JP4728388B2 - 超音波トランスジューサにより容器内の液体レベルを測定するための装置 - Google Patents
超音波トランスジューサにより容器内の液体レベルを測定するための装置 Download PDFInfo
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- JP4728388B2 JP4728388B2 JP2008501152A JP2008501152A JP4728388B2 JP 4728388 B2 JP4728388 B2 JP 4728388B2 JP 2008501152 A JP2008501152 A JP 2008501152A JP 2008501152 A JP2008501152 A JP 2008501152A JP 4728388 B2 JP4728388 B2 JP 4728388B2
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- ultrasonic transducer
- housing
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- 239000007788 liquid Substances 0.000 title claims description 27
- 238000002604 ultrasonography Methods 0.000 claims description 11
- 238000002592 echocardiography Methods 0.000 claims description 4
- 238000011156 evaluation Methods 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000003921 oil Substances 0.000 description 10
- 230000005855 radiation Effects 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000010363 phase shift Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 1
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- 239000010705 motor oil Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
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Images
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
- 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
- G01F23/2962—Measuring transit time of reflected 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
- G01F23/22—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
-
- 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
- G01F23/2968—Transducers specially adapted for acoustic level indicators
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Transducers For Ultrasonic Waves (AREA)
Description
Claims (12)
- 超音波トランスジューサ(2)により超音波エコーの原理に従って容器内の液体レベルを測定するための装置であって、前記超音波トランスジューサは、底部の領域に配置された反射面(6)から所定の距離のところに配設され、液体面と前記反射面(6)との両方に超音波信号を放射する、装置において、
前記容器の下側に形成された開口部に、ゴムガスケット(22)により密に装着されるフランジ(20)を有し、このフランジの上面(23)には、前記超音波トランスジューサ(2)が配設されていると共に、フランジの外周面に開口し、液体が通るチャネル(21)が形成され、このチャネル上に前記超音波トランスジューサ(2)が位置され、前記反射面(6)は、チャネルの下面に設けられていることを特徴とする装置。 - 前記超音波トランスジューサ(2)は、また、前記液体面と前記反射面(6)とから反射される超音波信号を受信するレシーバーとしても機能することを特徴とする請求項1の装置。
- 前記超音波トランスジューサ(2)と、レシーバーと、評価ユニットとは、所定の部品と一体的であることを特徴とする請求項1又は2の装置。
- ASICを有し、前記超音波トランスジューサ(2)を支持したハウジング(10)を備えていることを特徴とする請求項1ないし3のいずれか1の装置。
- 前記超音波トランスジューサ(2)を収容するための上側の開口部と下側の開口部とを有したハウジング(10)を備えていることを特徴とする請求項1ないし3のいずれか1の装置。
- 前記下側の開口部(13)と上側の開口部(11)とは、異なるサイズで設計されていることを特徴とする請求項5の装置。
- 前記上側の開口部(11)と下側の開口部(13)とは、放射される超音波信号に応じたディメンションを有していることを特徴とする請求項5又は6の装置。
- 前記ハウジングは、温度検出器(14)を備えていることを特徴とする請求項4ないし7のいずれか1の装置。
- 前記チャネル(21)は、前記ハウジング(10)用の装着面(23)の下側に配設されていることを特徴とする請求項4ないし8のいずれか1の装置。
- 前記超音波信号に影響を与えるための配列が、前記チャネル(21)に与えられていることを特徴とする請求項1ないし9のいずれか1の装置。
- 前記超音波信号に影響を与えるための配列は、エッジ(7)として設計されていることを特徴とする請求項10の装置。
- 前記超音波信号に影響を与えるための配列は、積層(8)として設計されていることを特徴とする請求項10の装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005012566A DE102005012566A1 (de) | 2005-03-18 | 2005-03-18 | Vorrichtung zum Messen des Füllstandes einer Flüssigkeit in einem Behälter mit einem Ultraschallwandler |
DE102005012566.2 | 2005-03-18 | ||
PCT/DE2006/000446 WO2006097076A1 (de) | 2005-03-18 | 2006-03-14 | Vorrichtung zum messen des füllstandes einer flüssigkeit in einem behälter mit einem ultraschallwandler |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008533474A JP2008533474A (ja) | 2008-08-21 |
JP4728388B2 true JP4728388B2 (ja) | 2011-07-20 |
Family
ID=36477561
