EP2014600A1 - Dispositif de compensation - Google Patents

Dispositif de compensation Download PDF

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Publication number
EP2014600A1
EP2014600A1 EP08008732A EP08008732A EP2014600A1 EP 2014600 A1 EP2014600 A1 EP 2014600A1 EP 08008732 A EP08008732 A EP 08008732A EP 08008732 A EP08008732 A EP 08008732A EP 2014600 A1 EP2014600 A1 EP 2014600A1
Authority
EP
European Patent Office
Prior art keywords
car
car floor
damping
damping unit
transport
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
EP08008732A
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German (de)
English (en)
Other versions
EP2014600B1 (fr
Inventor
Hans Ryser
Jochen Reinders
Bernd Bochow
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.)
TUEV Rheinland Industrie Service GmbH
Original Assignee
TUEV Rheinland Industrie Service GmbH
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Publication date
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Publication of EP2014600A1 publication Critical patent/EP2014600A1/fr
Application granted granted Critical
Publication of EP2014600B1 publication Critical patent/EP2014600B1/fr
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Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/02—Cages, i.e. cars
    • B66B11/0226—Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation

Definitions

  • the invention relates to a device and a method for compensating an acceleration value of a loadable car floor of a Transpartffens, in particular an elevator system, wherein the means of transport has at least one drive and a car with a car floor.
  • acceleration or deceleration values occur both during normal operation and in the event of an accident, which may have an unfavorable or even damaging effect on the persons or sensitive loads in the load receiving means.
  • the object of the invention is to provide a means of transport which avoids excessive acceleration values during operation.
  • a device for compensating an acceleration value of a loadable car floor of a means of transport in particular an elevator system, proposed, wherein the means of transport has at least one drive and a car with a car floor.
  • This device comprises at least one controllable, adjustable in their effect damping unit for changing an acting on the car floor (2) of the means of transport acceleration.
  • lift systems are to be understood as at least façade lifts, construction hoists, passenger, goods and freight elevators, simplified goods elevators, small goods elevators, warehouse elevators, facade elevators, construction elevators with passenger transport, electrically operated passenger and freight elevators and hydraulically operated passenger and freight elevators.
  • the invention may be e.g. be used for a lifting device such as a lift table or a lift.
  • the proposed solution makes it possible to adapt a damping individually to a loading state such that, with different damping, an acceleration acting on the loading can be set at least within a presettable range.
  • This range is preferably about 0.2 g to about 1 g, regardless of the loading, according to DIN EN 81-1 (2000-05).
  • the damping unit can be connected directly to the car floor, to the car ceiling or to both at the same time.
  • the damping unit can in particular be designed in such a way that it does not have to be structurally designed for the entire car and payload.
  • the damping unit is designed only to the maximum payload and any security surcharges, the entire car mass is not affected.
  • the damping unit is arranged according to an embodiment within the car.
  • a signal is supplied according to an embodiment of an electronic control unit, which is related to the acceleration value of the car floor.
  • an electronic control unit which is related to the acceleration value of the car floor.
  • positive acceleration values are initiated by the drive of an elevator installation for ascending or descending travel, whereby the car and the car floor are accelerated.
  • negative acceleration values act on the car and the car floor.
  • sensors based on capacitive or piezoresistive measuring principles can be used.
  • a plurality of sensors By arranging a plurality of sensors in different angular positions, multi-dimensional movement processes can be detected, which can occur in the event of uneven loading of the car floor.
  • a signal which is related to a difference between an acceleration value of the car and the car floor, attacks in a refinement, a first acceleration sensor on the car and a second acceleration sensor on the car floor.
  • a differential evaluation element With a differential evaluation element, a difference signal is determined from the two signals.
  • the difference evaluator may be implemented, for example, with operational amplifiers, feedforward differential amplifiers or switched capacitors e.g. Switched-capacitor technology can be realized.
  • a weighing device engages below the car floor on the car floor.
  • the weighing device consists of a bending rod load cell.
  • pressure load load cells, platform load cells, or other types of mass sensors may be used.
  • a load cell is between the Car and the car floor above the car floor arranged.
  • a third possibility provides corresponding sensors on a ceiling.
  • a transmitter allows transmission of the detected signals via a fieldbus. Operating states are transmitted directly to a control unit via the fieldbus.
  • a status signal is generated with an algorithm from the difference signal and the third signal dependent on frequency and amplitude with a control algorithm specific to the system.
  • a frequency analysis of the detected signals takes place. By means of variable filters, for example, high-frequency and low-frequency frequency components can be masked out before the signals are further evaluated by means of algorithms.
  • a particularly advantageous embodiment provides that for the compensation of an acceleration value of the car floor based on an acceleration of the car floor and a mass of the car floor a short-term and defined tensile or pressure damping of the car floor by means of a damping unit.
  • an attenuation is based on an acceleration difference between the car and the car floor and a mass of the car floor.
  • the damping unit may comprise one or more devices which are coupled to each other, for example.
  • a device can be active or passive.
  • An active device is in particular a traversing device that realizes a method between the car floor and the car relative to one another by actuation of one or more force-influencing elements, for. As motors, actuators or the like.
  • a passive device has a reactivity in contrast to the action capability of the active device. By means of the reactivity, the externally impressed acceleration is changed by the device's inherent, adjustable properties.
  • the damping unit may comprise one or more passive as well as active devices. These can be activated together at the same time, as well as being used differently at different times.
  • a damping unit has, for example, at least one individually controllable damping element acting on the car floor, which has a control unit is controlled. According to a first embodiment, the damping unit is arranged below the car floor. A further embodiment provides additionally or alternatively that a damping unit which acts on the car floor, is arranged above the car floor. The damping unit may be arranged flat and individually as an array of damping elements or an array of damping elements.
  • a short-term and defined lowering or raising of the car floor from a normal position takes place alternatively or additionally.
  • a lowering is carried out in an upward drive when starting or when driving down when braking.
  • An increase is initiated when driving upwards during braking, when driving uphill when starting or in the event of an accident.
  • a movement of the car floor relative to the car can be carried out, for example, with a controlled linear motor active or other displacement elements quasi passive.
  • a further embodiment provides that for compensation of an acceleration value in the event of an accident in which the car hits the floor or the ceiling of an elevator shaft, a damping unit outside the car, i. is arranged on the floor or on the ceiling of the elevator shaft. It is necessary that the damping unit has a correspondingly high dimensions for the car including payload.
  • controllable, activatable damping elements can be regulated in a further embodiment based on mechanical, electrical, hydraulic, pneumatic, motor and electromagnetic principles or combinations thereof.
  • a first embodiment of an adjustable damping element can be realized with an electromagnetic seat valve with an axially movable valve body in a gap guide. The opening of the valve can be done by means of a magnetic force and the closing of the valve by means of a spring force.
  • An advantage of this embodiment is that low electrical power is needed.
  • a damping unit may consist of a plurality of damping elements of the same configuration or different configurations.
  • damping elements in one or more of the distribution adapted arrays, which can be controlled identically, instead to control each damping element individually.
  • An always identical weight distribution pattern can be present, for example, in the case of containers guided on rails or in the case of transported goods which are always fixed to a same position on the car floor.
  • damping elements consist of fluids in communicating tubes.
  • passive damping elements are arranged below the car floor, which cause a permanent damping.
  • passive damping elements may consist of passive mechanical, hydraulic, hydro-pneumatic shock absorbers as well as damping intermediate layers or combinations thereof.
  • one embodiment of such a damping unit consists of electrorheological damping elements, which are arranged parallel to a passive damping material made of an elastomer.
  • Fig. 1 schematically shows a car 1 an elevator system with a car floor 2 and arranged below the car floor 2 controllable acting on the car floor 2 damping unit 3, which consists of controllable damping elements 4.
  • damping unit 3 which consists of controllable damping elements 4.
  • drive elements for the damping unit are not shown.
  • Fig. 2 schematically shows a first embodiment of a controllable damping unit 3, which consists of several below the car floor 2 from Fig. 1 arranged damping elements 4 is arranged, which are arranged on a floor of the car 1.
  • the controllable damping elements 4 are arranged areally as an array, wherein the individual damping elements 4 are connected to signal lines 5.
  • the signal lines 5 are used to control the damping elements 4.
  • the damping unit 3 consists of several damping elements 4 with the same configuration.
  • the damping elements 4 can in the vertical direction single or in groups or in their entirety act as variably controllable arrays. Additional damping of the car floor can be supported if necessary, for example by means of mechanical damping elements.
  • the mechanical damping elements may include, for example spring, hydraulic and / or plastic elements.
