EP2709941B1 - Elevator system - Google Patents

Elevator system Download PDF

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Publication number
EP2709941B1
EP2709941B1 EP12728066.7A EP12728066A EP2709941B1 EP 2709941 B1 EP2709941 B1 EP 2709941B1 EP 12728066 A EP12728066 A EP 12728066A EP 2709941 B1 EP2709941 B1 EP 2709941B1
Authority
EP
European Patent Office
Prior art keywords
door
shaft
shaft door
force
closing
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.)
Not-in-force
Application number
EP12728066.7A
Other languages
German (de)
French (fr)
Other versions
EP2709941A1 (en
Inventor
Michael Krause
Uwe Krause
Guido Sonntag
Michael Wittkowski
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
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Siemens AG
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Publication date
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Publication of EP2709941A1 publication Critical patent/EP2709941A1/en
Application granted granted Critical
Publication of EP2709941B1 publication Critical patent/EP2709941B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/02—Door or gate operation
    • B66B13/12—Arrangements for effecting simultaneous opening or closing of cage and landing doors
    • 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
    • B66B13/02—Door or gate operation
    • B66B13/06—Door or gate operation of sliding doors
    • B66B13/08—Door or gate operation of sliding doors guided for horizontal movement
    • 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
    • B66B13/02—Door or gate operation
    • B66B13/06—Door or gate operation of sliding doors

