EP1379752A1 - Device for automatically actuating a vehicle door - Google Patents

Device for automatically actuating a vehicle door

Info

Publication number
EP1379752A1
EP1379752A1 EP02735237A EP02735237A EP1379752A1 EP 1379752 A1 EP1379752 A1 EP 1379752A1 EP 02735237 A EP02735237 A EP 02735237A EP 02735237 A EP02735237 A EP 02735237A EP 1379752 A1 EP1379752 A1 EP 1379752A1
Authority
EP
European Patent Office
Prior art keywords
drive
motor
control device
vehicle door
sensor
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
EP02735237A
Other languages
German (de)
French (fr)
Other versions
EP1379752B1 (en
Inventor
Ingo Greuel
Dietmar Orth
Holger Schiffer
Bernd Ulbricht
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.)
Minebea AccessSolutions Deutschland GmbH
Original Assignee
Valeo Sicherheitssysteme GmbH
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 Valeo Sicherheitssysteme GmbH filed Critical Valeo Sicherheitssysteme GmbH
Publication of EP1379752A1 publication Critical patent/EP1379752A1/en
Application granted granted Critical
Publication of EP1379752B1 publication Critical patent/EP1379752B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
    • E05F15/616—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms
    • E05F15/622—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms using screw-and-nut mechanisms
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/70—Power-operated mechanisms for wings with automatic actuation
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/40—Safety devices, e.g. detection of obstructions or end positions
    • E05F15/41—Detection by monitoring transmitted force or torque; Safety couplings with activation dependent upon torque or force, e.g. slip couplings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
    • E05F15/627—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by flexible elongated pulling elements, e.g. belts, chains or cables
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/21—Brakes
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/23—Actuation thereof
    • E05Y2201/246—Actuation thereof by auxiliary motors, magnets, springs or weights
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/252—Type of friction
    • E05Y2201/26—Mechanical friction
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/262—Type of motion, e.g. braking
    • E05Y2201/266—Type of motion, e.g. braking rotary
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
    • E05Y2201/43—Motors
    • E05Y2201/434—Electromotors; Details thereof
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
    • E05Y2201/46—Magnets
    • E05Y2201/462—Electromagnets
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
    • E05Y2201/47—Springs
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
    • E05Y2400/10—Electronic control
    • E05Y2400/30—Electronic control of motors
    • E05Y2400/3013—Electronic control of motors during manual wing operation
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
    • E05Y2400/10—Electronic control
    • E05Y2400/30—Electronic control of motors
    • E05Y2400/3013—Electronic control of motors during manual wing operation
    • E05Y2400/3015—Power assistance
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
    • E05Y2400/10—Electronic control
    • E05Y2400/52—Safety arrangements associated with the wing motor
    • E05Y2400/53—Wing impact prevention or reduction
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
    • E05Y2400/10—Electronic control
    • E05Y2400/52—Safety arrangements associated with the wing motor
    • E05Y2400/53—Wing impact prevention or reduction
    • E05Y2400/54—Obstruction or resistance detection
    • E05Y2400/55—Obstruction or resistance detection by using load sensors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/10—Adjustable
    • E05Y2600/13—Adjustable by motors, magnets, springs or weights
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
    • E05Y2900/53—Type of wing
    • E05Y2900/531—Doors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
    • E05Y2900/53—Type of wing
    • E05Y2900/546—Tailboards, tailgates or sideboards opening upwards

