KR19990082784A - 진동식레벨검출장치 - Google Patents
진동식레벨검출장치 Download PDFInfo
- Publication number
- KR19990082784A KR19990082784A KR1019990010932A KR19990010932A KR19990082784A KR 19990082784 A KR19990082784 A KR 19990082784A KR 1019990010932 A KR1019990010932 A KR 1019990010932A KR 19990010932 A KR19990010932 A KR 19990010932A KR 19990082784 A KR19990082784 A KR 19990082784A
- Authority
- KR
- South Korea
- Prior art keywords
- vibration
- detection
- detection pipe
- electromagnet
- piece
- Prior art date
Links
- 238000001514 detection method Methods 0.000 claims abstract description 90
- 230000001133 acceleration Effects 0.000 claims description 8
- 230000003252 repetitive effect Effects 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 10
- 230000003321 amplification Effects 0.000 description 5
- 238000003199 nucleic acid amplification method Methods 0.000 description 5
- 239000013078 crystal Substances 0.000 description 4
- 239000000696 magnetic material Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000010287 polarization Effects 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 230000002269 spontaneous effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- NKZSPGSOXYXWQA-UHFFFAOYSA-N dioxido(oxo)titanium;lead(2+) Chemical compound [Pb+2].[O-][Ti]([O-])=O NKZSPGSOXYXWQA-UHFFFAOYSA-N 0.000 description 2
- 206010014357 Electric shock Diseases 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- -1 granular Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- RLJMLMKIBZAXJO-UHFFFAOYSA-N lead nitrate Chemical compound [O-][N+](=O)O[Pb]O[N+]([O-])=O RLJMLMKIBZAXJO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/296—Acoustic waves
- G01F23/2966—Acoustic waves making use of acoustical resonance or standing waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/20—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measurement of weight, e.g. to determine the level of stored liquefied gas
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/296—Acoustic waves
- G01F23/2966—Acoustic waves making use of acoustical resonance or standing waves
- G01F23/2967—Acoustic waves making use of acoustical resonance or standing waves for discrete levels
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
Description
Claims (8)
- 진동식 레벨 검출장치에 있어서,기부(base)를 고정단(11)으로 이루며, 그 선단부를 폐쇄부(12)로서 폐쇄된 자유단으로 하는 검출 파이프부(1)와,상기 검출 파이프부의 내부에 설치되며, 그 한 단이 상기 폐쇄부에 고정 장착되고, 그 다른단에 자석(3, 10)이 설치되어 자유단으로 되는 가늘고 긴 진동편(2)과,상기 검출 파이프부의 내부에 상기 진동편의 축 방향과 마주하도록 배치되며, 상기 진동편을 여진시켜서 상기 검출 파이프부와 상기 폐쇄부와 상기 진동편을 되풀이하여 진동시키기 위한 전자석(4)과 상기 자석(3, 10)에 의한 진동 발생(vibration generating)수단과,상기 검출 파이프부에 설치되어 상기 되풀이 진동상태를 검출하는 검출수단(5)을 포함하는 진동식 레벨 검출장치.
- 제 1항에 있어서, 상기 진동편에 장착된 자석은 영구자석(3)인 진동식 레벨 검출장치.
- 제 1항에 있어서, 상기 진동편에 장착되는 자석은 전자석(10)인 진동식 레벨 검출장치.
- 제 1항에 있어서, 상기 검출 파이프부의 고정단측 내면에는 나사가 형성되어 있으며, 또한, 그 한 단에 상기 전자석이 장착되며, 그 다른 단의 외주면에 상기 검출 파이프부의 내면의 나사에 나사 결합되는 나사가 형성된 중공(hollow)의 내부로드(13)를 포함하는 진동식 레벨 검출장치.
- 제 4항에 있어서, 상기 검출수단은 상기 중공의 내부로드의 내벽에 장착되는 진동식 레벨 검출장치.
- 제 1항에 있서어, 상기 검출수단은 뒤틀림 검출소자인 진동식 레벨 검출장치.
- 제 1항에 있어서, 상기 검출수단은, 상기 검출 파이프부의 폐쇄부측에 설치되는 가속도 센서(21)를 포함하는 진동식 레벨 검출장치.
