EP1053206A1 - Dispositif de freinage et procede pour freiner des escaliers ou des trottoirs roulants - Google Patents

Dispositif de freinage et procede pour freiner des escaliers ou des trottoirs roulants

Info

Publication number
EP1053206A1
EP1053206A1 EP99906137A EP99906137A EP1053206A1 EP 1053206 A1 EP1053206 A1 EP 1053206A1 EP 99906137 A EP99906137 A EP 99906137A EP 99906137 A EP99906137 A EP 99906137A EP 1053206 A1 EP1053206 A1 EP 1053206A1
Authority
EP
European Patent Office
Prior art keywords
brake
braking
frequency converter
standstill
escalator
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
EP99906137A
Other languages
German (de)
English (en)
Other versions
EP1053206B1 (fr
Inventor
Ludwig Balzer-Apke
Dirk Lange
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.)
Kone Corp
Original Assignee
Kone Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7856325&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1053206(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Kone Corp filed Critical Kone Corp
Publication of EP1053206A1 publication Critical patent/EP1053206A1/fr
Application granted granted Critical
Publication of EP1053206B1 publication Critical patent/EP1053206B1/fr
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B25/00—Control of escalators or moving walkways
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B29/00—Safety devices of escalators or moving walkways
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
    • B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
    • B66D5/24—Operating devices
    • B66D5/30—Operating devices electrical

Definitions

  • the invention relates to a method for braking the step or pallet belt of an escalator or an escalator.
  • the flywheel mass on the motor is usually used at the same time as a braking drum, the flywheel mass, which is to be designed as a function of the dimensions of the escalator or moving walk, causing the braking distance to be maintained within the predetermined limits.
  • the essential criteria for the design of the flywheel mass are the load caused by the number of people on escalators and, in the case of moving walks, essentially the length in connection with the person load on them.
  • the drive motor When the brake is applied, the drive motor is disconnected from the power supply.
  • the brake is triggered when the emergency stop is actuated and when safety switches in the existing safety chain are activated.
  • a disadvantage of the known brake is that the braking distance depends on the load, no equal braking distances - since depending on the load - can be maintained, and that certain design dimensions (e.g. excess length of moving walkways) require such large flywheels that there are technical limits for the placement can be achieved.
  • certain design dimensions e.g. excess length of moving walkways
  • the aim of the subject matter of the invention is, on the one hand, to design a different type of braking method and, on the other hand, a braking device that differs from the St.dT in order to increase the safety and to comply with the braking distances (downward and upward) required in the relevant standards and to reduce the mechanical effort (flywheel masses) that is no longer load-dependent and largely free of wear.
  • This goal is achieved on the one hand by a method for braking the step or pallet belt of an escalator or an escalator regardless of the load, in that when at least one safety element responds, at least one frequency converter interacting with the drive motor is activated in such a way that a time-dependent braking ramp is activated, via which the speed of the step or pallet belt is brought up to the value 0 m / s essentially with constant deceleration.
  • a braking device for the step or pallet belt of an escalator or moving walk with a service brake and a standstill brake (additional brake)
  • the service brake being formed by at least one frequency converter that is operatively connected to the drive motor
  • the standstill brake is an electro-mechanical brake which can be brought into operative connection with components of the drive motor, in particular a shoe brake.
  • the service brake is free of wear - low mechanical effort (reduction of the flywheel masses towards zero)
  • the invention thus makes use of an exclusively electrically operating service brake.
  • the contacts of the main switching elements (contactors) of the motor circuit for braking the escalator or the escalator are kept closed, although the safety chain is interrupted by triggering one or more safety elements.
  • the further developments according to the invention ensure that in the event of malfunction of the frequency converter and after the escalator has come to a standstill, the auxiliary brake is applied reliably.
  • a possible power failure must be considered like a service brake failure, i.e. the additional brake must be triggered by monitoring the supply voltage or it must apply automatically.
  • All cut-off contacts in a current path preferably act on two contactors (redundancy), in particular connected in parallel, which both control the main switching elements during the frequency converter braking process and also ensure that the additional brake is applied immediately in the event of deviations.
  • An additional safety device can then ensure that the additional brake is applied after a time to be determined (e.g. via two separate time relays). In the event that the time relays and / or the monitoring contacts do not work properly, they are evaluated with an error message and a switch-on lock.
  • the speed of the escalator or moving walk can thus be brought down to the value 0 m / s with essentially constant deceleration.
  • the mechanical brake is applied as a holding brake.
  • the braking ramp of the frequency converter is activated and braked with a uniform deceleration while observing the braking distance required in the corresponding guidelines. If the frequency converter exceeds the set curve for the braking ramp in the event of a fault, the additional brake is applied immediately to ensure that the braking distance is maintained.
  • the deviation from the specified ramp is used as a criterion for the early entry.
  • the evaluation is preferably carried out via a microprocessor in the electronic control of the escalator or escalator.
  • both the frequency converter and the electronic control receive incorrect information, which means that the motor does not experience a speed reduction or does not run through the specified braking ramp, the brake must be applied and the frequency converter must be disconnected from the motor connection at the latest after a monitoring time has expired.
  • Figure 1 Graphical representation of the speed behavior when braking an escalator or a moving walk in comparison St. d. T. - Subject of the invention
  • FIG 2 basic illustration of a frequency converter-controlled service brake of a drive motor for an escalator, not shown
  • Figure 3 basic representation of a frequency converter-controlled service brake extended by safety elements for a moving walkway, not shown.
  • FIG. 1 shows the previous St.D.T. with electro-mechanical shoe brake as service brake and on the other hand safety-related braking via frequency converter.
  • the speed is plotted against time.
  • Area a is the minimum braking distance defined in the applicable guidelines, while b defines the maximum permissible braking distance.
  • the reference numerals 1 and 2 in connection with c define the spread between the minimum braking distance a and the maximum braking distance b that can be achieved by means of the load-dependent electro-mechanical brake.
  • Reference number 3 indicates safety-related braking via frequency converters with / without load, with a defined braking distance over a predetermined time being always realizable in the case of load-independent braking (braking ramp).
  • the speed of the escalator or escalator is thus brought to a value of 0 m / s with constant deceleration.
  • the braking ramp of the frequency converter is activated and braked with a substantially uniform deceleration, while maintaining the required braking distance.
  • a standstill brake additional brake not shown here is applied.
  • FIG. 2 shows a basic diagram of the braking process using a frequency converter, the following components being recognizable:
  • an electrical or electronic control 5 a frequency converter 6, a switch-off element 7, a brake magnet 8 for an electro-mechanical additional brake 9 (standstill brake) in the form of a shoe brake.
  • the energy flow is shown continuously, while the control signals are shown in dashed lines.
  • the energy supply is addressed with reference number 10.
  • the electrical or electronic control 5 is here via control lines 11, 12, 13 on the one hand with the frequency converter 6 and the shutdown element 7 and on the other hand with the brake magnet 8 in operative connection.
  • the frequency converter 6 is connected to the switch-off element 7 via the control line 14.
  • the contacts 15 of the shutdown element 7 must be brakes on the escalator are kept closed, although the safety chain, not shown here, is interrupted.
  • FIG. 3 shows a braking device that is essentially equivalent to FIG. 2 with the components drive motor 4, frequency converter 6, electrical or electronic control 5, switch-off element 7 and brake magnet 8 and additional brake 9.
  • further safety elements namely double mechanical / electrical timing elements 19, 20 are provided, which in turn are operatively connected to the shutdown element 7 via control lines 21 and the control line 22 to the electronic control 5.
  • These additional safety elements ensure that in the event of malfunction of the frequency converter 6 or the electronic control 5 and after the moving walkway, which is not shown in more detail here, has come to a standstill, the additional brake 9 engages safely.
  • the braking ramp (3) shown in Figure 1 is constantly monitored for overshoot or undershoot.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Escalators And Moving Walkways (AREA)
  • Braking Arrangements (AREA)

Abstract

L'invention concerne un procédé permettant de freiner indépendamment de la charge, la bande de marches ou de palettes d'un escalier ou d'un trottoir roulant, selon lequel sur déclenchement d'au moins un élément de sécurité, au moins un convertisseur de fréquences coopérant avec le moteur d'entraînement est actionné de manière à activer une rampe de freinage asservie au temps, qui amène la vitesse de la bande de marches ou de palettes avec un ralentissement sensiblement constant, jusqu'à la valeur de 0 m/s.
EP99906137A 1998-02-02 1999-01-16 Dispositif de freinage et procede pour freiner des escaliers ou des trottoirs roulants Revoked EP1053206B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19803899A DE19803899C2 (de) 1998-02-02 1998-02-02 Verfahren zum Abbremsen von Rolltreppen bzw. Rollsteigen sowie Bremseinrichtung für Rolltreppen bzw. Rollsteige
DE19803899 1998-02-02
PCT/EP1999/000230 WO1999038792A1 (fr) 1998-02-02 1999-01-16 Dispositif de freinage et procede pour freiner des escaliers ou des trottoirs roulants

Publications (2)

Publication Number Publication Date
EP1053206A1 true EP1053206A1 (fr) 2000-11-22
EP1053206B1 EP1053206B1 (fr) 2002-04-03

Family

ID=7856325

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99906137A Revoked EP1053206B1 (fr) 1998-02-02 1999-01-16 Dispositif de freinage et procede pour freiner des escaliers ou des trottoirs roulants

Country Status (8)

Country Link
US (1) US6273234B1 (fr)
EP (1) EP1053206B1 (fr)
JP (1) JP3629207B2 (fr)
CN (1) CN1116219C (fr)
AT (1) ATE215512T1 (fr)
DE (2) DE19803899C2 (fr)
HK (1) HK1033663A1 (fr)
WO (1) WO1999038792A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3462597A1 (fr) * 2017-09-28 2019-04-03 Otis Elevator Company Freinage d'urgence pour un système d'entraînement

