JPS5697818A - Displacement measuring device - Google Patents
Displacement measuring deviceInfo
- Publication number
- JPS5697818A JPS5697818A JP17377779A JP17377779A JPS5697818A JP S5697818 A JPS5697818 A JP S5697818A JP 17377779 A JP17377779 A JP 17377779A JP 17377779 A JP17377779 A JP 17377779A JP S5697818 A JPS5697818 A JP S5697818A
- Authority
- JP
- Japan
- Prior art keywords
- displacement
- measurement
- pressure
- sensor
- long period
- 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
- Measuring Arrangements Characterized By The Use Of Fluids (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Abstract
PURPOSE: To make it possible to maintain measurement precision for a long period by making zero adjustment in every measurement by converting the displacement of an object to be measured into a mechanical displacement output and then by putting a measurement system in operation by making a displacement sensor respond to the conversion output only in the measurement.
CONSTITUTION: In nonmeasurement mode, solenoid changeover valve 8b3 is open for communication with the air via sequence controller 13 and the pressure of pressure room 8a of support 5 decreases. Simultaneously, gas of higher pressure than external pressure adjusted by safety valve 11e is applied into room 8a and chamber C, and displacement sensor 7a held airtight by bellows 7d separates from displacement transfer mechanism 6 generating a mechanical displacement output via the 1st and 2nd displacement detecting members 3 and 4 corresponding to the displacement of membrane 2 of a low-temperature tank. When the measurement is not taken, sensor 7a makes no response, the measurement system is not in operation and the explosion resistance is maintained. Therefore, zero adjustment can be made through controller 13 right before every measurement, and this displacement measuring device can maintain measurement precision for a long period and is explosion- proofed.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17377779A JPS5697818A (en) | 1979-12-29 | 1979-12-29 | Displacement measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17377779A JPS5697818A (en) | 1979-12-29 | 1979-12-29 | Displacement measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5697818A true JPS5697818A (en) | 1981-08-06 |
| JPS6118122B2 JPS6118122B2 (en) | 1986-05-10 |
Family
ID=15966945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17377779A Granted JPS5697818A (en) | 1979-12-29 | 1979-12-29 | Displacement measuring device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5697818A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61102910U (en) * | 1984-12-13 | 1986-07-01 | ||
| JPS623008U (en) * | 1985-06-21 | 1987-01-09 | ||
| KR101229188B1 (en) | 2011-01-18 | 2013-02-01 | 연세대학교 산학협력단 | Apparatus and system for measuring deformation of concrete structure under blast loading |
| KR101532321B1 (en) * | 2014-07-23 | 2015-06-30 | 국방과학연구소 | Output measuring device of explosive bellows |
-
1979
- 1979-12-29 JP JP17377779A patent/JPS5697818A/en active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61102910U (en) * | 1984-12-13 | 1986-07-01 | ||
| JPS623008U (en) * | 1985-06-21 | 1987-01-09 | ||
| KR101229188B1 (en) | 2011-01-18 | 2013-02-01 | 연세대학교 산학협력단 | Apparatus and system for measuring deformation of concrete structure under blast loading |
| KR101532321B1 (en) * | 2014-07-23 | 2015-06-30 | 국방과학연구소 | Output measuring device of explosive bellows |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6118122B2 (en) | 1986-05-10 |
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