EP3347298B1 - Dispositif et procede de surveillance d'un mode d'entretien d'un ascenseur - Google Patents

Dispositif et procede de surveillance d'un mode d'entretien d'un ascenseur Download PDF

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Publication number
EP3347298B1
EP3347298B1 EP16763040.9A EP16763040A EP3347298B1 EP 3347298 B1 EP3347298 B1 EP 3347298B1 EP 16763040 A EP16763040 A EP 16763040A EP 3347298 B1 EP3347298 B1 EP 3347298B1
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EP
European Patent Office
Prior art keywords
signal
signals
sequence
controller
elevator
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German (de)
English (en)
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EP3347298A1 (fr
EP3347298B2 (fr
Inventor
Markus Walker
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Inventio AG
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Inventio AG
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    • 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
    • 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
    • B66B1/3407—Setting or modification of parameters of the control system
    • 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
    • B66B1/3415—Control system configuration and the data transmission or communication within the control system
    • 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
    • B66B3/002—Indicators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B2201/00—Aspects of control systems of elevators

Definitions

  • the present invention relates generally to elevator installations.
  • the present invention relates to a control device and an elevator monitoring device for monitoring a maintenance mode of an elevator system and a method for terminating a maintenance mode of an elevator system.
  • serviceable and / or maintenance-requiring components of the elevator installation can be located in particular below a car which can be moved between floors of a building in an elevator shaft.
  • These components may for example be arranged on a lower side of the car and / or inside the elevator shaft.
  • the elevator installation can generally be put into a maintenance mode in which operation of the car can be blocked, or in which the car can only be moved between certain positions within the elevator shaft and / or between certain floors.
  • a maintenance switch for example, can be activated, which, for example, next to the respective shaft door or the maintenance hatch and / or can be located on a car roof.
  • the maintenance hatch may generally denote, for example, a service access and / or a service door.
  • the shaft door and / or the maintenance hatch can be coupled to a safety switch of a safety chain of the elevator installation, so that when opening or unlocking the shaft door and / or the maintenance hatch operation of the car can be locked, for example by interrupting a power supply to a drive of the car ,
  • the maintenance switch may, for example, designate an emergency brake switch which, when activated, can interrupt the safety chain and stop door movements, for example.
  • the maintenance switch can designate an inspection switch which, when activated, can interrupt the safety chain and / or activate another branch of the safety chain, so that movements of the car and / or door movements can be prevented.
  • the elevator system After completion of the maintenance work and after leaving the hoistway by pressing, e.g. Deactivate, the maintenance switch of the maintenance mode are terminated and by closing or locking the shaft door and, consequently, by closing the safety chain, the elevator system can be placed in a regular driving, in which the car can be moved.
  • the EP 2033927 A1 describes an elevator chain with a safety chain having a first safety switch having normal operation branch for enabling a supply of electric energy to a drive and an inspection operation branch, which is designed to allow a supply of electric energy to the drive during maintenance.
  • the WO 2014/016135 A1 describes a control unit for monitoring a maintenance mode of an elevator system.
  • a control device for monitoring a maintenance mode of an elevator installation which has a controller and a memory device.
  • the controller is designed to receive a first signal upon locking a locking device of a shaft door of the elevator installation, via which an elevator shaft of the elevator installation is accessible for maintenance work, and a second signal when the locking device is unlocked.
  • the controller is adapted to compare a temporal signal sequence of first signals and second signals with a stored in the memory device reference sequence for actuation of the locking device, wherein the controller is further executed, in accordance with the signal sequence of the first signals and second signals the reference sequence to end the maintenance mode and release a car of the elevator system for a driving operation.
  • the first signal and the second signal can be considered as different or separate signals or as states or parts of a single signal.
  • the reference sequence for an actuation of the locking device can be approximately a reference sequence of the expected signal sequence of first and second signals in the case of multiple consecutive locking and unlocking of the locking device describe.
  • the reference sequence can thus for example map and / or represent a definable actuation pattern of the locking device, which represents a chronological sequence or sequence of locking and unlocking operations of the locking device and / or can correlate with this sequence. Leaves the staff after maintenance and / or a shaft inspection the elevator shaft so this can operate the locking device according to and / or analogous to the defined or stored in the reference sequence actuation pattern, for example by multiple successive locking and unlocking the locking device.
  • the chronological signal sequence of first signals which may correspond to a respective locking signal of the locking device
  • second signals which may correspond to an unlocking signal, for example
  • the controller can thus compare the received signal sequence with the reference sequence and terminate the maintenance mode if they match.
  • the controller may at least partially store the signal sequence of received first and / or second signals in the memory device.
  • the controller may further process and / or process the first and / or second signals for comparison with the reference sequence.
  • control device can be ensured in an advantageous manner that no staff is more for maintenance in the elevator shaft, as this has repeatedly operated the arranged outside the elevator shaft locking device of the shaft door. Accordingly, it can be ensured by the control device according to the invention that the maintenance mode of the elevator system can be terminated and the regular driving operation can be resumed.
  • a safety function or safety measure provided by the control unit according to the invention can serve to implement the safety standard EN 81-20: 2014 for elevator installations, which provides equipment for elevator installations with a device arranged to exit the maintenance mode outside the elevator shaft.
  • a locking device for locking and unlocking or closing and opening the shaft door is usually arranged on most shaft doors, which is designed as a coupled to a sensor element lock.
