EP1905717A1 - Procédé de fonctionnement d'une installation d'ascenseur, installation d'ascenseur pouvant fonctionner à l'aide de ce dispositif et dispositif de sécurité pour cette installation d'ascenseur - Google Patents

Procédé de fonctionnement d'une installation d'ascenseur, installation d'ascenseur pouvant fonctionner à l'aide de ce dispositif et dispositif de sécurité pour cette installation d'ascenseur Download PDF

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Publication number
EP1905717A1
EP1905717A1 EP07115822A EP07115822A EP1905717A1 EP 1905717 A1 EP1905717 A1 EP 1905717A1 EP 07115822 A EP07115822 A EP 07115822A EP 07115822 A EP07115822 A EP 07115822A EP 1905717 A1 EP1905717 A1 EP 1905717A1
Authority
EP
European Patent Office
Prior art keywords
switching mechanism
electro
elevator
weight
mechanical switching
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
EP07115822A
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German (de)
English (en)
Other versions
EP1905717B1 (fr
Inventor
Hans Kocher
Georges Gisler
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
Original Assignee
Inventio AG
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 Inventio AG filed Critical Inventio AG
Priority to EP07115822.4A priority Critical patent/EP1905717B1/fr
Publication of EP1905717A1 publication Critical patent/EP1905717A1/fr
Application granted granted Critical
Publication of EP1905717B1 publication Critical patent/EP1905717B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0006—Monitoring devices or performance analysers
    • B66B5/0018—Devices monitoring the operating condition of the elevator system
    • B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/02—Control systems without regulation, i.e. without retroactive action
    • B66B1/06—Control systems without regulation, i.e. without retroactive action electric
    • B66B1/14—Control systems without regulation, i.e. without retroactive action electric with devices, e.g. push-buttons, for indirect control of movements
    • B66B1/18—Control systems without regulation, i.e. without retroactive action electric with devices, e.g. push-buttons, for indirect control of movements with means for storing pulses controlling the movements of several cars or cages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions

Definitions

  • the invention relates to a method for operating an elevator installation, in particular for a multi-vehicle elevator installation with several elevator cars in a shaft.
  • the invention relates to a corresponding, operable with this method elevator system and a safety device for this elevator system to prevent collisions between these elevator cars.
  • the elevator cars are equipped in such multi-vehicle elevator systems each with its own drive and its own braking system.
  • the electronic control of the entire elevator system is often designed so that there should be no collisions of the individual elevator cars. Particularly in the case of an emergency stop or even in the case of a normal floor stop of a cabin, it can not be ensured under all circumstances that a further elevator car situated above or below the same elevator shaft can still stop in time to avoid a collision. This could be avoided by giving the controller sufficient distances between the individual elevator cars and also adapted vertical speeds. Such a requirement, however, can not fully utilize the transport capacity of a multi-vehicle elevator installation, which has an impact on the cost-benefit efficiency.
  • an object of the present invention to provide a multi-mobile elevator system, where at an approach of elevator cars, the cars are stopped automatically before driving without a complex exchange of information between the elevator cars is necessary.
  • the inventive method for operating an elevator installation comprises at least one upper elevator car and at least one lower elevator car, both of which are substantially independently vertically movable in a common elevator shaft of the elevator system, a first electro-mechanical switching mechanism which is arranged in a lower region of the upper elevator car wherein the first electro-mechanical switching mechanism comprises a weight attached to an elongate strand by the weight of the weight attached to the strand the first electro-mechanical switching mechanism is held in a driving position.
  • a second electro-mechanical switching mechanism is disposed in an upper region of the lower elevator car vertically below the weight attached to the strand, wherein upon unwanted approach of the two elevator cars, the weight impinges on the second electro-mechanical switching mechanism.
  • a safety circuit of the lower elevator car is opened by means of the second electro-mechanical switching mechanism.
  • a safety circuit of the upper elevator car is opened by means of the first electro-mechanical switching mechanism.
  • the first electro-mechanical switching mechanism comprises a lever element, a force accumulator and a switch, the strand being fastened to the lever element in such a way that the weight element of the weight fastened to the strand holds the lever element in the driving position.
  • the energy storage device is connected to the lever element in such a way that when the weight force is released, the lever element is transferred from the driving position into an emergency position and the switch is actuated and the safety circuit is opened.
  • the second electro-mechanical switching mechanism comprises a lever element, a force accumulator and a switch, wherein the energy accumulator is so in communication with the lever element, that the lever element is held in a driving position.
  • the energy accumulator is so in communication with the lever element, that the lever element is held in a driving position.
  • the second electro-mechanical switching mechanism comprises a collecting element, which is designed so that the weight impinges on the lever element of the second electro-mechanical switching mechanism even with slight vibrations when approaching the elevator cars.
  • an elevator system can be operated, which comprises a drive and a holding brake per elevator car, and wherein the opening of the safety circuits both stops the drives of the two elevator cars and triggers the holding brakes of the two elevator cars.
  • the first electro-mechanical switching mechanism and the second electro-mechanical switching mechanism form an electro-mechanical safety system in the elevator installation to prevent the collision of the two elevator cars.
  • a safety device is part of the elevator system that can be operated by the inventive method.
  • This safety device comprises a first and second electro-mechanical switching mechanism.
  • An advantage of the present invention is the simplicity and reliability of the solution.
  • the switching mechanism is inexpensive to produce with standard elements.
  • the safety circuit of a car is opened independently of communication between the elevator cars and the safety device. Thanks to the simple design and the autonomous functionality, the safety device is not susceptible to interference.
  • the solution described during commissioning is easy to initialize, since only a few systems need to be coordinated.
  • the safety device is in communication with a control unit of the elevator installation. Because when an impact of the weight at the same time the triggering mechanisms of the upper and the lower elevator car are operated. Thus, the control unit has a redundant information of an undesirable approach of the elevator cars and can make appropriate reactions such as the triggering of a safety brake or holding brake. These Redundant design of the safety device increases the safety of the elevator system.
  • a first embodiment of the invention is described in connection with FIG. Shown is a simple multi-vehicle elevator installation 10 with an upper elevator car A1 of a third elevator car, not shown, and a lower elevator car A2 of a third elevator car, not shown, both of which are substantially independently vertically movable in a common elevator shaft 11 of the elevator installation 10.
  • the elevator cars A1, A2 can be provided with their own drives, or, for example, can be individually coupled to a central drive system in order to allow individual movement in the elevator shaft 11.
  • Elevator concepts are also known in which the drives are part of the elevator car A1, A2.
  • a person skilled in the art therefore has a large number of approaches to choose from in order to be able to individually move the elevator cars of a multi-vehicle elevator installation.
  • a safety device 20 which comprises a first electro-mechanical switching mechanism 21 and a second electro-mechanical switching mechanism 22.
