EP0755894A1 - Procédé et dispositif pour mesurer la charge dans une cabine d'ascenseur - Google Patents

Procédé et dispositif pour mesurer la charge dans une cabine d'ascenseur Download PDF

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Publication number
EP0755894A1
EP0755894A1 EP96111277A EP96111277A EP0755894A1 EP 0755894 A1 EP0755894 A1 EP 0755894A1 EP 96111277 A EP96111277 A EP 96111277A EP 96111277 A EP96111277 A EP 96111277A EP 0755894 A1 EP0755894 A1 EP 0755894A1
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EP
European Patent Office
Prior art keywords
load
load variable
elevator car
elevator
motor
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
Application number
EP96111277A
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German (de)
English (en)
Other versions
EP0755894B1 (fr
Inventor
Jürgen Dr. Dipl.-Ing. Mueller
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.)
Inventio AG
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Inventio AG
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Filing date
Publication date
Application filed by Inventio AG filed Critical Inventio AG
Publication of EP0755894A1 publication Critical patent/EP0755894A1/fr
Application granted granted Critical
Publication of EP0755894B1 publication Critical patent/EP0755894B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

Definitions

  • the invention relates to a method and a device for measuring the load in an elevator car, which is supported by means of spring elements on a support frame which can be moved in an elevator shaft by means of a support cable guided over a traction sheave, wherein a motor controlled by a motor control drives the traction sheave and Executes travel commands of an elevator control.
  • a disadvantage of the known device is the complex construction and assembly of the angle with the strain gauges on the base support of the support frame.
  • considerable adjustment work for the bridge circuit and the amplifier is necessary. Accordingly, such systems are also expensive to manufacture and maintain.
  • the invention seeks to remedy this.
  • the invention as characterized in the claims, achieves the object of avoiding the disadvantages of the known device and of creating a device which precisely measures the load in an elevator car using measuring devices which are already present in an elevator system.
  • the advantage achieved by the invention is essentially to be seen in the fact that the cabin floor and support frame can be simplified, which in turn makes it possible to measure the load even in low-cost elevator systems for reasons of cost.
  • 1 to 4 denotes an elevator shaft with stops 2, in which an elevator car 3 can be moved.
  • a motor 4 drives a traction sheave 5, over which a supporting cable 6 is guided.
  • a support frame 7 is arranged at one end of the support cable 6 and a counterweight 8 is arranged at the other end of the support cable 6.
  • the elevator car 3 rests on spring elements 9 which are supported on the support frame 7.
  • One over a first deflection roller 10 and a second deflection roller 11-guided belt 12 is mechanically coupled to the elevator car 3.
  • the movement of the elevator car 3 is transmitted to the belt 12, which drives a pulse generator 13 coupled to the first deflection roller 10.
  • Each vertical movement of the elevator car 3 is thus converted into electrical pulses by the pulse generator 13.
  • the motor 4 can be arranged on the support frame 7, for example in the case of linear motor drives or rope-less friction wheel drives.
  • the pulse generator 13 can also be arranged on the elevator car 3. In this variant, belt 12 and deflection rollers 10, 11 can be omitted. The pulse generator 13 is then driven by means of a friction wheel which rolls, for example, on a guide rail.
  • An elevator control system 14 generates floor calls FL and car calls CA from passengers 16 in the elevator car 3 based on floor calls FL and car calls CA input at sensors 15 of the stops 2 Travel commands DO, which are forwarded to an engine control 17.
  • the motor controller 17, for example a converter determines the driving curve of the elevator car 3 based on the travel commands and on the basis of a path signal SL of the pulse generator 13, which corresponds to the current position of the elevator car 3 in the elevator shaft 1 the delay of the elevator car 3 determined.
  • a motor current IW is measured and, like the displacement signal SL, fed to an evaluation unit 18 for determining load quantities.
  • the path signal SL is fed to a first converter 19 of the evaluation unit 18 and is there when the elevator car 3 stops at the stop 2, for example by means of a table or a mathematical formula, in one of the movements of the elevator car 3 compared to the elevator shaft 1 corresponding first load size m SL converted.
  • the motor current IW is fed to a second converter 20 of the evaluation unit 18 and is converted there at the set speed of the elevator car 3, for example by means of a table or a mathematical formula, into a second load variable m IW corresponding to the car load. This size serves as a new load reference.
  • the second load size m IW and the first load size m SL corresponding to the new load in the elevator car 3 are added by means of an adder 21 to a third load size m IW - m SL , which is the correct sign influenced by the motor control 17 controlled motor current IW.
  • the third load variable m IW -m SL can be evaluated by the elevator control 14 and Depending on the load in the elevator car 3, the car allocation, for example, when the elevator car 3 is full, no further car calls are accepted.
  • FIG. 4 shows a flowchart of the evaluation unit 18 implemented, for example, in software.
  • a first step S1 it is checked whether the elevator car 3 is at a stop 2 and the doors are still closed. If the result of the test carried out in step S1 is yes, the path signal SL is read in in a second step S2 and stored as a reference signal. After it has been determined in a third step S3 that the doors of the elevator car 3 have been opened and the door closing command has been given, the travel signal SL is evaluated in a fourth step S4 and, with the difference to the reference signal of the second step S2, the first load variable m SL formed and saved. In a fifth step S5 it is checked whether the doors have been closed again.
  • the third load variable m IW -m SL is determined in the sixth step S6, the second load variable m IW during the preceding journey and the first load variable m SL being formed in the fourth step S4.
  • the third load variable m IW -m SL is also communicated to the elevator control 3 and the motor control 17.
  • the speed of the elevator car 3 is checked until the elevator car 3 has reached its target speed.
  • the second load variable m IW is formed and stored on the basis of the instantaneous motor current IW.
  • the elevator car 3 then travels with the second load variable m IW influencing the motor current IW controlled by the motor controller 17 until the next stop at a stop 2.
  • the motor current can be influenced using only the first load variable m SL . If the elevator car 3 is empty, a reference signal is generated in this case. At each stop, each load change is added to the load size m SL of the previous trip with the correct sign.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Elevator Control (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)
  • Forklifts And Lifting Vehicles (AREA)
EP96111277A 1995-07-26 1996-07-12 Procédé et dispositif pour mesurer la charge dans une cabine d'ascenseur Expired - Lifetime EP0755894B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH2187/95 1995-07-26
CH218795 1995-07-26
CH218795 1995-07-26

Publications (2)

Publication Number Publication Date
EP0755894A1 true EP0755894A1 (fr) 1997-01-29
EP0755894B1 EP0755894B1 (fr) 2001-03-14

Family

ID=4227930

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96111277A Expired - Lifetime EP0755894B1 (fr) 1995-07-26 1996-07-12 Procédé et dispositif pour mesurer la charge dans une cabine d'ascenseur

Country Status (7)

Country Link
US (1) US5852264A (fr)
EP (1) EP0755894B1 (fr)
JP (1) JP3628814B2 (fr)
AT (1) ATE199699T1 (fr)
BR (1) BR9603180A (fr)
CA (1) CA2181882C (fr)
DE (1) DE59606572D1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0953537A2 (fr) * 1998-04-28 1999-11-03 Kabushiki Kaisha Toshiba Capteur de charge pour une cabine d'ascenseur
EP1790607A2 (fr) * 2005-11-29 2007-05-30 Maber costruzioni s.r.l. Dispositif de sécurité pour vérifier automatiquement le poids de la charge sur un ou plusieurs unité d'ascenseur, d'une plateforme, ou d'autres appareils semblables
DE102010019368A1 (de) * 2010-05-05 2011-11-10 Viktor Dulger Aufzug zur Beförderung von Personen und/oder Lasten in Gebäuden
DE102014225551A1 (de) * 2014-12-11 2016-06-16 Thyssenkrupp Ag Verfahren zum Bestimmen einer Last in einer Kabine eines Aufzugsystems
EP3848314A1 (fr) 2020-01-10 2021-07-14 Inventio AG Système de mesure de la charge dans un système d'ascenseur ainsi que procédé de détermination de la charge d'une cabine d'ascenseur