Definitions

  • the invention relates to an elevator system with a shaft door device and a car door device, as well as a shaft door device and a car door device.
  • a car door device for an elevator which comprises two sliding doors.
  • the sliding doors are each movably guided by rollers on a common door rail.
  • spring-actuated drums are further arranged, on which a pull wire is wound up.
  • a spring-actuated drum exerts a tensile force on a sliding door via the associated puller wire, which pulls the sliding door in an opening direction.
  • a deflection roller can be arranged, over which a puller wire is directed, which is connected at one end to the sliding door and at the opposite end to a ballast piece.
  • tension springs may be arranged in the region of the lintel.
  • a tension spring is connected to the lintel and a sliding door. The respectively exerted by the tension spring on the associated sliding door restoring force pulls the sliding door in an opening direction.
  • the publication US 1,735,153 A discloses a hoistway door device for an elevator in which a hoistway door is guided on rollers movably in a rail.
  • the shaft door is connected at opposite sides with a pull rope, which are each guided over a pulley.
  • a heavy ballast piece is attached and attached a second pull rope a light ballast piece.
  • the tensile forces exerted on the shaft door by the weight forces of the ballast pieces along the rail are of different heights. If the shaft door does not exert an actuating force of a shaft door drive, the shaft door is pulled by the two ballast piece resulting tensile force in a closing direction. If an opening force is exerted on the shaft door by the shaft door drive, the opening process is supported by the tensile force exerted by light ballast piece.
  • Elevator systems especially those intended for passenger transport, must have different security mechanisms, so that safety requirements are met. It must be ensured, for example, that an open shaft door of a shaft door device is automatically closed in the uncoupled state, so that a person can not fall into the elevator shaft.
  • the elevator shaft is the shaft in which the elevator car can go up and down.
  • the uncoupled state exists when the car door device comprising the elevator car is not in the corresponding position (landing in the shaft) in the corresponding shaft of the shaft door device. In the uncoupled state, in particular, there is no mechanical operative connection between the shaft door device and the car door device, ie they are not coupled to one another.
  • the shaft door device of the elevator system usually has a shaft door closing means, which ensures that the shaft door of the shaft door device automatically assumes the closed position in the open uncoupled state. Since this mechanism is also to be ensured in the de-energized state, can be used as a shaft door closing means no electric motor.
  • the shaft door closing means is therefore usually formed by a weight, which guided by means of a deflection roller Cable is in operative connection with the shaft door in such a way that a closing force F2 is exerted on the shaft door, in particular in the open state, so that the shaft door is moved in the direction of the closed position.
  • the closing force F2 caused by the shaft door closing means on the shaft door usually acts uninterruptedly on the shaft door, so that the closing force F2 acting counter to the opening direction must likewise be applied to open the shaft door.
  • the shaft doors of each floor are designed differently. Consequently, it may happen that, in particular, the shaft door closing means and consequently the closing force F2 acting on the shaft door are designed differently. It can thus be dependent on the floor different closing forces F2 exerted by the shaft door closing means on the corresponding shaft door, which must be overcome when starting the car door device with the car each to open.
  • the shaft door closing means is designed, for example, as a weight, then the weight usually has a mass of approximately 3 to 10 kg, depending on the present shaft door.
  • the car door device In order to open a shaft door, the car door device is usually coupled to the shaft door device, so that a mechanical operative connection between the car door device and the shaft door device is made.
  • the coupling can be done, for example, by means of a sword present on the car door device, which establishes a mechanical operative connection with the shaft door device when the car door device approaches the corresponding position in the shaft (landing in the shaft), so that forces are exerted on the shaft door device and in particular on its shaft door by the car door device can be transmitted, or vice versa.
  • an electric motor usually one of these doors is directly driven to open.
  • the two doors with each other are connected, for example by means of the sword, as well as the forces of the electric motor are transmitted to the coupled door, so that in addition to the door directly driven by the electric motor also coupled with the door directly driven door is mitgeöff.
  • the shaft door is also opened by means of the mechanical operative connection between the car door and the shaft door.
  • both doors can be opened by the electric motor. Since the electric motor is usually housed in the car door device and drives the car door directly, the landing door is usually opened by the mechanical operative connection between the landing door and the car door. The shaft door is thus opened indirectly via the electric motor.
  • An object of the present invention is to provide an improved elevator system, which in particular allows a quick opening of a landing door with an energy-efficient and compact door control unit.
  • an apparatus comprising a hoistway door device and a car door device, wherein the hoistway door device comprises a hoistway door and a shaft door closing means and the car door device comprises a car door, wherein the hoistway door closing means is operatively connected to the hoistway door a closing force F2 is exerted on the shaft door, wherein the elevator system further comprises a compensating means which can be operatively connected to the shaft door such that at least in phases during the opening operation of the shaft door at least a part of the force acting on the shaft door closing force F2 is compensated by the compensation means , and by a landing door device according to claim 8 and a car door device according to claim 9.
  • the opening process of the shaft door is the period in which the closed shaft door assumes the fully opened state.
  • the opening operation of the car door is the period in which the closed car door assumes the fully opened state.
  • the shaft door closing means is in particular in operative connection with the shaft door such that by means of the closing force F2 acting on the shaft door, the shaft door is automatically moved to the closed position in the uncoupled open state by the closing force F2.
  • the elevator system in the elevator system according to the invention, during the opening operation of the shaft door, at least a part of the closing force F2 acting on the shaft door is compensated by the compensating means, so that the load on the electric motor is reduced during this compensation phase.
  • the electric motor can be designed, for example, for lower loads, in particular, the instantaneous power can be reduced at the electric motor.
  • the car door device comprises the compensation means. Consequently, not every shaft door device of the elevator system must have a compensating means, since this by the car door device is provided.
  • the compensating means exerts a locking force on the car door, so that the car door is locked.
  • the compensating means is designed such that by means of the locking force of the compensating means in the de-energized closed state of the car door device, the car door maintains the closed position without external force (for example by a person).
  • the compensating means reduces the load to be applied to the electric motor at least in phases via the travel path from the closed state of the shaft door to the open state of the shaft door, a more compact and cost-effective electric motor can be used.
  • the low load on the electric motor over the path of opening the landing door also makes it possible to use a more energy efficient and compact door controller for the elevator system.
  • the shaft door can be opened more quickly, since during opening at least in phases at least part of the closing force is compensated by the compensating means.
  • the compensating means is coupled to the shaft door such that during at least 50% of the opening operation, with respect to the opening path of the shaft door to be covered, a compensation of at least a part of the closing force F2 by the compensation means.
  • the compensation means with the shaft door in such Operative connection, that during the entire opening process of the shaft door, a compensation of the closing force by the compensation means.
  • the compensating means is designed such that a complete compensation of the forces acting on the shaft door closing force F2 can take place.
  • a force is exerted on the shaft door, which is greater than the closing force F2.
  • the compensation means and / or the shaft door closing means are each an energy store.
  • the energy store is e.g. a spring, an elastic element or a weight.
  • the energy storage also exerts the same force on the coupled with him component in the de-energized state.
  • the compensating means and the shaft door closing means are each formed by a weight, then the respective weight can receive or release potential energy and thus store it.
  • the weight can be in operative connection with the door, so that forces can be transmitted. Under the energy storage is in particular no electric motor to understand.
  • At least part of the closing force F2 acting on the shaft door can be compensated by the compensating means only in the coupled state of the car door device with the shaft door device. Consequently, in the coupled state, the force acting on the shaft door can be reduced or eliminated in the direction of the closed position of the shaft door.
  • the compensation means is thus coupled only to open the shaft door with the shaft door. In the uncoupled state, the force acting on the shaft door closing force F2 not reduced by the compensation means. In this way it can be ensured that the automatic closing of the shaft door in the open uncoupled state can be done independently and in the coupled state, a reduction of the load to be driven for the electric motor at least in phases during the opening process can take place.
  • the compensation means is coupled with the shaft door device at the moment of coupling the car door with the landing door.
  • the coupling of the compensating means is preferably carried out by means of a mechanism in conjunction with the door sash (door double mechanism for car door and landing door). To minimize noise can also be used in addition rollers or the like.
  • the force acting on the shaft door device by the compensating means at least in part during the opening operation of the shaft door is greater than the closing force F2 or equal to the closing force F2.
  • the forces (closing force F2 and the force acting on the shaft door device force of the compensation means) at the same point of attack on the shaft door device (preferably at the shaft door) are considered.
  • the car door device comprises an electric motor, which during the opening operation of the car door with the car door and coupled with the car door shaft door can be operatively connected in such a way that both doors can be opened by the electric motor.
  • the hoistway door device may comprise an electric motor operatively connected to the hoistway door and the car door coupled to the hoistway door during the opening operation of the hoistway door such that both doors can be opened by the electric motor.
  • the shaft door closing means exerts a closing force F2 on the shaft door, so that the opened shaft door is closed by the closing force F2 in the uncoupled state of the shaft door device with the car door device.
  • the closing force F2 thus ensures the closing of the shaft door, provided that the car door device is not coupled to the shaft door device.
  • the shaft door closing means thus exerts a closing force on the shaft door, which can move an open shaft door in the direction of the closed position of the shaft door. To open the shaft door in the coupled state, this closing force F2 must also be applied. Thanks to the compensating means, this closing force can be at least reduced in phases or completely eliminated. A faster and more efficient opening the shaft door can thus be made possible.
  • the shaft door device comprises the compensation means.
  • a compensating means which is precisely matched to the shaft door closing means, can be installed in the shaft door device, so that an optimal compensation of the closing force F2 in the coupled state of the shaft door device with the car door device comprising the car door can take place during the opening operation.
  • the compensating means tuned to the shaft door closing means interacts with the shaft door device, so that at least part of the closing force F2 is compensated for at least in phases during the opening operation of the shaft door.
  • the compensating means is designed such that a complete compensation of the force acting on the shaft door closing force F2 can be done.
  • a force is exerted on the shaft door, which is greater than the closing force F2.
  • the opening of the shaft door begins with a time delay for opening the car door.
  • the car door is first opened so far until the compensation means is positioned so that it can compensate for acting on the shaft door closing force F2 for the electric motor. thereupon the shaft door is opened as well.
  • the delay in time for example, by means of the coupling device between the car door device and the shaft door device, in particular between the car door and the shaft door done.
  • the opening of the shaft door is thus preferably from the time in which the force exerted by the compensation means on the shaft door force can reduce the force generated by the closing force F2 for the electric motor.
  • the operative connection of the compensation means is made to the shaft door during the coupling process of the car door device with the shaft door device and released when decoupling the car door device with the shaft door device.
  • an opening and / or locking aid for the car door and / or shaft door is provided by the compensation means, even if no counterweight is present at the shaft door.
  • the idea underlying the invention is equally applicable to doors or gates of any kind, e.g. Sliding doors, platform doors, machine tool doors, protective gates, refrigerator doors.
  • FIG. 1 shows a schematic representation of an elevator system with closed doors.
  • the elevator system comprises a car door device and each floor to be controlled a landing door device.
  • the car door device comprises a car door, via which persons can enter and leave the car.
  • the cabin door shown has the closed position, so that no person can enter or leave the cabin at present.
  • the car door comprises two door leaves 4, which are moved in an opposite direction for opening.
  • the car door device comprises an electric motor 9, a drive pin 15, a belt 6, a deflection roller 1 and per door leaf 4 of the car door a Trmit supportive 7, which is connected to the corresponding door 4 of the car door and the belt 6 ,
  • the Antriebsritzl 15 can be driven, so that by the Antriebsritzl 15 of the belt 6 can be moved.
  • the belt 6 is stretched over the Antechnischsritzl 15 and the guide roller 1 and has two mitiga 7, so that it can transmit transmitted by the electric motor 9 via the Antechnischsritzl 15 force by means of Mit arrestivity 7 to the car door, so that the door 4 of the car door can be opened or closed evenly.
  • the shaft door device comprises a shaft door, which comprises two door leaves 8, three guide rollers 1, a belt 11, two door drivers 2, a second attachment means 16, a second cable 14 and a shaft door closing means 3.
  • the belt 11 is stretched over two deflection rollers 1, so that a power transmission can take place via the belt.
  • Each door leaf 8 of the landing door is fixed to the belt 11 by means of the associated door driver 2 so that when the belt 11 is moved in one direction, the landing door can be opened uniformly and the door of the shaft is smoothly closed when the belt 11 moves in the opposite direction can be.
  • the shaft door device has the shaft door closing means 3, which ensures that the shaft door automatically assumes the closed position from the uncoupled fully or partially opened state.
  • the shaft door closing means 3 is formed by a weight, which is connected by means of the guided over the guide roller 1 second cable 14 with a door leaf of the shaft door.
  • the first end of the second cable 14 is connected by means of the second fastening means 16 with one of the door leaf 8 of the shaft door and the second end of the second cable 14 with the shaft door closing means 3.
  • the second cable 14 is guided over the deflection roller 1, so that a targeted power transmission can take place on the shaft door.
  • the shaft door closing means 3 is thus operatively connected to the shaft door such that a closing force F2 is exerted on the shaft door, in particular on a door leaf 8 of the shaft door, so that the shaft door in the direction the closed position can be moved.
  • FIG. 1 shows the closed position of the landing door and the car door.
  • the shaft door closing means 3 embodied as a weight thus exerts a closing force F2 on one of the door leaves 8 of the shaft door by means of the second cable 14 guided over the deflection roller 1. Since both door leaves 8 of the shaft door are coupled to one another via the belt 11, this closing force F2 is likewise transmitted to the other door leaf so that the shaft door can be closed.
  • the closing force F2 caused by the shaft door closing means 3 acts uninterruptedly on the shaft door, so that the opening force F2 must also be overcome to open the shaft door.
  • the car door is first coupled to the landing door by means of a coupling means, not shown.
  • the coupling can be done for example by means of a door sword.
  • the door sash makes when starting the car door device to the corresponding shaft with the shaft door device a mechanical operative connection, so that forces can be transmitted to the shaft door device by the car door device.
  • the car door device is coupled to the landing door device, the car door is coupled to the landing door by means of the coupling means. Consequently, when the car door is opened, a force is also transmitted to the shaft door by the coupling means, so that the shaft door is opened as well.
  • the electric motor 9 of the car door device thus also ensures the opening of the shaft door.
  • closing force F2 To open the shaft door in particular caused by the shaft door closing means 3 closing force F2 must be overcome.
  • the car door device further comprises a compensating means 5 The first cable 13, two pulleys 1 and a first attachment means 12.
  • the compensation means 5 In the coupled state, the compensation means 5 is in operative connection with the shaft door, that during the opening operation of the shaft door 8 acting on the shaft door closing force F2 is compensated by the compensation means 5.
  • the compensation means 5 which is designed as a weight, connected via the first cable 13 to the belt 6.
  • the first cable 13 is connected to the first end with the compensation means 5 and connected to the other end by means of a first fastener 12 with the belt 6.
  • the first cable 13 is guided over two pulleys 1, so that a targeted power transmission of the compensation means 5 can be done on the belt 6 and thus on the car door.
  • the compensation means 5 thus exerts a force F1 on the belt 6. Characterized in that the fastening means 12 is placed shortly before a deflection roller 1, the force F1 generated by the compensation means 5 ensure that in the closed state of the car door, for example in the event of a power failure, the car door is locked with the force F1, so that accidental opening the cabin door can be prevented.
  • the force F1 generated by the compensating means 5 on the belt 6 is equal to the closing force F2 generated by the shaft door closing means 3.
  • the force F2 can also be greater or smaller than the closing force F1.
  • the coupling of the car door with the shaft door is preferably designed such that the force required to open the shaft door from the car door to the shaft door occurs only when the first fastening means 12 is positioned on the belt 6 such that the force F1 supporting the electric motor 9 acts. This is in particular, the time from which the force F1 generated by the compensating means 5 on the belt 6 acts at least partially in the direction of movement of the first fastening means 12.
  • the electric motor 9 must therefore first apply the force F1 to open the car door.
  • the compensation means 5 supports the opening operation of the car door. Since the mechanical power transmission between the car door and the landing door by means of the coupling means takes place from this point in time, the closing force F2 generated by the shaft door closing means 3 can be compensated by means of the compensating means 5. Since the force F1 of the compensating means 5 generated on the belt 6 is equal to the closing force F2 acting on the shaft door 8, the force required to open the car door and / or shaft door can be considerably improved. The energy consumption of the electric motor and the controller can be significantly minimized. Quick opening of the doors is thus possible with simpler means (e.g., smaller and less expensive controls).
  • the compensation means 5 thus ensures, in particular, a minimization of the power to be applied by the electric motor 9 for the opening operation of the car door and the shaft door. Furthermore, there is a saving in power for holding an open shaft and / or cabin door in its open position and for holding the closed cabin door in its closed position.
  • the elevator system can thus be operated in comparison to conventional elevator systems with a cheaper and more compact electric motor 9 and with cheaper and more compact door control units.
  • FIG. 2 shows a schematic representation of the elevator system FIG. 1 in which the car door is partially open and the shaft door is closed.
  • the door leaves 4 of the car door are therefore already opened a gap.
  • the first attachment means 12 is located in FIG. 2 at the apex the pulley 1. From now on, the force F1 produced by the compensating means 5 on the belt acts to assist the force to be generated by the electric motor on the belt 6 for opening. Since the force F1 of the compensating means 5 generated on the belt 6 is equal to the closing force F2 generated by the shaft door closing means 3, the closing force generated by the shaft door closing means 3 is compensated.
  • the power transmission between the car door and shaft door preferably takes place during the opening process of the car door from the crossing of the apex of the roller 1 by the first fastening means 12.
  • the compensation means 5 supports the opening operation of the car door and the shaft door, so that a quick opening of the car door and in particular the shaft door can be made by means of a more compact electric motor and door control device. It is also conceivable that the force F1 applied by the compensating means 5 is greater or smaller than the closing force F2.
  • FIG. 3 shows a schematic representation of the elevator system FIG. 1 and FIG. 2 in which the car door and the landing door are partially open.
  • the force F1 generated on the belt 6 by the compensating means 5 acts to assist the electric motor 9.
  • the force F1 acts in the opposite direction to the force to be applied to open the car door and shaft door as the closing force F2 generated by the shaft door closing means 3, so that the forces to be applied to open the two doors are reduced.
  • the compensation means 5 a compensation of the closing force F2 can thus take place, so that an improved elevator system is present.
  • the compensation means 5 and shaft door closing means 3 is formed in the present embodiment as a weight. It is also conceivable that the compensation means 5 and shaft door closing means 3 is formed by a spring or other energy storage. Likewise, other constructive embodiments in which by a compensation means During the opening operation of the sliding door, the closing force F2 generated by the shaft door closing means 3 is conceivable conceivable. In this case, in particular, the number of rollers 1 vary, the belt 6,11 or the cable are replaced by an alternative power transmission means, the positioning of the compensation means 5 and / or electric motor 9 vary (eg on the shaft door device), the mechanical operative connection between the shaft door closing means third and the landing door will vary (eg, the power transmission will occur through the belt 11 of the landing door device), etc.

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Description

Die Erfindung betrifft ein Aufzugsystem mit einer Schachttürvorrichtung und einer Kabinentürvorrichtung, sowie eine Schachttürvorrichtung und eine Kabinentürvorrichtung.The invention relates to an elevator system with a shaft door device and a car door device, as well as a shaft door device and a car door device.

