JPS54131976A - Load measuring apparatus - Google Patents
Load measuring apparatusInfo
- Publication number
- JPS54131976A JPS54131976A JP3898578A JP3898578A JPS54131976A JP S54131976 A JPS54131976 A JP S54131976A JP 3898578 A JP3898578 A JP 3898578A JP 3898578 A JP3898578 A JP 3898578A JP S54131976 A JPS54131976 A JP S54131976A
- Authority
- JP
- Japan
- Prior art keywords
- electrostatic capacity
- load
- diaphragm
- change
- chambers
- 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
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
PURPOSE: To enable stable load measurment to be performed without receiving temperature effect by communicating the respective chambers between measuring diaphragm and seal diaphragm through through-holes and drawing out the electrostatic capacity proportional to load and an always constant electrostatic capacity.
CONSTITUTION: When a load is applied to a centeral rigid body 1, a measuring diaphragm 2 displaces and the spacing between an electrode 3 and measuring diaphragm 2 changes and therefore the electrostatic capacity C2 between these changes. However, sealing liquid chambers 12, 6 and chamber 14 are communicated by through-holes 11, 10 and therefore the pressures in these chambers are absorbed by the displacement of the seal diaphragm 5 and the spacing between the electrode 13 and fixing plate 4 does not change, hence the electrostatic capacity C1 between these both members is constant and does not change. By drawing out the electrostatic capacity change value C2 proportional to the load and always constant electrostatic capacity value C1 through conductor 9, the magnitude of the load may be measured.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3898578A JPS54131976A (en) | 1978-04-03 | 1978-04-03 | Load measuring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3898578A JPS54131976A (en) | 1978-04-03 | 1978-04-03 | Load measuring apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS54131976A true JPS54131976A (en) | 1979-10-13 |
Family
ID=12540431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3898578A Pending JPS54131976A (en) | 1978-04-03 | 1978-04-03 | Load measuring apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS54131976A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009532699A (en) * | 2006-04-03 | 2009-09-10 | ロードスター センサーズ、インク． | Multi-region capacitive force detection apparatus and method |
-
1978
- 1978-04-03 JP JP3898578A patent/JPS54131976A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009532699A (en) * | 2006-04-03 | 2009-09-10 | ロードスター センサーズ、インク． | Multi-region capacitive force detection apparatus and method |
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