EP2220317A1 - Drive device for entrance and exit devices - Google Patents

Drive device for entrance and exit devices

Info

Publication number
EP2220317A1
EP2220317A1 EP08847347A EP08847347A EP2220317A1 EP 2220317 A1 EP2220317 A1 EP 2220317A1 EP 08847347 A EP08847347 A EP 08847347A EP 08847347 A EP08847347 A EP 08847347A EP 2220317 A1 EP2220317 A1 EP 2220317A1
Authority
EP
European Patent Office
Prior art keywords
drive
drive device
reduction gear
drive motor
output element
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.)
Granted
Application number
EP08847347A
Other languages
German (de)
French (fr)
Other versions
EP2220317B1 (en
Inventor
Andreas Pellegrini
Andreas Schunke
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.)
Gebrueder Bode GmbH and Co KG
Original Assignee
Gebrueder Bode GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gebrueder Bode GmbH and Co KG filed Critical Gebrueder Bode GmbH and Co KG
Priority to PL08847347T priority Critical patent/PL2220317T3/en
Publication of EP2220317A1 publication Critical patent/EP2220317A1/en
Application granted granted Critical
Publication of EP2220317B1 publication Critical patent/EP2220317B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D23/00—Construction of steps for railway vehicles
    • B61D23/02—Folding steps for railway vehicles, e.g. hand or mechanically actuated
    • B61D23/025—Folding steps for railway vehicles, e.g. hand or mechanically actuated electrically or fluid actuated
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/19—Gearing
    • Y10T74/19637—Gearing with brake means for gearing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/19—Gearing
    • Y10T74/19642—Directly cooperating gears
    • Y10T74/19647—Parallel axes or shafts