Aus US 2006/0175143 A1 ist eine Kabinentürvorrichtung für einen Aufzug bekannt, die zwei Schiebetüren umfasst. Die Schiebetüren sind jeweils mittels Rollen beweglich an einer gemeinsamen Türschiene geführt. Im Bereich eines Türsturzes der Kabine sind ferner federbetätigte Trommeln angeordnet, auf denen ein Zugdraht aufwickelbar ist. Jeweils eine federbetätigte Trommel übt über den zugehörigen Zugdraht eine Zugkraft auf eine Schiebetür aus, die die Schiebetür in eine Öffnungsrichtung zieht. Alternativ kann im Bereich des Türsturzes auch eine Umlenkrolle angeordnet sein, über die ein Zugdraht gelenkt wird, der an einem Ende mit der Schiebetür und am entgegengesetzten Ende mit einem Ballaststück verbunden ist. Dabei übt die Gewichtskraft des Ballaststücks auf die jeweilige Schiebetür eine Zugkraft aus, die die Schiebetür in eine Öffnungsrichtung zieht. Weiter alternativ hierzu können im Bereich des Türsturzes auch Zugfedern angeordnet sein. Dabei ist jeweils eine Zugfeder mit dem Türsturz und einer Schiebetür verbunden. Die jeweils von der Zugfeder auf die zugehörige Schiebetür ausgeübte Rückstellkraft zieht dabei die Schiebetür in eine Öffnungsrichtung. Diese Ausführungsformen stellen bei einem Ausfall eines elektrischen Türantriebs der Kabine eine Möglichkeit zur Verfügung, die Öffnung der Kabinentür zu erleichtern.Out US 2006/0175143 A1 For example, a car door device for an elevator is known which comprises two sliding doors. The sliding doors are each movably guided by rollers on a common door rail. In the area of a lintel of the cabin spring-actuated drums are further arranged, on which a pull wire is wound up. In each case a spring-actuated drum exerts a tensile force on a sliding door via the associated puller wire, which pulls the sliding door in an opening direction. Alternatively, in the region of the lintel, a deflection roller can be arranged, over which a puller wire is directed, which is connected at one end to the sliding door and at the opposite end to a ballast piece. The weight of the ballast piece exerts on the respective sliding door a tensile force that pulls the sliding door in an opening direction. Further alternatively, tension springs may be arranged in the region of the lintel. In each case, a tension spring is connected to the lintel and a sliding door. The respectively exerted by the tension spring on the associated sliding door restoring force pulls the sliding door in an opening direction. These embodiments provide for a failure of an electric door drive the cabin a way to facilitate the opening of the car door.

Die Druckschrift US 1,735,153 A offenbart eine Schachttürvorrichtung für einen Aufzug, in der eine Schachttür auf Rollen beweglich in einer Schiene geführt wird. Die Schachttür ist an jeweils entgegengesetzten Seiten mit einem Zugseil verbunden, die jeweils über eine Umlenkrolle geführt sind. An einem ersten Zugseil ist ein schweres Ballaststück befestigt und an einem zweiten Zugseil ein leichtes Ballaststück. Die durch die Gewichtskräfte der Ballaststücke auf die Schachttür ausgeübten Zugkräfte entlang der Schiene sind unterschiedlich hoch. Wenn auf die Schachttür keine Betätigungskraft eines Schachttürantriebs einwirkt, wird die Schachttür durch die beiden Ballaststück resultierende Zugkraft in eine Schließrichtung gezogen. Wird auf die Schachttür durch den Schachttürantrieb eine Öffnungskraft ausgeübt, wird der Öffnungsvorgang durch die von leichten Ballaststück ausgeübte Zugkraft unterstützt.The publication US 1,735,153 A discloses a hoistway door device for an elevator in which a hoistway door is guided on rollers movably in a rail. The shaft door is connected at opposite sides with a pull rope, which are each guided over a pulley. At a first pull rope a heavy ballast piece is attached and attached a second pull rope a light ballast piece. The tensile forces exerted on the shaft door by the weight forces of the ballast pieces along the rail are of different heights. If the shaft door does not exert an actuating force of a shaft door drive, the shaft door is pulled by the two ballast piece resulting tensile force in a closing direction. If an opening force is exerted on the shaft door by the shaft door drive, the opening process is supported by the tensile force exerted by light ballast piece.

Aufzugsysteme müssen, insbesondere wenn sie für den Personenverkehr vorgesehen sind, unterschiedliche Sicherheitsmechanismen aufweisen, so dass den Anforderungen an die Sicherheit entsprochen wird. Es muss beispielsweise gewährleistet werden, dass eine geöffnete Schachttür einer Schachttürvorrichtung im nichtgekoppelten Zustand automatisch geschlossen wird, so dass eine Person nicht in den Aufzugsschacht fallen kann. Der Aufzugsschacht ist der Schacht, in welchem die Aufzugskabine hoch und runter fahren kann. Der nichtgekoppelte Zustand liegt vor, wenn die Kabinentürvorrichtung, welche die Aufzugskabine umfasst, sich nicht an der entsprechenden Position (Landestelle im Schacht) in dem entsprechenden Schacht der Schachttürvorrichtung befindet. Im nichtgekoppelten Zustand liegt insbesondere keine mechanische Wirkverbindung zwischen der Schachttürvorrichtung und der Kabinentürvorrichtung vor, d.h. sie sind nicht miteinander gekoppelt. Das automatische Schließen der Schachttür muss insbesondere ebenso im stromlosen Zustand der Schachttürvorrichtung gewährleistet werden. Hierfür weist die Schachttürvorrichtung des Aufzugssystems üblicherweise ein Schachttürschließmittel auf, welches dafür sorgt, dass die Schachttür der Schachttürvorrichtung im geöffneten ungekoppelten Zustand automatisch die geschlossene Stellung einnimmt. Da dieser Mechanismus ebenso im stromlosen Zustand gewährleistet werden soll, kann als Schachttürschließmittel kein Elektromotor eingesetzt werden. Das Schachttürschließmittel ist daher meist durch ein Gewicht ausgebildet, welches mittels eines über eine Umlenkrolle geführten Seilzuges mit der Schachttür derart in Wirkverbindung steht, dass eine Schließkraft F2 auf die Schachttür insbesondere im geöffneten Zustand ausgeübt wird, so dass die Schachttür in Richtung der geschlossenen Stellung bewegt wird. Die durch das Schachttürschließmittel verursachte Schließkraft F2 auf die Schachtür wirkt meist ununterbrochen auf die Schachttür, so dass zum Öffnen der Schachttüre ebenso die entgegen der Öffnungsrichtung wirkende Schließkraft F2 aufgebracht werden muss.Elevator systems, especially those intended for passenger transport, must have different security mechanisms, so that safety requirements are met. It must be ensured, for example, that an open shaft door of a shaft door device is automatically closed in the uncoupled state, so that a person can not fall into the elevator shaft. The elevator shaft is the shaft in which the elevator car can go up and down. The uncoupled state exists when the car door device comprising the elevator car is not in the corresponding position (landing in the shaft) in the corresponding shaft of the shaft door device. In the uncoupled state, in particular, there is no mechanical operative connection between the shaft door device and the car door device, ie they are not coupled to one another. The automatic closing of the shaft door must be ensured in particular also in the de-energized state of the shaft door device. For this purpose, the shaft door device of the elevator system usually has a shaft door closing means, which ensures that the shaft door of the shaft door device automatically assumes the closed position in the open uncoupled state. Since this mechanism is also to be ensured in the de-energized state, can be used as a shaft door closing means no electric motor. The shaft door closing means is therefore usually formed by a weight, which guided by means of a deflection roller Cable is in operative connection with the shaft door in such a way that a closing force F2 is exerted on the shaft door, in particular in the open state, so that the shaft door is moved in the direction of the closed position. The closing force F2 caused by the shaft door closing means on the shaft door usually acts uninterruptedly on the shaft door, so that the closing force F2 acting counter to the opening direction must likewise be applied to open the shaft door.

Mit einem Aufzugsystem werden mehrere Etagen angefahren. Hierbei kann es vorkommen, dass die Schachttüren der einzelnen Etagen unterschiedlich ausgebildet sind. Folglich kann es vorkommen, dass insbesondere das Schachttürschließmittel und folglich die auf die Schachttür wirkende Schließkraft F2 unterschiedlich ausgebildet ist. Es können somit etagenabhängig unterschiedliche Schließkräfte F2 durch das Schachttürschließmittel auf die entsprechende Schachttür ausgeübt werden, welche beim Anfahren der Kabinentürvorrichtung mit der Kabine jeweils zum Öffnen überwunden werden müssen. Wird das Schachttürschließmittel beispielsweise als Gewicht ausgebildet, so hat das Gewicht in Abhängigkeit der vorliegenden Schachttür üblicherweise eine Masse von ca. 3 bis 10 kg.With an elevator system several floors are approached. It may happen that the shaft doors of each floor are designed differently. Consequently, it may happen that, in particular, the shaft door closing means and consequently the closing force F2 acting on the shaft door are designed differently. It can thus be dependent on the floor different closing forces F2 exerted by the shaft door closing means on the corresponding shaft door, which must be overcome when starting the car door device with the car each to open. If the shaft door closing means is designed, for example, as a weight, then the weight usually has a mass of approximately 3 to 10 kg, depending on the present shaft door.

