EP0722903A1 - Méthode et dispositif pour générer de l'information de cage d'une cage d'ascenseur - Google Patents

Méthode et dispositif pour générer de l'information de cage d'une cage d'ascenseur Download PDF

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Publication number
EP0722903A1
EP0722903A1 EP96100090A EP96100090A EP0722903A1 EP 0722903 A1 EP0722903 A1 EP 0722903A1 EP 96100090 A EP96100090 A EP 96100090A EP 96100090 A EP96100090 A EP 96100090A EP 0722903 A1 EP0722903 A1 EP 0722903A1
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EP
European Patent Office
Prior art keywords
pattern
elevator
code
shaft
elevator car
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
EP96100090A
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German (de)
English (en)
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EP0722903B1 (fr
Inventor
Bernhard Gerstenkorn
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Inventio AG
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Inventio AG
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Publication date
Application filed by Inventio AG filed Critical Inventio AG
Publication of EP0722903A1 publication Critical patent/EP0722903A1/fr
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Publication of EP0722903B1 publication Critical patent/EP0722903B1/fr
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
    • B66B1/00—Control systems of elevators in general
    • B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
    • B66B1/3492—Position or motion detectors or driving means for the detector

Definitions

  • the invention relates to a method and a device for generating shaft information for an elevator shaft, which serves to control the elevator, with an elevator car which can be moved in the elevator shaft and a readable code arranged in the elevator shaft.
  • an elevator with an elevator shaft in which a coded tape is arranged above the shaft height.
  • the coding consists of openings in the band arranged in two tracks.
  • a light transmitter and an optoelectronic receiver are arranged on an elevator car that can be moved in the elevator shaft.
  • the coded band runs between the light transmitter and the receiver, so that the light rays from the light transmitter either reach the optoelectronic receiver through the openings in the band or are interrupted by the band.
  • a disadvantage of the known device is that the length of the elevator shaft and thus the coded tape result in inaccurate car positions.
  • Another disadvantage is the great effort involved in fastening the band in the elevator shaft. In order to avoid misinformation, the belt must be supported precisely over the entire shaft height. In addition, inaccuracies in the guidance of the elevator car can have a negative impact on the reliability of the shaft information.
  • Another disadvantage is that the coded tape protrudes from the shaft wall and into the Chimney protrudes. The shaft cross section must accordingly be dimensioned larger.
  • Another disadvantage with regard to the proof of security is that it cannot be distinguished whether a light transmitter or receiver is defective or whether the light beam is interrupted by the coded tape. The error case can therefore not be distinguished from a normal function.
  • the invention seeks to remedy this.
  • the invention as characterized in the claims, achieves the object of avoiding the disadvantages of the known device and of creating a device in which the reliability of the shaft information generated is improved.
  • the advantage achieved by the invention can essentially be seen in the fact that the safety of the elevator can be guaranteed with the improved reliability of the shaft information. Incorrect shaft information triggered by damaged or defective parts is recognized with the device according to the invention and does not lead to incorrect results. For example, the bridging of door contacts is not triggered when the elevator car moves into a stop if the shaft information required for this is incorrect.
  • Another advantage can be seen in the fact that several functions, for example position monitoring, speed monitoring, door circuit bridging and self-diagnosis, can be carried out with the same device and shaft information. This fulfills the requirement for intrinsic safety.
  • the invention is explained in more detail below with the aid of an exemplary embodiment for bridging door contacts on the basis of shaft information.
  • the floor and cabin doors are opened prematurely to save time.
  • the door contacts in the safety circuit of the elevator control system must therefore be bridged by a safety device that is dependent on the shaft information. The same applies to the adjustment of the elevator car, which is lowered by rope stretching, with the doors open.
