EP1040073B1 - Sicherheitseinrichtung für rolltreppen und rollsteige - Google Patents

Sicherheitseinrichtung für rolltreppen und rollsteige Download PDF

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Publication number
EP1040073B1
EP1040073B1 EP98950113A EP98950113A EP1040073B1 EP 1040073 B1 EP1040073 B1 EP 1040073B1 EP 98950113 A EP98950113 A EP 98950113A EP 98950113 A EP98950113 A EP 98950113A EP 1040073 B1 EP1040073 B1 EP 1040073B1
Authority
EP
European Patent Office
Prior art keywords
processors
monitoring
processor
driving motor
safety
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.)
Expired - Lifetime
Application number
EP98950113A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1040073A1 (de
Inventor
Ludwig Balzer-Apke
Andreas Tautz
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
Application filed by Kone Corp filed Critical Kone Corp
Publication of EP1040073A1 publication Critical patent/EP1040073A1/de
Application granted granted Critical
Publication of EP1040073B1 publication Critical patent/EP1040073B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B29/00—Safety devices of escalators or moving walkways
    • B66B29/005—Applications of security monitors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B25/00—Control of escalators or moving walkways

Definitions

  • the invention relates to a device for monitoring functional units on escalators and escalators, consisting of several independently Controllable parameters of the respective functional unit that can be predetermined from one another Processors.
  • Escalators and escalators must be applicable domestic and foreign Safety regulations must be equipped so that they shut down automatically before the speed, for example, 1.2 times the value of Rated speed exceeds. This requirement is known by the 3 monitoring devices based on shooters or their Gunner is taken into account, but the construction effort is considered viewed too high.
  • US 5,526,256 is a control device for passenger conveyor systems known.
  • a first and a second microcomputer are provided, the first microcomputer using switches for starting of the passenger conveyor system responsible security elements in Active connection is established. The results are used to commission the passenger conveyor system used.
  • the second microcomputer monitors the behavior of safety devices based on input signals the same. If one of the microcomputers fails, the passenger conveyor system will not shut down, rather the second microcomputer takes over the functions the first, which creates significant risks in the continued operation of the passenger conveyor system can arise because the error is not fixed but is only relocated.
  • the object of the invention is to provide a monitoring device for To provide escalators and moving walks that are today's technical Opportunities and compared to the previous one in this area well-known St. d. T. much cheaper on the one hand and on the other hand is more powerful with a smaller size.
  • the monitoring device should also be flexible in adapting to different domestic and international foreign security standards. A shutdown of the passenger conveyor system should be ensured in any case if problems arise.
  • processors are independent from each other simultaneously to monitor the drive motor for the steps or the pallets and / or the drive motor for the or Handrails are provided and in particular the speed (s) of the or monitor the drive motors, the processors with safety contacts to stop the passenger conveyor system immediately are connected, and that the processors are operatively connected to at least Another processor are available for control and / or diagnosis is provided by non-safety-relevant functional units.
  • the principle of the monitoring device according to the invention is thus based on on the basis of safety regulations applicable in Germany and abroad mutual monitoring of the processors if necessary.
  • This at Escalators and escalators have never been used before on the one hand more security-relevant and on the other hand not more security-relevant Functional units correspond to the current state of technology and also meets the relevant domestic and foreign security standards, problems occurring in the field of functional units and / or Processors in any case leads to the shutdown of the passenger conveyor system.
  • the construction effort is compared to the St. d. T. much cheaper.
  • the Monitoring device is flexible to domestic and foreign security regulations adaptable, the constructive structure with regard to stockpiling remains essentially the same and, if necessary, individual possible functions - adapted to the respective standard - are not active.
  • the safety-relevant Processors serving functional units with at least one further one Processor in operative connection, for example for control and / or the fault diagnosis should be provided and if necessary also on the same Circuit board can be arranged.
  • microprocessors for monitoring the safety-relevant ones Functional units used, in particular the Speed of the respective functional unit (drive motor steps / pallets / Handrail). With two microprocessors there is a redundant one Monitoring of two speeds takes place during four microprocessors if required for speed monitoring of 2 x 2 speeds can be used.
  • safety-related hardware consisting of at least 2 processors, corresponding to two channels (redundancy), in connection with a comparator channel via the software and control of the comparator.
  • a so-called local peripheral bus can also be used for expansion purposes be provided.
  • Figure 1 shows a control of an escalator not shown here with integrated motor monitor as a basic sketch that complies with the European standard should be enough.