Um eine Schachtür zu öffnen wird üblicherweise die Kabinentürvorrichtung mit der Schachttürvorrichtung gekoppelt, so dass eine mechanische Wirkverbindung zwischen der Kabinentürvorrichtung und der Schachttürvorrichtung hergestellt ist. Das Koppeln kann beispielsweise mittels eines an der Kabinentürvorrichtung vorhanden Schwerts erfolgen, welches beim Anfahren der Kabinentürvorrichtung zur entsprechenden Position im Schacht (Landestelle im Schacht) mit der Schachttürvorrichtung eine mechanische Wirkverbindung herstellt, so dass durch die Kabinentürvorrichtung Kräfte auf die Schachttürvorrichtung und insbesondere auf dessen Schachttür übertragen werden können, oder umgekehrt. Mittels eines Elektromotors wird üblicherweise eine dieser Türen zum Öffnen direkt angetrieben. Da im gekoppelten Zustand die beiden Türen miteinander verbunden sind, z.B. mittels des Schwerts, werden ebenso die Kräfte des Elektromotors auf die gekoppelte Tür übertragen, so dass neben der vom Elektromotor direkt angetriebenen Tür ebenso die mit der direkt angetriebenen Tür gekoppelte Tür mitgeöffnet wird. Wird durch den Elektromotor beispielsweise die Kabinentür direkt geöffnet, so wird mittels der mechanischen Wirkverbindung zwischen der Kabinentür und der Schachtür ebenso die Schachttür geöffnet. Sobald die beiden Türen (Kabinentür und Schachttür) miteinander gekoppelt sind, können somit durch den Elektromotor beide Türen geöffnet werden. Da der Elektromotor meist in der Kabinentürvorrichtung untergebracht ist und die Kabinentür direkt antreibt, wird die Schachttür meist durch die mechanische Wirkverbindung zwischen der Schachttür und der Kabinentür geöffnet. Die Schachtür wird somit indirekt über den Elektromotor geöffnet.In order to open a shaft door, the car door device is usually coupled to the shaft door device, so that a mechanical operative connection between the car door device and the shaft door device is made. The coupling can be done, for example, by means of a sword present on the car door device, which establishes a mechanical operative connection with the shaft door device when the car door device approaches the corresponding position in the shaft (landing in the shaft), so that forces are exerted on the shaft door device and in particular on its shaft door by the car door device can be transmitted, or vice versa. By means of an electric motor usually one of these doors is directly driven to open. Because in the coupled state, the two doors with each other are connected, for example by means of the sword, as well as the forces of the electric motor are transmitted to the coupled door, so that in addition to the door directly driven by the electric motor also coupled with the door directly driven door is mitgeöff. If, for example, the car door is opened directly by the electric motor, the shaft door is also opened by means of the mechanical operative connection between the car door and the shaft door. As soon as the two doors (car door and landing door) are coupled together, both doors can be opened by the electric motor. Since the electric motor is usually housed in the car door device and drives the car door directly, the landing door is usually opened by the mechanical operative connection between the landing door and the car door. The shaft door is thus opened indirectly via the electric motor.

Eine Aufgabe der vorliegenden Erfindung ist es ein verbessertes Aufzugsystem bereitzustellen, welches insbesondere ein schnelles Öffnen einer Schachttür mit einem energieeffizienten und kompakten Türsteuergerät ermöglicht.An object of the present invention is to provide an improved elevator system, which in particular allows a quick opening of a landing door with an energy-efficient and compact door control unit.

Diese Aufgabe wird gelöst durch eine Vorrichtung gemäß Anspruch 1, d.h. durch ein Aufzugsystem mit einer Schachttürvorrichtung und einer Kabinentürvorrichtung, wobei die Schachttürvorrichtung eine Schachttür und ein Schachttürschließmittel umfasst und die Kabinentürvorrichtung eine Kabinentür umfasst, wobei das Schachttürschließmittel mit der Schachttür derart in Wirkverbindung steht, dass eine Schließkraft F2 auf die Schachttür ausgeübt wird, wobei das Aufzugsystem ferner ein Kompensationsmittel umfasst, welches derart mit der Schachttür in Wirkverbindung stehen kann, dass zumindest phasenweise während des Öffnungsvorgangs der Schachttür zumindest ein Teil der auf die Schachttür wirkenden Schließkraft F2 durch das Kompensationsmittel kompensiert wird, sowie durch eine Schachttürvorrichtung nach Anspruch 8 und eine Kabinentürvorrichtung nach Anspruch 9.This object is achieved by an apparatus according to claim 1, ie by an elevator system comprising a hoistway door device and a car door device, wherein the hoistway door device comprises a hoistway door and a shaft door closing means and the car door device comprises a car door, wherein the hoistway door closing means is operatively connected to the hoistway door a closing force F2 is exerted on the shaft door, wherein the elevator system further comprises a compensating means which can be operatively connected to the shaft door such that at least in phases during the opening operation of the shaft door at least a part of the force acting on the shaft door closing force F2 is compensated by the compensation means , and by a landing door device according to claim 8 and a car door device according to claim 9.

Vorteilhafte Weiterbildungen der Erfindung sind in den abhängigen Ansprüchen 2 bis 7 angegeben.Advantageous developments of the invention are specified in the dependent claims 2 to 7.

Der Öffnungsvorgang der Schachttür ist der Zeitraum, in welchem die geschlossene Schachttür den vollständig geöffneten Zustand einnimmt. Der Öffnungsvorgang der Kabinentür ist der Zeitraum, in welchem die geschlossene Kabinentür den vollständig geöffneten Zustand einnimmt.The opening process of the shaft door is the period in which the closed shaft door assumes the fully opened state. The opening operation of the car door is the period in which the closed car door assumes the fully opened state.

Das Schachttürschließmittel steht insbesondere mit der Schachttür derart in Wirkverbindung, dass mittels der auf die Schachttür wirkenden Schließkraft F2 die Schachttür im ungekoppelten geöffneten Zustand durch die Schließkraft F2 automatisch in die geschlossene Stellung bewegt wird.The shaft door closing means is in particular in operative connection with the shaft door such that by means of the closing force F2 acting on the shaft door, the shaft door is automatically moved to the closed position in the uncoupled open state by the closing force F2.

Bei den herkömmlichen Aufzugsystemen ist während des Öffnungsvorgangs der gekoppelten Schacht- und Kabinentür wegen der durch das Schachttürschließmittel auf die Schachttür ausgeübten Schließkraft F2 eine hohe Last für den die Schachttür öffnenden Elektromotor aufzubringen. Insbesondere bei einer schnellen Beschleunigung der Schachttür in die Öffnungsrichtung ist eine sehr hohe Momentanleistung am verwendeten Elektromotor erforderlich. Diese hohe Momentanleistung hat insbesondere einen enormen Einfluss auf die Baugröße und die Kosten des Elektromotors und des zugehörigen Türsteuergerätes.In the conventional elevator systems, because of the closing force F2 exerted on the hoistway door by the hoistway door closing means, a high load is required for the electric motor opening the hoistway door during the opening operation of the coupled shaft and car door. Especially with a fast acceleration of the shaft door in the opening direction, a very high instantaneous power is required on the electric motor used. This high instantaneous power in particular has a tremendous impact on the size and cost of the electric motor and the associated door control unit.

Bei dem erfindungsgemäßen Aufzugssystem wird hingegen während des Öffnungsvorgangs der Schachttür zumindest phasenweise mindestens ein Teil der auf die Schachttür wirkenden Schließkraft F2 durch das Kompensationsmittel kompensiert, so dass die Last am Elektromotor während dieser Kompensationsphase reduziert wird. Ein derartiges Aufzugssystem weist mehrere Vorteile auf. Der Elektromotor kann beispielsweise für geringere Belastungen ausgelegt werden, insbesondere kann die Momentanleistung am Elektromotor reduziert werden. Erfindungsgemäß umfasst die Kabinentürvorrichtung das Kompensationsmittel. Folglich muss nicht jede Schachttürvorrichtung des Aufzugsystems ein Kompensationsmittel aufweisen, da dieses durch die Kabinentürvorrichtung bereitgestellt wird. Durch das mechanische Koppeln der Kabinentürvorrichtung mit der entsprechenden Schachttürvorrichtung kann eine Kraftübertragung zwischen den beiden Vorrichtungen erfolgen, so dass durch das Kompensationsmittel eine Reduzierung der auf die Schiebetür wirkenden Schließkraft F2 in Richtung der geschlossen Stellung erfolgen kann.In contrast, in the elevator system according to the invention, during the opening operation of the shaft door, at least a part of the closing force F2 acting on the shaft door is compensated by the compensating means, so that the load on the electric motor is reduced during this compensation phase. Such an elevator system has several advantages. The electric motor can be designed, for example, for lower loads, in particular, the instantaneous power can be reduced at the electric motor. According to the invention, the car door device comprises the compensation means. Consequently, not every shaft door device of the elevator system must have a compensating means, since this by the car door device is provided. As a result of the mechanical coupling of the car door device with the corresponding shaft door device, a force transmission between the two devices can take place so that a reduction of the closing force F2 acting on the sliding door in the direction of the closed position can be achieved by the compensating means.

Ferner übt das Kompensationsmittel in der geschlossenen Stellung der Kabinentür eine Zuhaltekraft auf die Kabinentür aus, so dass die Kabinentür zugehalten wird. Das Kompensationsmittel ist insbesondere derart ausgebildet, dass mittels der Zuhaltekraft des Kompensationsmittels im stromlosen geschlossenen Zustand der Kabinentürvorrichtung die Kabinentür die geschlossene Stellung ohne Einwirkung einer externen Kraft (z.B. durch eine Person) beibehält.Furthermore, in the closed position of the car door, the compensating means exerts a locking force on the car door, so that the car door is locked. In particular, the compensating means is designed such that by means of the locking force of the compensating means in the de-energized closed state of the car door device, the car door maintains the closed position without external force (for example by a person).

Dadurch, dass das Kompensationsmittel über den Verfahrweg vom geschlossenen Zustand der Schachtür zum geöffneten Zustand der Schachtür die aufzubringende Last am Elektromotor zumindest phasenweise reduziert, kann ein kompakterer und kostengünstiger Elektromotor eingesetzt werden. Durch die niedrige Last für den Elektromotor über den Verfahrweg des Öffnens der Schachttür kann ferner ein energieeffizienteres und kompakteres Türsteuergerät für das Aufzugsystem eingesetzt werden. Ferner kann die Schachttür schneller geöffnet werden, da während des Öffnens zumindest phasenweise zumindest ein Teil der Schließkraft durch das Kompensationsmittel kompensiert wird.Due to the fact that the compensating means reduces the load to be applied to the electric motor at least in phases via the travel path from the closed state of the shaft door to the open state of the shaft door, a more compact and cost-effective electric motor can be used. The low load on the electric motor over the path of opening the landing door also makes it possible to use a more energy efficient and compact door controller for the elevator system. Furthermore, the shaft door can be opened more quickly, since during opening at least in phases at least part of the closing force is compensated by the compensating means.

In einer vorteilhaften Ausführungsform der Erfindung wird das Kompensationsmittel mit der Schachttüre derart gekoppelt, dass während mindestens 50% des Öffnungsvorgangs, in Bezug auf den zurückzulegenden Öffnungsweg der Schachttür, eine Kompensation zumindest eines Teils der Schließkraft F2 durch das Kompensationsmittel erfolgt.In an advantageous embodiment of the invention, the compensating means is coupled to the shaft door such that during at least 50% of the opening operation, with respect to the opening path of the shaft door to be covered, a compensation of at least a part of the closing force F2 by the compensation means.