Definitions

  • the invention relates to a device for the automatic actuation of a vehicle door according to the features of the preamble of claim 1.
  • vehicle door in this application is generally understood to mean a pivotable part for closing a vehicle opening.
  • the vehicle door can therefore be either a Side door or a tailgate as well as the lid for closing the engine compartment or the flap for closing a roof opening of a corresponding vehicle.
  • a disadvantage of these known vehicles is, inter alia, that automatic actuation of the respective vehicle door is only possible from the inside of the vehicle or via the remote control.
  • a manual operation e.g. the tailgate by an assistant who has no remote control or vehicle key is usually not possible.
  • the invention has for its object to provide a motor vehicle with an automatically operated Specifiable vehicle door in which a vehicle door located in its open position can be operated manually in a simple manner.
  • the invention is essentially based on the idea of arranging a load sensor on the drive, preferably on one of the transmission elements of the drive, which generates a control signal when the open vehicle door is subjected to a predetermined load, which signal is then fed to the control device for further processing.
  • the open vehicle door is loaded e.g. by a corresponding manual pressure on the door or on the tailgate etc.
  • the motor is connected to the control device, so that after a control signal is generated by the load sensor, the control device activates the motor and the vehicle door is automatically closed by it.
  • At least one of the transmission elements is designed as a clutch, which is operatively connected to the control device, so that after a control signal is generated by the load sensor, the transmission is uncoupled from the transmission element on the vehicle door side and the vehicle door can be closed manually.
  • the control device must also generate a signal to release this brake when the sensor is loaded.
  • the drive comprises a spindle drive, wherein rotation of the spindle caused by the motor causes an axial displacement of the associated spindle nut, which in turn causes a pivoting element to pivot at least one of the hinge brackets of the vehicle door.
  • the force sensor is in turn attached to the transmission element.
  • the motor can preferably be an electric motor and the control device can be an electrical or electronic control device.
  • both force and torque sensors can be used as load sensors, which can be, for example, piezo or optical deformation sensors.
  • load sensors can be, for example, piezo or optical deformation sensors.
  • the sensor should advantageously be arranged close to the respective hinge of the vehicle door, where either direct forces and moments act due to the action on the door or corresponding reaction forces or moments occur.
  • Fig.l is a schematically illustrated side view of the tailgate of a motor vehicle with a drive for opening and closing the tailgate and an electronic circuit device for controlling an electric motor of the drive;
  • FIG. 2 shows a perspective view of a part of the drive shown in FIG. 1 for pivoting the hinge bracket of the tailgate of a motor vehicle;
  • FIG. 3 shows a representation corresponding to FIG. 1 with an electronic circuit device for controlling a clutch; 4 shows a schematic representation of a drive which comprises a brake and a torque sensor and
  • FIG. 5 shows a schematic view from the left-hand side of the drive shown in FIG. 4, in which two pressure sensors are provided instead of a torque sensor for measuring reaction torques.
  • 1 denotes the tailgate of a motor vehicle, which is arranged pivotably on hinge bracket 2 on the roof rack 3 of the corresponding vehicle.
  • the tailgate 1 is in its open position.
  • the hinge bracket 2 is connected to a drive 4 fastened to the roof rack 3.
  • the drive 4 comprises an electric motor 5, a transmission 6 connected downstream thereof, a spindle drive 7 connected to the transmission 6 and a further transmission element 8.
  • the transmission element 8 is pivotally connected to the hinge bracket 2 about an axis 9 running perpendicular to the image plane.
  • a strain sensor 10 is also attached to the transmission element 8 as a force sensor, the output of which is connected to an electronic control device 12 via an electrical line 11.
  • the control device 12 is also connected to the electric motor 5 via a corresponding electrical line 13 and causes it to be switched on and, if appropriate, also to set the direction of rotation.
  • the tailgate 1 If the tailgate 1 is to be closed, it is first manually pushed somewhat in the direction of the arrow labeled 14. The force sensor 10 generates a corresponding signal which is fed to the control device 12 via the line 11. This compares the signal with a predetermined target value and generates a release signal when the target value is exceeded, which initiates activation of the electric motor 5. The tailgate 1 is then automatically pivoted into its closed position via the gear 6, the spindle drive 7 and the transmission element 8.
  • the drive in turn comprises an electric motor, not shown, with a downstream transmission, also not shown, which acts on the spindle drive 7.
  • the spindle drive 7 consists of a spindle 16 which can be rotated by the electric motor or the gear and a spindle nut 17 which moves axially when the spindle 16 rotates.
  • the spindle nut 17 is connected via the transmission element 8 to the hinge bracket 2 of the tailgate 1, laterally on the Transmission element 8 which is designed as a strain gauge force sensor 10 is attached.
  • the release signal generated by the control device 12 does not act on the electric motor 5, but on an electromagnetic clutch 18 which is arranged between the gear 6 and the spindle drive 7.
  • an electromagnetic clutch 18 which is arranged between the gear 6 and the spindle drive 7.
  • FIG. 4 shows a further drive, which in turn comprises an electric motor 5, which is connected to a first gear 6 'acting on a clutch 18.
  • the clutch 18 is in turn connected via a brake 19 to a second gear 6 ′′, which acts via a torque sensor 10 on a crank lever 20 pivoting the hinge bracket 2.
  • the brake 19 serves to fix the hinge bracket 2 and thus also the vehicle door (not shown) in FIG a certain pivoted position.
  • the sensor signals of the torque sensor 10 reach the control device 12 (FIGS. 1 and 3) via the line 11, and the signals for releasing the brake 19 and the clutch 18 are transmitted via the lines 21 and 22 in order to manually actuate the vehicle door enable.
  • the sensor 10 should be arranged as close as possible to the hinge 2, where either direct forces and moments due to the action on the vehicle door or corresponding reaction forces or moments occur.
  • the sensor 10 can be arranged on the drive shaft, the gear wheels of the transmission or the clutch.
  • FIG. 5 shows an exemplary embodiment in which the complete drive, designated 4 ', is pivotably mounted in a carrier 23.
  • the drive 4 ' On the drive 4 'is at least one torque support 24, which acts on two opposite pressure sensors 10, which are supported on the carrier 23.
  • the drive 4 ' is pivotally connected to the hinge bracket 2 via a crank lever 20 serving as a transmission element.

Landscapes

  • Power-Operated Mechanisms For Wings (AREA)

Abstract

The invention relates to a device for automatically actuating a vehicle door (1), in particular a side door or a tailgate of the motor vehicle. Said device comprises a control device (12) and a drive (4;4') that consists of a motor (5) with a gearing (6) connected downstream and at least one transmission element (8;20) located between the gearing (6) and the vehicle door (1). The aim of the invention is to facilitate the manual actuation of an automatically actuated vehicle door (1) that is in an open position. To achieve this, a load sensor (10) is mounted on the drive (4). When a predetermined load on the open vehicle door (1) has been reached, said sensor generates a control signal, which is fed to the control device (12) for activating the motor (5), or for decoupling a coupling (18) that is located between the gearing (6) and the transmission element (8;20), the load on the open vehicle door (1) being produced e.g. by a corresponding manual pressure on said vehicle door (1).

