JPS6257932B2 - - Google Patents
Info
- Publication number
- JPS6257932B2 JPS6257932B2 JP16743879A JP16743879A JPS6257932B2 JP S6257932 B2 JPS6257932 B2 JP S6257932B2 JP 16743879 A JP16743879 A JP 16743879A JP 16743879 A JP16743879 A JP 16743879A JP S6257932 B2 JPS6257932 B2 JP S6257932B2
- Authority
- JP
- Japan
- Prior art keywords
- vibrating
- vibrating body
- vibration
- membrane
- bodies
- 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
Links
- 239000012528 membrane Substances 0.000 claims description 95
- 230000005484 gravity Effects 0.000 claims description 36
- 230000007246 mechanism Effects 0.000 claims description 33
- 230000005284 excitation Effects 0.000 claims description 32
- 239000007787 solid Substances 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 14
- 239000007779 soft material Substances 0.000 claims description 8
- 239000011888 foil Substances 0.000 claims description 6
- 230000000284 resting effect Effects 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000000696 magnetic material Substances 0.000 claims description 3
- 238000012806 monitoring device Methods 0.000 claims description 3
- 239000013013 elastic material Substances 0.000 claims description 2
- 238000005192 partition Methods 0.000 claims description 2
- 230000004044 response Effects 0.000 claims description 2
- 239000008186 active pharmaceutical agent Substances 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 230000009471 action Effects 0.000 description 5
- 238000013016 damping Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000005489 elastic deformation Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 230000000737 periodic effect Effects 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012765 fibrous filler Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 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
- G01F23/28—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)
- 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 Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19782855643 DE2855643B2 (de) | 1978-12-22 | 1978-12-22 | Vorrichtung zur Feststellung und/oder Kontrolle eines bestimmten Füllstandes in einem Behälter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55124020A JPS55124020A (en) | 1980-09-24 |
| JPS6257932B2 true JPS6257932B2 (de) | 1987-12-03 |
Family
ID=6058101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16743879A Granted JPS55124020A (en) | 1978-12-22 | 1979-12-22 | Device for detecting and monitoring height of filling |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS55124020A (de) |
| DE (1) | DE2855643B2 (de) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59500012A (ja) * | 1981-09-30 | 1984-01-05 | ベガ・グリ−スハ−バ−・ゲゼルシヤフト・ミト・ベシユレンクテル・ハフツング・ウント・カンパニ− | 容器内充填物質の定量検知監視装置 |
| DE3140938A1 (de) * | 1981-10-15 | 1983-05-19 | Eberhard F. 7888 Rheinfelden Hermann | Vorrichtung zur feststellung und/oder kontrolle eines bestimmten fuellstandes in einem behaelter |
| DE3219626C2 (de) * | 1982-05-25 | 1984-05-30 | Endress U. Hauser Gmbh U. Co, 7867 Maulburg | Vorrichtung zur Feststellung des Erreichens eines vorbestimmten Füllstandes in einem Behälter |
| DE3619678A1 (de) * | 1986-06-11 | 1987-12-17 | Eberhard Hermann | Fuellstandskontrollgeraet |
| DE3625779A1 (de) * | 1986-07-30 | 1988-02-04 | Vega Grieshaber Gmbh & Co | Vorrichtung zum feststellen eines bestimmten fuellstandes in einem behaelter |
| DD260325A1 (de) * | 1987-04-29 | 1988-09-21 | Greiz Plasttechnik | Vorrichtung zur fuellstandsgrenzmessung und fuellstandsregelung von vorwiegend sehr leichten, rieselfaehigen schuettguetern, insbesondere von vorgeschaeumtem expandierbaren polystyrol (eps) |
| DE3740598C2 (de) * | 1987-11-30 | 1998-03-26 | Grieshaber Vega Kg | Schwingeinheit für Füllstand-Vibrations-Grenzschalter |
| DE3912038A1 (de) * | 1989-04-12 | 1990-10-18 | Endress Hauser Gmbh Co | Vorrichtung zur feststellung und/oder ueberwachung eines vorbestimmten fuellstands in einem behaelter |
| CN102155968B (zh) * | 2011-03-08 | 2012-02-22 | 陈益华 | 电磁推敲式物体检测装置 |
| DE102016124252B4 (de) * | 2016-12-13 | 2023-05-04 | Vega Grieshaber Kg | Vibrationssensor |
| CN110530457A (zh) * | 2018-11-09 | 2019-12-03 | 湖南信量电子有限公司 | 一种用于物体检测的动作机构及物体检测装置 |
-
1978
- 1978-12-22 DE DE19782855643 patent/DE2855643B2/de not_active Ceased
-
1979
- 1979-12-22 JP JP16743879A patent/JPS55124020A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2855643A1 (de) | 1980-07-03 |
| JPS55124020A (en) | 1980-09-24 |
| DE2855643B2 (de) | 1980-10-16 |
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