EP3613691B1 - Panneau de commande d'entretien et commande d'ascenseur permettant de commander de manière contrôlée le freinage des mouvements de déplacement d'une cabine d'ascenseur - Google Patents

Panneau de commande d'entretien et commande d'ascenseur permettant de commander de manière contrôlée le freinage des mouvements de déplacement d'une cabine d'ascenseur Download PDF

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Publication number
EP3613691B1
EP3613691B1 EP18189713.3A EP18189713A EP3613691B1 EP 3613691 B1 EP3613691 B1 EP 3613691B1 EP 18189713 A EP18189713 A EP 18189713A EP 3613691 B1 EP3613691 B1 EP 3613691B1
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EP
European Patent Office
Prior art keywords
actuation
button
control
elevator
output
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EP18189713.3A
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German (de)
English (en)
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EP3613691A1 (fr
Inventor
Max Brüllhardt
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Inventio AG
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Inventio AG
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Priority to EP18189713.3A priority Critical patent/EP3613691B1/fr
Priority to CN201910772512.2A priority patent/CN110844730B/zh
Publication of EP3613691A1 publication Critical patent/EP3613691A1/fr
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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0087—Devices facilitating maintenance, repair or inspection tasks

Definitions

  • the present invention relates to a maintenance switchboard and an elevator control for controlling displacement movements of an elevator car, in particular during elevator maintenance, as well as a correspondingly equipped elevator and a method for moving an elevator car.
  • a technician may be necessary for a technician to be able to move an elevator car inside an elevator shaft while he is outside the elevator car, i.e. for example on a roof of the elevator car or in an elevator shaft pit.
  • a maintenance control panel can be provided outside the elevator car, with the aid of which the technician can directly instruct a control unit of the elevator to control a drive of the elevator in such a way that the elevator car is moved in a desired direction.
  • buttons in the form of a release button and two direction buttons i.e. a downward direction button and an upward direction button
  • further switching elements such as an emergency stop switch, an activation switch, etc. can be provided on the maintenance control panel.
  • the technician can use the downward direction button or the upward direction button to specify the direction in which the elevator car is to be moved.
  • the technician In order for the control unit to actually move the elevator car, the technician must additionally press the release button at the same time as one of the direction buttons for safety reasons.
  • buttons are conventionally designed as simple single-stage switching elements which can only be switched back and forth between an unactuated and an actuated actuation state.
  • the buttons can also be referred to as push buttons.
  • a speed at which the elevator car is moved when one of the direction buttons and the release button are pressed, the setting is generally fixed. If necessary, the preset speed can be changed, but only as long as the elevator car is not moved.
  • buttons are already off WO 2017/174692 A1 known.
  • an elevator controller equipped with such an elevator controller and an elevator equipped with such an elevator controller as well as a method to be carried out with a correspondingly equipped elevator controller for relocating an elevator car, in which relocating the elevator car is simple, intuitive and easy / or can be carried out safely.
  • a maintenance switchboard for controlling displacement movements of an elevator car.
  • the maintenance control panel has at least three buttons including a release button and two direction buttons.
  • the two direction buttons include a down direction button and an up direction button.
  • Each of the buttons each has a safety chain input and a safety chain output as well as an actuating element which can be displaced from a non-actuated position in an actuating direction, and when the actuating element is displaced in the actuating direction beyond a respective first actuating position unactuated passes into a first actuated actuation state in which an electrical connection between the safety chain input and the safety chain output is closed.
  • the downward direction button and the upward direction button each have a first control output and are each configured to output a first actuation signal correlating to the first actuation state at the first control output.
  • At least one of the buttons on the maintenance switchboard is designed as a two-stage button and has a second control output in addition to the first control output.
  • the two-stage button is configured so that, in the first actuation state, a first actuation signal correlating with the first actuation state is output at the first control output and no actuation signal is output at the second control output.
  • the two-stage button is configured so that the actuating element can be displaced in the actuating direction beyond the first actuating position into a second actuating position and that the button changes to a second actuated state when the actuating element is displaced in the actuating direction beyond the second actuating position, in which the electrical connection between the safety chain input and the safety chain output is closed, the first actuation signal correlating with the first actuation state is output at the first control output and a second actuation signal correlating with the second actuation state is output at the second control output.
  • an elevator control for controlling displacement movements of an elevator car of an elevator installation.
  • the elevator control has a control unit for controlling a power supply to a drive motor (13) driving the elevator car and a maintenance switchboard according to an embodiment of the first aspect of the invention.
  • Conventional maintenance switchboards are usually relatively simple in design, but must be able to be operated safely and intuitively.
  • Conventional maintenance switchboards usually have a single-stage release button and two likewise single-stage ones Directional buttons, which can be actuated from an unactuated to an actuated actuation state and vice versa, for example, by depressing an actuating element.
