EP1289870B1 - Dispositif de securite pour portes d'ascenseur - Google Patents

Dispositif de securite pour portes d'ascenseur Download PDF

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Publication number
EP1289870B1
EP1289870B1 EP01933536A EP01933536A EP1289870B1 EP 1289870 B1 EP1289870 B1 EP 1289870B1 EP 01933536 A EP01933536 A EP 01933536A EP 01933536 A EP01933536 A EP 01933536A EP 1289870 B1 EP1289870 B1 EP 1289870B1
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EP
European Patent Office
Prior art keywords
door
sliding door
lift
detector
sliding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP01933536A
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German (de)
English (en)
Other versions
EP1289870A1 (fr
Inventor
Beat De Coi
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Cedes AG
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Cedes AG
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Publication date
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Publication of EP1289870A1 publication Critical patent/EP1289870A1/fr
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Publication of EP1289870B1 publication Critical patent/EP1289870B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/24—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers
    • B66B13/26—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers between closing doors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/40—Safety devices, e.g. detection of obstructions or end positions
    • E05F15/42—Detection using safety edges
    • E05F15/43—Detection using safety edges responsive to disruption of energy beams, e.g. light or sound
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/40—Safety devices, e.g. detection of obstructions or end positions
    • E05F15/42—Detection using safety edges
    • E05F15/43—Detection using safety edges responsive to disruption of energy beams, e.g. light or sound
    • E05F2015/434—Detection using safety edges responsive to disruption of energy beams, e.g. light or sound with cameras or optical sensors
    • E05F2015/435—Detection using safety edges responsive to disruption of energy beams, e.g. light or sound with cameras or optical sensors by interruption of the beam
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
    • E05Y2400/65—Power or signal transmission
    • E05Y2400/66—Wireless transmission
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/40—Mounting location; Visibility of the elements
    • E05Y2600/46—Mounting location; Visibility of the elements in or on the wing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/104—Application of doors, windows, wings or fittings thereof for buildings or parts thereof for elevators

Definitions

  • the invention relates to a safety device for elevator systems according to the preamble of patent claim 1.
  • the invention also relates to a method for operating the safety device according to the invention.
  • both the elevator car and the elevator shaft are usually provided with automatically operable sliding doors.
  • these may be single or multi-leaf single sliding doors or central opening double sliding doors.
  • the different types of doors can be combined with each other in different elevator systems.
  • the problem with automatically opening sliding doors is in particular the pinch between the surface of the door leaf and the door jamb.
  • multi-part sliding doors also analog squish edges between the surface of the respective door leaf part and the front edge of adjacent in the direction of the door jamb further door leaf part.
  • the sliding doors of the known elevator system have a certain risk that an object leaning against the sliding door or even a body part of a person applied to the sliding door is entrained and pinched by the automatically opening sliding door. Especially with children, it can happen that they press the palms against the door surface out of a certain playfulness.
  • chrome steel doors as they have been used in the past mostly as sliding doors of elevators, this led to little risk because of the low coefficient of friction.
  • glass sliding doors have increasingly been used in elevators. Because of the unobstructed insight into the function of the elevator from the outside, glass sliding doors exert a magical attraction on people and especially on children. But now the coefficient of friction of glass against the skin is relatively high. Moisture, such as sweat, on the skin further increases the adhesion of the skin to the glass surface. As a result, the hand can be taken away from the opening glass sliding door and pinched at the pinch point This can cause injury if you try to clear your hand.
  • the sliding doors of the lift shaft are generally passive doors. This means that the lift shaft doors in the corresponding floors can only be opened automatically together with the sliding doors of the elevator car that is in front of it.
  • the drive for the sliding doors of the elevator car is usually located on the cabin roof. Appropriately trained drivers on the sliding doors of the elevator car provide the opening of the elevator shaft doors.
  • a difficulty in the implementation of a system with a number of presence sensors is to guide the signals of the presence sensors that elevator shaft door in front of the elevator car to the elevator car, so that the door drive can optionally be transferred or interrupted in a slow opening mode. Additional problems are caused by the logical connection of the presence sensors, so that the correct functioning of the elevator system is maintained. The large number of sensors and the expected effort in their installation and linking have probably led in the past that such complex safety devices were not used in the known elevator systems.
  • the transparent disc is provided with a surface contact detector.
  • the detector reacts to touch and is connected to an evaluation, which prevents an opening movement of the disc in the event of contact. Because of the relatively high coefficient of friction of glass against the skin and because of the follow-up time of the elevator door, however, it may still come to a pinching of the hand.
