EP2477926A1 - Cabine d'ascenseur - Google Patents

Cabine d'ascenseur

Info

Publication number
EP2477926A1
EP2477926A1 EP10752588A EP10752588A EP2477926A1 EP 2477926 A1 EP2477926 A1 EP 2477926A1 EP 10752588 A EP10752588 A EP 10752588A EP 10752588 A EP10752588 A EP 10752588A EP 2477926 A1 EP2477926 A1 EP 2477926A1
Authority
EP
European Patent Office
Prior art keywords
door panel
electric motor
control device
elevator car
door
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
EP10752588A
Other languages
German (de)
English (en)
Other versions
EP2477926B1 (fr
Inventor
Jules Christen
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 EP20100752588 priority Critical patent/EP2477926B1/fr
Publication of EP2477926A1 publication Critical patent/EP2477926A1/fr
Application granted granted Critical
Publication of EP2477926B1 publication Critical patent/EP2477926B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/02—Door or gate operation
    • B66B13/14—Control systems or devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/02—Door or gate operation
    • B66B13/06—Door or gate operation of sliding doors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/02—Door or gate operation
    • B66B13/14—Control systems or devices
    • B66B13/143—Control systems or devices electrical
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B19/00—Mining-hoist operation
    • B66B19/007—Mining-hoist operation method for modernisation of elevators
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D15/00—Suspension arrangements for wings
    • E05D15/06—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane
    • E05D15/0621—Details, e.g. suspension or supporting guides
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
    • E06B3/34—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
    • E06B3/42—Sliding wings; Details of frames with respect to guiding
    • E06B3/46—Horizontally-sliding wings