  • the technician can specify the direction in which the elevator car is to be shifted by pressing the downward direction button or the upward direction button. In order to actually effect the relocation, the technician must also press the release button at the same time.
  • the maintenance switchboard and in particular its buttons are integrated into a safety chain, with the aid of which the elevator system's control unit can assess whether all safety-critical components are in a state that, for example, allows safe relocation the elevator car allows.
  • a safety chain is interrupted at any point, a main power supply to the drive motor driving the elevator car is usually interrupted and a safety brake is generally activated on the elevator car in order to stop the elevator car quickly and reliably.
  • buttons on the maintenance control panel should be integrated into the safety chain in such a way that the safety chain remains interrupted as long as the release button and one of the direction buttons are not actuated at the same time.
  • the described structure of conventional maintenance switchboards can mean that the technician can only move the elevator car with the maintenance switchboard during maintenance of the elevator system in such a way that, as soon as a destination has been reached with the elevator car, the release button and / or one of the direction buttons is operated by the technician is released.
  • the safety chain is then automatically interrupted and the elevator car is braked abruptly, in particular due to the fact that its safety brake is activated.
  • the mechanical stress caused in particular by the abrupt braking and / or the associated electrical stress should be achieved by using a maintenance switchboard according to a Embodiment of the invention described herein can be avoided or at least reduced.
  • buttons on the maintenance control panel is designed in a special way as a two-stage button.
  • Each of the two direction buttons is preferably designed as a two-stage button.
  • the release button can also be designed as a two-stage button.
  • buttons can initially be designed to provide a functionality similar to that of the buttons on conventional maintenance switchboards.
  • the button can have an actuation element which, starting from a non-actuation position in which it is not depressed by a technician, for example, can be displaced in an actuation direction until an actuation position is reached.
  • This actuation position is referred to below as the first actuation position.
  • the button and its actuation element changes from an unactuated to a first actuated actuation state.
  • an electrical connection between a safety chain input and a safety chain output of the respective button was interrupted in the unactuated actuation state, this electrical connection should be closed in the first actuation state.
  • the safety chain is closed in the area between the safety chain input and the safety chain output of the button.
  • the downward direction button and the upward direction button each have at least one first control output and are each configured to output a first actuation signal at this first control output when the respective button is in the first actuation state.
  • This first actuation signal is intended to correlate with the first actuation state, so that the first actuation signal changes when the actuation element of the pushbutton is pressed from the non-actuation position into the first actuation position.
  • the first actuation signal can be transmitted to the control unit of the elevator installation.
  • the control unit controls the power supply to the drive motor in such a way that the elevator car is shifted upwards or downwards.
  • the two-stage button used in the proposed maintenance panel should also have a second control output.
  • the first actuation signal when the button has been actuated in its first actuation state, the first actuation signal is to be output at the first control output. However, no actuation signal should be output at the second control output during the first actuation state.
  • the two-stage button should now be configured so that the actuation element can be displaced in the actuation direction beyond the first actuation position to a second actuation position. If the actuating element is displaced beyond this second actuating position, the two-stage button with its actuating element is intended to transition into a second actuated actuating state. In this second actuated actuation state, the electrical connection between the safety chain input and the safety chain output should in turn be closed, so that the safety chain is closed in the area of the two-stage button.
  • the first actuation signal should be output at the first control output.
  • a second actuation signal correlating with the second actuation state should be output at the second control output.
  • the second actuation signal should also be output at the second control output.
  • the second actuation position is output Actuation signal on the the second control output is ended and only the first actuation signal is output at the first control output. If the actuation element is then further relaxed to the non-actuation position, this first actuation signal is no longer output at the first control output and at the same time the electrical connection between the safety chain input and the safety chain output of the two-stage button is interrupted.
  • the described functionality of the maintenance switchboard proposed herein can be used in an elevator control to use the control unit provided therein to convert or interpret the first and second actuation signals output by the maintenance switchboard in a manner that ultimately results in a power supply to a drive motor driving the elevator car a journey of the elevator car is no longer abruptly interrupted during a maintenance process and, in particular, a safety brake is no longer abruptly activated.
  • a safety brake is no longer abruptly activated.
  • the elevator control can be designed in such a way that the control unit is electrically connected to the safety chain inputs and safety chain outputs provided on the maintenance switchboard in order to monitor a current switching state of the maintenance switchboard and to automatically interrupt the power supply to the drive motor when the release button is inactive State and / or the upward direction button and the downward movement button are both in the non-actuated state.
  • buttons on the maintenance switchboard can be connected to the control unit in a similar manner as is the case with conventional maintenance switchboards with single-stage buttons.
  • the switching state of the maintenance control panel should be able to be monitored, in particular, in that an electrical connection between the safety chain input and the safety chain output of a button is monitored as part of an overall safety chain.