Description

VORRICHTUNG ZUR AUTOMATISCHEN BETÄTIGUNG EINER FAHRZEUGTUR DEVICE FOR AUTOMATICALLY OPERATING A VEHICLE DOOR
Die Erfindung betrifft eine Vorrichtung zur automatischen Betätigung einer Fahrzeugtür nach den Merkmalen des Oberbegriffs des Anspruchs 1. Unter dem Begriff „Fahrzeugtür" wird in dieser Anmeldung ganz allgemein ein verschwenkbares Teil zum Verschließen einer Fahrzeugöffnung verstanden. Bei der Fahrzeugtür kann es sich daher sowohl um eine Seitentür oder eine Heckklappe als auch um den Deckel zum Verschließen des Motorraumes oder um die Klappe zum Verschließen einer Dachöffhung eines entsprechenden Fahrzeuges handeln.The invention relates to a device for the automatic actuation of a vehicle door according to the features of the preamble of claim 1. The term “vehicle door” in this application is generally understood to mean a pivotable part for closing a vehicle opening. The vehicle door can therefore be either a Side door or a tailgate as well as the lid for closing the engine compartment or the flap for closing a roof opening of a corresponding vehicle.
Es sind bereits Kraftfahrzeuge mit automatisch betätigbarer Heckklappen vorgeschlagen worden. Dabei wird beispielsweise vom Fahrer des Fahrzeuges durch eine entsprechende Betätigung eines in der Instrumententafel vorgesehenen Schalters oder durch eine Fernbedienung die Heckklappe geschlossen oder geöffnet. Hierzu wirkt das von dem Schalter oder der Fernbedienung erzeugte Schaltsignal auf eine elektronische Steuereinrichtung, die ihrerseits elektrische Steuersignale zur Aktivierung eines Elektromotors erzeugt, der dann seinerseits über ein nachgeschaltetes Getriebe und weiteren Übertragungselementen die Heckklappe verschwenkt.Motor vehicles with automatically operated tailgates have already been proposed. For example, the driver of the vehicle closes or opens the tailgate by correspondingly actuating a switch provided in the instrument panel or by remote control. For this purpose, the switching signal generated by the switch or the remote control acts on an electronic control device, which in turn generates electrical control signals for activating an electric motor, which then in turn pivots the tailgate via a downstream transmission and further transmission elements.
Nachteilig ist bei diesen bekannten Fahrzeugen unter anderem, daß ein automatisches Betätigen der jeweiligen Fahrzeugtür nur von der Fahrzeuginnenseite oder über die Fernbedienung möglich ist. Ein manuelles Betätigen z.B. der Heckklappe durch eine Hilfsperson, die keine Fernbedienung oder keinen Fahrzeugschlüssel hat, ist in der Regel nicht möglich.A disadvantage of these known vehicles is, inter alia, that automatic actuation of the respective vehicle door is only possible from the inside of the vehicle or via the remote control. A manual operation e.g. the tailgate by an assistant who has no remote control or vehicle key is usually not possible.
Der Erfindung liegt die Aufgabe zugrunde, ein Kraftfahrzeug mit einer automatisch betä- tigbaren Fahrzeugtür anzugeben, bei dem auf einfache Weise eine in ihrer geöffneten Stellung befindliche Fahrzeugtür manuell betätigt werden kann.The invention has for its object to provide a motor vehicle with an automatically operated Specifiable vehicle door in which a vehicle door located in its open position can be operated manually in a simple manner.
Diese Aufgabe wird erfindungsgemäß durch die Merkmale des Anspruchs 1 gelöst. Weitere, besonders vorteilhafte Ausgestaltungen der Erfindung offenbaren die Unteransprüche.This object is achieved by the features of claim 1. Further, particularly advantageous configurations of the invention are disclosed in the subclaims.
Die Erfindung beruht im wesentlichen auf dem Gedanken, an dem Antrieb, vorzugsweise an einem der Übertragungselemente des Antriebes, einen Belastungssensor anzuordnen, der bei einer vorgegebenen Belastung der geöffneten Fahrzeugtür ein Steuersignal erzeugt, welches dann der Steuereinrichtung zur Weiterverarbeitung zugeführt wird. Dabei erfolgt die Belastung der geöffneten Fahrzeugtür z.B. durch einen entsprechenden manuellen Druck auf die Tür bzw. auf die Heckklappe etc.The invention is essentially based on the idea of arranging a load sensor on the drive, preferably on one of the transmission elements of the drive, which generates a control signal when the open vehicle door is subjected to a predetermined load, which signal is then fed to the control device for further processing. The open vehicle door is loaded e.g. by a corresponding manual pressure on the door or on the tailgate etc.
Bei einer ersten Ausfuhrungsform der Erfindung ist der Motor mit der Steuereinrichtung verbunden, so daß nach Erzeugung eines Steuersignales durch den Belastungssensor die Steuereinrichtung den Motor aktiviert und die Fahrzeugtür durch diesen automatisch geschlossen wird.In a first embodiment of the invention, the motor is connected to the control device, so that after a control signal is generated by the load sensor, the control device activates the motor and the vehicle door is automatically closed by it.
Bei einer zweiten Ausführungsform der Erfindung ist mindestens eines der Übertragungselemente als Kupplung ausgebildet, die mit der Steuereinrichtung in Wirkverbindung steht, so daß nach Erzeugung eines Steuersignales durch den Belastungssensor das Getriebe von den fahrzeugtürseitigen Übertragungselementen entkuppelt wird und die Fahrzeugtür manuell geschlossen werden kann.In a second embodiment of the invention, at least one of the transmission elements is designed as a clutch, which is operatively connected to the control device, so that after a control signal is generated by the load sensor, the transmission is uncoupled from the transmission element on the vehicle door side and the vehicle door can be closed manually.
