WO2007026416A1 - Système de commande pour ascenseur - Google Patents

Système de commande pour ascenseur Download PDF

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Publication number
WO2007026416A1
WO2007026416A1 PCT/JP2005/015872 JP2005015872W WO2007026416A1 WO 2007026416 A1 WO2007026416 A1 WO 2007026416A1 JP 2005015872 W JP2005015872 W JP 2005015872W WO 2007026416 A1 WO2007026416 A1 WO 2007026416A1
Authority
WO
WIPO (PCT)
Prior art keywords
elevator
safety device
control device
electronic safety
abnormality
Prior art date
Application number
PCT/JP2005/015872
Other languages
English (en)
Japanese (ja)
Inventor
Tatsuo Matsuoka
Original Assignee
Mitsubishi Denki Kabushiki Kaisha
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 Mitsubishi Denki Kabushiki Kaisha filed Critical Mitsubishi Denki Kabushiki Kaisha
Priority to JP2006529353A priority Critical patent/JP5068534B2/ja
Priority to PCT/JP2005/015872 priority patent/WO2007026416A1/fr
Priority to CN2005800412123A priority patent/CN101068741B/zh
Priority to EP05776101.7A priority patent/EP1921038B1/fr
Publication of WO2007026416A1 publication Critical patent/WO2007026416A1/fr

Links

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
    • B66B5/0006—Monitoring devices or performance analysers
    • B66B5/0018—Devices monitoring the operating condition of the elevator system
    • B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons

Definitions

  • the present invention relates to an elevator control system comprising an electronic safety device that determines the presence or absence of an abnormality in an elevator, and a control device that controls the operation of the elevator based on information on the power of the electronic safety device. It is about.
  • a base transceiver is electrically connected to the control unit, and a transceiver is electrically connected to each device.
  • a token is output from the base transceiver.
  • the token that also outputs the base transceiver power returns to the base transceiver sequentially through the transceivers of each device. If any device fails, the token is blocked by the failed device and the token does not return to the base transceiver. In this case, the operation of the elevator is stopped by the control device (see Patent Document 1).
  • Patent Document 1 Japanese Patent Application Laid-Open No. 2003-40543
  • a method for monitoring the state of an elevator by wireless communication has been proposed as a method for improving performance. Therefore, when a safety device that monitors the state of the elevator is installed alone, in order to improve the performance, the presence / absence of an abnormality in the elevator and the transmission of information to the control device are electrically performed. It can be an electronic safety device.
  • the electronic safety device when the electronic safety device fails, it is necessary to disconnect the electronic safety device from the control device for repair.
  • the elevator is not operated when the electronic safety device is disconnected from the control device.
  • the electronic safety device can be applied to the control device even if the control device force remains disconnected.
  • the normal operation of the elevator can be easily performed by performing the short circuit processing. Therefore, in such a case, the electronic safety device does not function during normal operation of the elevator, and the soundness of operation of the elevator is reduced.
  • the present invention has been made to solve the above-described problems, and it is more effective that the normal operation of the elevator is continued while the electrical connection of the electronic safety device is disconnected from the control device.
  • the purpose is to obtain an elevator control system that can be reliably prevented.
  • the elevator control system determines whether or not there is an abnormality in the elevator, and outputs an acknowledgment response signal when a predetermined confirmation request signal is received, and an electronic safety device during operation of the elevator Output a confirmation request signal to the electronic safety device to detect whether there is an acknowledgment signal received from the electronic safety device, thereby determining whether there is an abnormality in the electrical connection with the electronic safety device and determining whether there is an abnormality in the elevator And a control device for controlling the operation of the elevator based on the determination of whether there is an abnormality in the electrical connection.
  • FIG. 1 is a configuration diagram showing an elevator according to Embodiment 1 of the present invention.
  • FIG. 2 is a block diagram showing the control panel of FIG. 1.
  • FIG. 3 is a flowchart showing a connection confirmation operation of the control device CPU in FIG. 2.
  • FIG. 1 is a block diagram showing an elevator according to Embodiment 1 of the present invention.
  • a lift 2 and a counterweight 3 are provided in the hoistway 1.
  • a hoisting machine (driving device) 4 for raising and lowering the force 2 and the counterweight 3 and a deflecting wheel 5 disposed in the vicinity of the hoisting machine 4 are provided at the upper part of the hoistway 1.
  • the lifting machine 4 includes a lifting machine body 6 including a motor, and a drive sheave 7 rotated by the lifting machine body 6.
  • a plurality of main ropes 8 are wound around the drive sheave 7.
  • Force 2 and counterweight 3 Are suspended in the hoistway 1 by each main rope 8.
  • the force 2 and the counterweight 3 are moved up and down in the hoistway 1 by the rotation of the drive sheave 7.
  • a governor sheave 9 is provided at the upper part of the hoistway 1, and a tension wheel 10 is provided at the lower part of the hoistway 1.
  • a governor rope 11 that is moved together with the force 2 is wound around the governor sheave 9 and the tension wheel 10. Thus, the governor sheave 9 and the tension wheel 10 are rotated as the car 2 moves.
  • the governor sheave 9 is provided with an encoder (detection sensor) 12 that generates a signal corresponding to the rotation of the governor sheave 9.
  • an electronic safety device 14 and a control device 15 are provided independently.
  • FIG. 2 is a configuration diagram showing the electronic safety device 14 and the control device 15 of FIG.
  • the electronic safety device 14 and the control device 15 are individually mounted on a support base in the hoistway 1.
  • the electronic safety device 14 and the control device 15 are electrically connected to each other via the communication line 19 by being mounted in the hoistway 1.
  • the electronic safety device 14 has a safety device CPU (safety device processing unit) 16 for determining whether there is an abnormality in the elevator. Further, the control device 15 has a safety circuit 17 for stopping the operation of the elevator when an abnormality of the elevator occurs, and a control device CPU (control device processing unit) 18 for controlling the operation of the elevator. And then.
  • a safety device CPU safety device processing unit
  • the safety device CPU 16 determines whether or not there is an abnormality in the elevator based on information from various detection sensors such as the encoder 12 (for example, whether there is an abnormality in the electronic safety device 14 itself or an abnormality in the speed of the car 2). Determination of presence / absence). In addition, the safety device CPU16 turns on the internal circuit to determine whether the elevator is normal and the elevator is in a normal state (state normality determination). Is output to the safety circuit 17. Furthermore, the safety device CPU16 turns off the internal circuit and stops the output of the normal signal 20 when performing the determination that an elevator abnormality has occurred (status abnormality determination)! /, The
  • Safety circuit 17 is not activated when the normal signal 20 from the safety device CPU16 is input. When the safety circuit 17 is not activated, the elevator is operated normally under the control of the controller CPU18. Safety circuit 17 also includes safety device C It is activated when the input of the normal signal 20 from the PU 16 is stopped, thereby forcibly stopping the operation of the elevator.
  • the control device CPU 18 determines a predetermined confirmation request signal (electric signal) through the communication line 19 during operation of the elevator in order to determine whether there is an abnormality in the electrical connection between the electronic safety device 14 and the control device 15. ) Is output to the safety device CPU 16. Confirmation request signals are output at predetermined time intervals.
  • the safety device CPU16 is configured to output a confirmation response signal (electric signal) to the control device CPU18 through the communication line 19 when receiving the confirmation request signal from the control device CPU18.
  • the confirmation response signal is output from the safety device CPU 16 every time the safety device CPU 16 receives the confirmation request signal.