  • the buttons on the maintenance switchboard can be connected to one another in series and / or in parallel in such a way that, in the event that the release button and one of the direction buttons are not operated at the same time, there is always an interruption of the entire safety chain and thereupon the power supply to the drive motor is interrupted and, if necessary, a safety brake is also activated on the elevator car.
  • the two direction buttons can be connected to one another in parallel and connected together in series with the release button.
  • the maintenance switchboard can communicate with the control unit via the respective first control outputs of the downward direction button and the upward direction button.
  • the control unit can receive the outputted first operation signals from the maintenance panel.
  • the power supply to the drive motor should only be set up by the control unit when both the release button and one of the direction buttons are in their first actuated state and thus the entire safety chain is closed and corresponding first actuation signals are output by the buttons.
  • the functionality of the elevator control proposed here is still similar to that of conventional elevator controls.
  • the elevator control proposed here should also be able to appropriately interpret the second actuation signal that can be output by the maintenance control panel described above.
  • the elevator control should make it possible to avoid abrupt braking of the elevator car.
  • control unit can be electrically connected to the maintenance switchboard via the second control output of the two-stage button and configured to monitor the second actuation signals output by the two-stage button.
  • control unit can be set up to shut down the power supply to the drive motor in a controlled manner upon receipt of a second actuation signal.
  • the maintenance panel due to the two-stage button provided therein, a configuration is possible in which the entire The part of the safety chain running through the maintenance switchboard is closed because the release button and one of the direction buttons are actuated and the second actuation signal can be generated by actuating the two-stage button up to the second actuation state.
  • This second actuation signal can then be transmitted to the control unit and interpreted by it to the effect that the power supply to the drive motor of the elevator should be terminated and thus the displacement of the elevator car should be stopped.
  • the power supply should not be interrupted abruptly, as would be the case if the safety chain were opened. Instead, the power supply should be regulated in a controlled manner so that the elevator car does not stop abruptly, but is stopped within a reasonable period of time and preferably without excessive accelerations.
  • the control unit can be configured to continuously reduce the power supply to the drive motor when a second actuation signal is received.
  • the control unit should continuously reduce the power supply to the drive motor starting, for example, from a maximum power supply in which the elevator car is displaced at a maximum speed.
  • the power supply should be reduced gradually, that is to say without abrupt jumps. Accordingly, the elevator car can be braked relatively gently through the controlled reduction of the power supply. In this way, in particular, mechanical and / or electrical loads on components of the elevator, which can occur when the elevator car is braked abruptly, can be avoided.
  • control unit can also be set up to activate a brake, in particular the safety brake, on the elevator car after the power supply to the drive motor has been reduced.
  • a brake in particular the safety brake
  • the elevator car can be securely fixed in its position. Because the brake is only activated after the power supply to the drive motor has been regulated in a controlled manner, it can be ensured that the brake does not already engage while the elevator car is still moving, but only when it has come to a complete stop. In this way, an abrupt braking of the elevator car and associated mechanical and / or electrical loads within the elevator can be avoided.
  • the described functionality of the elevator control proposed herein can be used, for example, by a technician as part of a maintenance process in order to be able to move the elevator car of the elevator system in a controlled manner with the aid of the maintenance switchboard according to an embodiment of the third aspect of the invention.
  • the technician can start the displacement movement of the elevator car by simultaneously pressing the release button and one of the direction buttons up to their respective first actuation position.
  • the part of the safety chain running through the maintenance switchboard is closed and the first actuation signal is also generated, on the basis of which the elevator control sets up the power supply to the drive motor of the elevator system.
  • the displacement movement of the elevator car can then be maintained by holding the release button and the direction button in their first actuation positions until the elevator car has been moved to shortly before a target position.
  • the technician recognizes that the elevator car has almost reached its destination, he can initiate a controlled braking process of the elevator car by pressing the two-stage button on the maintenance control panel up to its second actuation position. This generates the second actuation signal and this second actuation signal causes the elevator control to shut down the power supply to the drive motor in a controlled manner and thus to brake the elevator car in a controlled manner.
  • the technician Preferably only when the elevator car has come to a complete standstill does the technician release the actuation of the release button and / or the direction button.
  • control unit forcibly interrupts the power supply to the drive motor and, if necessary, activates the safety brake on the elevator car, if this has not already been done after the controlled reduction of the power supply upon receipt of the second actuation signal.
  • the technician is thus given the opportunity to move the elevator car in an intuitive manner, similar to conventional maintenance switchboards.
  • the operation of the buttons on the maintenance control panel is initially similar or identical to that of conventional maintenance control panels.
  • the technician is given the opportunity to brake the elevator car in a controlled manner and thus to stop the elevator car before it would be forcibly stopped abruptly if the safety chain was interrupted.
  • the two-stage button can be designed in a special way.
  • the two-stage button can furthermore have a first control input and a second control input.