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10018887B4 (de) 2000-04-14 2005-02-10 Kone Corp. Verfahren und Einrichtung zur Regelung der Bremse(n) einer Personenförderanlage
DE20107854U1 (de) * 2001-05-09 2002-09-19 Gerdes Anton Bewegliches Tor
DE10128840A1 (de) * 2001-06-15 2003-01-09 Otis Elevator Co Verfahren und Vorrichtung zur Steuerung des Antriebs einer Fördereinrichtung
DE10146896A1 (de) * 2001-09-24 2003-05-22 Siemens Ag Antriebssystem
CN1239378C (zh) 2001-12-24 2006-02-01 因温特奥股份公司 停止人员输送设备运行的方法及监控制动装置的安全电路
EP1323662B1 (fr) * 2001-12-24 2017-05-10 Inventio AG Procédé pour stopper un dispositif de transport pour personnes
EP1323661B1 (fr) * 2001-12-24 2018-10-10 Inventio AG Procédé pour stopper un dispositif de transport pour personnes
WO2003099686A1 (fr) * 2002-05-20 2003-12-04 Otis Elevator Company Mecanisme de commande d'un escalier mecanique avec detection des defaillances et equipement de secours
US6971496B1 (en) * 2004-07-09 2005-12-06 Kone Corporation Escalator braking with multiple deceleration rates
IL178466A (en) * 2005-10-21 2011-05-31 Inventio Ag Transportation system for passengers especially escalators or conveyor belts
JP4267643B2 (ja) * 2006-06-28 2009-05-27 株式会社日立製作所 乗客コンベア
FI121493B (fi) * 2007-07-26 2010-11-30 Kone Corp Sähkömoottorikäyttö
EP2421786B1 (fr) * 2009-04-20 2018-12-26 Otis Elevator Company Ajustement automatique de paramètres pour dispositif de sécurité
EP2443057B1 (fr) * 2009-06-16 2017-05-31 Otis Elevator Company Frein d'arbre d'entraînement principal à double solénoïde pour escalier mécanique
EP3008007B1 (fr) * 2013-06-13 2017-03-29 Inventio AG Procédé de freinage pour une installation de transport de personnes, commande de freinage pour la réalisation du procédé de freinage et installation de transport de personnes dotée d'une commande de freinage
CN103482440B (zh) * 2013-09-26 2015-06-24 苏州汇川技术有限公司 施工升降机制动控制系统及方法
CN105745170B (zh) 2013-11-18 2018-07-03 奥的斯电梯公司 用于乘客输送系统的制动器
CN105813970B (zh) 2013-12-12 2019-04-12 奥的斯电梯公司 用于在驱动系统中使用的安全系统
CN104150338B (zh) * 2014-08-08 2016-05-18 江苏蒙哥马利电梯有限公司 一种飞轮代替砝码测试自动扶梯制动能力的方法
WO2017036509A1 (fr) 2015-08-31 2017-03-09 Otis Elevator Company Unité d'entraînement de convoyeur avec initialisation de l'unité d'alimentation électrique adaptative et identification du moteur
JP6849005B2 (ja) * 2019-03-29 2021-03-24 フジテック株式会社 乗客コンベア

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CA995792A (en) * 1972-09-29 1976-08-24 Michio Imanaka Braking system for an electrically-operated road such as an escalator
FR2464912A1 (fr) * 1979-09-14 1981-03-20 Najman Alain Dispositif de freinage electronique reglable dans un escalier mecanique " escalator " ou dans une commande d'ascenseur
FI841100A0 (fi) * 1984-03-19 1984-03-19 Kone Oy Foerfarande och anordning foer inbromsning av rulltrappor.
US4588065A (en) * 1984-08-27 1986-05-13 Westinghouse Electric Corp. Escalator with controlled brake
US4631467A (en) * 1985-05-28 1986-12-23 Otis Elevator Company Escalator passenger flow control
FI922326A0 (fi) * 1992-02-27 1992-05-21 Electromotive Systems Inc Bromsmanoeverings-kontrollkretssystem foer anvaendning vid mikroprocessor baserad motorstyrning.
JPH107382A (ja) * 1996-06-21 1998-01-13 Mitsubishi Electric Corp クレーンの制御装置
US6049189A (en) * 1996-10-29 2000-04-11 Otis Elevator Company Variable speed passenger conveyor and method of operation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9938792A1 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3462597A1 (fr) * 2017-09-28 2019-04-03 Otis Elevator Company Freinage d'urgence pour un système d'entraînement

Also Published As

Publication number Publication date
CN1116219C (zh) 2003-07-30
DE19803899A1 (de) 1999-08-12
WO1999038792A1 (fr) 1999-08-05
JP3629207B2 (ja) 2005-03-16
US6273234B1 (en) 2001-08-14
DE19803899C2 (de) 2000-04-13
DE59901115D1 (de) 2002-05-08
ATE215512T1 (de) 2002-04-15
JP2002501870A (ja) 2002-01-22
CN1288440A (zh) 2001-03-21
EP1053206B1 (fr) 2002-04-03
HK1033663A1 (en) 2001-09-14

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