JPH0210737U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図はこの考案の漏電遮断器の実施例を示す
回路図、第２図Ａ及び第２図Ｂはこの実施例の動
作を示す波形図、第３図は従来の技術による漏電
遮断器の回路図、第４図Ａ、第４図Ｂ及び第４図
Ｃは従来の技術による漏電遮断器の動作を示す波
形図である。 図中、Ａ，Ｂは電路、３Ａ，３Ｂは遮断手段、
５は変流器、９は検出手段、１５はスイツチ手段
、１６Ａは全波整流回路、１６Ｂは出力端子、１
６Ｄは導線である。 Fig. 1 is a circuit diagram showing an embodiment of the earth leakage breaker of this invention, Figs. 2A and 2B are waveform diagrams showing the operation of this embodiment, and Fig. 3 is a circuit diagram of the earth leakage breaker according to the prior art. The circuit diagrams, FIG. 4A, FIG. 4B, and FIG. 4C are waveform diagrams showing the operation of a conventional earth leakage breaker. In the figure, A and B are electric circuits, 3A and 3B are interrupting means,
5 is a current transformer, 9 is a detection means, 15 is a switch means, 16A is a full-wave rectifier circuit, 16B is an output terminal, 1
6D is a conductor.

Claims (1)

【実用新案登録請求の範囲】 電路に設けられ電路の電流を検出する零相変流
器、 零相変流器の検出出力が所定値を超えたとき電
路を遮断する遮断手段、 少なくとも一個の電路に設けられ電路の異常電
流を検出する検出手段、 検出手段の検出出力が所定時間継続的に所定値
を超えたとき作動するスイツチ手段、 電路の交流電圧を全波整流する全波整流回路、
及び 零相変流器を挿通しつつ全波整流回路の出力端
子とスイツチ手段を接続する相当り一本の導線、 を有する漏電遮断器。[Scope of Claim for Utility Model Registration] A zero-phase current transformer that is installed in an electrical circuit and detects the current in the electrical circuit, a breaking means that interrupts the electrical circuit when the detection output of the zero-phase current transformer exceeds a predetermined value, and at least one electrical circuit. a detection means for detecting abnormal current in the electric circuit, a switch means that operates when the detection output of the detection means continuously exceeds a predetermined value for a predetermined period of time, a full-wave rectifier circuit for full-wave rectification of the alternating current voltage in the electric circuit;
and an earth leakage breaker having one conductor per wire that connects the output terminal of the full-wave rectifier circuit and the switching means while passing through the zero-phase current transformer.