EP1902189A1 - Systeme de poignee - Google Patents

Systeme de poignee

Info

Publication number
EP1902189A1
EP1902189A1 EP06777490A EP06777490A EP1902189A1 EP 1902189 A1 EP1902189 A1 EP 1902189A1 EP 06777490 A EP06777490 A EP 06777490A EP 06777490 A EP06777490 A EP 06777490A EP 1902189 A1 EP1902189 A1 EP 1902189A1
Authority
EP
European Patent Office
Prior art keywords
handle device
sensor
sensor element
outer shell
cavity
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
EP06777490A
Other languages
German (de)
English (en)
Other versions
EP1902189B1 (fr
Inventor
Manfred Rohlfing
Stefan Neuhoff
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.)
Huf Huelsbeck and Fuerst GmbH and Co KG
Original Assignee
Huf Huelsbeck and Fuerst 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 Huf Huelsbeck and Fuerst GmbH and Co KG filed Critical Huf Huelsbeck and Fuerst GmbH and Co KG
Publication of EP1902189A1 publication Critical patent/EP1902189A1/fr
Application granted granted Critical
Publication of EP1902189B1 publication Critical patent/EP1902189B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
    • E05B85/10—Handles
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/54—Electrical circuits
    • E05B81/64—Monitoring or sensing, e.g. by using switches or sensors
    • E05B81/76—Detection of handle operation; Detection of a user approaching a handle; Electrical switching actions performed by door handles
    • E05B81/78—Detection of handle operation; Detection of a user approaching a handle; Electrical switching actions performed by door handles as part of a hands-free locking or unlocking operation
    • 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
    • Y10T292/00—Closure fasteners
    • Y10T292/57—Operators with knobs or handles
    • 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
    • Y10T70/00—Locks
    • Y10T70/50—Special application
    • Y10T70/5889—For automotive vehicles
    • Y10T70/5973—Remote control