  • the areas in which the bridging of the door contacts when entering and adjusting the elevator car is permitted and must be monitored by the inventive safety device can be seen from the diagram in FIG. 1.
  • On the vertical axis of the diagram is the position + P of the elevator car above a stop and the position -P of the elevator car below the Stop shown. In position P 0 the threshold of the elevator car is flush with the stop.
  • the speed is marked v on the horizontal axis.
  • the position and the speed at which the door contacts can be bridged when retracting is designated + P E and -P E or v E.
  • the position and the speed at which readjustment with bridged door contacts is permitted is denoted by + P N and -P N or v N.
  • FIG. 2 shows an elevator shaft 1 in the area of a stop with a reflector 2 on which a code 3, for example a 2-zone code, a one- or two-dimensional bar code or a point code, is arranged.
  • a code 3 for example a 2-zone code, a one- or two-dimensional bar code or a point code
  • a 2-zone code 3 is used.
  • the code 3 is arranged in a first track 4 and a second track 5.
  • both tracks 4, 5 are identical in pattern, but they can also be different.
  • the level of the stop is shown with the broken line H 0 , to which the code 3 is symmetrical.
  • a drive-in area B E in which the door contacts can be bridged, is half above and below the level line H 0 .
  • a readjustment area B N in which, with bridged door contacts, readjustment of an elevator car 6 which lowers due to rope expansion when the doors are open, is half above and below the level line H 0 .
  • the code 3 of the first track 4 and the second track 5 is recorded and evaluated by a 2-channel evaluation device 7 arranged on the elevator car 6, both channels being identical.
  • a first transmitter 8 of the evaluation device 7 illuminates the first track 4 of the reflector 2
  • a second transmitter 9 of the evaluation device 7 illuminates the second track 5 of the reflector 2.
  • the illuminated area of the first track 4 is on a first CCD sensor 10 of the evaluation unit 7 mapped, the illuminated surface of the second track 5 is mapped on a second CCD sensor 11 of the evaluation unit 7.
  • the optics 12.1 of the transmitter 8 shown in FIG. 3 and the optics 12.2 of the CCD sensor 10 are matched to one another in such a way that the illuminated surface of the reflector 2 is sharply imaged on the CCD sensor in a certain distance range, for example 10 to 30 mm .
  • FIG. 3 shows a block diagram of the evaluation device 7 shown in FIG. 2 with a first channel 12, a comparator 14 and a second channel 15.
  • the second channel 15 has the same structure as the first channel 13 and is therefore not shown.
  • the first channel 13 consists of the first transmitter 8 with the optics 12.1, the CCD sensor 10 with the optics 12.2, a pattern recognition logic MER, an interface INF, a computer CPU, which via a bus system BUS with a program and parameter memory ROM and is connected to a data memory RAM and to the pattern recognition logic MER and the interface INF and from a relay logic REL to which a relay 16 is connected. If the conditions for retracting or adjusting are met, the relay 16 bridges door contacts 17 of a safety circuit 18.
  • the results of the two channels 13, 15 are compared in the comparator 14 and errors are output in the event of unauthorized deviations.
  • the comparator 14 consists of a position comparator POC, a speed comparator SPC and an error collector FES.
  • a first release signal ENE of the elevator control allows the doors to be opened when the elevator car is retracted and a second release signal ENN of the elevator control allows the elevator car 6 to be readjusted when the doors are open.
  • the enable signals ENE, ENN can also be generated by the evaluation device 7 itself, since the necessary information is available is. When entering the insertion zone B E, the first enable signal NE is generated. When entering the adjustment range B N , the second enable signal ENN is generated. When leaving these areas, the enable signals ENE, ENN are reset.
  • a position signal output by the interface INF is designated POS and a speed signal output by the interface INF is designated SPE.
  • a first error signal FEP and in the event of unauthorized deviations in the speed comparator SPC, a second error signal FEG is output to the error collector FES.
  • the interface INF If the entry conditions are fulfilled, the interface INF generates an entry signal EBE and if the adjustment conditions are fulfilled, the interface INF generates an adjustment signal EBN.
  • the door contacts are only bridged if the first enable signal ENE and the entry signal EBE or the second enable signal ENN and the readjustment signal EBN are present at the relay logic REL at the same time.
