FR2423764A1 - Dispositif de mesure de contrainte - Google Patents
Dispositif de mesure de contrainteInfo
- Publication number
- FR2423764A1 FR2423764A1 FR7909619A FR7909619A FR2423764A1 FR 2423764 A1 FR2423764 A1 FR 2423764A1 FR 7909619 A FR7909619 A FR 7909619A FR 7909619 A FR7909619 A FR 7909619A FR 2423764 A1 FR2423764 A1 FR 2423764A1
- Authority
- FR
- France
- Prior art keywords
- bridge
- measurement device
- stress
- resulting
- stress measurement
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
- G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
- G01L1/225—Measuring circuits therefor
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
a. Dispositif de mesure de contrainte utilisant un pont de Wheatstone. b. On fait en sorte que la tension de la source de courant du pont soit variable et ces tensions différentes sont appliquées au cours de deux mesures successives au montage en pont. Les tensions déséquilibrées obtenues sont mises en mémoire et soustraites les unes des autres, ce qui permet d'obtenir une valeur mesurée précise de la contrainte qui n'est pas affectée par la tension de dérive ou par la force électromotrice thermique. c. Applications : jauges de contrainte.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53046180A JPS5834761B2 (ja) | 1978-04-18 | 1978-04-18 | ひずみ測定装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2423764A1 true FR2423764A1 (fr) | 1979-11-16 |
FR2423764B1 FR2423764B1 (fr) | 1982-07-02 |
Family
ID=12739826
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7909619A Granted FR2423764A1 (fr) | 1978-04-18 | 1979-04-17 | Dispositif de mesure de contrainte |
Country Status (4)
Country | Link |
---|---|
US (1) | US4404856A (fr) |
JP (1) | JPS5834761B2 (fr) |
DE (1) | DE2915104C2 (fr) |
FR (1) | FR2423764A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH668486A5 (de) * | 1986-02-10 | 1988-12-30 | Landis & Gyr Ag | Schaltungsanordnung mit einem am eingang einpolig angeschlossenen vierpol und einem verstaerker zur kompensation eines bezugspotentials. |
EP0536667B1 (fr) * | 1991-10-07 | 1997-01-08 | Mitsubishi Denki Kabushiki Kaisha | Dispositif de traitement des signaux analogiques |
US7735372B2 (en) * | 2006-02-23 | 2010-06-15 | I F M Electronic Gmbh | Electronic pressure switch |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4012953A (en) * | 1976-03-18 | 1977-03-22 | Ormond Alfred N | Short term creep compensation for load cells |
US4054835A (en) * | 1976-11-22 | 1977-10-18 | General Electric Company | Rapid response generating voltmeter |
US4174639A (en) * | 1978-04-06 | 1979-11-20 | American Chain & Cable Company, Inc. | Bridge circuits |
-
1978
- 1978-04-18 JP JP53046180A patent/JPS5834761B2/ja not_active Expired
-
1979
- 1979-04-12 DE DE2915104A patent/DE2915104C2/de not_active Expired
- 1979-04-17 FR FR7909619A patent/FR2423764A1/fr active Granted
-
1981
- 1981-03-19 US US06/245,373 patent/US4404856A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE2915104A1 (de) | 1979-10-25 |
JPS5834761B2 (ja) | 1983-07-28 |
US4404856A (en) | 1983-09-20 |
FR2423764B1 (fr) | 1982-07-02 |
DE2915104C2 (de) | 1986-05-15 |
JPS54137370A (en) | 1979-10-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |