EP0325800B1 - Control device for a motor vehicle door-locking arrangement - Google Patents
Control device for a motor vehicle door-locking arrangement Download PDFInfo
- Publication number
- EP0325800B1 EP0325800B1 EP88121875A EP88121875A EP0325800B1 EP 0325800 B1 EP0325800 B1 EP 0325800B1 EP 88121875 A EP88121875 A EP 88121875A EP 88121875 A EP88121875 A EP 88121875A EP 0325800 B1 EP0325800 B1 EP 0325800B1
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- EP
- European Patent Office
- Prior art keywords
- control device
- servomotor
- safety switching
- switching device
- switch
- 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
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-
- 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
- E05B77/54—Automatic securing or unlocking of bolts triggered by certain vehicle parameters, e.g. exceeding a speed threshold
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
Definitions
- the invention relates generically to a control device for a door lock arrangement on a motor vehicle, of which at least one door lock has an electromotive mechanism with a servo motor, which controls itself automatically with the aid of an operating control device after activation in the sense of a locking movement or opening movement.
- a motor vehicle door lock which is set up accordingly, is for. B. described in DE-A-31 50 620.
- the servomotor has the task of facilitating or closing or closing the motor vehicle door equipped with such a door lock.
- the operational control device is generally not constructed electronically.
- the known generic control device from which the invention is based does not always meet all requirements in terms of safety. It is particularly disturbing that an unintentional opening of this motor vehicle door is possible almost without power and happens when a switch of the operating control device is actuated by mistake. It also bothers that. B. by children playing, an actuation of the servo motor until destruction by overload is possible. It cannot be ruled out that if a car door is closed carelessly, a person gets stuck because for example, it gets between the door and door rebate with your fingers, but the servomotor continues its locking movement. Garments can also be pinched in this way.
- Another control device (GB-A-21 29 044) lacks an electromotive mechanism and an associated servomotor.
- a door lock arrangement is known (EP-A-01 47 549), which has a servo motor and a discriminator assigned to the servo motor, which is intended to arrange time intervals during the passage of the actuator between different switching points, so that the working speed of the servo motor can then be set up so that that the parts thereby moved reach their end position without running in hard.
- the invention has for its object to further develop a generic control device so that an unintentional opening of the motor vehicle door while the motor vehicle is moving is no longer possible and actuation of the servo motor is ruled out until it is destroyed.
- an electronic safety switching device superordinate to the operation control device which has at least one travel sensor and an associated switch, and that the travel sensor switches off the operation control device via the assigned switch when the motor vehicle exceeds a predetermined speed
- the servo motor has an electronic counting device which counts up an actuation time of the servo motor and which counts the pause time down to zero, and wherein the counting device takes the operating control device out of operation when a predetermined value of the upward counting is reached.
- the travel sensor is designed as a wheel sensor. It can be combined with the wheel sensor of an anti-lock braking system or at the same time be designed as such. However, there is also the option of designing the travel sensor as a speedometer sensor.
- the safety switching device also includes a Has emergency switch with which the servomotor can be switched to the opening movement during the locking movement. It is understood that such an emergency switch is expediently located in a door in the area of the motor vehicle door lock. Within the scope of the invention it can also be achieved without difficulty that the servomotor is not damaged by overloading. To this end, the invention teaches that the safety switching device further comprises a servo motor protection switch which detects the temperature of the servo motor, and that the servo motor protection switch takes the operation control device out of operation when the determined temperature exceeds a predetermined maximum temperature. There are various ways of determining the maximum temperature.
- a preferred embodiment which is of particular importance because of its functional reliability, works with the counting device which, when a predetermined value of the up-counting is reached, actuates the servomotor circuit breaker which deactivates the operation control device. But you can also work with a thermal sensor, which is arranged during operation of the servo motor.