  • a fault in the relay logic REL triggers a third error signal REF. If there are errors in the FES error collector, a fourth error signal REO switches the relay 16 off via the relay logic REL.
  • FIG. 4 shows a section of such an image in which a specific pattern with bright areas HB , Dark areas DB, light mids HM and dark mids DM is included.
  • the image of the CCD sensor 10, 11 is analyzed cyclically by the pattern recognition logic MER and by the computer CPU and the hardware is subjected to a cyclical test.
  • the program sequence is started with step S0.0.
  • step S0.1 hardware and software initialization is carried out.
  • a hardware test of the RAM, ROM, register etc. is then carried out in step S0.2.
  • the endless loop comprising steps S1 to S13 is carried out.
  • the endless loop has an approximately constant throughput time. Interrupts for time control are not permitted since the evaluation unit 7 is a safety-relevant device. If the captured image with the pattern of step S1 has clear bright areas HB and dark areas DB, the lengths of the bright areas HB and the dark areas DB and a pattern repetition distance MW determined by the distance between the dark centers DM are determined. In addition, the light centers HM and the dark centers DM are checked for uniformity by determining the percentage of the picture elements 19 with the same brightness values. For further processing, the data determined by the pattern recognition logic MER are transferred to the data memory RAM via the bus system BUS.
  • step S2 the computer CPU then compares the determined pattern with a reference pattern stored in the program and parameter memory ROM. For safety reasons, the uniformity of the light centers HM and the dark centers DM is also assessed in step S3. A too low percentage of the picture elements 19 with the same brightness values does not meet the entry and readjustment conditions. In the event of negative results of test steps S1 to S3, the entry condition or the adjustment condition are kept as not fulfilled via the INF interface.
  • step S4 the determined current pattern is compared with the last determined pattern and from this the shift of the determined Pattern calculated.
  • the current speed v of the elevator car 6 is calculated from the displacement and a sampling cycle time t A in step S5.
  • step S6 it is checked whether a pattern from the adjustment range B N has been detected.
  • step S6 If there is a positive test result of step S6, the current car speed v is compared in step S7 with the permitted speed v n for adjusting the elevator car 6.
  • a positive test result of step S7 triggers step S8, in which retraction and readjustment are communicated as permitted to the interface INF, which in step S9 outputs the entry signal EBE and the adjustment signal EBN to the relay logic REL.
  • a negative test result of steps S6 and S7 initialize step S10, in which the current car speed v is compared with the permitted speed v e for entering the elevator car 6. If the test step S10 has a negative result, the entry condition is kept as not fulfilled via the INF interface.
  • step S10 A positive test result in step S10 triggers step S11, in which entry INF is communicated as permitted, which in step S9 outputs the entry signal EBE to the relay logic REL. If an entry signal EBE or an adjustment signal EBN and a first release signal ENE or a second release signal ENN and no error signal REO is present, the relay 16 is switched on and the door contacts 17 are bridged.
  • the calculation of the position of the elevator car 6 is not shown in the flowchart in FIG. 5. It can be easily derived on the basis of the first pattern detected and the calculated pattern repetition distance MW.
  • the position signal POS derived therefrom not only serves for comparison with the position signal of the second channel but can also be used for fine positioning of the elevator car when entering the elevator control.
  • step S12 The hardware test of the RAM, ROM, register, etc., carried out in step S12 takes a long time overall. So that the endless loop consisting of steps S1 to S13 can be run through in a short and constant time, the hardware test is divided into test sections of the same duration. 6 shows an example with six test sections AS1 ... AS6. A variable shown as pointer ZEI points to the current test section AS2. When running through the loop, the ZEI pointer is set to the next section after the current test section has been processed, so that another test section is tested during the next loop run. In the present example, the entire test was carried out once after six loop runs. In step S13, the data determined in this way are output via the interface INF to the position comparator POC and to the speed comparator SPC.

