EP0506625A1 - Device for controlling the centralized closure of the doors of a motor vehicle - Google Patents

Device for controlling the centralized closure of the doors of a motor vehicle Download PDF

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Publication number
EP0506625A1
EP0506625A1 EP92830129A EP92830129A EP0506625A1 EP 0506625 A1 EP0506625 A1 EP 0506625A1 EP 92830129 A EP92830129 A EP 92830129A EP 92830129 A EP92830129 A EP 92830129A EP 0506625 A1 EP0506625 A1 EP 0506625A1
Authority
EP
European Patent Office
Prior art keywords
doors
control unit
circuit
contact
door locking
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.)
Withdrawn
Application number
EP92830129A
Other languages
German (de)
English (en)
French (fr)
Inventor
Giuseppe Codrino
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0506625A1 publication Critical patent/EP0506625A1/en
Withdrawn legal-status Critical Current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
    • E05B77/00—Vehicle locks characterised by special functions or purposes
    • E05B77/02—Vehicle locks characterised by special functions or purposes for accident situations
    • E05B77/12—Automatic locking or unlocking at the moment of collision
    • 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

Definitions

  • the present invention relates to a device for controlling the centralized closure of the doors of a motor vehicle,including means for automatically unlocking or opening these doors in a case of an accident.
  • the aim of the present invention is to overcome the above mentioned drawbacks,by providing a device for controlling the centralized closure of the doors of a motor vehicle which comprises means for causing the doors to automatically unlock in the case of an accident.
  • a main object of the present invention is to provide such a control device which is adapted to monitor the doors in order to detect if an opening command sent to the doors is properly executed by all of the door actuators.
  • Another object of the present invention is to provide such a control device which is very simple construction wise,i.e comprises a very reduced number of component elements of very reliable operation,and which moreover is very competitive from a mere economic standpoint.
  • a control device for controlling the centralized closure of a motor vehicle doors, characterized in that said device comprises a central control unit controlling a door locking module or assembly and an electronic circuit which,under normal conditions,allows said doors to be conventionally locked and opened,whereas,in an accident case,automatically releases the door locking means.
  • the control device for controlling the closure of the doors of a motor vehicle comprises a central control unit comprising a door locking assembly or module 1′ and which is continuously power supplied through power supply cables 2 and 3 so that,under normal conditions, i.e rest conditions,the power drain will be very low.
  • the central unit drives or controls a relay circuit which comprises a plurality of relays 4 and 5 adapted to alternatively power supply corresponding door locking motors 6 and 6′,with either one or the other polarities.
  • citcuit in particular,is actuated,under normal conditions,through switching contacts 7 and 8,as well as further simple contacts.
  • the latter comprise a centralized locking contact 9,a centralized locking release contact 10, a remote control contact 11 and an open door contact 12, as well as a further contact connected to an impact sensor and indicated at the reference number 13.
  • the contacts 7 and 8 are conventionally held within the above mentioned door locking module and provide the so called feedback on the status of the individual door locking assemblies,whereas the push-buttons or contacts 9 and 10 can be manually operated by the driver of the motor vehicle.
  • the input 13,in turn, is provided for receiving the signal generated by an impact sensor,which is specifically designed for releasing the locking means of the doors and prevent the control circuit from operating for a set period of time(usually about 30 sec.).
  • the releasing upon an impact can be either instantaneous or delayed for a preset time, for example in order to fit to specific accident conditions,such as the tilting of the motor vehicle.
  • the control device comprises moreover a thermo-resistance sensor 14 for detecting the outer temperature and generating,if necessary,a signal which,upon processing by the central control unit,will allow,through a relay 15,to actuate a defroster device 16 arranged at the driver side door lock.
  • This oscillating circuit may be replaced by a quartz oscillator,or a ceramics resonator circuit,without altering the operating characteristics of the circuit controlling the subject device.
  • resistor 22 having a protective function,for detecting a possible detachment of the power supply battery,further resistors 23 being furthermore provided arranged in series with the above mentioned simple contacts for protecting these contacts or inputs.
  • resistors 24 and 25 operate for protecting a diagnosis input,for monitoring the actuation of the driving relays 4 and 5.
  • the central control unit 1,in turn,is provided with an output 26 which can be brought to a high logic level for a typical time of 2.5 ms as the mentioned diagnosis input is at a low level;an output 27 which is actuated for a typical time of 5 ms as there is present a remote control signal for releasing the locking means of the doors;an output 28 which is actuated for a typical time of 2.5 ms as there is present any signal of said remote control.
  • FIG. 3 shows an alternative application of the control device according to the present invention the operation of which can be easily deduced from the above disclosure.
  • This device is specifically designed for receiving the locking and releasing commands,as well as the impact signals,in the form of signal contacts, directly from push buttons or switches or from contacts which are actuated by mechanisms of different types,or from optic and electronic apparatus.
  • the device moreover,is adapted to verify or monitor if the imposed command is executed by all of the actuators;if not,then it will adopt different or alternative command patterns.
  • the device in particular,can advantageously control all of the possible failures of the contacts, under any operation conditions,
  • the starting condition is that of concordant contacts in a given position (for example a released locking).
  • the control circuit will drive all of the actuators to the new position,by means of the mentioned relays 4 and 5,for a preset time (typically 750 ms).
  • the device After having performed this, the device will enter a rest status,for a preset time,so as to prevent the door locking actuators from overheating.
  • the circuit will be actuated or recovered again,but a proper operation can recover only if the contacts are mutually in phase.