  • control device CPU18 When the control device CPU18 outputs a confirmation request signal and receives a confirmation response signal from the safety device CCU16 within a predetermined time, the electrical connection between the electronic safety device 14 and the control device 15 is established. Judgment is made that there is no abnormality (connection normality judgment). Further, the control device CPU18 outputs the confirmation request signal, and when the confirmation response signal from the safety device CPU16 is not received even after a predetermined time has passed, the electronic safety device 14 and the control device 15 It is determined that an abnormality has occurred in the electrical connection (connection abnormality determination). That is, the control device CPU18 determines whether or not the electrical connection between the electronic safety device 14 and the control device 15 is abnormal based on whether or not the acknowledgment signal is received from the safety device CPU16. And
  • the control device CPU18 is configured to continue the operation of the elevator in the normal operation while performing the connection normality determination. Further, the control device CPU 18 stops the operation of the elevator even when the normal signal 20 is input to the safety circuit 17 when the connection abnormality determination is performed.
  • the elevator control system includes an electronic safety device 14 and a control device 15.
  • FIG. 3 is a flowchart showing the connection confirmation operation of the control device CPU 18 of FIG.
  • the control device CPU 18 determines whether there is an abnormality in the electrical connection between the electronic safety device 14 and the control device 15.
  • a confirmation request signal is output to the safety device CPU16 (SI).
  • the control device CPU18 detects whether or not it has received the confirmation response signal from the safety device CPU 16 (S2).
  • control device CPU18 When the control device CPU18 receives the confirmation response signal from the safety device CPU16, the control device CPU18 makes a normal connection determination (S3), and the connection confirmation operation of the control device CPU18 ends.
  • control device CPU18 determines whether or not a predetermined time has passed (S3
  • the control device CPU 18 repeats the determination of whether or not the safety device CPU 16 power acknowledgment signal has been received until the predetermined time has elapsed. After this, if the confirmation response signal is not received from the safety device CPU16 even after the predetermined time has elapsed, the control device CPU18 performs a connection abnormality determination (S4), and the connection confirmation operation of the control device CPU18 is performed. finish.
  • the safety device CPU16 makes a state normality determination and the control device CPU18 makes a connection normality determination.
  • the normal signal 20 having the power of the safety device CPU16 is inputted to the safety circuit 17, and the operation of the elevator is not stopped.
  • the safety device CPU 16 makes a state abnormality determination
  • the input of the normal signal 20 to the safety circuit 17 is stopped.
  • the safety circuit 17 is activated and the operation of the elevator is forcibly stopped.
  • the confirmation response signal output from the safety device CPU16 is transmitted to the control device.
  • CPU 18 is not reached, and control device CPU 18 stops receiving acknowledgment signals.
  • the control device CPU 18 determines the connection abnormality, and even if the normal signal 20 is continuously input to the safety circuit 17, the operation of the elevator is stopped.
  • the control device 15 outputs a confirmation request signal to the electronic safety device 14 during operation of the elevator, and a confirmation response signal from the electronic safety device 14. Since it is determined whether or not the electrical connection with the electronic safety device 14 is abnormal based on whether or not the electronic safety device 14 is received, the electrical connection of the electronic safety device 14 is disconnected from the control device 15. It is possible to more reliably determine whether or not the force is present. Therefore, even if the normal signal 20 is forcibly continued to be received by the electronic circuit 17 due to the short-circuit process for the control device 15, the electrical connection of the electronic safety device 14 is actually disconnected from the control device 14. When separated, normal operation of the elevator can be prevented from continuing. As a result, the normal operation of the elevator during the repair of the electronic safety device 14 can be prevented, and the soundness of the operation of the elevator can be improved.
  • control device 15 stops the operation of the elevator when it is determined that the electrical connection with the electronic safety device 14 is abnormal, the soundness of the operation of the elevator is further improved. Can be increased.
  • the control device CPU 18 determines whether or not there is an abnormality in the electrical connection between the electronic safety device 14 and the control device 15 by detecting the presence or absence of an acknowledgment signal from the electronic safety device 14.
  • a microswitch detection device
  • the control device CPU18 uses the information on the microswitch power to The presence or absence of an abnormality in the electrical connection between the device 14 and the control device 15 may be determined. That is, a microswitch for detecting the presence or absence of an abnormality in the electrical connection between the electronic safety device 14 and the control device 15 may be provided on the support base.
  • the microswitch contacts the electronic safety device 14 and is turned on, and when the electronic safety device 14 is removed from the support base. It leaves the electronic safety device 14 and is turned off.
  • the control device CPU 18 determines that there is no abnormality in the electrical connection between the electronic safety device 14 and the control device 15 when the micro switch is in the ON state, and when the micro switch is in the OFF state, It is determined that an abnormality has occurred in the electrical connection between the electronic safety device 14 and the control device 15.
  • the control device CPU18 has a micro switch. Since it is possible to determine whether or not there is an abnormality in the electrical connection between the electronic safety device 14 and the control device 15 based on the information of the chica, when the electronic safety device 14 is also unsupported, the elevator It is possible to prevent the situation where the operation is performed, and to improve the soundness of the operation of the elevator.
  • the control device CPU 18 stops the operation of the elevator when the connection abnormality determination is performed.
  • the operation of the elevator when the force connection abnormality determination is performed is referred to as the low speed operation. You may make it do.
  • the control device CPU 18 sets the elevator operation at a low speed when the connection abnormality determination is made regardless of whether or not the normal signal 20 is received by the electronic circuit 17.
  • the speed of the car 2 is lower than that in the normal operation, and even if the electronic safety device 14 does not function, the operation of the elevator is not hindered. It has been.
  • the speed of the force 2 is set to be lower than that during normal operation. It is possible to prevent the normal operation of the elevator from being continued with the mechanical connection disconnected from the control device 15, and to improve the operation efficiency of the elevator.