- the electronic safety switching device can be constructed in a known manner so that it controls itself: after the electronic circuits of the safety switching device are supplied with voltage, the functional sequence is released. All memories are deleted or brought to a defined content. A self-test then runs in test mode, which checks all parameters and functional parts to be tested. The status determined in this way is compared with a normal state stored in a permanent memory.
- the safety switching device has a stand-by circuit which switches on with the last actuation command from the operating control device or when the maximum temperature is reached, and that the stand-by circuit queries all functions .
- a control device can be installed in a motor vehicle in which only one of the doors is equipped with a door lock which has an electromotive mechanism and a servo motor. In general, however, several door locks are set up accordingly. In the embodiment with a plurality of door locks, each with an electromotive mechanism plus a servo motor, the invention teaches that a central safety switching device is provided for this plurality of door locks and that this is wired to all door locks via control lines and load lines.
- the electronic safety switching device as a central switching block for this plurality of door locks has in which the travel sensor with the assigned switch and possibly the stand-by circuit and possibly the device for switching the closing movement into an opening movement when an emergency switch is housed, but that the other functional parts of the safety switching device in separate switching blocks in the area the door locks are arranged.
- the operating control device can also be constructed electronically or largely electronically and can be integrated into the electronic safety switching device according to the invention. It goes without saying that the electronic safety switching device is equipped with corresponding display devices which allow the driver of the motor vehicle to check the door lock arrangement and its various functional positions.
- FIG. 1 shows a door lock 1 which belongs to a door lock arrangement on a motor vehicle.
- This door lock 1 has an electronically operated mechanism 2 with a servo motor 3, which controls itself automatically with the aid of an operating control device 4 in the sense of a locking movement or an opening movement.
- an electronic safety switching device 5 which is higher than the operation control device 4 is additionally provided. 2 and 3, the special design of the safety switching device 5 can be seen. It has at least one travel sensor 6 and is characterized in that the travel sensor 6 switches off the operating control device 4 via the assigned switch when the motor vehicle reaches a predetermined travel speed exceeds.
- the circuit is further made such that the servo motor 3 has an electronic counting device 7 which counts up the actuation time of the servo motor 3 and which counts the pause time down to zero.
- the counting device 7 takes the operation control device 4 out of operation when a predetermined value of the up-count is reached.
- the travel sensor 6 can be designed as a wheel sensor or speedometer sensor.
- the safety switching device 5 also has an emergency switch 8 with which the servo motor 3 can be switched to the opening movement during the locking movement.
- the safety switching device 5 also has a servo motor circuit breaker 9 which determines the temperature of the servo motor 3, wherein the servo motor protection switch 9 takes the operation control device 4 out of operation when the determined temperature exceeds a predetermined maximum temperature.
- the servomotor circuit breaker 9 can be provided with a temperature sensor 10.
- FIGS. 2 and 3 also show the stand-by circuit 11 of the function already described, which therefore switches on with the last actuation command from the operating control device 4 or when the predetermined maximum temperature has been reached and polls all functions.
- Fig. 2 shows that the safety switching device 5 can be designed as a central unit that operates the various door locks. As central electronics, it can be integrated in an on-board computer or can be associated with it. But it is also possible to implement decentralized electronics, as it were. This was shown in FIG. 3.
- the safety switching device 5 is here divided into two blocks, as it were. With the registered and already explained reference numerals, the embodiment of FIG. 3 is otherwise easily understandable. It is understood that in the control device according to the invention a special component for switching on or connecting to the power supply is provided, which was not shown and belongs to the safety switching device 5. Otherwise, the safety switching device 5 is provided with a status or error display 12. Locking and unlocking can be operated as usual via a corresponding component 13.
