WO2012124068A1 - Dispositif de commande d'ascenseur - Google Patents

Dispositif de commande d'ascenseur Download PDF

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Publication number
WO2012124068A1
WO2012124068A1 PCT/JP2011/056174 JP2011056174W WO2012124068A1 WO 2012124068 A1 WO2012124068 A1 WO 2012124068A1 JP 2011056174 W JP2011056174 W JP 2011056174W WO 2012124068 A1 WO2012124068 A1 WO 2012124068A1
Authority
WO
WIPO (PCT)
Prior art keywords
image
car
detecting
unit
elevator
Prior art date
Application number
PCT/JP2011/056174
Other languages
English (en)
Japanese (ja)
Inventor
慎吾 近藤
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP2013504451A priority Critical patent/JP5527475B2/ja
Priority to KR1020137026422A priority patent/KR101502264B1/ko
Priority to CN201180067980.1A priority patent/CN103391894B/zh
Priority to PCT/JP2011/056174 priority patent/WO2012124068A1/fr
Priority to EP11861300.9A priority patent/EP2687471B1/fr
Publication of WO2012124068A1 publication Critical patent/WO2012124068A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
    • B66B5/06—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed electrical
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B3/00—Applications of devices for indicating or signalling operating conditions of elevators
    • B66B3/02—Position or depth indicators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B19/00—Mining-hoist operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0087—Devices facilitating maintenance, repair or inspection tasks