Definitions

  • the invention relates to a handle device for a vehicle door with a at least on the vehicle door side facing away from a metal layer having outer shell and a cavity in which a sensor system for keyless activation of locking and unlocking system is arranged. It is understood that instead of the vehicle door, a tailgate or a trunk lid is to be understood.
  • the relevant control unit starts a data exchange with the data carrier and in this way compares the data supplied by the data carrier with the identification data stored in the electrical control unit.
  • An operator who wants to enter does not have to have a suitable key for a locking cylinder anymore. Rather, his operator-specific data carrier keylessly unlocks the relevant motor vehicle (keyless entry).
  • DE 196 17 038 C2 proposes a capacitive sensor which has at least one electrode which is integrated as a capacitive sensor in the grip device, wherein a second electrode of the capacitive Sensor in the region of the handle device is arranged on the door side as part of the door panel construction.
  • a capacitor is provided by the two electrodes, on the one hand in the handle device, on the other hand, in the door panel, whose capacity changes when a human hand is inserted between the two electrodes. Because by this process varies the relative constant of electricity of the capacitor formed and thus its capacity, which in turn can be measured and evaluated for triggering the data query.
  • DE 196 17 038 C2 proposed in the outer shell of the handle device second sensor. It has been found that in the case of gripping devices which, in particular on their surface, have a metal layer which can serve as a decorative surface, malfunctions occur. That means that below the metal layer Positioned sensor system can not be reliably activated in some cases, which is associated with a non-activation of the locking and unlocking system. This is not understandable for the operator concerned.
  • the invention aims to provide a total remedy.
  • the invention provides that the outer shell has a metal-free surface, which is associated with a sensor system arranged in the sensor element, which is designed as a contact and / or proximity sensor.
  • a sensor system arranged in the sensor element, which is designed as a contact and / or proximity sensor.
  • the first sensor element is aligned with the free surface.
  • the existing free surface ensures reliable operation with respect to the keyless activation of the locking and unlocking system via the sensor system, in particular via the first sensor element.
  • the user may address the first sensor element with his or her hand by approaching the clearance surface, by passing or touching (with or without pressure) the free surface, thereby effecting, for example, a closing operation of the vehicle door.
  • the free surface at the same time has the function of an activation surface, which can be designed in a possible embodiment color so that the user recognizes this surface unambiguously as an activation surface for a locking and unlocking.
  • this free surface substantially as large as a thumb.
  • the user reaches for the handle device and at the same time touches the activation surface, which passes through the free surface is formed.
  • the rest of the outer shell may be provided with a metal layer, without affecting the operation of the sensor system, in particular of the first sensor element.
  • the sensor system is accommodated by a module unit which completely surrounds the sensor system.
  • This modular unit which is preferably made of a plastic, at the same time protects the sensor system against any damage during assembly in the handle device or during continuous operation.
  • the first sensor element is connected to a circuit board, which is embedded protectively in the module unit.
  • the module unit extends into the cavity of the handle device and closes at least on one side of the cavity.
  • the module unit is a kind of slide-in container, in which the electronics of the sensor system is included.
  • the gripping device which is made as an injection molded part made of plastic, in particular by a gas-assisted molding and is preferably thin-walled, has an opening on one side, through which the module unit is guided during assembly. On the opposite side, an opening can also be made on the grip device, through which, for example, the sensor system is in data exchange with the vehicle via data lines.
  • the modular unit of the cavity contour is adapted, so that in the inserted state, the module unit rests with its outer wall on the inner wall of the cavity.
  • the module unit positioned within the handle device may fill only a portion of the cavity or, in another embodiment of the invention, may occupy substantially the volume of the entire cavity. It is particularly advantageous that the sensor system can be easily installed in a short time in the grip device, wherein the modular unit simultaneously closes the cavity of the handle device on one side reliably.
  • the free surface may be formed as a recess which is executed on the side facing away from the vehicle door of the outer shell. If the module unit inserted within the cavity, is at least one area of the module unit is open to the user. In a preferred alternative, the free surface is arranged on the side facing away from the door of the handle device, so that the module unit is visible on the recess for the user. In this visible region, which is referred to below as the activation region, the first sensor element is arranged in a preferred embodiment of the grip device.
  • the activation region whose shape is adapted to the recess, received by the recess. This means that the contour of the recess is substantially adapted to the activation area. It is particularly advantageous that, in addition to the sensor system, the module unit simultaneously has the activation region, as a result of which the object according to the invention is simplified.
  • the surface of the activation region can be arranged flush with the outer shell.
  • the first sensor element is expediently positioned at a small distance from the surface of the activation region, wherein the first sensor element may be formed as a capacitive sensor and / or a Hall sensor and / or as a piezoelectric sensor. This means that the first sensor element may consist of one or at the same time of several sensors.
  • the activation area countersunk in the recess.
  • the surface of the activation area is recessed to the surface of the outer shell of the grip device. With this recessed positioning, the first sensor element, in the case of a touch sensor, is protected against unconscious and unintended operation on the part of the user.
  • the first sensor element can immediately effect a locking and unlocking operation of the vehicle door by a corresponding activation.
  • a security check is first initiated, which checks whether the user is entitled to a closing or Opening operation of the vehicle door to perform.
  • Such checking devices are described, for example, in DE 103 31 440 A1 or in DE 196 17 038 C2.
  • the capacitive sensor operating as a proximity sensor has a response distance that is less than 30 cm, preferably less than 15 cm, more preferably less than 5 cm, and most preferably less than 1 cm.
  • the deliberately low selected response distance has the purpose that an activation of the capacitive sensor takes place only by a deliberate approach of the user's hand in the vicinity of the activation surface.
  • the essential part of the capacitive sensor is a capacitor whose capacitance increases when approaching an object (for example, the user's hand). This change can be used as a measure of, for example, the distance of the object from the sensor. In this case, the capacitance between a measuring electrode and an electrical ground can be measured.