  • the lock is usually with a key, such as a triangular key, operated by the staff.
  • the control device according to the invention can be retrofitted so cost-effective and fast in an advantageous manner.
  • the control unit according to the invention without Attaching further controls on the elevator system and / or retrofitted without further adaptation of the elevator system or be installed in newly manufactured elevator systems, regardless of a type and / or a design of the elevator system.
  • customer wishes regarding an appearance of the elevator system, in particular the shaft doors and / or the car can be implemented flexibly and without visible adaptation of the elevator system.
  • the controller of the controller may generally designate a logic device.
  • the controller may designate and / or include a microcontroller, a processor, a Field Programmable Gate Array (FPGA), and / or any other programmable data processing device.
  • the controller may be implemented and / or appropriately set up, for example, programmed, for all of the above and below functions. For this purpose, the controller can access corresponding instructions stored in a program code.
  • the storage device may designate any device for storing and / or retrieving data, and may include, for example, a floppy disk, a hard disk, a USB storage device, a Random Access Memory, a Read Only Memory (ROM), a FLASH device. Memory and / or an EPROM memory (Erasable Programmable Read Only Memory).
  • Another aspect of the invention relates to an elevator monitoring device having a controller as described above and described below.
  • Another aspect of the invention relates to a method for terminating a maintenance mode of the elevator installation.
  • the reference sequence comprises a time sequence of the first signal, second signal, first signal, second signal and first signal, or the reference sequence comprises a time sequence of the second signal, first signal, second signal, first signal and second signal.
  • the mentioned Sequences of first and second signals may be suitably mapped in the reference sequence, for example by storing a binary string and / or list in the memory device, wherein one binary value may correspond to the first signal and another binary value to the second signal. It is also conceivable to deposit a duration of the respective first and second signals in the reference sequence.
  • the reference sequence can thus contain a kind of Morse code, so that time-resolved actuation patterns for the actuation of the locking device can also be represented by the reference sequence or be imaged in it.
  • the reference sequence is elevator-specific.
  • the reference sequence is advantageously lift-specific, e.g. individually from an individual identification e.g. a serial number of an elevator installation or installation data, and can be stored in the storage device. This stored reference sequence may be retrieved or otherwise learned by personnel performing maintenance. As a result, the safety measure for personnel in an installation or maintenance work can be further improved.
  • the reference sequence can be prevented from being abused if it becomes undesirably public.
  • Maintenance personnel may use the reference sequence e.g. remove it from a suitable, non-publicly accessible location of the elevator installation or can query the reference sequence from a central database.
  • the reference sequence may further be time-specific, e.g. change after a certain time interval and / or only be valid for a certain period after a first input. Furthermore, the reference sequence may be for a certain, absolutely definable period, e.g. specified by date and / or time.
  • the controller is designed to take into account only those first signals and / or second signals which last at least 0.1 seconds and at most 10 seconds, for example at least 0.3 seconds and at most 2.2 seconds, preferably at least 0.5 seconds and no more than 2.0 seconds.
  • the controller may be designed to be first and / or discard second signals that are shorter and / or longer than the specified intervals.
  • the specified lower limits of the intervals may denote and / or represent a time resolution of the controller with which the controller can receive and / or take into account a first and / or second signal.
  • the locking device may comprise a sensor element, such as an electro-mechanical switch, which can oscillate between a locked and an unlocked state in a short time interval after mechanical actuation of the locking device, with a fast oscillating and periodically alternating sequence of first and second signals can be generated.
  • Such behavior of an electro-mechanical switch is known as bouncing.
  • the time resolution of the controller as indicated above by the lower limits of the respective intervals, be selected.
  • the locking device can be opened and closed several times in succession as part of regular maintenance work, i. locked and unlocked are, with such successive operations of the locking device are usually several seconds time offset.
  • the upper limits of the respective intervals can be selected.
  • the controller is designed to take into account only those intermediate sequences of first signals and second signals which last between 0.1 seconds and 10 seconds, for example between 0.3 seconds and 2.2 seconds, preferably between 0, 5 seconds and 2.0 seconds.
  • the intermediate sequence comprises a temporal signal sequence of the first signal, the second signal and the first signal or a temporal signal sequence of the second signal, the first signal and the second signal.
  • bouncing signals and / or signal sequences generated by other actuation of the locking device can thus advantageously be distinguished from those signal sequences which are provided for ending the maintenance mode by the personnel.
  • the controller is configured to release the elevator car only when at least two consecutive signal sequences of first signals and second signals respectively correspond to the reference sequence.
  • the staff actuates the locking device at least twice in succession according to the reference sequence or according to the actuation pattern corresponding to the reference sequence.
  • a safety function provided by the control unit can advantageously be increased further in an advantageous manner.
  • a further aspect of the invention relates to an elevator monitoring device for monitoring a maintenance mode and / or a shaft inspection of an elevator installation.
  • the elevator monitoring device has a control unit, as described above and below.
  • the elevator monitoring device has a plurality of locking devices for a plurality of shaft doors of the elevator installation, the locking devices each having at least one sensor element which is respectively coupled to the controller of the control device and which is designed in each case in response to a locking of the respective locking device Generate the first signal and generate the second signal in response to unlocking the respective locking device.
  • a sensor element which can be designed to monitor an actuation state of the locking device can each be arranged on the shaft doors of the elevator installation or its locking devices.
