JPH01156423U - - Google Patents
Info
- Publication number
- JPH01156423U JPH01156423U JP5217088U JP5217088U JPH01156423U JP H01156423 U JPH01156423 U JP H01156423U JP 5217088 U JP5217088 U JP 5217088U JP 5217088 U JP5217088 U JP 5217088U JP H01156423 U JPH01156423 U JP H01156423U
- Authority
- JP
- Japan
- Prior art keywords
- measurement
- magnetic field
- tubes
- measuring tube
- fluid
- 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
- 238000005259 measurement Methods 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 4
- 230000005284 excitation Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Measuring Volume Flow (AREA)
Description
第１図は本考案一実施例の電磁流量計の測定管
ユニツトを示す斜視図、第２図は第１図の測定管
ユニツトと差動増幅器との接続を片側の測定管の
みについて示した接続図、第３図は本考案変形例
の測定管ユニツトを示す斜視図、第４図は２つの
流体の流量差を測定する電磁流量計の従来例を示
す概略図である。
１……測定管ユニツト、２……抵抗体、３……
電極、５……演算増幅器、８……差動増幅器、２
１……基板。
Fig. 1 is a perspective view showing the measurement tube unit of an electromagnetic flowmeter according to an embodiment of the present invention, and Fig. 2 shows the connection between the measurement tube unit and the differential amplifier in Fig. 1 for only one side of the measurement tube. 3 is a perspective view showing a measuring tube unit according to a modified example of the present invention, and FIG. 4 is a schematic diagram showing a conventional example of an electromagnetic flowmeter for measuring the difference in flow rate between two fluids. 1...Measuring tube unit, 2...Resistor, 3...
electrode, 5... operational amplifier, 8... differential amplifier, 2
1... Board.
Claims (1)
内の流体の流れ方向に直角に磁界を与えるための
励磁コイルと、この励磁コイルにより測定管に与
える磁界が各測定管に同一になるように磁路を形
成するコアと、各測定管の管壁に設けられ流体の
流れ方向及び磁界の方向にそれぞれ直角になる方
向に取付けられた対になつた電極と、各電極対に
生じる起電力を増幅し２つの流量の差を出力する
差動増幅器とを具備して成る電磁流量計において
、２つの測定管を所定の関係で配置して一体の測
定管ユニツトに形成するとともに、この測定管ユ
ニツトに前記差動増幅器の構成要素である抵抗体
を設けたことを特徴とする電磁流量計。 Two measurement tubes through which the measurement fluid flows, an excitation coil for applying a magnetic field perpendicular to the flow direction of the fluid in the measurement tubes, and a magnet so that the magnetic field applied to the measurement tubes by the excitation coils is the same for each measurement tube. The core that forms the channel, the paired electrodes installed on the wall of each measuring tube in directions perpendicular to the fluid flow direction and the magnetic field direction, and the electromotive force generated in each electrode pair is amplified. In an electromagnetic flowmeter equipped with a differential amplifier that outputs the difference between two flow rates, two measuring tubes are arranged in a predetermined relationship to form an integrated measuring tube unit, and this measuring tube unit is An electromagnetic flowmeter characterized in that a resistor is provided as a component of the differential amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5217088U JPH01156423U (en) | 1988-04-20 | 1988-04-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5217088U JPH01156423U (en) | 1988-04-20 | 1988-04-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01156423U true JPH01156423U (en) | 1989-10-27 |
Family
ID=31278177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5217088U Pending JPH01156423U (en) | 1988-04-20 | 1988-04-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01156423U (en) |
-
1988
- 1988-04-20 JP JP5217088U patent/JPH01156423U/ja active Pending
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