Definitions

  • the present invention relates to an elevator car of an elevator installation and to a method for modernizing an elevator car, in particular its door drive.
  • Such an elevator car contains, inter alia, an access opening, a car door for closing the access opening, wherein the car door has at least one door panel which can be displaced parallel to the access opening
  • Thrust crank mechanism for moving the at least one door panel between an open position and a closed position, an electric motor for driving the sliding crank drive and a control device for driving the electric motor.
  • EP 0 677 475 B1 discloses a method for controlling an elevator door, wherein an elevator door is moved from an extreme position to another extreme position and phase or direction information resulting from the movement step is stored. The elevator door is moved at a constant, preselected speed while counting pulses generated by an incremental encoder.
  • EP 0 196 675 A1 a method for limiting the force for automatic elevator doors is known.
  • the drive force course to be applied is determined by means of a mathematical model for the door drive and compared with the drive force profile generated by the door drive. Deviations from this can lead to the door being stopped.
  • EP 0 383 087 A1 describes an elevator car with an elevator cage and an elevator door with several door panels. There are provided door drive arms, which are parts of a slider crank drive and are driven by a drive pulley by an electric motor.
  • a further object of the invention is to provide a method for modernizing an elevator car with a car door and a door drive comprising a sliding crank drive, which leads to an elevator car with a
  • a first aspect of the invention relates to an elevator car with the features of claim 1.
  • Advantageous developments and refinements of this invention are the subject of the dependent claims 2 to 12.
  • the elevator car has an access opening which can be closed with a car door.
  • the cabin door has at least one door panel which can be displaced parallel to the access opening.
  • a sliding crank drive With a sliding crank drive, the at least one door panel can be moved between an open position and a closed position.
  • an electric motor for driving the sliding crank drive which can be controlled by means of a control device.
  • control device is designed such that it
  • Electric motor can control such that the speed of movement of the at least one door panel over the entire path of movement between the open position and the closed position of the door panel is substantially constant.
  • substantially constant is to be understood in particular as meaning that the irregularities in the movement caused by the kinematics of the sliding-crank drive are compensated for and the door panels are at least almost closed or opened at the same speed the door panels near the Extreme position of the door panels, namely the positions where the car door is fully closed or fully open. It is self-evident that near the extreme positions no constant speed can prevail, since stopping always occurs with one present for at least a short time
  • That movement path is meant in which the door panel is already accelerated to an operating speed or before the door panel is braked again from this operating speed.
  • Kurbelarm tooen in which at constant speed of the electric motor, a below-average speed of the door panel would result in the speed of the electric motor is increased.
  • the elevator car of the invention advantageously combines the advantages of a conventional crank lift for the door panels (i.e., defined end positions, simple construction, etc.) with the advantages of intelligent control of the electric motor, i. with the advantages of a substantially constant
  • control device is designed so that it can control the electric motor such that the
  • Actuating force over the entire movement path between the open position and the closed position of the door panel is substantially constant.
  • the maximum producible torque of the electric motor is reduced taking into account the currently given kinematic conditions.
  • the maximum producible torque of the electric motor increases, taking into account the currently given kinematic conditions. This ensures that in any position of the sliding crank drive an impermissibly high actuation force can be exerted on the door panel, so that passengers trapped by the closing door panel are not injured.
  • control device has a memory device for storing a predetermined speed curve for the electric motor over the entire movement path between the open position and the closed position of the door panel.
  • the predetermined speed curve then causes in conjunction with the changing ratio of the sliding crank drive a substantially constant speed of movement of the at least one door panel over its entire path of movement.
  • the memory device may also be used to store the position of the
  • Thrust crank drive depending on varying gear ratios of
  • Thrust crank be formed over the entire path of movement of the door panel.
  • Translation ratio can achieve a desired Movement speed of the door panel for each instantaneous position of the
  • Thrust crank the required speed of the electric motor can be calculated. This applies analogously to the maximum exercisable on the door panel operating force.
  • a desired maximum exertable actuation force can be converted into knowledge of each of a momentary position of the sliding crank drive - or a position of the movement path - associated gear ratios in each case a momentary adjustment associated maximum permissible motor drive torque.
  • an evaluation device can also be provided, which can detect a deviation between an actual engine size and an engine size required for the predetermined speed curve.
  • an engine size are meant in particular state variables of the engine, which may indicate a speed or a motor drive torque. Such an engine size can, for example, at a
  • DC drive for the speed curve be the course of the armature voltage; for the course of the torque, this can be in particular the course of the armature current.
  • control device is preferably designed in such a way that when there is a detected deviation of a certain size, in particular one
  • the movement of the door panel is stopped or vice versa. This may be particularly advantageous if the movement of the door panel is blocked by an obstacle, such as a person who is trapped by the door panel. At the same time, the door panel can only continue to move slowly, if at all. Due to the blocking and the torque increase necessary to maintain the speed increases, for example, at a
  • the door can then be stopped and / or accelerated in the opposite direction to allow reopening of the door panel or release of a trapped person.
  • Speed measuring device for detecting a movement speed the at least one door panel provided.
  • a speed measurement device may include a displacement sensor that can accommodate a path change. Taking into account the time unit required thereby, the movement speed can be determined at least in a section of the movement path. Furthermore, such a speed measuring device can also be formed by an acceleration sensor. By integrally forming a determined acceleration curve over a unit of time can be concluded that the current movement speed, in particular a door panel.
  • control device preferably further comprises an adaptation device for adapting the predetermined speed curve for the electric motor during the operation of the elevator car on the basis of the detected
  • Adaption device is used in particular to ensure that the speed curve, which is predetermined, is actually maintained.
  • the speed curve which is predetermined
  • Adaption device state variables of the electric motor such as the armature current, change.
  • Thrust crank provided.
  • One component of the slider-crank drive may in particular be a crank wheel, a connecting arm or a door drive arm.
  • the angular position can be an absolute angular position of the corresponding component with respect to the vertical or the horizontal.
  • the angular position can also be the relative angular position of one component relative to another component of the elevator car, in particular another component of the sliding crank drive, in particular the respective other arm. It is advantageous if - as described above - on the angular position conclusions on the of