  • the sensor elements can be connected in series, for example, as a safety chain of the elevator system and coupled with the controller for signal propagation.
  • the sensor elements may be, for example, cable-based and / or wirelessly coupled to the controller and / or connected.
  • the sensor elements can actively and / or send the first and / or second signal to the controller.
  • the controller can monitor a state of the sensor elements and thus pick up the first and / or second signals from the sensor elements.
  • the sensor elements of the locking devices each have at least one electro-mechanical switch.
  • the locking device may, for example, comprise an electromechanical switch coupled to a lock of the shaft door, wherein the lock or the locking device is provided with a corresponding key, such as a Triangle key that allows personnel to lock and unlock.
  • a corresponding key such as a Triangle key that allows personnel to lock and unlock.
  • electromechanical switch By using an electromechanical switch, the mechanical actuation of the locking device by the personnel can thus advantageously be converted into an electrical signal that can be processed by the controller.
  • electro-mechanical switches can be characterized by a long life and low error rate.
  • the sensor elements of the locking devices may each comprise a magnetic sensor, a Hall sensor, a radio frequency identification (RFID) and / or another type of sensor.
  • RFID radio frequency identification
  • the controller of the controller is coupled to a drive of a car of the elevator installation and to a safety chain of the elevator installation, wherein the safety chain comprises a plurality of, for example, in series, safety switches, wherein the safety switches each coupled to at least one of the locking devices are, and wherein the safety switches are each designed to interrupt the safety chain upon unlocking the respective locking device.
  • the controller is further coupled to at least one maintenance switch configured to indicate to the controller a maintenance mode of the elevator system.
  • the safety switches of the safety chain can be part of the locking devices of the shaft doors.
  • the safety chain can be interrupted and a method of the car can be prevented, for example by interrupting a power supply to the drive.
  • the controller may be cable-based and / or wirelessly coupled to the security chain (s) and / or connected.
  • the maintenance switch may designate a switch which may be located within the hoistway adjacent to one or more hoistway doors. Upon activation of the maintenance switch, the elevator installation can be placed in the maintenance mode, wherein a method of the car can be completely prevented or only between certain positions within the elevator shaft and / or between certain floors may be possible.
  • the controller may be cable-based and / or wirelessly coupled and / or connected to the maintenance switches.
  • the controller is designed, upon activation of the maintenance switch and / or in the event of an interrupted safety chain, driving the car, for example by interrupting the power supply to the car Drive to block and / or stop. Further, after activating the maintenance switch and subsequently deactivating the maintenance switch, the controller is configured to release the car drive only when the safety chain is fully closed, for example, when all safety switches of the safety chain are closed, and when the timing sequence of first signals and second signals with the stored in the memory device reference sequence for the operation of the locking devices.
  • Such a safety of the elevator system can be increased in an advantageous manner, since it can be ensured with the safety chain closed that all shaft doors are locked, and since it can be ensured with deactivated maintenance switch and coincidence of the signal sequence with the reference sequence that no more personnel in the Elevator shaft is located.
  • the elevator monitoring device furthermore has at least one acoustic and / or optical signal transmitter which is coupled to the controller of the controller, the controller being designed to match the sequence of signals of the first signals and second signals to the reference sequence and / or in case of deviation of the signal sequence from the reference sequence to control the signal generator.
  • the controller can control the signal generator such that it emits an acoustically and / or optically perceptible signal. In this way, for the personnel who actuates the locking device according to the illustrated in the reference sequence operating pattern, advantageously an acoustic and / or visual feedback regarding a correctness of the actuation pattern done.
  • the signal generator can have, for example, a loudspeaker and / or a signal lamp.
  • the controller may alternatively or additionally also be operated upon actuation of the maintenance switch, e.g. an inspection switch to control the signal generator and by issuing an acoustically and / or visually perceptible signal to ask the staff to operate the locking device according to the actuation pattern.
  • the maintenance switch e.g. an inspection switch to control the signal generator and by issuing an acoustically and / or visually perceptible signal to ask the staff to operate the locking device according to the actuation pattern.
  • the elevator monitoring device further comprises a device for storing and / or resetting the reference sequence in the memory device.
  • the reference sequence can advantageously be defined and / or changed.
  • the device for storing and / or resetting the reference sequence has at least one operating switch on an operating terminal and / or on a service terminal of the elevator installation.
  • the device for storing and / or resetting the reference sequence may have a switch on a landing operating panel (LOP), which can be actuated in particular for resetting, for example, with a key.
  • LOP landing operating panel
  • the reference sequence can be entered by inputting a switching pattern on a LOP and thus stored in the memory device.
  • a key such as a triangular key, lockable and openable box or a box or a flap in the vicinity of a shaft door, approximately on a lowest floor, be arranged, wherein in the box or the box or behind the flap may be arranged a switch of the device for resetting the reference sequence.
  • a menu item for storing and / or resetting the reference sequence can be provided on a service terminal of the elevator installation that can be operated by a service staff.
  • the method comprises the step of multiple successive actuation of a locking device of a shaft door of the elevator system, wherein when locking the locking device, a first signal and unlocking the locking device, a second signal is generated, so that in the step of multiple successive actuation of the locking device a temporal signal sequence of first signals and second signals is generated.
  • the multiple successive actuation of the locking device may, for example, denote a multiple successive locking and unlocking of the locking device.