Sofern der Antrieb eine Bremse umfaßt, welche dafür sorgt, daß die Fahrzeugtür in ihrer vorgegebenen geöffneten Stellung sicher gehalten wird, muß bei Belastung des Sensors die Steuereinrichtung auch ein Signal zur Lösung dieser Bremse erzeugen.If the drive comprises a brake, which ensures that the vehicle door is held securely in its predetermined open position, the control device must also generate a signal to release this brake when the sensor is loaded.
Bei einer weiteren Ausfuhrungsform der Erfindung umfaßt der Antrieb einen Spindelantrieb, wobei eine durch den Motor bewirkte Drehung der Spindel eine axiale Verschiebung der zugehörigen Spindelmutter verursacht, die ihrerseits über ein Übertragungselement ein Verschwenken mindestens eines der Scharnierbügel der Fahrzeugtür bewirkt. Dabei ist der Kraftsensor wiederum an dem Übertragungselement befestigt. Bei dem Motor kann es sich vorzugsweise um einen Elektromotor und bei der Steuereinrichtung um eine elektrische oder elektronische Steuereinrichtung handeln. Allerdings ist es auch möglich, das erfindungsgemäße Fahrzeug mit einem hydraulischen Antrieb auszurüsten und eine entsprechende für einen derartigen Antrieb ausgelegte Steuereinrichtung zu verwenden.In a further embodiment of the invention, the drive comprises a spindle drive, wherein rotation of the spindle caused by the motor causes an axial displacement of the associated spindle nut, which in turn causes a pivoting element to pivot at least one of the hinge brackets of the vehicle door. The force sensor is in turn attached to the transmission element. The motor can preferably be an electric motor and the control device can be an electrical or electronic control device. However, it is also possible to equip the vehicle according to the invention with a hydraulic drive and to use a corresponding control device designed for such a drive.
Als Belastungssensoren können, je nach Aufbau des Antriebes, sowohl Kraft- als auch Drehmomentsensor verwendet werden, bei denen es sich beispielsweise um Piezo- oder optische Verformungssensoren handeln kann. Dabei soll der Sensor vorteilhafterweise nahe an dem jeweiligen Scharnier der Fahrzeugtur angeordnet werden, wo entweder direkte Kräfte und Momente aufgrund der Einwirkung auf die Tür wirken oder entsprechende Reaktionskräfte oder Momente auftreten.Depending on the design of the drive, both force and torque sensors can be used as load sensors, which can be, for example, piezo or optical deformation sensors. The sensor should advantageously be arranged close to the respective hinge of the vehicle door, where either direct forces and moments act due to the action on the door or corresponding reaction forces or moments occur.
Als besonders vorteilhaft hat es sich erwiesen, wenn im Falle einer Heckklappe der Antrieb und die Steuereinrichtung in einem vormontierbaren Modul zusammengefaßt werden, welches dann bei der Montage des Fahrzeuges in eine entsprechende Aufnahme im Dachträgerbereich eingesetzt und befestigt werden kann.It has proven to be particularly advantageous if, in the case of a tailgate, the drive and the control device are combined in a preassembled module, which can then be inserted and fastened in a corresponding receptacle in the roof rack area during the assembly of the vehicle.
Weitere Einzelheiten und Vorteile der Erfindung ergeben sich aus den folgenden anhand von Figuren erläuterten Ausführungsbeispielen. Es zeigen:Further details and advantages of the invention result from the following exemplary embodiments explained with reference to figures. Show it:
Fig.l eine schematisch dargestellte Seitenansicht der Heckklappe eines Kraftfahrzeuges mit einem Antrieb zum Öffnen und Schließen der Heckklappe und einer e- lektronischen Schaltungsvorrichtung zur Ansteuerung eines Elektromotors des Antriebes;Fig.l is a schematically illustrated side view of the tailgate of a motor vehicle with a drive for opening and closing the tailgate and an electronic circuit device for controlling an electric motor of the drive;
Fig.2 eine perspektivische Ansicht eines Teiles des in Fig.l dargestellten Antriebes zum Verschwenken des Scharnierbügels der Heckklappe eines Kraftfahrzeuges;2 shows a perspective view of a part of the drive shown in FIG. 1 for pivoting the hinge bracket of the tailgate of a motor vehicle;
Fig.3 eine Fig.l entsprechende Darstellung mit einer elektronischen Schaltungsvorrichtung zur Ansteuerung einer Kupplung; Fig.4 eine schematische Darstellung eines Antriebes, der eine Bremse und einen Drehmomentsensor umfaßt und3 shows a representation corresponding to FIG. 1 with an electronic circuit device for controlling a clutch; 4 shows a schematic representation of a drive which comprises a brake and a torque sensor and
Fig.5 eine schematische Ansicht von der linken Seite auf den in Fig.4 dargestellten Antrieb, bei dem statt eines Drehmomentsensors zwei Drucksensoren zur Messung von Reaktionsmomenten vorgesehen sind.5 shows a schematic view from the left-hand side of the drive shown in FIG. 4, in which two pressure sensors are provided instead of a torque sensor for measuring reaction torques.