  • the touch detector may also or additionally be attached to the side opening delimiting the door opening. According to the disclosure of DE 299 06 535 U1, this arrangement makes use of the knowledge that an opening door leaf, on which a hand is supported, eventually presses the hand against the side frame and at the latest then shuts off the door drive. However, it is neglected that due to the lag time of the elevator door, the risk of pinching at the pinch edge is still relatively large.
  • FR 1 584 379 likewise describes an elevator door which is equipped with a safety device which triggers when the door is touched.
  • the electrostatic potential of the door surface is monitored, which is changed by a touch.
  • mechanical coupling members are provided for the transmission of information about the state of the elevator door to the incoming elevator car.
  • the accessible surface of the elevator door must be conductive or coated with a conductive foil or the like.
  • the mechanical coupling for information transmission requires a considerable installation and assembly costs, which makes the proposed safety device hardly suitable for retrofitting existing elevator systems.
  • the elevator door must be touched for the safety device to trip. However, this involves the risk that the touching hand is pinched at the pinch edges.
  • the safety device should be suitable for easy retrofitting. An unintentional or Intentional damage of the safety reasoning should be avoided and vandalistic acts should not be challenged at all.
  • the safety device is designed for elevator systems with an elevator car which can be changed in its position in a lift shaft.
  • the entrances to the elevator shaft and to the elevator car each have at least one sliding door which can be actuated automatically via a drive, preferably arranged on the elevator car.
  • At least one detector device is provided on each sliding door, which is arranged in the region of a pinch edge between a sliding door and a door jamb and / or between two adjoining sliding door leaves. Depending on the state of the monitored areas, the detector device generates a door release signal or ensures interruption of the drive for opening the sliding doors.
  • the detection devices on the sliding doors each comprise at least one non-contact presence sensor for non-contact monitoring, in particular of the areas facing the audience in front of the sliding doors.
  • means are provided which, depending on the position of the elevator car, permit an exchange of information between the detector device of the elevator car and the detector device of that elevator shaft door which is to be automatically opened next together with the sliding door of the elevator car.
  • these means are designed for a wireless exchange of information between the detector device of the elevator car and the detector device of the elevator shaft door to be opened next.
  • a non-contact occupancy sensor which not only monitors the pinch edge but also a region of the sliding door or sliding door leaf that lies in front of the pinch edge, offers the guarantee that accidents caused by trapping foreign bodies are avoided.
  • the extended monitoring area takes into account the running of the sliding door after interrupting the door drive.
  • this solution offers the possibility of giving automatic warning signals or indications even before the sliding door is opened, when a foreign body is detected in the monitoring area.
  • suitable control technology can even be provided that in the presence of a foreign body in the monitoring area of the drive to open the sliding door is initially operated with a reduced power and speed to give enough time for the removal of the foreign body from the danger area.
  • the non-contact presence sensor provided in the area of each squeeze edge is insensitive to damage since it can be completely integrated into the construction.
  • a presence sensor based on invisible electromagnetic and / or acoustic signals there is virtually no indication of its presence; potential vandalistic acts are thereby eliminated from the outset.
  • presence sensors based on visible signals such as a light curtain
  • Presence sensors based on visible signals have the advantage that the danger zone is immediately displayed.
  • the inventive safety device has a compact design and is particularly suitable for retrofitting existing, automatically operated sliding door systems.
  • the detector devices on the sliding doors of the elevator shaft are equipped with wireless transmission devices which enable wireless transmission of information about the state of the monitored area of the pinch edge (s) of the sliding door to a receiving device provided on the elevator car.
  • This has the advantage that the signals do not have to be routed via long signal lines and the suspension cable of the elevator car to the receiving device on the elevator car.
  • the receiving device is a component of the detector device on the sliding door of the elevator car.
  • the detector devices on the sliding doors of the elevator shaft can be permanently in operation. However, it proves advantageous for the life of the sensor system of the detector device, if they can be put into operation depending on the position of the elevator car This can be done for example via the machine control, which monitors the position of the elevator car continuously. Since push buttons for calling the elevator car are already arranged on each elevator shaft door, this type of operation of the detector device also requires no particularly complicated additional cabling.
  • the detector devices can be activated on the elevator shaft doors by signals which are emitted by the detector device on the sliding door of the elevator car.
  • This solution represents a particularly reliable variant for the logical combination of the signals of the detector devices of the sliding doors of the elevator car and the elevator shaft doors to be opened.
  • this activation principle it can be provided that the energy supply of the detector devices to the sliding doors of the elevator shaft via the detector device of the sliding door the incoming elevator car takes place. This ensures that the detector devices on the sliding doors of the elevator shaft can only be activated when the elevator car in the reception area of the detector device at the Lift shaft door is located. Only then does the passive device become an active detector device, which checks the monitoring area for the presence of foreign bodies and optionally sends a free signal to the detector device on the elevator car.