  • the method comprises the step of comparing, with a control unit of the elevator installation, the temporal signal sequence of first signals and second signals with a reference sequence stored in the control unit for actuating the locking device.
  • the method comprises the step of releasing, by the control device, a car of the elevator installation for a driving operation in accordance with the temporal signal sequence of first signals and second signals with the reference sequence.
  • the step of comparing the signal sequence with the reference sequence may further comprise a substep of processing and / or processing the first and / or second signals. Furthermore, the step of comparing may comprise the sub-step of storing the signal sequence in the storage device of the control device.
  • the method further comprises the step of disabling a maintenance switch of the elevator installation and closing a safety chain of the elevator installation prior to the step of the multiple and successive actuation of the locking device.
  • a maintenance switch of the elevator installation after maintenance work, the operator leaves the hoistway, deactivates the service switch, locks the hoistway door so that the safety chain can be closed, and then operates the interlocking device according to the operation pattern stored in the reference sequence, thereby ending the maintenance mode and a regular driving operation can be accommodated. This can advantageously increase the safety of the elevator installation.
  • the step of operating the interlocking device in succession several times in succession is performed so that a first signal sequence of first signals and second signals and a second signal sequence of first signals and second signals are generated, wherein the step of comparing the signal sequence comprising, with the reference sequence, comparing the first signal sequence and the second signal sequence with the reference sequence.
  • the car is released upon coincidence of the first signal sequence and the second signal sequence with the reference sequence.
  • the personnel for terminating the maintenance mode actuates the locking device at least twice in succession according to the actuation pattern defined in the reference sequence.
  • Fig. 1 shows a control unit 10 for monitoring a maintenance mode and / or a shaft inspection of an elevator installation 100 according to an embodiment of the invention.
  • the control unit 10 has a controller 12 and a memory device 14.
  • the controller 10 may be e.g. a logic device, a microcontroller, an FPGA and / or another type of data processing device.
  • the storage device 14 may refer to any type of device for storing and / or retrieving data, such as a data storage device. a floppy disk, hard disk, USB storage device, RAM, ROM, FLASH, and / or EPROM.
  • the controller 12 is designed to do so, e.g. configured according to programming technology, upon receiving a locking device 18 of a shaft door 16 of the elevator installation 100, a first signal and, upon unlocking of the locking device 18, a second signal.
  • the controller 10 may have a suitable interface 11, which may be coupled to the locking device 18 and / or connected.
  • the controller 12 itself may have a suitable interface 13 via which it can be coupled to the locking device 18 and / or connected.
  • the locking device 18 has a sensor element 20.
  • the sensor element 20 may comprise, for example, an electro-mechanical switch 21, which may be coupled to a lock 22 of the shaft door 16 or the locking device 18.
  • the lock 22 can with a key, eg a triangular key, operated by personnel, ie locked and unlocked. If the lock 22 is locked, the sensor element 20 generates in response to the locking process, the first signal and can forward it via the interface 11 and / or the interface 13 to the controller 12 and / or send. Accordingly, the sensor element 20 may itself comprise a logic device. If the lock 22 and thus the locking device 18 and the landing door 16 are unlocked, the sensor element 20 generates the second signal in response to the unlocking process and can forward it to the controller 12 via the interface 11 and / or the interface 13 and / or transmit ,
  • the controller 12 can monitor and / or read out a state of the sensor element 20 and / or the locking device 18, so that the controller 12 can detect an actuation of the locking device 18 in this way.
  • the controller 12 can further process the first and / or second signals received by the locking device 18 and / or the sensor element 20 of the locking device 18 and, if appropriate, deposit and / or store them in the memory device 14.
  • a monitoring of the maintenance mode with the control unit 10 according to the invention can be carried out as described below. If the staff leave the elevator shaft after maintenance, this can be removed, e.g. with the triangular key, the lock 22 and / or the locking device 18 repeatedly actuate or alternately locked and unlocked. According to the invention, this multiple actuation of the locking device 18 is to take place in accordance with a defined pattern or actuation pattern.
  • a temporal signal sequence and / or sequence of first and second signals is generated via the sensor element 20 of the locking device 18.
  • the signal sequence can be an alternating sequence of first and second signal.
  • the signal sequence can then be received by the controller 12 and compared with a stored in the memory device 14 reference sequence, wherein in the reference sequence, the defined operation pattern is shown and / or stored. If the signal sequence matches the reference sequence, the controller 12 ends the maintenance mode of the elevator installation 100 and releases, for example, a car of the elevator installation for regular driving operation.
  • the reference sequence can represent any conceivable sequence of first and second signals. Also, in the reference sequence, a period of time for certain positions of the sequence, similar to a Morse code, be deposited. To that However, to make operating patterns for the personnel not too complex, it may be advantageous if the reference sequence is a time sequence of the first signal, second signal, first signal, second signal and first signal, or a temporal sequence of second signal, first signal, second Signal, first signal and second signal includes.
  • the controller 12 takes into account only those first signals and / or second signals which last at least 0.1 seconds and at most 10 seconds, preferably at least 0.5 seconds and at most 2.0 seconds.
  • the controller 12 takes into account only those intermediate sequences of first signals and second signals which last between 0.1 seconds and 10 seconds, preferably between 0.5 seconds and 2.0 seconds.
