JPS5839519U - electromagnetic flow meter - Google Patents
electromagnetic flow meterInfo
- Publication number
- JPS5839519U JPS5839519U JP13383581U JP13383581U JPS5839519U JP S5839519 U JPS5839519 U JP S5839519U JP 13383581 U JP13383581 U JP 13383581U JP 13383581 U JP13383581 U JP 13383581U JP S5839519 U JPS5839519 U JP S5839519U
- Authority
- JP
- Japan
- Prior art keywords
- flow velocity
- excitation
- electromagnetic flowmeter
- flow meter
- reference voltage
- 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図は従来の電磁流量計の一例を示す接続図、第２図
は本考案電磁流量計の一実施例を示す接続図、第３図は
本考案電磁流量計の他の実施例を示す接続図である。
１・・・電磁流量計発信器、２・・・励磁回路、３・・
・増幅器、５・・・流速設定器、６・・・信号処理回路
、７・・・基準電崖調整回路、８・・・加算回路、μｐ
・・・マイクロプロセツザζＡＤＣ・・・Ａ／Ｄ変換器
、ＤＡＣ，。
ＤＡＣ２・・・Ｄ／Ａ変換器、Ｌ・・・励磁コイル、Ｃ
Ｃ・・・定電流回路、Ｅｒ・・・基準電圧。Fig. 1 is a connection diagram showing an example of a conventional electromagnetic flowmeter, Fig. 2 is a connection diagram showing an embodiment of the electromagnetic flowmeter of the present invention, and Fig. 3 is a diagram showing another embodiment of the electromagnetic flowmeter of the present invention. It is a connection diagram. 1... Electromagnetic flowmeter transmitter, 2... Excitation circuit, 3...
・Amplifier, 5...Flow rate setting device, 6...Signal processing circuit, 7...Reference voltage cliff adjustment circuit, 8...Addition circuit, μp
...Microprocessor ζADC...A/D converter, DAC. DAC2...D/A converter, L...excitation coil, C
C...constant current circuit, Er...reference voltage.
Claims (1)
る増幅器と、前記発信器の励磁コイルに流す励磁電流を
切換える手段および基準電圧に基づいて励磁電流の定常
値を一定に制御する手段を含む励磁回路と、測定したい
流速範囲に応じた流速値を設定する流速設定器とを有す
る電磁流量計において、前記流速設定器で設定した流速
値に関門シて前記励磁回路の基準電圧を調整する手段を
・設けたことを特徴とする電磁流量計。An electromagnetic flowmeter oscillator, an amplifier for amplifying the induced voltage from the oscillator, means for switching the excitation current flowing through the excitation coil of the transmitter, and means for controlling the steady-state value of the excitation current to be constant based on a reference voltage. In an electromagnetic flowmeter having an excitation circuit including an excitation circuit and a flow velocity setting device that sets a flow velocity value according to a flow velocity range to be measured, a reference voltage of the excitation circuit is adjusted in accordance with the flow velocity value set by the flow velocity setting device. An electromagnetic flowmeter characterized by having the following means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13383581U JPS5839519U (en) | 1981-09-09 | 1981-09-09 | electromagnetic flow meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13383581U JPS5839519U (en) | 1981-09-09 | 1981-09-09 | electromagnetic flow meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5839519U true JPS5839519U (en) | 1983-03-15 |
Family
ID=29927279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13383581U Pending JPS5839519U (en) | 1981-09-09 | 1981-09-09 | electromagnetic flow meter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5839519U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57116218A (en) * | 1981-01-10 | 1982-07-20 | Yokogawa Hokushin Electric Corp | Electromagnetic flowmeter |
-
1981
- 1981-09-09 JP JP13383581U patent/JPS5839519U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57116218A (en) * | 1981-01-10 | 1982-07-20 | Yokogawa Hokushin Electric Corp | Electromagnetic flowmeter |
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