JPH0242416B2 - - Google Patents
Info
- Publication number
- JPH0242416B2 JPH0242416B2 JP58199919A JP19991983A JPH0242416B2 JP H0242416 B2 JPH0242416 B2 JP H0242416B2 JP 58199919 A JP58199919 A JP 58199919A JP 19991983 A JP19991983 A JP 19991983A JP H0242416 B2 JPH0242416 B2 JP H0242416B2
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- phase
- feedback
- output voltage
- feedback amplifier
- 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
- 238000001514 detection method Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000000691 measurement method Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 description 22
- 239000010959 steel Substances 0.000 description 22
- 230000010363 phase shift Effects 0.000 description 11
- 239000003990 capacitor Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 230000003321 amplification Effects 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000004907 flux Effects 0.000 description 2
- 230000004043 responsiveness Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 230000004044 response 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
- G01F23/26—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 capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Continuous Casting (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19991983A JPS6093316A (ja) | 1983-10-27 | 1983-10-27 | 渦流式湯面レベル測定法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19991983A JPS6093316A (ja) | 1983-10-27 | 1983-10-27 | 渦流式湯面レベル測定法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6093316A JPS6093316A (ja) | 1985-05-25 |
| JPH0242416B2 true JPH0242416B2 (fi) | 1990-09-21 |
Family
ID=16415778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19991983A Granted JPS6093316A (ja) | 1983-10-27 | 1983-10-27 | 渦流式湯面レベル測定法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6093316A (fi) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2945118B1 (fr) * | 2009-04-29 | 2011-06-17 | Avemis | Capteur et procede de mesure de niveau de la surface d'un metal en phase liquide |
| JP2013154393A (ja) * | 2012-01-31 | 2013-08-15 | Shinagawa Refractories Co Ltd | 連続鋳造用モールド内湯面計およびそれを用いた湯面制御方法 |
| JP2013154394A (ja) * | 2012-01-31 | 2013-08-15 | Shinagawa Refractories Co Ltd | 渦流式モールド湯面レベルセンサー |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5612502A (en) * | 1979-07-12 | 1981-02-06 | Nippon Kokan Kk <Nkk> | Feedback amplification type vortex flow range finder |
| JPS57192805A (en) * | 1981-05-25 | 1982-11-27 | Nippon Kokan Kk <Nkk> | Differential feedback type eddy current distance meter |
-
1983
- 1983-10-27 JP JP19991983A patent/JPS6093316A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5612502A (en) * | 1979-07-12 | 1981-02-06 | Nippon Kokan Kk <Nkk> | Feedback amplification type vortex flow range finder |
| JPS57192805A (en) * | 1981-05-25 | 1982-11-27 | Nippon Kokan Kk <Nkk> | Differential feedback type eddy current distance meter |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6093316A (ja) | 1985-05-25 |
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