JPS5857757U - clamp ammeter - Google Patents
clamp ammeterInfo
- 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
Links
Landscapes
- 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
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)
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.
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5432540U (en) * | 1977-08-06 | 1979-03-03 |
-
1981
- 1981-10-06 JP JP14870181U patent/JPS5857757U/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5432540U (en) * | 1977-08-06 | 1979-03-03 |
Cited By (2)
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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