- 전동식 레벨 검출장치에 있어서,기부를 고정단(11)으로 이루며, 그 선단부를 폐쇄부(12)로서 폐쇄된 자유단으로 하는 검출 파이프부(1)와,상기 검출 파이프부의 내부에 설치되며, 그 한 단이 상기 폐쇄부에 고정 장착되며, 그 다른 단에 자성체(8, 9)가 설치되어 자유단으로 되는 가늘고 긴진동편(2)과,상기 검출 파이프부의 내부에 상기 진동편의 축방향과 마주하도록 배치되며, 상기 진동편을 여진시켜서 상기 검출 파이프부와 상기 폐쇄부와 상기 진동편을 되풀이하여 진동 시키기 위한 전자석(4)과 상기 자성체(8, 9)에 의한 진동 발생수단과,상기 검출 파이프부에 설치되며, 상기 되풀이 진동의 진동상태를 검출하는 검출수단(5)를 포함하는 진동식 레벨 검출장치.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP98-93169 | 1998-04-06 | ||
JP9316998 | 1998-04-06 | ||
JP98-226875 | 1998-08-11 | ||
JP22687598A JP4004148B2 (ja) | 1998-04-06 | 1998-08-11 | 振動式レベル検出装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990082784A true KR19990082784A (ko) | 1999-11-25 |
KR100311298B1 KR100311298B1 (ko) | 2001-11-02 |
Family
ID=26434592
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019990010932A KR100311298B1 (ko) | 1998-04-06 | 1999-03-30 | 진동식 레벨 검출장치 |
Country Status (7)
Country | Link |
---|---|
US (1) | US6105425A (ko) |
EP (1) | EP0949489B1 (ko) |
JP (1) | JP4004148B2 (ko) |
KR (1) | KR100311298B1 (ko) |
CA (1) | CA2262041C (ko) |
DE (1) | DE69900047T2 (ko) |
TW (1) | TW370613B (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100496006B1 (ko) * | 2002-07-02 | 2005-06-20 | (주)트윈 세이버 | 진동-전기신호 변환장치 |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SG93864A1 (en) * | 1999-12-10 | 2003-01-21 | Sumitomo Chemical Co | Method and apparatus for detecting agglomerates |
DE10059421C2 (de) * | 2000-11-30 | 2003-04-10 | Bosch Gmbh Robert | Vorrichtung zur Bestimmung zumindest eines Parameters eines strömenden Mediums |
JP4049678B2 (ja) * | 2001-05-08 | 2008-02-20 | 株式会社ノーケン | コイルインピーダンス検出方法、これを用いた物体検出方法および装置 |
DE10207278B4 (de) * | 2002-02-21 | 2007-03-01 | Robert Bosch Gmbh | Verfahren zur Füllstandsbestimmung und Füllstandsmessvorrichtung |
JP4044376B2 (ja) | 2002-06-24 | 2008-02-06 | 株式会社ノーケン | 振動式レベルセンサの温度測定方法,物体検出方法および物体検出装置 |
DE10318705A1 (de) * | 2003-04-24 | 2004-11-18 | Endress + Hauser Gmbh + Co. Kg | Vorrichtung zur Bestimmung und/oder Überwachung mindestens einer physikalischen oder chemischen Prozessgröße eines Mediums |
DE102004003460A1 (de) * | 2003-12-16 | 2005-07-28 | Endress + Hauser Gmbh + Co. Kg | Verfahren und Vorrichtung zur Herstellung einer Messvorrichtung zur Bestimmung und/oder Überwachung einer Prozessgröße und Messvorrichtung |
US7934414B2 (en) | 2003-12-18 | 2011-05-03 | Endress + Hauser Gmbh + Co. Kg | Method and apparatus for manufacturing a measuring device for determining and/or monitoring a process variable and measuring device |
US7162922B2 (en) | 2003-12-23 | 2007-01-16 | Freger David I | Non-invasive method for detecting and measuring filling material in vessels |
DE102004009495B4 (de) * | 2004-02-27 | 2009-09-24 | Vega Grieshaber Kg | Abgleichkörper für eine Füllstandsmessvorrichtung |