In Fig.1 ist mit 1 die Heckklappe eines Kraftfahrzeuges bezeichnet, die über Scharnierbügel 2 an dem Dachträger 3 des entsprechenden Fahrzeuges verschwenkbar angeordnet ist. Die Heckklappe 1 befindet sich in ihrer geöffneten Stellung.In Figure 1, 1 denotes the tailgate of a motor vehicle, which is arranged pivotably on hinge bracket 2 on the roof rack 3 of the corresponding vehicle. The tailgate 1 is in its open position.
Der Scharnierbügel 2 ist mit einem am Dachträger 3 befestigten Antrieb 4 verbunden. Dabei umfaßt der Antrieb 4 einen Elektromotor 5, ein diesem nachgeschaltetes Getriebe 6, einen mit dem Getriebe 6 verbundenen Spindelantrieb 7 und ein weiteres Übertragungselement 8. Das Übertragungselement 8 ist um eine senkrecht zur Bildebene verlaufende Achse 9 schwenkbar mit dem Scharnierbügel 2 verbunden.The hinge bracket 2 is connected to a drive 4 fastened to the roof rack 3. The drive 4 comprises an electric motor 5, a transmission 6 connected downstream thereof, a spindle drive 7 connected to the transmission 6 and a further transmission element 8. The transmission element 8 is pivotally connected to the hinge bracket 2 about an axis 9 running perpendicular to the image plane.
An dem Übertragungselement 8 ist ferner ein Dehnungsaufnehmer 10 als Kraftsensor befestigt, dessen Ausgang über eine elektrische Leitung 11 mit einer elektronischen Steuereinrichtung 12 verbunden ist. Die Steuereinrichtung 12 ist außerdem über eine entsprechende elektrische Leitung 13 mit dem Elektromotor 5 verbunden und bewirkt dessen Einschalten sowie gegebenenfalls auch die Vorgabe der Drehrichtung.A strain sensor 10 is also attached to the transmission element 8 as a force sensor, the output of which is connected to an electronic control device 12 via an electrical line 11. The control device 12 is also connected to the electric motor 5 via a corresponding electrical line 13 and causes it to be switched on and, if appropriate, also to set the direction of rotation.
Soll die Heckklappe 1 geschlossen werden, so wird sie zunächst manuell etwas in Richtung des mit 14 bezeichneten Pfeiles gedrückt. Der Kraftsensor 10 erzeugt ein entsprechendes Signal, welches über die Leitung 11 der Steuereinrichtung 12 zugeführt wird. Diese vergleicht das Signal mit einem vorgegebenen Sollwert und erzeugt bei Überschreiten des Sollwertes ein Freigabesignal, welches eine Aktivierung des Elektromotors 5 einleitet. Ü- ber das Getriebe 6, den Spindelantrieb 7 und das Übertragungselement 8 wird dann die Heckklappe 1 automatisch in ihre geschlossene Stellung geschwenkt.If the tailgate 1 is to be closed, it is first manually pushed somewhat in the direction of the arrow labeled 14. The force sensor 10 generates a corresponding signal which is fed to the control device 12 via the line 11. This compares the signal with a predetermined target value and generates a release signal when the target value is exceeded, which initiates activation of the electric motor 5. The tailgate 1 is then automatically pivoted into its closed position via the gear 6, the spindle drive 7 and the transmission element 8.
Sobald die Heckklappe 1 ihre geschlossene Stellung erreicht hat, bewirkt ein mit der Steu- ereinrichtung 12 verbundener Schalter 15 ein Abschalten des Elektromotors 5.As soon as the tailgate 1 has reached its closed position, a ereinrichtung 12 connected switch 15 a shutdown of the electric motor 5th
Fig.2 gibt ein praktisches Ausfuhrungsbeispiel eines Teiles des in Fig.l dargestellten Antriebes 4 wieder. Dabei umfaßt der Antrieb wiederum einen nicht dargestellten Elektromotor mit einem nachgeschalteten, ebenfalls nicht dargestellten Getriebe, welches auf den Spindelantrieb 7 wirkt. Der Spindelantrieb 7 besteht aus einer durch den Elektromotor bzw. das Getriebe drehbaren Spindel 16 und einer bei Drehung der Spindel 16 sich axial verschiebenden Spindelmutter 17. Die Spindelmutter 17 ist über das Übertragungselement 8 mit dem Scharnierbügel 2 der Heckklappe 1 verbunden, wobei seitlich an dem Übertragungselement 8 der als Dehnungsmesser ausgebildete Kraftsensor 10 befestigt ist.2 shows a practical exemplary embodiment of a part of the drive 4 shown in FIG. The drive in turn comprises an electric motor, not shown, with a downstream transmission, also not shown, which acts on the spindle drive 7. The spindle drive 7 consists of a spindle 16 which can be rotated by the electric motor or the gear and a spindle nut 17 which moves axially when the spindle 16 rotates. The spindle nut 17 is connected via the transmission element 8 to the hinge bracket 2 of the tailgate 1, laterally on the Transmission element 8 which is designed as a strain gauge force sensor 10 is attached.
Bei dem in Fig.3 dargestellten Ausführungsbeispiel wirkt das von der Steuereinrichtung 12 erzeugte Freigabesignal nicht auf den Elektromotor 5, sondern auf eine elektromagnetische Kupplung 18, die zwischen dem Getriebe 6 und dem Spindelantrieb 7 angeordnet ist. Bei Druck auf die Heckklappe 1 erfolgt in diesem Falle daher kein automatisches Verschließen der Heckklappe 1, sondern ein Entkuppeln des Getriebes 6 von den weiteren Übertragungselementen, so daß die Heckklappe 1 manuell geschlossen werden kann, ohne daß dieser Vorgang durch das Getriebe 6 oder den Elektromotor 5 gehemmt wird.In the exemplary embodiment shown in FIG. 3, the release signal generated by the control device 12 does not act on the electric motor 5, but on an electromagnetic clutch 18 which is arranged between the gear 6 and the spindle drive 7. When pressure is applied to the tailgate 1, there is therefore no automatic closing of the tailgate 1 in this case, but rather a decoupling of the transmission 6 from the other transmission elements, so that the tailgate 1 can be closed manually without this process being carried out by the transmission 6 or the electric motor 5 is inhibited.