  • the detector devices on the sliding doors of the elevator car and the elevator shaft each have mutually directed transmitting and / or receiving areas.
  • the transmitting and / or receiving areas reach overlapping, whereby the transmission functions of transmitters and receivers in the detector devices can be activated.
  • the detector devices on the sliding doors of the elevator car and the elevator shaft are not only electronically, logically linked to each other, but also act spatially together via the overlapping areas of the transmitting and / or receiving areas.
  • the overlapping areas are advantageously designed in such a way that a sufficiently long period of time remains before the elevator car stops in front of a lift shaft door in order to transmit warning signals or warnings to the public located in front of the sliding doors.
  • a sufficiently long period of time remains before the elevator car stops in front of a lift shaft door in order to transmit warning signals or warnings to the public located in front of the sliding doors.
  • people may be asked to move out of the surveillance area or to take their hands out of the danger zone.
  • the signals supplied by the detector device on the sliding doors of the elevator shaft provide information about one of the following three states: no object detected in the monitoring area; Object detected; no shaft door sensor signal.
  • the last of the three states is used for the actual fault tolerance of the safety device. This is characterized in that, if the detector device fails, no signal is transmitted either. A missing signal from the detector device of the current elevator shaft door then means for the receiving device to the elevator car that the drive for the opening of the sliding doors is not activated or interrupted and the sliding doors are not opened.
  • the detector devices therefore each comprise at least one electromagnetically and / or acoustically operating, non-contact.
  • Presence sensor whose monitoring area sweeps over the vertically extending pinch edge (s) and a region of the flat side facing the audience of the sliding door or of a sliding door leaf in front of the pinch edge.
  • this solution offers the possibility of giving automatic warning signals or indications even before the sliding door is opened, if a foreign object is detected in the monitoring area.
  • suitable control technology it can even be provided that in the presence of a foreign body in the monitoring area the drive for opening the sliding door is initially is operated at a reduced power and speed to give enough time for removal of the foreign body from the danger area.
  • the non-contact presence sensor provided in the area of each squeeze edge is insensitive to damage since it can be completely integrated into the construction.
  • the inventive safety device has a compact design and is particularly suitable for retrofitting existing, automatically operated sliding door systems.
  • a monitoring range for the presence sensor proves to be advantageous, which has a perpendicular to the squish edge and parallel to the flat side of the sliding door, the largest extension . which is about 1 cm to about 20 cm, preferably about 5 cm.
  • the upper limit takes account of the fact that the automatically opening sliding doors should not be stopped by the passing persons.
  • the presence sensor is arranged in the region of the upper edge of the pinch edge.
  • the monitoring area extends from the top edge of the pinch edge to the ground, where in most cases it has its greatest extent parallel to the flat side of the sliding door.
  • the shape of the monitoring area can be designed arbitrarily. Preferably, their extent is parallel to the flat side of the sliding door larger than their extension perpendicular thereto.
  • the surveillance area will be approximately in the shape of an ellipse that widens conically from the top edge of the squish edge to the bottom.
  • the presence sensor comprises an integrated transmitting and receiving unit. This has the advantage that at the front of the occupancy sensor vertically opposed surface no installations are required, which could be inadvertently shaded or even damaged and could affect the function of the safety device.
  • the presence sensor While it is possible to form the presence sensor directly as a switching element, for example in the manner of a light barrier, it is advantageous if the presence sensor is connected to an evaluation device. This controls the switching function of the detector device for the door drive in accordance with a predeterminable deviation course of the signals detected by the presence sensor in the monitoring area of a, preferably adjustable, standard curve.
  • the use of an evaluation unit makes it possible to implement even more complicated switching criteria than the yes / no decision of, for example, a photoelectric sensor to meet the specific requirements.
  • the evaluation device is equipped with a memory unit in which temporal and / or spatial attenuation curves of the signal waveform detected by the presence sensor in the monitoring area are stored. These attenuation curves are continuously automatically compared with the current, detected values in the evaluation in order to fulfill the switching function for the decision criterion to trigger the interruption of the door drive.
  • a safety device is the Possibility to adapt the decision criterion to the circumstances.
  • the evaluation unit can also be designed "self-releasing", for example, to take into account different degrees of brightness.
  • the safety device offers great flexibility with regard to the sensors used.
  • the non-contact presence sensor can be for example an ultrasonic sensor or a radar sensor or a sensor for electromagnetic radiation in the visible and / or near UV or IR spectrum or else a capacitive sensor. This makes it possible to use the most suitable for the application occupancy sensor.
  • a visible light curtain may prove expedient, which, moreover, may also satisfy design considerations.
  • a sensor with invisible monitoring range may be beneficial.