In einer weiteren vorteilhaften Ausführungsform der Erfindung ist das Kompensationsmittel mit der Schachttür derart in Wirkverbindung, dass während des gesamten Öffnungsvorgangs der Schachttür eine Kompensation der Schließkraft durch das Kompensationsmittel erfolgt.In a further advantageous embodiment of the invention, the compensation means with the shaft door in such Operative connection, that during the entire opening process of the shaft door, a compensation of the closing force by the compensation means.

In einer weiteren vorteilhaften Ausführungsform der Erfindung ist das Kompensationsmittel derart ausgebildet, dass eine vollständige Kompensation der auf die Schachttür wirkenden Schließkraft F2 erfolgen kann. Vorzugsweise wird durch das Kompensationsmittel während des Öffnungsvorgangs eine Kraft auf die Schachttür ausgeübt, welche größer als die Schließkraft F2 ist.In a further advantageous embodiment of the invention, the compensating means is designed such that a complete compensation of the forces acting on the shaft door closing force F2 can take place. Preferably, by the compensation means during the opening operation, a force is exerted on the shaft door, which is greater than the closing force F2.

In einer vorteilhaften Ausführungsform der Erfindung ist das Kompensationsmittel und/oder das Schachttürschließmittel jeweils ein Energiespeicher. Der Energiespeicher ist z.B. eine Feder, ein elastisches Element oder ein Gewicht. Insbesondere übt der Energiespeicher ebenso im stromlosen Zustand die gleiche Kraft auf die mit ihm gekoppelte Komponente aus. Wird beispielsweise das Kompensationsmittel und das Schachttürschließmittel jeweils durch ein Gewicht ausgebildet, so kann das jeweilige Gewicht potentielle Energie aufnehmen bzw. abgeben und somit speichern. Mittels einer entsprechenden Verbindung mit der jeweiligen Tür (z.B. mittels eines über eine Umlenkrolle geführten Seils) kann das Gewicht in Wirkverbindung mit der Tür stehen, so dass Kräfte übertragbar sind. Unter dem Energiespeicher ist insbesondere kein Elektromotor zu verstehen.In an advantageous embodiment of the invention, the compensation means and / or the shaft door closing means are each an energy store. The energy store is e.g. a spring, an elastic element or a weight. In particular, the energy storage also exerts the same force on the coupled with him component in the de-energized state. If, for example, the compensating means and the shaft door closing means are each formed by a weight, then the respective weight can receive or release potential energy and thus store it. By means of a corresponding connection with the respective door (for example by means of a cable guided over a deflection roller), the weight can be in operative connection with the door, so that forces can be transmitted. Under the energy storage is in particular no electric motor to understand.

In einer weiteren vorteilhaften Ausführungsform der Erfindung kann lediglich im gekoppelten Zustand der Kabinentürvorrichtung mit der Schachttürvorrichtung zumindest ein Teil der auf die Schachttür wirkenden Schließkraft F2 durch das Kompensationsmittel kompensiert werden. Folglich kann im gekoppelten Zustand die auf die Schachttür wirkende Kraft in Richtung der geschlossen Stellung der Schachttür reduziert oder aufgehoben werden. Das Kompensationsmittel wird somit lediglich zum Öffnen der Schachttür mit der Schachttür gekoppelt. Im ungekoppelten Zustand wird die auf die Schachttür wirkende Schließkraft F2 nicht durch das Kompensationsmittel reduziert. Auf diese Weise kann gewährleistet werden, dass das automatische Schließen der Schachttür im geöffneten ungekoppelten Zustand selbstständig erfolgen kann und im gekoppelten Zustand eine Reduzierung der für den Elektromotor anzutreibenden Last zumindest phasenweise während des Öffnungsvorgangs erfolgen kann.In a further advantageous embodiment of the invention, at least part of the closing force F2 acting on the shaft door can be compensated by the compensating means only in the coupled state of the car door device with the shaft door device. Consequently, in the coupled state, the force acting on the shaft door can be reduced or eliminated in the direction of the closed position of the shaft door. The compensation means is thus coupled only to open the shaft door with the shaft door. In the uncoupled state, the force acting on the shaft door closing force F2 not reduced by the compensation means. In this way it can be ensured that the automatic closing of the shaft door in the open uncoupled state can be done independently and in the coupled state, a reduction of the load to be driven for the electric motor at least in phases during the opening process can take place.

Vorzugsweise wird das Kompensationsmittel im Moment der Kopplung der Kabinentür mit der Schachttür mit der Schachttürvorrichtung gekoppelt. Das Koppeln des Kompensationsmittels erfolgt vorzugsweise mittels einer Mechanik in Verbindung mit dem Türschwert (Türkoppelmechanismus für Kabinentür und Schachttür). Zur Geräuschminimierung können zusätzlich auch Laufrollen oder ähnliches verwendet werden.Preferably, the compensation means is coupled with the shaft door device at the moment of coupling the car door with the landing door. The coupling of the compensating means is preferably carried out by means of a mechanism in conjunction with the door sash (door double mechanism for car door and landing door). To minimize noise can also be used in addition rollers or the like.

In einer weiteren vorteilhaften Ausführungsform der Erfindung ist die durch das Kompensationsmittel auf die Schachttürvorrichtung wirkende Kraft zumindest zweitweise während des Öffnungsvorgangs der Schachttür größer als die Schließkraft F2 oder gleich der Schließkraft F2. Hierbei werden insbesondere die Kräfte (Schließkraft F2 und die an der Schachttürvorrichtung wirkende Kraft des Kompensationsmittels) am selben Angriffspunkt an der Schachttürvorrichtung (vorzugsweise an der Schachttür) betrachtet.In a further advantageous embodiment of the invention, the force acting on the shaft door device by the compensating means at least in part during the opening operation of the shaft door is greater than the closing force F2 or equal to the closing force F2. In particular, the forces (closing force F2 and the force acting on the shaft door device force of the compensation means) at the same point of attack on the shaft door device (preferably at the shaft door) are considered.

In einer weiteren vorteilhaften Ausführungsform der Erfindung umfasst die Kabinentürvorrichtung einen Elektromotor, welcher während des Öffnungsvorgangs der Kabinentür mit der Kabinentür und der mit der Kabinentür gekoppelten Schachttür derart in Wirkverbindung treten kann, dass beide Türen durch den Elektromotor geöffnet werden können. Alternativ hierzu kann die Schachttürvorrichtung einen Elektromotor umfassen, welcher während des Öffnungsvorgangs der Schachttür mit der Schachttür und der mit der Schachttür gekoppelten Kabinentür derart in Wirkverbindung steht, dass beide Türen durch den Elektromotor geöffnet werden können.In a further advantageous embodiment of the invention, the car door device comprises an electric motor, which during the opening operation of the car door with the car door and coupled with the car door shaft door can be operatively connected in such a way that both doors can be opened by the electric motor. Alternatively, the hoistway door device may comprise an electric motor operatively connected to the hoistway door and the car door coupled to the hoistway door during the opening operation of the hoistway door such that both doors can be opened by the electric motor.

In einer weiteren vorteilhaften Ausführungsform der Erfindung übt das Schachttürschließmittel eine Schließkraft F2 auf die Schachttür aus, so dass die geöffnete Schachtüre im ungekoppelten Zustand der Schachttürvorrichtung mit der Kabinentürvorrichtung durch die Schließkraft F2 geschlossen wird. Die Schließkraft F2 sorgt somit für das Schließen der Schachttür, sofern die Kabinentürvorrichtung nicht mit der Schachttürvorrichtung gekoppelt ist. Das Schachttürschließmittel übt somit eine Schließkraft auf die Schachttüre aus, welche eine geöffnete Schachttür in Richtung der geschlossenen Stellung der Schachttüre bewegen kann. Zum Öffnen der Schachttür im gekoppelten Zustand muss diese Schließkraft F2 ebenso aufgebracht werden. Dank des Kompensationsmittels kann diese Schließkraft zumindest phasenweise reduziert oder vollständig aufgehoben werden. Ein schnelleres und leistungseffizienteres Öffnen der Schachttüre kann somit ermöglicht werden.In a further advantageous embodiment of the invention, the shaft door closing means exerts a closing force F2 on the shaft door, so that the opened shaft door is closed by the closing force F2 in the uncoupled state of the shaft door device with the car door device. The closing force F2 thus ensures the closing of the shaft door, provided that the car door device is not coupled to the shaft door device. The shaft door closing means thus exerts a closing force on the shaft door, which can move an open shaft door in the direction of the closed position of the shaft door. To open the shaft door in the coupled state, this closing force F2 must also be applied. Thanks to the compensating means, this closing force can be at least reduced in phases or completely eliminated. A faster and more efficient opening the shaft door can thus be made possible.

Die erfindungsgemäße Schachttürvorrichtung umfasst das Kompensationsmittel. Es kann somit etagenabhängig ein genau auf das Schachttürschließmittel abgestimmtes Kompensationsmittel in der Schachttürvorrichtung verbaut werden, so dass eine optimale Kompensation der Schließkraft F2 im gekoppelten Zustand der Schachttürvorrichtung mit der Kabinentürvorrichtung, die die Kabinentür umfasst, während des Öffnungsvorgangs erfolgen kann. Hierbei tritt während der Koppelung der Kabinentürvorrichtung mit der Schachttürvorrichtung das auf das Schachttürschließmittel abgestimmte Kompensationsmittel mit der Schachttürvorrichtung in Wirkverbindung, so dass zumindest phasenweise während des Öffnungsvorgangs der Schachttür zumindest ein Teil der Schließkraft F2 kompensiert wird. Dabei ist das Kompensationsmittel derart ausgebildet, dass eine vollständige Kompensation der auf die Schachttür wirkenden Schließkraft F2 erfolgen kann. Vorzugsweise wird durch das Kompensationsmittel während des Öffnungsvorgangs eine Kraft auf die Schachttür ausgeübt, welche größer als die Schließkraft F2 ist.The shaft door device according to the invention comprises the compensation means. Thus, depending on the floor, a compensating means, which is precisely matched to the shaft door closing means, can be installed in the shaft door device, so that an optimal compensation of the closing force F2 in the coupled state of the shaft door device with the car door device comprising the car door can take place during the opening operation. During the coupling of the car door device with the shaft door device, the compensating means tuned to the shaft door closing means interacts with the shaft door device, so that at least part of the closing force F2 is compensated for at least in phases during the opening operation of the shaft door. In this case, the compensating means is designed such that a complete compensation of the force acting on the shaft door closing force F2 can be done. Preferably, by the compensation means during the opening operation, a force is exerted on the shaft door, which is greater than the closing force F2.