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Description
Die Erfindung bezieht sich gattungsgemäß auf eine Steuereinrichtung für eine Türverschlußanordnung an einem Kraftfahrzeug, von der zumindest ein Türverschluß eine elektromotorisch betätigte Mechanik mit einem Servomotor aufweist, der sich mit Hilfe einer Betriebssteuereinrichtung nach Ansteuerung im Sinne einer Verriegelungsbewegung bzw. Öffnungsbewegung selbsttätig steuert. - Ein Kraftfahrzeugtürverschluß, der entsprechend eingerichtet ist, ist z. B. in DE-A-31 50 620 beschrieben. Der Servomotor hat die Aufgabe, das Zuziehen bzw. Öffnen der mit einem solchen Türverschluß ausgerüsteten Kraftfahrzeugtür zu erleichtern oder zu bewirken. Die Betriebssteuereinrichtung ist im allgemeinen nicht elektronisch aufgebaut.The invention relates generically to a control device for a door lock arrangement on a motor vehicle, of which at least one door lock has an electromotive mechanism with a servo motor, which controls itself automatically with the aid of an operating control device after activation in the sense of a locking movement or opening movement. - A motor vehicle door lock, which is set up accordingly, is for. B. described in DE-A-31 50 620. The servomotor has the task of facilitating or closing or closing the motor vehicle door equipped with such a door lock. The operational control device is generally not constructed electronically.
Die bekannte gattungsgemäße Steuereinrichtung, von der die Erfindung ausgeht, genügt in sicherheitstechnischer Hinsicht nicht immer allen Anforderungen. Insbesondere stört, daß ein unbeabsichtigtes Öffnen dieser Kraftfahrzeugtür nahezu kraftlos möglich ist und geschieht, wenn versehentlich ein Schalter der Betriebssteuereinrichtung betätigt wird. Darüber hinaus stört, daß, z. B. durch spielende Kinder, eine Betätigung des Servomotors bis zur Zerstörung durch Überlastung möglich ist. Auch kann nicht ausgeschlossen werden, daß bei unvorsichtigem Schließen einer Kraftfahrzeugtür eine Person sich klemmt, weil sie beispielsweise mit den Fingern zwischen Tür und Türfalz gelangt, der Servomotor seine Verriegelungsbewegung jedoch fortsetzt. Auch können auf diese Weise Kleidungsstücke eingeklemmt werden.The known generic control device from which the invention is based does not always meet all requirements in terms of safety. It is particularly disturbing that an unintentional opening of this motor vehicle door is possible almost without power and happens when a switch of the operating control device is actuated by mistake. It also bothers that. B. by children playing, an actuation of the servo motor until destruction by overload is possible. It cannot be ruled out that if a car door is closed carelessly, a person gets stuck because for example, it gets between the door and door rebate with your fingers, but the servomotor continues its locking movement. Garments can also be pinched in this way.
Ferner ist es bekannt, Kindersicherungen an Kraftfahrzeugtüren in Abhängigkeit von Betriebsparametern des Kraftfahrzeuges zu schalten.It is also known to switch child locks on motor vehicle doors as a function of operating parameters of the motor vehicle.
Bei einer anderen Steuereinrichtung (GB-A-21 29 044) fehlen eine elektromotorisch betätigte Mechanik und ein zugehöriger Servomotor. Dafür ist zumindest ein Fahrtsensor und ein zugeordneter Schalter in Form eines Magnetventils vorhanden, das die mechanische Betätigung des Türverschlusses blockiert oder freigibt.Another control device (GB-A-21 29 044) lacks an electromotive mechanism and an associated servomotor. For this purpose, there is at least one travel sensor and an associated switch in the form of a solenoid valve that blocks or releases the mechanical actuation of the door lock.
Schließlich ist eine Türverschlußanordnung bekannt (EP-A-01 47 549), die einen Servomotor und einen dem Servomotor zugeordneten Diskriminator aufweist, der Zeitintervalle beim Durchlauf des Stellantriebes zwischen verschiedenen Schaltpunkten einordnen soll, so daß danach die Arbeitsgeschwindigkeit des Servomotors so eingerichtet werden kann, daß die dadurch bewegten Teile in ihre Endstellung gelangen, ohne hart einzulaufen.Finally, a door lock arrangement is known (EP-A-01 47 549), which has a servo motor and a discriminator assigned to the servo motor, which is intended to arrange time intervals during the passage of the actuator between different switching points, so that the working speed of the servo motor can then be set up so that that the parts thereby moved reach their end position without running in hard.