In Fig.4 ist ein weiterer Antrieb dargestellt, der wiederum einen Elektromotor 5 umfaßt, welcher mit einem ersten auf eine Kupplung 18 wirkenden Getriebe 6' verbunden ist. Die Kupplung 18 ist ihrerseits über eine Bremse 19 mit einem zweiten Getriebe 6" verbunden, das über einen Drehmomentsensor 10 auf einen den Scharnierbügel 2 verschwenkenden Kurbelhebel 20 wirkt. Dabei dient die Bremse 19 zur Fixierung des Scharnierbügels 2 und damit auch der nicht dargestellten Fahrzeugtür in einer bestimmten verschwenkten Stellung.4 shows a further drive, which in turn comprises an electric motor 5, which is connected to a first gear 6 'acting on a clutch 18. The clutch 18 is in turn connected via a brake 19 to a second gear 6 ″, which acts via a torque sensor 10 on a crank lever 20 pivoting the hinge bracket 2. The brake 19 serves to fix the hinge bracket 2 and thus also the vehicle door (not shown) in FIG a certain pivoted position.
Über die Leitung 11 gelangen die Sensorsignale des Drehmomentsensors 10 zu der Steuereinrichtung 12 (Fig.l und 3), und über die Leitungen 21 und 22 werden die Signale zur Lösung der Bremse 19 und der Kupplung 18 übertragen, um ein manuelles Betätigen der Fahrzeugtur zu ermöglichen.The sensor signals of the torque sensor 10 reach the control device 12 (FIGS. 1 and 3) via the line 11, and the signals for releasing the brake 19 and the clutch 18 are transmitted via the lines 21 and 22 in order to manually actuate the vehicle door enable.
Die Anordnung der vorstehend beschriebenen Elemente des in Fig.4 dargestellten Antrie- bes kann selbstverständlich variiert werden. Allerdings sollte der Sensor 10 möglichst nahe an dem Scharnier 2 angeordnet werden, wo entweder direkte Kräfte und Momente aufgrund der Einwirkung auf die Fahrzeugtür oder entsprechende Reaktionskräfte oder Momente auftreten. Zur Bestimmung direkter Kräfte empfiehlt es sich, den Sensor 10 beispielsweise an der Spindel, der Spindelmutter, dem Übertragungselement, dem Kurbelhebel, dem Scharnierbügel, der Fahrzeugtur etc. anzuordnen. Zur Messung von Momenten kann der Sensor 10 an der Antriebswelle, den Zahnrädern des Getriebes oder der Kupplung angeordnet werden.The arrangement of the elements described above of the drive shown in FIG. Of course, it can be varied. However, the sensor 10 should be arranged as close as possible to the hinge 2, where either direct forces and moments due to the action on the vehicle door or corresponding reaction forces or moments occur. To determine direct forces, it is advisable to arrange the sensor 10, for example, on the spindle, the spindle nut, the transmission element, the crank lever, the hinge bracket, the vehicle door, etc. To measure moments, the sensor 10 can be arranged on the drive shaft, the gear wheels of the transmission or the clutch.
Fig. 5 zeigt ein Ausfuhrungsbeispiel, bei dem der mit 4' bezeichnete komplette Antrieb verschwenkbar in einem Träger 23 gelagert ist. An dem Antrieb 4' ist mindestens eine Drehmomentstütze 24, welche auf zwei gegenüberliegende Drucksensoren 10 wirkt, die sich an dem Träger 23 abstützen. Der Antrieb 4' ist über einen als Übertragungselement dienenden Kurbelhebel 20 mit dem Scharnierbügel 2 verschwenkbar verbunden.FIG. 5 shows an exemplary embodiment in which the complete drive, designated 4 ', is pivotably mounted in a carrier 23. On the drive 4 'is at least one torque support 24, which acts on two opposite pressure sensors 10, which are supported on the carrier 23. The drive 4 'is pivotally connected to the hinge bracket 2 via a crank lever 20 serving as a transmission element.
Wird auf die nicht dargestellte Fahrzeugtür und damit auf den Scharnierbügel 2 manuell eine Kraft ausgeübt, so drückt letzterer über den Kurbelhebel 20 gegen den Antrieb 4', der die Drehmomentstütze 24 gegen einen der beiden Drucksensoren 10 drückt. Der entsprechende Sensor 10 erzeugt dann ein Signal, welches über elektrische Leitungen 11 der nicht dargestellten Steuereinrichtung zugeführt wird, die dann -je nachdem, welcher der beiden Sensoren ein Steuersignal erzeugt- die Fahrzeugtür schließt oder weiter öffnet. If a force is exerted manually on the vehicle door (not shown) and thus on the hinge bracket 2, the latter presses via the crank lever 20 against the drive 4 ′, which presses the torque arm 24 against one of the two pressure sensors 10. The corresponding sensor 10 then generates a signal which is fed via electrical lines 11 to the control device (not shown) which, depending on which of the two sensors generates a control signal, then closes or opens the vehicle door further.
BezugszeichenlisteLIST OF REFERENCE NUMBERS
Heckklappe, FahrzeugtürTailgate, vehicle door
Scharnierbügelhinge bracket
Dachträger ,4' AntriebeRoof rack, 4 'drives
Elektromotor, Motor ,6',6" GetriebeElectric motor, motor, 6 ', 6 "gear
Spindelantriebspindle drive
Übertragungselement, TeilTransmission element, part
Achseaxis
Belastungssensor, Kraftsensor, Dehnungsaufhehmer,Load sensor, force sensor, strain transducer,
Drehmomentsensor, DrucksensorTorque sensor, pressure sensor
Leitungmanagement
Steuereinrichtungcontrol device
Leitungmanagement
Pfeilarrow
Schalterswitch
Spindel, TeilSpindle, part
Spindelmutter, TeilSpindle nut, part
Kupplungclutch
Bremsebrake
Kurbelhebel, Übertragungselement, TeilCrank lever, transmission element, part
Leitungmanagement
Leitungmanagement
Trägercarrier
Drehmomentstütze torque arm