  • the inventive sensor coupling can also be used for the transmission of information from the elevator car to the respective landing door or vice versa.
  • the information transmitted can be, for example, presence information that activates a light display or an acoustic signal at the respective storey door.
  • information about the number of free places in the elevator car can also be transmitted via the system according to the invention.
  • the inventive coupling of sensors on the elevator car and the respective floor door allows the transmission of any information whose content depends solely on the sensors used.
  • the method according to the invention for operating a safety device for elevator systems with an elevator car which can be changed in position in a lift shaft relates to an elevator system in which at least one sliding door is provided for the accesses to the elevator shaft and the elevator car.
  • the sliding doors are automatically actuated via a drive, preferably arranged on the elevator car.
  • At least one detector device is provided on each sliding door, which is arranged in the region of a pinch edge between a sliding door and a door jamb and / or between two adjoining sliding door leaves. Depending on the state of the monitored areas, the detector devices generate a door release signal or interrupt the drive for opening the sliding doors.
  • the monitoring of the pinch edges between a sliding door and a door jamb and / or between two adjacent sliding door sashes is carried out by means of non-contact detector devices.
  • the running of the sliding doors is taken into account and prevents pinching at the pinch edges.
  • the signals of the detector devices on the sliding doors of the elevator shaft are transmitted wirelessly and received depending on the position of the elevator car.
  • the signals of the detector device of that sliding door of the elevator shaft are taken into account, which is to be opened next, together with the sliding door of the elevator car automatically.
  • the detector devices of the elevator car and the elevator shaft door to be opened next are logically linked with each other. This ensures that the opening of the sliding doors is not prevented by an object that is located on another floor in the monitoring area of the detector device of the lift shaft door.
  • the detector device of that elevator shaft door which is to be opened next, emits signals about the state of its monitoring area. These signals are received by the detector device on the sliding door of the entering elevator car or in front of the elevator shaft door and processed for the decision on the release of the sliding doors.
  • the transmission of the signals is advantageously wireless.
  • the detector devices are supplied with energy at the sliding doors of the elevator shaft via the detector device on the sliding door of the entering elevator car.
  • the power supply can be done for example by the emission of high-energy radiation or inductively.
  • an elevator system is provided throughout with the reference numeral 1. It comprises a lift shaft 2 and an elevator car 3 which can be changed in the lift shaft with respect to its position.
  • the elevator car 3 is moved in a known manner by motor in the elevator shaft 2 from one floor to the next.
  • each sliding doors 8 and 4 are provided, which are automatically actuated.
  • the sliding doors 4, 8 are usually only operated together.
  • the sliding door 4 of the elevator car 3 is an actively operable door, which is driven by a motor usually arranged on the roof of the elevator car 3.
  • the sliding door 8 on the lift shaft is a purely passive door, which can be actuated by means of drivers on the sliding door 4 of the elevator car 3.
  • the sliding doors 8 and 4 slide in sliding door guides, which are indicated in FIG. 2 by reference numerals 9 and 5 respectively.
  • the sliding doors 8 and 4 are movable relative to fixed walls of the elevator shaft 2 and the elevator car 3.
  • the fixed door jamb 6 and on the Lifischacht the fixed door jamb 10.
  • squeezing edges are formed on the elevator car 3 by the reference numeral 7 and the lift shaft 2 are provided with the reference numeral 11.
  • the safety device comprises a detector device 20 with a series of non-contact occupancy sensors 21 arranged vertically one above the other, which monitor the pinch edge 27.
  • the distance of the presence sensors 21 from each other is chosen such that their monitoring areas 26 in the vertical direction substantially adjacent.
  • the presence sensors 21 are mounted in or on the fixed door jamb 22 such that their monitoring area 26 in a direction parallel to the flat side 25 of the sliding door 23 has a greater extent than perpendicular to it.
  • the extent of the monitoring areas 26 parallel to the flat side 25 of the sliding door 23 is about 1 cm to about 20 cm, preferably about 5 cm.
  • FIGS. 5 and 6 show a modified arrangement of a detector device for securing automatically operable sliding doors.
  • the illustrated elevator system is designated overall by 40.
  • the elevator car carries the reference numeral 41.
  • the sliding door 44 made of glass shown in FIGS. 5 and 6 belongs to the elevator shaft and conceals the glass sliding door of the elevator car 41.
  • the stationary door jamb of the elevator shaft is designated 42.
  • the safety-relevant pinch edge between the fixed door post 42 of the lift shaft and the flat side 44 of the sliding door bears the reference numeral 46.
  • the pinch edge 46 in the illustrated embodiment is a single contactless presence sensor 47 monitored, which is mounted in or on the horizontal door bar 43.
