JPS60202312A - 水位検知装置 - Google Patents
水位検知装置Info
- Publication number
- JPS60202312A JPS60202312A JP5993984A JP5993984A JPS60202312A JP S60202312 A JPS60202312 A JP S60202312A JP 5993984 A JP5993984 A JP 5993984A JP 5993984 A JP5993984 A JP 5993984A JP S60202312 A JPS60202312 A JP S60202312A
- Authority
- JP
- Japan
- Prior art keywords
- water level
- coil
- water
- magnet
- inductance
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 101
- 230000005291 magnetic effect Effects 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims description 15
- 239000011553 magnetic fluid Substances 0.000 abstract description 13
- 238000010586 diagram Methods 0.000 description 12
- 239000003990 capacitor Substances 0.000 description 6
- 239000003302 ferromagnetic material Substances 0.000 description 3
- 239000000696 magnetic material Substances 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 239000002199 base oil Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000006249 magnetic particle Substances 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5993984A JPS60202312A (ja) | 1984-03-27 | 1984-03-27 | 水位検知装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5993984A JPS60202312A (ja) | 1984-03-27 | 1984-03-27 | 水位検知装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60202312A true JPS60202312A (ja) | 1985-10-12 |
JPH034088B2 JPH034088B2 (enrdf_load_stackoverflow) | 1991-01-22 |
Family
ID=13127606
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5993984A Granted JPS60202312A (ja) | 1984-03-27 | 1984-03-27 | 水位検知装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60202312A (enrdf_load_stackoverflow) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6321095A (ja) * | 1986-07-15 | 1988-01-28 | 三洋電機株式会社 | 洗濯機 |
JPH0346830U (enrdf_load_stackoverflow) * | 1989-09-14 | 1991-04-30 | ||
JP2005241476A (ja) * | 2004-02-26 | 2005-09-08 | Japan Agengy For Marine-Earth Science & Technology | 浸水センサ、潜水機及び浸水検知方法 |
JP2019037722A (ja) * | 2017-08-23 | 2019-03-14 | パナソニックIpマネジメント株式会社 | 洗濯機 |
CN110849445A (zh) * | 2019-11-27 | 2020-02-28 | 西南交通大学 | 轨道车辆砂箱砂位检测装置及方法 |
-
1984
- 1984-03-27 JP JP5993984A patent/JPS60202312A/ja active Granted
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6321095A (ja) * | 1986-07-15 | 1988-01-28 | 三洋電機株式会社 | 洗濯機 |
JPH0346830U (enrdf_load_stackoverflow) * | 1989-09-14 | 1991-04-30 | ||
JP2005241476A (ja) * | 2004-02-26 | 2005-09-08 | Japan Agengy For Marine-Earth Science & Technology | 浸水センサ、潜水機及び浸水検知方法 |
JP2019037722A (ja) * | 2017-08-23 | 2019-03-14 | パナソニックIpマネジメント株式会社 | 洗濯機 |
CN110849445A (zh) * | 2019-11-27 | 2020-02-28 | 西南交通大学 | 轨道车辆砂箱砂位检测装置及方法 |
Also Published As
Publication number | Publication date |
---|---|
JPH034088B2 (enrdf_load_stackoverflow) | 1991-01-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |