JPS5857757U - clamp ammeter - Google Patents

clamp ammeter

Info

Publication number
JPS5857757U
JPS5857757U JP14870181U JP14870181U JPS5857757U JP S5857757 U JPS5857757 U JP S5857757U JP 14870181 U JP14870181 U JP 14870181U JP 14870181 U JP14870181 U JP 14870181U JP S5857757 U JPS5857757 U JP S5857757U
Authority
JP
Japan
Prior art keywords
output
clamp
generates
hall element
clamp ammeter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP14870181U
Other languages
Japanese (ja)
Other versions
JPS6313496Y2 (en
Inventor
康文 鈴木
Original Assignee
日置電機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日置電機株式会社 filed Critical 日置電機株式会社
Priority to JP14870181U priority Critical patent/JPS5857757U/en
Publication of JPS5857757U publication Critical patent/JPS5857757U/en
Application granted granted Critical
Publication of JPS6313496Y2 publication Critical patent/JPS6313496Y2/ja
Granted legal-status Critical Current

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  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)

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

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

第１図はゼロフラックス法による負帰還ループ説明図、
第２図はこの考案の構成を示すブロックダイヤグラフ、
第３図は各部における出力波形図である。 ３．３′・・・・・・増巾器、６・・・・・・電流増巾
器、７・・・・・・サンプルホールド回路、８・・・比
較器、９・・・単安定マルチバイブレータ、１０・・・
交流減衰発振器。。Figure 1 is an explanatory diagram of the negative feedback loop using the zero flux method.
Figure 2 is a block diagram showing the configuration of this invention.
FIG. 3 is an output waveform diagram of each part. 3.3'...Amplifier, 6...Current amplifier, 7...Sample and hold circuit, 8...Comparator, 9...Monostable Multi vibrator, 10...
AC damped oscillator. .

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 閉磁路を形成する磁気コアと、これに挿入したホール素
子と、増巾器および帰還巻線とによって構成されるゼロ
フラックス法によるクランプ電流計において、ホール素
子の出力が一定値を超えた時に出力を生じる比較器と、
該出力により一定時間のパルスを発生する単安定マルチ
バイ−レータと、上記パルス巾以内において交流減衰信
号を発生する交流減衰発振器とを具備したことを特徴と
するクランプ電流計。In a clamp ammeter using the zero flux method, which consists of a magnetic core that forms a closed magnetic path, a Hall element inserted into it, an amplifier, and a feedback winding, an output occurs when the output of the Hall element exceeds a certain value. a comparator that yields
1. A clamp ampermeter comprising: a monostable multivibrator that generates a pulse of a certain duration based on the output; and an AC damped oscillator that generates an AC damped signal within the pulse width.
JP14870181U 1981-10-06 1981-10-06 clamp ammeter Granted JPS5857757U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14870181U JPS5857757U (en) 1981-10-06 1981-10-06 clamp ammeter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14870181U JPS5857757U (en) 1981-10-06 1981-10-06 clamp ammeter

Publications (2)

Publication Number Publication Date
JPS5857757U true JPS5857757U (en) 1983-04-19
JPS6313496Y2 JPS6313496Y2 (en) 1988-04-16

Family

ID=29941507

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14870181U Granted JPS5857757U (en) 1981-10-06 1981-10-06 clamp ammeter

Country Status (1)

Country Link
JP (1) JPS5857757U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011106890A (en) * 2009-11-14 2011-06-02 Mitsubishi Materials Corp Current sensor device
JP2012112842A (en) * 2010-11-25 2012-06-14 Chichibu Fuji Co Ltd Current sensor

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5432540U (en) * 1977-08-06 1979-03-03

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5432540U (en) * 1977-08-06 1979-03-03

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011106890A (en) * 2009-11-14 2011-06-02 Mitsubishi Materials Corp Current sensor device
JP2012112842A (en) * 2010-11-25 2012-06-14 Chichibu Fuji Co Ltd Current sensor

Also Published As

Publication number Publication date
JPS6313496Y2 (en) 1988-04-16

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