Claims

Ansprüche Expectations
1. Kraftfahrzeug mit einer automatisch betätigbaren Fahrzeugtür (1), insbesondere einer Seitentür oder einer Heckklappe des Kraftfahrzeuges, mit einer Steuereinrichtung (12) und mit einem Antrieb (4; 4'), der einen Motor (5) mit nachgeschaltetem Getriebe (6) und mindestens einem zwischen dem Getriebe (6) und der Fahrzeugtür (1) angeordneten Übertragungselement (8; 20) umfaßt, dadurch gekennzeichnet, daß der Antrieb (4; 4') mindestens einen Belastungssensor (10) umfaßt, der bei einer vorgegebenen Belastung der geöffneten Fahrzeugtür (1) ein Steuersignal erzeugt, welches der elektronischen Steuereinrichtung (12) zur Weiterverarbeitung zugeführt wird.1. Motor vehicle with an automatically actuable vehicle door (1), in particular a side door or a tailgate of the motor vehicle, with a control device (12) and with a drive (4; 4 '), which has a motor (5) with a downstream transmission (6) and at least one transmission element (8; 20) arranged between the gearbox (6) and the vehicle door (1), characterized in that the drive (4; 4 ') comprises at least one load sensor (10) which detects the load at a predetermined load opened vehicle door (1) generates a control signal which is fed to the electronic control device (12) for further processing.
2. Kraftfahrzeug nach Anspruch 1, dadurch gekennzeichnet, daß der Motor (5) mit der Steuereinrichtung (12) in Wirkverbindung steht, derart, daß nach Erzeugung eines Steuersignales durch den Belastungssensor (10) die Steuereinrichtung (12) den Motor (5) aktiviert und die Fahrzeugtür (1) automatisch geschlossen oder geöffnet wird.2. Motor vehicle according to claim 1, characterized in that the motor (5) with the control device (12) is operatively connected, such that after generating a control signal by the load sensor (10), the control device (12) activates the motor (5) and the vehicle door (1) is automatically closed or opened.
3. Kraftfahrzeug nach Anspruch 1, dadurch gekennzeichnet, daß zwischen dem Motor (5) und dem Übertragungselement (8; 20) des Antriebes (4; 4') mindestens eine Kupplung (18) angeordnet ist, und daß die Kupplung (18) mit der Steuereinrichtung (12) in Wirkverbindung steht, derart, daß nach Erzeugung eines Steuersignales durch den Belastungssensor (10) die motorseitigen Elemente des Antriebes (4; 4') von den übertra- gungselementseitigen Elementen des Antriebes (4; 4') entkuppelt werden, so daß die Fahrzeugtür (1) manuell betätigbar ist.3. Motor vehicle according to claim 1, characterized in that at least one clutch (18) is arranged between the engine (5) and the transmission element (8; 20) of the drive (4; 4 '), and that the clutch (18) with is in operative connection with the control device (12) such that after the generation of a control signal by the load sensor (10), the motor-side elements of the drive (4; 4 ') are decoupled from the transmission-element elements of the drive (4; 4'), so that the vehicle door (1) can be operated manually.
4. Kraftfahrzeug nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß zwischen dem Motor (5) und dem Übertragungselement (8; 20) des Antriebes (4; 4') eine Bremse (19) angeordnet ist, die mit der Steuereinrichtung (12) in Wirkverbindung steht, derart, daß nach Erzeugung eines Steuersignales durch den Belastungssensor (10) die Bremse (19) gelöst und der Motor (5) aktiviert oder die Kupplung (18) entkuppelt wird. 4. Motor vehicle according to claim 2 or 3, characterized in that between the motor (5) and the transmission element (8; 20) of the drive (4; 4 ') a brake (19) is arranged, which with the control device (12) is in operative connection such that after the generation of a control signal by the load sensor (10) the brake (19) is released and the motor (5) is activated or the clutch (18) is disengaged.