  • the mass can be formed by an electrode, by the sensor housing or by the environment.
  • an electronics which perceives the change in capacity and translates in a command pulse, space-saving added within the handle device, in particular by the module unit in the sensor system.
  • the command pulse generated by this electronics for example, cause immediate locking and unlocking of the vehicle doors.
  • this command pulse trigger a verification process, to what extent the user is authorized to trigger an activation of the locking and unlocking system.
  • the first sensor element is designed as a piezosensor
  • activation takes place via contact with the activation surface.
  • the piezoelectric sensor generates under load by a tensile force, pressure force or a thrust force a shift in its electrical charge and thus at the terminal electrodes, an electrical voltage. In this case, even small forces are sufficient in order to start an activation of the locking and unlocking system via the piezoelectric sensor.
  • other types of sensors for this above-mentioned use can be used, for example in the form of a Hall sensor.
  • the outer shell may be formed with a stop surface against which the activation area abuts.
  • This stop surface can also serve as an assembly aid, wherein the installer notices the correct installation position (installation depth) of the module unit within the handle device when the module unit rests against the stop surface.
  • locking elements may be formed on the inner surface of the cavity, which ensure a reliable hold of the module unit.
  • the sensor system preferably comprises a second sensor element facing the vehicle door, which is embodied, for example, as a capacitive sensor.
  • This second sensor element can be designed such that it allows the authorized user of the vehicle in a comfortable and easy way to access the vehicle. In this case, only the user has to reach into the grip device with his hand, wherein the hand simultaneously addresses the second sensor element, whereby a signal is generated, which is forwarded to an electrical control unit.
  • the control unit triggers an access control method already described above.
  • the second sensor element is also connected to the circuit board, which is already in contact with the first sensor element.
  • the module unit can be positively and / or non-positively and / or firmly attached to the outer shell.
  • the module unit is connected via a screw connection with the outer shell. If an exchange of the module unit is necessary, the module unit can be removed from the cavity of the handle device by loosening the screw without much installation effort.
  • the modular unit can be laser-welded to the outer shell.
  • a further advantageous embodiment provides that a shielding element is arranged in the module unit such that the first sensor element lies substantially between the surface of the activation region and the shielding element.
  • the shielding member may be, for example, a plate-shaped body made of a metal or a plastic film with a metal coating or a metal foil.
  • the shielding element has the task of effectively preventing a disturbance of the first sensor element by fields arising, for example, from the second sensor element.
  • the shielding element can take on various three-dimensional shapes, for example, it can be designed plan or be arranged like a bowl below the first sensor element.
  • the module unit is configured T-shaped on the side having the first sensor element and closes the cavity at this point.
  • This T-shaped head region of the modular unit is preferably arranged outside the cavity and at the same time bears directly against the wall of the outer shell.
  • the head region comprises the activation region with the first sensor element, which is received through the recess.
  • a foot region extends through the opening of the cavity and fills it at least partially.
  • the circuit board is received with the second sensor element.
  • the foot region and the head region are preferably connected to one another in one piece. A reliable attachment of the module unit to the handle device can alternatively be achieved in that the module unit has a snug fit in the region of the opening of the cavity.
  • a further alternative of the invention provides that the sensor system is mounted in the cavity such that the surface of the activation region is located within the cavity and abuts against the inner wall of the outer shell, wherein at the same time above the activation region on the outer wall of the outer shell, the free surface is arranged.
  • the activation region with the first sensor element is thus covered by the wall of the outer shell.
  • the locking function described above may also include in the present invention, a comfort locking function, which causes an automatic locking of all vehicle doors and closing all other open vehicle openings.
  • a comfort locking function which causes an automatic locking of all vehicle doors and closing all other open vehicle openings.
  • vehicle openings here in particular window, sunroof and soft top come into question.
  • the comfort closing function can be started, for example, by a long pressure on the activation area.
  • the present gripping device relates to various motor vehicle handles, such as pull handles, folding handles or revolver grips.
  • FIG. 2 shows a plan view of the vehicle handle illustrated in FIG. 1,
  • FIG. 3 shows a sectional view according to the section line III-III according to FIG. 2,
  • FIG. 4 shows a possible embodiment of a handle device of a vehicle door with a modular unit which has a shielding element below the first sensor element
  • FIG. 5 shows a further embodiment of the grip device
  • FIG. 6 shows a further embodiment alternative of the grip device
  • Figure 7 shows a handle device, wherein the module unit completely within the
  • Figure 8 shows an additional alternative of the handle device
  • Figure 9 is a simplified schematic representation of the United and
  • FIG. 1 shows a handle device 1 which has an open surface 7 on its outer shell 4.
  • the free surface 7 is formed as a recess, which is designed on the outer shell 4.
  • the free surface 7 is designed on the side of the handle device 1 facing away from the vehicle door 2.
  • the outer shell 4 is in the present embodiment, an injection molded part made of plastic, which has a cavity 5 in the interior.
  • the thin-walled outer shell 4 has a side facing away from the vehicle door 2, a metal layer 3, which is a chromium layer in the illustrated embodiment.
  • the chromium layer may in this case have a thickness of 30 .mu.m to 1 mm, preferably 100 .mu.m to 800 .mu.m, and more preferably from 300 .mu.m to 600 .mu.m.
  • the grip device 1 further comprises a sensor system 6a, 6b, 6c for the keyless activation of a locking and unlocking system, which is shown schematically in FIG.
  • the sensor system 6a, 6b, 6c has a first sensor element 6a, which is assigned directly to the free surface 7.
  • the sensor system 6a, 6b, 6c is received in the present embodiment by a module unit 11 which completely surrounds the sensor system 6a, 6b, 6c.
  • the module unit 11 has an activation region 8, in which the first sensor element 6a is arranged.
  • the sensor element 6a in this case has a distance to the surface of the activation region 8, which may be in a range between 0.5 mm and 2 mm.
  • the first sensor element 6a is designed as a capacitive sensor which is connected to a circuit board 6c.
  • the circuit board 6c is furthermore in contact with a second sensor element 6b, which is arranged on the side of the grip device 1 facing the vehicle door 2.
  • This second sensor element 6b is also designed as a capacitive sensor.
  • the first sensor element 6a operates as a kind of point sensor, the second sensor element 6b being designed as an area sensor.
  • both sensor elements 6a, 6b can be supplemented or replaced by further sensor elements, for example piezosensors, Hall sensors or reed sensors.
  • the module unit 11 extends with its foot region into the cavity 5 of the gripping device 1 and the activation region 8 extends outside of the gripping device 1 Cavity 5 is received through the recess of the outer shell 4.
  • the area of the module unit 11 which is located outside the cavity 5 and which is also referred to below as the head area, has a further sensor 18, which is a Hall sensor 18.
  • the head region of the module unit 11 is spaced apart from a closing cylinder part 17, which likewise comprises a Hall element 17 on the side facing the head region.
  • the lock cylinder part 17 is further provided with a lock cylinder in which a key can be mechanically inserted to manually trigger a closing or unlocking operation on the vehicle door 2.
  • the lock cylinder part 17 is likewise provided with a chromium layer 3 on the side facing away from the vehicle door 2.
  • the facing surfaces of the lock cylinder part 17 and the head portion of the module unit 11, however, are chromium-free. The distance between these two surfaces is about 1 mm in the present embodiment.
  • the modular unit 11 is T-shaped at the right-hand opening of the cavity 5 and closes the cavity 5 at this right-hand side of the opening. In the lower region of the head region of the modular unit 11, this is connected by a screw connection to the outer shell 4, which is indicated by the screw axis 19 shown in the drawing.
  • the outer shell 4 is formed on its free surface 7 with a stop surface 9, to which the activation region 8 rests directly. As shown in Figure 2 and Figure 3, the free surface 7 is disposed at the edge region of the handle device 1, wherein the free surface 7 is designed to be open on one side.
  • the surface of the activation area 8 is correspondingly colored.
  • the surface of the activation region 8 may have a black color, whereas, on the other hand, the remaining outer region of the outer shell 4 has a silvery chromium layer.
  • the contour of the free surface 7 corresponds in the example shown essentially a thumb tip. Other alternative geometric shapes of the free surface 7 are also possible.
  • the first sensor element 6a is provided only for a closing operation of the motor vehicle door 2.
  • the second Sensor element 6b is electronically set up for an opening process. If, for example, the user's hand approaches the free surface 7, the capacitive sensor in the activation region 8 is addressed without contact at a distance of about 1 cm, whereby a closing operation of the locking and unlocking system of the motor vehicle is performed.
  • the unlocking of the motor vehicle door 2 takes place in such a way that the user's hand has to guide into the handle device 1 on the side of the outer shell 4 facing the vehicle door 2, so that the second sensor element 6b is activated by the piezo effect, whereupon a signal is emitted an electric control unit 20, which is shown in Figure 9, is discharged.
  • such a signal triggers a data query of a user-side data carrier 21, which forwards the electrical control unit 20 to a plurality of transmitting and receiving units 22, which transmits the data query electromagnetically to the data carrier 21.
  • the data carrier 21 is here at the user, wherein the data carrier 21 may be integrated, for example, in the key or is designed as a kind of smart card, which carries the user with him.
  • the data carrier 21 also has not shown transmitting / receiving devices, which then send identification data signals to the motor vehicle side transmitting / receiving devices 22, which are passed in the connection to the control unit 20.
  • the inside of the handle device 1 which faces the vehicle door 2, also designed metall legilos.
  • the control unit 20 is connected to the sensor system 6a, 6b, 6c via printed conductors 15.
  • a wireless connection between these components is also conceivable.
  • the aforementioned sensor elements 6a, 6b can communicate with the control unit 20, for example, via a radio link.
  • a connection based on a BlueTooth system is also conceivable.
  • FIG. 4 shows a further alternative of the gripping device 1 according to FIGS. 1-3.
  • the activation region 8 lying outside the cavity 5 has below the first sensor element 6a shielding element 12, which consists of a plastic film with a metal coating.
  • the shielding element 12 is formed in an oval shape, so that the first sensor element 6a is effectively shielded by any electric fields which may arise, for example, by the second sensor element 6b.
  • the modular unit 11 has at its free end of the foot region, which faces away from the head region, data lines 15, which are connected to the control unit 20. As is clear from FIG. 4, the module unit 11 only partially fills the cavity 5.
  • FIG. 5 shows a partial section of the handle device 1 is shown, which consists essentially of the handle device 1 of Figures 1-4.
  • the essential difference is that the activation region 8 is positioned sunk in the recess 7.
  • the shielding element 12 in this embodiment has two wall elements which are aligned at an obtuse angle to each other. Furthermore, it is also possible to project the activation region 8 of the head region of the module unit 11 out of the outer surface of the grip device 1, which is shown schematically in FIG.
  • the modular unit 11 can be arranged in its entirety within the cavity 5, which is shown by way of example in FIG.
  • the first sensor element 6a is arranged, which is arranged on the opposite side of the vehicle door 2.
  • the metal layer 3 is applied on the surface of the outer shell 4, the metal layer 3 is applied.
  • the outer wall 14 immediately above the first sensor element 6a - which at the same time represents the free surface 7 - according to the invention is designed without metal sheath to ensure reliable operation of the first sensor element 6a.
  • the modular unit 11 On the side facing the vehicle door 2, the modular unit 11 has the second sensor element 6b, which is embodied as a type of surface sensor at the edge region of the modular unit 11.
  • a snug fit connection of the module unit 11 within the cavity 5 is also conceivable.
  • the module unit 11 is also located, as in Figure 7, completely within the cavity 5, wherein the module unit 11 is formed with a comparable head portion of the embodiments of Figures 1-6.
  • the modular unit 11 is embodied substantially L-shaped, wherein the activation area 8 rests with the first sensor element 6a against a stop surface 9 arranged within the outer shell 4.
  • the module unit 11 has, in contrast to the other embodiments, no second sensor element.
  • the handle devices 1 described may comprise sensor elements 6a, 6b, which may be designed as contact and / or proximity sensors.
  • Handle device Vehicle door Metal layer, chromium layer Outer shell Cavity a Sensor system, first sensor element b Sensor system, second sensor element c Sensor element, board Free surface Activation area Stop surface 0 Surface of the activation region 1 Module unit 2 Shielding element 3 Inner wall of the cavity 4 Outside wall of the outer shell 5 Data line 6 Motor vehicle 7 Locking cylinder part 8 Hall sensor 9 Screw axis 0 Control unit 1 Data carrier 2 Transmitting and receiving unit

Landscapes

  • Lock And Its Accessories (AREA)
  • Power Steering Mechanism (AREA)
  • Harvester Elements (AREA)
EP06777490A 2005-07-04 2006-06-27 Systeme de poignee Not-in-force EP1902189B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005031441A DE102005031441A1 (de) 2005-07-04 2005-07-04 Griffvorrichtung
PCT/EP2006/063597 WO2007003534A1 (fr) 2005-07-04 2006-06-27 Systeme de poignee

Publications (2)

Publication Number Publication Date
EP1902189A1 true EP1902189A1 (fr) 2008-03-26
EP1902189B1 EP1902189B1 (fr) 2009-06-24

Family

ID=37081665

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06777490A Not-in-force EP1902189B1 (fr) 2005-07-04 2006-06-27 Systeme de poignee

Country Status (7)

Country Link
US (1) US8454062B2 (fr)
EP (1) EP1902189B1 (fr)
KR (1) KR20080038327A (fr)
CN (1) CN101218406B (fr)
AT (1) ATE434702T1 (fr)
DE (2) DE102005031441A1 (fr)
WO (1) WO2007003534A1 (fr)

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KR20080038327A (ko) 2008-05-06
DE502006004075D1 (de) 2009-08-06
DE102005031441A1 (de) 2007-01-11
EP1902189B1 (fr) 2009-06-24
US8454062B2 (en) 2013-06-04
US20080314097A1 (en) 2008-12-25
WO2007003534A1 (fr) 2007-01-11
CN101218406B (zh) 2011-07-06
CN101218406A (zh) 2008-07-09
ATE434702T1 (de) 2009-07-15

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