  • the presence sensor 47 is arranged in the region of the squish edge 46 and has a monitoring region 48, which widens approximately conically in the direction of the bottom of the sensor 47.
  • the monitoring area 48 has a greatest extent parallel to the flat side 45 of the sliding door 44, which is about 1 cm to about 20 cm, preferably about 5 cm and is conveniently larger than the Clearrekkung perpendicular thereto.
  • the shape of the monitoring area 48 is approximately elliptical, for example.
  • 6 and 7 show only the arrangement of a presence sensor 47 at the pinch edge 46 between the door post 42 of the elevator shaft and the elevator shaft door 44. It is understood that the pinch edge is secured to the elevator car in an analogous manner.
  • FIG. 7 shows an overall view of an elevator system designated overall by 50.
  • the elevator system has a vertically extending elevator shaft 51, in which an elevator car 52 can be moved by motor from floor to floor.
  • the motor drive for the elevator car 52 is housed in a machine house 70, which usually closes the elevator shaft 51 upwards.
  • the suspension of the elevator car 52 is indicated at 71.
  • a suspension cable 72 serves to transmit signals from the machine control unit 70 housed in the machine housing to the elevator car 52.
  • the elevator shaft 51 has an access in each floor, which is closed by an automatically operable sliding door 54.
  • the elevator car 52 has a sliding door 53.
  • the pinch edges of the sliding doors 53, 54 are monitored by detector devices 55, 56 so that objects or body parts in the monitoring area can be detected in good time and the opening of the sliding doors 53, 54 can be prevented.
  • the peculiarity of the inventive design of the elevator system 50 is that the signals of the detector devices 56 on the sliding doors 54 of the elevator shaft 51 depending on the position of the elevator car 52 are receivable. In each case only the signals of the detector device 56 of that sliding door 54 of the elevator shaft 51 are taken into account, which is to be opened next, together with the sliding door 53 of the elevator car 51 automatically.
  • FIG. 8 shows the elevator car 51, which stops in a floor in front of the next-to-open sliding door 54 of the elevator shaft 51.
  • the detector devices 55, 56 provided in the region of the pinch edges 59, 60 of the sliding doors 53, 54 correspond, for example, to those shown in FIG.
  • the detector devices 55, 56 define monitoring areas 63 64 on the flat sides 61, 62 of the sliding doors 53, 54 facing the audience.
  • the detector device 56 of the elevator shaft door 54 can be activated in dependence on the position of the elevator car 52.
  • the detector devices 55, 56 on the sliding door 53 of the elevator car 52 and on the elevator shaft door 54 in addition to the presence sensors 57, 58 equipped with transmitting and receiving devices 65, 66.
  • the transmitting and receiving devices 65, 66 may be, for example, ultrasonic or microwave transmitters and receivers. Capacitive signal transmitters and receivers can also be used.
  • the transmitting and receiving device 65, 66 have an overlapping area. As a result, the detector device 56 of the elevator shaft door 54 can already be activated before the elevator car 52 stops. This allows, for example, warning signals or indications to the waiting in front of the hoistway door 54 audience give it away from the immediate surveillance area.
  • the transmitter and receiver devices can be designed such that the detector device 56 is supplied with power to the lift shaft door 54 via the detector device 55 on the sliding door 53 of the elevator car 52. This can be done, for example, by higher-energy microwave radiation or by inductive means , As a result, no separate power supply cabling is required for the detector devices 56 on the elevator shaft doors 54. This is particularly advantageous when retrofitting existing elevator systems with a safety device according to the invention.
  • the non-contact presence sensors may be, for example, ultrasonic sensors or radar sensors or sensors for electromagnetic radiation in the visible and / or in the near UV or IR spectrum.
  • the presence sensors each have an integrated transmitting and receiving unit which emits the test signal or receives the remitted signals.
  • the occupancy sensors may also be capacitive based sensors.
  • the presence sensors are connected to an integrated into the Detekorvorraum, not shown evaluation.
  • temporal and / or spatial attenuation curves are used, which are stored in a memory unit of an evaluation unit belonging to the detector device. These attenuation curves are continuously automatically compared with the current, detected values in the evaluation in order to fulfill the decision criterion for the switching function for the interruption of the door drive trigger.
  • a safety device equipped in this way it is possible to adapt the decision criterion to the circumstances. As a result, for example, different reflection coefficients of different materials compared to the signals used can be considered.
  • the evaluation unit can also be designed "self-learning", for example, to take into account different degrees of brightness.
  • the presence sensors are usually operated in a pulsed manner.
  • the method according to the invention for operating a safety device for elevator systems with an elevator car which can be changed in position in a lift shaft relates to an elevator system in which at least one sliding door is provided for the accesses to the elevator shaft and the elevator car.