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6216824B1 (en) * 1998-12-24 2001-04-17 United Technologies Corporation Semi-active elevator hitch
US6776263B2 (en) * 2000-05-19 2004-08-17 Esw-Extel Systems Wedel Gesellschaft Fuer Austruestung Mbh Elevator system for the vertical transport of loads in an aircraft
US6450299B1 (en) * 2000-09-14 2002-09-17 C.E. Electronics, Inc. Load measuring for an elevator car
US9254409B2 (en) 2013-03-14 2016-02-09 Icon Health & Fitness, Inc. Strength training apparatus with flywheel and related methods
US9889334B2 (en) * 2013-03-15 2018-02-13 Icon Health & Fitness, Inc. Devices and methods for determining the weight of a treadmill user
EP3623020B1 (fr) 2013-12-26 2024-05-01 iFIT Inc. Mécanisme de résistance magnétique dans une machine de câble
US10433612B2 (en) 2014-03-10 2019-10-08 Icon Health & Fitness, Inc. Pressure sensor to quantify work
US9573789B2 (en) 2014-03-27 2017-02-21 Thyssenkrupp Elevator Corporation Elevator load detection system and method
CN106470739B (zh) 2014-06-09 2019-06-21 爱康保健健身有限公司 并入跑步机的缆索系统
US10273119B2 (en) 2014-09-12 2019-04-30 Otis Elevator Company Elevator load weighing system
US10258828B2 (en) 2015-01-16 2019-04-16 Icon Health & Fitness, Inc. Controls for an exercise device
JP6887718B2 (ja) * 2015-06-05 2021-06-16 ゴゴロ インク 車両、及び、電動車両の負荷の特定の種類を判定する方法
US10953305B2 (en) 2015-08-26 2021-03-23 Icon Health & Fitness, Inc. Strength exercise mechanisms
US10272317B2 (en) 2016-03-18 2019-04-30 Icon Health & Fitness, Inc. Lighted pace feature in a treadmill
US10561894B2 (en) 2016-03-18 2020-02-18 Icon Health & Fitness, Inc. Treadmill with removable supports
US10493349B2 (en) 2016-03-18 2019-12-03 Icon Health & Fitness, Inc. Display on exercise device
US10625137B2 (en) 2016-03-18 2020-04-21 Icon Health & Fitness, Inc. Coordinated displays in an exercise device
US10293211B2 (en) 2016-03-18 2019-05-21 Icon Health & Fitness, Inc. Coordinated weight selection
US10252109B2 (en) 2016-05-13 2019-04-09 Icon Health & Fitness, Inc. Weight platform treadmill
US10441844B2 (en) 2016-07-01 2019-10-15 Icon Health & Fitness, Inc. Cooling systems and methods for exercise equipment
US10471299B2 (en) 2016-07-01 2019-11-12 Icon Health & Fitness, Inc. Systems and methods for cooling internal exercise equipment components
US10500473B2 (en) 2016-10-10 2019-12-10 Icon Health & Fitness, Inc. Console positioning
US10376736B2 (en) 2016-10-12 2019-08-13 Icon Health & Fitness, Inc. Cooling an exercise device during a dive motor runway condition
US10661114B2 (en) 2016-11-01 2020-05-26 Icon Health & Fitness, Inc. Body weight lift mechanism on treadmill
TWI646997B (zh) 2016-11-01 2019-01-11 美商愛康運動與健康公司 用於控制台定位的距離感測器
TWI680782B (zh) 2016-12-05 2020-01-01 美商愛康運動與健康公司 於操作期間抵銷跑步機的平台之重量
TWI722450B (zh) 2017-08-16 2021-03-21 美商愛康運動與健康公司 用於抗馬達中之軸向衝擊載荷的系統
US10729965B2 (en) 2017-12-22 2020-08-04 Icon Health & Fitness, Inc. Audible belt guide in a treadmill
DE102019200052A1 (de) 2019-01-04 2020-01-23 Thyssenkrupp Ag Aufzugsanlage