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)
  • Types And Forms Of Lifts (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Multi-Process Working Machines And Systems (AREA)
  • Elevator Control (AREA)
EP96100090A 1995-01-20 1996-01-05 Méthode et dispositif pour générer de l'information de cage d'une cage d'ascenseur Expired - Lifetime EP0722903B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH15395 1995-01-20
CH153/95 1995-01-20
CH15395 1995-01-20

Publications (2)

Publication Number Publication Date
EP0722903A1 true EP0722903A1 (fr) 1996-07-24
EP0722903B1 EP0722903B1 (fr) 2000-05-31

Family

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EP96100090A Expired - Lifetime EP0722903B1 (fr) 1995-01-20 1996-01-05 Méthode et dispositif pour générer de l'information de cage d'une cage d'ascenseur

Country Status (15)

Country Link
US (1) US5821477A (fr)
EP (1) EP0722903B1 (fr)
JP (1) JP3888474B2 (fr)
CN (1) CN1042020C (fr)
AT (1) ATE193503T1 (fr)
AU (1) AU700778B2 (fr)
BR (1) BR9600159A (fr)
CA (1) CA2165247C (fr)
DE (1) DE59605329D1 (fr)
ES (1) ES2148595T3 (fr)
FI (1) FI112935B (fr)
HK (1) HK1012326A1 (fr)
MY (1) MY113334A (fr)
SG (1) SG54106A1 (fr)
ZA (1) ZA96443B (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19826039A1 (de) * 1998-06-12 1999-12-23 Schmitt & Sohn Gmbh & Co Überbrückungsschaltung
US6612403B2 (en) 2001-02-20 2003-09-02 Inventio Ag Method and apparatus for generating elevator car position information
EP2037227A1 (fr) * 2007-09-12 2009-03-18 Pepperl + Fuchs Gmbh Procédé et dispositif destinés à la détermination de la position d'un véhicule
CN101992981A (zh) * 2009-08-11 2011-03-30 东芝电梯株式会社 电梯的停靠检测装置
WO2012065920A1 (fr) * 2010-11-16 2012-05-24 Inventio Ag Bande codée pour un système d'ascenseur
WO2015055299A1 (fr) * 2013-10-14 2015-04-23 Cedes Ag Dispositif de codage ainsi que dispositif et procédé de détermination de position
CN112723060A (zh) * 2020-12-28 2021-04-30 浙江大学 基于双减速位移校正点的中速电梯长站平层系统和方法
CN112723061A (zh) * 2020-12-28 2021-04-30 浙江大学 融入ucmp的中速电梯开门再平层系统和方法
CN112723059A (zh) * 2020-12-28 2021-04-30 浙江大学 基于双减速位移校正点的中速电梯近站平层系统和方法