Definitions

  • the invention relates to a drive device for entry / exit devices for public transport vehicles with a drive having an electric drive motor and a reduction gear, wherein an output element of the drive motor coupled to an input element of the reduction gear and an output element of the reduction gear with the entry / exit devices are.
  • Such entry / exit devices are known in particular passenger doors, access ramps, sliding steps and the like on vehicles of public passenger transport and in itself.
  • a problem that arises is that in an emergency, a passenger door must be opened manually or a Schiebetritt or entry ramp to be manually placed in a particular position, and this is complicated by the fact that the drive device because of the large reduction ratio of the transmission such a strong self-locking owns that a manual movement is extremely difficult. Therefore, in an emergency often decoupling of the transmission is required.
  • the necessary facilities are associated with the corresponding effort in the production and installation and at increased costs.
  • conventional drive device require considerable space, which is problematic especially with limited space.
  • the invention has the object of providing a drive device with the features specified in such a way that in an emergency manual operation is possible.
  • the drive device should be made compact and take up little space.
  • the production and installation should be possible at low cost
  • a basic idea of the invention is to provide a non-self-locking drive or a non-self-locking reduction gear and to provide the blockade not by the drive or the transmission, but by a blocking device.
  • a manual operation of the entry / exit devices is always guaranteed due to the low self-locking in an emergency, it must be repealed to only the blocking effect of the blocking device. This leads to a high degree of security.
  • an additional blockage of the drive is absolutely necessary. This can be done by an additional braking device which causes a mechanical locking of the drive in the non-energized state.
  • This brake can be unlocked manually and manually by hand in order to decouple the drive and thus enable electrical and / or manual operation.
  • the manual unlocking of the brake can be done via a known spring-applied brake with manual release, the manual release of the brake can be used for a mechanical emergency release.
  • Such brakes are known by the term "low-active brake.”
  • any other suitable blocking device can be used, for example, the brake can act on the output shaft of the output motor by means of spring force and be electromagnetically releasable.
  • the invention can even be completely dispensed with a brake as a blocking device when the drive motor can be short-circuited. About the occurring short-circuit torque of the drive motor so the door can be kept locked and a movement of the door can be prevented. This function is always guaranteed, even when the vehicle is stationary and not in operation.
  • the connection between the two contacts of the motor is preferably interrupted by a mechanical switch, the short-circuit torque is canceled and the door can be easily opened by hand without any problems.
  • the self-locking of the door is thus canceled by simply disconnecting the plus or minus line of the engine.
  • the Locking is always present when the motor is de-energized, that is, a power failure has no effect on it. In the event of a power failure or failed electronics, the emergency release can always be carried out by pressing the short-circuit switch. It is possible to lock the entry / exit device, in particular a door, after interrupting the short circuit by switching back the switch.
  • the short-circuit switch according to the invention preferably operates directly without auxiliary power and thus also when the vehicle is stopped or when power is interrupted.
  • the short-circuit switch can be placed at any ergonomically favorable location, eliminating the laying of usual Bowden cables or pneumatic lines.
  • a combination of a lock based on a short circuit and the use of a brake or mechanical locking is possible. This may be the case in particular if the short-circuit torque is insufficient to securely lock the door.
  • the switchable short circuit can be advantageously ensured by special windings of the motor windings, which are provided exclusively for the production of the short circuit. By special windings and an increased braking effect or Verrieglungs Bark can be achieved.
  • the output element of the reduction gear can be connected to a lifting rotary unit, a known per se component, which is used in particular for exterior swing doors. About the door stroke doing a positive connection of the door leaf with the door portal via locking wedges.
  • the entire drive device according to the invention is advantageously constructed as a compact drive, in which the electric drive motor and the lower Reduction gear are arranged axially behind one another within a tubular housing.
  • This slim design of the drive makes it possible to integrate it optically appealing, for example, at each point of the likewise tubular door pivot. It is thus easily possible to place the drive depending on the vehicle conditions and connection options, which is created at the usual place for door drives, eg in the roof area, space for other components.
  • a rotation path detection can furthermore be provided. This takes place advantageously via an incremental or an absolute encoder directly on the motor shaft of the drive motor or an output shaft for the entry / exit device. If the drive device is used, for example, for a passenger door, the rotation path detection via output shaft for a Drehklalenanitati.
  • the detection of the rotary path via the output shaft has the advantage that any material fractures can be detected within the drive and reported at an unwanted door opening.
  • the sole FIGURE shows a drive device 20 constructed as a compact drive, for example for a passenger door, in which an electric drive motor 24 and a reduction gear 26, shown as a three-part planetary gear, are arranged behind one another within a slim, tubular housing 22 in the axial direction.
  • the drive motor 24 is adjoined by a brake 28, which is likewise accommodated within the housing 22 and can be embodied as a "low-active brake" which engages under spring force and can be released electromagnetically and mechanically, and electrical connections 30 of the drive motor 24 are also shown.
  • the reduction gear 26 is not designed to be self-locking.
  • the drive device 20 is preferably housed in a rotary column, not shown.
  • An unrecognizable output element of the drive motor 24 is connected to an e- incidentally unrecognizable input element of the reduction gear 26, the output element 32 is connected to an input element or an actuator of an input / output device, not shown.
  • the output element 32 can be connected, for example, to a known lifting / rotating unit whose output element is connected to the actuating devices for the entry / exit device, for example a passenger door.
  • a device 34 is arranged on the output element 32 of the reduction gear 26, by means of which the rotational travel of the drive unit (20).
  • This device for rotary path detection can be designed, for example, as an absolute encoder, but also as an incremental encoder.
  • a torque support device 40 for coupling the drive device 20 which is connected to components not shown with the vehicle.
  • All electrical connection elements 30 and mechanical connection elements 31 (Bowden cable for manual unlocking of the brake) are arranged within the housing 22.
  • a sensor e.g. a proximity switch, be arranged for Huber charged the lifting rotary unit.
  • the torque generated by the drive motor 24 is transmitted via the reduction gear 26 to the output member 32.
  • only the brake 28 must be solved, after which the manual operation of the passenger door due to the lack of self-locking of the reduction gear 26 is readily possible.
  • a short-circuit device may be provided for locking, which short-circuits the motor windings of the drive motor 24 for locking.
  • the invention is not limited to the exemplary embodiment described, but also encompasses further useful design options in the scope of the valid claims.
  • the drive device can also be advantageously used in conjunction with a so-called high-active brake.
  • a brake is also known under the term anchor brake and is active in the energized state and the door is fixed in this position.
  • the entrance door is provided with an external locking device to lock the entry at a longer parked vehicle. This can be done for example by a remote-controlled central locking lock.
  • the door can be locked by a delayed shutdown of the supply voltage without external locking. The brake will continue to be energized for this period.
  • Such a combination of the drive device described with a high-active brake has the great advantage that a mechanical emergency release, for example via Bowden cable is no longer required.
  • the emergency unlocking takes place via a normally closed contact in the armature control line for the brake.
  • the emergency release can be reset centrally or remotely using simple means.
  • the decentralized reset of the emergency release can be done, for example, via an external relay position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Braking Arrangements (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Gear Transmission (AREA)

Abstract

The invention relates to a drive device for entrance and exit devices for public transport vehicles, having a drive, the drive comprising an electric drive motor and a reduction gear, wherein a drive element of the drive motor is coupled to an input element of the reduction gear, and an output element of the reduction gear is coupled to the entrance/exit devices. The drive device is characterized in that it is constructed as a compact drive, wherein the electric drive motor and the reduction gear are arranged axially one behind the other inside a tube-shaped housing, it has a non-self-locking reduction gear, and has an additional locking device for locking the drive.

