JP2017044694A - 電磁流量計 - Google Patents
電磁流量計 Download PDFInfo
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- JP2017044694A JP2017044694A JP2016162244A JP2016162244A JP2017044694A JP 2017044694 A JP2017044694 A JP 2017044694A JP 2016162244 A JP2016162244 A JP 2016162244A JP 2016162244 A JP2016162244 A JP 2016162244A JP 2017044694 A JP2017044694 A JP 2017044694A
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- flow meter
- electromagnetic flow
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- 230000003321 amplification Effects 0.000 claims description 6
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 abstract description 8
- 230000035939 shock Effects 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011553 magnetic fluid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/56—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects
- G01F1/58—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
- G01F1/588—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters combined constructions of electrodes, coils or magnetic circuits, accessories therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/56—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects
- G01F1/58—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/56—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects
- G01F1/58—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
- G01F1/60—Circuits therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
Abstract
【課題】落雷や溶接などのような外部の衝撃やノイズに対して内部回路を保護することができるようにした電磁流量計を提供すること。
【解決手段】電源が印加されて磁界を形成するコイルと、前記磁界を通過する流量に応じて生成される起電力を測定する電極と、前記電極で測定された起電力を増幅する増幅回路部と、前記電極と前記増幅回路部の間に設置されてONまたはOFFになるリレー部とを含む電磁流量計。
【選択図】図2
Description
E=Bdυ×10−8
ここで、E:起電力[V]、B:磁束密度[G]、d:管の内径[cm]、υ:流速[cm/ s]
11:配管
12:電極
13:コイル
101:第1リレー部
103:第2リレー部
111,113,115:増幅部
Claims (8)
- 電源が印加されて磁界を形成するコイルと、
前記磁界を通過する流量に応じて生成される起電力を測定する電極と、
前記電極で測定された起電力を増幅する増幅回路部と、
前記電極と前記増幅回路部の間に設置されてONまたはOFFになるリレー部とを含む、電磁流量計。 - 電源が印加されて磁界を形成するコイルと、
前記磁界を通過する流量に応じて生成される起電力を測定する電極と、
前記コイルを駆動させるコイル駆動部と、
前記コイルと前記コイル駆動部との間に設置されてONまたはOFFになるリレー部とを含む、電磁流量計。 - 前記リレー部は、制御信号に応じてONまたはOFFされるが、
前記制御信号は、無線通信または接点入力スイッチを介して生成される、請求項1または請求項2に記載の電磁流量計。 - 前記リレー部は、前記電磁流量計の電源がON状態である場合、ONになり、前記電磁流量計の電源がOFFの状態である場合、OFFになる、請求項1または請求項2に記載の電磁流量計。
- 船舶が運航中または修理中である時は、前記制御信号はOFF信号が生成され、船舶がバラスティング動作中の時は、前記制御信号は、ON信号が生成される、請求項3に記載の電磁流量計。
- 船舶が運航中または修理中である時は、前記電磁流量計の電源がOFFされ、船舶がバラスティング動作中の時は、前記電磁流量計の電源がONになるように制御する制御部を含む、請求項4に記載の電磁流量計。
- 前記リレー部がOFFされた状態で、ゼロ点補正を実行するように構成される、請求項1に記載の電磁流量計。
- 電源が印加されて磁界を形成するコイルと、
前記磁界を通過する流量に応じて生成される起電力を測定する電極と、
前記電極で測定された起電力を増幅する増幅回路部と、
船舶が運航中または修理中である時、前記電磁流量計の電源がOFFになり、船舶がバラスティング 動作中である時、前記電磁流量計の電源がONになるように制御するコントローラを含む、電磁流量計。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020150119970A KR101741787B1 (ko) | 2015-08-26 | 2015-08-26 | 선박에 설치된 전자 유량계 |
KR10-2015-0119970 | 2015-08-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017044694A true JP2017044694A (ja) | 2017-03-02 |