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US5918705A (en) * 1997-11-10 1999-07-06 Friend; Jeff Building elevator door restrictor
FR2812282B1 (fr) * 2000-07-31 2002-10-31 Thyssen Ascenseurs Systeme de gestion du fonctionnement d'une installation d'ascenseur
US6435315B1 (en) * 2000-12-11 2002-08-20 Otis Elevator Company Absolute position reference system for an elevator
DE50204874D1 (de) * 2001-05-31 2005-12-15 Inventio Ag Einrichtung zur ermittlung der position einer schienengeführten aufzugskabine mit codeträger
TW575518B (en) * 2001-07-31 2004-02-11 Inventio Ag Lift installation with a measuring system for determining absolute cage position
ITMI20010472U1 (it) * 2001-08-09 2003-02-09 Sematic Italia Spa Ascensore dotato di dispositivo di rilevazione porte
DE10141412C2 (de) * 2001-08-23 2003-12-04 Kone Corp Verfahren und Einrichtung zur Geschwindigkeitsüberwachung sich bewegender Bauteile von Personenförderanlagen
DE50209397D1 (de) * 2002-11-09 2007-03-15 Thyssenkrupp Elevator Ag Sicherheitseinrichtung für aufzugssystem mit mehreren aufzugskabinen in einem schacht
AU2003245277A1 (en) 2003-05-15 2005-01-21 Otis Elevator Company Absolute position reference system
WO2004106210A1 (fr) * 2003-05-15 2004-12-09 Otis Elevator Compagny Systeme de determination de la position absolue pour ascenseur faisant appel a des capteurs magnetiques
JP4423260B2 (ja) 2003-10-31 2010-03-03 オーチス エレベータ カンパニー 無線周波数ｉｄおよび低解像度ｃｃｄセンサを用いた位置決めシステム
JP2007521211A (ja) * 2003-11-26 2007-08-02 オーチス　エレベータ　カンパニー 自動調整式エレベータ位置決め基準システムの装置ならびに方法
WO2005115899A1 (fr) * 2004-05-28 2005-12-08 Mitsubishi Denki Kabushiki Kaisha Detecteur de joint de rail d'ascenseur et systeme ascenseur
JP4907533B2 (ja) * 2004-08-10 2012-03-28 オーチス エレベータ カンパニー エレベータかご位置決定システム
KR100689164B1 (ko) * 2004-12-06 2007-03-09 오티스 엘리베이터 컴파니 엘리베이터 카 강제 감속 장치
FI117283B (fi) * 2005-02-04 2006-08-31 Kone Corp Hissijärjestelmä
ATE361893T1 (de) 2005-03-05 2007-06-15 Thyssenkrupp Aufzugswerke Gmbh Aufzuganlage
WO2006130145A1 (fr) * 2005-06-01 2006-12-07 Otis Elevator Company Detection de la position d'une cabine d'ascenseur
CN101007608A (zh) * 2006-01-27 2007-08-01 因温特奥股份公司 用于产生竖井信息的装置
FI120449B (fi) 2008-08-12 2009-10-30 Kone Corp Järjestely ja menetelmä hissikorin paikan määrittämiseksi
JP5280163B2 (ja) * 2008-11-27 2013-09-04 株式会社日立製作所 エレベーター装置
CN102341333B (zh) * 2009-03-13 2015-06-10 三菱电机株式会社 电梯装置
FI121663B (fi) * 2009-10-09 2011-02-28 Kone Corp Mittausjärjestely, valvontajärjestely sekä hissijärjestelmä
CN102053249B (zh) * 2009-10-30 2013-04-03 吴立新 基于激光扫描和序列编码图形的地下空间高精度定位方法
EP2583928B1 (fr) * 2010-06-18 2021-02-24 Hitachi, Ltd. Système d'ascenseur
CN104860148B (zh) * 2010-06-18 2017-07-21 株式会社日立制作所 电梯系统
CN102985348A (zh) * 2010-07-12 2013-03-20 奥的斯电梯公司 速度和位置检测系统
EP2540651B1 (fr) * 2011-06-28 2013-12-18 Cedes AG Dispositif d'ascenseur, bâtiment et dispositif de détermination de position
EP2546180A1 (fr) * 2011-07-13 2013-01-16 Inventio AG Installation d'ascenseur et méthode pour détecter la position de la cabine d'ascenseur.
DE102011054590B4 (de) * 2011-10-18 2022-06-09 Elgo-Electronic Gmbh & Co. Kg Vorrichtung zur Positionserfassung einer Aufzugkabine und Verfahren zum Betreiben einer Aufzuganlage
CN102515020A (zh) * 2011-12-21 2012-06-27 江苏美佳电梯有限公司 电梯部件故障识别反馈通知方法
EP2886501A1 (fr) * 2013-12-18 2015-06-24 Inventio AG Ascenseur doté d'un système de positionnement absolu pour une cabine à double étage
JP5741746B2 (ja) * 2014-03-27 2015-07-01 株式会社日立製作所 エレベータシステム
CN104016201A (zh) * 2014-05-30 2014-09-03 日立电梯（中国）有限公司 电梯轿厢绝对位置检测装置
JP5774166B2 (ja) * 2014-06-27 2015-09-02 三菱電機株式会社 エレベータ装置
JP6289291B2 (ja) * 2014-07-14 2018-03-07 三菱電機株式会社 エレベータ装置およびエレベータの停止位置判断方法
WO2017016896A1 (fr) * 2015-07-30 2017-02-02 Inventio Ag Système de verrouillage pour porte de cabine
CN105480797B (zh) * 2016-01-22 2017-05-03 日立电梯（中国）有限公司 电梯轿厢位置和速度检测系统及其自检方法
JP6542729B2 (ja) * 2016-09-12 2019-07-10 株式会社日立ビルシステム エレベーターのかご位置確認システム
CN109019260B (zh) * 2017-06-12 2020-09-18 上海三菱电梯有限公司 电梯防晃动装置
CN108423507B (zh) * 2018-03-09 2019-11-12 日立电梯（中国）有限公司 轿厢绝对位置的检测系统的自检装置及其自检方法
CN109484933B (zh) * 2018-12-29 2020-07-17 日立电梯（中国）有限公司 一种电梯轿厢位置和速度检测系统及其自检方法
US11767194B2 (en) 2019-01-28 2023-09-26 Otis Elevator Company Elevator car and door motion monitoring
CN110054046B (zh) * 2019-05-17 2021-10-19 日立楼宇技术（广州）有限公司 基于补偿链的轿厢位置确定方法、装置、系统及电梯设备
CN110745662A (zh) * 2019-10-30 2020-02-04 浙江丹森智能家居科技有限公司 轿厢绝对位置实时采集式无机房电梯