Description

Bezeichnung: Antriebsvorrichtung für Ein- und Ausstiegseinrichtungen Designation: Drive device for entry and exit devices
Die Erfindung betrifft eine Antriebsvorrichtung für Ein-/Ausstiegseinrichtungen für Fahrzeuge des öffentlichen Personenverkehrs mit einem Antrieb, der einen elektrischen Antriebsmotor und ein Untersetzungsgetriebe aufweist, wobei ein Abtriebselement des Antriebsmotors mit einem Eingangselement des Untersetzungsgetriebes und ein Ausgangselement des Untersetzungsgetriebes mit der Ein-/Ausstiegseinrichtungen gekoppelt sind.The invention relates to a drive device for entry / exit devices for public transport vehicles with a drive having an electric drive motor and a reduction gear, wherein an output element of the drive motor coupled to an input element of the reduction gear and an output element of the reduction gear with the entry / exit devices are.
Derartige Ein-/Ausstiegseinrichtungen sind insbesondere Fahrgasttüren, Einstiegsrampen, Schiebetritte und dergleichen an Fahrzeugen des öffentlichen Personenverkehrs und an sich bekannt. Ein auftretendes Problem besteht darin, dass im Notfall eine Fahrgasttür manuell geöffnet werden muss oder auch ein Schiebetritt oder eine Einstiegsrampe manuell in eine bestimmte Stellung gebracht werden soll, und dies dadurch erschwert wird, dass die Antriebsvorrichtung wegen des großen Untersetzungsverhältnisses des Getriebes eine so starke Selbsthemmung besitzt, dass eine manuelle Bewegung außerordentlich stark erschwert wird. Deshalb ist im Notfall oftmals eine Entkopplung des Getriebes erforderlich. Die hierzu notwenigen Einrichtungen sind mit entsprechendem Aufwand bei der Herstellung und Montage sowie mit erhöhten Kosten verbunden. Zusätzlich benötigen übliche Antriebsvorrichtung erheblichen Raum, was gerade bei begrenztem Raumangebot problematisch ist.Such entry / exit devices are known in particular passenger doors, access ramps, sliding steps and the like on vehicles of public passenger transport and in itself. A problem that arises is that in an emergency, a passenger door must be opened manually or a Schiebetritt or entry ramp to be manually placed in a particular position, and this is complicated by the fact that the drive device because of the large reduction ratio of the transmission such a strong self-locking owns that a manual movement is extremely difficult. Therefore, in an emergency often decoupling of the transmission is required. The necessary facilities are associated with the corresponding effort in the production and installation and at increased costs. In addition, conventional drive device require considerable space, which is problematic especially with limited space.
Der Erfindung liegt die Aufgabe zugrunde, eine Antriebsvorrichtung mit den eingangs angegebenen Merkmalen so auszubilden, dass im Notfall eine manuelle Betätigung möglich ist. Insbesondere soll die Antriebsvorrichtung kompakt aufgebaut sein und wenig Raum beanspruchen. Die Herstellung und die Installation soll kostengünstig möglich seinThe invention has the object of providing a drive device with the features specified in such a way that in an emergency manual operation is possible. In particular, the drive device should be made compact and take up little space. The production and installation should be possible at low cost
Diese Aufgabe wird erfindungsgemäß durch eine gattungsgemäß Antriebsvorrichtung gelöst, die gekennzeichnet ist durchThis object is achieved by a generic drive device, which is characterized by
- einen Aufbau als Kompaktantrieb, indem der elektrische Antriebsmotor und das Untersetzungsgetriebe axial hintereinander innerhalb eines rohrförmigen Gehäuses angeordnet sind,a compact drive structure in which the electric drive motor and the reduction gear are arranged axially one behind the other within a tubular housing,
- ein nicht selbsthemmendes Untersetzungsgetriebe, - eine zusätzliche Blockierungsvorrichtung zum Blockieren des Antriebs.a non-self-locking reduction gear, - An additional blocking device for blocking the drive.