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008501152A Active JP4728388B2 (ja) | 2005-03-18 | 2006-03-14 | 超音波トランスジューサにより容器内の液体レベルを測定するための装置 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1859236B1 (ja) |
JP (1) | JP4728388B2 (ja) |
KR (1) | KR101304373B1 (ja) |
DE (1) | DE102005012566A1 (ja) |
WO (1) | WO2006097076A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101724875B1 (ko) | 2015-07-20 | 2017-04-18 | 현대자동차주식회사 | 엔진오일레벨센서 미적용 엔진오일레벨 경고방법 및 이를 위한 엔진오일레벨 경고시스템 |
CN110160603B (zh) * | 2018-02-11 | 2024-01-26 | 宁波方太厨具有限公司 | 一种吸油烟机的油杯液位测量装置 |
DE102018006130B3 (de) * | 2018-08-03 | 2019-08-08 | Pepperl + Fuchs Gmbh | 1D-Ultraschallwandler-Einheit zur Gefahrenerkennung für ein Fahrzeug |
DE102020200771B4 (de) | 2020-01-23 | 2023-03-30 | Vitesco Technologies Germany Gmbh | Fluidsensorvorrichtung zum Erfassen des Füllstands und/oder der Qualität eines Fluids und Verfahren zum Herstellen derselben |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4984449A (en) * | 1989-07-03 | 1991-01-15 | Caldwell System Corp. | Ultrasonic liquid level monitoring system |
US5379658A (en) * | 1992-11-16 | 1995-01-10 | Simmonds Precision Products, Inc. | Intrusive acoustic sensor mounting arrangement |
JP2000241232A (ja) * | 1999-02-19 | 2000-09-08 | Tokimec Inc | 界面計測方法及びマイクロ波界面計 |
JP2004037464A (ja) * | 2002-07-12 | 2004-02-05 | Ti Group Automotive Systems Llc | 液体レベルセンサ |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4656384A (en) * | 1984-10-25 | 1987-04-07 | Siemens Aktiengesellschaft | Ultrasonic detection sensor in hybrid structure with appertaining electronic circuit |
US5568449A (en) | 1994-09-02 | 1996-10-22 | U.S. Test, Inc. | Methods and apparatus for use in ultrasonic ranging |
DE10130540A1 (de) * | 2001-06-20 | 2003-01-09 | Turck Werner Kg | Füllstandsmessgerät zum Ermitteln des Flüssigkeitspegels in einem Behälter |
FR2834061B1 (fr) | 2001-12-21 | 2004-07-09 | Marwal Systems | Jauge de niveau |
DE10309861B4 (de) * | 2003-03-06 | 2006-05-04 | Robert Seuffer Gmbh & Co. Kg | Verfahren und Vorrichtung zur Bestimmung wenigstens einer chemischen oder physikalischen Eigenschaft einer Flüssigkeit bei Füllstandsmessung in einem Behälter |
DE10350084B4 (de) * | 2003-10-27 | 2016-05-19 | Continental Automotive Gmbh | Sensoreinrichtung zum Erfassen eines Füllstands und Verfahren zum Betreiben der Sensoreinrichtung |
-
2005
- 2005-03-18 DE DE102005012566A patent/DE102005012566A1/de not_active Withdrawn
-
2006
- 2006-03-14 WO PCT/DE2006/000446 patent/WO2006097076A1/de not_active Application Discontinuation
- 2006-03-14 EP EP06722603.5A patent/EP1859236B1/de active Active
- 2006-03-14 JP JP2008501152A patent/JP4728388B2/ja active Active
- 2006-03-14 KR KR1020077023851A patent/KR101304373B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4984449A (en) * | 1989-07-03 | 1991-01-15 | Caldwell System Corp. | Ultrasonic liquid level monitoring system |
US5379658A (en) * | 1992-11-16 | 1995-01-10 | Simmonds Precision Products, Inc. | Intrusive acoustic sensor mounting arrangement |
JP2000241232A (ja) * | 1999-02-19 | 2000-09-08 | Tokimec Inc | 界面計測方法及びマイクロ波界面計 |
JP2004037464A (ja) * | 2002-07-12 | 2004-02-05 | Ti Group Automotive Systems Llc | 液体レベルセンサ |
Also Published As
Publication number | Publication date |
---|---|
EP1859236B1 (de) | 2019-02-20 |
DE102005012566A1 (de) | 2006-09-21 |
KR20080007326A (ko) | 2008-01-18 |
EP1859236A1 (de) | 2007-11-28 |
WO2006097076A1 (de) | 2006-09-21 |
KR101304373B1 (ko) | 2013-09-11 |
JP2008533474A (ja) | 2008-08-21 |
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