  • the two-stage button can be configured to close a first electrical connection between the first control input and the first control output in the first actuation state and to keep a second electrical connection between the second control input and the second control output open.
  • the two-stage button can be configured to close both the first electrical connection between the first control input and the first control output and the second electrical connection between the second control input and the second control output in the second actuation state.
  • the two-stage button can be designed so that, if it is only pressed down slightly into its first actuation state, only the first electrical connection between the first control input and the first control output is closed, and if it continues is depressed until its second actuation state, in addition to this first electrical connection, a second electrical connection is also closed between the second control input and the second control output.
  • the closing of the first electrical connection can be associated with the generation of the first actuation signal and the closure of the second electrical connection can be associated with the generation of the second actuation signal.
  • the two-stage button can have the actuating element and a contact closure element.
  • the actuating element can be configured to keep the second electrical connection open in the non-actuated state and in the first actuated state and to close the second electrical connection in the second actuated state.
  • the contact closure element can be configured to keep the first electrical connection open in the non-actuated state and to close the first electrical connection in the first actuated state and in the second actuated state.
  • the two-stage button can be equipped with two movable elements, namely the actuating element and the contact closure element.
  • the actuating element can be actuated directly by a user, for example by being depressed.
  • the actuation element can be configured in the two-stage button in such a way that it closes the second electrical connection and the second actuation signal is thus generated exclusively in the event that the actuation element is actuated up to the second actuation state.
  • the second electrical connection remains open.
  • the contact closure element can preferably only be actuated indirectly by the user, for example by the user actuating the actuation element and this in turn interacts with the contact closure element.
  • the contact closure element in the two-stage button should be configured in such a way that as long as the actuation element is not actuated, the first electrical connection remains open, but that as soon as the actuation element is actuated at least into the first actuation state or beyond that into the second Operating state is operated, the contact closure element closes the first electrical connection.
  • the two-stage button with its actuation element and its contact closure element can implement the desired functionality described above, i.e. generate no actuation signal in the non-actuation state, generate the first actuation signal in the first actuation state and additionally generate the second actuation signal in the second actuation state.
  • the two-stage button can also have a housing.
  • the actuating element and the contact closure element can in this case be displaceable relative to one another and relative to the housing in the actuating direction.
  • the contact closure element can then be held on the housing via a first spring element which is elastically deformable in the actuation direction and the actuation element can be held on the contact closure element via a second spring element which is elastically deformable in the actuation direction.
  • the two movable elements of the two-stage pushbutton can be accommodated together in a housing and can be moved relative to the housing, whereby they can also be displaced relative to one another.
  • the two movable elements can be supported in relation to the housing by a first and a second elastically deformable spring element, so that the actuating element is pressed towards the non-actuated position, for example in the unloaded state.
  • the contact closure element can be supported directly on the housing.
  • a first spring element can be arranged between the contact closure element and the housing that is elastically deformable, in particular compressible, in the actuating direction. By overcoming a spring force of the first spring element, the contact closure element can be displaced in the actuation direction and, when the first actuation position is reached, close the first electrical connection and thus generate the first actuation signal.
  • the actuating element can only be supported indirectly on the housing in the actuating direction, that is to say via the contact closure element.
  • a second spring element can be arranged between the contact closure element and the actuation element, which is also elastic in the actuation direction is deformable, in particular compressible.
  • the spring elements can be designed as springs, for example as spiral springs or helical springs, and for example consist of an elastically deformable material such as metal.
  • the spring elements can consist of an elastically compressible material such as an elastomer, for example, and in this case can have different geometries.
  • the first spring element can have a softer spring constant than the second spring element. In this way it can be achieved that when the actuating element is actuated, the first spring element is first deformed and the contact closing element is displaced relative to the housing before it closes the first electrical connection when the actuating element reaches the first actuating position. The contact closure element and / or the first spring element can then be held against a stop, so that the second spring element is then deformed when the actuating element is actuated again. When the actuating element reaches the second actuating position, it closes the second electrical connection.
  • the button achieves the desired two-stage functionality, in which, for example, only the first actuation signal is generated when the button is pressed down slightly and the first and the second actuation signal are generated when the button is pressed down more.
  • buttons in the maintenance control panel can be designed as positively driven buttons or switches or that safety regulations can even compulsorily prescribe this.
  • Fig. 1 shows an elevator installation 1 according to an embodiment of the present invention.
  • an elevator car 9 and a counterweight 11 which are connected to one another via common support means 17, for example in the form of several belts, can be displaced with the aid of a drive pulley 15 driven by a drive motor 13.
  • a power supply to the drive motor 13 is controlled by a control unit 5.
  • the control unit 5 establishes a power supply to the drive motor 13, inter alia, only when a safety chain monitored by the control unit 5 is closed by the elevator installation 1.
  • the safety chain is formed from a series connection of several safety components such as several door switches for monitoring a door closing state on different elevator doors, an overspeed switch for monitoring an overspeed that occurs when the elevator car 9 is moved, etc.
