EP1584777A1 - Système de fermeture pour un véhicule et son procédé de fonctionnement - Google Patents

Système de fermeture pour un véhicule et son procédé de fonctionnement Download PDF

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Publication number
EP1584777A1
EP1584777A1 EP05006470A EP05006470A EP1584777A1 EP 1584777 A1 EP1584777 A1 EP 1584777A1 EP 05006470 A EP05006470 A EP 05006470A EP 05006470 A EP05006470 A EP 05006470A EP 1584777 A1 EP1584777 A1 EP 1584777A1
Authority
EP
European Patent Office
Prior art keywords
sensor
vehicle
button
locking
operator
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
EP05006470A
Other languages
German (de)
English (en)
Other versions
EP1584777B1 (fr
Inventor
Rainer Pollmann
Manfred Rohlfing
Peter Bandl
Martin Witte
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.)
Bayerische Motoren Werke AG
Huf Huelsbeck and Fuerst GmbH and Co KG
Original Assignee
Bayerische Motoren Werke AG
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 Bayerische Motoren Werke AG, Huf Huelsbeck and Fuerst GmbH and Co KG filed Critical Bayerische Motoren Werke AG
Publication of EP1584777A1 publication Critical patent/EP1584777A1/fr
Application granted granted Critical
Publication of EP1584777B1 publication Critical patent/EP1584777B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • 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
    • E05B77/34—Protection against weather or dirt, e.g. against water ingress
    • 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
    • E05B81/77—Detection of handle operation; Detection of a user approaching a handle; Electrical switching actions performed by door handles comprising sensors detecting the presence of the hand of a user