Der Erfindung liegt die Aufgabe zugrunde, eine gattungsgemäße Steuereinrichtung so weiter auszubilden, daß ein unbeabsichtigtes Öffnen der Kraftfahrzeugtür während der Fahrt des Kraftfahrzeuges nicht mehr möglich ist und eine Betätigung des Servomotors bis zur Zerstörung ausgeschlossen wird.The invention has for its object to further develop a generic control device so that an unintentional opening of the motor vehicle door while the motor vehicle is moving is no longer possible and actuation of the servo motor is ruled out until it is destroyed.
Diese Aufgabe wird dadurch gelöst, daß zusätzlich eine der Betriebssteuereinrichtung übergeordnete elektronische Sicherheitsschaltvorrichtung vorgesehen ist, die zumindest einen Fahrtsensor und einen zugeordneten Schalter aufweist, und daß der Fahrtsensor über den zugeordneten Schalter die Betriebssteuereinrichtung abschaltet, wenn das kraftfahrzeug eine vorgegebene Geschwindigkeit überschreitet, wobei der Servomotor eine elektronische Zählvorrichtung aufweist, welche eine Betätigungszeit des Servomotors aufwärtszählt und welche die Pausenzeit, bis auf null, gegenzählt, und wobei die Zählvorrichtung bei Erreichen eines vorgegebenen Wertes der Aufwärtszählung die Betriebssteuereinrichtung außer Betrieb nimmt. Nach bevorzugter Ausführungsform der Erfindung ist der Fahrtsensor als Radsensor ausgebildet. Er kann mit dem Radsensor eines Antiblockierbrennsystems vereinigt oder zugleich als solcher ausgebildet sein. Es besteht aber auch die Möglichkeit, den Fahrtsensor als Tachosensor auszubilden. Um zu verhindern, daß jemand dadurch zu Schaden kommt, daß er sich wie beschrieben klemmt oder daß sein Kleidungsstück zwischen Tür und Türfalz eingeklemmt wird, lehrt die Erfindung, daß die Sicherheitsschaltvorrichtung außerdem einen Notschalter aufweist, mit dem bei der Verriegelungsbewegung der Servomotor auf Öffnungsbewegung umschaltbar ist. Es versteht sich, daß ein solcher Notschalter sich zweckmäßigerweise im Bereich des Kraftfahrzeugtürverschlusses in einer Tür befindet. Im Rahmen der Erfindung kann ohne Schwierigkeiten auch erreicht werden, daß der Servomotor durch Überlastung keinen Schaden nimmt. Dazu lehrt die Erfindung, daß die Sicherheitsschaltvorrichtung weiterhin einen Servomotor-Schutzschalter aufweist, der die Temperatur des Servomotors ermittelt, und daß der Servomotor-Schutzschalter die Betriebssteuereinrichtung außer Betrieb nimmt, wenn die ermittelte Temperatur eine vorgegebene Höchsttemperatur überschreitet. Um die Höchsttemperatur zu ermitteln, bestehen verschiedene Möglichkeiten. Eine bevorzugte Ausführungsform, der wegen ihrer Funktionssicherheit besondere Bedeutung zukommt, arbeitet mit der Zählvorrichtung, die bei Erreichen eines vorgegebenen Wertes der Aufwärtszählung den Servomotor-Schutzschalter betätigt, der die Betriebssteuereinrichtung außer Betrieb setzt. Man kann aber auch mit einem Thermofühler arbeiten, der im Betrieb des Servomotors angeordnet ist. - Es versteht sich, daß die elektronische Sicherheitsschaltvorrichtung in bekannter Weise so aufgebaut sein kann, daß sie sich selbst kontrolliert: Nachdem die elektronischen Schaltkreise der Sicherheitsschaltvorrichtung mit Spannung beaufschlagt sind, wird der Funktionsablauf freigegeben. Alle Speicher werden gelöscht bzw. auf einen definierten Inhalt gebracht. Danach läuft im Testmodus ein Selbsttest ab, der alle zu testenden Parameter und Funktionsteile überprüft. Der so ermittelte Status wird mit einem in einem Festspeicher abgelegten Normalzustand verglichen. Zeigt der Selbsttest keine Fehler, so ist das System funktionsbereit. Es erfolgt, wenn erforderlich, eine Synchronisation der Bauteile bzw. Aggregate. Dabei werden alle asynchronen Türverschlüsse in die Position "Tür auf" gefahren. Die Vielzahl elektrischer Verbraucher in einem Kraftfahrzeug bedeutet eine erhebliche Belastung der Kraftfahrzeugbatterie. Einige Funktionsgruppen, wie Zentralverriegelung, Zeitmesser, elektromotorisch betätigte Türverschlüsse usw. müssen dauernd funktionsbereit sein. Dazu kommt der Wunsch, Zusatzinformationen, die während des Betriebes entstehen, dauerhaft zu speichern. Alle diese Funktionsgruppen