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  • Lock And Its Accessories (AREA)
EP92830129A 1991-03-25 1992-03-19 Device for controlling the centralized closure of the doors of a motor vehicle Withdrawn EP0506625A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI910794A IT1245586B (it) 1991-03-25 1991-03-25 Dispositivo per il controllo della chiusura centralizzata delle porte di un autoveicolo, con sblocco automatico delle porte stesse, in caso di incidenti
ITMI910794 1991-09-16

Publications (1)

Publication Number Publication Date
EP0506625A1 true EP0506625A1 (en) 1992-09-30

Family

ID=11359221

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92830129A Withdrawn EP0506625A1 (en) 1991-03-25 1992-03-19 Device for controlling the centralized closure of the doors of a motor vehicle

Country Status (3)

Country Link
EP (1) EP0506625A1 (ja)
JP (1) JPH0579234A (ja)
IT (1) IT1245586B (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4322141A1 (de) * 1993-07-02 1995-01-19 Siemens Ag Anordnung und Verfahren zur Betätigung einer Zentralverriegelung in einem KFZ
EP0856625A1 (fr) * 1997-02-04 1998-08-05 Valeo Systèmes de Fermetures Serrure électrique de portière de véhicule automobile comportant une pile de secours à décharge ménagée
EP0902143A2 (en) * 1997-09-10 1999-03-17 Fuji Jukogyo Kabushiki Kaisha Locking mechanism of door locking apparatus for motor vehicle
ITFE20100003A1 (it) * 2010-03-18 2010-06-17 Davide Baldi Dispositivo automatico d'emergenza atto al controllo di movimento nello spazio occupato dall'apertura della portiera di un autoveicolo in genere

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2443549A1 (fr) * 1978-12-05 1980-07-04 Peugeot Aciers Et Outillage Installation de commande des panneaux ouvrants d'un vehicule automobile
GB2069587A (en) * 1980-01-16 1981-08-26 Nissan Motor Automatic vehicle-door locking system
EP0176434A1 (fr) * 1984-09-20 1986-04-02 Ecia - Equipements Et Composants Pour L'industrie Automobile Dispositif de commande de condamnation des portières et autres panneaux mobiles d'un véhicule automobile
US4785907A (en) * 1986-12-12 1988-11-22 Aisin Seiki Kabushiki Kaisha Emergency unlock assembly for onboard lock mechanism

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2443549A1 (fr) * 1978-12-05 1980-07-04 Peugeot Aciers Et Outillage Installation de commande des panneaux ouvrants d'un vehicule automobile
GB2069587A (en) * 1980-01-16 1981-08-26 Nissan Motor Automatic vehicle-door locking system
EP0176434A1 (fr) * 1984-09-20 1986-04-02 Ecia - Equipements Et Composants Pour L'industrie Automobile Dispositif de commande de condamnation des portières et autres panneaux mobiles d'un véhicule automobile
US4785907A (en) * 1986-12-12 1988-11-22 Aisin Seiki Kabushiki Kaisha Emergency unlock assembly for onboard lock mechanism

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4322141A1 (de) * 1993-07-02 1995-01-19 Siemens Ag Anordnung und Verfahren zur Betätigung einer Zentralverriegelung in einem KFZ
EP0856625A1 (fr) * 1997-02-04 1998-08-05 Valeo Systèmes de Fermetures Serrure électrique de portière de véhicule automobile comportant une pile de secours à décharge ménagée
FR2759107A1 (fr) * 1997-02-04 1998-08-07 Valeo Systemes De Fermetures Serrure electrique de portiere de vehicule automobile comportant une pile de secours a decharge menagee
EP0902143A2 (en) * 1997-09-10 1999-03-17 Fuji Jukogyo Kabushiki Kaisha Locking mechanism of door locking apparatus for motor vehicle
EP0902143A3 (en) * 1997-09-10 2000-12-27 Fuji Jukogyo Kabushiki Kaisha Locking mechanism of door locking apparatus for motor vehicle
ITFE20100003A1 (it) * 2010-03-18 2010-06-17 Davide Baldi Dispositivo automatico d'emergenza atto al controllo di movimento nello spazio occupato dall'apertura della portiera di un autoveicolo in genere

Also Published As

Publication number Publication date
ITMI910794A0 (it) 1991-03-25
ITMI910794A1 (it) 1992-09-25
IT1245586B (it) 1994-09-29
JPH0579234A (ja) 1993-03-30

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