Definitions

  • This invention relates to an elevator control device adopting a traction drive system.
  • Patent Documents 1 and 2 below disclose techniques related to elevator car position detection.
  • the cam switch is installed in the elevator car. This cam switch operates when a car enters the upper end or lower end of the hoistway, and outputs a signal corresponding to the car position. For this reason, for example, even when slip occurs between the main rope and the sheave, the car position can be reliably detected at the end of the hoistway.
  • the position code is displayed over the elevator hoistway.
  • the position code is read by a camera installed in the elevator car to detect the car position.
  • Patent Document 1 has a problem that installation and position adjustment of the cam switch requires a lot of labor and time, and the installation accuracy varies depending on the skill of the operator. There is also a problem that noise is generated when the cam switch operates.
  • Patent Document 2 is not concerned about noise, but the same problem as in Patent Document 1 occurs.
  • the cost of the elevator with a long hoisting stroke is greatly increased.
  • This invention has been made to solve the above-described problems, and its purpose is to greatly simplify the labor of installation and adjustment, and regardless of the skill of the operator who performs installation and adjustment.
  • An elevator control device capable of detecting a car position with high accuracy is provided.
  • An elevator control device includes an encoder that detects rotation of an elevator sheave, first position detection means that detects a current position of an elevator car based on a detection result of the encoder, and an end of a hoistway
  • An image display unit that displays an image representing predetermined position information, an image detection unit that detects an image displayed on the image display unit, and a detection result of the image detection unit.
  • a writing unit is included in a writing unit.
  • An elevator control apparatus includes an encoder that detects rotation of an elevator sheave, first position detection means that detects a current position of an elevator car based on a detection result of the encoder, and a hoistway An image display unit for displaying an image representing predetermined position information, an image detection unit for detecting an image displayed on the image display unit, and a detection result of the image detection unit. Based on second position detecting means for detecting the current position of the car and control means for controlling the operation of the car based on the car position detected by the first position detecting means and the second position detecting means.
  • the image display unit can change the display position of an image from a device when a predetermined device is connected, and can retain display contents even when power is not supplied. It is.
  • the labor of installation and adjustment can be greatly simplified, and the car position can be detected with high accuracy regardless of the skill of the operator who performs the installation and adjustment.
  • FIG. 1 It is a block diagram which shows the control apparatus of the elevator in Embodiment 1 of this invention. It is a figure for demonstrating the function of the control apparatus shown in FIG. It is a flowchart which shows operation
  • FIG. 1 is a block diagram showing an elevator control apparatus according to Embodiment 1 of the present invention.
  • 1 is an elevator hoistway
  • 2 is an elevator car
  • 3 is a counterweight.
  • the car 2 and the counterweight 3 are suspended in a fishing bottle type in the hoistway 1 by the main rope 4.
  • FIG. 5 is a sheave of a hoisting machine composed of an elevator drive
  • 6 is a motor of the hoisting machine.
  • a part of the main rope 4 is wound around the sheave 5.
  • the car 2 moves up and down in the hoistway 1 in the direction corresponding to the moving direction of the main rope 4 as the main rope 4 moves in the longitudinal direction in conjunction with the rotation of the sheave 5. That is, FIG. 1 shows an elevator that employs a traction drive system.
  • the counterweight 3 moves up and down in the hoistway 1 in the opposite direction to the car 2.
  • the guide rail 7 is a guide rail for guiding the raising and lowering of the car 2.
  • the guide rail 7 is vertically installed in the hoistway 1.
  • 8 is a braking device, and 9 is an encoder.
  • the braking device 8 and the encoder 9 may be configured as a part of the hoisting machine.
  • the braking device 8 is for holding the car 2 stationary.
  • the braking device 8 operates when the car 2 is stopped, and prevents the sheave 5 from rotating.
  • the encoder 9 is for detecting the rotation of the sheave 5.
  • the encoder 9 is installed on the shaft of the sheave 5 and outputs a signal corresponding to the rotation direction and the rotation angle of the sheave 5.
  • the signal output from the encoder 9 is input to the control panel 10 of the elevator.
  • the control panel 10 includes position detection circuits 11 and 12 and a control circuit 13.
  • the position detection circuit 11 detects the current position (car position) of the car 2 based on the signal (detection result) from the encoder 9.
  • the function of the position detection circuit 11 may be provided in the encoder 9 itself. In such a case, the position information indicating the car position is input from the encoder 9 to the control panel 10.
  • the encoder 9 outputs a signal corresponding to the rotation of the sheave 5. For this reason, when a slip occurs between the main rope 4 and the sheave 5, the car position detected by the position detection circuit 11 deviates from the actual car position. On the other hand, when the elevator car 2 approaches the terminal end (upper end / lower end) of the hoistway 1, in order to avoid collision of the car 2, control such as deceleration and stop must be performed at an appropriate timing. For this reason, the elevator is provided with car position detection means in addition to the means comprising the encoder 9 and the position detection circuit 11.
  • the car position detecting means is for accurately detecting the presence of the car 2 at the terminal end (upper end / lower end) of the hoistway 1.
  • the car position detection means is configured by the image display units 14 and 15, the image detection unit 16, the position detection circuit 12, and the control circuit 13.
  • the image display units 14 and 15 are for displaying images representing predetermined position information.
  • electronic paper is used as the image display units 14 and 15, for example.
  • the display content (image) and display position can be arbitrarily changed.
  • display content can be held for a long time even when power is not supplied.
  • the image display unit 14 is provided at the upper end of the hoistway 1.
  • the image display unit 14 is fixed to the upper end portion of the guide rail 7 via the support arm 17, for example.
  • the image display unit 15 is provided at the lower end of the hoistway 1.
  • the image display unit 15 is fixed to the lower end of the guide rail 7 via the support arm 18.
  • the image display units 14 and 15 are arranged such that the display surface for displaying the image faces the car 2 side along the ascending / descending direction of the car 2.
  • the image detection unit 16 is for detecting images displayed on the image display units 14 and 15.
  • the image detection unit 16 is provided in the car 2.
  • the image detection unit 16 is arranged to face the image display unit 14 when the car 2 reaches a predetermined upper position. That is, when the car 2 reaches the upper position, the image displayed on the image display unit 14 is detected by the image detection unit 16.
  • the image detection unit 16 outputs the detection result (image information) to the control panel 10.
  • the image detection unit 16 is disposed so as to face the image display unit 15 when the car 2 reaches a predetermined lower position. When the car 2 reaches the lower position, the image displayed on the image display unit 15 is detected by the image detection unit 16.
  • the image detection unit 16 outputs the detection result (image information) to the control panel 10.
  • the position detection circuit 12 of the control panel 10 detects the current position of the car 2 based on the information (detection result) from the image detection unit 16. For example, the position detection circuit 12 analyzes the image information transmitted from the image detection unit 16 and compares it with already registered information, and determines whether the car 2 is in the upper position or the lower position.
  • the function of the position detection circuit 12 may be provided in the image detection unit 16 itself. In such a case, position information indicating the position of the car is input from the image detection unit 16 to the control panel 10.
  • the control circuit 13 controls the operation of the car 2 based on a car position detected by the position detection circuit 11 and a signal from a landing switch (not shown) during normal operation. Further, the control circuit 13 changes the operation of the car 2 based on the car position detected by the position detection circuit 12. For example, when the position detection circuit 12 detects that the car 2 is at a predetermined upper position or a lower position, the control circuit 13 performs control such as deceleration and stop at an appropriate timing.
  • FIGS. 2 is a diagram for explaining the function of the control device shown in FIG. 1, and FIG. 3 is a flowchart showing the operation of the elevator control device according to the first embodiment of the present invention.
  • the image writing unit 19 is connected to the control panel 10 and the image display units 14 and 15 when it is necessary to write images to the image display units 14 and 15, for example, during elevator installation or maintenance.
  • the image representing the predetermined position information must be displayed at a position (height) necessary for changing the operation of the car 2 in order to ensure safe operation of the elevator.
  • the image detection unit 16 detects the image displayed on the image display unit 14 (or 15) and before the operation change (for example, deceleration / stop) of the car 2 is started by the control circuit 13, the position The time required for calculation by the detection circuit 12 and the control circuit 13 elapses. For this reason, in order to accurately detect the car position at the end portion of the hoistway 1, the image display units 14 and 15 must display the image in consideration of calculation delays by the position detection circuit 12 and the control circuit 13. I must.
  • the length of the image (the width in the up-and-down direction of the car 2) is also required to some extent.
  • the distance B can be expressed by the following equation (see FIG. 2).
  • the image writing unit 19 displays an image representing position information between the height B and the height A calculated by the above formula 1, taking into account the calculation delays ⁇ t 1 and ⁇ t 2 .
  • the image displayed on the image display units 14 and 15 may be a simple image such as a barcode shown in FIG.
  • a specific display setting method of the image is as shown in FIG.
  • the image writing unit 19 is connected to the control panel 10 and the image display units 14 and 15.
  • the image writing unit 19 causes the image display units 14 and 15 to display an image representing predetermined position information.
  • the car 2 moves the car 2 back and forth between the top floor and the bottom floor. Specifically, first, the car 2 is caused to travel downward and stopped at the lowest floor (S101). Next, the car 2 is caused to travel upward and stopped on the top floor (S102). Further, the car 2 is moved downward and stopped at the lowest floor (S103).
  • the position detection circuits 11 and 12 detect the car position based on the input information.
  • the control circuit 13 compares the car position detected by the position detection circuit 11 with the car position detected by the position detection circuit 12, and calculates the display position error of the images displayed on the image display units 14 and 15. .
  • the control circuit 13 transmits the calculation result (error) to the image writing unit 19 (S104).
  • the image writing unit 19 adjusts (changes) the positions of the images displayed on the image display units 14 and 15 based on the error calculated by the control circuit 13 so that the display position of the image satisfies the above expression 1. (S105).
  • the image writing unit 19 adjusts the position of the images displayed on the image display units 14 and 15 with reference to the car position detected by the position detection circuit 11.
  • processing in S104 may be performed by the image writing unit 19.
  • the car position detected by the position detection circuit 11 and the car position detected by the position detection circuit 12 are input to the image writing unit 19.
  • the image writing unit 19 is removed from the control panel 10 and the image display units 14 and 15.
  • the car position can be detected with high accuracy at the end of the hoistway 1.
  • the detection accuracy is not affected by the skill of the operator who performs installation or adjustment.
  • the position adjustment of the image can be performed after the image display units 14 and 15 are installed, the labor of installation and adjustment can be greatly simplified.
  • the display content can be held even without power supply, and thus the maintenance cost after image setting can be reduced. Further, since the display contents and display positions of the image display units 14 and 15 cannot be changed unless the image writing unit 19 is connected, mischief and malfunction can be prevented. Further, if the image writing unit 19 is configured to be detachable, it is not necessary to install the image writing unit 19 in each elevator. For this reason, the said function is realizable at low cost.
  • the display position of one image can be set appropriately, the display position of the other image is easily set in relation to the one image. be able to. The same applies to the image display unit 15.
  • the control device according to the present invention can be applied to an elevator having a function of detecting a car position at the end of a hoistway.

