JPS5987621U - electromagnetic flow meter - Google Patents
electromagnetic flow meterInfo
- Publication number
- JPS5987621U JPS5987621U JP18308582U JP18308582U JPS5987621U JP S5987621 U JPS5987621 U JP S5987621U JP 18308582 U JP18308582 U JP 18308582U JP 18308582 U JP18308582 U JP 18308582U JP S5987621 U JPS5987621 U JP S5987621U
- Authority
- JP
- Japan
- Prior art keywords
- output signal
- signal
- comparator
- magnetic field
- model registration
- 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.)
- Pending
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図は従来公知の信号処理回路の構成説明図である。
第２図は本考案実施例の作用を説明するための゛波形図
である。第３図は本考案実施例の構成説明図である。
ＦＤ・・・・・・流量検出器、ｐｃ・・・・・・信号処
理回路、９・・・・・・第１サンプリングスイツチ、１
０・曲・第２サンプリングスイツチ、１２・・・・・・
第１サンプリング信号保持素子、１３・・・・・・第２
サンプリング信号保持素子、１４・・・・・・差動増幅
器、１６・・・・・・加算回路、１８・・・・・・ウィ
ンド形比較器、１９・・・・・・警報器。FIG. 1 is an explanatory diagram of the configuration of a conventionally known signal processing circuit. FIG. 2 is a waveform diagram for explaining the operation of the embodiment of the present invention. FIG. 3 is an explanatory diagram of the configuration of an embodiment of the present invention. FD...Flow rate detector, PC...Signal processing circuit, 9...First sampling switch, 1
0, song, 2nd sampling switch, 12...
first sampling signal holding element, 13...second
Sampling signal holding element, 14...Differential amplifier, 16...Addition circuit, 18...Window type comparator, 19...Alarm.
Claims (2)
をつくる励磁手段を有する流量検出器と該検出器の出力
信号を処理する信号処理回路を具備し、前記信号処理回
路は前記対称波の第１半周期期間および第２半周期期間
の特定の位相時゛ ごと゛にそれぞれ前記出力信号を
サンプリングする第１および第２のサンプリングスイッ
チと、−前記第１、第２のスイッチによりサンプリング
せる信号をそれぞれ保持する第１、第２のサンプリング
信号保持素子と、前記第１、第２の保持素子に保持され
ている第１、第２の保持信号を加算し該加算値に比例す
る大きさの出力信号を生ずる加算回路を具備する電磁流
量計。(1) A flow rate detector having excitation means for creating a symmetrical groove magnetic field with a constant period across the fluid flowing in the pipe, and a signal processing circuit for processing the output signal of the detector, the signal processing circuit being configured to generate the symmetrical groove magnetic field. - first and second sampling switches that sample the output signal at specific phase times of the first and second half-cycle periods, respectively; - the first and second switches sample the output signal; A size proportional to the sum of the first and second sampling signal holding elements that each hold a signal and the first and second holding signals held in the first and second holding elements. An electromagnetic flowmeter comprising a summing circuit that produces an output signal.
ひき該出力信号の大きさが予め設定されている比較器の
目標値を越えるとき比較器の出力信号により警報を発す
る警報器を具備する前記実用新案登録請求の範囲第１項
記載の電磁流量計。(2) An alarm device is provided which guides the output signal of the adder circuit to a window type comparator and issues an alarm based on the output signal of the comparator when the magnitude of the output signal exceeds a preset target value of the comparator. The electromagnetic flowmeter according to claim 1 of the utility model registration claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18308582U JPS5987621U (en) | 1982-12-02 | 1982-12-02 | electromagnetic flow meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18308582U JPS5987621U (en) | 1982-12-02 | 1982-12-02 | electromagnetic flow meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5987621U true JPS5987621U (en) | 1984-06-13 |
Family
ID=30396333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18308582U Pending JPS5987621U (en) | 1982-12-02 | 1982-12-02 | electromagnetic flow meter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5987621U (en) |
-
1982
- 1982-12-02 JP JP18308582U patent/JPS5987621U/en active Pending
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