  • the intermediate sequence may include a temporal signal sequence of the first signal, the second signal and the first signal or a temporal signal sequence of the second signal, the first signal and the second signal.
  • a first signal sequence and a second signal sequence can be generated and received by the controller 12, which can each be compared with the reference sequence. Accordingly, it may be provided that the first and second signal sequence should each coincide with the reference sequence in order to end the maintenance mode and to release the car of the elevator installation 100.
  • Fig. 2 shows an elevator monitoring device 50 with a control unit 10 for monitoring a maintenance mode of an elevator installation 100 according to an embodiment of the invention.
  • the elevator monitoring device 50 can all at Fig. 1 have described features, functions and properties.
  • the elevator monitoring device 50 has a control device 10 with a controller 12 and a storage device 14 as well as a plurality of locking devices 18 for a plurality of shaft doors 16.
  • the shaft doors 16 can be arranged approximately on different floors of a building, between which a car 52 can be moved in an elevator shaft 54 of the elevator system 100.
  • the locking devices 18 each have at least one sensor element 20 and / or an electro-mechanical switch 21, which are respectively coupled or connected to the control device 10 and / or the controller 12.
  • the sensor elements 20 are each designed to monitor an actuation state of the respective landing door 16 and to generate the first signal when the respective locking device 18 is locked and the second signal when the respective locking device is unlocked, which in turn is generated by the control device 10 and / or the controller 12 can be received.
  • control unit 10 and / or the controller 12 is coupled to a drive 58 of the elevator installation 100, which is designed to move the car 52 within the elevator shaft.
  • control unit 10 and / or the controller 12 is coupled to a safety chain 56, which has a plurality of safety switches 24 connected in series.
  • the safety switches 24 can be provided by the locking devices 18 and / or the associated sensor elements 20 or the electro-mechanical switches 21. Also, additional safety switches 24 coupled to the locking devices 18 may be provided.
  • the safety switches 24 are each designed to interrupt the safety chain 56 when unlocking one of the locking devices 18 and thus to prevent a driving operation of the car 52, for example by interrupting a power supply to the drive 58.
  • the controller 10 and / or the controller 12 is coupled to at least one maintenance switch 60 and / or connected.
  • a maintenance switch 60 can be arranged and / or provided on each floor within the elevator shaft 54 near each shaft door 16. Accordingly, the controller 10 may be coupled to a plurality of maintenance switches 60.
  • the elevator monitoring device 50 further has an acoustic and / or optical signal transmitter 62 which communicates with the controller 12 and / or the control unit 10 is coupled.
  • the signal generator 62 may, for example, have a loudspeaker and / or a signal lamp.
  • a monitoring of the maintenance mode with the aid of the elevator monitoring device 50 according to the invention can be carried out as described below.
  • the personnel opens one of the shaft doors 16 and unlocks one of the locking devices 18, which in turn one of the safety switch 24 and the safety chain 56 is opened.
  • the control unit 10 or the controller 12 blocks and / or blocks the drive 58 of the elevator installation 100 so that the elevator car 52 can no longer be moved.
  • the personnel can then enter the elevator shaft 52 and activate at least one of the maintenance switches 60, whereby the elevator system can be put into maintenance mode and the drive can be further blocked. Leaves the staff after the maintenance of the elevator shaft 54, it disables the maintenance switch 60 and locks the locking device 18, whereby the safety chain 56 can be closed again.
  • the control unit 10 or the controller 12 continues to block and / or block the drive until, analogously to the embodiment of FIG Fig. 1 described procedure, the staff actuates the locking device 18 according to the defined actuation pattern, in turn, the signal sequence of first and second signals is generated and received by the controller 12. Only when the signal sequence coincides with the stored in the memory device 14 reference sequence, the controller 10 or the controller 12 terminates the maintenance mode and releases the drive 58 again, so that the car 52 can be moved in a regular driving operation. In other words, according to the invention, the maintenance mode is only ended when the safety chain 56 is completely closed, all maintenance switches 60 are deactivated and the signal sequence matches the reference sequence.
  • the actuation pattern is to be input twice in succession by the staff in order to end the maintenance mode.
  • the control unit 10 and / or the controller 12 can also control the signal generator 62 in such a way that it outputs an acoustic and / or optical confirmation signal as feedback for the personnel. Even if the signal sequence deviates from the reference sequence, the control unit 10 and / or the controller 12 can control the signal generator 62 in such a way that it outputs an error signal as feedback for the personnel.
  • the elevator monitoring device 50 can optionally have a device 64 for storing and / or resetting the reference sequence in the storage device 14.
  • the device 64 for storing and / or resetting the reference sequence can have at least one operating switch on an operating terminal and / or on a service terminal of the elevator installation.
  • the device 64 for storing and / or resetting the reference sequence can have a switch on a landing operating panel (LOP), which can be actuated in particular for resetting, for example with a key.
  • LOP landing operating panel
  • the reference sequence can be entered by inputting a switching pattern on a LOP and thus stored in the memory device 14.
  • a key such as a triangular key, lockable and openable box or a box or a flap in the vicinity of a shaft door, approximately on a lowest floor, be arranged, wherein in the box or the box or behind the flap may be arranged a switch of the device 64 for resetting the reference sequence.
  • a menu item for storing and / or resetting the reference sequence can be provided on a service terminal that can be operated by a service personnel of the elevator installation 100.
