EP1023511B2 - Schliessvorrichtung, insbesondere für kraftfahrzeuge - Google Patents

Schliessvorrichtung, insbesondere für kraftfahrzeuge Download PDF

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Publication number
EP1023511B2
EP1023511B2 EP98949986A EP98949986A EP1023511B2 EP 1023511 B2 EP1023511 B2 EP 1023511B2 EP 98949986 A EP98949986 A EP 98949986A EP 98949986 A EP98949986 A EP 98949986A EP 1023511 B2 EP1023511 B2 EP 1023511B2
Authority
EP
European Patent Office
Prior art keywords
vehicle
door
antenna
correlated
user
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP98949986A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1023511A1 (de
EP1023511B1 (de
Inventor
Harald Kemmann
Stefan Lange
Andreas Van Den Boom
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7845381&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1023511(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE1997145149 external-priority patent/DE19745149C2/de
Application filed by Huf Huelsbeck and Fuerst GmbH and Co KG filed Critical Huf Huelsbeck and Fuerst GmbH and Co KG
Publication of EP1023511A1 publication Critical patent/EP1023511A1/de
Application granted granted Critical
Publication of EP1023511B1 publication Critical patent/EP1023511B1/de
Publication of EP1023511B2 publication Critical patent/EP1023511B2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
    • 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
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C2009/00753—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys
    • G07C2009/00769—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means
    • G07C2009/00793—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means by Hertzian waves
    • 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