  • Such an elevator system is shown in particular in FIGS. 7 and 8 and provided overall with the reference numeral 50.
  • the sliding doors 53, 54 are automatically actuated via a drive, preferably arranged on the elevator car 52.
  • At least one detector device 55, 56 is provided on each sliding door 53, 54, which is arranged in the region of a squeezing edge 59, 60 between a sliding door and a door jamb and / or between two adjoining sliding door sashes.
  • the detector devices 55, 56 Depending on the state of the monitoring areas 63, 64, the detector devices 55, 56 generate a door release signal or interrupt the drive for opening the sliding doors 53, 54.
  • the signals of the detector devices 55, 56 on the sliding doors 54 of the elevator shaft 51 become dependent on the position of the elevator car 52 received.
  • the signals of the detector device 56 of that sliding door 54 of the elevator shaft 51 are considered, which next, together with the sliding door 53 of the elevator car 52 should be opened automatically.
  • the detector devices 55, 56 of the elevator car 52 and the elevator shaft door 54 to be opened next are logically linked to one another. This ensures that the opening of the sliding doors 53, 54 is not prevented by an object located on another floor in the monitoring area 64 of the detector device 56 of the elevator shaft door 54 located there.
  • the detector device 56 of that elevator shaft door 54 which is to be opened next sends out signals about the state of its monitoring area 64. These signals are received by the detector device 55 on the sliding door 52 of the entering or ahead of the elevator shaft door 54 continuing elevator car 52 and processed for the decision on the release of the sliding doors 53, 54.
  • the transmission of the signals is advantageously wireless.
  • the detector devices 56 are supplied with power to the sliding doors 54 of the elevator shaft 51 via the detector device 55 on the sliding door 53 of the entering elevator car 52.
  • the energy supply can be done, for example, by the emission of high-energy radiation, for example microwave radiation, or inductively.

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  • Load-Engaging Elements For Cranes (AREA)

Claims (19)

  1. Dispositif de sécurité pour systèmes d'ascenseur (1 ; 40 ; 50) comportant une cabine d'ascenseur (3 ; 41 ; 52) dont la position peut être modifiée dans une cage d'ascenseur (2 ; 51), les accès à la cage d'ascenseur (2 ; 51) et à la cabine d'ascenseur (3 ; 41 ; 52) présentant respectivement au moins une porte coulissante (4, 8 ; 23 ; 44 ; 53, 54) qui peut être actionnée automatiquement par l'intermédiaire d'un entraînement disposé, de préférence, sur la cabine d'ascenseur (3 ; 41 ; 52), des dispositifs de détection étant disposés sur les portes coulissantes pour détecter la présence de public, caractérisé en ce que les dispositifs de détection sur les portes coulissantes (23 ; 44 ; 53, 54) comportent chacun au moins un capteur de présence sans contact (21 ; 47 ; 57, 58) pour une surveillance sans contact en particulier des zones, dirigées vers le public, devant les portes coulissantes (23 ; 44 ; 53, 54) et des moyens sont prévus qui permettent, en fonction de la position de la cabine d'ascenseur (41; 52); un échange d'informations entre le dispositif de détection (55) de la cabine d'ascenseur (41 ; 52) et le dispositif de détection (21 ; 47 ; 56) de la prochaine porte de cage d'ascenseur (23 ; 44 ; 54) devant être ouverte automatiquement, et la porte coulissante (53) de la cabine d'ascenseur (52), ces moyens étant configurés pour un échange d'informations sans fil entre le dispositif de détection (55) de la cabine d'ascenseur (41 ; 52) et le dispositif de détection (21 ; 47 ; 56) de la prochaine porte de cage d'ascenseur (23 ; 44 ; 54) à ouvrir.
  2. Dispositif de sécurité selon la revendications 1, caractérisé en ce que les dispositifs de détection (56) sur les portes coulissantes (54) de la cage d'ascenseur (51) sont chacun équipés d'un dispositif d'émission sans fil (66) qui permet une transmission sans fil d'informations sur l'état de la zone de surveillance (64) de l'arête(des arêtes) anti-écrasement (60) de la porte coulissante (54) sur un dispositif de réception (65) prévu sur la cabine d'ascenseur (52).
  3. Dispositif de sécurité selon la revendication 2, caractérisé en ce que le dispositif de réception (65) fait partie intégrante du dispositif de détection (55) sur la porte de là cabine d'ascenseur (53).
  4. Dispositif de sécurité selon l'une quelconque des revendications précédentes, caractérisé en ce que les dispositifs de détection (56) peuvent être mis en service, sur les portes coulissantes (54) de la cage d'ascenseur (51), en fonction de la position de la cabine d'ascenseur (52).
