WO2012105008A1 - Dispositif de contrôle de sécurité pour ascenseur - Google Patents

Dispositif de contrôle de sécurité pour ascenseur Download PDF

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Publication number
WO2012105008A1
WO2012105008A1 PCT/JP2011/052133 JP2011052133W WO2012105008A1 WO 2012105008 A1 WO2012105008 A1 WO 2012105008A1 JP 2011052133 W JP2011052133 W JP 2011052133W WO 2012105008 A1 WO2012105008 A1 WO 2012105008A1
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WO
WIPO (PCT)
Prior art keywords
safety control
car
door
landing door
landing
Prior art date
Application number
PCT/JP2011/052133
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English (en)
Japanese (ja)
Inventor
和則 鷲尾
柴田　益誠
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=46602249&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2012105008(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to PCT/JP2011/052133 priority Critical patent/WO2012105008A1/fr
Priority to EP11857587.7A priority patent/EP2671836B1/fr
Priority to JP2012555635A priority patent/JP5784049B2/ja
Priority to CN201180065486.1A priority patent/CN103328366B/zh
Priority to KR1020137022681A priority patent/KR101545797B1/ko
Publication of WO2012105008A1 publication Critical patent/WO2012105008A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/22—Operation of door or gate contacts
    • 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
    • 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