  • FIG. 12 is a flowchart illustrating steps of a method for terminating a maintenance mode of an elevator installation 100 according to an embodiment of the invention.
  • the method has a step S1 of multiple consecutive actuation of the locking device 18, which step may comprise a multiple successive locking and unlocking of the locking device 18.
  • a temporal signal sequence of first signals and second signals is generated, which is received by the controller 10 and / or the controller 12.
  • step S1 may comprise a substep of deactivating the maintenance switch 60 of the elevator installation 100 and / or closing the safety chain 56 of the elevator installation 100 before operating the locking device 18 several times and in succession.
  • the method comprises a step S2 of comparing, with the controller 10 and / or the controller 12, the temporal signal sequence of first signals and second signals with the stored in the controller 10 and the storage device 14 of the controller 10 reference sequence for operating the locking device 18.
  • the step S2 of comparison may include a substep of the drive, by the controller 10 and / or the controller 12, of the signal generator 64 in case of coincidence and / or deviation of the signal sequence and the reference sequence.
  • the step S2 of comparing may comprise a substep of outputting a confirmation signal via the signal generator 64 and / or outputting an error signal via the signal generator 64.
  • step S2 in a further step S1 ' the locking device 18 is repeatedly and successively actuated according to the actuation pattern, so that a further signal sequence is generated, which in turn can be compared with the reference sequence analogous to step S2 .
  • the signal generator 64 is actuated again to output the acknowledgment signal and / or the error signal.
  • the method comprises a step S3 of releasing, by the control unit 10 and / or the controller 12, the car 52 of the elevator installation 100 for the driving operation in accordance with the temporal signal sequence of first signals and second signals with the reference sequence.
  • step S1 comprises disabling the maintenance switch 60 and / or closing the safety chain 56, it may be provided in step S3 that the car 52 is released only when the maintenance switch 60, closed safety chain 56 and in the sequence of signals with the reference sequence ,
  • the method can be carried out as described below during maintenance work on an elevator installation 100.
  • the personnel can access the elevator shaft 54 via one of the shaft doors 16 and / or via a maintenance hatch.
  • the staff enters the elevator shaft 54 via the landing door 16, it can ensure that the elevator car 52 is not located at a basic terminal of the elevator installation 100.
  • the personnel can unlock the locking device 18 and open the shaft door 16, whereby the safety chain 56 can be interrupted.
  • the car 52 may then remain stationary.
  • the staff can make sure that the car 52 is stationary.
  • the personnel may activate a light switch of the hoistway 54 and the maintenance switch 60.
  • the elevator system 100 can then be placed in a or stop mode or the maintenance mode switch, wherein the safety chain 56 is interrupted and a door movement can be prevented as long as the maintenance switch 60 is activated.
  • the staff can then enter the elevator shaft 54, for example via a ladder, and if necessary close the shaft door 16 again and lock the locking device 18.
  • the safety switch 24 of the safety chain 56 on the corresponding shaft door 16 can be closed, but the safety chain 56 remains interrupted when the maintenance chute 60 is activated.
  • the staff can open the landing door 16 again and unlock the locking device 18 again.
  • the associated safety switch 24 is opened and the drive 58 of the elevator car 52 can remain blocked.
  • the personnel may exit the elevator shaft 54, deactivate the light switch and the maintenance switch 60, close the shaft door 16 again and lock the locking device 18.
  • the safety chain 56 can thereby be completely closed, but the drive 58 remains blocked.
  • the staff may then operate the locking device 18 once or twice according to the operation pattern, which may be recognized by the controller 10 and / or the controller 12. If the generated signal sequence or signal sequences correspond to the reference sequence, the drive 58 can be released again, the elevator system 100 can optionally carry out a correction and / or test drive and then resume the regular driving operation.
  • the maintenance hatch may itself have a safety switch or not be coupled to the safety chain 56. If the maintenance hatch has a safety switch, then when the maintenance hatch is opened, the safety chain 56 is interrupted analogously to the above and the drive 58 is blocked.
  • the personnel may enter the elevator shaft 54, activate the light switch and the maintenance switch 60, thereby placing the elevator system 100 in the rest or maintenance mode.
  • the personnel enters the elevator shaft 54 and closes the maintenance hatch, whereby - if present - the safety switch can be closed.
  • the drive 58 remains blocked again when the maintenance switch 60 is activated. After maintenance, personnel will reopen the service hatch, allowing the safety switch to be opened again, if available.
  • the personnel can deactivate the light switch and the maintenance switch 60 as well as close and / or lock the maintenance hatch, whereby the safety chain 56 can be closed. However, the drive 58 can remain blocked.
  • the personnel can go to one of the shaft doors 16 and the locking device 18 according to the actuation pattern once or Press twice what can be detected by the controller 10 and / or the controller 12. If the generated signal sequence or the signal sequences match the reference sequence, the drive 58 can be released again, the elevator installation 100 can optionally carry out a correction and / or test drive and then resume regular driving operation.