  • the control device is designed such that a regulation of the engine torque and / or the engine speed of the electric motor in
  • the angle measuring device angular position is provided.
  • the angular position thus represents an input variable of the regulation of the engine speed and / or the maximum permissible engine torque.
  • the control device then strictly assumes the tasks of a
  • control device may be a programmable control device.
  • control device may be programmable with an algorithm which can take into account the kinematics of the sliding crank drive in determining the instantaneous engine speed and / or the instantaneous engine torque of the electric motor such that, in particular, a constant speed of the door panel results and / or the closing force which can be exerted on the door panel throughout the closing or
  • the reduction gear allows the use of an electric motor with appropriate, commercially available
  • Access opening a car door with at least one parallel to the access opening sliding door panel for closing the access opening, a
  • Thrust crank mechanism for moving the at least one door panel between an open position and a closed position and an electric motor for
  • an existing control device for driving the electric motor is removed and replaced by a control device, which is designed such that it can control the electric motor so that a movement speed of the at least one door panel over the entire movement path between an open position and a closed position of the door panel is substantially constant, and / or that of the sliding crank drive on the at least one door panel maximally exercisable actuating force over the entire path of movement between the open position and the closed position of the door panel is substantially constant.
  • an existing electric motor is removed and a new electric motor is installed.
  • a new electric motor may be required to make a faultless
  • the control device may comprise, for example, a frequency converter or a DC control device for controlling the speed and / or the torque of the electric motor.
  • a speed measuring device for detecting a movement speed of at least one door panel is preferably installed in the course of the modernization.
  • an angle measuring device for detecting at least one angular position of at least one component of the sliding-crank drive can preferably be installed.
  • Fig. 1 shows an elevator car of an elevator with a mechanism for
  • Opening and closing a car door in a schematic representation In Fig. 1 is extracts and simplifies an elevator car 1 with a
  • the access opening 1 1 is closed by a car door.
  • the car door has two door panels 10, which are parallel to the access opening 1 1 displaced by a door drive 15.
  • the door panels 10 are hung on a door hanger 12 so over rollers that they are axially displaceable along a guide rail 14.
  • the guide rail 14 is fixedly arranged on a support plate 16 of the elevator car.
  • the door drive 15 is arranged substantially on the support plate 16 and comprises an electric motor 22 and a sliding crank drive.
  • the sliding-crank drive essentially comprises a crank wheel 18 and, for each of the two door panels 10, a connecting arm 24, a door drive arm 26 and a coupling lever 28.
  • the electric motor 22 is actuated by a control device 32 and drives the crank wheel 18 of the sliding-crank drive with the interposition of a
  • Reduction gear 20 so that the crank wheel in each case a half turn, alternately counterclockwise and clockwise executes.
  • Reduction gear 20 by means of a first belt 23.1 with a
  • Pulley 22.1 of the electric motor 22 coupled.
  • the crank wheel 18 is connected by means of a second belt 23.2 with a smaller pulley
  • Double pulley 20.1 of the reduction gear 20 coupled.
  • the connecting arm 24 of the sliding crank drive is articulated on the crank wheel 18 at its first end. Half a rotation of the crank wheel 18 substantially causes a horizontal displacement of the connecting arm 24.
  • Thrust crank drive further comprises a door drive arm 26, which is mounted relatively stationary, but rotatable about an axis of rotation 30 on the support plate 16.
  • Rotary axis 30 of the door drive arm 26 is disposed between the first end and the second end thereof. At its upper end of the door drive arm 26 with - Kl hinged to a second end of the connecting arm 24. A lower end of the door drive arm 26 is pivotally connected to a first end of a coupling lever 28, whose second end is pivotally mounted on a door panel 10. A rotational movement of the output shaft of the electric motor 22 causes via the pulley 22.1 and the first belt 23.1 a rotational movement of the
  • Double pulley 20.1 of the reduction gear 20 On the smaller pulley of the double pulley 20.1 and the second belt 23.2 a slowed, but provided with higher torque rotational movement of the crank wheel 18 is generated. In the situation shown in Fig. 1 of the components of the crank mechanism causes a rotation of the crank wheel 18 in
  • a control device 32 which controls the electric motor 22 such that the desired constant
  • Movement speed of the door panel 10 is achieved.
  • control device 32 outputs a speed command value, which changes in the course of the movement of the door panel and which is formed so that a essentially constant movement speed over the entire
  • the control device has, for example, a memory device 34, in which a speed curve for the electric motor is stored. This stored and predetermined
  • Reduction gear a substantially constant movement of the door panel.
  • the control device 32 may have an evaluation device 36, which determines, for example, deviations of the armature voltage applied to the electric motor 22 and the armature current intensity from a predetermined or optimum setpoint value. For detecting these motor sizes separate, not shown sensor means are provided on the electric motor 22, which by means of a not shown
  • control device 32 can accelerate, decelerate, stop and / or reverse the movement of the door panel 10 by controlling the electric motor 22 such that the required change of movement of the electric motor 22 results.
  • a speed measuring device 40 can be provided,
  • This speed measuring device 40 checks whether the desired movement profile of the door panel 10 is actually achieved. In particular, it can also be used as actual value repatriation for a - below
  • an angle measuring device 42 may be provided, for example in the form of an angle measuring device or incremental encoder.
  • This angle measuring device 42 can accommodate an angular position of the crank wheel 18 and / or the door drive arm 26. From this angular position conclusions about the position-dependent transmission ratios of the sliding crank drive are possible.
  • the controller 32 further includes as adaption means a controller 38.
  • the controller 38 for example, using the Wegmesssensors 40 deviations of the actual movement speed of a target movement speed determine and - if the electric motor is present for example in the form of a DC motor - corresponding to the armature current of the
  • Three-phase motor realize whose speed is controlled by means of a frequency converter.
  • the movement sequence can be controlled path-dependent on the basis of a stored desired movement profile.
  • a precisely controllable movement sequence can be achieved if the speed control by means of a frequency converter in response to the feedback of the currently existing position of a member of the slider crank drive (angle measurement) takes place.
  • one or more of the following components come into consideration as components to be newly installed: the electric motor 22, the control device 32, the evaluation device 36, the regulator 38, the displacement measuring sensor 40 or the
  • the door-field drive described above can be used on the one hand in new elevator cars, but is especially in a modernization of existing elevator cars with push-crank drive advantage.
  • the advantages of the slider crank drive in particular the defined end positions and the simple and cost-effective structure are maintained and on the other hand, the favorable behavior of a linear drive are modeled, the shortest
  • Closing times and opening times are essentially more constant
  • Movement speed of the door panels allows.
  • an existing elevator car with a conventional push-crank drive not the entire door drive is replaced, but it is the existing

