JPS56118622A - Water level measuring apparatus - Google Patents
Water level measuring apparatusInfo
- Publication number
- JPS56118622A JPS56118622A JP2183380A JP2183380A JPS56118622A JP S56118622 A JPS56118622 A JP S56118622A JP 2183380 A JP2183380 A JP 2183380A JP 2183380 A JP2183380 A JP 2183380A JP S56118622 A JPS56118622 A JP S56118622A
- Authority
- JP
- Japan
- Prior art keywords
- water
- resistor
- container
- level
- dipped
- 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.)
- Pending
Links
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
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
PURPOSE:To measure the water level with high reliability by a method wherein in a resistor container a resistor is placed with a portion thereof dipped in water, and the electric resistance across said resistor is measured. CONSTITUTION:Because the upper and lower ends of a resistor container 2 communicate with a pressure vessel 1 respectively, the level of the water in the resistor container 2 is constantly the same as that of the water in the pressure vessel 1. Accordingly, the lower part of the resistor 6 in the resistor container 2 is dipped in the water and the upper prt is exposed above the water surface. Because a conductive path is formed also in the water around the portion of the resistor 6 dipped in the water, the electric resistance across the resistor 6 varies in accordance with the length of the portion thereof dipped in the water, i.e., the level of the water in the resistor container 2. Accordingly, measuring the electric resistance across the resistor 6 by using a water level detecting circuit 12 permits the level of the water in the resistor container 2 to be detected.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2183380A JPS56118622A (en) | 1980-02-23 | 1980-02-23 | Water level measuring apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2183380A JPS56118622A (en) | 1980-02-23 | 1980-02-23 | Water level measuring apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56118622A true JPS56118622A (en) | 1981-09-17 |
Family
ID=12066065
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2183380A Pending JPS56118622A (en) | 1980-02-23 | 1980-02-23 | Water level measuring apparatus |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56118622A (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5485065A (en) * | 1977-12-20 | 1979-07-06 | Toshiba Corp | Liquid level gauge |
-
1980
- 1980-02-23 JP JP2183380A patent/JPS56118622A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5485065A (en) * | 1977-12-20 | 1979-07-06 | Toshiba Corp | Liquid level gauge |
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