Landscapes

  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)

Abstract

L'invention concerne un dispositif électronique de sécurité et un dispositif de commande qui sont placés dans un puits d'ascenseur. Le dispositif électronique de sécurité détermine si un ascenseur présente une anomalie ou non et il fournit en sortie un signal de réponse de confirmation lorsqu'il reçoit un signal prédéterminé de demande de confirmation. Lors du fonctionnement de l'ascenseur, le dispositif de commande fournit en sortie le signal de demande de confirmation au dispositif électronique de sécurité, et il détecte s'il existe un signal de réponse de confirmation en provenance du dispositif électronique de sécurité. Grâce à ceci, le dispositif de commande détermine s'il existe une anomalie dans une connexion électrique vers le dispositif électronique de sécurité, et il commande le fonctionnement de l'ascenseur sur la base de la détermination du fait qu'il existe une anomalie dans l'ascenseur et sur la détermination du fait qu'il existe une anomalie dans la connexion électrique.
PCT/JP2005/015872 2005-08-31 2005-08-31 Système de commande pour ascenseur WO2007026416A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2006529353A JP5068534B2 (ja) 2005-08-31 2005-08-31 エレベータの制御システム
PCT/JP2005/015872 WO2007026416A1 (fr) 2005-08-31 2005-08-31 Système de commande pour ascenseur
CN2005800412123A CN101068741B (zh) 2005-08-31 2005-08-31 电梯控制系统
EP05776101.7A EP1921038B1 (fr) 2005-08-31 2005-08-31 Système de commande pour ascenseur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2005/015872 WO2007026416A1 (fr) 2005-08-31 2005-08-31 Système de commande pour ascenseur

Publications (1)

Publication Number Publication Date
WO2007026416A1 true WO2007026416A1 (fr) 2007-03-08

Family

ID=37808520

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2005/015872 WO2007026416A1 (fr) 2005-08-31 2005-08-31 Système de commande pour ascenseur

Country Status (4)

Country Link
EP (1) EP1921038B1 (fr)
JP (1) JP5068534B2 (fr)
CN (1) CN101068741B (fr)
WO (1) WO2007026416A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010150644A1 (fr) * 2009-06-23 2010-12-29 三菱電機株式会社 Dispositif d'ascenseur
JP2011502908A (ja) * 2007-07-17 2011-01-27 インベンテイオ・アクテイエンゲゼルシヤフト エレベータ装置の監視方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013046939A (ja) * 2011-08-29 2013-03-07 Disco Corp 研削装置
EP3034445A1 (fr) * 2014-12-18 2016-06-22 Kone Corporation Appareil de configuration et circuit de sécurité principal pour un système d'ascenseur et système d'ascenseur

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5742470A (en) * 1980-08-28 1982-03-10 Mitsubishi Electric Corp Safety device for elevator
JPH04261243A (ja) * 1991-01-28 1992-09-17 Mitsubishi Electric Corp エレベータの信号伝送装置
JP2000177943A (ja) * 1998-12-16 2000-06-27 Toshiba Corp エレベータ伝送制御装置
JP2002538061A (ja) * 1999-03-04 2002-11-12 オーチス エレベータ カンパニー エレベータ安全システム
JP2003104648A (ja) * 2001-09-28 2003-04-09 Mitsubishi Electric Corp エレベータ装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07240803A (ja) * 1994-03-01 1995-09-12 Toshiba Erebeeta Technos Kk エレベータの遠隔監視システム
JP2005104596A (ja) * 2003-09-26 2005-04-21 Toshiba Elevator Co Ltd エレベーターの制御装置
EP1864935B1 (fr) * 2005-03-31 2018-11-28 Mitsubishi Denki Kabushiki Kaisha Appareil d'ascenseur

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5742470A (en) * 1980-08-28 1982-03-10 Mitsubishi Electric Corp Safety device for elevator
JPH04261243A (ja) * 1991-01-28 1992-09-17 Mitsubishi Electric Corp エレベータの信号伝送装置
JP2000177943A (ja) * 1998-12-16 2000-06-27 Toshiba Corp エレベータ伝送制御装置
JP2002538061A (ja) * 1999-03-04 2002-11-12 オーチス エレベータ カンパニー エレベータ安全システム
JP2003104648A (ja) * 2001-09-28 2003-04-09 Mitsubishi Electric Corp エレベータ装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP1921038A4 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011502908A (ja) * 2007-07-17 2011-01-27 インベンテイオ・アクテイエンゲゼルシヤフト エレベータ装置の監視方法
WO2010150644A1 (fr) * 2009-06-23 2010-12-29 三菱電機株式会社 Dispositif d'ascenseur
JPWO2010150644A1 (ja) * 2009-06-23 2012-12-10 三菱電機株式会社 エレベータ装置
JP5523455B2 (ja) * 2009-06-23 2014-06-18 三菱電機株式会社 エレベータ装置

Also Published As

Publication number Publication date
EP1921038A1 (fr) 2008-05-14
EP1921038A4 (fr) 2013-03-06
JPWO2007026416A1 (ja) 2009-03-05
CN101068741B (zh) 2012-01-11
CN101068741A (zh) 2007-11-07
EP1921038B1 (fr) 2014-02-12
JP5068534B2 (ja) 2012-11-07

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