  5. Dispositif de sécurité selon la revendication 4, caractérisé en ce que les dispositifs de détection (56) sur les portes coulissantes (54) de la cage d'ascenseur (51) peuvent être activés par le dispositif de détection (55) sur la porte coulissante (53) de la cabine d'ascenseur (52).
  6. Dispositif de sécurité selon la revendication 5, caractérisé en ce que l'alimentation en énergie des dispositifs de détection (56) sur les portes coulissantes (54) de la cage d'ascenseur (51) est assurée par le dispositif de détection (55) de la porte coulissante (53) de la cabine d'ascenseur (52) entrante.
  7. Dispositif de sécurité selon l'une quelconque des revendications précédentes, caractérisé en ce que les dispositifs de détection (55, 56) sur les portes coulissantes de la cabine d'ascenseur et de la cage d'ascenseur présentent chacun des dispositifs d'émission et/ou de réception (65, 66) sans fil dirigés l'un vers l'autre, dont les zones d'émission et de réception se chevauchent lors de l'approche et/ou de l'arrêt de la cabine d'ascenseur (52) devant la porte de cage d'ascenseur (54) respective, moyennant quoi les fonctions de surveillance des dispositifs de détection (55, 56) peuvent être activés au niveau des arêtes anti-écrasement (59, 60).
  8. Dispositif de sécurité selon la revendication 7, caractérisé en ce que là zone de chevauchement (67) des dispositifs d'émission et de réception sans fil (65, 66) sont configurés de manière à ce qu'il reste, avant l'arrêt de la cabine d'ascenseur (52) devant une porte de cage d'ascenseur (54), un temps suffisamment long pour transmettre, le cas échéant, des signaux et des recommandations d'avertissement au public se trouvant devant la porte coulissante (54).
  9. Dispositif de sécurité selon l'une quelconque des revendications précédentes, caractérisé en ce qu'en l'absence de signal de réception du dispositif de détection (56) de la porte de cage d'ascenseur (54) du moment, l'entraînement de l'ouverture des portes coulissantes (53, 54) est interrompu.
  10. Dispositif de sécurité selon l'une quelconque des revendications précédentes, caractérisé en ce que les dispositifs de détection comportent chacun au moins un capteur de présence (21 ; 47; 57 ; 58) sans contact fonctionnant par voie électromagnétique et/ou acoustique, dont la zone de surveillance (26 ; 48 ; 63, 64) balaie l'arête (les arêtes) anti-écrasement verticale(s) (27 ; 46; 59, 60) et une zone se trouvant devant l'arête anti-écrasement du côté plat tourné vers le public (25 ; 45 ; 61, 62) de la porte coulissante (23 ; 44 ; 53, 54) respectivement d'un vantail de porte coulissante.
  11. Dispositif de sécurité selon la revendication 10, caractérisé en ce que la zone de surveillance (26 ; 48 ; 63, 64) du capteur de présence (21 ; 47 ; 57, 58) présente la plus grande étendue perpendiculaire à l'arête anti-écrasement (27 ; 46 ; 59, 60) et parallèle au côté plat (25 ; 45 ; 61, 62) dirigé vers le public, de la porte coulissante (23 ; 44 ; 53, 54), étendue qui mesure de 1 cm environ à 20 cm environ, de préférence environ 5 cm.
  12. Dispositif de sécurité selon la revendication 10 ou 11, caractérisé en ce que le capteur de présence (47; 57, 58) est disposé au niveau de l'arête supérieure de l'arête anti-écrasement (46 ; 59, 60).
  13. Dispositif de sécurité selon l'une quelconque des revendications 10 à 12, caractérisé en ce que le capteur de présence (21 ; 47 ; 57, 58) est relié à un dispositif d'analyse qui commande la fonction de commutation du dispositif de détection pour l'entraînement de porte en fonction d'un tracé de déviation prédéfinissable des signaux détectés par le capteur de présence (21 ; 47 ; 57, 58) dans la zone de surveillance (26 ; 48 ; 63, 64) d'un tracé normal, de préférence prédéfinissable.
  14. Dispositif de sécurité selon la revendication 13, caractérisé en ce que le dispositif d'analyse présente une unité mémoire dans laquelle sont sauvegardées des courbes d'affaiblissement, dans le temps et/ou dans l'espace, du tracé des signaux détecté par le capteur de présence (21 ; 47 ; 57, 58) dans la zone de surveillance (26 ; 48 ; 63 , 64), courbes qui sont comparées automatiquement, lors de l'analyse, aux valeurs détectées du moment pour déclencher la fonction de commutation lorsque le critère décisionnel est satisfait.