Ein Grundgedanke der Erfindung besteht darin, einen nicht selbsthemmenden Antrieb bzw. ein nicht selbsthemmendes Untersetzungsgetriebe vorzusehen und die Blockade nicht durch den Antrieb bzw. das Getriebe, sondern durch eine Blockierungsvorrichtung vorzusehen. Eine manuelle Betätigung der Ein- /Ausstiegseinrichtungen ist aufgrund der geringen Selbsthemmung im Notfall stets gewährleistet, es muss dazu lediglich die Blockierungswirkung der Blockierungseinrichtung aufgehoben werden. Dies führt zu einem hohen Maß an Sicherheit.A basic idea of the invention is to provide a non-self-locking drive or a non-self-locking reduction gear and to provide the blockade not by the drive or the transmission, but by a blocking device. A manual operation of the entry / exit devices is always guaranteed due to the low self-locking in an emergency, it must be repealed to only the blocking effect of the blocking device. This leads to a high degree of security.
Da eine Selbsthemmung des Antriebs bzw. des Getriebes nicht gegeben ist, ist eine zusätzliche Blockade des Antriebs zwingend erforderlich. Diese kann durch eine zusätzliche Bremseinrichtung erfolgen, die im nichtbestromten Zustand eine mechanische Verriegelung des Antriebs bewirkt. Diese Bremse ist elektrisch und manuell von Hand entriegelbar, um den Antrieb zu entkoppeln und damit eine e- lektrische und/oder manuelle Bedienung zu ermöglichen. Die manuelle Entriegelung der Bremse kann über eine bekannte Federkraftbremse mit Handlüftung erfolgen, wobei die Handlüftung der Bremse für eine mechanische Notentriegelungseinrichtung genutzt werden kann. Derartige Bremsen sind unter dem Begriff „Low-Activ-Bremse" bekannt. Alternativ ist aber auch jede andere geeignete Blockierungsvorrichtung verwendbar. Die Bremse kann beispielsweise mittels Federkraft auf die Abtriebswelle des Abtriebsmotors wirken und elektromagnetisch lösbar sein.Since a self-locking of the drive or the transmission is not given, an additional blockage of the drive is absolutely necessary. This can be done by an additional braking device which causes a mechanical locking of the drive in the non-energized state. This brake can be unlocked manually and manually by hand in order to decouple the drive and thus enable electrical and / or manual operation. The manual unlocking of the brake can be done via a known spring-applied brake with manual release, the manual release of the brake can be used for a mechanical emergency release. Such brakes are known by the term "low-active brake." Alternatively, however, any other suitable blocking device can be used, for example, the brake can act on the output shaft of the output motor by means of spring force and be electromagnetically releasable.
Erfindungsgemäß kann auf eine Bremse als Blockierungseinrichtung sogar vollständig verzichtet werden, wenn der Antriebsmotor kurzgeschlossen werden kann. Über das auftretende Kurzschlussmoment des Antriebsmotors kann so die Tür verriegelt gehalten und ein Bewegen der Tür verhindert werden. Diese Funktion ist immer gewährleistet, auch wenn das Fahrzeug steht und nicht in Betrieb ist. Wird die Notentriegelung betätigt, wird vorzugsweise über einen mechanischen Schalter die Verbindung zwischen den beiden Kontakten des Motors unterbrochen, das Kurzschlussmoment wird aufgehoben und die Tür kann ohne Probleme leicht von Hand geöffnet werden. Die Selbstverriegelung der Tür wird also durch einfaches Trennen der Plus- oder Minusleitung des Motors aufgehoben. Die Verriegelung ist im stromlosen Zustand des Motors immer vorhanden, das heißt, ein Stromausfall hat keinen ändernden Einfluss auf diese. Bei Stromausfall oder ausgefallener Elektronik kann die Notentriegelung stets durch Betätigung des Kurzschluss-Schalters erfolgen. Es ist möglich, die Ein-/Ausstiegseinrichtung, insbesondere eine Tür, nach Unterbrechung des Kurzschlusses durch Zurückschalten des Schalters wieder zu verriegeln.According to the invention can even be completely dispensed with a brake as a blocking device when the drive motor can be short-circuited. About the occurring short-circuit torque of the drive motor so the door can be kept locked and a movement of the door can be prevented. This function is always guaranteed, even when the vehicle is stationary and not in operation. If the emergency release is actuated, the connection between the two contacts of the motor is preferably interrupted by a mechanical switch, the short-circuit torque is canceled and the door can be easily opened by hand without any problems. The self-locking of the door is thus canceled by simply disconnecting the plus or minus line of the engine. The Locking is always present when the motor is de-energized, that is, a power failure has no effect on it. In the event of a power failure or failed electronics, the emergency release can always be carried out by pressing the short-circuit switch. It is possible to lock the entry / exit device, in particular a door, after interrupting the short circuit by switching back the switch.