  • the first electro-mechanical switching mechanism 21 is, as indicated schematically, in a lower portion of the upper elevator car A1, e.g. in the ground area, attached.
  • the first electro-mechanical switching mechanism 21 comprises a weight 23 fixed to an elongate strand 24, which holds the first electro-mechanical switching mechanism 21 in a so-called driving position (normal position) by the weight G of the weight 23 attached to the strand 24.
  • the second electro-mechanical switching mechanism 22 is arranged vertically in an upper region of the lower elevator car A2 below the weight 23 attached to the runner 24 and secured so that in an undesirable approach of the two elevator cars A1 and A2, the weight 23 to the second electro-mechanical Switching mechanism 22 impinges.
  • the two switching mechanisms 21 and 22 are designed and arranged so that by the impact of the weight 23 by means of the second electro-mechanical switching mechanism 22, a safety circuit of the lower elevator car A2 is opened automatically, and that almost at the same time by a decrease in the weight G and the associated reduction of the tension on the strand 24 by means of the first electro-mechanical switching mechanism 21 opens a safety circuit of the upper elevator car A1.
  • a multi-mobile elevator installation 10 preferably has one own safety circuit per elevator car A1, A2, in which several safety elements, such as safety contacts and switches, are arranged in a series connection.
  • the corresponding elevator car A1 or A2 can only be moved if the safety circuit and thus also all safety contacts integrated in it are closed.
  • the safety circuit is connected to the drive or the brake unit of the elevator system 10 in order to interrupt the driving operation of the corresponding elevator car A1 or A2, if the safety circuit for Example is opened by the actuation of the electro-mechanical switching mechanism.
  • a shutdown of the two drives and a triggering of the holding brakes of the two elevator cars A1 and A2 is effected via the opening of the respective safety circuits.
  • the invention can also be used in elevator systems 10, which are equipped with a safety bus system instead of the mentioned safety circuit.
  • the described safety device 20 is a purely electro-mechanical system which does not require any information exchange between the elevator cars and also no intervention (except for integration into the safety circuits or safety bus systems of the elevator cars involved) in the elevator control. That is, the safety device 20 operates completely self-sufficient and therefore also works in those cases where there is interference in the controller.
  • two switching mechanisms 21 and 22 are used, which are designed and arranged so that the collision of the weight 23 by means of the second electro-mechanical switching mechanism 22, the safety circuit of the lower elevator car A2 is opened automatically, and that almost at the same time by a decrease in the weight G by means of the first electro-mechanical switching mechanism 21, the safety circuit of the upper elevator car A1 opens.
  • the first electro-mechanical switching mechanism 21 comprises an elongate lever element 25, a force accumulator 30 and a switch 26.
  • the strand 24, for example a cable or cable, is fastened to the lever element 25 in such a way that the weight force G of the attached to the strand 24 weight 23, the lever member 25 is held in the driving position.
  • energy storage 30 an element is used, which is so in connection with the lever member 25, that upon release of the weight G, the lever member 25 is automatically transferred from the driving position in an emergency position while the switch 26 is actuated.
  • a force storage 30 is a spring-based mechanism which attaches in the case of the arrangement shown in Fig.
  • the energy accumulator 30 must apply sufficient force in each case in order to set the lever element 25 in motion and to trigger the switch 26 as soon as the tension on the strand 24 drops significantly.
  • a switch 26 an element is preferably used, which is mechanically directly or indirectly connected to the lever member 25 in connection and which is triggered when the lever member 25 rotates a distance in a clockwise direction about the pivot axis 32.
  • an embodiment of the switch 26 is shown, which comprises a short lever with an end roller 33. When pivoting the lever member 26 moves the short lever and the switch 26 is actuated.
  • the second electro-mechanical switching mechanism 22 also includes a lever element 28, a force accumulator 31 and a switch 29.
  • the energy accumulator 31 is so connected to the lever member 28 in connection that the lever member 28 is held in a driving position.
  • this is transferred from the driving position to an emergency position while the switch 29 is actuated.
  • the switch 26 the safety circuit of the lower elevator car A2 is opened.
  • the second electro-mechanical switching mechanism 22 comprises a collecting element 27, which is designed so that the weight 23 impinges on the lever element 28 of the second electro-mechanical switching mechanism 22, even in the case of slight oscillations when the elevator cars A1, A2 approach.
  • a funnel serves as a catch element 27.
  • this element 27 is optional.
  • a switch 29 an element is preferably used, which is mechanically directly or indirectly in communication with the lever member 28 and which is triggered when the lever member 28 rotates a distance counterclockwise about a pivot axis.
  • an embodiment of the switch 29 is shown, which comprises a short lever with an end roller 34. Upon pivoting of the lever member 28, the short lever moves and the switch 29 is operated.
  • a simple, safe and robust electro-mechanical pre-shutdown can be realized in order to prevent the elevator cars from being driven up.
  • an emergency stop when falling below a minimum distance S (see FIG. 1) is automatically triggered.
  • Fig. 1 the normal state is shown where both elevator cars A1 and A2 are at a sufficient distance from each other. If now the elevator cars A1 and A2 would continue to approach, with the distance R reduced to zero, the weight 23 hits the second electro-mechanical switching mechanism 22 and triggers via the switch 29, the immediate stop of the lower elevator car A2. Almost at the same time, the upper lever element 25 strikes upward and the immediate stopping of the upper elevator car A1 is triggered via the switch 26.
  • a corresponding safety device 20 can also be provided between these elevator cars.