  • circuit board A the drive motor 1 for the steps of the escalator, microprocessors 2, 3, for the safety-relevant speed monitoring of the drive motor 1, another microprocessor 4 for the control and diagnosis of non-safety-related escalator functions, e.g. B. the direction selection, which is operatively connected to a serial interface 5 for data exchange.
  • the dashed line is only intended to visually separate the functions Monitoring (microprocessors 2, 3) and diagnosis or control (Microprocessor 4) are indicated. These components are from manufacturing and Functional reasons all arranged on the same board A, but are only partially in line with the applicable standard or put into operation entirely.
  • a local peripheral bus 6 can optionally be provided for expansion purposes become.
  • Sensors 7, 8 are offset from one another on the drive motor 1 arranged, the 2 x the speed of the drive motor 1, for example its output shaft, measure and in corresponding digitally usable impulses convert that then via signal lines 9, 10 to the person responsible Microprocessor 2 or 3 can be made available.
  • microprocessors 2, 3 are connected to one another via further data lines 11 connected so that mutual monitoring is ensured. Consequently the microprocessors 2, 3 not only check themselves for locally occurring ones Faults, but also check that the other microprocessor 3, 2 supplied, in this example speed pulses are in the tolerance range.
  • the reference numerals 12, 13 are the power supply of the so-called safety chain and on the other hand the power supply the controller itself.
  • the microprocessors are located over the data line 14 2, 3 with the microprocessor responsible for control and diagnosis 4 in operative connection.
  • the microprocessor is used 2 or 3 of the contacts 15, 16 safety relays not shown here actuated, which leads to the immediate escalation of the escalator.
  • the microprocessor is used 2 or 3 of the contacts 15, 16 safety relays not shown here actuated, which leads to the immediate escalation of the escalator.
  • the microprocessor is used 2 or 3 of the contacts 15, 16 safety relays not shown here actuated, which leads to the immediate escalation of the escalator.
  • optocoupler inputs 17 which are connected to contacts 18, 19, 20 further security elements 21, 22, 23, z. B. emergency stop contacts connected are.
  • the microprocessor 4 is also still operatively connected to digital inputs 32 and digital outputs 33 for control tasks, e.g. B. the an energy saving control.
  • FIG. 2 also shows the control of one as a block diagram shown moving walks, which should meet the US standards (ANSI). Same Components, as in Figure 1, are given the same reference numerals.
  • the drive motor 1 is shown in connection with only one sensor 7. Two more are used to drive the handrail (not shown) Electric motors 24, 25, to which sensors 26, 27 are also attached.
  • the drive motors 1, 24, 25 with two are connected via signal lines 10, 28, 29 Microprocessors 2 ', 3' for evaluating the safety-relevant signals in Operatively connected.
  • Another microprocessor 4 is connected to the processors via the data line 14 2 ', 3' connected.
  • Mutual monitoring of the two microprocessors 2 ', 3' is not necessary here because the US standards danz does not currently prescribe. For manufacturing reasons, this is Function - even if it should not be used here - is nevertheless provided, because safety regulations are subject to constant further development.
  • Figure 3 shows a further alternative control, which is a combination of Figures 1 and 2 represents.
  • the drive motor 1 of an escalator is also intended here on the one hand (not shown) and on the other hand, the electric motors 24, 25 for the Handrails (not shown) are monitored.
  • Two microprocessors 2, 3 are provided for this purpose the monitoring of the drive motor 1 and two microprocessors 3 ', 3 "for the monitoring of the electric motors 24, 25. Via appropriate signal lines 9, 10, 28, 29 are sensors 7, 8, 26, 27 with the respective processor connected. Processors 2, 3, 3 ', 3 "are connected via data lines 14. with the already mentioned microprocessor 4 for those not relevant to security Control and diagnosis of the passenger conveyor system connected. The periphery can be seen on this page analogously to Figures 1 and 2.
  • the microprocessors 2, 3 are in accordance with Figure 1 with contacts connected, which immediately stops the escalator in the event of malfunctions cause.
  • the processors 3 ', 3 "interact with equivalent contacts 30, 31, the problems that arise in the area of the handrail drives 24, 25 (e.g. if a handrail breaks) the escalator is stopped immediately cause.
  • FIG. 4 shows a further alternative control, for example a moving walk. While previously only motors in operative connection with sensors have been shown as monitoring elements, this example is based on a single drive motor 34 which drives both the pallet belt (not shown) and the handrails via a mechanical tap (not shown). For the sake of a better overview, the same components are also provided with the same reference symbols.
  • S is used to denote further sensors in the field of mechanical tapping are provided for the handrails and z.
  • B. measure their speeds and provide these results as digital pulses via the signal lines 35, 36, 37, 38 to the microprocessors 2, 3.
  • a further sensor 7, 8 is arranged in the area of the drive motor and is operatively connected to the respective processor 2, 3 via an associated data line 9, 10.
  • processors 2, 3 monitor each other again.
  • the other components, such as in particular the further microprocessor 4 in operative connection with its periphery corresponding functions that have already been described in the previous examples.