Der Kurzschlussschalter funktioniert erfindungsgemäß vorzugsweise unmittelbar ohne Hilfsenergie und damit auch bei stillgelegtem Fahrzeug oder bei Stromunterbrechung.The short-circuit switch according to the invention preferably operates directly without auxiliary power and thus also when the vehicle is stopped or when power is interrupted.
Die Vorteile der Verwendung eines solchen Kurzschluss-Schalters liegen zum einen in der Reduzierung der notwendigen Bauteile für die Notentriegelung, zum andern kann der Kurzschluss-Schalter an beliebiger ergonomisch günstiger Stelle platziert werden, das Verlegen von sonst üblichen Bowdenzügen oder Pneumatikleitungen entfällt.The advantages of using such a short-circuit switch are on the one hand in the reduction of the necessary components for the emergency release, on the other hand, the short-circuit switch can be placed at any ergonomically favorable location, eliminating the laying of usual Bowden cables or pneumatic lines.
Erfindungsgemäß ist auch eine Kombination einer Verriegelung auf Basis eines Kurzschlusses und die Verwendung einer Bremse oder mechanischen Verriegelung möglich. Dies kann insbesondere dann der Fall sein, wenn das Kurzschlussmoment nicht ausreicht, um die Tür sicher zu verriegeln.According to the invention, a combination of a lock based on a short circuit and the use of a brake or mechanical locking is possible. This may be the case in particular if the short-circuit torque is insufficient to securely lock the door.
Der schaltbare Kurschluss kann vorteilhafterweise durch Sonderwicklungen der Motorwicklungen gewährleistet werden, die ausschließlich zur Herstellung des Kurzschlusses vorgesehen sind. Durch Sonderwicklungen kann auch eine erhöhte Bremswirkung bzw. Verrieglungswirkung erreicht werden.The switchable short circuit can be advantageously ensured by special windings of the motor windings, which are provided exclusively for the production of the short circuit. By special windings and an increased braking effect or Verrieglungswirkung can be achieved.
Als Getriebe ist ein Planetengetriebe gut geeignet. .As a gear planetary gear is well suited. ,
Weiterhin kann das Ausgangselement des Untersetzungsgetriebes mit einer Hub- Dreheinheit verbunden sein, eine an sich bekannte Komponente, die insbesondere bei Außenschwenktüren eingesetzt wird. Über den Türhub erfolgt dabei eine formschlüssige Verbindung des Türblattes mit dem Türportal über Schließkeile.Furthermore, the output element of the reduction gear can be connected to a lifting rotary unit, a known per se component, which is used in particular for exterior swing doors. About the door stroke doing a positive connection of the door leaf with the door portal via locking wedges.
Die gesamte erfindungsgemäße Antriebsvorrichtung ist vorteilhafterweise als Kompaktantrieb aufgebaut, in dem der elektrische Antriebsmotor und das Unter- Setzungsgetriebe axial hintereinander innerhalb eines rohrförmigen Gehäuses angeordnet sind. Diese schlanke Bauform des Antriebs erlaubt es, ihn optisch ansprechend z.B. an jeder Stelle der ebenso rohrförmig ausgeführten Türdrehsäule zu integrieren. Es ist somit einfach möglich, den Antrieb je nach Fahrzeuggegebenheiten und Anschlussmöglichkeiten zu platzieren, wodurch am bisher üblichen Platz für Türantriebe, z.B. im Dachbereich, Bauraum für andere Komponenten geschaffen wird.The entire drive device according to the invention is advantageously constructed as a compact drive, in which the electric drive motor and the lower Reduction gear are arranged axially behind one another within a tubular housing. This slim design of the drive makes it possible to integrate it optically appealing, for example, at each point of the likewise tubular door pivot. It is thus easily possible to place the drive depending on the vehicle conditions and connection options, which is created at the usual place for door drives, eg in the roof area, space for other components.