  • This invention relates to an elevator safety control device that controls the operation of an elevator from the viewpoint of safety.
  • the maintenance staff gets on the car and performs maintenance work on the hoisting machine and the control device.
  • the maintenance staff enters the hoistway pit and performs maintenance work for the hoisting machine and the control device.
  • an overshoot limit switch is provided above and below the hoistway to prevent the car from moving beyond the overshoot limit switch during maintenance operation. ing.
  • a maintenance person enters the pit to perform maintenance work, or gets on the car to perform maintenance work, it must be noted that the car travels unexpectedly.
  • the maintenance staff detects that the landing door unlocking device has been operated and automatically stops the car, thereby preventing the maintenance staff from traveling unexpectedly. (For example, see Patent Document 1).
  • the present invention has been made to solve the above-described problems, and is an elevator that can efficiently detect the movement of a maintenance worker to a hoistway by using existing equipment at low cost.
  • the purpose is to obtain a safety control device.
  • the elevator safety control device includes a car gate switch for detecting opening of a car door, a plurality of landing door switches for detecting opening of a plurality of landing doors, and information input from the car gate switch and the landing door switch.
  • the safety door is divided into multiple systems, and the safety controller can recognize the opening of the landing door independently for each system of the landing door switch. Yes, when the car gate switch indicates the door closed state, when the landing door switch of any system indicates the door open state, and when the car gate switch indicates the door open state When the above landing door switch indicates the door open state, the movement of the maintenance worker to the hoistway is detected.
  • the elevator safety control device efficiently utilizes the existing car gate switch and landing door switch, and maintains the low cost and the case where the car door is closed and opened. The movement of the person to the hoistway can be detected more reliably.
  • FIG. 1 is a block diagram showing a machine room-less type elevator according to Embodiment 1 of the present invention.
  • a hoisting machine 2 is installed in the lower part of the hoistway 1.
  • the hoisting machine 2 includes a drive sheave, a hoisting motor that rotates the driving sheave, and a hoisting machine brake that brakes the rotation of the driving sheave.
  • Suspension means (not shown) is wound around the drive sheave.
  • As the suspension means a plurality of ropes or a plurality of belts are used.
  • the car 3 and the counterweight (not shown) are suspended in the hoistway 1 by suspension means and are raised and lowered by the hoisting machine 2.
  • An elevator control device (control panel) 4 that controls the hoisting machine 2 is installed in the lower part of the hoistway 1.
  • the elevator control device 4 includes an operation control unit 21 that controls the operation of the car 3 and a safety control unit 22.
  • the operation mode of the car 3 by the operation control unit 21 includes an automatic operation mode (normal operation mode) that responds to calls from the landing and the car 3 and a maintenance operation mode (manual operation mode).
  • the safety control unit 22 can instruct the operation control unit 21 about the operation mode.
  • the hall entrance / exit on each floor is opened and closed by the hall door 5.
  • the maintenance staff can move to the pit 1a, which is the lowermost part of the hoistway 1.
  • the landing doors 5 other than the lowest floor it is possible to move maintenance personnel onto the car 3 stopped under the floor.
  • the landing door 5 on each floor is provided with a landing door switch 6 for detecting the open state of the landing door 5.
  • These landing door switches 6 are provided as standard in a general elevator apparatus.
  • the landing door switch 6 includes a lowermost landing door switch 6a that detects the opening of the lowermost landing door 5, and a plurality of odd landings that detect the opening of the odd-numbered landing door 5 excluding the lowermost floor.
  • the system is divided into three systems: a door switch 6b and a plurality of even floor landing door switches 6c that detect opening of the even floor landing doors 5.
  • odd number floor and the even number floor are not the number of floors in the actual building but the number of floors when the floor with the landing door 5 is counted in order from the bottom with the lowest floor as the first floor. Therefore, the odd floor landing door switch 6b and the even floor landing door switch 6c are alternately arranged for each floor.
  • the signal of the landing door switch 6 is input to the elevator control device 4 independently for each of the above systems.
  • the odd floor landing door switch 6b and the even floor landing door switch 6c are connected in series for each system. Therefore, the elevator control device 4 can recognize the opening of the landing door 5 on the lowest floor, the landing door 5 on the odd floor, and the landing door 5 on the even floor independently for each system of the landing door switch 6.
  • in-pit maintenance operation mode changeover switch (automatic operation invalidation switch) 9 for switching the operation mode to the maintenance operation mode and the car 3 to operate in the maintenance operation mode.
  • In-pit maintenance operation device 10 is provided.
  • the in-pit maintenance operation mode changeover switch 9 and the in-pit maintenance operation mode switch 10 are arranged close to each other and are electrically connected to the elevator control device 4.
  • a first reset switch 11 for resetting the operation mode and returning the operation mode to the automatic operation mode is provided at the lowest floor hall.
  • a landing on a predetermined floor (for example, the second floor) other than the lowest floor is provided with a second reset switch 12 for resetting operation mode switching and returning the operation mode to the automatic operation mode.
  • the reset switches 11 and 12 are electrically connected to the elevator control device 4.
  • the car doorway is opened and closed by a car door 13.
  • the car door 13 engages with the landing door 5 on that floor.
  • the landing door 5 is opened and closed in conjunction with the car door 13.
  • a door operator (car upper station) 14 for controlling opening and closing of the car door 13 is provided.
  • the door operator 14 includes a car maintenance operation mode switching switch (automatic operation invalidation switch) 15 for switching the operation mode to the maintenance operation mode, and a car maintenance operation device 16 for operating the car 3 in the maintenance operation mode. And are provided.
  • the on-car maintenance operation mode switch 15 and the on-car maintenance operation device 16 are arranged close to each other and are electrically connected to the elevator control device 4.
  • the in-pit maintenance operation mode switching switch 9, the in-pit maintenance operation device 10, the on-car maintenance operation mode switching switch 15, and the on-car maintenance operation device 16 are all arranged in the hoistway 1. For this reason, in order to operate these, the maintenance person artificially opens the landing door 5 and enters the hoistway 1.