Landscapes

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

Claims (16)

  1. Appareil de commande (10) pour la surveillance d'un mode de maintenance d'une installation d'ascenseur (100), comprenant :
    un dispositif de commande (12) ; et
    un dispositif de stockage (14) ;
    le dispositif de commande (12) étant conçu pour recevoir un premier signal lorsqu'un dispositif de verrouillage (18) d'une porte de cage (16) de l'installation d'ascenseur (100), par laquelle une cage d'ascenseur (54) de l'installation d'ascenseur (100) est accessible pour des travaux de maintenance, est verrouillé et pour recevoir un second signal lorsque le dispositif de verrouillage (18) est déverrouillé, le dispositif de commande (12) étant conçu pour comparer une séquence temporelle de premiers signaux et de seconds signaux à une séquence de référence stockée dans le dispositif de stockage (14) pour actionner le dispositif de verrouillage (18), le dispositif de commande (12) étant en outre conçu pour arrêter le mode de maintenance et pour libérer le fonctionnement d'une cabine (52) de l'installation d'ascenseur (100) lorsque la séquence de premiers signaux et de seconds signaux correspond à la séquence de référence.
  2. Appareil de commande (10) selon la revendication 1, la séquence de référence comprenant une séquence temporelle de premier signal, de second signal, de premier signal, de second signal et de premier signal, ou la séquence de référence comprenant une séquence temporelle de second signal, de premier signal, de second signal, de premier signal et de second signal.
  3. Appareil de commande (10) selon la revendication 1 ou 2, la séquence de référence étant spécifiquement conçue pour les installations d'ascenseur.
  4. Appareil de commande (10) selon l'une des revendications précédentes, le dispositif de commande (12) étant conçu pour ne prendre en compte que les premiers signaux et/ou seconds signaux qui durent au moins 0,1 seconde et au plus 10 secondes, et/ou le dispositif de commande (12) étant conçu pour ne prendre en compte que les séquences intermédiaires de premiers signaux et seconds signaux qui durent entre 0,1 seconde et 10 secondes, la séquence intermédiaire comprenant une séquence temporelle du signal de premier signal, de second signal et de premier signal ou une séquence temporelle de signal de second signal, de premier signal et de second signal.
  5. Appareil de commande (10) selon l'une des revendications précédentes, le dispositif de commande (12) étant conçu pour libérer la cabine (52) de l'installation d'ascenseur (100) seulement lorsqu'au moins deux séquences de signaux successives de premiers et seconds signaux correspondent chacune à la séquence de référence.
  6. Dispositif de surveillance d'ascenseur (50) pour la surveillance d'un mode de maintenance d'une installation d'ascenseur (100), comprenant :
    un appareil de commande (10) selon l'une des revendications précédentes ;
    une pluralité de dispositifs de verrouillage (18) pour une pluralité de portes de cage (16) de l'installation d'ascenseur (100), les dispositifs de verrouillage (18) comprenant chacun au moins un élément de détection (20) qui est accouplé respectivement au dispositif de commande (12) de l'appareil de commande (10) et lequel élément de détection est conçu pour générer le premier signal en réponse au verrouillage du dispositif de verrouillage (18) respectif et pour générer le second signal en réponse au déverrouillage du dispositif de verrouillage (18) respectif.
  7. Dispositif de surveillance d'ascenseur (50) selon la revendication 6, les éléments de détection (20) des dispositifs de verrouillage (18) comportant chacun au moins un interrupteur électromécanique (21).
  8. Dispositif de surveillance d'ascenseur (50) selon l'une des revendications 6 ou 7, le dispositif de commande (12) de l'appareil de commande (10) étant accouplé à un entraînement (58) d'une cabine (52) de l'installation d'ascenseur (100) et à une chaîne de sécurité (56) de l'installation d'ascenseur (100), la chaîne de sécurité (100) comportant une pluralité d'interrupteurs de sécurité (24), les interrupteurs de sécurité (24) étant reliés chacun à au moins un dispositif de verrouillage (18), les interrupteurs de sécurité (24) étant chacun conçus pour interrompre la chaîne de sécurité (56) lorsque le dispositif de verrouillage (18) respectif est déverrouillé, et le dispositif de commande (12) étant en outre accouplé à au moins un interrupteur de maintenance (60) conçu pour indiquer au dispositif de commande (12) un mode de maintenance de l'installation d'ascenseur (100).
  9. Dispositif de surveillance d'ascenseur (50) selon la revendication 8, le dispositif de commande (12) étant conçu pour bloquer l'entraînement (58) de la cabine (52) lorsque l'interrupteur de maintenance (60) est activé et/ou lorsque la chaîne de sécurité (56) est interrompue, et le dispositif de commande (12) étant conçu pour libérer l'entraînement (58) de la cabine (52) après l'activation de l'interrupteur de maintenance (60) et la désactivation consécutive de l'interrupteur de maintenance (60) seulement lorsque la chaîne de sécurité (56) est complètement fermée et que la séquence temporelle des premiers signaux et seconds signaux correspond à la séquence de référence stockée dans le dispositif de stockage (14) pour actionner le dispositif de verrouillage (18).
  10. Dispositif de surveillance d'ascenseur (50) selon l'une des revendications 6 à 9, le dispositif de surveillance d'ascenseur (50) comprend en outre au moins un émetteur de signaux acoustiques et/ou optiques (62) qui est accouplé au dispositif de commande (12) de l'appareil de commande (10), le dispositif de commande (12) étant conçu pour commander l'émetteur de signal (62) lorsque la séquence des premiers et seconds signaux correspond à la séquence de référence et/ou lorsque la séquence de signaux diffère de la séquence de référence.