Definitions

  • the invention relates to a locking system for a vehicle, in which at least one vehicle access has an outer handle with at least one capacitive sensor, via by means of a control unit and a vehicle-side transmitting / receiving unit, in Operative connection with a user-side data carrier, upon activation of an on the outer handle arranged first button of the sensor, a Ver / unlocking function of the vehicle by means of a locking device can be introduced.
  • the invention further relates to a method for operating a locking system for a Vehicle in which a locking / unlocking of one or more vehicle access by an activation of a first button of a arranged on an outer handle capacitive Sensors, in operative connection with a control unit and one with a user-side Data medium communicating vehicle-mounted transmitting / receiving unit initiated becomes.
  • Modern vehicles, especially motor vehicles, are increasingly equipped with keyless locking systems to increase the ease of use.
  • Such locking systems are known for example from DE 196 17 038 C2 and DE 102 04 025 A1.
  • Passive Entry door locking systems
  • the operation of the usual radio remote control on the vehicle key for unlocking, or locking the vehicle via a locking device, in particular a central locking eliminates.
  • a sensor is activated which triggers actuation of the central lock if the operator is authorized to do so.
  • the authorized operator carries with him a data carrier which, when approaching the vehicle, enters into bidirectional communication with a vehicle-side transmission / reception unit, in which its access authorization is checked by an exchange of numerical codes.
  • capacitive sensors are used, which are at least partially integrated into the door handle. These sensors are designed as capacitors that are sensed when approached or touched by the operator, ie activated. As the operator's hand approaches, the capacitance between the electrodes of the capacitor changes by virtue of the operator forming a capacitive connection with the one electrode or the human hand acting as a dielectric between the electrodes. If the capacity exceeds a certain value, the sensor will respond. About the, detected by a control unit capacity, or capacity change, then the unlocking bel can be initiated before or simultaneously done a positive identification of the operator. For locking or re-locking of the vehicle then this or another separate capacitive sensor can be used. The operator activates the sensor by touching, resp. Passing a button of the sensor, again checking the authorization for an action via the data medium.
  • Inadvertent locking of the vehicle may be triggered when the operator with a valid data carrier in the immediate vicinity of the outside door handle and then the button of the lock sensor of this door outside handle with water or snow is applied.
  • the capacity of the sensor can thereby exceed a value which causes a malfunction due to environmental influences, because the capacitive sensor can not distinguish whether it is by a human hand or caused by environmental influences.
  • the capacitive sensor can not distinguish whether it is by a human hand or caused by environmental influences.
  • a disadvantage of the known system affects that both in the operation by the human hand as well as by rain or snow quite different Changes or change rates of capacities (capacity gradients) of the sensor can occur. So on the one hand, the operator can approach or remove very slowly, or operate the sensor very slowly, what then This would lead to the door not being unlocked or locked as desired. on the other hand Rainfall can also cause rapid capacity changes become. Reliable protection against malfunctions is thus rather not achieved. In addition, a relatively complex electronic circuit is necessary to the speed changes to record and evaluate the capacity
  • Object of the present invention is therefore the known keyless locking systems for vehicles to improve so that with reduced effort malfunctions be avoided and their reliability is increased.
  • the object is achieved according to the invention in connection with the preamble of claim 1 solved by the sensor at least a second, accessible to environmental influences arranged and not or not easily accessible for an operator arranged Sr holding surface, by means of which an exposure of the sensor by environmental influences from the activation of the sensor by the operator, via a detection of Schalmächenselektiven Signalünclerache on the sensor, is distinguishable.
  • the capacitive sensor for locking, or unlocking consists not only of one, but at least two, spatially separated buttons. These Buttons act as a two-part response electrode of the capacitive sensor whose contact or approach is the capacity of the sensor formed by the sensor Capacitor changes.
  • the buttons are via a vehicle logic with the control unit connected. From the control unit are capacitance changes to the buttons selectively detectable and by means of vehicle logic, for example, as an electronic Circuit arrangement is constructed with logical links, evaluable.
  • the Control unit in a simple way activation of the locking device of the vehicle by an authorized operator of a malfunction by the admission of the capacitive sensor due to environmental influences.
  • the locking function is both the locking / unlocking of individual vehicle access about individual vehicle locks as well as all vehicle access via a central locking system Understood.
  • Vehicle access is not only a vehicle door, but also others Access, for example, trunk flaps, hoods or vehicle tops.
  • Under environmental influences are not only natural rainfall in the form of rain, Snow or ice, but also artificially induced external influences, for example by a car wash, understood.
  • the second button is not or hardly accessible to the operator, i. enableable, so that upon normal operation of the locking device an admission
  • This button is not caused by the operator, but by environmental influences can be.
  • the sensor does not switch if both buttons go through Environmental influences, for example by a capacitive humidification in the rain, be acted upon and at the same time the authorized operator, or the disk of the operator, located near the sensor.
  • Both buttons with comparable capacity changes
  • an environmental impact detected since the second button can not be operated by the operator, and the environmental influences usually apply both buttons, as long as the Operator does not cover the first button. This will increase the operational safety of the Locking system increased. Unintentional actions of the locking device are avoided.
  • the sensor with the two buttons is as a latched sensor for locking a or several vehicle doors particularly useful, since it an unintentional locking of persons in the vehicle due to a malfunction of the locking system, due to environmental influences on the capacitive sensor, reliably prevented.
  • the locking system is particularly compact and inexpensive in construction as well as simple and safe to use if the first button of the sensor is on an easily accessible Place on a handle front of the outside door handle (as in the previous capacitive Sensors with a button), and the second button at one for the hand of the operator inaccessible place the outside door handle is arranged.
  • This is particularly easy to realize with a separate latched sensor.
  • To the vehicle to lock the operator then simply strokes the front of the handle. Since the Operator can not touch the second button is an accidental blocking excluded a wanted locking.
  • This can be especially effective Locking system in operative connection with an identification transmitter, in short ID transmitter, preferably a transponder), with which a data query for identification the operator can be performed. It is conceivable that bel one clearly recognized exposure of both buttons by environmental influences the control unit to the transmitting / receiving unit an ooues signal passes, whereupon the identification procedure is prevented. This can improve the reliability of the system be further improved.
  • Another object of the present invention is therefore to provide the known methods for Operation of a locking device for a vehicle to improve so that they increased Ensure operational safety.
  • control unit by means of a vehicle logic an admission the first button of the sensor and at least one other, for environmental influences arranged accessible and not or only with difficulty for the hand of an operator monitored button, and that the vehicle locked / unlocked is, if a lock / unlock request by activating the first button is detected by the hand of the operator and an authorization by means of the data carrier is determined, and that the vehicle is not locked / unlocked when the control unit an environmental activation of the sensor due to an application of both Recognizes buttons.
  • the vehicle is locked or secured, if only the (well) accessible surface of the sensor is touched and at the same time a valid data carrier, preferably an ID transmitter located in the immediate vicinity. If, however, both surfaces of the sensor, for example, with water applied, recognizes the vehicle logic that it is not a human hand, and it If no action is taken (lock), of course the vehicle will too locked, if at the two buttons significantly different capacities due an activation of the first button by the operator and an admission the second button due to environmental influences. This will ensure that even when the sensor is exposed to environmental influences, For example, in the rain, the function of the locking system is guaranteed.
  • FIG. 1 shows a block diagram a locking system of a vehicle.
  • a locking system for a vehicle essentially consists of a capacitive sensor 1 and a locking device 9, which is controllable via a control unit 5,
  • the sensor 1 is formed with two buttons 2, 3 as An Maschinenelelttroden.
  • a reference electrode not shown, formed as a ground potential, for example the sensor 1 with the buttons 2, or 3, a capacitor
  • the first button 2 is arranged in a front side of an outside door handle 4 of a vehicle door, not shown.
  • the second button 3 is located in an inaccessible position of the outside door handle 4, which is indicated in the figure 1.
  • the two Schalidon 2, 3 are with the Control unit 5 is connected, which is advantageously arranged at a central location in the vehicle is.
  • the control unit 5 is in turn connected to the locking device 9 and with a Transceiver unit 7 connected.
  • the transmitting / receiving unit 7 is in the range of Vehicle door, advantageously in the outside door handle 4, arranged.
  • a vehicle door lock 10 provided for locking / unlocking the vehicle door, the over the locking device 9, advantageously designed as a central locking actuated is.
  • a data carrier 8 is present, which can be carried by an operator is.
  • the data carrier 8 is advantageous as an ID transmitter, for example in credit card format, formed in the transponder technology known per se.
  • the ID transmitter 8 and the transmitting / receiving unit 7 are designed for bidirectional communication.
  • the control unit 5 is also associated with a vehicle logic 6, with which of the sensor 1, or the buttons 2, 3 outgoing signals are evaluated.
  • the two Buttons 2,3 of the sensor 1 form in operative connection with the control unit 5 and the ID transmitter 8, a security system for the locking device.
  • a method of operating a locking system for a vehicle is essentially based that an actuation of a capacitive sensor 1 with two buttons 2 and 3 is evaluated selectively,
  • the method of operation of the method is based on the example of a safety function against a unwanted locking of the vehicle to the device described above explained become.
  • This assumes a scenario in which an operator leaves after leaving of the vehicle in the immediate vicinity of the outside door handle 4 of a vehicle door is located while other occupants are (still) in the vehicle.
  • the vehicle may be exposed to environmental influences in the form of rain. May he like that Outside door handle 4, in particular the two buttons 2 and 3, acted upon with water become.
  • the operator carries the ID transmitter 8 with him, via the transmitting / receiving unit 7
  • An authorization request for locking is sent to the ID transmitter (transponder) 8 wirelessly directed the vehicle, in particular by the fact that the transponder 8 in a Induction field of the transmitting / receiving unit 7 moves.

