JPH0217622U - - Google Patents
Info
- Publication number
- JPH0217622U JPH0217622U JP9565988U JP9565988U JPH0217622U JP H0217622 U JPH0217622 U JP H0217622U JP 9565988 U JP9565988 U JP 9565988U JP 9565988 U JP9565988 U JP 9565988U JP H0217622 U JPH0217622 U JP H0217622U
- Authority
- JP
- Japan
- Prior art keywords
- electrodes
- fluid
- flow
- magnetic field
- pair
- 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)
Description
第１図は本考案に係る電磁流量計の一実施例を
示す回路図、第２図は第１図における各部の信号
状態を示す波形図、第３図は本考案の他の実施例
を示す回路図、第４図は第３図における各部の信
号状態を示す波形図である。
１…測定用管体、２ａ，２ｂ…励磁コイル、３
ａ，３ｂ…電極、４…励磁回路、８，９…電圧印
加回路、１０…微小抵抗、１１…信号処理部、１
２…ロツク発生器、１５…直流電源。
Fig. 1 is a circuit diagram showing one embodiment of the electromagnetic flowmeter according to the present invention, Fig. 2 is a waveform diagram showing signal states of each part in Fig. 1, and Fig. 3 shows another embodiment of the present invention. The circuit diagram and FIG. 4 are waveform diagrams showing the signal states of each part in FIG. 3. 1... Measurement tube, 2a, 2b... Excitation coil, 3
a, 3b... Electrode, 4... Excitation circuit, 8, 9... Voltage application circuit, 10... Microresistance, 11... Signal processing section, 1
2...Lock generator, 15...DC power supply.
Claims (1)
るようにした測定用管体内に、前記磁界及び流れ
の双方と直交する方向へ対向して一対の電極を配
置し、流体の移動に伴い電磁誘導により前記電極
間に誘起される電圧を、通過流体の流量として出
力する電磁流量計において、 前記一対の電極に常時所定の電圧を印加し、そ
の状態で前記電極間を流れる電流を検出し、その
検出値を規定値と比較することにより、測定用管
体内の流体抜けを検知する構能を付加したこと、 を特徴とする電磁流量計。[Claims for Utility Model Registration] A pair of electrodes are disposed facing each other in a direction perpendicular to both the magnetic field and the flow within a measuring tube that applies a magnetic field to the passing fluid at right angles to the flow thereof. , an electromagnetic flowmeter that outputs the voltage induced between the electrodes by electromagnetic induction as the fluid moves, as the flow rate of the passing fluid, in which a predetermined voltage is constantly applied to the pair of electrodes, and in that state An electromagnetic flowmeter characterized by having an additional feature of detecting fluid leakage in a measuring tube by detecting a current flowing through the tube and comparing the detected value with a specified value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9565988U JPH0217622U (en) | 1988-07-21 | 1988-07-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9565988U JPH0217622U (en) | 1988-07-21 | 1988-07-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0217622U true JPH0217622U (en) | 1990-02-05 |
Family
ID=31320354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9565988U Pending JPH0217622U (en) | 1988-07-21 | 1988-07-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0217622U (en) |
-
1988
- 1988-07-21 JP JP9565988U patent/JPH0217622U/ja active Pending
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