müssen deshalb an den direkten Batteriekreis angeschlossen werden. Um einen möglichst geringen Ruhestromverbrauch zu haben, lehrt die Erfindung, daß die Sicherheitsschaltvorrichtung eine Stand-By-Schaltung aufweist, die sich mit dem letzten Betätigungsbefehl der Betriebssteuereinrichtung bzw. bei Erreichen der Höchsttemperatur einschaltet, und daß die Stand-By-Schaltung alle Funktionen abfragt.This object is achieved in that an electronic safety switching device superordinate to the operation control device is provided, which has at least one travel sensor and an associated switch, and that the travel sensor switches off the operation control device via the assigned switch when the motor vehicle exceeds a predetermined speed, the servo motor has an electronic counting device which counts up an actuation time of the servo motor and which counts the pause time down to zero, and wherein the counting device takes the operating control device out of operation when a predetermined value of the upward counting is reached. According to a preferred embodiment of the invention, the travel sensor is designed as a wheel sensor. It can be combined with the wheel sensor of an anti-lock braking system or at the same time be designed as such. However, there is also the option of designing the travel sensor as a speedometer sensor. In order to prevent someone from being injured by being pinched as described or by being pinched between the door and the door rebate, the invention teaches that the safety switching device also includes a Has emergency switch with which the servomotor can be switched to the opening movement during the locking movement. It is understood that such an emergency switch is expediently located in a door in the area of the motor vehicle door lock. Within the scope of the invention it can also be achieved without difficulty that the servomotor is not damaged by overloading. To this end, the invention teaches that the safety switching device further comprises a servo motor protection switch which detects the temperature of the servo motor, and that the servo motor protection switch takes the operation control device out of operation when the determined temperature exceeds a predetermined maximum temperature. There are various ways of determining the maximum temperature. A preferred embodiment, which is of particular importance because of its functional reliability, works with the counting device which, when a predetermined value of the up-counting is reached, actuates the servomotor circuit breaker which deactivates the operation control device. But you can also work with a thermal sensor, which is arranged during operation of the servo motor. - It goes without saying that the electronic safety switching device can be constructed in a known manner so that it controls itself: after the electronic circuits of the safety switching device are supplied with voltage, the functional sequence is released. All memories are deleted or brought to a defined content. A self-test then runs in test mode, which checks all parameters and functional parts to be tested. The status determined in this way is compared with a normal state stored in a permanent memory. If the self-test shows no errors, the system is ready for operation. If necessary, the components or units are synchronized. Here all asynchronous door locks are moved to the "door open" position. The large number of electrical consumers in a motor vehicle means a considerable load on the motor vehicle battery. Some function groups, such as central locking, timepieces, electromotive door locks, etc. must be permanently functional. In addition, there is the desire to permanently store additional information that arises during operation. All of these function groups must therefore be connected to the direct battery circuit. In order to have the lowest possible quiescent current consumption, the invention teaches that the safety switching device has a stand-by circuit which switches on with the last actuation command from the operating control device or when the maximum temperature is reached, and that the stand-by circuit queries all functions .