Landscapes

  • Escalators And Moving Walkways (AREA)
EP98950113A 1997-12-04 1998-10-09 Sicherheitseinrichtung für rolltreppen und rollsteige Expired - Lifetime EP1040073B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19754141A DE19754141C2 (de) 1997-12-04 1997-12-04 Sicherheitseinrichtung für Rolltreppen und Rollsteige
DE19754141 1997-12-04
PCT/EP1998/006422 WO1999029612A1 (de) 1997-12-04 1998-10-09 Sicherheitseinrichtung für rolltreppen und rollsteige

Publications (2)

Publication Number Publication Date
EP1040073A1 EP1040073A1 (de) 2000-10-04
EP1040073B1 true EP1040073B1 (de) 2002-02-06

Family

ID=7850954

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98950113A Expired - Lifetime EP1040073B1 (de) 1997-12-04 1998-10-09 Sicherheitseinrichtung für rolltreppen und rollsteige

Country Status (8)

Country Link
US (1) US6230871B1 (ja)
EP (1) EP1040073B1 (ja)
JP (1) JP4695258B2 (ja)
CN (1) CN1119277C (ja)
AT (1) ATE212951T1 (ja)
DE (2) DE19754141C2 (ja)
HK (1) HK1031859A1 (ja)
WO (1) WO1999029612A1 (ja)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19849238C1 (de) * 1998-10-26 2000-03-09 O & K Rolltreppen Gmbh Verfahren zur Abschaltung von Personenförderanlagen sowie Sicherheitskreis für Personenförderanlagen
DE10018887B4 (de) 2000-04-14 2005-02-10 Kone Corp. Verfahren und Einrichtung zur Regelung der Bremse(n) einer Personenförderanlage
DE10027490C2 (de) * 2000-06-02 2003-12-04 Kone Corp Sicherheitseinrichtung für Rolltreppen und Rollsteige
US6267219B1 (en) * 2000-08-11 2001-07-31 Otis Elevator Company Electronic safety system for escalators
US7407048B2 (en) * 2006-08-21 2008-08-05 Kone Corporation Safety switch and method of checked redundancy
JP5344797B2 (ja) * 2007-03-13 2013-11-20 東芝エレベータ株式会社 エスカレータの機能可変型遠隔監視システム
US7699157B2 (en) * 2007-05-25 2010-04-20 Rockwell Automation Limited Safety arrangement
JP5033529B2 (ja) * 2007-07-25 2012-09-26 株式会社日立ビルシステム 乗客コンベアのハンドレール駆動力監視装置
DE102008009458A1 (de) * 2008-02-15 2009-08-20 Kone Corp. Rolltreppe oder Rollsteig
CN101264843B (zh) * 2008-03-05 2010-06-02 上海中业电梯有限公司 自动扶梯运行安全监控方法及装置
JP5559305B2 (ja) 2009-04-20 2014-07-23 オーチス エレベータ カンパニー 安全装置用パラメータの自動調節
CN102448868B (zh) * 2009-06-01 2014-01-29 三菱电机株式会社 扶手驱动装置的控制装置
DE102012003178B4 (de) * 2012-02-17 2018-03-22 Kone Corp. Einrichtung zur Überwachung der Funktion einer Rolltreppe oder eines Rollsteiges
CN103224189A (zh) * 2013-03-18 2013-07-31 康力电梯股份有限公司 一种扶梯及人行道安全监测系统
US10071881B2 (en) * 2013-12-12 2018-09-11 Otis Elevator Company Safety system for use in a drive system
DE102014117373A1 (de) 2014-11-26 2016-06-02 Thyssenkrupp Ag Aufzugsystem
FI125862B (fi) * 2015-01-28 2016-03-15 Kone Corp Sähköinen turvallisuuslaite sekä kuljetinjärjestelmä
US10351392B1 (en) * 2018-10-23 2019-07-16 Otis Elevator Company Escalator and moving walkway system with safety sensor
DE102021215022A1 (de) 2021-02-25 2022-08-25 KSMA Karl-Heinz Sitzler Maschinen- und Anlagenbau GmbH Anhänger
CN116768008A (zh) * 2022-03-08 2023-09-19 奥的斯电梯公司 用于自动扶梯的安全链装置和安全保护系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5556968A (en) * 1978-10-19 1980-04-26 Hitachi Ltd System for controlling elevator rescue operation
JP2609283B2 (ja) * 1988-05-09 1997-05-14 株式会社日立ビルシステムサービス 乗客コンベアの監視装置
JPH0729749B2 (ja) * 1989-07-21 1995-04-05 株式会社日立製作所 乗客コンベアの制御装置
JPH0747460B2 (ja) * 1990-03-02 1995-05-24 株式会社日立製作所 乗客コンペアの制御装置

Also Published As

Publication number Publication date
DE19754141C2 (de) 2000-05-25
HK1031859A1 (en) 2001-06-29
JP4695258B2 (ja) 2011-06-08
CN1282305A (zh) 2001-01-31
JP2001525309A (ja) 2001-12-11
WO1999029612A1 (de) 1999-06-17
EP1040073A1 (de) 2000-10-04
DE59803041D1 (de) 2002-03-21
DE19754141A1 (de) 1999-06-17
ATE212951T1 (de) 2002-02-15
CN1119277C (zh) 2003-08-27
US6230871B1 (en) 2001-05-15

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