In einer weiteren vorteilhaften Ausführungsform der Erfindung beginnt das Öffnen der Schachttür mit einem zeitlichen Verzug zum Öffnen der Kabinentür. Vorzugsweise wird zunächst die Kabinentür soweit geöffnet, bis das Kompensationsmittel derart positioniert ist, dass es die an der Schachttür wirkende Schließkraft F2 für den Elektromotor kompensieren kann. Daraufhin wird ebenso die Schachttür geöffnet. Auf diese Weise kann die für den Elektromotor aufzubringende Leistung verringert werden und ein schnelles Öffnen der Kabinen- und Schachttür gewährleistet werden. Der zeitliche Verzug kann beispielsweise mittels der Koppelvorrichtung zwischen der Kabinentürvorrichtung und der Schachttürvorrichtung, insbesondere zwischen der Kabinentür und der Schachttür, erfolgen. Das Öffnen der Schachttür erfolgt somit vorzugsweise ab dem Zeitpunkt, in welchem die durch das Kompensationsmittel auf die Schachttür ausgeübte Kraft die durch die Schließkraft F2 für den Elektromotor erzeugte Kraft reduzieren kann.In a further advantageous embodiment of the invention, the opening of the shaft door begins with a time delay for opening the car door. Preferably, the car door is first opened so far until the compensation means is positioned so that it can compensate for acting on the shaft door closing force F2 for the electric motor. thereupon the shaft door is opened as well. In this way, the power to be applied to the electric motor can be reduced and a quick opening of the car and landing door can be ensured. The delay in time, for example, by means of the coupling device between the car door device and the shaft door device, in particular between the car door and the shaft door done. The opening of the shaft door is thus preferably from the time in which the force exerted by the compensation means on the shaft door force can reduce the force generated by the closing force F2 for the electric motor.

In einer weiteren vorteilhaften Ausführungsform der Erfindung wird die Wirkverbindung des Kompensationsmittels auf die Schachttüre während des Koppelvorgangs der Kabinentürvorrichtung mit der Schachtürvorrichtung hergestellt und bei einem Entkoppeln der Kabinentürvorrichtung mit der Schachtürvorrichtung gelöst.In a further advantageous embodiment of the invention, the operative connection of the compensation means is made to the shaft door during the coupling process of the car door device with the shaft door device and released when decoupling the car door device with the shaft door device.

In einer weiteren vorteilhaften Ausführungsform der Erfindung wird durch das Kompensationsmittel eine Öffnungs- und/oder Zuhaltehilfe für die Kabinentür und/oder Schachttür bereitgestellt, auch wenn kein Gegengewicht an der Schachttür vorhanden ist. Mittels des Kompensationsmittels kann somit das Zuhalten der Kabinentür sichergestellt werden und/oder ein verbessertes Öffnen der Kabinentür und/oder Schachttür ermöglicht werden.In a further advantageous embodiment of the invention, an opening and / or locking aid for the car door and / or shaft door is provided by the compensation means, even if no counterweight is present at the shaft door. By means of the compensation means thus locking the car door can be ensured and / or an improved opening of the car door and / or shaft door are made possible.

Die der Erfindung zugrunde liegende Idee ist ebenso anwendbar bei Türen oder Toren jeglicher Art, wie z.B. Schiebetüren, Bahnsteigabschlusstüren, Werkzeugmaschinentüren, Schutztore, Kühlraumtore.The idea underlying the invention is equally applicable to doors or gates of any kind, e.g. Sliding doors, platform doors, machine tool doors, protective gates, refrigerator doors.

Im Folgenden werden die Erfindung und Ausgestaltungen der Erfindung anhand der in den Figuren dargestellten Ausführungsbeispiele näher beschrieben und erläutert. Es zeigen:

FIG 1
eine schematische Darstellung eines Aufzugsystems mit geschlossenen Türen,
FIG 2
eine schematische Darstellung des Aufzugsystems aus Figur 1, bei welchem die Kabinentür teilweise geöffnet ist und die Schachttür geschlossen ist und
FIG 3
eine schematische Darstellung des Aufzugsystems aus Figur 1 und 2, bei welchem die Kabinentür und die Schachttür teilweise geöffnet sind.
In the following, the invention and embodiments of the invention will be described and explained in more detail with reference to the exemplary embodiments illustrated in the figures. Show it:
FIG. 1
a schematic representation of an elevator system with closed doors,
FIG. 2
a schematic representation of the elevator system FIG. 1 in which the car door is partially open and the shaft door is closed and
FIG. 3
a schematic representation of the elevator system FIG. 1 and 2 in which the car door and the landing door are partially open.

Bei der folgenden Betrachtung des Aufzugsystems nach FIG 1 bis 3 wird von einem idealen System ausgegangen, bei welchem die Reibungskräfte außer Betracht bleiben.In the following consideration of the elevator system according to 1 to 3 is based on an ideal system in which the frictional forces are disregarded.

FIG 1 zeigt eine schematische Darstellung eines Aufzugsystems mit geschlossenen Türen. Das Aufzugssystem umfasst eine Kabinentürvorrichtung und je anzusteuernde Etage eine Schachttürvorrichtung. FIG. 1 shows a schematic representation of an elevator system with closed doors. The elevator system comprises a car door device and each floor to be controlled a landing door device.

Die Kabinentürvorrichtung umfasst eine Kabinentür, über welche Personen die Kabine betreten und verlassen können. Die abgebildete Kabinentür weist die geschlossene Stellung auf, so dass derzeit keine Person die Kabine betreten bzw. verlassen kann. Die Kabinentür umfasst zwei Türflügel 4, welche zum Öffnen in eine entgegengesetzte Richtung bewegt werden. Zum elektrischen Öffnen bzw. Schließen der Kabinentür umfasst die Kabinentürvorrichtung einen Elektromotor 9, ein Antriebsritzl 15, einen Riemen 6, eine Umlenkrolle 1 und je Türflügel 4 der Kabinentür einen Türmitnehmer 7, welcher mit dem entsprechenden Türflügel 4 der Kabinentür und dem Riemen 6 verbunden ist. Mittels des Elektromotors 9 kann das Antriebsritzl 15 angetrieben werden, so dass durch das Antriebsritzl 15 der Riemen 6 bewegt werden kann. Der Riemen 6 ist über das Antriebsritzl 15 und der Umlenkrolle 1 gespannt und weist zwei Türmitnehmer 7 auf, so dass er die vom Elektromotor 9 über das Antriebsritzl 15 übertragene Kraft mittels der Türmitnehmer 7 an die Kabinentür übertragen kann, so dass die Türflügel 4 der Kabinentür gleichmäßig geöffnet bzw. geschlossen werden können.The car door device comprises a car door, via which persons can enter and leave the car. The cabin door shown has the closed position, so that no person can enter or leave the cabin at present. The car door comprises two door leaves 4, which are moved in an opposite direction for opening. For electrically opening or closing the car door, the car door device comprises an electric motor 9, a drive pin 15, a belt 6, a deflection roller 1 and per door leaf 4 of the car door a Türmitnehmer 7, which is connected to the corresponding door 4 of the car door and the belt 6 , By means of the electric motor 9, the Antriebsritzl 15 can be driven, so that by the Antriebsritzl 15 of the belt 6 can be moved. The belt 6 is stretched over the Antriebsritzl 15 and the guide roller 1 and has two Türmitnehmer 7, so that it can transmit transmitted by the electric motor 9 via the Antriebsritzl 15 force by means of Türmitnehmer 7 to the car door, so that the door 4 of the car door can be opened or closed evenly.

Die Schachttürvorrichtung umfasst eine Schachttür, welche zwei Türflügel 8 umfasst, drei Umlenkrollen 1, einen Riemen 11, zwei Türmitnehmer 2, ein zweites Befestigungsmittel 16, ein zweites Seil 14 und ein Schachttürschließmittel 3. Der Riemen 11 ist über zwei Umlenkrollen 1 gespannt, so dass eine Kraftübertragung über den Riemen erfolgen kann. Jeder Türflügel 8 der Schachttür ist mittels des zugehörigen Türmitnehmers 2 mit dem Riemen 11 befestigt, so dass bei einer Bewegung des Riemens 11 in eine Richtung, die Schachttür gleichmäßig geöffnet werden kann und bei einer Bewegung des Riemens 11 in die entgegengesetzte Richtung die Schachttür gleichmäßig geschlossen werden kann. Die Schachttürvorrichtung weist aus Sicherheitsgründen das Schachttürschließmittel 3 auf, welches dafür sorgt, dass die Schachttüre aus dem ungekoppelten ganz oder teilweise geöffneten Zustand automatisch die geschlossene Stellung einnimmt. Auf diese Weise kann beispielsweise verhindert werden, dass eine Schachttür offen steht, obwohl sich die Aufzugskabine in einer anderen Etage befindet. Im vorliegenden Ausführungsbeispiel ist das Schachttürschließmittel 3 durch ein Gewicht ausgebildet, welches mittels des über die Umlenkrolle 1 geführten zweiten Seils 14 mit einem Türflügel der Schachttür verbunden ist. Hierfür ist das erste Ende des zweiten Seils 14 mittels des zweiten Befestigungsmittels 16 mit einem der Türflügel 8 der Schachttür und das zweite Ende des zweiten Seils 14 mit dem Schachttürschließmittel 3 verbunden. Das zweite Seil 14 ist über die Umlenkrolle 1 geführt, so dass eine gezielte Kraftübertragung auf die Schachttür erfolgen kann. Es ist ebenso denkbar, dass das erste Ende des Seils 14 direkt mit dem Riemen 11 verbunden ist und so eine Kraft in Richtung der geschlossenen Stellung der Schachttür auf die Schachttür ausgeübt wird. Das Schachttürschließmittel 3 steht somit mit der Schachttür derart in Wirkverbindung, dass eine Schließkraft F2 auf die Schachttür, insbesondere auf einen Türflügel 8 der Schachttür, ausgeübt wird, so dass die Schachttür in Richtung der geschlossenen Stellung bewegt werden kann. Figur 1 zeigt die geschlossene Stellung der Schachttür und der Kabinentür. Das als Gewicht ausgebildete Schachttürschließmittel 3 übt somit mittels des über die Umlenkrolle 1 geführten zweiten Seils 14 auf einen der Türflügel 8 der Schachtüre eine Schließkraft F2 aus. Da beide Türflügel 8 der Schachttür über den Riemen 11 miteinander gekoppelt sind, wird diese Schließkraft F2 ebenso auf den anderen Türflügel übertragen, so dass ein Schließen der Schachttür erfolgen kann.The shaft door device comprises a shaft door, which comprises two door leaves 8, three guide rollers 1, a belt 11, two door drivers 2, a second attachment means 16, a second cable 14 and a shaft door closing means 3. The belt 11 is stretched over two deflection rollers 1, so that a power transmission can take place via the belt. Each door leaf 8 of the landing door is fixed to the belt 11 by means of the associated door driver 2 so that when the belt 11 is moved in one direction, the landing door can be opened uniformly and the door of the shaft is smoothly closed when the belt 11 moves in the opposite direction can be. For safety reasons, the shaft door device has the shaft door closing means 3, which ensures that the shaft door automatically assumes the closed position from the uncoupled fully or partially opened state. In this way, for example, it can be prevented that a shaft door is open, although the elevator car is located on another floor. In the present embodiment, the shaft door closing means 3 is formed by a weight, which is connected by means of the guided over the guide roller 1 second cable 14 with a door leaf of the shaft door. For this purpose, the first end of the second cable 14 is connected by means of the second fastening means 16 with one of the door leaf 8 of the shaft door and the second end of the second cable 14 with the shaft door closing means 3. The second cable 14 is guided over the deflection roller 1, so that a targeted power transmission can take place on the shaft door. It is also conceivable that the first end of the rope 14 is directly connected to the belt 11 and so a force is exerted in the direction of the closed position of the shaft door on the shaft door. The shaft door closing means 3 is thus operatively connected to the shaft door such that a closing force F2 is exerted on the shaft door, in particular on a door leaf 8 of the shaft door, so that the shaft door in the direction the closed position can be moved. FIG. 1 shows the closed position of the landing door and the car door. The shaft door closing means 3 embodied as a weight thus exerts a closing force F2 on one of the door leaves 8 of the shaft door by means of the second cable 14 guided over the deflection roller 1. Since both door leaves 8 of the shaft door are coupled to one another via the belt 11, this closing force F2 is likewise transmitted to the other door leaf so that the shaft door can be closed.