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)

Abstract

L'invention porte sur un dispositif de commande d'ascenseur, lequel dispositif est apte à simplifier considérablement le temps et l'effort nécessaires pour l'installation et les réglages, et à détecter la position d'une cabine d'ascenseur avec une précision élevée quelles que soit les compétences du travailleur effectuant l'installation et les réglages. Ce dispositif de commande comporte un codeur pour détecter la rotation d'un réa, et un premier moyen de détection de position pour détecter la position d'une cabine d'ascenseur sur la base des résultats de détection du codeur. De plus, ce dispositif de commande comporte une unité d'affichage d'image disposée sur l'extrémité d'une cage d'ascenseur, et une unité de détection d'image disposée sur la cabine d'ascenseur. L'unité de détection d'image détecte l'image affichée sur l'unité d'affichage d'image. Un second moyen de détection de position détecte la position de la cabine d'ascenseur sur la base des résultats de détection de l'unité de détection d'image. Une unité d'écriture d'image règle la position de l'image affichée sur l'unité d'affichage d'image sur la base de la position de la cabine d'ascenseur détectée à l'aide du premier moyen de détection de position et du second moyen de détection de position.
PCT/JP2011/056174 2011-03-16 2011-03-16 Dispositif de commande d'ascenseur WO2012124068A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2013504451A JP5527475B2 (ja) 2011-03-16 2011-03-16 エレベーターの制御装置
KR1020137026422A KR101502264B1 (ko) 2011-03-16 2011-03-16 엘리베이터의 제어 장치
CN201180067980.1A CN103391894B (zh) 2011-03-16 2011-03-16 电梯控制装置
PCT/JP2011/056174 WO2012124068A1 (fr) 2011-03-16 2011-03-16 Dispositif de commande d'ascenseur
EP11861300.9A EP2687471B1 (fr) 2011-03-16 2011-03-16 Dispositif de commande d'ascenseur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2011/056174 WO2012124068A1 (fr) 2011-03-16 2011-03-16 Dispositif de commande d'ascenseur