  15. Dispositif de sécurité selon l'une quelconque des revendications 10 à 14, caractérisé en ce que le capteur de présence sans contact (21 ; 47 ; 57, 58) est un capteur à ultrasons ou bien un capteur radar ou bien un capteur pour un rayonnement électromagnétique dans le spectre visible et/ou proche du rayonnement UV ou IR ou bien un capteur capacitif.
  16. Procédé d'actionnement d'un dispositif de sécurité pour systèmes d'ascenseur (1 ; 40 ; 50) comportant une cabine d'ascenseur (3 ; 41 ; 52) dont la position peut être modifiée dans une cage d'ascenseur (2 ; 51), les accès à la cage d'ascenseur (2 ; 51) et à la cabine d'ascenseur (3 ; 41 ; 52) présentant chacun au moins une porte coulissante (4, 8 ; 23 ; 44 ; 53, 54) qui peut être actionnée automatiquement par l'intermédiaire d'un entraînement disposé, de préférence, sur la cabine d'ascenseur (3 ; 41; 52), au moins un dispositif de détection (21 ; 47 ; 55, 56) étant prévu sur chaque porte coulissante (23 ;44 ; 53, 54), dispositif qui est disposé au niveau d'une arête anti-écrasement (27 ; 46 ; 59, 50) entre une porte coulissante et un montant de porte et/ou entre deux vantaux de porte coulissante adjacents qui, en fonction de l'état des zones de surveillance (26 ; 48 ; 63, 64), produit un signal de libération de porte ou interrompt l'entraînement pour l'ouverture de la porte coulissante (23 ; 44 ; 53, 54), caractérisé en ce que la surveillance des arêtes anti-écrasement (27 ; 46 ; 59, 50) entre une porte coulissante et un montant de porte et/ou entre deux vantaux de porte coulissante adjacents est assurée par des dispositifs de détection sans contact, les signaux des dispositifs de détection (21 ; 47 ; 56) sur les portes coulissantes (23 ; 44 ; 54) de la cage d'ascenseur (51) étant transmis et reçus sans fil en fonction de la position de la cabine d'ascenseur (41 ; 52) et les signaux pris en compte pour la libération de la porte étant ceux du dispositif de détection (56) de la prochaine porte coulissante (54) de la cage d'ascenseur (51) qui doit être ouverte automatiquement avec la porte coulissante (53) de la cabine d'ascenseur (52).
  17. Procédé selon la revendication 16, caractérisé en ce que les dispositifs de détection (56) de la prochaine porte de cage d'ascenseur (54) devant être ouverte, émet des signaux sur l'état de sa zone de surveillance (64) qui sont reçus par le dispositif de détection (55) sur la porte coulissante (53) de la cabine d'ascenseur (52) entrante respectivement s'arrêtant devant la porte de cage d'ascenseur (54) et qui sont traités pour la prise de décision sur la libération des portes coulissantes (53, 54).
  18. Procédé selon la revendication 17, caractérisé en ce qu'en l'absence du signal de détection de la porte de cage d'ascenseur (54) du moment, l'entraînement pour l'ouverture de la porte d'ascenseur (53) n'est pas activé respectivement est interrompu.
  19. Procédé selon l'une quelconque des revendications 16 à 18, caractérisé en ce que les dispositifs de détection (56) sur les portes coulissantes (54) de la cage d'ascenseur (51) sont alimentés en énergie par le dispositif de détection (55) de la porte coulissante (53) de la cabine d'ascenseur entrante (52).
EP01933536A 2000-06-13 2001-06-07 Dispositif de securite pour portes d'ascenseur Expired - Lifetime EP1289870B1 (fr)

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CH116200 2000-06-13
CH11622000 2000-06-13
PCT/CH2001/000352 WO2001096226A1 (fr) 2000-06-13 2001-06-07 Dispositif de securite pour portes d'ascenseur
US10/314,319 US7044271B2 (en) 2000-06-13 2002-12-09 Safety device for pinching zone of elevator doors

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EP1289870A1 EP1289870A1 (fr) 2003-03-12
EP1289870B1 true EP1289870B1 (fr) 2006-06-07

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EP (1) EP1289870B1 (fr)
CN (1) CN1251957C (fr)
AT (1) ATE328841T1 (fr)
AU (1) AU2001260013A1 (fr)
DE (1) DE50110045D1 (fr)
ES (1) ES2264983T3 (fr)
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US7044271B2 (en) 2006-05-16
ES2264983T3 (es) 2007-02-01
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HK1055715A1 (en) 2004-01-21
DE50110045D1 (de) 2006-07-20
WO2001096226A1 (fr) 2001-12-20
US20040108171A1 (en) 2004-06-10
CN1436148A (zh) 2003-08-13
ATE328841T1 (de) 2006-06-15
EP1289870A1 (fr) 2003-03-12

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