Die durch das Schachttürschließmittel 3 verursachte Schließkraft F2 wirkt ununterbrochen auf die Schachttür, so dass zum Öffnen der Schachttür ebenso die Schließkraft F2 überwunden werden muss.The closing force F2 caused by the shaft door closing means 3 acts uninterruptedly on the shaft door, so that the opening force F2 must also be overcome to open the shaft door.

Zum Öffnen der Schachttür wird zunächst die Kabinentür mit der Schachttür mittels eines nicht abgebildeten Koppelungsmittels gekoppelt. Die Koppelung kann beispielsweise mittels eines Türschwerts erfolgen. Das Türschwert stellt beim Anfahren der Kabinentürvorrichtung zum entsprechenden Schacht mit der Schachttürvorrichtung eine mechanische Wirkverbindung her, so dass durch die Kabinentürvorrichtung Kräfte auf die Schachttürvorrichtung übertragen werden können. Insbesondere wird beim Koppeln der Kabinentürvorrichtung mit der Schachttürvorrichtung die Kabinentür mit der Schachttür mittels des Kopplungsmittels gekoppelt. Wird folglich die Kabinentür geöffnet, so wird durch das Kopplungsmittel ebenso eine Kraft auf die Schachttür übertragen, so dass ebenso die Schachttür geöffnet wird. Der Elektromotor 9 der Kabinentürvorrichtung sorgt somit ebenso für das Öffnen der Schachttür.To open the landing door, the car door is first coupled to the landing door by means of a coupling means, not shown. The coupling can be done for example by means of a door sword. The door sash makes when starting the car door device to the corresponding shaft with the shaft door device a mechanical operative connection, so that forces can be transmitted to the shaft door device by the car door device. In particular, when the car door device is coupled to the landing door device, the car door is coupled to the landing door by means of the coupling means. Consequently, when the car door is opened, a force is also transmitted to the shaft door by the coupling means, so that the shaft door is opened as well. The electric motor 9 of the car door device thus also ensures the opening of the shaft door.

Zum Öffnen der Schachttür muss insbesondere die durch das Schachttürschließmittel 3 hervorgerufene Schließkraft F2 überwunden werden.To open the shaft door in particular caused by the shaft door closing means 3 closing force F2 must be overcome.

Zur Minimierung der für das Öffnen der Kabinentür und Schachttür am Elektromotor 9 aufzubringenden Last umfasst die Kabinentürvorrichtung ferner ein Kompensationsmittel 5, ein erstes Seil 13, zwei Umlenkrollen 1 und ein erstes Befestigungsmittel 12. Im gekoppelten Zustand steht das Kompensationsmittel 5 mit der Schachttür derart in Wirkverbindung, dass während des Öffnungsvorgangs der Schachttür 8 die auf die Schachttür wirkenden Schließkraft F2 durch das Kompensationsmittel 5 kompensiert wird.To minimize the load to be applied to the electric motor 9 for opening the car door and shaft door, the car door device further comprises a compensating means 5 The first cable 13, two pulleys 1 and a first attachment means 12. In the coupled state, the compensation means 5 is in operative connection with the shaft door, that during the opening operation of the shaft door 8 acting on the shaft door closing force F2 is compensated by the compensation means 5.

Hierfür ist das Kompensationsmittel 5, welches als ein Gewicht ausgebildet ist, über das erste Seil 13 mit dem Riemen 6 verbunden. Das erste Seil 13 ist mit dem ersten Ende mit dem Kompensationsmittel 5 verbunden und mit dem anderen Ende mittels eines ersten Befestigungselements 12 mit dem Riemen 6 verbunden. Das erste Seil 13 wird über zwei Umlenkrollen 1 geführt, so dass eine gezielte Kraftübertragung des Kompensationsmittels 5 auf den Riemen 6 und somit auf die Kabinentür erfolgen kann.For this purpose, the compensation means 5, which is designed as a weight, connected via the first cable 13 to the belt 6. The first cable 13 is connected to the first end with the compensation means 5 and connected to the other end by means of a first fastener 12 with the belt 6. The first cable 13 is guided over two pulleys 1, so that a targeted power transmission of the compensation means 5 can be done on the belt 6 and thus on the car door.

Das Kompensationsmittel 5 übt somit eine Kraft F1 auf den Riemen 6 aus. Dadurch, dass das Befestigungsmittel 12 kurz vor einer Umlenkrolle 1 platziert ist, kann die durch das Kompensationsmittel 5 erzeugt Kraft F1 dafür sorgen, dass im geschlossenen Zustand der Kabinentür beispielsweise bei einem Stromausfall die Kabinentür mit der Kraft F1 zugehalten wird, so dass ein versehentliches Öffnen der Kabinentür verhindert werden kann.The compensation means 5 thus exerts a force F1 on the belt 6. Characterized in that the fastening means 12 is placed shortly before a deflection roller 1, the force F1 generated by the compensation means 5 ensure that in the closed state of the car door, for example in the event of a power failure, the car door is locked with the force F1, so that accidental opening the cabin door can be prevented.

Im vorliegenden Ausführungsbeispiel ist die durch das Kompensationsmittel 5 am Riemen 6 erzeugte Kraft F1 gleich der durch das Schachttürschließmittel 3 erzeugten Schließkraft F2. Die Kraft F2 kann aber ebenso größer oder kleiner der Schließkraft F1 sein.In the present embodiment, the force F1 generated by the compensating means 5 on the belt 6 is equal to the closing force F2 generated by the shaft door closing means 3. However, the force F2 can also be greater or smaller than the closing force F1.

Die Koppelung der Kabinentür mit der Schachttür ist vorzugsweise derart ausgebildet, dass die zur Öffnung der Schachttür erforderliche Kraftübertragung von der Kabinentür auf die Schachtür erst dann erfolgt, wenn das erste Befestigungsmittel 12 auf dem Riemen 6 derart positioniert ist, dass die Kraft F1 unterstützend zum Elektromotor 9 wirkt. Dies ist insbesondere der Zeitpunkt, ab dem die vom Kompensationsmittel 5 am Riemen 6 erzeugte Kraft F1 zumindest teilweise in die Bewegungsrichtung des ersten Befestigungsmittels 12 wirkt.The coupling of the car door with the shaft door is preferably designed such that the force required to open the shaft door from the car door to the shaft door occurs only when the first fastening means 12 is positioned on the belt 6 such that the force F1 supporting the electric motor 9 acts. This is in particular, the time from which the force F1 generated by the compensating means 5 on the belt 6 acts at least partially in the direction of movement of the first fastening means 12.

Der Elektromotor 9 muss somit zum Öffnen der Kabinentür zunächst die Kraft F1 aufbringen. Nachdem das erste Befestigungsmittel 12 den Scheitelpunkt der Rolle 1 passiert hat unterstütz das Kompensationsmittel 5 den Öffnungsvorgang der Kabinentür. Da ab diesem Zeitpunkt die mechanische Kraftübertragung zwischen der Kabinentür und der Schachttür mittels des Koppelungsmittels erfolgt, kann mittels des Kompensationsmittels 5 die durch das Schachtürschließmittel 3 erzeugte Schließkraft F2 kompensiert werden. Da die am Riemen 6 erzeugte Kraft F1 des Kompensationsmittels 5 gleich der an der Schachttür 8 wirkenden Schließkraft F2 ist kann der Kraftaufwand zum Öffnen der Kabinentür und/oder Schachttür erheblich verbessert werden. Der Energieverbrauch des Elektromotors und der der Steuerung kann erheblich minimiert werden. Ein schnelles Öffnen der Türen ist somit mit einfacheren Mitteln (z.B. kleinere und kostengünstiger Steuerungen) möglich.The electric motor 9 must therefore first apply the force F1 to open the car door. After the first attachment means 12 has passed the apex of the roller 1, the compensation means 5 supports the opening operation of the car door. Since the mechanical power transmission between the car door and the landing door by means of the coupling means takes place from this point in time, the closing force F2 generated by the shaft door closing means 3 can be compensated by means of the compensating means 5. Since the force F1 of the compensating means 5 generated on the belt 6 is equal to the closing force F2 acting on the shaft door 8, the force required to open the car door and / or shaft door can be considerably improved. The energy consumption of the electric motor and the controller can be significantly minimized. Quick opening of the doors is thus possible with simpler means (e.g., smaller and less expensive controls).

