EP0929727A1 - Dispositif de fermeture - Google Patents

Dispositif de fermeture

Info

Publication number
EP0929727A1
EP0929727A1 EP97941864A EP97941864A EP0929727A1 EP 0929727 A1 EP0929727 A1 EP 0929727A1 EP 97941864 A EP97941864 A EP 97941864A EP 97941864 A EP97941864 A EP 97941864A EP 0929727 A1 EP0929727 A1 EP 0929727A1
Authority
EP
European Patent Office
Prior art keywords
electronics
lock
antenna
transponder
locking device
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
EP97941864A
Other languages
German (de)
English (en)
Other versions
EP0929727B1 (fr
Inventor
Peter Hauler
Dieter Schramm
Stephan Schmitz
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0929727A1 publication Critical patent/EP0929727A1/fr
Application granted granted Critical
Publication of EP0929727B1 publication Critical patent/EP0929727B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B77/00—Vehicle locks characterised by special functions or purposes
    • E05B77/46—Locking several wings simultaneously
    • E05B77/48—Locking several wings simultaneously by electrical means
    • 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
    • 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
    • G07C9/00944—Details of construction or manufacture
    • 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
    • G07C2009/00507—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 keyless data carrier having more than one function
    • G07C2009/00523—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 keyless data carrier having more than one function opening of different locks separately
    • 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

Definitions

  • the invention relates to a locking device for a motor vehicle. From DE-OS 44 22 906 a method for operating a locking system for lockable objects is known which describes the data exchange between a key module and a lock module.
  • the lock module consists of a receiving unit that detects the signals of the key module, an evaluation unit and a control unit that performs the opening or closing process of the vehicle door.
  • the receiving unit and control unit are housed spatially separated from one another.
  • the invention has for its object to optimize a lock module for locking or unlocking a motor vehicle door in terms of safety and manufacturing technology.
  • the object is achieved by the features specified in the independent claims.
  • a control device communicates with a lock module via a bus system.
  • Broadcast and Receiver electronics of an antenna and a lock electronics access common bus electronics. These components are structurally integrated in a housing for the lock module. If the lock module is housed in a motor vehicle door, its components are extreme
  • the housing offers the sensitive electronic components adequate protection against adverse environmental influences as well as against hostile attacks. Since bus electronics are responsible for both the antenna electronics and the lock electronics, the wiring effort can be reduced. Thanks to the high level of integration of the components, connectors can also be saved. Corresponding signals of the bus system trigger a control of the lock mechanism for locking or unlocking, in particular a motor vehicle door, through the lock module. This makes targeted manipulation from the outside difficult, since an encrypted bus protocol has to be simulated and the application of the supply voltage alone is not sufficient to open or close the
  • the structural integration of the components in a lock module allows for quick assembly. Operating states of the individual electronic components can be recorded and evaluated with the help of the bus system without additional wiring.
  • the lock module can be designed for several vehicle types, which is why increasing numbers result in cost reductions.
  • the lock module is electrically connected to an antenna via an antenna connection.
  • the antenna can be individually adapted to the vehicle type.
  • a lock module is accommodated in each door of the motor vehicle, all lock modules being networked by the bus system.
  • An identical lock module for all doors of the motor vehicle reduces the number of parts.
  • this variant allows the receiving electronics to determine the relative position of the user to the respective door.
  • the networking of the lock modules through the bus system makes it possible to specifically unlock or lock several doors.
  • a signal state of a switch is supplied to the lock module.
  • this signal state can be passed on to the control device via the bus system, which initiates an opening or closing process, for example, depending on the signal state.
  • the adjustment drive is controlled in an encrypted manner.
  • Theft protection can be increased by this measure, since the application of the supply voltage to the adjustment drive alone does not lead to the locking mechanism being opened.
  • a method for opening a locking device provides that in a first step a signal to initiate an opening process is generated, that in a second step, depending on the signal, an antenna is driven which sends a command to a transponder, that in a third step the transponder generates a response and sends it to the antenna, and that in a fourth step, the lock mechanism is controlled depending on the answer.
  • An unlocking process is possible without using a key.
  • the data exchange between the transponder and antenna prevents unauthorized opening, since the lock mechanism is only activated if the response of the transponder matches the expected one.
  • the opening process is initiated mechanically.
  • Triggering the opening process when a door handle is actuated increases the ease of use, since the conventional unlocking of the lock can be omitted.
  • FIG. 1 shows a basic arrangement option in a motor vehicle
  • FIG. 2 shows a block diagram of an exemplary embodiment
  • FIG. 3 shows a flow chart as an exemplary embodiment of a method according to the invention.
  • Lock modules 19a to 19e are accommodated in a motor vehicle 10 and are connected to each other and to a control unit 11 by a bus system 12. Located outside of the motor vehicle 10 a transponder 13 that exchanges data with the lock module 19. The lock module 19 is through a bus connection
  • Signal state 33 of a switch 32 is the bus electronics
  • the lock electronics 26 emits a signal to an adjustment drive 30, which actuates a lock mechanism 31 for locking or unlocking a lock.
  • a CAN bus for example, is used in a motor vehicle as the lock modules 19a to 19e and the bus system 12 which networks the control device 11.
  • the lock modules 19a to 19e are used in a motor vehicle as the lock modules 19a to 19e and the bus system 12 which networks the control device 11.
  • the transponder 13 exchanges signals with the antenna 28. These can be electromagnetic waves in the high-frequency range or infrared signals. An example designed as a plug connection
  • Antenna connection 27 establishes an electrically conductive connection between antenna 28 and antenna electronics 23 through housing 20. If the bus system 12 transmits a transmission command to the transmission electronics 24 via the bus electronics 22, the transmission electronics 24 controls the antenna 28 accordingly. On the other hand, if the antenna 28 receives a signal, the receiving electronics 25 converts it into a data format which, for example, the control unit 11 can evaluate after the data transmission.
  • the adjustment mechanism 30, which actuates the lock mechanism 31 for the purpose of locking and unlocking, in particular a door, can be designed as an electric drive.
  • the lock electronics 26 supplies the adjustment drive 30 with the desired energy over a certain period of time. Encrypted control of the adjusting drive 30 is also possible.
  • the control unit 11 generates the encrypted adjustment command, which is decrypted by special electronics integrated in the adjustment drive 30.
  • the lock electronics 26 can be different
  • the exemplary embodiment is not limited to electrical adjusting drives 30, and a pneumatic influencing of the lock mechanism 31 is also possible.
  • the switch 32 can be operated, for example, via a door handle.
  • the bus electronics 22 detects the signal state 33 and communicates it to the control unit 11.
  • FIG. 3 describes a possible opening process.
  • a "initiate opening" signal is to be generated, step 101.
  • a driver who wants to open or unlock the motor vehicle 10 actuates the switch 32 via a door handle.
  • the bus electronics 22 detects the change in the signal state 33 and shares it it via the bus system 12 to the control unit 11.
  • the change in the signal state 33 triggers a command procedure in the control unit 11 to initiate the opening process described below.
  • a further possibility of generating a signal in accordance with step 101 is that the transponder 13 sends a signal to the antenna 28.
  • the receiving electronics 25 evaluates this and informs the control unit 11 that a signal of the transponder 13 has been received, if the transmitted transponder signal matches the signal expected by the control unit 11, starts the opening process.
  • a command is sent to the transponder 13.
  • Different strategies can be used as to which antenna 28 of the lock modules 19a to 19e should send the command to the transponder 13.
  • a first variant provides that the antenna 28 of the lock module 19 transmits to which the signal "initiate opening" is assigned.
  • the control unit 11 makes a decision based on an algorithm stored there, which lock module 19 with a send command
  • a further alternative is that all antennas 28 of the lock modules 19a to 19e send the command to the transponder 13.
  • the transponder 13 receives the command which triggers a procedure to send a response, step 103.
  • the transponder 13 provides the response depending on the command sent, on the response generation procedure stored in the transponder 13 and possibly on a vehicle-specific key word is ready and sent, the antenna 28 of the lock module 19 receives the response, which is evaluated by the receiving electronics 25 and sent to the bus system 12 is given.
  • the lock mechanism 31 is activated depending on the answer, step 104.
  • An additional security question checks the answer whether it matches the expected one. If this is not the case, the opening process is prevented. If the answer is admissible, the control unit 11 decides which lock modules 19 the opening command is transmitted to.
  • Several options are possible. In a first variant, only the lock module 19 of the driver's door receives the opening command, while in a second variant it is sent to all lock modules 19a to l9e.
  • the bus system 12 transmits the opening command from the control unit 11 to the bus electronics 22, which sends this to the lock electronics 26 passes on.
  • the lock electronics 26 converts the command into corresponding control signals for the adjustment drive 30, which then actuates the lock mechanism 31 in the sense of an opening process.
  • a third variant it is provided that only the lock module 19 in the sense of a
  • Opening is controlled, which has received the response of the transponder 13.
  • the method is particularly suitable for operating the locking device described at the beginning.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Manufacturing & Machinery (AREA)
  • Lock And Its Accessories (AREA)

Abstract

L'invention concerne un dispositif de fermeture (10) pour automobile, comprenant un mécanisme de serrure (31) pouvant être actionné par un mécanisme de déplacement (30) auquel est associé un système électronique de serrure (26). Le dispositif de fermeture comprend en outre une antenne (28) pouvant être actionnée par un système électronique émetteur (24) et/ou un système électronique récepteur (25), un transpondeur (13) qui échange des données avec l'antenne (28), un appareil de commande (11) qui est connecté par un système de bus (12) par l'intermédiaire d'un système électronique de bus (22) avec le système électronique émetteur (24) et/ou le système électronique récepteur (25) et/ou le système électronique de serrure (26). Le système électronique de bus (22), le système électronique émetteur (24) et/ou le système électronique récepteur (25) et/ou le système électronique de serrure (26) sont intégrés sur le plan structural dans le boîtier (20) pour former un module de serrure (19) et ce dernier (19) présente une connexion (21) pour le système de bus (12).
EP97941864A 1996-09-27 1997-08-27 Dispositif de fermeture Expired - Lifetime EP0929727B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19639896 1996-09-27
DE19639896A DE19639896A1 (de) 1996-09-27 1996-09-27 Schließvorrichtung
PCT/DE1997/001937 WO1998013566A1 (fr) 1996-09-27 1997-08-27 Dispositif de fermeture

Publications (2)

Publication Number Publication Date
EP0929727A1 true EP0929727A1 (fr) 1999-07-21
EP0929727B1 EP0929727B1 (fr) 2002-07-17

Family

ID=7807170

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97941864A Expired - Lifetime EP0929727B1 (fr) 1996-09-27 1997-08-27 Dispositif de fermeture

Country Status (5)

Country Link
EP (1) EP0929727B1 (fr)
AU (1) AU4376097A (fr)
DE (2) DE19639896A1 (fr)
ES (1) ES2183214T3 (fr)
WO (1) WO1998013566A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19822887A1 (de) * 1998-05-22 1999-12-02 Mannesmann Vdo Ag Elektronische Zentralverriegelungsanlage
DE19857176A1 (de) 1998-12-11 2000-06-15 Mannesmann Vdo Ag Schließeinrichtung für ein mehrere Türen aufweisendes Kraftfahrzeug
US6577226B1 (en) * 1999-04-27 2003-06-10 Trw Inc. System and method for automatic vehicle unlock initiated via beam interruption
DE19939063A1 (de) * 1999-08-18 2001-02-22 Volkswagen Ag Verfahren und Transpondereinrichtung zur Betätigung von Öffnungs-/ und Schließfunktionen bei Kraftfahrzeugen
DE19955545A1 (de) * 1999-11-18 2001-05-23 Volkswagen Ag Steuersystem für ein Kraftfahrzeug
DE10004616B4 (de) * 2000-02-03 2008-06-19 Siemens Ag Schaltungsanordnung für eine Sende- und/oder Empfangseinrichtung
DE10018277A1 (de) * 2000-04-13 2001-10-18 Mannesmann Vdo Ag Griffmodul
DE10234231A1 (de) * 2002-07-27 2004-02-05 Marquardt Gmbh Schließsystem, insbesondere für ein Kraftfahrzeug
DE10320787A1 (de) * 2003-05-09 2004-12-02 Hella Kgaa Hueck & Co. Vorrichtung und Verfahren zur Öffnung und/oder zum Starten eines Kraftfahrzeugs
DE102009050230B4 (de) * 2009-10-22 2017-02-02 Audi Ag Fahrzeugtür mit einer schlüssellosen Zugangskontrolleinrichtung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3536377A1 (de) * 1985-10-11 1987-04-16 Bayerische Motoren Werke Ag Sicherheitseinrichtung fuer kraftfahrzeuge
DE3628706A1 (de) * 1986-08-23 1988-02-25 Vdo Schindling Zentralverriegelungsanlage fuer ein kraftfahrzeug
DE4025477A1 (de) * 1990-08-10 1992-02-13 Fuss Fritz Gmbh & Co Zugangs-kontrollvorrichtung
DE4141504A1 (de) * 1991-02-19 1992-08-20 United Technologies Automotive Vorrichtung zur fernbetaetigung eines fahrzeuges
DE4340260A1 (de) * 1993-10-01 1995-04-06 Marquardt Gmbh Schließsystem, insbesondre für Kraftfahrzeuge
DE4427254B4 (de) * 1994-07-30 2004-02-26 Kiekert Ag Verschlußsystem für ein Kraftfahrzeug
FR2731035B1 (fr) * 1995-02-28 1997-04-30 Ymos France Ensemble constitue d'une serrure electrique de portiere avec fonction de secours electrique et de ses moyens de commande, et equipement comprenant plusieurs de ces ensembles

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9813566A1 *

Also Published As

Publication number Publication date
DE19639896A1 (de) 1998-04-16
EP0929727B1 (fr) 2002-07-17
WO1998013566A1 (fr) 1998-04-02
ES2183214T3 (es) 2003-03-16
DE59707742D1 (de) 2002-08-22
AU4376097A (en) 1998-04-17

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