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Elevator Control (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Types And Forms Of Lifts (AREA)
EP07115822.4A 2006-09-08 2007-09-06 Procédé de fonctionnement d'une installation d'ascenseur, installation d'ascenseur pouvant fonctionner à l'aide de ce dispositif et dispositif de sécurité pour cette installation d'ascenseur Not-in-force EP1905717B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07115822.4A EP1905717B1 (fr) 2006-09-08 2007-09-06 Procédé de fonctionnement d'une installation d'ascenseur, installation d'ascenseur pouvant fonctionner à l'aide de ce dispositif et dispositif de sécurité pour cette installation d'ascenseur

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP06120359 2006-09-08
EP07115822.4A EP1905717B1 (fr) 2006-09-08 2007-09-06 Procédé de fonctionnement d'une installation d'ascenseur, installation d'ascenseur pouvant fonctionner à l'aide de ce dispositif et dispositif de sécurité pour cette installation d'ascenseur

Publications (2)

Publication Number Publication Date
EP1905717A1 true EP1905717A1 (fr) 2008-04-02
EP1905717B1 EP1905717B1 (fr) 2014-06-04

Family

ID=38055624

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07115822.4A Not-in-force EP1905717B1 (fr) 2006-09-08 2007-09-06 Procédé de fonctionnement d'une installation d'ascenseur, installation d'ascenseur pouvant fonctionner à l'aide de ce dispositif et dispositif de sécurité pour cette installation d'ascenseur

Country Status (17)

Country Link
US (1) US7779967B2 (fr)
EP (1) EP1905717B1 (fr)
JP (1) JP5147106B2 (fr)
KR (1) KR20080023181A (fr)
CN (1) CN100595120C (fr)
AR (1) AR062714A1 (fr)
AU (1) AU2007216677B8 (fr)
BR (1) BRPI0705798A (fr)
CA (1) CA2600955A1 (fr)
EG (1) EG24538A (fr)
MX (1) MX2007010365A (fr)
MY (1) MY146205A (fr)
NZ (1) NZ560838A (fr)
RU (1) RU2438959C2 (fr)
SG (1) SG141341A1 (fr)
TW (1) TWI383944B (fr)
ZA (1) ZA200707601B (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101296855B (zh) * 2005-10-25 2010-05-26 奥蒂斯电梯公司 电梯安全系统、电梯系统及保持多轿厢间最小间距的方法
EP1894874A1 (fr) * 2006-08-31 2008-03-05 Inventio Ag Dispositif de sécurité pour ascenseur
ZA200710597B (en) * 2006-12-21 2008-11-26 Inventio Ag Method of preventing collision of two lift cages movable in the same shaft of a lift installation and corresponding lift installation
US8813919B2 (en) * 2008-12-23 2014-08-26 Inventio Ag Elevator safety system preventing collision of cars
CN103562110B (zh) 2011-03-22 2016-07-13 奥的斯电梯公司 用于电梯系统的护脚板组件
ES2597969T3 (es) * 2011-04-05 2017-01-24 Otis Elevator Company Conjunto de protección de los dedos de los pies para un sistema elevador
CN105517935B (zh) * 2013-09-03 2017-06-23 三菱电机株式会社 电梯系统
AU2016231585B2 (en) * 2015-09-25 2018-08-09 Otis Elevator Company Elevator component separation assurance system and method of operation
US10407275B2 (en) * 2016-06-10 2019-09-10 Otis Elevator Company Detection and control system for elevator operations
CN108382942B (zh) * 2018-04-11 2023-09-19 浙江速捷电梯有限公司 一种双层轿厢电梯
EP3620419A1 (fr) * 2018-09-07 2020-03-11 KONE Corporation Système d'engrenage de sécurité progressif de décélération constante
CN111891882B (zh) * 2020-09-09 2023-09-08 金胜昔 一种连续升降机构、连续升降机构的提升方法及竖井
CN112744673B (zh) * 2020-12-22 2022-10-11 合肥学院 一种施工升降机用人员防坠装置
CN115321311B (zh) * 2022-08-19 2023-06-20 深圳市菲昂机电有限公司 一种高可靠型的低功耗机电设备升降装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0769469A1 (fr) * 1995-10-17 1997-04-23 Inventio Ag Dispositif de sécurité pour groupes d'ascenseur multi-mobiles
EP1329412A1 (fr) * 2000-10-10 2003-07-23 Mitsubishi Denki Kabushiki Kaisha Dispositif d'ascenseurs
WO2004043842A1 (fr) * 2002-11-09 2004-05-27 Thyssenkrupp Elevator Ag Systeme de securite pour systeme d'ascenseur comprenant plusieurs cabines d'ascenseur dans une cage
EP1498379A1 (fr) * 2002-03-22 2005-01-19 Toshiba Elevator Kabushiki Kaisha Ascenseur a double cage
WO2006097139A1 (fr) * 2005-03-12 2006-09-21 Thyssenkrupp Aufzugswerke Gmbh Ascenseur
WO2007050060A1 (fr) * 2005-10-25 2007-05-03 Otis Elevator Company Systeme et procede de securite d'ascenseur a pluralite de cabines