  • Fig. 3 schematically shows a first embodiment of a controllable damping element 4 according to a voice coil principle, which preferably has a piston / cylinder assembly 6, wherein the piston / cylinder assembly 6 has a magnetic core 7 with a first exciter coil 8.
  • the magnetic field of the magnetic core 7 can be regulated.
  • a magnet armature 10 has a second exciting coil 11 for a second exciting current 12, with which the magnetic field of the armature 10 is controllable.
  • the magnetic core 7 is immersed in the magnet armature 10, which enables control of a damping force of the damping element 4.
  • the armature 10 may consist of a permanent magnet, whereby a lower power consumption is achieved.
  • Fig. 4 schematically shows a second embodiment of a controllable damping element 14, which preferably has a piston / cylinder assembly 6 and a hydraulic fluid 13 with electrorheological properties.
  • a controllable damping element 14 which preferably has a piston / cylinder assembly 6 and a hydraulic fluid 13 with electrorheological properties.
  • On two electrodes 15 an electrical voltage is applied via leads 16, which causes an electric field in the hydraulic fluid 13.
  • the electric field causes a reversible change in viscosity of the electrorheological hydraulic fluid 13, whereby the damping element 4 is driven.
  • a change in viscosity preferably takes place within a few milliseconds.
  • Fig. 5 schematically shows a third embodiment of a damping element 4, which consists of a series connection of the damping element 4 from Fig. 3 and the damping element 14 Fig. 4 consists.
  • a damping element 4 which consists of a series connection of the damping element 4 from Fig. 3 and the damping element 14 Fig. 4 consists.
  • an intermediate plane 18 is arranged between the damping element 4 off Fig. 3 and the damping element 14 Fig. 4 .
  • a parallel connection of damping elements is also conceivable.
  • Fig. 6 shows a locking device which is used for a car floor 2 at a floor stop.
  • the car floor 2 has a recess which can receive a locking element 19.
  • the locking element 19 consists of a or more bolts. Other shapes such as a plate are also conceivable.
  • a position sensor 20 Upon detection of a position of a car 1 at a floor stop, a position sensor 20 outputs a binary output signal 21.
  • An actuator 22 moves the locking member 19 in response to a control signal 23 in the recess of the car floor 2, whereby further movement of the car floor 2 is prevented.
  • Fig. 7 shows an example of a possible Anlagensabiauf to compensate for an acceleration value of a loadable car floor 2 of an elevator system.
  • the car floor 2 is loaded with a person 24 and luggage 25.
  • signal curves are recesses in a car on the car 1.
  • a first measuring unit 26 which acts on the car 1
  • a first signal 27 is detected, which characterizes an acceleration of the car 1.
  • a second measuring unit 28 which acts on the car floor 2
  • a second signal 29 is detected, which characterizes an acceleration of the car floor 2.
  • a third measuring unit 30 which acts on the car floor 2
  • a third signal 31 is detected, which characterizes a mass of the person 24 and luggage 25 laden car floor 2.
  • a fourth signal 33 is detected, which characterizes a position of a car 1.
  • the first signal 27 and the second signal 29 are recorded in a differential evaluation element 34, which generates a difference signal 35.
  • a status signal 37 is generated with the aid of a control algorithm from the difference signal 35 and the third signal 31.
  • elevator control data 39 is transmitted to a gate module 40.
  • a gate module signal 41 is generated from the fourth signal 33 and the elevator control data 39.
  • the gate module signal 41 and the status signal 37 are evaluated and a first attenuation control signal 43 and second attenuation control signal 44 are generated.
  • a voltage source 46 is driven by a first control amplifier 45.
  • a voltage of the voltage source 46 drives a first damping element 4.
  • a current source 48 is driven with a second control amplifier 47. With a field current 9 of the current source 48, a second damping element 14 is driven.
  • the controllable damping elements 4, 14 arranged parallel under the car floor 2 thereby compensate for an acceleration value of the car floor 2.
  • the gate module signal 41 and the status signal 37 enter at a floor stop of the car Arret istssignal 50 generated, which initiates a locking of the car floor 2 by means of an actuator 22.
  • For a locking pin 19 is moved into a recess in the car floor 2.
  • all signals occurring during the driving operation can be transmitted for remote monitoring.
  • This can be done via a wireless or wired.
  • the signals can be stored.
  • the storage can take place at the elevator system itself or else, for example, in a connected remote control room.
  • the possibly necessary transmission of the signals and their evaluation can take place via the interface.
  • This allows an adaptation of control and / or regulating elements or components of damping units, in particular taking into account changes in the behavior of the device, e.g. due to wear, aging or other influences.
  • This can also be connected to an error monitor.
  • the device is equipped with a self-monitoring, which checks individual components and processes and detects errors automatically and displays or optionally ensures a safety shutdown of the elevator.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
  • Polarising Elements (AREA)
  • Vehicle Body Suspensions (AREA)
  • Elevator Control (AREA)
EP08008732A 2007-05-31 2008-05-09 Dispositif de compensation Active EP2014600B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007025545A DE102007025545A1 (de) 2007-05-31 2007-05-31 Kompensationseinrichtung