RU2402257C1 (ru) * | 2006-10-31 | 2010-10-27 | Арчелык Аноним Ширкети | Дозатор моющего средства с перемешивающим устройством, определяющим уровень заполнения дозатора по значению тока |
JP2008189381A (ja) * | 2007-01-31 | 2008-08-21 | Kazuo Yamada | 残量減少検出器付きサイホン容器及びバブラー容器及び工業用密閉容器 |
SE533887C2 (sv) | 2009-07-03 | 2011-02-22 | Itt Mfg Enterprises Inc | Nivådon samt behållare för hysande av vätska |
WO2012018323A1 (en) * | 2010-08-02 | 2012-02-09 | Micro Motion, Inc. | Method and apparatus for determining a temperature of a vibrating sensor component of a vibrating meter |
CN101915652A (zh) * | 2010-08-13 | 2010-12-15 | 中南大学 | 一种混凝土泵车臂架疲劳试验的电磁式驱动方法及装置 |
CN101957295B (zh) * | 2010-10-11 | 2012-07-11 | 中南大学 | 一种激振力自适应的泵车臂架疲劳试验激振方法及装置 |
FI20106369A0 (fi) * | 2010-12-23 | 2010-12-23 | Nexu Oy | Kaiutinrakenne |
WO2014124182A2 (en) | 2013-02-06 | 2014-08-14 | Ultimo Measurement Llc | Non-invasive method for measurement of physical properties of free flowing materials in vessels |
US9816848B2 (en) | 2014-01-23 | 2017-11-14 | Ultimo Measurement Llc | Method and apparatus for non-invasively measuring physical properties of materials in a conduit |
DE102015103485A1 (de) | 2015-03-10 | 2016-09-15 | Endress + Hauser Gmbh + Co. Kg | MEMS-Sensor, insb. Drucksensor |
DE102015104533A1 (de) | 2015-03-25 | 2016-09-29 | Endress + Hauser Gmbh + Co. Kg | Elektromagnetische Antriebs-/Empfangseinheit für ein Feldgerät der Automatisierungstechnik |
DE102016112308A1 (de) | 2016-07-05 | 2018-01-11 | Endress + Hauser Gmbh + Co. Kg | Elektromagnetische Antriebs-/Empfangseinheit für ein Feldgerät der Automatisierungstechnik |
CN113960609B (zh) * | 2021-10-20 | 2022-04-19 | 杭州艾科赛德电子科技有限公司 | 一种非接触式泥层界面仪 |
DE102022105918A1 (de) | 2022-03-14 | 2023-09-14 | Vega Grieshaber Kg | Vibronischer Grenzstandsensor mit Beschleunigungssensor |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3266311A (en) * | 1964-05-12 | 1966-08-16 | Delavan Mfg Company Inc | Cryogenic liquid level sensing apparatus |
FR2544496B1 (fr) * | 1983-04-15 | 1985-10-11 | Services Sa Ste Fse | Viscosimetre a tige vibrante |
DE3619678A1 (de) * | 1986-06-11 | 1987-12-17 | Eberhard Hermann | Fuellstandskontrollgeraet |
US4740726A (en) * | 1986-07-21 | 1988-04-26 | Nohken Inc. | Vibrator-type level sensor |
US4839590A (en) * | 1987-09-24 | 1989-06-13 | Magnetek Controls | Piezoelectric actuator for magnetostrictive linear displacement measuring device |
JP3008991B2 (ja) * | 1991-02-14 | 2000-02-14 | 株式会社ノーケン | 振動式レベル検出装置 |
JP3142151B2 (ja) * | 1991-07-05 | 2001-03-07 | 株式会社ノーケン | 振動式レベル検出装置 |
JPH06102079A (ja) * | 1992-09-21 | 1994-04-12 | Koyo Electron Ind Co Ltd | 粉粒体の残量検出装置 |
GB9225983D0 (en) * | 1992-12-12 | 1993-02-10 | Hydramotion Ltd | Transducer for the measurement of attributes of flowable media |
-
1998
- 1998-08-11 JP JP22687598A patent/JP4004148B2/ja not_active Expired - Lifetime
-
1999