Erfindungsgemäß kann weiterhin eine Drehwegerfassung vorgesehen sein. Diese erfolgt vorteilhafterweise über einen Inkremental- oder einen Absolutwertgeber direkt auf der Motorwelle des Antriebsmotors oder einer Abtriebswelle für die Ein-/Ausstiegseinrichtung. Wird die Antriebsvorrichtung beispielsweise für eine Fahrgasttür verwendet, kann die Drehwegerfassung über Abtriebswelle für eine Drehsäulenanbindung erfolgen.According to the invention, a rotation path detection can furthermore be provided. This takes place advantageously via an incremental or an absolute encoder directly on the motor shaft of the drive motor or an output shaft for the entry / exit device. If the drive device is used, for example, for a passenger door, the rotation path detection via output shaft for a Drehsäulenanbindung.
Die Erfassung des Drehweges über die Abtriebswelle hat den Vorteil, dass eventuelle Materialbrüche innerhalb des Antriebs erkannt und bei einer ungewollten Türöffnung gemeldet werden können.The detection of the rotary path via the output shaft has the advantage that any material fractures can be detected within the drive and reported at an unwanted door opening.
Im Folgenden werden zwei Ausführungsbeispiele für eine Antriebsvorrichtung nach der Erfindung anhand der beigefügten Zeichnung näher erläutert.In the following two embodiments of a drive device according to the invention will be explained in more detail with reference to the accompanying drawings.
Die einzige Figur zeigt eine als Kompaktantrieb aufgebaute Antriebsvorrichtung 20, beispielsweise für eine Fahrgasttür, bei der innerhalb eines schlanken, rohrförmig ausgebildeten Gehäuses 22 in axialer Richtung hintereinander ein elektrischer Antriebsmotor 24 und ein Untersetzungsgetriebe 26, dargestellt als dreiteiliges Planetengetriebe, angeordnet sind. An den Antriebsmotor 24 schließt sich eine Bremse 28 an, die ebenfalls innerhalb des Gehäuses 22 untergebracht ist und als unter Federkraft einrückende und elektromagnetisch und mechanisch lösbare „Low- Active- Bremse" ausgeführt sein kann. Weiterhin sind elektrische Anschlüsse 30 des Antriebsmotors 24 gezeigt. Das Untersetzungsgetriebe 26 ist nicht selbsthemmend ausgeführt.The sole FIGURE shows a drive device 20 constructed as a compact drive, for example for a passenger door, in which an electric drive motor 24 and a reduction gear 26, shown as a three-part planetary gear, are arranged behind one another within a slim, tubular housing 22 in the axial direction. The drive motor 24 is adjoined by a brake 28, which is likewise accommodated within the housing 22 and can be embodied as a "low-active brake" which engages under spring force and can be released electromagnetically and mechanically, and electrical connections 30 of the drive motor 24 are also shown. The reduction gear 26 is not designed to be self-locking.
Die Antriebsvorrichtung 20 ist vorzugsweise in einer nicht dargestellten Drehsäule untergebracht. Ein nicht erkennbares Abtriebselement des Antriebsmotors 24 ist mit einem e- benfalls nicht erkennbaren Eingangselement des Untersetzungsgetriebes 26 verbunden, dessen Ausgangselement 32 mit einem Eingangselement oder einer Betätigungseinrichtung einer nicht gezeigten Ein-/Ausstiegseinrichtung verbunden ist. Das Ausgangselement 32 kann z.B. an eine bekannte Hub-Dreheinheit angeschlossen sein, deren Ausgangselement mit den Betätigungsvorrichtungen für die Ein-/Ausstiegseinrichtung, beispielsweise einer Fahrgasttür verbunden ist.The drive device 20 is preferably housed in a rotary column, not shown. An unrecognizable output element of the drive motor 24 is connected to an e- incidentally unrecognizable input element of the reduction gear 26, the output element 32 is connected to an input element or an actuator of an input / output device, not shown. The output element 32 can be connected, for example, to a known lifting / rotating unit whose output element is connected to the actuating devices for the entry / exit device, for example a passenger door.
Weiterhin ist am Ausgangselement 32 des Untersetzungsgetriebes 26 eine Vorrichtung 34 angeordnet, mittels der der Drehweg der Antriebseinheit (20). Diese Vorrichtung zur Drehwegerfassung kann beispielsweise als Absolutwertgeber, aber auch als Inkrementalgeber ausgebildet sein.Furthermore, a device 34 is arranged on the output element 32 of the reduction gear 26, by means of which the rotational travel of the drive unit (20). This device for rotary path detection can be designed, for example, as an absolute encoder, but also as an incremental encoder.
Weiterhin ist eine Momentabstützungsvorrichtung 40 zur Kopplung der Antriebsvorrichtung 20 welche mit nicht dargestellten Komponenten mit dem Fahrzeug verbunden ist.Furthermore, a torque support device 40 for coupling the drive device 20 which is connected to components not shown with the vehicle.