JP6218342B2 JP6218342B2 (ja) | 2017-10-25 |
Family
ID=56740949
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016162244A Active JP6218342B2 (ja) | 2015-08-26 | 2016-08-22 | 電磁流量計 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20170102252A1 (ja) |
EP (1) | EP3136060A1 (ja) |
JP (1) | JP6218342B2 (ja) |
KR (1) | KR101741787B1 (ja) |
CN (1) | CN106568485A (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102547540B1 (ko) * | 2018-02-14 | 2023-06-26 | 삼성전자주식회사 | 윈도우 글래스 및 이를 구비하는 전자 장치 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5316462U (ja) * | 1976-07-23 | 1978-02-10 | ||
JPS56142320U (ja) * | 1980-03-25 | 1981-10-27 | ||
JPS5742812A (en) * | 1980-08-28 | 1982-03-10 | Yokogawa Hokushin Electric Corp | Electromagnetic flowmeter with water-unfilling state detecting function |
JP2007093267A (ja) * | 2005-09-27 | 2007-04-12 | Yamatake Corp | 電磁流量計 |
JP2013523426A (ja) * | 2010-03-30 | 2013-06-17 | 青▲島▼海▲徳▼威科技有限公司 | 船舶バラスト水処理方法及びシステム |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4370892A (en) * | 1980-07-10 | 1983-02-01 | Fischer & Porter Co. | Electromagnetic flowmeter having noise suppression network |
US5237865A (en) * | 1987-08-17 | 1993-08-24 | Kabushiki Kaisha Toshiba | Flow rate measuring apparatus |
JP3204066B2 (ja) * | 1996-01-30 | 2001-09-04 | 横河電機株式会社 | 容量式電磁流量計 |
US6431011B1 (en) * | 2000-11-02 | 2002-08-13 | Murray F. Feller | Magnetic flow sensor and method |
CN100458374C (zh) * | 2006-10-20 | 2009-02-04 | 上海威尔泰工业自动化股份有限公司 | 一种电磁流量计及其提高在线检测精确度的方法 |
JP6021293B2 (ja) * | 2010-04-20 | 2016-11-09 | 三菱重工業株式会社 | バラスト水処理システム |
-
2015
- 2015-08-26 KR KR1020150119970A patent/KR101741787B1/ko active IP Right Grant
-
2016
- 2016-08-19 US US15/241,329 patent/US20170102252A1/en not_active Abandoned
- 2016-08-21 EP EP16185060.7A patent/EP3136060A1/en not_active Withdrawn
- 2016-08-22 JP JP2016162244A patent/JP6218342B2/ja active Active
- 2016-08-26 CN CN201610739337.3A patent/CN106568485A/zh active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5316462U (ja) * | 1976-07-23 | 1978-02-10 | ||
JPS56142320U (ja) * | 1980-03-25 | 1981-10-27 | ||
JPS6111611Y2 (ja) * | 1980-03-25 | 1986-04-12 | ||
JPS5742812A (en) * | 1980-08-28 | 1982-03-10 | Yokogawa Hokushin Electric Corp | Electromagnetic flowmeter with water-unfilling state detecting function |
JP2007093267A (ja) * | 2005-09-27 | 2007-04-12 | Yamatake Corp | 電磁流量計 |
JP4851149B2 (ja) * | 2005-09-27 | 2012-01-11 | 株式会社山武 | 電磁流量計 |
JP2013523426A (ja) * | 2010-03-30 | 2013-06-17 | 青▲島▼海▲徳▼威科技有限公司 | 船舶バラスト水処理方法及びシステム |
JP5746750B2 (ja) * | 2010-03-30 | 2015-07-08 | 青▲島▼海▲徳▼威科技有限公司 | 船舶バラスト水処理方法及びシステム |
Also Published As
Publication number | Publication date |
---|---|
JP6218342B2 (ja) | 2017-10-25 |
KR20170024685A (ko) | 2017-03-08 |
CN106568485A (zh) | 2017-04-19 |
KR101741787B1 (ko) | 2017-05-30 |
US20170102252A1 (en) | 2017-04-13 |
EP3136060A1 (en) | 2017-03-01 |
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