  • the car door 13 is provided with a car gate switch 17 for detecting the open state of the car door 13.
  • a maintenance operation lower limit switch 18 is provided at the lower part of the hoistway 1 to restrict the lowering of the car 3 during the maintenance operation.
  • a maintenance operation upper limit switch 19 is provided at the upper part in the hoistway 1 to limit the rise of the car 3 during the maintenance operation.
  • the car 3 is provided with a cam 20 for operating the limit switches 18 and 19.
  • the safety control unit 22 indicates that when any of the landing door switches 6 indicates the door open state, and the car gate switch 17 indicates the door open state.
  • the movement of the maintenance staff to the hoistway 1 is detected and the automatic operation is invalidated.
  • the control of the safety control unit 22 is divided into a case where the car door 13 is closed and a case where the car door 13 is open, the following safety control logics 1 and 2 are obtained.
  • Safety control logic The safety control unit 22 monitors the state of the car gate switch 17 and the three system landing door switches 6a, 6b, 6c.
  • the car gate switch 17 is on, that is, when the car door 13 is fully closed.
  • any of the landing door switches 6a, 6b, 6c is turned off, that is, when it is detected that any of the landing doors 5 is opened (not fully closed), the automatic operation is invalidated.
  • Safety control logic When the car gate switch 17 is turned off, that is, when the car door 13 is opened, the safety control unit 22 turns off two or more of the landing door switches 6a, 6b, 6c, When it is detected that two or more landing doors 5 are opened, automatic operation is invalidated.
  • the landing door 5 on the lowest floor is opened and the pit 1a is entered.
  • the landing door 5 is opened on the car 3 immediately above the stop floor of the car 3 (or after the car 3 is stopped just below the floor to be boarded). Get in.
  • only the landing door 5 is normally open. Therefore, by controlling with the safety control logic 1, it is possible to detect almost all cases where the maintenance person moves on the pit 1a and the car 3.
  • the maintenance staff moves to the pit 1a or the car 3 with the car 3 stopping automatically and stopped on the floor where both the car door 13 and the landing door 5 are open. There can be.
  • the control of the safety control logic 2 described above causes the lowest floor landing door 5 that leads to the pit 1a even when both the car door 13 and the landing door 5 are open on a certain floor.
  • it is possible to detect the movement of the maintenance staff by detecting that the landing door 5 on the floor immediately above the stop floor of the car 3 leading to the car 3 is opened, that is, the opening of the landing doors 5 of two or more systems.
  • the safety control unit 22 operates the first reset switch 11 or the second reset switch 12 outside the hoistway 1 to receive a reset signal, Further, the invalidation of the automatic operation is continued until the fully closed state of all the landing doors 5 and the car doors 13 is confirmed. In addition, when the power is reset due to a power failure or the like, automatic operation is disabled for safety.
  • the maintenance engineer switches the operation mode to the maintenance operation mode by the maintenance operation mode switching switch 9 in the pit or the maintenance operation mode switching switch 15 on the car,
  • the car 3 can be manually operated (maintenance operation or inspection operation) by the maintenance operation device 10 or the on-car maintenance operation device 16.
  • the moving range of the car 3 is limited by the maintenance operation lower limit switch 18 and the maintenance operation upper limit switch 19.
  • FIG. 2 is a block diagram showing the safety control device for the elevator shown in FIG.
  • the safety control unit 22 is redundant (in this case, duplexed) in order to ensure sufficient reliability of safety control, and includes first and second logic circuits 23a and 23b that perform the same processing. Yes. Signals from the switches 6a, 6b, 6c, 11, 12, and 17 are input to both the first logic circuit 23a and the second logic circuit 23b, respectively. At this time, the input signals from the landing door switches 6a, 6b, 6c and the car gate switch 17 are also duplicated and compared with each other in the first logic circuit 23a and the second logic circuit 23b.
  • the logical circuits 23a and 23b take the logical product of the inputs from the three systems of the landing door switches 6a, 6b, and 6c (connected in series), which is equivalent to the input of the conventional landing door switch 6 A signal is obtained. By outputting this signal to another device such as the operation control unit 21 or a relay output, it is possible to perform the same control as that of a conventional elevator (for example, control such as prevention of door-opening traveling).
  • the first and second logic circuits 23a and 23b perform safety control, take the logical product of the output results (valid / invalid of automatic operation), and then output to the first and second relays 24a and 24b. To do.
  • the first and second relays 24a and 24b are connected in series, and are input to the operation control unit 21 so that the automatic operation is effective only when the contacts are both closed (turned on). . That is, if either one of the first and second logic circuits 23a and 23b outputs a command that invalidates the automatic operation, the automatic operation of the car 3 is invalidated.
  • the output result is input again to the first and second logic circuits 23a and 23b, and it is diagnosed whether the result is output correctly. Further, the first and second logic circuits 23a and 23b have a self-diagnosis function for checking their own soundness. When an abnormality is detected by the logic circuits 23a and 23b, an output for invalidating the automatic operation of the car 3 is performed.
  • the logic circuits 23a and 23b may be realized by a computer including software (a computer different from the computer of the operation control unit 21). Each computer has a CPU (Central Processing Unit), ROM, RAM, WDT (Watch Dog Timer) and the like. Then, inspections relating to reading and writing of ROM and RAM and time monitoring by WDT are performed.
  • CPU Central Processing Unit
  • ROM Read Only Memory
  • RAM Random Access Memory
  • WDT Watch Dog Timer
  • each logic circuit 23a, 23b uses ASIC (Application Specific Integrated Circuit), FPGA (Field-Programmable Gate Array), CPLD (Complex Programmable Logic), etc. Alternatively, it may be realized by a relay circuit or the like.
  • ASIC Application Specific Integrated Circuit
  • FPGA Field-Programmable Gate Array
  • CPLD Complex Programmable Logic
  • the maintenance work device 25 includes a maintenance operation mode changeover switch 9 in the pit, a maintenance operation device 10 in the pit, a maintenance operation mode changeover switch 15 on the car 15 and a maintenance operation device 16 on the car.
  • FIG. 3 is a flowchart showing the safety control process in the safety control unit 22 of FIG.
  • the safety control unit 22 repeatedly executes the process of FIG. 3 while the automatic operation is not invalidated (valid).