Das Kompensationsmittel 5 sorgt somit insbesondere für eine Minimierung der vom Elektromotor 9 aufzubringenden Leistung für den Öffnungsvorgang der Kabinentür und der Schachttür. Ferner erfolgt eine Krafteinsparung für das Halten einer geöffneten Schacht und/oder Kabinentür in ihrer geöffneten Stellung sowie für das Halten der geschlossenen Kabinentür in ihrer geschlossenen Stellung. Das Aufzugsystem kann somit im Vergleich zu herkömmlichen Aufzugsystemen mit einem günstigeren und kompakteren Elektromotor 9 sowie mit günstigeren und kompakteren Türsteuergeräten betrieben werden.The compensation means 5 thus ensures, in particular, a minimization of the power to be applied by the electric motor 9 for the opening operation of the car door and the shaft door. Furthermore, there is a saving in power for holding an open shaft and / or cabin door in its open position and for holding the closed cabin door in its closed position. The elevator system can thus be operated in comparison to conventional elevator systems with a cheaper and more compact electric motor 9 and with cheaper and more compact door control units.

FIG 2 zeigt eine schematische Darstellung des Aufzugsystems aus FIG 1, bei welchem die Kabinentür teilweise geöffnet ist und die Schachttür geschlossen ist. Die Türflügel 4 der Kabinentür sind folglich bereits einen Spalt geöffnet. Das erste Befestigungsmittel 12 befindet sich in FIG 2 am Scheitelpunkt der Umlenkrolle 1. Von nun an wirkt die durch das Kompensationsmittel 5 am Riemen erzeugte Kraft F1 unterstützend zu der durch den Elektromotor am Riemen 6 zum Öffnen zu erzeugenden Kraft. Da die am Riemen 6 erzeugte Kraft F1 des Kompensationsmittels 5 gleich der durch das Schachttürschließmittel 3 erzeugten Schließkraft F2 ist wird die durch das Schachttürschließmittel 3 erzeugte Schließkraft kompensiert. Die Kraftübertragung zwischen der Kabinentür und Schachttür erfolgt vorzugsweise während des Öffnungsvorgangs der Kabinentür ab dem Überschreiten des Scheitelpunktes der Rolle 1 durch das erste Befestigungsmittel 12. Ab diesem Zeitpunkt unterstützt das Kompensationsmittel 5 den Öffnungsvorgang der Kabinentür und der Schachttüre, so dass ein schnelles Öffnen der Kabinentür und insbesondere der Schachttür mittels eines kompakteren Elektromotors und Türsteuergeräts erfolgen kann. Es ist ebenso denkbar, dass die durch das Kompensationsmittel 5 aufgebrachte Kraft F1 größer oder kleiner der Schließkraft F2 ist. FIG. 2 shows a schematic representation of the elevator system FIG. 1 in which the car door is partially open and the shaft door is closed. The door leaves 4 of the car door are therefore already opened a gap. The first attachment means 12 is located in FIG. 2 at the apex the pulley 1. From now on, the force F1 produced by the compensating means 5 on the belt acts to assist the force to be generated by the electric motor on the belt 6 for opening. Since the force F1 of the compensating means 5 generated on the belt 6 is equal to the closing force F2 generated by the shaft door closing means 3, the closing force generated by the shaft door closing means 3 is compensated. The power transmission between the car door and shaft door preferably takes place during the opening process of the car door from the crossing of the apex of the roller 1 by the first fastening means 12. From this point on, the compensation means 5 supports the opening operation of the car door and the shaft door, so that a quick opening of the car door and in particular the shaft door can be made by means of a more compact electric motor and door control device. It is also conceivable that the force F1 applied by the compensating means 5 is greater or smaller than the closing force F2.

FIG 3 zeigt eine schematische Darstellung des Aufzugsystems aus FIG 1 und FIG 2, bei welchem die Kabinentür und die Schachttür teilweise geöffnet sind. Es ist ersichtlich, dass die durch das Kompensationsmittel 5 auf dem Riemen 6 erzeugte Kraft F1 unterstützend für den Elektromotor 9 wirkt. Die Kraft F1 wirkt bezüglich der zum Öffnen der Kabinentür und Schachtür aufzubringenden Kraft in die entgegengesetzte Richtung wie die durch das Schachttürschließmittel 3 erzeugte Schließkraft F2, so dass die zum Öffnen der beiden Türen aufzubringenden Kräfte reduziert werden. Mittels des Kompensationsmittels 5 kann somit eine Kompensation der Schließkraft F2 erfolgen, so dass ein verbessertes Aufzugsystem vorliegt. FIG. 3 shows a schematic representation of the elevator system FIG. 1 and FIG. 2 in which the car door and the landing door are partially open. It can be seen that the force F1 generated on the belt 6 by the compensating means 5 acts to assist the electric motor 9. The force F1 acts in the opposite direction to the force to be applied to open the car door and shaft door as the closing force F2 generated by the shaft door closing means 3, so that the forces to be applied to open the two doors are reduced. By means of the compensation means 5, a compensation of the closing force F2 can thus take place, so that an improved elevator system is present.

Das Kompensationsmittel 5 und Schachttürschließmittel 3 ist im vorliegenden Ausführungsbeispiel als Gewicht ausgebildet. Es ist ebenso denkbar, dass das das Kompensationsmittel 5 und Schachttürschließmittel 3 durch eine Feder oder einen anderen Energiespeicher ausgebildet ist. Ebenso sind andere Konstruktive Ausführungsformen, bei welchen durch ein Kompensationsmittel während des Öffnungsvorgangs der Schiebetür die durch das Schachttürschließmittel 3 erzeugte Schließkraft F2 verringert wird denkbar. Hierbei kann insbesondere die Anzahl der Rollen 1 variieren, der Riemen 6,11 oder der Seilzug durch ein alternatives Kraftübertragungsmittel ersetzt werden, die Positionierung des Kompensationsmittels 5 und/oder Elektromotors 9 variieren (z.B. an der Schachttürvorrichtung), die mechanische Wirkverbindung zwischen dem Schachttürschließmittel 3 und der Schachttür variieren (z.B. erfolgt die Kraftübertragung über den Riemen 11 der Schachttürvorrichtung), etc..The compensation means 5 and shaft door closing means 3 is formed in the present embodiment as a weight. It is also conceivable that the compensation means 5 and shaft door closing means 3 is formed by a spring or other energy storage. Likewise, other constructive embodiments in which by a compensation means During the opening operation of the sliding door, the closing force F2 generated by the shaft door closing means 3 is conceivable conceivable. In this case, in particular, the number of rollers 1 vary, the belt 6,11 or the cable are replaced by an alternative power transmission means, the positioning of the compensation means 5 and / or electric motor 9 vary (eg on the shaft door device), the mechanical operative connection between the shaft door closing means third and the landing door will vary (eg, the power transmission will occur through the belt 11 of the landing door device), etc.

Claims (9)

  1. Elevator system comprising a shaft door device and a cab door device, wherein the shaft door device comprises a shaft door (8) and a shaft door closing means (3), and the cab door device comprises a cab door, wherein the shaft door closing means (3) is operatively connected to the shaft door such that a closing force F2 is exerted onto the shaft door,
    wherein the elevator system further comprises a compensating means (5) which can be operatively connected to the shaft door such that the compensating means (5) compensates for at least a part of the closing force F2 acting on the shaft door at least in phases during the opening process of the shaft door, and the cab door device comprises the compensating means (5), characterised in that the compensating means (5), in the closed state of the cab door, exerts a locking force on the cab door so that the cab door is locked.
  2. Elevator system according to claim 1, wherein the compensating means (5) and/or the shaft door closing means (3) is an energy storing system.
  3. Elevator system according to one of the preceding claims, wherein only when the cab door device is in the state of being coupled to the shaft door device can at least a part of the closing force F2 acting on the shaft door be compensated for by the compensating means (5).
  4. Elevator system according to one of the preceding claims, wherein the force exerted onto the shaft door device by the compensating means (3) is greater than or equal to the closing force F2 at least intermittently during the opening process of the shaft door.
  5. Elevator system according to one of the preceding claims, wherein the cab door device comprises an electric motor (9) which, during the opening process of the cab door, is operatively connected to the cab door and to the shaft door coupled to the cab door such that both doors can be opened by the electric motor (9).
  6. Elevator system according to one of claims 1 to 4, wherein the shaft door device comprises an electric motor (9) which, during the opening process of the shaft door, is operatively connected to the shaft door and to the cab door coupled to the shaft door such that both doors can be opened by the electric motor (9).
  7. Elevator system according to one of the preceding claims, wherein the shaft door closing means (3) exerts a closing force F2 onto the shaft door, so that the opened shaft door is closed by the closing force F2 when the shaft door device is in the state of being not coupled to the cab door device.
  8. Shaft door device for an elevator system comprising a cab door device, which comprises a cab door, wherein the shaft door device comprises the shaft door, a shaft door closing means (3) and a compensating means (5) and wherein the compensating means (5) can be operatively connected to the shaft door such that at least a part of the closing force F2 acting on the shaft door is compensated for by the compensating means at least in phases during the opening process of the shaft door, characterised in that the force exerted onto the shaft door by the compensating means (5) is greater than or equal to the closing force F2 at least intermittently during the opening process of the shaft door.
  9. Cab door device for an elevator system according to one of claims 1 to 7, wherein the cab door device comprises the cab door and the compensating means (5) and wherein at least a part of the closing force F2 acting on the shaft door can be compensated for by the compensating means (5) at least in phases during the opening process of the shaft door of the elevator system, characterised in that the compensating means (5), in the closed state of the cab door, exerts a locking force on the cab door so that the cab door is locked.
EP12728066.7A 2011-06-28 2012-06-14 Elevator system Not-in-force EP2709941B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011078164A DE102011078164A1 (en) 2011-06-28 2011-06-28 elevator system
PCT/EP2012/061271 WO2013000718A1 (en) 2011-06-28 2012-06-14 Elevator system

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EP2709941A1 EP2709941A1 (en) 2014-03-26
EP2709941B1 true EP2709941B1 (en) 2016-02-10

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EP12728066.7A Not-in-force EP2709941B1 (en) 2011-06-28 2012-06-14 Elevator system

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US (1) US9394141B2 (en)
EP (1) EP2709941B1 (en)
CN (1) CN103635412B (en)
DE (1) DE102011078164A1 (en)
ES (1) ES2564487T3 (en)
WO (1) WO2013000718A1 (en)

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US20140138188A1 (en) 2014-05-22
ES2564487T3 (en) 2016-03-23
CN103635412A (en) 2014-03-12
WO2013000718A1 (en) 2013-01-03
EP2709941A1 (en) 2014-03-26
DE102011078164A1 (en) 2013-01-03
CN103635412B (en) 2015-12-09
US9394141B2 (en) 2016-07-19

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