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
DE102007025545 Previously-Filed-Application 2007-05-31

Publications (2)

Publication Number Publication Date
EP2014600A1 true EP2014600A1 (fr) 2009-01-14
EP2014600B1 EP2014600B1 (fr) 2010-08-18

Family

ID=39808914

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08008732A Active EP2014600B1 (fr) 2007-05-31 2008-05-09 Dispositif de compensation

Country Status (3)

Country Link
EP (1) EP2014600B1 (fr)
AT (1) ATE478029T1 (fr)
DE (2) DE102007025545A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108328452A (zh) * 2018-03-30 2018-07-27 迅立达智能装备制造科技有限公司 一种用于电梯塔的电梯防坠落装置
CN114455408A (zh) * 2022-01-21 2022-05-10 江苏海菱机电设备工程有限公司 一种电梯装潢后轿厢重量检测装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20230111204A (ko) * 2020-11-30 2023-07-25 인벤티오 아게 리프트 카용 플로어 및 리프트 카의 설치 방법

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5027925A (en) * 1988-09-23 1991-07-02 Kone Elevator Gmbh Procedure and apparatus for damping the vibrations of an elevator car
US5027924A (en) 1988-09-15 1991-07-02 Firma Karl Gutmann Kg Cashier check-out station with package-catching shopping cart
JPH07215634A (ja) 1994-02-03 1995-08-15 Hitachi Ltd エレベーターかご室床の浮上装置
EP0776859A2 (fr) * 1995-11-29 1997-06-04 Otis Elevator Company Verrouillage du cadre d'une cabine d'ascenseur au bâtiment pendant le chargement/déchargement d'une cabine se déplaçant horizontalement
JPH10245178A (ja) * 1997-03-06 1998-09-14 Toshiba Corp エレベータかごの振動防止装置
JP2001213580A (ja) * 1999-12-21 2001-08-07 Otis Elevator Co 加速緩和システム、エレベータシステムおよびエレベータかご室フロアシステム
US20030226717A1 (en) * 2002-03-07 2003-12-11 Josef Husmann Device for damping vibrations of an elevator car

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1291876B (de) * 1965-10-01 1969-04-03 Stahl R Fa Federnde Lagerung einer Aufzugskabine
FR2723362B1 (fr) * 1994-08-03 1996-09-27 Otis Elevator Co Plate-forme de cabine d'ascenseur a plusieurs fonctions integrees.
JPH09151064A (ja) * 1995-12-04 1997-06-10 Otis Elevator Co ロープ式エレベーター
WO2004083096A1 (fr) * 2003-03-12 2004-09-30 Otis Elevator Company Systeme d'equilibre de cabine d'ascenseur actif

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5027924A (en) 1988-09-15 1991-07-02 Firma Karl Gutmann Kg Cashier check-out station with package-catching shopping cart
US5027925A (en) * 1988-09-23 1991-07-02 Kone Elevator Gmbh Procedure and apparatus for damping the vibrations of an elevator car
JPH07215634A (ja) 1994-02-03 1995-08-15 Hitachi Ltd エレベーターかご室床の浮上装置
EP0776859A2 (fr) * 1995-11-29 1997-06-04 Otis Elevator Company Verrouillage du cadre d'une cabine d'ascenseur au bâtiment pendant le chargement/déchargement d'une cabine se déplaçant horizontalement
JPH10245178A (ja) * 1997-03-06 1998-09-14 Toshiba Corp エレベータかごの振動防止装置
JP2001213580A (ja) * 1999-12-21 2001-08-07 Otis Elevator Co 加速緩和システム、エレベータシステムおよびエレベータかご室フロアシステム
US20030226717A1 (en) * 2002-03-07 2003-12-11 Josef Husmann Device for damping vibrations of an elevator car

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108328452A (zh) * 2018-03-30 2018-07-27 迅立达智能装备制造科技有限公司 一种用于电梯塔的电梯防坠落装置
CN114455408A (zh) * 2022-01-21 2022-05-10 江苏海菱机电设备工程有限公司 一种电梯装潢后轿厢重量检测装置

Also Published As

Publication number Publication date
DE502008001142D1 (de) 2010-09-30
EP2014600B1 (fr) 2010-08-18
ATE478029T1 (de) 2010-09-15
DE102007025545A1 (de) 2008-12-04

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