Sämtliche elektrische Anschlusselemente 30 und mechanische Anschlusselemente 31 (Bowdenzug zur manuellen Entriegelung der Bremse) sind innerhalb des Gehäuses 22 angeordnet.All electrical connection elements 30 and mechanical connection elements 31 (Bowden cable for manual unlocking of the brake) are arranged within the housing 22.
Im Bereich des Ausgangselementes 32 kann weiterhin ein Sensor, z.B. ein Näherungsschalter, zur Huberfassung der Hub-Dreheinheit angeordnet sein.In the region of the output element 32, a sensor, e.g. a proximity switch, be arranged for Huberfassung the lifting rotary unit.
Das vom Antriebsmotor 24 erzeugte Drehmoment wird über das Untersetzungsgetriebe 26 auf das Ausgangselement 32 übertragen. Im Notfall muss lediglich die Bremse 28 gelöst werden, wonach die manuelle Betätigung der Fahrgasttür aufgrund der fehlenden Selbsthemmung des Untersetzungsgetriebes 26 ohne weiteres möglich ist.The torque generated by the drive motor 24 is transmitted via the reduction gear 26 to the output member 32. In an emergency, only the brake 28 must be solved, after which the manual operation of the passenger door due to the lack of self-locking of the reduction gear 26 is readily possible.
Anstelle oder zusätzlich zur Bremse 28 kann zur Verriegelung auch eine Kurzschlussvorrichtung vorgesehen sein, die die Motorwicklungen des Antriebsmotors 24 zur Verriegelung kurzschließt. Die Erfindung ist nicht auf das beschriebene Ausführungsbeispiel beschränkt, sondern umfasst auch weitere sinnvolle Ausführungsmöglichkeiten im Schutzbereich der geltenden Ansprüche.Instead of or in addition to the brake 28, a short-circuit device may be provided for locking, which short-circuits the motor windings of the drive motor 24 for locking. The invention is not limited to the exemplary embodiment described, but also encompasses further useful design options in the scope of the valid claims.
Erfindungsgemäß kann die Antriebsvorrichtung auch in Verbindung mit einer so genannten High-Active-Bremse vorteilhaft eingesetzt werden. Eine solche Bremse ist auch bekannt unter dem Begriff Ankerkraftbremse und ist im bestromtem Zustand aktiv und die Tür ist in dieser Position fixiert. Zu diesem Zweck ist die Einstiegstür mit einer externen Verriegelungseinrichtung versehen, um bei einem länger abgestellten Fahrzeug den Einstieg zu verriegeln. Dies kann zum Beispiel durch ein fernbedienbares Zentralverriegelungsschloss erfolgen. Bei einem für einen kürzeren Zeitraum abgestellten Fahrzeug kann die Verriegelung der Tür durch eine verzögerte Abschaltung der Versorgungsspannung ohne externe Verriegelung erfolgen. Dabei wird die Bremse für diesen Zeitraum weiterhin bestromt.According to the invention, the drive device can also be advantageously used in conjunction with a so-called high-active brake. Such a brake is also known under the term anchor brake and is active in the energized state and the door is fixed in this position. For this purpose, the entrance door is provided with an external locking device to lock the entry at a longer parked vehicle. This can be done for example by a remote-controlled central locking lock. In the case of a vehicle parked for a shorter period of time, the door can be locked by a delayed shutdown of the supply voltage without external locking. The brake will continue to be energized for this period.
Eine solche Kombination der beschriebenen Antriebsvorrichtung mit einer High- Active-Bremse hat den großen Vorteil, dass eine mechanischen Notentriegelung zum Beispiel über Bowdenzug nicht mehr erforderlich ist. Die Notentriegelung erfolgt über einen Öffnerkontakt in der Ankersteuerleitung für die Bremse. Die Rückstellung der Notentriegelung kann zentral oder auch dezentral mit einfachen Mitteln erfolgen. Die dezentrale Rückstellung der Notentriegelung kann zum Beispiel über eine externe Relaisstellung erfolgen. Such a combination of the drive device described with a high-active brake has the great advantage that a mechanical emergency release, for example via Bowden cable is no longer required. The emergency unlocking takes place via a normally closed contact in the armature control line for the brake. The emergency release can be reset centrally or remotely using simple means. The decentralized reset of the emergency release can be done, for example, via an external relay position.

