DK167714B1 - Indretning til maaling af et medieniveau - Google Patents
Indretning til maaling af et medieniveau Download PDFInfo
- Publication number
- DK167714B1 DK167714B1 DK514289A DK514289A DK167714B1 DK 167714 B1 DK167714 B1 DK 167714B1 DK 514289 A DK514289 A DK 514289A DK 514289 A DK514289 A DK 514289A DK 167714 B1 DK167714 B1 DK 167714B1
- Authority
- DK
- Denmark
- Prior art keywords
- distance
- time
- sensor
- reference reflector
- media
- Prior art date
Links
- 230000002457 bidirectional effect Effects 0.000 claims description 11
- 230000004913 activation Effects 0.000 claims description 10
- 230000010355 oscillation Effects 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000012777 electrically insulating material Substances 0.000 claims description 2
- 238000005259 measurement Methods 0.000 description 5
- 230000001960 triggered effect Effects 0.000 description 4
- 230000003213 activating effect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 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)
- Fluid Mechanics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Thermal Sciences (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- Automation & Control Theory (AREA)
- Electromagnetism (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Control Of Non-Electrical Variables (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3835406 | 1988-10-18 | ||
| DE19883835406 DE3835406A1 (de) | 1988-10-18 | 1988-10-18 | Vorrichtung zum messen eines fuellstandes |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DK514289D0 DK514289D0 (da) | 1989-10-17 |
| DK514289A DK514289A (da) | 1990-04-19 |
| DK167714B1 true DK167714B1 (da) | 1993-12-06 |
Family
ID=6365349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK514289A DK167714B1 (da) | 1988-10-18 | 1989-10-17 | Indretning til maaling af et medieniveau |
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) |
Families Citing this family (6)
| 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 |
| US7017408B2 (en) * | 2004-02-13 | 2006-03-28 | Be Intellectual Property, Inc. | Electro-optic liquid level sensing system for aircraft beverage brewing |
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 GB GB8923413A patent/GB2225113B/en not_active Expired - Lifetime
- 1989-10-17 DK DK514289A patent/DK167714B1/da not_active IP Right Cessation
- 1989-10-18 JP JP1271428A patent/JPH0674995B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB8923413D0 (en) | 1989-12-06 |
| GB2225113A (en) | 1990-05-23 |
| DE3835406A1 (de) | 1990-04-19 |
| DK514289A (da) | 1990-04-19 |
| JPH02159522A (ja) | 1990-06-19 |
| DK514289D0 (da) | 1989-10-17 |
| DE3835406C2 (enrdf_load_stackoverflow) | 1991-07-04 |
| GB2225113B (en) | 1992-10-07 |
| JPH0674995B2 (ja) | 1994-09-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5017909A (en) | Capacitive liquid level sensor | |
| US5182545A (en) | Fluid level sensor having capacitive sensor | |
| RU2166737C2 (ru) | Передатчик уровня | |
| US5043707A (en) | Level indicator for liquid reservoirs | |
| US4623331A (en) | Apparatus for the registration of drops in an infusion device | |
| RU2286603C2 (ru) | Система емкостного датчика (варианты) | |
| US5335545A (en) | Ultrasonic detector with frequency matching | |
| EP1679495B1 (en) | Fluid level detector | |
| CA2234627C (en) | Method and assembly for overfill detection in liquid level sensing in a vessel by the pulse transit time technique | |
| DK167714B1 (da) | Indretning til maaling af et medieniveau | |
| US20020017131A1 (en) | Device for measuring the filling level of a filling material in a container | |
| CA2187844A1 (en) | Device for Monitoring a Predetermined Level of a Liquid in a Container | |
| CA2183043A1 (en) | Carrier Frequency Sensing of Fluids in Vessels | |
| CA2667973C (en) | Discrete fluid level sensor and mount | |
| US2775748A (en) | Apparatus for measuring liquid levels | |
| JPS5826558B2 (ja) | 走行時間測定の原理によるレ−ザ距離測定装置 | |
| GB1291181A (en) | Sound velocimeters | |
| EP0393960A1 (en) | Ice detecting apparatus and methods | |
| US3818470A (en) | Fluid level detector | |
| US5142504A (en) | Ultra-sound detector | |
| EP0596966A4 (en) | Time gate ultrasonic sensor and method. | |
| US6832516B1 (en) | Integral ultrasonic liquid level continuous transmitter with independent high-level discrete alarm point level | |
| CN220018665U (zh) | 一种高适用性液位检测装置 | |
| GB2226879A (en) | Level sensor for intravenous drip bottle | |
| GB2107870A (en) | Apparatus for measuring distances within elongate enclosures |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B1 | Patent granted (law 1993) | ||
| PBP | Patent lapsed |