Publications (1)

Publication Number Publication Date
WO2012124068A1 true WO2012124068A1 (fr) 2012-09-20

Family

ID=46830197

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2011/056174 WO2012124068A1 (fr) 2011-03-16 2011-03-16 Dispositif de commande d'ascenseur

Country Status (5)

Country Link
EP (1) EP2687471B1 (fr)
JP (1) JP5527475B2 (fr)
KR (1) KR101502264B1 (fr)
CN (1) CN103391894B (fr)
WO (1) WO2012124068A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016003086A (ja) * 2014-06-13 2016-01-12 株式会社日立ビルシステム 位置検出装置の動作確認用治具
CN111717738A (zh) * 2019-03-20 2020-09-29 东芝电梯株式会社 电梯系统
WO2021005658A1 (fr) * 2019-07-05 2021-01-14 三菱電機株式会社 Système de commande d'ascenseur

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI673229B (zh) * 2014-12-02 2019-10-01 瑞士商伊文修股份有限公司 用於判定電梯車廂位置的方法和系統以及電梯系統
CN106698119A (zh) * 2017-03-07 2017-05-24 江苏西德电梯有限公司 一种基于二维码楼层信息的智能电梯光电开关
EP3409629B2 (fr) 2017-06-01 2024-02-28 Otis Elevator Company Analyse d'images pour la maintenance d'ascenseurs
KR102187699B1 (ko) 2020-08-25 2020-12-07 주식회사 비티알수성 승강기용 구동기의 엔코더 설치구조
KR102588672B1 (ko) 2021-12-30 2023-10-13 (주)디 앤드 디 승강기의 양측형 엔코더 설치 구조

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Publication number Priority date Publication date Assignee Title
JPH07223783A (ja) 1994-02-10 1995-08-22 Hitachi Ltd エレベーターの端階安全装置
JP2005126164A (ja) 2003-10-21 2005-05-19 Mitsubishi Electric Corp エレベーターの位置検出装置
JP2007171629A (ja) * 2005-12-22 2007-07-05 Asahi Glass Co Ltd 情報提供方法および装置
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
JP2009214965A (ja) * 2008-03-07 2009-09-24 Toshiba Elevator Co Ltd エレベータ
JP2010100395A (ja) * 2008-10-23 2010-05-06 Toshiba Elevator Co Ltd エレベータ装置

Family Cites Families (3)

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Publication number Priority date Publication date Assignee Title
WO2004058617A1 (fr) * 2002-12-30 2004-07-15 Otis Elevator Company Systeme de reperage de position
EP1698580B1 (fr) * 2005-03-05 2007-05-09 ThyssenKrupp Aufzugswerke GmbH Système s'ascenseur
JP4380708B2 (ja) * 2007-01-26 2009-12-09 株式会社日立製作所 エレベータ装置

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Publication number Priority date Publication date Assignee Title
JPH07223783A (ja) 1994-02-10 1995-08-22 Hitachi Ltd エレベーターの端階安全装置
JP2005126164A (ja) 2003-10-21 2005-05-19 Mitsubishi Electric Corp エレベーターの位置検出装置
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
JP2007171629A (ja) * 2005-12-22 2007-07-05 Asahi Glass Co Ltd 情報提供方法および装置
JP2009214965A (ja) * 2008-03-07 2009-09-24 Toshiba Elevator Co Ltd エレベータ
JP2010100395A (ja) * 2008-10-23 2010-05-06 Toshiba Elevator Co Ltd エレベータ装置

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Title
See also references of EP2687471A4 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016003086A (ja) * 2014-06-13 2016-01-12 株式会社日立ビルシステム 位置検出装置の動作確認用治具
CN111717738A (zh) * 2019-03-20 2020-09-29 东芝电梯株式会社 电梯系统
CN111717738B (zh) * 2019-03-20 2022-11-15 东芝电梯株式会社 电梯系统
WO2021005658A1 (fr) * 2019-07-05 2021-01-14 三菱電機株式会社 Système de commande d'ascenseur

Also Published As

Publication number Publication date
CN103391894B (zh) 2015-08-19
CN103391894A (zh) 2013-11-13
JP5527475B2 (ja) 2014-06-18
KR101502264B1 (ko) 2015-03-12
EP2687471A1 (fr) 2014-01-22
KR20130143645A (ko) 2013-12-31
EP2687471A4 (fr) 2014-11-19
JPWO2012124068A1 (ja) 2014-07-17
EP2687471B1 (fr) 2015-09-09

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