  • the control unit 5 can ensure that the elevator car 9 is only relocated when all the safety components in the elevator installation 1 signal an operationally safe state.
  • the elevator car 9 should be able to be relocated by a technician who is located outside the elevator car 9 and stands on a roof of the elevator car 9, for example.
  • a maintenance control panel 3 is provided at the appropriate point.
  • the maintenance switchboard 3 can communicate with the control unit 5 and together with it form an elevator control 7, which can be used, in particular, during the maintenance mode to control displacement movements of the elevator installation 1.
  • the maintenance switchboard 3 is integrated into the safety chain of the elevator installation 1 for safety reasons.
  • buttons 18 in the form of a release button 19 and two direction buttons 22, i.e. a downward direction button 21 and an upward direction button 23, are provided.
  • Each of the buttons 18 can be temporarily actuated by depressing an actuating element 27 and thereby brought from an unactuated to an actuated state. If the button 18 is then released, it can automatically spring back into the non-actuated state.
  • the three buttons 18 are designed to be at least one stage, i.e. they have at least two switching states and can be actuated from the non-actuated state to the actuated state.
  • Each of the buttons 18 is integrated into the safety chain of the elevator system 1.
  • a part of the safety chain of the elevator installation guided via the respective button 18 is locally interrupted.
  • the part of the safety chain running through the respective button 18 is closed in the button 18 only when the button 18 is actuated.
  • At least one of the three buttons 18 in the maintenance switchboard 3 according to the invention is not designed as a single stage, but rather as a two stage.
  • the actuating element 27 can proceed from the non-actuated position not only to a first actuated position, but further be moved up to a second actuation position, a first actuation signal being output when the first actuation position is reached or exceeded and a second actuation signal is additionally output when the second actuation position is reached or exceeded.
  • Fig. 2 illustrates an example of an embodiment of a button 18, which is designed as a two-stage button 25, for a maintenance switchboard 3 according to the invention.
  • the two-stage button 25 comprises a housing 29 in which the actuating element 27 and a contact closure element 33 are accommodated.
  • the actuation element 27 can be displaced relative to the housing 29.
  • the contact closure element 33 can also be displaced relative to the housing 29 and also relative to the actuating element 27 in the actuating direction 31.
  • a first spring element 35 is provided which can be compressed in the actuation direction F when the force F is exerted.
  • a second spring element 37 is provided between the actuating element 27 and the contact closing element 33.
  • the second spring element 37 is harder, i.e. has a harder spring constant, than the first spring element 35.
  • the two-stage button 25 has a safety chain input 41 and a safety chain output 43.
  • the safety chain input 41 and the safety chain output 43 are each electrically connected to one of two contact surfaces 45.
  • a bridging surface 47 is provided on the contact closure element 33, which can be brought into contact with the two contact surfaces 45 in order to then close an electrical connection between the two contact surfaces 45 and thus between the safety chain input 41 and the safety chain output 43.
  • the two-stage button 25 also has a first control input 51 and a first control output 53, which in turn are each electrically connected to one of two contact surfaces 55. Opposite to these contact surfaces 55 is on the Contact closure element 33, a further bridging surface 57 is provided, which can be brought into contact with the two contact surfaces 55 in order to close an electrical connection between the two contact surfaces 55 and thus between the first control input 51 and the first control output 53.
  • the two-stage button 25 has a second control input 59 and a second control output 61, which are also each connected to one of two contact surfaces 63. Opposite these contact surfaces 63, a bridging surface 65 is provided on the actuating element 27, which can be brought into contact with the two contact surfaces 63 in order to close an electrical connection between these two contact surfaces 63 and thus between the second control input 59 and the second control output 61 .
  • a maintenance technician can, for example, depress the actuation element 27 by exerting the force F in the actuation direction 31, starting from a non-actuation position 67 downwards to a first actuation position 69. Since the second spring element 37 is harder than the first spring element 35, the contact closure element 33 is displaced downwards in the actuation direction 31 to approximately the same extent as the actuation element 27.
  • the bridging surface 47 on the contact closure element 33 makes contact with the two opposite contact surfaces 45 and thus short-circuits the safety chain inputs and outputs 41, 43 connected to them. Since the safety chain inputs and outputs 41, 43 are integrated into an entire safety chain of the elevator installation 1, the part of the safety chain that runs through the button 18 is closed.
  • the other bridging surface 57 on the contact closure element 33 makes contact with the contact surfaces 55 opposite it and thus short-circuits the first control inputs and outputs 51, 53 connected to them.
  • the two-stage button 25 can generate a first actuation signal that correlates with its first actuation state.
  • This first actuation signal can, for example, be sent to the via the first control inputs and outputs 51, 53 with the two-stage button 25 connected control unit 5 of the elevator installation 1 are transmitted.
  • the two-stage button 25 can, however, be actuated further beyond the first actuation position 69 by pressing the actuation element 27 further down. Since the contact closure element 33 can no longer be displaced further in the actuation direction 31 once it has reached the first actuation position 69, since it rests against a stop, the second spring element 37 is then compressed in this case. For the user, this has the effect that a lower spring force needs to be overcome in order to depress the actuation element 27 up to the first actuation position 69 than in the case of a further depression of the actuation element 27.
  • the bridging surface 65 When a second actuation position 71 is reached, the bridging surface 65 then comes into contact with the contact surfaces 63, so that the second control inputs and outputs 59, 61 are short-circuited.
  • the two-stage button 25 By closing the electrical connection between the second control inputs and outputs 59, 61, the two-stage button 25 can generate a second actuation signal that correlates with its second actuation state.
  • This second actuation signal can, for example, be transmitted to the control unit 5 of the elevator installation 1 connected to the two-stage button 25 via the second control inputs and outputs 59, 61.
  • a maintenance process and the displacement of the elevator car 9 to be controlled via a maintenance switchboard 3 according to the invention are described below by way of example with reference to FIG Fig. 3 described.
  • the two direction buttons 22 are each designed as two-stage buttons 25. This can support an intuitive operation of the maintenance control panel.
  • a maintenance technician can first activate the maintenance control panel 3 by, for example, actuating an activation switch (not shown) on the maintenance control panel 3. All buttons 18 are initially in their unactuated state B0.
  • the displacement movement of the elevator car 9 can then be started in that the maintenance technician simultaneously actuates the release button 19 and one of the direction buttons 22 by depressing the actuating element 27 of the respective button 18 up to its respective first actuation position 69 and thus the first actuation state B1 adjusts.
  • the parts of the safety chain of the elevator installation 1 that run through the actuated buttons 18 are closed, so that a power supply to the drive motor 13 is no longer interrupted.
  • a first actuation signal is generated at the actuated direction button 22, on the basis of which the control unit 5 can recognize the direction in which the elevator car 9 is to be displaced and can accordingly supply the drive motor 13 with power.
  • the maintenance technician can keep the release button 19 and the respective direction button 22 actuated until the elevator car 9 has been moved just before a desired target position.
  • the maintenance technician can initiate a controlled braking process of the elevator car 9 with the aid of the maintenance switchboard 3.
  • the maintenance technician can continue to depress the actuating element 27 of the direction button 22, which is held in the first actuation state, until its second actuation position 71 and thus the second actuation state B2 are reached.
  • This direction button 22 then generates the second actuation signal.
  • the control unit 5 receives this second actuation signal, it begins to regulate the power supply to the drive motor 13 in a controlled, continuously reducing manner.
  • the elevator car 9 is braked in a controlled manner in this way.
  • the control unit 5 can also activate its safety brake.
  • the maintenance technician can then release the actuation of the release button 19 and the previously actuated direction button 22 again at time t 2 and, for example, to one Time t 3 deactivate the maintenance switchboard 3 and, if necessary, end the maintenance process.

Landscapes

  • Elevator Control (AREA)

Claims (13)

  1. Panneau de commande de maintenance (3) permettant de commander les mouvements de déplacement d'une cabine d'ascenseur (9) d'une installation d'ascenseur (1), dans lequel le panneau de commande de maintenance (3) comporte :
    au moins trois boutons (18) comprenant un bouton de déverrouillage (19) et deux boutons de direction (22) comprenant un bouton de direction vers le bas (21) et un bouton de direction vers le haut (23) ;
    dans lequel chacun des boutons (18) comporte respectivement une entrée de chaîne de sécurité (41) et une sortie de chaîne de sécurité (43), ainsi qu'un élément d'actionnement (27), lequel peut être déplacé dans une direction d'actionnement (31) à partir d'une position de non-actionnement (67) et lequel, lorsque l'élément d'actionnement (27) est déplacé dans la direction d'actionnement (31), passe au-delà d'une première position d'actionnement (69) respective d'un état d'actionnement non actionné (B0) à un premier état d'actionnement (B1) actionné, dans lequel une connexion électrique entre l'entrée de chaîne de sécurité (41) et la sortie de chaîne de sécurité (43) est fermée de telle sorte qu'une partie d'une chaîne de sécurité de l'installation d'ascenseur (1) s'étendant à travers le bouton (18) est fermée ;
    dans lequel le bouton de direction vers le bas (21) et le bouton de direction vers le haut (23) comportent respectivement une première sortie de commande (53) et sont respectivement conçus de telle sorte que dans le premier état d'actionnement (B1), un premier signal d'actionnement en corrélation avec le premier état d'actionnement (B1) est émis à la première sortie de commande (53) ;
    dans lequel l'au moins un des boutons (18) est conçu sous la forme d'un bouton à deux niveaux (25) et
    - comporte la première sortie de commande (53) et une seconde sortie de commande (61),
    - est conçu de telle sorte que dans le premier état d'actionnement (B1), un premier signal d'actionnement en corrélation avec le premier état d'actionnement (B1) est émis au niveau de la première sortie de commande (53), et aucun signal d'actionnement n'est émis au niveau de la seconde sortie de commande (61), et
    - est conçu de telle sorte que l'élément d'actionnement (27) peut être déplacé dans la direction d'actionnement (31) au-delà de la première position d'actionnement (69) dans une seconde position d'actionnement (71), et que le bouton à deux niveaux (25), lorsque l'élément d'actionnement (27) est déplacé dans la direction d'actionnement (31), passe au-delà de la seconde position d'actionnement (71) dans un second état d'actionnement (B2) actionné, dans lequel la connexion électrique entre l'entrée de chaîne de sécurité (41) et la sortie de chaîne de sécurité (43) est fermée, le premier signal d'actionnement en corrélation avec le premier état d'actionnement (B1) est émis à la première sortie de commande (53) et un second signal d'actionnement en corrélation avec le second état d'actionnement (B2) est émis à la seconde sortie de commande (61).
