FR2726646B1 - Capteur de force a fibre optique, notamment pour la mesure de la charge des cabines d'ascenseur - Google Patents

Capteur de force a fibre optique, notamment pour la mesure de la charge des cabines d'ascenseur

Info

Publication number
FR2726646B1
FR2726646B1 FR9413472A FR9413472A FR2726646B1 FR 2726646 B1 FR2726646 B1 FR 2726646B1 FR 9413472 A FR9413472 A FR 9413472A FR 9413472 A FR9413472 A FR 9413472A FR 2726646 B1 FR2726646 B1 FR 2726646B1
Authority
FR
France
Prior art keywords
measuring
load
optical fiber
force sensor
elevator cabs
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.)
Expired - Fee Related
Application number
FR9413472A
Other languages
English (en)
Other versions
FR2726646A1 (fr
Inventor
Gerard Sirigu
Vincent Raillard
Pascal Rebillard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Otis Elevator Co
Original Assignee
Otis Elevator Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Otis Elevator Co filed Critical Otis Elevator Co
Priority to FR9413472A priority Critical patent/FR2726646B1/fr
Publication of FR2726646A1 publication Critical patent/FR2726646A1/fr
Application granted granted Critical
Publication of FR2726646B1 publication Critical patent/FR2726646B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
    • B66B1/3476—Load weighing or car passenger counting devices
    • B66B1/3484—Load weighing or car passenger counting devices using load cells
    • 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
    • G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
    • G01L1/242—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre
    • G01L1/243—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre using means for applying force perpendicular to the fibre axis
    • G01L1/245—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre using means for applying force perpendicular to the fibre axis using microbending

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
FR9413472A 1994-11-09 1994-11-09 Capteur de force a fibre optique, notamment pour la mesure de la charge des cabines d'ascenseur Expired - Fee Related FR2726646B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9413472A FR2726646B1 (fr) 1994-11-09 1994-11-09 Capteur de force a fibre optique, notamment pour la mesure de la charge des cabines d'ascenseur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9413472A FR2726646B1 (fr) 1994-11-09 1994-11-09 Capteur de force a fibre optique, notamment pour la mesure de la charge des cabines d'ascenseur

Publications (2)

Publication Number Publication Date
FR2726646A1 FR2726646A1 (fr) 1996-05-10
FR2726646B1 true FR2726646B1 (fr) 1996-12-06

Family

ID=9468671

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9413472A Expired - Fee Related FR2726646B1 (fr) 1994-11-09 1994-11-09 Capteur de force a fibre optique, notamment pour la mesure de la charge des cabines d'ascenseur

Country Status (1)

Country Link
FR (1) FR2726646B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2901548B1 (fr) 2006-05-24 2008-07-25 Lemantec Internat Sarl Organe de levage a moyens de mesure de charge et /ou de contraintes

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL46035A (en) * 1974-11-12 1977-08-31 Shaarei Zedek Hospital Load cancelling device for conveyance systems
GB2204679A (en) * 1987-04-30 1988-11-16 Univ Manchester Fibre optic sensor
FR2674021B1 (fr) * 1991-03-15 1993-06-25 Faiveley Transport Dispositif pour mesurer une force et appareillage pour capter le courant d'une ligne catenaire depuis une motrice utilisant ce dispositif.

Also Published As

Publication number Publication date
FR2726646A1 (fr) 1996-05-10

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Legal Events

Date Code Title Description
ST Notification of lapse
ST Notification of lapse