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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19826039A1 (de) * 1998-06-12 1999-12-23 Schmitt & Sohn Gmbh & Co Überbrückungsschaltung
DE19826039C2 (de) * 1998-06-12 2000-04-06 Schmitt & Sohn Gmbh & Co Überbrückungsschaltung
US6612403B2 (en) 2001-02-20 2003-09-02 Inventio Ag Method and apparatus for generating elevator car position information
EP2037227A1 (fr) * 2007-09-12 2009-03-18 Pepperl + Fuchs Gmbh Procédé et dispositif destinés à la détermination de la position d'un véhicule
CN101992981A (zh) * 2009-08-11 2011-03-30 东芝电梯株式会社 电梯的停靠检测装置
WO2012065920A1 (fr) * 2010-11-16 2012-05-24 Inventio Ag Bande codée pour un système d'ascenseur
WO2015055299A1 (fr) * 2013-10-14 2015-04-23 Cedes Ag Dispositif de codage ainsi que dispositif et procédé de détermination de position
WO2015055296A1 (fr) * 2013-10-14 2015-04-23 Cedes Ag Dispositif de codage et dispositif et procédé de détermination de position
WO2015055300A1 (fr) * 2013-10-14 2015-04-23 Cedes Ag Dispositif de codage et dispositif et procédé de détermination de position
US9558388B2 (en) 2013-10-14 2017-01-31 Cedes Ag Coding device and position-determining device and position-determining method
US9704010B2 (en) 2013-10-14 2017-07-11 Cedes Ag Coding apparatus and position-finding apparatus and method
US10185858B2 (en) 2013-10-14 2019-01-22 Cedes Ag Coding device and position-determining device and position-determining method
CN112723060A (zh) * 2020-12-28 2021-04-30 浙江大学 基于双减速位移校正点的中速电梯长站平层系统和方法
CN112723061A (zh) * 2020-12-28 2021-04-30 浙江大学 融入ucmp的中速电梯开门再平层系统和方法
CN112723059A (zh) * 2020-12-28 2021-04-30 浙江大学 基于双减速位移校正点的中速电梯近站平层系统和方法

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CN1042020C (zh) 1999-02-10
ATE193503T1 (de) 2000-06-15
MY113334A (en) 2002-01-31
CA2165247C (fr) 2006-05-23
DE59605329D1 (de) 2000-07-06
JPH08225269A (ja) 1996-09-03
FI112935B (fi) 2004-02-13
CN1137479A (zh) 1996-12-11
CA2165247A1 (fr) 1996-07-21
ZA96443B (en) 1996-08-08
FI960249A0 (fi) 1996-01-18
HK1012326A1 (en) 1999-07-30
BR9600159A (pt) 1998-01-06
US5821477A (en) 1998-10-13
EP0722903B1 (fr) 2000-05-31
ES2148595T3 (es) 2000-10-16
AU700778B2 (en) 1999-01-14
JP3888474B2 (ja) 2007-03-07
AU4205996A (en) 1996-08-01
FI960249A (fi) 1996-07-21
SG54106A1 (en) 1998-11-16

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