  2. Panneau de commande de maintenance selon la revendication 1,
    dans lequel le bouton à deux niveaux (25) comporte en outre une première entrée de commande (51) et une seconde entrée de commande (59) et dans lequel le bouton à deux niveaux (25) est conçu pour fermer une première connexion électrique entre la première entrée de commande (51) et la première sortie de commande (53) dans le premier état d'actionnement (B1) et pour maintenir une seconde connexion électrique ouverte entre la seconde entrée de commande (59) et la seconde sortie de commande (61), et dans lequel le bouton à deux niveaux (25) est en outre conçu pour fermer à la fois la première connexion électrique entre la première entrée de commande (51) et la première sortie de commande (53) et la seconde connexion électrique entre la seconde entrée de commande (59) et la seconde sortie de commande (61) dans le second état d'actionnement (B2).
  3. Panneau de commande de maintenance selon la revendication 2,
    dans lequel le bouton à deux niveaux (25) comporte l'élément d'actionnement (27) et un élément de fermeture de contact (33),
    dans lequel l'élément d'actionnement (27) est conçu pour maintenir la seconde connexion électrique ouverte dans l'état de non-actionnement (B0) et dans le premier état d'actionnement (B1) et pour fermer la seconde connexion électrique dans le second état d'actionnement (B2), et
    dans lequel l'élément de fermeture de contact (33) est conçu pour maintenir la première connexion électrique ouverte dans l'état de non-actionnement (B0) et pour fermer la première connexion électrique dans le premier état d'actionnement (B1), ainsi que dans le second état d'actionnement (B2).
  4. Panneau de commande de maintenance selon la revendication 3,
    dans lequel le bouton à deux niveaux (25) comporte en outre un boîtier (29), dans lequel l'élément d'actionnement (27) et l'élément de fermeture de contact (33) peuvent être déplacés l'un par rapport à l'autre et par rapport au boîtier (29) dans la direction d'actionnement (31), et
    dans lequel l'élément de fermeture de contact (33) est maintenu sur le boîtier (29) par l'intermédiaire d'un premier élément ressort (35) déformable élastiquement dans la direction d'actionnement (31), et
    dans lequel l'élément d'actionnement (27) est maintenu sur l'élément de fermeture de contact (33) par l'intermédiaire d'un second élément ressort (37) déformable élastiquement dans la direction d'actionnement (31).
  5. Panneau de commande de maintenance selon la revendication 4, dans lequel le premier élément ressort (35) présente une constante de ressort plus souple que le second élément de ressort (37).
  6. Panneau de commande de maintenance selon l'une quelconque des revendications précédentes, dans lequel les boutons de direction (22) sont respectivement conçus sous la forme de boutons à deux niveaux (25).
  7. Commande d'ascenseur (7) permettant de commander les mouvements de déplacement d'une cabine d'ascenseur (9) d'une installation d'ascenseur (1), comportant :
    une unité de commande (5) permettant de commander une alimentation électrique à un moteur d'entraînement (13) entraînant la cabine d'ascenseur (9) ;
    un panneau de commande de maintenance (3) selon l'une quelconque des revendications précédentes.
  8. Commande d'ascenseur selon la revendication 7,
    dans laquelle l'unité de commande (5) est connectée électriquement aux entrées de chaîne de sécurité (41) et aux sorties de chaîne de sécurité (43) situées sur le panneau de commande de maintenance (3) afin de surveiller un état de commande actuel du panneau de commande de maintenance (3) et de couper automatiquement l'alimentation électrique au moteur d'entraînement (13) lorsque au moins l'une des conditions suivantes s'applique :
    (i) le bouton de déverrouillage (19) est à l'état non actionné ;
    (ii) le bouton de direction vers le haut (21) et le bouton de direction vers le bas (23) sont tous deux à l'état non actionné.