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Elevator Door Apparatuses (AREA)
  • Power-Operated Mechanisms For Wings (AREA)

Abstract

L'invention concerne une cabine d'ascenseur comportant une ouverture d'accès (11) ; une porte de cabine pour la fermeture de l'ouverture d'accès, qui présente au moins une zone de porte (10) coulissant parallèlement à l'ouverture d'accès ; une commande par bielle-manivelle (18, 24-30) pour le déplacement de la au moins une zone de porte (10) entre une position ouverte et une position fermée ; un moteur électrique (22) pour l'entraînement de la commande par bielle-manivelle ; et un dispositif de commande (32) pour l'actionnement du moteur électrique. Le dispositif de commande (32) de la cabine d'ascenseur est conçu ici de telle sorte qu'il actionne le moteur électrique (22) de façon qu'une vitesse de déplacement de la au moins une zone de porte (10) est sensiblement constante sur l'ensemble de la course de mouvement entre la position ouverte et la position fermée de la zone de porte (10).
EP20100752588 2009-09-18 2010-09-15 Cabine d'ascenseur Active EP2477926B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20100752588 EP2477926B1 (fr) 2009-09-18 2010-09-15 Cabine d'ascenseur

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP20090170764 EP2298683A1 (fr) 2009-09-18 2009-09-18 Opérateur pour porte
EP20100752588 EP2477926B1 (fr) 2009-09-18 2010-09-15 Cabine d'ascenseur
PCT/EP2010/063509 WO2011032955A1 (fr) 2009-09-18 2010-09-15 Cabine d'ascenseur

Publications (2)

Publication Number Publication Date
EP2477926A1 true EP2477926A1 (fr) 2012-07-25
EP2477926B1 EP2477926B1 (fr) 2015-01-07

Family

ID=41664762

Family Applications (2)

Application Number Title Priority Date Filing Date
EP20090170764 Withdrawn EP2298683A1 (fr) 2009-09-18 2009-09-18 Opérateur pour porte
EP20100752588 Active EP2477926B1 (fr) 2009-09-18 2010-09-15 Cabine d'ascenseur

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP20090170764 Withdrawn EP2298683A1 (fr) 2009-09-18 2009-09-18 Opérateur pour porte

Country Status (13)

Country Link
US (1) US9126809B2 (fr)
EP (2) EP2298683A1 (fr)
KR (1) KR20120069687A (fr)
CN (1) CN102741148B (fr)
AU (1) AU2010297383B2 (fr)
BR (1) BR112012006171B1 (fr)
CA (1) CA2772281C (fr)
CL (1) CL2012000669A1 (fr)
ES (1) ES2534489T3 (fr)
HK (1) HK1172309A1 (fr)
MX (1) MX2012003103A (fr)
MY (1) MY162225A (fr)
WO (1) WO2011032955A1 (fr)

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Publication number Priority date Publication date Assignee Title
ES2475094T5 (es) * 2009-07-23 2019-07-12 Inventio Ag Cabina de ascensor
CN104203794B (zh) * 2012-03-23 2016-10-05 奥的斯电梯公司 电梯轿厢厢门驱动机制
EP3569553A1 (fr) * 2018-05-18 2019-11-20 Otis Elevator Company Système d'ascenseur et procédé de commande d'une porte dans un système d'ascenseur
CN110759209B (zh) * 2019-11-11 2020-07-31 浙江诺华机械有限公司 一种能单人操作长时间停留的电梯
CN111493916A (zh) * 2020-04-23 2020-08-07 南京安科医疗科技有限公司 一种ct准直器x射线束无级高速调节装置及其工作方法
CN114412321B (zh) * 2021-12-27 2024-01-05 江苏和天下节能科技股份有限公司 一种断桥隔热节能门窗

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Also Published As

Publication number Publication date
MY162225A (en) 2017-05-31
MX2012003103A (es) 2012-04-11
CA2772281C (fr) 2018-01-09
ES2534489T3 (es) 2015-04-23
BR112012006171A2 (pt) 2016-05-31
CL2012000669A1 (es) 2012-09-14
CN102741148A (zh) 2012-10-17
US9126809B2 (en) 2015-09-08
AU2010297383B2 (en) 2016-09-29
CN102741148B (zh) 2015-06-17
EP2477926B1 (fr) 2015-01-07
HK1172309A1 (en) 2013-04-19
KR20120069687A (ko) 2012-06-28
EP2298683A1 (fr) 2011-03-23
AU2010297383A1 (en) 2012-04-12
WO2011032955A1 (fr) 2011-03-24
BR112012006171B1 (pt) 2020-01-14
CA2772281A1 (fr) 2011-03-24
US20120168259A1 (en) 2012-07-05

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