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  • Lock And Its Accessories (AREA)
EP05006470A 2004-04-05 2005-03-24 Système de fermeture pour un véhicule et son procédé de fonctionnement Expired - Lifetime EP1584777B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004017243 2004-04-05
DE102004017243A DE102004017243A1 (de) 2004-04-05 2004-04-05 Schließsystem für ein Fahrzeug und Verfahren zu dessen Betrieb

Publications (2)

Publication Number Publication Date
EP1584777A1 true EP1584777A1 (fr) 2005-10-12
EP1584777B1 EP1584777B1 (fr) 2008-10-15

Family

ID=34895513

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05006470A Expired - Lifetime EP1584777B1 (fr) 2004-04-05 2005-03-24 Système de fermeture pour un véhicule et son procédé de fonctionnement

Country Status (4)

Country Link
US (1) US20050219043A1 (fr)
EP (1) EP1584777B1 (fr)
AT (1) ATE411438T1 (fr)
DE (2) DE102004017243A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007011938A3 (fr) * 2005-07-19 2007-03-15 Lafrance Autoworks Inc Ouvreur de porte electronique a effleurement
FR2964517A1 (fr) * 2010-09-06 2012-03-09 Continental Automotive France Procede de determination de contacts parasites sur un capteur de detection de contact de poignee de portiere d'un vehicule automobile
WO2013079642A1 (fr) * 2011-12-02 2013-06-06 Valeo Securite Habitacle Capteur de declenchement d'une action sur un ouvrant de vehicule automobile

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005055515A1 (de) * 2005-07-26 2007-02-01 Huf Hülsbeck & Fürst Gmbh & Co. Kg Sensoranordnung und Verfahren zum Erfassen des Aufliegens eines Bedienerkörperteils auf einer Betätigungsstelle einer Kraftfahrzeugschließeinrichtung mit einer hilfssensorgestützten Auswertung des Ausgangssignals eines Annäherungssensors
JP4600323B2 (ja) * 2006-03-15 2010-12-15 アイシン精機株式会社 車両用のドアハンドル
JP4947348B2 (ja) * 2006-09-13 2012-06-06 アイシン精機株式会社 車両用ドアハンドル装置
DE102007040775B4 (de) * 2007-08-29 2020-09-10 Volkswagen Ag Verfahren und Vorrichtung zum Öffnen eines Schließelements eines Kraftfahrzeugs
KR101308903B1 (ko) * 2009-08-31 2013-10-14 스미다 코포레이션 가부시키가이샤 물체의 접근을 검출하기 위한 정전용량식 검출장치, 센서유닛, 제어시스템 및 그 방법
DE102010019362A1 (de) * 2010-05-05 2011-11-10 Volkswagen Ag Bedienverfahren und Bedienvorrichtung für ein Fahrzeug
CN102278010A (zh) * 2011-06-16 2011-12-14 广西大学 防盗门的防盗开方法以及防盗保护装置
US9002584B2 (en) * 2013-03-19 2015-04-07 Ford Global Technologies, Llc Rain onset detection glazing auto-close
EP3169861B1 (fr) 2014-07-18 2020-11-11 Huf Hülsbeck & Fürst GmbH & Co. KG Système de poignée intérieure de portière de véhicule
US9752370B2 (en) * 2015-07-13 2017-09-05 Ford Global Technologies, Llc Rain onset detection auto-close user interface
CN106088834A (zh) * 2016-06-06 2016-11-09 广西大学 一种能够自动反锁的防盗锁

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19620059A1 (de) * 1996-05-20 1997-11-27 Ifm Electronic Gmbh Schaltungsanordnung zum Entriegeln mindestens eines Türschlosses eines Kraftfahrzeugs
US20030101781A1 (en) * 1999-11-29 2003-06-05 Edgar Budzynski Motor vehicle door lock system
DE10204025A1 (de) * 2002-01-31 2003-08-14 Kiekert Ag Kombinierte Sicherheits-/Betätigungseinrichtung
WO2003071069A1 (fr) * 2002-02-22 2003-08-28 Schaffner Emv Ag Circuit de commande electronique dote d'un capteur de contact destine a un systeme de fermeture d'une portiere de vehicule

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19617038C2 (de) * 1996-04-27 2000-11-30 Huf Huelsbeck & Fuerst Gmbh Schließsystem, insbesondere für Kraftfahrzeuge
FR2813630B1 (fr) * 2000-09-05 2003-08-01 Valeo Electronique Procede pour verrouiller automatiquement un ouvrant de vehicule a l'aide d'un systeme d'acces mains libres et d'un capteur d'approche
US7126453B2 (en) * 2001-02-21 2006-10-24 Kiekert Ag Keyless system for actuating a motor-vehicle door latch
JP3770218B2 (ja) * 2002-08-29 2006-04-26 アイシン精機株式会社 車両用ドア開扉用人体検出装置及びその使用方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19620059A1 (de) * 1996-05-20 1997-11-27 Ifm Electronic Gmbh Schaltungsanordnung zum Entriegeln mindestens eines Türschlosses eines Kraftfahrzeugs
US20030101781A1 (en) * 1999-11-29 2003-06-05 Edgar Budzynski Motor vehicle door lock system
DE10204025A1 (de) * 2002-01-31 2003-08-14 Kiekert Ag Kombinierte Sicherheits-/Betätigungseinrichtung
WO2003071069A1 (fr) * 2002-02-22 2003-08-28 Schaffner Emv Ag Circuit de commande electronique dote d'un capteur de contact destine a un systeme de fermeture d'une portiere de vehicule

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007011938A3 (fr) * 2005-07-19 2007-03-15 Lafrance Autoworks Inc Ouvreur de porte electronique a effleurement
FR2964517A1 (fr) * 2010-09-06 2012-03-09 Continental Automotive France Procede de determination de contacts parasites sur un capteur de detection de contact de poignee de portiere d'un vehicule automobile
WO2012031654A1 (fr) * 2010-09-06 2012-03-15 Continental Automotive France Procede de determination de contacts parasites sur un capteur de detection de contact de poignee de portiere d'un vehicule automobile
CN103125072A (zh) * 2010-09-06 2013-05-29 法国大陆汽车公司 确定用于汽车车辆的门把手的接触检测传感器上的伪接触的方法
US9000889B2 (en) 2010-09-06 2015-04-07 Continental Automotive France Method for determining spurious contacts on a contact detection sensor for a door handle of an automobile vehicle
CN103125072B (zh) * 2010-09-06 2016-08-17 法国大陆汽车公司 确定用于汽车车辆的门把手的接触检测传感器上的伪接触的方法
WO2013079642A1 (fr) * 2011-12-02 2013-06-06 Valeo Securite Habitacle Capteur de declenchement d'une action sur un ouvrant de vehicule automobile
FR2983663A1 (fr) * 2011-12-02 2013-06-07 Valeo Securite Habitacle Capteur de declenchement d'une action sur un ouvrant de vehicule automobile
CN104081666A (zh) * 2011-12-02 2014-10-01 法雷奥安全座舱公司 用于触发机动车辆车门上的动作的传感器
CN104081666B (zh) * 2011-12-02 2018-02-16 法雷奥安全座舱公司 用于触发机动车辆车门上的动作的传感器

Also Published As

Publication number Publication date
US20050219043A1 (en) 2005-10-06
DE102004017243A1 (de) 2005-11-10
ATE411438T1 (de) 2008-10-15
EP1584777B1 (fr) 2008-10-15
DE502005005663D1 (de) 2008-11-27

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