  11. Dispositif de surveillance d'ascenseur (50) selon l'une des revendications 6 à 10, le dispositif de surveillance d'ascenseur (50) comprenant en outre un dispositif (64) de stockage et/ou de réinitialisation de la séquence de référence dans le dispositif de stockage (14).
  12. Dispositif de surveillance d'ascenseur (50) selon la revendication 11, le dispositif (64) de stockage et/ou de réinitialisation de la séquence de référence comporte au moins un interrupteur de commande sur un terminal de commande et/ou sur un terminal de service de l'installation d'ascenseur (100).
  13. Procédé d'arrêt d'un mode de maintenance d'une installation d'ascenseur (100), le procédé comprenant les étapes :
    d'actionnement successif multiple d'un dispositif de verrouillage (18) d'une porte de cage (16) de l'installation d'ascenseur (100), un premier signal étant produit lorsque le dispositif de verrouillage (18) est verrouillé et un second signal étant produit lorsque le dispositif de verrouillage (18) est déverrouillé, de sorte qu'une séquence temporelle de premiers et seconds signaux soit générée lors de l'étape d'actionnement successif multiple du dispositif de verrouillage (18) ;
    de comparaison, à l'aide d'un appareil de commande (10) de l'installation d'ascenseur (100), de la séquence temporelle de premiers et seconds signaux avec une séquence de référence stockée dans l'appareil de commande (10) pour actionner le dispositif de verrouillage (18) ; et
    de libération, par l'appareil de commande (10), d'une cabine (52) de l'installation d'ascenseur (100) pour un fonctionnement lorsque la séquence temporelle des premiers et seconds signaux correspond à la séquence de référence.
  14. Procédé selon la revendication 13, la séquence de référence étant spécifiquement conçue pour les installations d'ascenseur.
  15. Procédé selon l'une des revendications 13 ou 14, comprenant en outre l'étape de désactivation d'un interrupteur de maintenance (60) de l'installation d'ascenseur (100) et de fermeture d'une chaîne de sécurité (56) de l'installation d'ascenseur (100) avant l'étape d'actionnement multiple et successif du dispositif de verrouillage (18).
  16. Procédé selon l'une des revendications 13 à 15, l'étape d'actionnement successif multiple du dispositif de verrouillage (18) est réalisée au moins deux fois de suite, de sorte qu'une première séquence de premiers et seconds signaux et une seconde séquence de premiers et seconds signaux soient générées, l'étape de comparaison de la séquence de signaux avec la séquence de référence comprenant une comparaison de la première séquence de signaux et de la seconde séquence de signaux avec la séquence de référence, et la cabine (52) étant libérée lorsque la première séquence de signaux et la seconde séquence de signaux correspondent à la séquence de référence.
EP16763040.9A 2015-09-11 2016-09-09 Dispositif et procede de surveillance d'un mode d'entretien d'un ascenseur Active EP3347298B2 (fr)

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EP15184820 2015-09-11
PCT/EP2016/071245 WO2017042306A1 (fr) 2015-09-11 2016-09-09 Dispositif et procédé de surveillance d'un mode de maintenance d'une installation d'ascenseur

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EP (1) EP3347298B2 (fr)
CN (1) CN108025887B (fr)
AU (1) AU2016320400B2 (fr)
BR (1) BR112018003939B1 (fr)
CA (1) CA2996459A1 (fr)
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WO2020064510A1 (fr) 2018-09-25 2020-04-02 Inventio Ag Procédé et dispositif de commande d'ascenseur permettant de commander un mode de maintenance d'une installation d'ascenseur
AU2019348253B2 (en) * 2018-09-28 2023-02-16 Inventio Ag Control system assembly for MRL-elevator
EP3643674B1 (fr) * 2018-10-26 2022-08-10 Otis Elevator Company Système d'ascenseur
WO2021121905A1 (fr) * 2019-12-17 2021-06-24 Inventio Ag Procédé permettant de faire fonctionner un ascenseur pour une inspection
WO2021223982A1 (fr) * 2020-05-08 2021-11-11 Inventio Ag Procédé de fonctionnement d'un système de tapis roulants par configuration fiable d'un dispositif de sécurité électronique
EP4214149B1 (fr) * 2020-09-17 2024-10-30 Inventio Ag Dispositif de sécurité permettant de commander les fonctions ucm et udm relatives à la sécurité dans une installation d'ascenseur
US20240010464A1 (en) * 2020-11-10 2024-01-11 Inventio Ag Method for operating an elevator for maintenance
CN113543105B (zh) * 2021-07-20 2023-12-01 盐城市质量技术监督综合检验检测中心(盐城市产品质量监督检验所) 一种面向电梯安全监控的边缘计算网关及其监控系统、方法
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WO2017042306A1 (fr) 2017-03-16
EP3347298A1 (fr) 2018-07-18
US20180244496A1 (en) 2018-08-30
ES2759928T3 (es) 2020-05-12
BR112018003939B1 (pt) 2023-02-14
EP3347298B2 (fr) 2023-01-18
AU2016320400B2 (en) 2019-08-29
CN108025887A (zh) 2018-05-11
BR112018003939A2 (pt) 2018-09-25
US11505428B2 (en) 2022-11-22
AU2016320400A1 (en) 2018-04-05
HK1247905B (zh) 2020-07-03
CN108025887B (zh) 2019-09-24
CA2996459A1 (fr) 2017-03-16

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