Claims

Ansprüche claims
1. Antriebsvorrichtung für Ein-/Ausstiegseinrichtungen für Fahrzeuge des öffentlichen Personenverkehrs mit einem Antrieb, der einen elektrischen Antriebsmotor (24) und ein Untersetzungsgetriebe (26) aufweist, wobei ein Abtriebselement des Antriebsmotors mit einem Eingangselement des Untersetzungsgetriebes (26) und ein Ausgangselement (32) des Untersetzungsgetriebes (26) mit der Ein-/Ausstiegseinrichtungen gekoppelt sind, gekennzeichnet durchA drive device for entry / exit devices for public transport vehicles with a drive having an electric drive motor (24) and a reduction gear (26), wherein an output element of the drive motor with an input element of the reduction gear (26) and an output element (32 ) of the reduction gear (26) are coupled to the entry / exit devices, characterized by
- einen Aufbau als Kompaktantrieb, indem der elektrische Antriebsmotor (24) und das Untersetzungsgetriebe (26) axial hintereinander innerhalb eines rohrförmigen Gehäuses (22) angeordnet sind,a compact drive construction in which the electric drive motor (24) and the reduction gear (26) are arranged axially one behind the other within a tubular housing (22),
- ein nicht selbsthemmendes Untersetzungsgetriebe,a non-self-locking reduction gear,
- eine zusätzliche Blockierungsvorrichtung zum Blockieren des Antriebs.- An additional blocking device for blocking the drive.
2. Antriebsvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Blockierungsvorrichtung durch eine Bremse (28) gebildet ist.2. Drive device according to claim 1, characterized in that the blocking device is formed by a brake (28).
3. Antriebsvorrichtung nach Anspruch 1 oder Anspruch 2, dadurch gekennzeichnet, dass die Blockierungsvorrichtung durch einen schaltbaren Kurzschluß des Antriebsmotors (24) gebildet ist.3. Drive device according to claim 1 or claim 2, characterized in that the blocking device is formed by a switchable short circuit of the drive motor (24).
4. Antriebsvorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass ein mechanischer Notschalter zur Trennung des Kurzschlusses vorgesehen ist.4. Drive device according to claim 3, characterized in that a mechanical emergency switch for disconnecting the short circuit is provided.
5. Antriebsvorrichtung nach Anspruch 3 oder Anspruch 4, dadurch gekennzeichnet, dass ein zur Kurzschlussschaltung parallel geschaltetes Element vorgesehen ist, das eine ungewollte Aufhebung des Kurzschlusses während der Fahrt verhindert.5. Drive device according to claim 3 or claim 4, characterized in that a short circuit for parallel connection element is provided which prevents unwanted cancellation of the short circuit while driving.
6. Antriebsvorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass die Bremse (28) als eine auf das Abtriebselement des Antriebsmotors (24) mittels Federkraft einwirkende, elektromagnetisch und mechanisch lösbare Bremse (28) ausgeführt ist. 6. Drive device according to claim 2, characterized in that the brake (28) as a force acting on the output element of the drive motor (24) by spring force, electromagnetically and mechanically releasable brake (28) is executed.
7. Antriebsvorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass das Untersetzungsgetriebe (26) als Planetengetriebe ausgebildet ist.7. Drive device according to one of claims 1 to 6, characterized in that the reduction gear (26) is designed as a planetary gear.
8. Antriebsvorrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass eine Drehwegerfassungsvorrichtung (34) zur Erfassung des Drehwegs der Antriebseinheit (20) vorgesehen ist.8. Drive device according to one of claims 1 to 7, characterized in that a rotary travel detection device (34) for detecting the rotational travel of the drive unit (20) is provided.
9. Antriebsvorrichtung nach Anspruch 8, dadurch gekennzeichnet, dass das Ausgangselement (32) eine Abtriebswelle ist, deren Drehweg durch die Drehwegerfassungsvorrichtung (34) erfasst wird.9. Drive device according to claim 8, characterized in that the output element (32) is an output shaft whose rotation path is detected by the rotary travel detecting device (34).
10. Antriebsvorrichtung nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass das Ausgangselement (32) mit einer Hub-Dreheinheit verbunden ist.10. Drive device according to one of claims 1 to 9, characterized in that the output element (32) is connected to a lifting rotary unit.
11. Antriebsvorrichtung nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass alle elektrischen Anschlusselemente (30) und mechanischen Anschlusselemente (31) innerhalb der Antriebseinheit (20) angeordnet sind. 11. Drive device according to one of claims 1 to 10, characterized in that all electrical connection elements (30) and mechanical connection elements (31) within the drive unit (20) are arranged.
EP08847347.5A 2007-11-09 2008-11-07 Electrically driven rotatable column for public transport vehicles Active EP2220317B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08847347T PL2220317T3 (en) 2007-11-09 2008-11-07 Electrically driven rotatable column for public transport vehicles

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202007015770U DE202007015770U1 (en) 2007-11-09 2007-11-09 Drive device for entry and exit devices
PCT/EP2008/065177 WO2009060085A1 (en) 2007-11-09 2008-11-07 Drive device for entrance and exit devices

Publications (2)

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EP2220317A1 true EP2220317A1 (en) 2010-08-25
EP2220317B1 EP2220317B1 (en) 2017-09-06

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US (1) US20120149521A1 (en)
EP (1) EP2220317B1 (en)
CN (1) CN101861442A (en)
BR (1) BRPI0817371A2 (en)
CA (1) CA2705117A1 (en)
DE (1) DE202007015770U1 (en)
ES (1) ES2650232T3 (en)
MX (1) MX2010005083A (en)
PL (1) PL2220317T3 (en)
RU (1) RU2463426C2 (en)
WO (1) WO2009060085A1 (en)

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Also Published As

Publication number Publication date
WO2009060085A1 (en) 2009-05-14
MX2010005083A (en) 2010-10-26
CA2705117A1 (en) 2009-05-14
RU2010123371A (en) 2011-12-20
BRPI0817371A2 (en) 2015-03-31
ES2650232T3 (en) 2018-01-17
EP2220317B1 (en) 2017-09-06
DE202007015770U1 (en) 2009-03-19
US20120149521A1 (en) 2012-06-14
CN101861442A (en) 2010-10-13
PL2220317T3 (en) 2018-01-31
RU2463426C2 (en) 2012-10-10

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