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4053742A (en) * 1976-12-20 1977-10-11 Youngstown Sheet And Tube Company Energy measuring systems adapted for use in conjunction with load moving and weight indicating devices
DE3042968A1 (de) * 1980-11-14 1982-07-01 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8500 Nürnberg Lastmess- und ausweteeinrichtung fuer aufzugsanlagen
EP0528188A1 (fr) * 1991-08-15 1993-02-24 KONE Elevator GmbH Détermination du nombre de personnes qui montent ou descendent d'une cabine d'ascenseur

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4460066A (en) * 1982-02-08 1984-07-17 Mitsubishi Denki Kabushiki Kaisha Crime prevention apparatus for elevators
CH663949A5 (de) * 1984-02-14 1988-01-29 Inventio Ag Lastmesseinrichtung fuer eine aufzugskabine.
US4793442A (en) * 1987-11-05 1988-12-27 Schindler Elevator Corporation Method and apparatus for providing pre-travel balancing energy to an elevator drive
US5149922A (en) * 1989-09-08 1992-09-22 Mitsubishi Denki Kabushiki Kaisha Elevator load detector device using movable detector plates
US5306879A (en) * 1992-01-30 1994-04-26 Inventio Ag Load measuring apparatus for an elevator car
DE69401667T2 (de) * 1993-03-04 1997-05-28 Otis Elevator Co Vorstromdrehmoment für Aufzugsantrieb zur Vermeidung eines Gleitens nach oben wie nach unten

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4053742A (en) * 1976-12-20 1977-10-11 Youngstown Sheet And Tube Company Energy measuring systems adapted for use in conjunction with load moving and weight indicating devices
DE3042968A1 (de) * 1980-11-14 1982-07-01 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8500 Nürnberg Lastmess- und ausweteeinrichtung fuer aufzugsanlagen
EP0528188A1 (fr) * 1991-08-15 1993-02-24 KONE Elevator GmbH Détermination du nombre de personnes qui montent ou descendent d'une cabine d'ascenseur

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0953537A2 (fr) * 1998-04-28 1999-11-03 Kabushiki Kaisha Toshiba Capteur de charge pour une cabine d'ascenseur
EP0953537A3 (fr) * 1998-04-28 2002-03-13 Kabushiki Kaisha Toshiba Capteur de charge pour une cabine d'ascenseur
EP1314675A1 (fr) * 1998-04-28 2003-05-28 Kabushiki Kaisha Toshiba Détecteur de charge pour une cabine d'ascenseur
EP1790607A2 (fr) * 2005-11-29 2007-05-30 Maber costruzioni s.r.l. Dispositif de sécurité pour vérifier automatiquement le poids de la charge sur un ou plusieurs unité d'ascenseur, d'une plateforme, ou d'autres appareils semblables
EP1790607A3 (fr) * 2005-11-29 2008-11-26 Maber costruzioni s.r.l. Dispositif de sécurité pour vérifier automatiquement le poids de la charge sur un ou plusieurs unité d'ascenseur, d'une plateforme, ou d'autres appareils semblables
DE102010019368A1 (de) * 2010-05-05 2011-11-10 Viktor Dulger Aufzug zur Beförderung von Personen und/oder Lasten in Gebäuden
DE102014225551A1 (de) * 2014-12-11 2016-06-16 Thyssenkrupp Ag Verfahren zum Bestimmen einer Last in einer Kabine eines Aufzugsystems
EP3848314A1 (fr) 2020-01-10 2021-07-14 Inventio AG Système de mesure de la charge dans un système d'ascenseur ainsi que procédé de détermination de la charge d'une cabine d'ascenseur

Also Published As

Publication number Publication date
ATE199699T1 (de) 2001-03-15
JP3628814B2 (ja) 2005-03-16
DE59606572D1 (de) 2001-04-19
CA2181882C (fr) 2007-01-09
BR9603180A (pt) 2004-08-17
EP0755894B1 (fr) 2001-03-14
JPH0943039A (ja) 1997-02-14
CA2181882A1 (fr) 1997-01-27
US5852264A (en) 1998-12-22

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