JPH0674995B2 - 充填状態測定装置 - Google Patents
充填状態測定装置Info
- Publication number
- JPH0674995B2 JPH0674995B2 JP1271428A JP27142889A JPH0674995B2 JP H0674995 B2 JPH0674995 B2 JP H0674995B2 JP 1271428 A JP1271428 A JP 1271428A JP 27142889 A JP27142889 A JP 27142889A JP H0674995 B2 JPH0674995 B2 JP H0674995B2
- Authority
- JP
- Japan
- Prior art keywords
- pulse
- filling
- sensor
- time interval
- filling material
- 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.)
- Expired - Lifetime
Links
- 239000000463 material Substances 0.000 claims description 35
- 230000002457 bidirectional effect Effects 0.000 claims description 12
- 238000005259 measurement Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 9
- 239000012777 electrically insulating material Substances 0.000 claims description 2
- 230000002452 interceptive effect Effects 0.000 claims 1
- 210000003128 head Anatomy 0.000 description 12
- 238000009434 installation Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 210000000695 crystalline len Anatomy 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000005236 sound signal 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
- G01F23/24—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 variations of resistance of resistors due to contact with conductor fluid
- G01F23/241—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 variations of resistance of resistors due to contact with conductor fluid for discrete levels
- G01F23/243—Schematic arrangements of probes combined with measuring circuits
- G01F23/244—Schematic arrangements of probes combined with measuring circuits comprising oscillating circuits
-
- 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
- G01F23/24—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 variations of resistance of resistors due to contact with conductor fluid
- G01F23/241—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 variations of resistance of resistors due to contact with conductor fluid for discrete levels
- G01F23/242—Mounting arrangements for electrodes
-
- 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
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
- G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Fluid Mechanics (AREA)
- Thermal Sciences (AREA)
- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- Electromagnetism (AREA)
- Automation & Control Theory (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Control Of Non-Electrical Variables (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3835406.3 | 1988-10-18 | ||
DE19883835406 DE3835406A1 (de) | 1988-10-18 | 1988-10-18 | Vorrichtung zum messen eines fuellstandes |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH02159522A JPH02159522A (ja) | 1990-06-19 |
JPH0674995B2 true JPH0674995B2 (ja) | 1994-09-21 |
Family
ID=6365349
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1271428A Expired - Lifetime JPH0674995B2 (ja) | 1988-10-18 | 1989-10-18 | 充填状態測定装置 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPH0674995B2 (enrdf_load_stackoverflow) |
DE (1) | DE3835406A1 (enrdf_load_stackoverflow) |
DK (1) | DK167714B1 (enrdf_load_stackoverflow) |
GB (1) | GB2225113B (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007522472A (ja) * | 2004-02-13 | 2007-08-09 | ビーイー・インテレクチュアル・プロパティー・インコーポレイテッド | 航空機用飲料抽出のための電気光学的液位検出システム |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4405238C2 (de) * | 1994-02-18 | 1998-07-09 | Endress Hauser Gmbh Co | Anordnung zur Messung des Füllstands in einem Behälter |
DE4416038A1 (de) * | 1994-05-06 | 1995-11-09 | Sigmund Birle | Regenwassernutzungsanlage |
US5672975A (en) | 1995-06-07 | 1997-09-30 | Rosemount Inc. | Two-wire level transmitter |
IT1310723B1 (it) | 1999-09-16 | 2002-02-22 | Elbi Int Spa | Dispositivo per rilevare le condizioni di funzionamento di almenouna girante di spruzzatura di una macchina lavastoviglie |
DE10014887B4 (de) * | 2000-03-24 | 2011-08-11 | Volkswagen AG, 38440 | Vorrichtung zur Bestimmung der Füllstandshöhe eines Füllmediums in einem Tank, insbesondere einem Tank eines Kraftfahrzeugs |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE790291A (fr) * | 1971-10-23 | 1973-02-15 | Licentia Gmbh | Dispositif de determination du niveau d'un liquide electriquement conducteur, notamment pour des machines a laver le linge et la vaisselle |
DE2743409C3 (de) * | 1977-09-27 | 1980-09-04 | Endress U. Hauser Gmbh U. Co, 7867 Maulburg | Ve rstärkeranordnung für einen nach dem Echoprinzip arbeitenden Ultraschall-Füllstandgrenzschalter |
DE3339984A1 (de) * | 1983-11-04 | 1985-05-23 | Endress U. Hauser Gmbh U. Co, 7867 Maulburg | Schall- bzw. ultraschall-entfernungsmessgeraet |
GB2198535B (en) * | 1986-11-01 | 1991-06-05 | Parke Davis & Co Ltd | Apparatus and method for determining the amount of substance in a vessel |
-
1988
- 1988-10-18 DE DE19883835406 patent/DE3835406A1/de active Granted
-
1989
- 1989-10-17 DK DK514289A patent/DK167714B1/da not_active IP Right Cessation
- 1989-10-17 GB GB8923413A patent/GB2225113B/en not_active Expired - Lifetime
- 1989-10-18 JP JP1271428A patent/JPH0674995B2/ja not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007522472A (ja) * | 2004-02-13 | 2007-08-09 | ビーイー・インテレクチュアル・プロパティー・インコーポレイテッド | 航空機用飲料抽出のための電気光学的液位検出システム |
Also Published As
Publication number | Publication date |
---|---|
GB8923413D0 (en) | 1989-12-06 |
DK167714B1 (da) | 1993-12-06 |
DK514289D0 (da) | 1989-10-17 |
GB2225113B (en) | 1992-10-07 |
DE3835406A1 (de) | 1990-04-19 |
DE3835406C2 (enrdf_load_stackoverflow) | 1991-07-04 |
GB2225113A (en) | 1990-05-23 |
DK514289A (da) | 1990-04-19 |
JPH02159522A (ja) | 1990-06-19 |
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