JPS6443786A - Level measuring method for liquid level or the like - Google Patents
Level measuring method for liquid level or the likeInfo
- Publication number
- JPS6443786A JPS6443786A JP62200361A JP20036187A JPS6443786A JP S6443786 A JPS6443786 A JP S6443786A JP 62200361 A JP62200361 A JP 62200361A JP 20036187 A JP20036187 A JP 20036187A JP S6443786 A JPS6443786 A JP S6443786A
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic wave
- level
- transmitter receiver
- liquid surface
- measured
- 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
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
PURPOSE:To measure an accurate liquid level, etc., by measuring the reception required time of an ultrasonic wave reflected by the liquid surface, etc., and the reception required time of a reflected ultrasonic wave and a movement distance when an ultrasonic wave transmitter receiver is moved. CONSTITUTION:The time T1 from the emission of an ultrasonic wave by the ultrasonic wave transmitter receiver 11 to the reception of an ultrasonic wave reflected by the liquid surface 14, etc., in a tank 12 is measured. Then when the ultrasonic wave transmitter receiver 11 is moved by a specific distance, the time T2 from when the ultrasonic wave transmitter receiver 11 sends out the ultrasonic wave to the reception of the ultrasonic wave reflected by the liquid surface, etc., in the tank 12 is measured. Then the level of the liquid surface 4, etc., in the tank 12 is found from a specific expression according to those measured times T1 and T2 and the movement distance DELTAH of the ultrasonic wave transmitter receiver 11. Consequently, the level of the accurate liquid level, etc., is measured without any temperature compensation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62200361A JPS6443786A (en) | 1987-08-11 | 1987-08-11 | Level measuring method for liquid level or the like |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62200361A JPS6443786A (en) | 1987-08-11 | 1987-08-11 | Level measuring method for liquid level or the like |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6443786A true JPS6443786A (en) | 1989-02-16 |
| JPH0535995B2 JPH0535995B2 (en) | 1993-05-27 |
Family
ID=16423023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62200361A Granted JPS6443786A (en) | 1987-08-11 | 1987-08-11 | Level measuring method for liquid level or the like |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6443786A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010091455A (en) * | 2008-10-09 | 2010-04-22 | Seiko Instruments Inc | Ultrasonic type distance sensor and ultrasonic type distance measuring method |
| US8274860B2 (en) | 2007-04-28 | 2012-09-25 | Pulsar Process Measurement Ltd. | Distance measurement apparatus and related methods |
-
1987
- 1987-08-11 JP JP62200361A patent/JPS6443786A/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8274860B2 (en) | 2007-04-28 | 2012-09-25 | Pulsar Process Measurement Ltd. | Distance measurement apparatus and related methods |
| JP2010091455A (en) * | 2008-10-09 | 2010-04-22 | Seiko Instruments Inc | Ultrasonic type distance sensor and ultrasonic type distance measuring method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0535995B2 (en) | 1993-05-27 |
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