- 1999-02-03 DE DE69900047T patent/DE69900047T2/de not_active Expired - Lifetime
- 1999-02-03 EP EP99102162A patent/EP0949489B1/en not_active Expired - Lifetime
- 1999-02-05 TW TW088101738A patent/TW370613B/zh not_active IP Right Cessation
- 1999-02-15 CA CA002262041A patent/CA2262041C/en not_active Expired - Lifetime
- 1999-02-16 US US09/250,171 patent/US6105425A/en not_active Expired - Lifetime
- 1999-03-30 KR KR1019990010932A patent/KR100311298B1/ko not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100496006B1 (ko) * | 2002-07-02 | 2005-06-20 | (주)트윈 세이버 | 진동-전기신호 변환장치 |
Also Published As
Publication number | Publication date |
---|---|
DE69900047T2 (de) | 2001-06-21 |
EP0949489B1 (en) | 2001-01-17 |
CA2262041A1 (en) | 1999-10-06 |
EP0949489A1 (en) | 1999-10-13 |
CA2262041C (en) | 2002-10-22 |
DE69900047D1 (de) | 2001-02-22 |
JP4004148B2 (ja) | 2007-11-07 |
US6105425A (en) | 2000-08-22 |
KR100311298B1 (ko) | 2001-11-02 |
TW370613B (en) | 1999-09-21 |
JPH11351944A (ja) | 1999-12-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100311298B1 (ko) | 진동식 레벨 검출장치 | |
US7598820B2 (en) | Magnetic drive for high and low temperature mechanical oscillators used in sensor applications | |
US6668627B2 (en) | Sensor apparatus with magnetically deflected cantilever | |
US20060113932A1 (en) | Vibrator unit and portable telephone employing it | |
JP2004515992A (ja) | 集積されたマイクロメカニカル音叉共振器を備えるタイムベース | |
JP2013187928A (ja) | 振動発電装置 | |
KR100528776B1 (ko) | 진동식 레벨 센서의 온도 측정 방법, 물체 검출 방법 및물체 검출 장치 | |
JP4049678B2 (ja) | コイルインピーダンス検出方法、これを用いた物体検出方法および装置 | |
KR100507420B1 (ko) | 트랜스듀서용 구동 유닛 | |
WO2003019203A1 (en) | Sensor for non-contacting electrostatic detector | |
US9140619B2 (en) | Piezoelectric vacuum gauge and measuring method thereof | |
JP2004251823A (ja) | 振動式レベルセンサ | |
US4739664A (en) | Absolute fluid pressure sensor | |
JP2003150250A (ja) | 振動抑制装置 | |
US3742387A (en) | Multi frequency mass spring oscillators | |
JP2006064684A (ja) | 振動式粘度計 | |
JPH0643929B2 (ja) | 振動式力検出器 | |
KR20190098351A (ko) | 영구자석과 압전세라믹을 이용한 진동 발전기 및 이를 이용한 발전 방법 | |
JPH0232218A (ja) | 粉体レベルセンサ | |
ES2123452A1 (es) | Aparato para la determinacion de masa y densidad. | |
JPH05160639A (ja) | 振動回路 | |
KR20020050338A (ko) | 다기능 액츄에이터용 공진주파수 검출시스템 | |
JPH11313396A (ja) | 圧電バイブレータ | |
JPS61239128A (ja) | トランスジユ−サ |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20130617 Year of fee payment: 13 |
|
FPAY | Annual fee payment |
Payment date: 20140627 Year of fee payment: 14 |
|
FPAY | Annual fee payment |
Payment date: 20150619 Year of fee payment: 15 |
|
FPAY | Annual fee payment |
Payment date: 20160610 Year of fee payment: 16 |
|
FPAY | Annual fee payment |
Payment date: 20170620 Year of fee payment: 17 |
|
FPAY | Annual fee payment |
Payment date: 20180614 Year of fee payment: 18 |
|
EXPY | Expiration of term |