  • the input signal is first diagnosed (step S1), and if there is an abnormality, the automatic operation is invalidated (step S2). If there is no abnormality, the car gate switch 17 is determined (step S3). If the car door 13 is fully closed, the landing door switches 6a, 6b, 6c are determined (step S4). And if the landing door 5 of any system
  • step S5 When the car door 13 is in the door open state, the landing door switches 6a, 6b, and 6c are determined (step S5). If the two or more landing doors 5 are in the open state, the automatic operation is invalidated (step S2). ).
  • step S6 The operation results of the logic circuits 23a and 23b are collated (step S6). If the calculation results do not match, the automatic operation is invalidated (step S2). If the calculation results match, the output signal is diagnosed (step S7). If there is an abnormality in the diagnosis result of the output signal, the automatic operation is invalidated (step S2). If the calculation results match and there is no abnormality in the signal, the process ends.
  • FIG. 4 is a flowchart showing the automatic operation reset process in the safety control unit 22 of FIG.
  • the safety control unit 22 repeatedly executes the process of FIG. 4 when the invalidation of the automatic driving is maintained.
  • step S11 an input signal is diagnosed (step S11), and if there is an abnormality, automatic operation invalidation is maintained (step S12). If there is no abnormality, a reset signal input determination is made (step S13), and if no reset signal is input, automatic operation invalidation is maintained (step S12).
  • step S14 If the reset signal is input, the car gate switch 17 is determined (step S14). And if the car door 13 is an open state, automatic driving
  • step S16 If all the landing doors 5 are fully closed, the operation results of the redundant logic circuits 23a and 23b are collated (step S16). If the calculation results do not match, the automatic operation invalidation is maintained (step S12). If the calculation results match, the output signal is diagnosed (step S17). If there is an abnormality in the output signal diagnosis result, the automatic operation invalidation is maintained (step S12). If the calculation results match and there is no abnormality in the signal, automatic operation invalidation is canceled (automatic operation is activated) (step S18), and the process is switched to the safety control process shown in FIG.
  • an elevator safety control device for example, when the car 3 is traveling or stopped on a certain floor in a door-closed state or in a door-open state, a maintenance worker communicates with the car 3 or the pit 1a to perform maintenance work. By detecting that the landing door 5 is opened and automatically disabling automatic operation, even if the maintenance staff forgets the automatic operation invalidation operation, the car 3 will run unexpectedly for the maintenance staff. This can be reliably prevented and the safety of maintenance personnel can be ensured. Moreover, by efficiently using the existing equipment in the elevator, the movement of the maintenance staff to the hoistway 1 can be detected at a low cost.
  • FIG. 5 is a block diagram showing a machine room-less type elevator according to Embodiment 2 of the present invention.
  • the landing door switch 6 can be divided into three systems: a lowest floor landing door switch 6a, a specific floor landing door switch 6d, and a non-specific floor landing door switch 6e provided on another floor.
  • Safety control logic The safety control unit 22 monitors the state of the car gate switch 17 and the three system landing door switches 6a, 6d, and 6e.
  • the car gate switch 17 When the car gate switch 17 is on, that is, when the car door 13 is fully closed.
  • any of the landing door switches 6a, 6d, 6e is turned off, that is, when it is detected that any of the landing doors 5 is opened, the automatic operation is invalidated.
  • Safety control logic When the car gate switch 17 is off, that is, when the car door 13 is opened, the safety control unit 22 turns off two or more of the landing door switches 6a, 6d, and 6e, that is, When it is detected that two or more landing doors 5 are opened, automatic operation is invalidated.
  • Other configurations are the same as those in the first embodiment.
  • the lowest floor landing door switch 6a is one independent system. However, when the maintenance staff opens the lowermost landing door 5 and does not move into the pit 1a, etc.
  • the landing door switch 6 on the lowest floor need not be an independent system.
  • the landing door switch 6 is divided into three systems, but may be divided into four or more systems.
  • FIG. 6 is a block diagram showing a machine room-less type elevator according to Embodiment 3 of the present invention.
  • the landing door switches 6 are divided into the same number of floors as the number of floors so that the open / close states of the landing doors 5 of all the floors are individually detected. That is, the signals of all the landing door switches 6 are input to the elevator control device 4 as independent systems.
  • Safety control logic The safety control unit 22 monitors the state of the car gate switch 17 and the landing door switches 6 of all systems, and when the car gate switch 17 is on, that is, when the car door 13 is fully closed, When the landing door switch 6 is turned off, that is, when it is detected that any of the landing doors 5 is opened, the automatic operation is invalidated.
  • Safety control logic When the car gate switch 17 is off, that is, when the car door 13 is opened, the safety control unit 22 is turned off when two or more of the landing door switches 6 are turned off, that is, at two or more places. When it is detected that the landing door 5 is opened, the automatic operation is invalidated.
  • Other configurations are the same as those in the first embodiment.
  • the automatic operation of the car 3 is invalidated when the movement of the maintenance worker to the hoistway 1 is detected, but the operation mode of the operation control unit 21 is switched to the manual operation mode. Also good. Further, when the movement of the maintenance worker to the hoistway 1 is detected, an elevator safety circuit (not shown) may be shut off. In this case, since the energization to the hoisting machine motor and the hoisting machine brake is interrupted, the car 3 can be stopped without going through the operation control unit 21. In the first to third embodiments, the connection from the various switches to the safety control unit 22 is performed by wire, but may be performed wirelessly.
  • the reset switches 11 and 12 are provided outside the hoistway 1, but may be provided inside the hoistway 1.
  • the hoisting machine 2 and the elevator control device 4 are disposed in the lower part of the hoistway 1, but the present invention is not limited to this layout.
  • the present invention can also be applied to an elevator disposed in the upper part.
  • the machine room-less type elevator is shown.
  • the present invention can be applied to any type of elevator as long as the elevator performs maintenance work in the hoistway.
  • the present invention can be applied to an elevator with a machine room, a double deck type elevator, a low press type elevator, a linear motor elevator, a hydraulic elevator, and the like.