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US2708715A (en) * 1951-01-05 1955-05-17 Western Electric Co Crane control systems
JPS59133188A (ja) * 1983-01-20 1984-07-31 株式会社東芝 エレベ−タ
JPS62136470U (fr) * 1986-02-21 1987-08-27
JPH07187525A (ja) * 1993-11-18 1995-07-25 Masami Sakita 複数ばこエレベータシステム
JPH09124247A (ja) * 1995-10-31 1997-05-13 Hitachi Building Syst Co Ltd エレベータの保守点検用安全装置
US6554107B2 (en) * 2001-09-27 2003-04-29 Mitsubishi Denki Kabushiki Kaisha Elevator system
JP4104911B2 (ja) * 2002-06-07 2008-06-18 三菱電機株式会社 エレベータの安全装置
ES2285591T3 (es) * 2005-03-05 2007-11-16 Thyssenkrupp Aufzugswerke Gmbh Sistema de ascensor.
EP1894874A1 (fr) * 2006-08-31 2008-03-05 Inventio Ag Dispositif de sécurité pour ascenseur

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0769469A1 (fr) * 1995-10-17 1997-04-23 Inventio Ag Dispositif de sécurité pour groupes d'ascenseur multi-mobiles
EP1329412A1 (fr) * 2000-10-10 2003-07-23 Mitsubishi Denki Kabushiki Kaisha Dispositif d'ascenseurs
EP1498379A1 (fr) * 2002-03-22 2005-01-19 Toshiba Elevator Kabushiki Kaisha Ascenseur a double cage
WO2004043842A1 (fr) * 2002-11-09 2004-05-27 Thyssenkrupp Elevator Ag Systeme de securite pour systeme d'ascenseur comprenant plusieurs cabines d'ascenseur dans une cage
WO2006097139A1 (fr) * 2005-03-12 2006-09-21 Thyssenkrupp Aufzugswerke Gmbh Ascenseur
WO2007050060A1 (fr) * 2005-10-25 2007-05-03 Otis Elevator Company Systeme et procede de securite d'ascenseur a pluralite de cabines

Also Published As

Publication number Publication date
TW200821252A (en) 2008-05-16
AR062714A1 (es) 2008-11-26
CN100595120C (zh) 2010-03-24
NZ560838A (en) 2009-03-31
KR20080023181A (ko) 2008-03-12
MY146205A (en) 2012-07-31
EG24538A (en) 2009-09-03
AU2007216677A1 (en) 2008-04-03
EP1905717B1 (fr) 2014-06-04
JP2008063145A (ja) 2008-03-21
AU2007216677B8 (en) 2013-02-14
RU2007133500A (ru) 2009-03-20
CN101139058A (zh) 2008-03-12
BRPI0705798A (pt) 2008-07-22
AU2007216677B2 (en) 2012-12-20
US7779967B2 (en) 2010-08-24
MX2007010365A (es) 2009-01-30
JP5147106B2 (ja) 2013-02-20
ZA200707601B (en) 2008-09-25
US20080067014A1 (en) 2008-03-20
CA2600955A1 (fr) 2008-03-08
TWI383944B (zh) 2013-02-01
RU2438959C2 (ru) 2012-01-10
SG141341A1 (en) 2008-04-28

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