5. Kraftfahrzeug nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß es sich bei dem Motor (5) um einen Elektromotor und bei der Steuereinrichtung (12) um eine elektrische oder elektronische Steuereinrichtung handelt.5. Motor vehicle according to one of claims 1 to 4, characterized in that the motor (5) is an electric motor and the control device (12) is an electrical or electronic control device.
6. Kraftfahrzeug nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß es sich bei dem Belastungssensor (10) um einen Kraft- oder Drehmomentsensor handelt.6. Motor vehicle according to one of claims 1 to 5, characterized in that the load sensor (10) is a force or torque sensor.
7. Kraftfahrzeug nach Anspruch 6, dadurch gekennzeichnet, daß es sich bei dem Kraftoder Drehmomentsensor (10) um einen Piezo- oder optischen Verformungssensor handelt.7. Motor vehicle according to claim 6, characterized in that the force or torque sensor (10) is a piezo or optical deformation sensor.
8. Kraftfahrzeug nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß der Antrieb (4) einen Spindelantrieb (7) umfaßt, wobei eine durch den Motor (5) bewirkte Drehung einer Spindel (16) eine axiale Verschiebung einer Spindelmutter (17) verursacht, die ihrerseits über das Übertragungselement (8) ein Verschwenken mindestens eines der Scharnierbügel (2) der Fahrzeugtür (1) bewirkt und daß der Kraftsensor (10) an dem Übertragungselement (8) befestigt ist.8. Motor vehicle according to one of claims 1 to 7, characterized in that the drive (4) comprises a spindle drive (7), wherein a rotation of a spindle (16) caused by the motor (5) an axial displacement of a spindle nut (17) causes, which in turn causes a pivoting of at least one of the hinge brackets (2) of the vehicle door (1) via the transmission element (8) and that the force sensor (10) is attached to the transmission element (8).
9. Kraftfahrzeug nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß der Belastungssensor (10) am Scharnierbügel (2) oder an einem dem Scharnierbügel (2) benachbarten Teil (8, 16, 17, 20) des Antriebes (4; 4') angeordnet ist.9. Motor vehicle according to one of claims 1 to 7, characterized in that the load sensor (10) on the hinge bracket (2) or on a hinge bracket (2) adjacent part (8, 16, 17, 20) of the drive (4; 4th ') is arranged.
10. Kraftfahrzeug nach Anspruch 1, dadurch gekennzeichnet, daß der Antrieb (4') um seine Längsachse verschwenkbar in einem Träger (23) gelagert ist und über eine Drehmomentstütze (24) auf mindestens einen Drucksensor (10) einwirkt, derart, daß bei Belastung des Scharnierbügels dieser versucht den Antrieb (4') zu verschwenken, so daß die Drehmomentstütze (24) gegen den Drucksensor (10) drückt und dieser ein entsprechendes elektrisches Steuersignal erzeugt. 10. Motor vehicle according to claim 1, characterized in that the drive (4 ') about its longitudinal axis is pivotally mounted in a carrier (23) and acts on a torque arm (24) on at least one pressure sensor (10), such that when loaded of the hinge bracket this tries to pivot the drive (4 ') so that the torque arm (24) presses against the pressure sensor (10) and this generates a corresponding electrical control signal.
EP02735237A 2001-04-10 2002-04-09 Device for automatically actuating a vehicle door Expired - Lifetime EP1379752B1 (en)

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DE10117933 2001-04-10
DE10117933A DE10117933A1 (en) 2001-04-10 2001-04-10 Vehicle with automatically-operable door, has drive unit with sensor detecting given door loading and reporting to electronic controller
PCT/EP2002/003897 WO2002084061A1 (en) 2001-04-10 2002-04-09 Device for automatically actuating a vehicle door

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JP4109121B2 (en) 2008-07-02
DE50213700D1 (en) 2009-09-03
US20040113456A1 (en) 2004-06-17
DE10117933A1 (en) 2002-10-17
WO2002084061A1 (en) 2002-10-24
EP1379752B1 (en) 2009-07-22
US6877791B2 (en) 2005-04-12

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