DE19500999C1 - Security device for vehicle - Google Patents

Security device for vehicle

Info

Publication number
DE19500999C1
DE19500999C1 DE19500999A DE19500999A DE19500999C1 DE 19500999 C1 DE19500999 C1 DE 19500999C1 DE 19500999 A DE19500999 A DE 19500999A DE 19500999 A DE19500999 A DE 19500999A DE 19500999 C1 DE19500999 C1 DE 19500999C1
Authority
DE
Germany
Prior art keywords
door
information
unlocking
additional
motor vehicle
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 - Fee Related
Application number
DE19500999A
Other languages
German (de)
Inventor
Hans Dipl Ing Deischl
Martin Dipl Ing Lindmayer
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.)
Daimler Benz AG
Original Assignee
Daimler Benz AG
Mercedes Benz AG
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 Daimler Benz AG, Mercedes Benz AG filed Critical Daimler Benz AG
Priority to DE19500999A priority Critical patent/DE19500999C1/en
Application granted granted Critical
Publication of DE19500999C1 publication Critical patent/DE19500999C1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/01Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
    • B60R25/04Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the propulsion system, e.g. engine or drive motor
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B77/00Vehicle locks characterised by special functions or purposes
    • E05B77/22Functions related to actuation of locks from the passenger compartment of the vehicle
    • E05B77/24Functions related to actuation of locks from the passenger compartment of the vehicle preventing use of an inner door handle, sill button, lock knob or the like
    • E05B77/28Functions related to actuation of locks from the passenger compartment of the vehicle preventing use of an inner door handle, sill button, lock knob or the like for anti-theft purposes, e.g. double-locking or super-locking
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00Power-actuated vehicle locks
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B77/00Vehicle locks characterised by special functions or purposes
    • E05B77/46Locking several wings simultaneously
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B77/00Vehicle locks characterised by special functions or purposes
    • E05B77/54Automatic securing or unlocking of bolts triggered by certain vehicle parameters, e.g. exceeding a speed threshold

Abstract

A motor vehicle security system has a device for protecting against use by third parties in the form of an immobilizer and a device for protecting against access by third parties in the form of a door locking system with additional door securing means, the latter protecting against unlocking from the inside a door which has been locked in a way protecting it against unlocking from the outside. The additional door securing means is conventionally switched over between the securing and the released state together with the door locking system which protects against unlocking from the outside. The motor vehicle security system produces an item of authorizing internal unlocking information which places the additional door securing means in the released state when an item of authorizing use information is input into the device for protecting against use by third parties and/or when the vehicle speed becomes higher than a prescribed threshold value. In systems with remote-controlled driving of the door locking system this prevents the additional door securing means from being placed in the securing state and the door from subsequently no longer being able to be opened from the inside, as a result of unintentional transmission of the access authorization information from the vehicle passenger compartment.

Description

The invention relates to a motor vehicle security system according to the preamble of claim 1 directions are z. B. in the form of mechanical ignition key ignition lock combinations known in which the justifying groove tion information through the shape of the ignition lock Ignition key is given. The actuation of the ignition lock with the right key, the vehicle can be started motors and mostly also the release of the steering. More modern External usage protection devices in the form of so-called immobilizers lock provide one or more for an engine start and / or a subsequent driving operation necessary electrical Control units, e.g. B. an engine control unit when parking to prevent the vehicle from resuming its function and only when an authorized user is entered to release code signal, for which the user the code signal by operating an electronic key to a vehicle sending receiver. External access protection devices are in various forms of door locking devices known that only unlocking a locked door from the outside release when entering authorizing access information. This authorizing access information is often identical to the legitimate usage information of the third-party usage protection zeinrichtung, z. B. can be the ignition key at the same time Serve keys for a mechanical door lock.

A further measure is in the case of generic third-party access protection a so-called additional door lock, also called "safe Called "Lock" facility, which provided opening a previously Door locked against unlocking from outside by the driver  the interior of the witness is prevented as long as it is secured in one the state is. Entering an authoritative In Unlocking information puts additional security in it unlocked state, in which they then said door opening process enabled. Such additional security is e.g. B. be in the published patent application DE 33 13 100 A1 provided door locking system. The additional security tion consists of a movable cover that is located in their securing state in one or the interior Locked door locking actuators locked Position. The Abdec kung by locking the respective door from the outside, for example wise by pressing a mechanical key in one associated door lock in the closing direction, moves. With a sol Chen additional door lock prevents an unauthorized person ter can open the vehicle door if he forcibly accesses it to a corresponding door lock on the vehicle interior procured actuation element.

In the patent specification DE 38 06 326 C1 a door lock is used gelungsvorrichtung for a motor vehicle described in the a door lock from a disengageable clutch between an interior actuating element and a door lock is formed, the clutch on and off actuators can be indented. When the outside door is activated locking, e.g. B. via a central locking system the actuator disengages the clutch so that the door lock even when the interior door lock is operated Actuator can not be solved.

For security systems where the additional door lock is not only by a vehicle exterior, but also by one vehicle interior action of a user in their si problem can be spent, the problem arises accidental trapping in the vehicle by mistake The triggering of the activity that the additional door locks in their securing state. This problem can  for example in modern automotive security systems occur where the external access protection device is remotely controlled can be activated and the vehicle-side receiver for the entitling access code signal also responds to signals that using a user-provided key from the vehicle interior be sent. For example, if the user key sel from a mechanical steering lock key with IR or radio send button for sending information for an against unlocking protected locking of the doors from the outside and simultaneous Put the additional door lock in its securing state stands and the user in the handle when handling the key accidentally pressed the send button, the door accessory can fuse undesirably in its securing state in which it is not possible for the user to open the doors then with one of the vehicle interior actuators open elements.

The invention is therefore based on the technical problem, a Motor vehicle security system of the type mentioned ready to deliver at which there is no risk that the door closes set protection while driving accidentally in your securing state.

This problem is solved by a motor vehicle security system solved the features of claim 1. In the first alternative the security system generates the authoritative interior door Information with which the additional door security unit in the unlocking condition can be brought after by the External usage protection device upon entry of an authorized according to usage information, an engine start has been released. Even if the user starts before or during a trip Engine start request unintentionally turn on the door lock has placed it in the securing state is the engine start release coupled generation of the authorizing Internal unlocking information causes the door lock if necessary, immediately back into the unlocked Condition can be brought and there for subsequent  Driving operation remains. An undesirable trapping in the driving evidence of an unintended action by the user in the vehicle interior caused the door attachment to be triggered this prevents backup. In the second alternative, which can be provided in addition to or instead of the first, causes a predetermined, preferably close, to be exceeded at zero threshold by vehicle speed releasing the additional door lock. At a the simultaneous realization of both alternatives becomes a speech danz provided, which causes the door additional security even if the engine start enable fails linked generation or entry of the qualifying inner part allows validation information to be brought into its unlocked state, if the current vehicle speed is above the specified one Threshold is.

A development of the invention according to claim 2 provides that before generation of the interior release information or before it Input into the additional door security unit, its status is abge is asked, so that the interior release information only in the additional fuse unit needs to be entered if So far, this is in the securing state.

A development of the invention according to claim 3 realizes a Motor vehicle security system that secured a usage code Immobilizer function advantageous with lifting unwanted Triggering of the additional door lock combined. The high security is the user authorization code known for immobilizers dation transfers to the disarming of the additional door locks tion, since only when the authorizing usage code signal is entered the operation of the engine control unit and thus an engine start is released, which in turn is a prerequisite for disarming the additional door lock is in any case with the vehicle stationary. An unauthorized short-circuiting of the ignition alone can consequently, in this further development, the additional door lock is not defuse. In an advantageous embodiment of this measure bil det according to claim 4 a powerless steering lock in the form of a  electronic ignition switch with transponder entering device for the legitimate usage information, whereby a motor vehicle security system is realized that a mo modern user authorization identification in addition to the over monitoring of the additional door locking function is used.

A preferred embodiment of the invention is in the drawing voltage and is described below.

The single figure shows a schematic block diagram of a Motor vehicle security system with third-party protection device and external access protection containing an additional door lock direction.

The motor vehicle security system shown in block diagram form includes an external use protection device in the form of a conventional immobilizer with an electronic ignition start switch ( 1 ) as a powerless steering lock with a coupled transponder. The user must identify himself at the ignition start switch ( 1 ) by entering a usage code. If a legitimate usage code information is entered into the ignition start switch ( 1 ), this sends a usage release signal via the transponder via a manipulation-protected signal transmission line ( 3 ) to a central engine control unit ( 2 ), the previously blocked operational readiness of which is then released, the engine control unit ( 2 ) is set to the function-blocked state beforehand each time the vehicle is parked or, if appropriate, upon a request signal supplied from outside. Of course, if necessary, other control units arranged in the vehicle can be included in the immobilizer in the same way as the engine control unit ( 2 ).

The vehicle security system also contains, in a manner not shown in detail, an external access protection device in the form of a door locking system, which is of a conventional nature and therefore does not need to be described in more detail here. It includes, among other things, a central locking system and an outer handle, an inner handle and an interior locking button on each door. With the outside handle, the door can be opened from the outside when it is unlocked, but not when it is locked. The interior locking button moves from top to bottom when the vehicle is locked from the outside and from bottom to top when it is unlocked from the outside. For locking and unlocking from the outside, an electronic door lock is provided, which can be actuated accordingly by an electronic key, which contains the legitimate access information. The same user-side key element serves both as an electronic key for sending the authorizing access information via a radio or infrared transmission link and as an element communicating with the electronic ignition switch ( 1 ) for entering the authoritative usage code. By pressing the interior safety button, the vehicle can be locked from the inside so that the door can only be unlocked via the inside handle, but not via the outside handle, and then opened.

An additional door lock ( 4 ), shown as a function block, is coupled to the inside door handle. This has the effect that the door cannot be unlocked and opened by pressing the inside handle if it has been locked by the device for locking the door from the outside, ie by pressing the electronic key and sending the authorizing access information to the vehicle-side receiver. This prevents an unauthorized person from opening the door and climbing onto the vehicle in a simple manner if he previously had access to the palm, e.g. B. by driving in a side window. The additional door lock ( 4 ) is activated by entering the authorizing access code, which causes the door to be locked against unlocking from the outside or unlocked from the outside again, as authorizing internal unlocking information or internal locking information between the secure and unlocked status switched. As a further security measure, the motor vehicle security system additionally contains an anti-theft alarm system ( 5 ), which is also indicated in the figure as a functional block and is of conventional construction, which is not described in detail here to who needs it.

In the motor vehicle security system constructed in this way, it is now provided that the use release signal, which is well secured against tampering and is only transmitted to the engine control unit ( 2 ) after entering an authoritative usage code on the electronic ignition start switch ( 1 ), to the additional door security unit ( 4 ) and the burglary alarm system ( 5 ) to branch off from a branch line ( 6 ) and use it as internal unlocking information, with which the additional door lock ( 4 ) can be brought into the unlocked state, and for disarming the anti-theft alarm system ( 5 ). This means that after the engine management function of the engine control unit ( 2 ) has been released, the additional door lock ( 4 ) can be unlocked if it was previously inadvertently brought into the securing state. The latter can e.g. B. accidentally happen that when using the infrared or radio key in the ignition switch switch lock ( 1 ) the transmitter key is pressed accidentally, thereby activating the door lock secured against unlocking from the outside and at the same time the door additional protection ( 4 ) in the securing state is transferred.

The unlocking of the door auxiliary lock enabled with the engine start release prevents the user from accidentally "locking himself" in the vehicle by accidentally pressing the door lock transmission button, because after resetting the auxiliary door lock ( 4 ) to the unlocked state, he can then close the Open the door as usual with the inside handle. In order to avoid unnecessary activation of the additional door lock ( 4 ) by the use release signal issued by the ignition switch ( 1 ), it is provided that the state of the additional door lock ( 4 ) is queried when the use release signal is sent and activation by the use release signal only if the Additional door lock ( 4 ) is actually in the securing state due to the unwanted actuation of the door lock transmission button.

To (4) security also in case of failure of the control of the additional door hedging unit through the use enable signal, the additional door (4) to hold, during a trip in the unlocked state, is provided as a redundant measure, the Türzusatzsi assurance (4) in any case to in its unlocked state set when the system detects that the vehicle is traveling at a speed greater than a predetermined, preferably very low threshold value, for which purpose the system queries the output signal of a speedometer. It goes without saying that this measure for unlocking the additional door lock can also be used alone, ie without the unlocking coupled to the engine start release.

The coupling of the additional door lock to the high manipulation Security of the authorization code for the immobilizer allows them to be unlocked by starting the engine at a high level Protection against tampering. In contrast, a coupling of the door would set protection to the ignition line offer less security, since the additional door lock is then already by short-circuiting the Ignition cable could be brought into the unlocked state.

Claims (5)

1. Motor vehicle security system, with
  • - A third-party use protection device that only enables an engine start when an authorized usage information is entered and
  • - A third-party access protection device that only unlocks a locked door from the outside when you enter a justifying access information and has an additional door security unit ( 4 ) that locks the unlocked door, which is protected against unlocking from the outside, from the inside in the securing state and releases it in the unlocked state and by entering an authoritative internal unlocking information that can be switched from the secure to the unlocked state,
characterized in that
  • - It generates the authorizing interior unlocking information when the authorizing usage information is entered or the vehicle speed exceeds a predetermined threshold.
2. Motor vehicle security system according to claim 1, further characterized in that it queries the previous state of the additional door lock ( 4 ) upon input of the authoritative usage information and the latter switches to the unlocking state by entering the authoritative Innenentriegelungsin information if it has previously been in the securing state found.
3. Motor vehicle security system according to claim 1 or 2, further characterized in that it generates a usage authorization signal upon entry of the authoritative usage information, through which the previously blocked operation of an engine control unit ( 2 ) is released and which at the same time as a legitimate interior unlocking information for unlocking the Additional door locking unit ( 4 ) is used.
4. Motor vehicle security system according to claim 3, characterized by an electronic ignition switch ( 1 ) with transponder as a device for entering the authoritative usage information and for delivering the usage authorization signal to the engine control unit ( 2 ) and the additional door security unit ( 4 ).
DE19500999A 1995-01-14 1995-01-14 Security device for vehicle Expired - Fee Related DE19500999C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19500999A DE19500999C1 (en) 1995-01-14 1995-01-14 Security device for vehicle

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19500999A DE19500999C1 (en) 1995-01-14 1995-01-14 Security device for vehicle
GB9600374A GB2296937B (en) 1995-01-14 1996-01-09 Motor vehicle security system
FR9600317A FR2729349B1 (en) 1995-01-14 1996-01-12 Safety system for a motor vehicle

Publications (1)

Publication Number Publication Date
DE19500999C1 true DE19500999C1 (en) 1996-01-04

Family

ID=7751518

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19500999A Expired - Fee Related DE19500999C1 (en) 1995-01-14 1995-01-14 Security device for vehicle

Country Status (3)

Country Link
DE (1) DE19500999C1 (en)
FR (1) FR2729349B1 (en)
GB (1) GB2296937B (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19622226A1 (en) * 1995-06-05 1996-12-12 Mitsubishi Electric Corp Theft security device for motor vehicle
DE19539851A1 (en) * 1995-10-26 1997-06-05 Daimler Benz Ag Key vehicle communication device for controlling an immobilizer and a remote-controlled function
US5808372A (en) * 1995-10-26 1998-09-15 Mercedes-Benz Ag Ignition key-vehicle communication device which is protected against incorrect operation
DE19733249A1 (en) * 1997-08-01 1999-02-04 Marquardt Gmbh Steering wheel lock on a motor vehicle
DE19801064A1 (en) * 1998-01-14 1999-07-15 Bayerische Motoren Werke Ag Motor vehicle operation security system
EP1094180A2 (en) * 1999-10-23 2001-04-25 Meritor Light Vehicle Systems (UK) Ltd Latch arrangement
DE102005021007B3 (en) * 2005-05-03 2006-12-07 Kay Rahtkens Anti-theft security system for motor vehicle detects unauthorized starting or driving, and produces signal to activate closure of central locking system
DE102008059104A1 (en) * 2008-11-26 2010-05-27 Audi Ag Method for controlling a locking system of a motor vehicle and motor vehicle

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3313100A1 (en) * 1983-04-12 1984-08-16 Daimler Benz Ag Safety device for a handle arranged on the inside of a vehicle door for the actuation of door locks
DE3806326C1 (en) * 1988-02-27 1989-01-26 Daimler-Benz Ag, 7000 Stuttgart, De

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3737468C2 (en) * 1987-11-05 1990-06-28 Kiekert Gmbh & Co Kg, 5628 Heiligenhaus, De
DE3801650C1 (en) * 1988-01-21 1989-03-23 Kiekert Gmbh & Co Kg, 5628 Heiligenhaus, De
DE4233887A1 (en) * 1992-10-08 1994-04-14 Vdo Schindling Central locking and anti-theft device for motor vehicles
JPH06307138A (en) * 1993-04-21 1994-11-01 Nissan Motor Co Ltd Car theft prevention device
DE4322141A1 (en) * 1993-07-02 1995-01-19 Siemens Ag Arrangement and method for activating a central locking system in a motor vehicle
DE4409361C1 (en) * 1994-03-18 1995-06-22 Siemens Ag Closure system for road vehicle

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3313100A1 (en) * 1983-04-12 1984-08-16 Daimler Benz Ag Safety device for a handle arranged on the inside of a vehicle door for the actuation of door locks
DE3806326C1 (en) * 1988-02-27 1989-01-26 Daimler-Benz Ag, 7000 Stuttgart, De

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19622226C2 (en) * 1995-06-05 2001-09-13 Mitsubishi Electric Corp Device for protecting motor vehicles against unauthorized operation
DE19622226A1 (en) * 1995-06-05 1996-12-12 Mitsubishi Electric Corp Theft security device for motor vehicle
DE19539851A1 (en) * 1995-10-26 1997-06-05 Daimler Benz Ag Key vehicle communication device for controlling an immobilizer and a remote-controlled function
US5808372A (en) * 1995-10-26 1998-09-15 Mercedes-Benz Ag Ignition key-vehicle communication device which is protected against incorrect operation
DE19539851C2 (en) * 1995-10-26 1999-01-07 Daimler Benz Ag Key vehicle communication device for controlling an immobilizer and a remote-controlled function
US5869908A (en) * 1995-10-26 1999-02-09 Mercedes-Benz Ag Key/vehicle communication device for the activation of an immobilizer and of a remotely controllable function
DE19733249A1 (en) * 1997-08-01 1999-02-04 Marquardt Gmbh Steering wheel lock on a motor vehicle
DE19801064A1 (en) * 1998-01-14 1999-07-15 Bayerische Motoren Werke Ag Motor vehicle operation security system
EP1094180A2 (en) * 1999-10-23 2001-04-25 Meritor Light Vehicle Systems (UK) Ltd Latch arrangement
EP1094180A3 (en) * 1999-10-23 2003-05-07 ArvinMeritor Light Vehicle Systems (UK) Ltd Latch arrangement
DE102005021007B3 (en) * 2005-05-03 2006-12-07 Kay Rahtkens Anti-theft security system for motor vehicle detects unauthorized starting or driving, and produces signal to activate closure of central locking system
DE102008059104A1 (en) * 2008-11-26 2010-05-27 Audi Ag Method for controlling a locking system of a motor vehicle and motor vehicle
DE102008059104B4 (en) * 2008-11-26 2011-03-10 Audi Ag Method for controlling a locking system of a motor vehicle and motor vehicle

Also Published As

Publication number Publication date
GB2296937B (en) 1997-01-08
FR2729349B1 (en) 1999-02-05
FR2729349A1 (en) 1996-07-19
GB9600374D0 (en) 1996-03-13
GB2296937A (en) 1996-07-17

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Legal Events

Date Code Title Description
D1 Grant (no unexamined application published) patent law 81
8100 Publication of the examined application without publication of unexamined application
8363 Opposition against the patent
8327 Change in the person/name/address of the patent owner

Owner name: DAIMLER-BENZ AKTIENGESELLSCHAFT, 70567 STUTTGART,

8327 Change in the person/name/address of the patent owner

Owner name: DAIMLERCHRYSLER AG, 70567 STUTTGART, DE

8365 Fully valid after opposition proceedings
8327 Change in the person/name/address of the patent owner

Owner name: DAIMLERCHRYSLER AG, 70327 STUTTGART, DE

8327 Change in the person/name/address of the patent owner

Owner name: LINDMAYER, MARTIN, DIPL.-ING.(FH), 72172 SULZ, DE

8320 Willingness to grant licenses declared (paragraph 23)
8321 Willingness to grant licenses paragraph 23 withdrawn
8339 Ceased/non-payment of the annual fee
8370 Indication of lapse of patent is to be deleted
R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee

Effective date: 20130801