Definitions

  • the invention is directed to a device of the type specified in the preamble of claim 1.
  • this locking device is an access authorization by a running on electromagnetic dialogue between the transmitting and receiving units of an electrical control device in the vehicle on the one hand and one outside the vehicle in the possession of a vehicle user on the other hand determined.
  • the field of application of the invention is directed in particular to motor vehicles, but is also applicable to accesses in security zones or the like.
  • a locking device in which a transmitting and receiving unit is arranged in the vehicle, wherein an antenna and other electronic components are located in the interior of a handle.
  • the vehicle-side transmitting and receiving unit exchanges with a user-side transmitting and receiving unit when approaching signals which are transmitted to a control unit, which unlocks or locks the vehicle with positive identification.
  • a disadvantage of this arrangement is that continuously transmitted data from the vehicle-side transmitting and receiving unit, with a data transfer when approaching the user-side transmitting and receiving unit takes place.
  • this continuous transmission consumes energy, which in particular can then lead to the car battery discharging when the motor vehicle is once not used for a long period of time.
  • a locking device for a motor vehicle in which data is also exchanged between a vehicle-side and a user-side transmitting and receiving unit to the access authorization for Detect vehicle.
  • the antenna is formed integrally with the door handle together with a flexible base plate.
  • a switch is mitbetätigt, whereby the data request for access authorization between the door-side and the user-side transmitting and receiving unit is initialized.
  • it is disadvantageous that first the door handle must be pressed before the data query is started. As a result, it may happen that the door handle is actuated faster than the unlocking process is completed. In this case, the door handle is not unlocked, whereby the door can not be opened by the user yet. The door handle must then be pressed again, which is impractical and means a delay for the user.
  • DE 35 26 547 also describes a locking device for a motor vehicle, in which the access authorization is determined by a data query between a vehicle-side and a user-side transmitting and receiving unit.
  • the antenna is preferably arranged as a heatable wire in the door handle.
  • a switch is provided here, which is also arranged here on a door handle and is operated in the operation of the door handle, whereby the data query between the vehicle-side and user-side transmitting and receiving unit is started.
  • the data query which can lead to the unlocking of the locking device is activated only with the operation of the handle.
  • the Unlocking process is not completed when the door handle operation has already been completed.
  • a data query between a door-side and a user-side transmitting and receiving unit is also provided.
  • the antenna is in this case arranged in the vehicle near the door handle. This makes it necessary to integrate an additional antenna in the vehicle, which means installation and space requirements.
  • the interior of the handle is not used, but in the door area, the antenna must still be arranged.
  • EP 0 570 761 B1 also describes a locking device in which data is exchanged between a vehicle-side receiving device and a user-side transmitter.
  • this transmitter has a power source because the code is changed at certain time intervals. This is problematic if the energy source, such as a battery, once empty, because then a data exchange is no longer possible.
  • the published in the priority interval WO 97/41322 also describes a locking system, which is actuated via a data query between a vehicle-side and a user-side transmitting and receiving unit.
  • an electrode of a capacitive sensor is arranged in the handle, which detects the user's will to operate already before the direct operation of the handle and starts the data query.
  • the antenna is disposed only in the vicinity of the door handle, which in turn requires space and an increased installation effort.
  • the antenna is together with the transmitting and receiving unit in the Near the door handle.
  • the reception and transmission characteristics of such an antenna are unsatisfactory for the dialogue with the user-side data carrier.
  • the installation the antenna and the associated components of the transmitting and receiving unit in the door is cumbersome. The same applies to the replacement of defective elements.
  • an induction coil is mounted in the door of the vehicle in the vicinity of the door handle.
  • the induction coil is connected to a control unit.
  • a transponder is attached to the wrist of the authorized person, similar to a wristwatch.
  • the door handle is connected to a switch that unlocks the vehicle when the door handle is operated.
  • the transponder is powered by the induction coil in the door and then sends out an identification code, which is transmitted inductively to the induction coil and passes from this to the control unit.
  • the control unit confirms the access authorization, the vehicle doors are unlocked.
  • a special place in the door is required for the arrangement of the induction coil and the control unit a special place in the door is required.
  • DE 296 23 461 describes a locking device in which the user carries a transponder with him to determine the access authorization. This transponder must be presented after a predetermined sequence of the antenna or antennas of the vehicle. This is cumbersome and requires the user to have some practice in maintaining this sequence and applying it correctly.
  • US 4,760,394, US 5,134,392, GB 2 317 037 A and JP 10-159 419 disclose a locking device of another type in which the antenna is arranged in the outside mirror. Again, an operation switch can be provided again, which starts the data query between the vehicle-side and the user-side transmitting and receiving unit upon actuation of the door handle. Again, it is again not ensured that the unlocking of the vehicle is completed when the user has fully actuated the door handle.
  • DE 35 13 048 A1 and DE 196 33 894 A1 each describe door handles of vehicles that are provided with electronic components. However, a query of the access authorization by a data transfer between a vehicle-side and a user-side transmitting and receiving unit is not described here.
  • the invention has for its object to develop a closure device referred to in the preamble of claim 1 species, which is easy to assemble and optimized in terms of their effects. This is inventively achieved by the measures mentioned in the characterizing part of claim 1, which have the following special meanings.
  • the electrical control unit is normally switched off.
  • the activation of the control unit is carried out by a sensor which senses the approach of a user or a data carrier, or the operation of the user-side data carrier.
  • This sensor has a capacitive effect and has two electrodes.
  • One electrode is arranged in the handle of the door handle, while the other is formed by the door itself, or is in the door, so that builds up an electrical field between the handle and the door. If a user's hand now intervenes in this electric field, for example to open the door, the capacitance between the two electrodes is changed by the dielectric of the hand and thus becomes sensible.
  • the antenna of the vehicle-side transmitting and receiving unit has a dual function, since it serves both as an antenna and at the same time as the first electrode of the capacitive sensor.
  • the production of the door handle is special cost-effective and the sensing by the capacitive sensor is particularly efficient. It must therefore be pre-assembled only inside the handle, the antenna and the other components. An additional assembly of another electrode is eliminated.
  • the antenna is located in an exposed area of the vehicle, which is responsible for a particularly high electromagnetic sensitivity.
  • the transmission and reception of the electromagnetic signals between the data carrier and the vehicle are optimal.
  • the door handle has the new function of being the carrier of the antenna and other components of the vehicle-side transmitting and receiving unit. An otherwise required space in the vehicle and the installation of associated lines are saved in the invention.
  • the door handle, the antenna and the components form a convenient vorzumontierende unit. With the required anyway attachment of the door handle thus takes the antenna, which also serves as an electrode, already the prescribed position.
  • the locking device according to the invention can be divided into two spatially separated parts, one of which is arranged in the region of the vehicle 10 and others in the region of a data carrier 20.
  • the data carrier 20 is initially outside the vehicle, in the possession of the vehicle user.
  • the basic structure of these device parts is shown in FIGS. 3 and 4.
  • the vehicle 10 comprises a door 11, which in addition to a lock 14 a Door handle 15 has.
  • the door handle 15 itself consists initially of the actual handle 12, which is designed here as a handle bar or as a handle flap.
  • the door 11 may be provided with a recessed grip 13, which belongs to the door handle 15.
  • the lock 14 is reversible between two different positions.
  • a first position of the lock 14 is a so-called “secured position” where the handle 12 is inoperative.
  • the handle 12 In the other position of the lock 14, the handle 12 is effective; upon actuation of the handle 12, the lock is opened. In this case, there is an "unlocked position” of the lock 14.
  • These reversals of the lock 14 are made in the present case centrally from an indicated in Fig. 3 electrical control unit 30 via electrical conductor paths 16, which lead either directly to the various locks 14, as indicated in Fig. 3, or indirectly, first a central locking device reach according to Fig. 5, which controls the locks 14.
  • the control unit 30 has a car battery 17 as the energy store.
  • a sensor is arranged which, in the present case, is capacitively active and 31 in the block diagram of FIG. It is understood that instead of a capacitive sensor 31 sensors of other types could be used. The task of such a sensor 31 is to turn on the normally off control unit 30. One speaks of the "awakening" of the control unit 30.
  • this is done by approaching the hand of the user 40 to the handle 12 of the door handle 15. Between the handle 12 and the door 11, an electric field is constructed in this case. If the hand comes in this area, the capacitance of the dielectric between the two electrodes changes, which is determined by the capacitive sensor 31.
  • This sensor 31 is integrated in the handle 12. This gives the handle 12 a first additional function. However, the sensor 31 could also be integrated in the region of the recessed grip 13, that is to say in the region of the door 11.
  • the vehicle 10 and the person of the vehicle user 40 are first illustrated by dashed-dotted lines.
  • the vehicle user 40 approaches the outside door handle 15, e.g. his hand as shown by the arrow 41 comes very close to the sensor 31, so “wakes” the sensor 31 via the illustrated in Fig. 5 line 36, the electrical control unit 30 in the vehicle 10.
  • the control unit 30 then acts on a vehicle-side transmitting and receiving unit 32 arranged in the region of the door handle 15 via a further electrical line 18, also illustrated in FIG. 3.
  • To this unit 32 includes an antenna 33 which is integrated in the door handle 15 and directed by electromagnetic means indicated by the arrow 37 request to the located outside of the vehicle volume 20. This is done in the present case in a particularly optimal manner by the detail in Fig. 1 and 2 explained particular structure of the handle 12th
  • This inductive antenna 33 is integrated in a rack 42, carries the tracks on which as many components of the transmitting and receiving unit 32 are arranged and interconnected.
  • To this unit 32 include either in the rack 42 or in adjacent components of the vehicle 10 provided amplifier, frequency editing equipment for the carrier frequency, modulators for the above-described transmission signals 37 and demodulators for ie indicated by the arrow 47 in Fig. 5 and to be described in more detail receiving signals.
  • This antenna 33 is thus integrated into the handle 12.
  • the handle 12 initially comprises a bow-shaped base part 44 made of plastic material, to which the rack 42 is mounted.
  • the base part 44 in this case has a receptacle 43 for the antenna 33.
  • a contacting of the various lines in the rack 42 with provided in the base part 44 contact points of power supply lines 45 and the signal lines 36 and / or 16 can be carried out, which continue in the base 44 and automatically contacted when installing the handle 12 in the vehicle 10.
  • a cover 46 as shown in FIG. 1 can be used.
  • the antenna 33 e.g. can be chromium plated, also assumes the function of forming the one electrode of the above-described capacitive sensor 31.
  • the handle 12 in addition to acting as an actuator for the lock 14, also has the two functions taken on the one hand carrier of the antenna 33 and on the other hand to form the electrode of the proximity sensor 31.
  • the antenna function of the handle 12 optimizes the transmission and reception characteristics of the antenna 33 greatly.
  • the sensors and at least some of their control means are advantageously also arranged in the handle 12.
  • the handle 12 with the integrated sensors, electrodes, antennas and other functional parts can be completely prefabricated. If the vehicle owner decides on a particular version of the locking device according to the invention, which is to set the electrical control unit 30 effectively on the capacitive path, then only the specific, desired handle 12 needs to be selected and contacted at the predetermined pathways in the vehicle 10. The latter can, as already mentioned, simply happen by the proper installation of the handle 12 by itself.
  • the data carrier 20 has the structure recognizable from the scheme of FIG. 4.
  • the above-described request 37 of FIG. 5 is received via an antenna 23 provided there and forwarded to a transmitting and receiving unit 22 located there, which is analogous to that 32 in the vehicle 10.
  • the unit 22 then takes data from a data memory 24 in the data carrier 20 and forwards them via the antenna 23 to the vehicle, which is illustrated by the response arrow 47 in FIG. 5.
  • a power supply 25 can of course serve a battery.
  • the power supply can also be done by induction of the components 10 located in the vehicle.
  • an internal energy source 25 this can also be charged by the antenna 33 in the vehicle 30 to the extent that at least one actuation of the lock 14 is possible. Such a charging of the power supply 25 can perform the antenna 33 itself, which is why this then has a further third function. For this emergency charge of the energy source in the data memory 20, it is sufficient to bring the data memory 20 close to the vehicle-side antenna 33.
  • the response 47 received by the door handle side antenna 33 is transmitted from the vehicle-side transmitting and receiving unit 32 via an electrical line 19, which is also shown in Fig. 3, to the control unit 30, where it is evaluated.
  • control unit 30 determines the authorization of the user 40 on the basis of the dialogue 37, 47 between the vehicle 10 and the data carrier 20, a corresponding control pulse is applied directly to the various locks 14 or to the locks 14 via the electrical pathways 16 already mentioned Central locking device 35 given. If the locks 14 were previously in the secure position already described, they are now transferred by the control pulse via 16 in their unlocked position. If now user, as illustrated in the block diagram of Fig. 5 by the arrow 21, the handle 12 is actuated, as is illustrated by the action arrow 27 in the diagram of Fig. 5, mechanically and / or electrically the relevant door lock 14th reversed. The associated door can be opened via the handle 12.
  • the data carrier 20 can be part of a keyless access authorization, which is also referred to in the technical language as a "passive entry".
  • a keyless access authorization which is also referred to in the technical language as a "passive entry”.
  • the data carrier 20 in Fig. 5 is still provided with a so-called panic button 28, which is then actuated by the user 40 when the closing or opening functions on the vehicle 10, which were triggered, should be interrupted immediately.
  • Actuation of the panic button 28 causes a high frequency signal, indicated by the arrow 29 in the block diagram of FIG.
  • the high-frequency receiver in the vehicle 10 could also be provided in the region of the door handle 15, an HF receiver 34 arranged elsewhere in the vehicle 10 is used in this case.
  • the RF receiver 34 directly activates the controller 30 for which electrical leads are provided.
  • Other electrical lines serve the received high frequency data, as illustrated by the dashed arrow 49.
  • control commands coming via the lines 16 or 27 to the lock 14 or to the central locking device 35 can act directly on the electric actuator of the lock 14. But you can also use a so-called bus system for the control commands, where coded control commands are performed in a unified management system, which are recognized and followed due to their coding of the various aggregates.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Lock And Its Accessories (AREA)
EP98949986A 1997-10-14 1998-09-03 Schliessvorrichtung, insbesondere für kraftfahrzeuge Expired - Lifetime EP1023511B2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE1997145149 DE19745149C2 (de) 1996-04-27 1997-10-14 Schließsystem, insbesondere für Kraftfahrzeuge
DE19745149 1997-10-14
PCT/EP1998/005597 WO1999019585A1 (de) 1997-10-14 1998-09-03 Schliessvorrichtung, insbesondere für kraftfahrzeuge

Publications (3)

Publication Number Publication Date
EP1023511A1 EP1023511A1 (de) 2000-08-02
EP1023511B1 EP1023511B1 (de) 2004-03-24
EP1023511B2 true EP1023511B2 (de) 2007-04-11

Family

ID=7845381

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98949986A Expired - Lifetime EP1023511B2 (de) 1997-10-14 1998-09-03 Schliessvorrichtung, insbesondere für kraftfahrzeuge

Country Status (7)

Country Link
US (1) US6768413B1 (ja)
EP (1) EP1023511B2 (ja)
JP (1) JP4337075B2 (ja)
BR (1) BR9813042A (ja)
DE (1) DE59811066D1 (ja)
ES (1) ES2214737T3 (ja)
WO (1) WO1999019585A1 (ja)

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DE102019113130A1 (de) * 2019-05-17 2020-11-19 Witte Automotive Gmbh Türgriffanordnung
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JP4098215B2 (ja) 2003-10-29 2008-06-11 アイシン精機株式会社 車両用人体検出装置
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DE59811066D1 (de) 2004-04-29
JP4337075B2 (ja) 2009-09-30
JP2001520337A (ja) 2001-10-30
WO1999019585A1 (de) 1999-04-22
US6768413B1 (en) 2004-07-27
BR9813042A (pt) 2000-08-15
ES2214737T3 (es) 2004-09-16
EP1023511B1 (de) 2004-03-24

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