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  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Elevator Door Apparatuses (AREA)

Abstract

Selon l'invention, dans un dispositif de contrôle de sécurité pour un ascenseur, une pluralité de commutateurs de porte de zone de chargement sont séparés en une pluralité de systèmes. Une unité de contrôle de sécurité est apte à reconnaître une libération d'une porte de zone de chargement pour chaque système de commutateurs de porte de zone de chargement indépendamment. En outre, dans le cas où le commutateur de porte de zone de chargement d'un système quelconque indique un état ouvert de porte lorsqu'un commutateur de porte de cabine indique un état fermé de porte, et dans le cas où les commutateurs de porte de zone de chargement de deux systèmes ou plus indiquent l'état ouvert de porte lorsque le commutateur de porte de cabine indique l'état ouvert de porte, l'unité de contrôle de sécurité détecte un mouvement d'un spécialiste de l'entretien au niveau d'une cage.
PCT/JP2011/052133 2011-02-02 2011-02-02 Dispositif de contrôle de sécurité pour ascenseur WO2012105008A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
PCT/JP2011/052133 WO2012105008A1 (fr) 2011-02-02 2011-02-02 Dispositif de contrôle de sécurité pour ascenseur
EP11857587.7A EP2671836B1 (fr) 2011-02-02 2011-02-02 Dispositif de contrôle de sécurité pour ascenseur
JP2012555635A JP5784049B2 (ja) 2011-02-02 2011-02-02 エレベータの安全制御装置
CN201180065486.1A CN103328366B (zh) 2011-02-02 2011-02-02 电梯的安全控制装置
KR1020137022681A KR101545797B1 (ko) 2011-02-02 2011-02-02 엘리베이터의 안전 제어 장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2011/052133 WO2012105008A1 (fr) 2011-02-02 2011-02-02 Dispositif de contrôle de sécurité pour ascenseur

