EP1535876A2 - Système d'ascenseur avec un dispositif de sécurité pour porte d'ascenseur - Google Patents

Système d'ascenseur avec un dispositif de sécurité pour porte d'ascenseur Download PDF

Info

Publication number
EP1535876A2
EP1535876A2 EP04027163A EP04027163A EP1535876A2 EP 1535876 A2 EP1535876 A2 EP 1535876A2 EP 04027163 A EP04027163 A EP 04027163A EP 04027163 A EP04027163 A EP 04027163A EP 1535876 A2 EP1535876 A2 EP 1535876A2
Authority
EP
European Patent Office
Prior art keywords
elevator
safety circuit
door
main contactor
main
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.)
Withdrawn
Application number
EP04027163A
Other languages
German (de)
English (en)
Other versions
EP1535876A8 (fr
Inventor
Karl Heinz Tauber
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.)
Aufzugswerke M Schmitt & Sohn & Co GmbH
Original Assignee
Aufzugswerke M Schmitt & Sohn & Co GmbH
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 Aufzugswerke M Schmitt & Sohn & Co GmbH filed Critical Aufzugswerke M Schmitt & Sohn & Co GmbH
Publication of EP1535876A2 publication Critical patent/EP1535876A2/fr
Publication of EP1535876A8 publication Critical patent/EP1535876A8/fr
Withdrawn legal-status Critical Current

Links

Images

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
    • B66B13/22—Operation of door or gate contacts

Definitions

  • the invention relates to an elevator system with a drive, which with a Power semiconductor having electronic device is connected, wherein at least one main contactor between the drive and the electronic device is provided, which connected in series with a safety circuit Safety switches connected, and being a programmable Elevator control is provided, which the door contacts of the safety switch in bridged the door zones of the elevator car, so that when opening the Elevator door (s) in the respective stop of the elevator car of the safety circuit remains closed.
  • the drive may have an electric motor with a the Power semiconductor having electronic device forming frequency controller connected is.
  • Such an electric motor with a frequency regulator is included Cable lifts for use.
  • the drive one Hydraulic pump motor has.
  • Soft starter as the power semiconductors having electronic device for Application.
  • the power semiconductors of the electronic device switch and regulate the Motor current in normal operation of the elevator system, so they form switch or Actuators in the power supply of the elevator drive.
  • Each elevator system normally has at least one mechanical one Main contactor, preferably two main contactors, over which the energy flow to Elevator drive, i. to the drive motor, running.
  • the main contactors According to the corresponding standard (DIN EN 81-1 / -2) the main contactors have a safety function.
  • the current that the main contactors need to put on is over the Safety circuit, i. via the series-connected safety switches. Opens while driving the elevator car such a safety switch, so drops the at least one main contactor, so that the drive motor off and the elevator performs an emergency stop. The elevator goes into it safe operating state "standstill".
  • sections of the safety circuit may be in certain situations are bridged to a ride of the elevator car enable.
  • the car door and landing door safety switches are allowed of the safety circuit in the area of the respective defined Door area of the elevator car to bridge, with a slow ride the Elevator car a possibly existing stage - due to a rope elongation under load - to compensate again and to drive the elevator car flush.
  • This bridging the door contacts of the safety switch of Safety circuit in the door zones of the elevator car is in case of need of the Elevator control of the elevator system activated.
  • From DE 198 26 039 C2 is a safety circuit for bridging the Door and blocking means switch for an electrically or hydraulically operated Elevator known, with a first, by an associated first Magnetic switch operable relay and with a second, by a associated second magnetic switch operable relay, wherein for activation
  • the magnetic switch in the door area of each elevator stop magnetic tapes are provided.
  • a Microprocessor provided with a memory for stop target positions and a timer, wherein the memory of the microprocessor for Storage of elevator stop positions with an incremental encoder connected is.
  • the speed of the drive motor is directly from the Mains frequency dependent and switches the elevator control the drive motor directly by activation or deactivation of the at least one main contactor or the main contactor.
  • the safety circuit allows the Can attract main contactors, i. the elevator control uses this possibility and lets the main gunner put on when the elevator car should start. Accordingly, the elevator control of such known elevator systems leaves the Main contactors fall off when the elevator car is to stop. The main shooter are always switched under load in such known elevator systems. Out For this reason, the contacts of the main contactors must close very quickly and be opened. That is with a significant noise connected.
  • the speed of the drive motor of a electronic frequency controller steplessly regulated.
  • the frequency controller has one Feedback of the motor speed via a rotary encoder attached to the motor shaft the drive motor is provided.
  • the frequency controller controls the motor current the drive motor always exactly so that the drive motor of the predetermined Speed curve (- travel curve) follows. In this way, that is at every cable lift existing brake in normal operation only one holding brake, which only ever When the drive motor is at a standstill, it is opened and closed by the frequency controller becomes.
  • the Main contactors are now only remotely operated emergency stop button for compulsory Shutdown of the lift system when a safety switch of the Safety circuit. Nevertheless, it is still common in such elevator systems, that after each trip the elevator car is the main contactor of the Elevator control will be disabled and fall off, and before the beginning of the next Ride the elevator car to be activated again by the elevator control and put on again.
  • the invention has the object, a To provide elevator installation of the type mentioned, in which the mentioned disturbing noises of the at least one main contactor during the normal operation of the elevator systems by responding and dropping the same are eliminated.
  • the inventor of the present invention has recognized that in an elevator installation of the above type a circuit for bridging the door contacts in Safety circuit is present in the door zones in the elevator control so that also when opening the elevator door (s) in the door zone of the respective stop of Elevator car the safety circuit remains closed. Because the said circuit It is activated by the elevator control even with known elevator systems So advantageously only required, the elevator control suitable to program. That is, except a software change on the elevator control There is nothing else to do, so with a minimum of effort Main noise source known elevator equipment is eliminated. Of their Safety function, the main contactors - regardless of - in to comply unchanged. This applies to both cable lifts with a Frequency controller as well as for hydraulic lifts with a soft starter.
  • the elevator control have a timer provided for this purpose is the at least one main contactor at regular intervals - for example, once every twenty-four hours - when the elevator is at a standstill to drop off in order to - over - even with known elevator systems existing - Monitoring contacts can determine that the main contactors also actually fall off.
  • the elevator control a counter , which is intended to the at least one main contactor after a certain number of movements of the elevator car, at standstill of Elevator to drop off.
  • the counter can do so be provided, the main contactors each for the purpose of Schützabfallkontrolle drop off once after one hundred elevator cab rides.
  • the figure shows a cable elevator system 10 with a drive motor 12, which with forming a power semiconductor having electronic device Frequency controller 14 is connected. This connection is indicated by the arrow 16 clarified.
  • the frequency regulator 14 is connected to a voltage source U1 connected.
  • This voltage source U1 is, for example around a three-phase voltage.
  • a Frequency controller 14 a the power semiconductors having electronic device forming soft starter available.
  • connection 16 between the drive motor 12 and the frequency controller 14th For safety reasons, two main contactors 18 are turned on, the with a Safety circuit 20 are connected. This connection of the main contactors 18 with the safety circuit 20 is designated by the reference numeral 22.
  • the safety circuit 20 is connected to a voltage U2 and has Safety switch 24, shaft door switch 26 and car door switch 28 on.
  • switches 34 and 36th connected in parallel, which are connected to the elevator control 30. These Connection is indicated by the angled arrow 38.
  • the elevator control 30 is provided to the door contacts the door switch 26 and 28 of the safety circuit 20 in the door zones of Elevator cabin of the elevator system 10 to bridge, so that when opening the Elevator door in the door zone of the respective stop of the elevator car Elevator system 10 of the safety circuit 20 remains closed.
  • the programmable Elevator control 30 connected to the main contactors 18 and such programmed that the main contactors 18 in trouble-free normal operation of the Elevator system 10 permanently energized.
  • the connection between the programmable elevator control 30 and the main contactor 18 is connected to the Reference numeral 40 illustrates.
  • the programmable elevator controller 30 has a timer 42, which controls the Main contactor 18 at regular intervals when the elevator is at a standstill fall off. About in such a known elevator system 10th existing monitoring contacts of the mechanical main contactors 18 is detectable whether the main contactors 18 actually fall off.
  • the Programmable elevator control 30 also has a counter 48 on, the main contactors 18 after a predetermined number Elevator car trips, at standstill of the elevator, drops to a Waste control of the main contactors 18 effect.
  • the frequency controller 14 controls the Motor current of the drive motor 12 always exactly such that the drive motor 12 a predetermined speed curve, i. Driving curve, follows.

Landscapes

  • Elevator Control (AREA)
  • Elevator Door Apparatuses (AREA)
EP04027163A 2003-11-21 2004-11-16 Système d'ascenseur avec un dispositif de sécurité pour porte d'ascenseur Withdrawn EP1535876A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10354591 2003-11-21
DE2003154591 DE10354591B4 (de) 2003-11-21 2003-11-21 Aufzuganlage

Publications (2)

Publication Number Publication Date
EP1535876A2 true EP1535876A2 (fr) 2005-06-01
EP1535876A8 EP1535876A8 (fr) 2005-12-21

Family

ID=34442273

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04027163A Withdrawn EP1535876A2 (fr) 2003-11-21 2004-11-16 Système d'ascenseur avec un dispositif de sécurité pour porte d'ascenseur

Country Status (2)

Country Link
EP (1) EP1535876A2 (fr)
DE (1) DE10354591B4 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011054674A1 (fr) 2009-10-26 2011-05-12 Inventio Ag Circuit de sécurité dans un système d'ascenseur

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19826039C2 (de) * 1998-06-12 2000-04-06 Schmitt & Sohn Gmbh & Co Überbrückungsschaltung

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011054674A1 (fr) 2009-10-26 2011-05-12 Inventio Ag Circuit de sécurité dans un système d'ascenseur
CN102596780A (zh) * 2009-10-26 2012-07-18 因温特奥股份公司 电梯设备中的安全电路
KR20120092116A (ko) * 2009-10-26 2012-08-20 인벤티오 아게 엘리베이터 시스템의 안전 회로
CN102596780B (zh) * 2009-10-26 2014-08-06 因温特奥股份公司 电梯设备中的安全电路
RU2543476C2 (ru) * 2009-10-26 2015-02-27 Инвенцио Аг Предохранительная цепь в лифтовой установке
US9061863B2 (en) 2009-10-26 2015-06-23 Inventio Ag Safety circuit in an elevator system

Also Published As

Publication number Publication date
EP1535876A8 (fr) 2005-12-21
DE10354591B4 (de) 2007-02-22
DE10354591A1 (de) 2005-06-30

Similar Documents

Publication Publication Date Title
EP2096010B1 (fr) Système de freinage pour un chariot de manutention
EP1141590B1 (fr) Commande electronique-hydraulique pour systemes d'entrainement de vehicules a changement de rapport automatique
EP4077188B1 (fr) Dispositif de commande pour un systeme d'ascenseur dans un mode d'inspection et systeme d'ascenseur
DE602004000438T2 (de) Vorrichtung für das Verhindern eines unbeabsichtigten Bremsens angepasst an eine elektromechanischen Bremse
WO2016091777A1 (fr) Dispositif de déverrouillage, système d'ascenseur muni d'un dispositif de déverrouillage, et procédé permettant d'actionner un dispositif de déverrouillage
EP3814267A1 (fr) Système de commutation de sécurité et procédé destiné à la commutation d'une installation d'ascenseur entre un mode de fonctionnement normal et un mode de fonctionnement d'inspection
WO2019086205A1 (fr) Dispositif de surveillance de sécurité destiné à surveiller des états relatifs à la sécurité dans une installation de transport de personnes ainsi que procédé destiné à faire fonctionner ce dernier
DE112014006373T5 (de) Elektromotor mit Bremse
EP2700607A2 (fr) Agencement, module et procédé de fonctionnement sûr d'une installation
DE102014013500A1 (de) Förderanlage mit Sicherheitsfunktion
EP3774628A1 (fr) Système d'ascenseur
DE10016200B4 (de) Übergeschwindigkeits-Schaltersystem
DE10354591B4 (de) Aufzuganlage
DE2031690A1 (de) Motorsteuerungssystem veränderlicher Spannung
DE102021110606A1 (de) Bremseinheit mit einer Magnetbremse für elektrisch angetriebene Hebezeuge
EP2463223B1 (fr) Dispositif de contrôle de la position d'arrêt d'une cabine d'ascenseur
DE19826039C2 (de) Überbrückungsschaltung
EP3301051A1 (fr) Ascenseur comprenant un éclairage de cage
DE10133532C2 (de) Sicherheitsschaltung zur Erzeugung eines Freigabesignals an eine Steuerung
DE19643408C2 (de) Notbetriebssteuerung für ein Hebezeug
DE530805C (de) Motorantrieb mit selbsttaetiger Feineinstellung
EP2836453B1 (fr) Dispositif de surveillance d'une installation d'élévation
DE1506484C (de) Notschaltung für einen Aufzug
DE708044C (de) Sicherheitsschaltung fuer elektrische Hebezeuge u. dgl.
EP1323662A1 (fr) Procédé pour stopper un dispositif de transport pour personnes

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LU MC NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL HR LT LV MK YU

RTI1 Title (correction)

Free format text: ELEVATOR SYSTEM

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20090603