036U
Application number: JP2090882U
Authority: JP
Inventors: 大田　正行
Original assignee: 日本高圧電気株式会社
Priority date: 1982-02-17
Filing date: 1982-02-17
Publication date: 1983-08-23
Also published as: JPH0314921Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

図面は本願の実施例を示すもので、第１図は一部を断面
にして示す正面図、第２図は地絡事故表示器の断面図、
第３図は■−■線断面図、第４図は表示動作状態を示す
第３図と同様の１第５図は破裂断路体の断面図、第６図
は電気回路図、第７図は異なる実施例を示す第１図と同
様の正面図、第８図は第７図のものの電気回路図、第９
図は第７図の地絡事故表示器の断面図、第１０図は表示
動作状態を示す第９図と同様の図、第１１図乃至第１６
図は更に異なる実施例を示すもので、第１１図乃至第１
３図は第２図乃至第４図と類型９図、第１′４図は回路
図、第１５図は切断動作体の正面図、第１６図は切断状
態を示す図、第１７図乃至第２１図は更に異なる実施例
を示すもので、第１７図は取付状態を示す部分図、第１
８図及び第１９図は第２図及び第３図と類型の図、第２
０図はｘｘ−ｘＸ線断面図、第２１図は表示状態を示す
一部破断図、第２２図及び第２３図は更に異なる実施例
を示す部分図、第２４図は使用方法の異なる例を示す図
。９・・・・・・限流装置（接地回路）、２４・・・・・
・ケース（基体）、２８・・・・・・サーチコイル（検
出回路）、３３・・・・・・破裂断路体（表示機構）、
４３・・・・・・表示体（表示機構）。３ｔ２１１２ｇ−第會図＼第四図　− 第２１図０The drawings show an embodiment of the present application, and FIG. 1 is a partially sectional front view, and FIG. 2 is a sectional view of a ground fault indicator.
Figure 3 is a sectional view taken along the line ■-■, Figure 4 is similar to Figure 3 showing the display operating state, Figure 5 is a sectional view of a rupture disconnector, Figure 6 is an electric circuit diagram, and Figure 7 is FIG. 8 is a front view similar to FIG. 1 showing a different embodiment; FIG. 8 is an electrical circuit diagram of FIG. 7;
The figure is a cross-sectional view of the ground fault indicator shown in Figure 7, Figure 10 is a diagram similar to Figure 9 showing the display operating state, and Figures 11 to 16.
The figures show further different embodiments.
3 is a diagram showing the type 9 of FIGS. 2 to 4, FIG. 1'4 is a circuit diagram, FIG. 15 is a front view of the cutting operation body, FIG. Fig. 21 shows a further different embodiment, Fig. 17 is a partial view showing the installation state, and Fig. 1
Figures 8 and 19 are similar to Figures 2 and 3;
Figure 0 is a sectional view taken along line xx-xX, Figure 21 is a partially cutaway view showing the display state, Figures 22 and 23 are partial views showing further different embodiments, and Figure 24 shows an example of a different usage method. Figure shown. 9... Current limiting device (grounding circuit), 24...
・Case (base body), 28...Search coil (detection circuit), 33...Rupture disconnector (display mechanism),
43...Display body (display mechanism). 3t 211 2g - No. 3 Figure ＼ Figure 4 - Figure 21 0

Claims

[Scope of utility model registration request]

The base is equipped with a grounding circuit for protecting electrical equipment, and includes a detection circuit that detects when a ground fault current flows through the grounding circuit and generates an output, and a detection circuit that generates an output when the ground fault current flows through the grounding circuit. 1. A ground fault indicator for electrical equipment, characterized in that it is equipped with an indicating mechanism to perform an indicating operation.