Publications (1)

Publication Number Publication Date
WO2012105008A1 true WO2012105008A1 (fr) 2012-08-09

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ID=46602249

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2011/052133 WO2012105008A1 (fr) 2011-02-02 2011-02-02 Dispositif de contrôle de sécurité pour ascenseur

Country Status (5)

Country Link
EP (1) EP2671836B1 (fr)
JP (1) JP5784049B2 (fr)
KR (1) KR101545797B1 (fr)
CN (1) CN103328366B (fr)
WO (1) WO2012105008A1 (fr)

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WO2020179011A1 (fr) * 2019-03-06 2020-09-10 三菱電機ビルテクノサービス株式会社 Système de commande d'ascenseur permettant d'empêcher le fonctionnement automatique pendant un travail de maintenance dans une cage d'ascenseur
WO2021075048A1 (fr) * 2019-10-18 2021-04-22 三菱電機株式会社 Appareil d'ascenseur et appareil de détection de position de porte associé
CN113460824A (zh) * 2020-03-31 2021-10-01 苏州汇川技术有限公司 电梯安全回路故障检测系统、方法、设备及存储介质

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CN107473061B (zh) 2016-06-08 2020-10-16 奥的斯电梯公司 升降电梯系统的维护安全装置及其操作方法
CN106276470A (zh) * 2016-09-21 2017-01-04 成都启立辰智科技有限公司 客运电梯下端防撞系统
ES2817402T3 (es) 2017-06-22 2021-04-07 Otis Elevator Co Dispositivos de seguridad del bloqueo de la puerta del dintel del ascensor
US10244374B2 (en) 2017-07-17 2019-03-26 Otis Elevator Company Service tool proximity detection
US10669122B2 (en) 2017-07-17 2020-06-02 Otis Elevator Company Service tool location-based function availability
US10889465B2 (en) 2017-07-31 2021-01-12 Otis Elevator Company Mechanical hoistway access control device
WO2020002157A1 (fr) * 2018-06-29 2020-01-02 Inventio Ag Système de commutation de sécurité et procédé destiné à la commutation d'une installation d'ascenseur entre un mode de fonctionnement normal et un mode de fonctionnement d'inspection
JP7470918B2 (ja) * 2020-04-24 2024-04-19 パナソニックＩｐマネジメント株式会社 安全スイッチ及びスイッチシステム

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JP2004534707A (ja) 2001-07-09 2004-11-18 インベンテイオ・アクテイエンゲゼルシヤフト エレベータシャフトの底部および／または頂部に実質的な保護区域を有するエレベータ設備、およびこれを制御するための方法
JP2005509581A (ja) * 2001-11-16 2005-04-14 オーチス　エレベータ　カンパニー 昇降路アクセス検知システム
JP2008143614A (ja) * 2006-12-06 2008-06-26 Mitsubishi Electric Corp エレベータの制御装置

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WO2020179011A1 (fr) * 2019-03-06 2020-09-10 三菱電機ビルテクノサービス株式会社 Système de commande d'ascenseur permettant d'empêcher le fonctionnement automatique pendant un travail de maintenance dans une cage d'ascenseur
WO2021075048A1 (fr) * 2019-10-18 2021-04-22 三菱電機株式会社 Appareil d'ascenseur et appareil de détection de position de porte associé
JPWO2021075048A1 (ja) * 2019-10-18 2021-11-11 三菱電機株式会社 エレベータ装置及びそのドア位置検出装置
JP7032613B2 (ja) 2019-10-18 2022-03-08 三菱電機株式会社 エレベータ装置及びそのドア位置検出装置
CN113460824A (zh) * 2020-03-31 2021-10-01 苏州汇川技术有限公司 电梯安全回路故障检测系统、方法、设备及存储介质

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JP5784049B2 (ja) 2015-09-24
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JPWO2012105008A1 (ja) 2014-07-03
EP2671836A4 (fr) 2016-09-21

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