JPS6088222U - Electromagnetic current meter - Google Patents
Electromagnetic current meterInfo
- Publication number
- JPS6088222U JPS6088222U JP18090483U JP18090483U JPS6088222U JP S6088222 U JPS6088222 U JP S6088222U JP 18090483 U JP18090483 U JP 18090483U JP 18090483 U JP18090483 U JP 18090483U JP S6088222 U JPS6088222 U JP S6088222U
- Authority
- JP
- Japan
- Prior art keywords
- current meter
- electromagnetic current
- sensor
- certain period
- intervals
- 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 Volume Flow (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ａ、 ｂは従来の流速計の波形説明図、第２図ａ
、 ｂは本考案の流速計の波形説明図、第２図Ｃはその
サンプリング説明図、第３図はその回路図である。
１・・・・・・センサ、２・・・・・・スイッチング回
路、３・・・・・・Ａ／Ｄコンバータ、４・・・・・・
演算器、５・・・・・・コイル、６・・・・・・定電流
回路、７・・・・・・Ｄ／Ａコンバータ、Ａ１．Ａ２・
・・・・・アンプ、Ａ４．Ａ、・・・・・・サンプルホ
ールド回路。
νFigure 1 a and b are explanatory diagrams of waveforms of a conventional current meter, Figure 2 a
, b is an explanatory diagram of waveforms of the current meter of the present invention, FIG. 2C is an explanatory diagram of its sampling, and FIG. 3 is its circuit diagram. 1...Sensor, 2...Switching circuit, 3...A/D converter, 4...
Arithmetic unit, 5... Coil, 6... Constant current circuit, 7... D/A converter, A1. A2・
...Amplifier, A4. A...Sample and hold circuit. ν
Claims (1)
極で検知した交流波形の信号を、その半周期骨を反転し
た後一定時間間隔でディジタル的にサンプリングし一部
廟期毎に次のサンプリング時間内にディジタル的に平均
化演算を行い出力を得るようにし・たことを特徴とする
電磁式流速計。The excitation coil in the sensor is excited with an AC power supply, and the AC waveform signal detected by the electrodes of the sensor is inverted for half a period, and then digitally sampled at fixed time intervals, and the next sampling is performed at intervals of a certain period. An electromagnetic current meter characterized in that the output is obtained by digitally averaging calculations within a certain period of time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18090483U JPS6088222U (en) | 1983-11-25 | 1983-11-25 | Electromagnetic current meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18090483U JPS6088222U (en) | 1983-11-25 | 1983-11-25 | Electromagnetic current meter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6088222U true JPS6088222U (en) | 1985-06-17 |
| JPH0450510Y2 JPH0450510Y2 (en) | 1992-11-27 |
Family
ID=30392128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18090483U Granted JPS6088222U (en) | 1983-11-25 | 1983-11-25 | Electromagnetic current meter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6088222U (en) |
-
1983
- 1983-11-25 JP JP18090483U patent/JPS6088222U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0450510Y2 (en) | 1992-11-27 |
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