  9. Commande d'ascenseur selon l'une quelconque des revendications 7 et 8,
    dans laquelle l'unité de commande (5) est connectée électriquement au panneau de commande de maintenance (3) par l'intermédiaire de la seconde sortie de commande (61) du bouton à deux niveaux (25) afin de surveiller les seconds signaux d'actionnement émis par le bouton à deux niveaux (25), et
    dans laquelle l'unité de commande (5) est conçue pour réguler l'alimentation électrique au moteur d'entraînement (13) de manière commandée lors de la réception d'un second signal d'actionnement.
  10. Commande d'ascenseur selon la revendication 9, dans laquelle l'unité de commande (5) est conçue pour réguler l'alimentation électrique au moteur d'entraînement (13) de manière réduite en continu lors de la réception d'un second signal d'actionnement.
  11. Commande d'ascenseur selon l'une quelconque des revendications 9 et 10, dans laquelle l'unité de commande (5) est conçue pour activer un frein sur la cabine d'ascenseur (9) après la régulation de l'alimentation électrique au moteur d'entraînement (13).
  12. Système d'ascenseur (1) comportant une commande d'ascenseur (7) selon l'une quelconque des revendications 7 à 11.
  13. Procédé de déplacement d'une cabine d'ascenseur (9) d'une installation d'ascenseur (1) au moyen d'une commande d'ascenseur (7) selon l'une quelconque des revendications 7 à 11, dans lequel le procédé comprend :
    le démarrage d'un mouvement de déplacement de la cabine d'ascenseur (9) par actionnement simultané du bouton de déverrouillage (19) et de l'un des boutons de direction (22) jusqu'à leur première position d'actionnement (69) respective ;
    le maintien du mouvement de déplacement de la cabine d'ascenseur (9) par maintien simultané du bouton de déverrouillage (19) et de l'un des boutons de direction (22) dans leur position d'actionnement (69) respective jusqu'à ce que la cabine d'ascenseur (9) se soit déplacée juste avant une position cible ;
    le lancement d'un processus de freinage commandé de la cabine d'ascenseur (9) par actionnement du bouton à deux niveaux (25) jusqu'à sa seconde position d'actionnement ;
    le relâchement de l'actionnement du bouton de déverrouillage (19) et de l'un des boutons de direction (22) dès que la cabine d'ascenseur (9) est arrivée à un état d'arrêt.
EP18189713.3A 2018-08-20 2018-08-20 Panneau de commande d'entretien et commande d'ascenseur permettant de commander de manière contrôlée le freinage des mouvements de déplacement d'une cabine d'ascenseur Active EP3613691B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP18189713.3A EP3613691B1 (fr) 2018-08-20 2018-08-20 Panneau de commande d'entretien et commande d'ascenseur permettant de commander de manière contrôlée le freinage des mouvements de déplacement d'une cabine d'ascenseur
CN201910772512.2A CN110844730B (zh) 2018-08-20 2019-08-20 用于控制电梯轿厢的移位运动的维护开关面板和电梯控制器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18189713.3A EP3613691B1 (fr) 2018-08-20 2018-08-20 Panneau de commande d'entretien et commande d'ascenseur permettant de commander de manière contrôlée le freinage des mouvements de déplacement d'une cabine d'ascenseur

Publications (2)

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EP3613691A1 EP3613691A1 (fr) 2020-02-26
EP3613691B1 true EP3613691B1 (fr) 2021-10-27

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EP18189713.3A Active EP3613691B1 (fr) 2018-08-20 2018-08-20 Panneau de commande d'entretien et commande d'ascenseur permettant de commander de manière contrôlée le freinage des mouvements de déplacement d'une cabine d'ascenseur

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EP (1) EP3613691B1 (fr)
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Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5938589A (en) * 1997-07-15 1999-08-17 Fuji Photo Optical Co., Ltd. Control switch device for an endoscope duct
US6196355B1 (en) * 1999-03-26 2001-03-06 Otis Elevator Company Elevator rescue system
JP2002343192A (ja) * 2001-05-14 2002-11-29 Alps Electric Co Ltd 複合操作型入力装置
JP4133204B2 (ja) * 2002-10-16 2008-08-13 三菱電機株式会社 エレベータ用かご操作盤
DE102008057993B3 (de) * 2008-11-19 2010-01-07 Demag Cranes & Components Gmbh Bedienungsgerät für die Handbetätigung von Hebezeugen
DE102016205892A1 (de) * 2016-04-08 2017-10-12 Thyssenkrupp Ag Inspektionssteuerung für Aufzugsanlagen

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CN110844730B (zh) 2022-09-30
EP3613691A1 (fr) 2020-02-26

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