Eine erfindungsgemäße Steuereinrichtung kann bei einem Kraftfahrzeug installiert werden, bei dem nur eine der Türen mit einem Türverschluß ausgerüstet ist, der eine elektromotorisch betätigte Mechanik und einen Servomotor aufweist. Im allgemeinen sind jedoch mehrere Türverschlüsse entsprechend eingerichtet. In der Ausführungsform mit einer Mehrzahl von Türverschlüssen mit jeweils einer elektromotorisch betätigten Mechanik plus Servomotor lehrt die Erfindung, daß für diese Mehrzahl der Türverschlüsse eine zentrale Sicherheitsschaltvorrichtung vorgesehen und diese mit allen Türverschlüssen über Steuerleitungen und Lastleitungen verkabelt ist. Bei dieser Ausführungsform mit einer Mehrzahl von Türverschlüssen mit einer elektromotorisch betätigten Mechanik plus Servomotor besteht aber auch die Möglichkeit, die Anordnung so zu treffen, daß die elektronische Sicherheitsschaltvorrichtung einen zentralen Schaltblock für diese Mehrzahl der Türverschlüsse aufweist, in den der Fahrtsensor mit dem zugeordneten Schalter und ggf. die Stand-By-Schaltung sowie ggf. die Einrichtung zur Umschaltung der Schließbewegung in eine Öffnungsbewegung bei Betätigung eines Notschalters untergebracht sind, daß aber die übrigen Funktionsteile der Sicherheitsschaltvorrichtung in separaten Schaltblöcken im Bereich der Türverschlüsse angeordnet sind.A control device according to the invention can be installed in a motor vehicle in which only one of the doors is equipped with a door lock which has an electromotive mechanism and a servo motor. In general, however, several door locks are set up accordingly. In the embodiment with a plurality of door locks, each with an electromotive mechanism plus a servo motor, the invention teaches that a central safety switching device is provided for this plurality of door locks and that this is wired to all door locks via control lines and load lines. In this embodiment with a plurality of door locks with an electromotive mechanism plus a servo motor, there is also the possibility of arranging the electronic safety switching device as a central switching block for this plurality of door locks has in which the travel sensor with the assigned switch and possibly the stand-by circuit and possibly the device for switching the closing movement into an opening movement when an emergency switch is housed, but that the other functional parts of the safety switching device in separate switching blocks in the area the door locks are arranged.
Im Rahmen der Erfindung kann auch die Betriebssteuereinrichtung elektronisch oder weitgehend elektronisch aufgebaut und in die erfindungsgemäße elektronische Sicherheitsschaltvorrichtung integriert sein. Es versteht sich, daß die elektronische Sicherheitsschaltvorrichtung mit entsprechenden Anzeigeeinrichtungen ausgerüstet ist, die es dem Fahrer des Kraftfahrzeuges erlauben, die Türverschlußanordnung und deren verschiedene Funktionsstellungen zu überprüfen.Within the scope of the invention, the operating control device can also be constructed electronically or largely electronically and can be integrated into the electronic safety switching device according to the invention. It goes without saying that the electronic safety switching device is equipped with corresponding display devices which allow the driver of the motor vehicle to check the door lock arrangement and its various functional positions.
Im folgenden wird die Erfindung anhand einer lediglich ein Ausführungsbeispiel darstellenden Zeichnung erläutert. Es zeigen
- Fig. 1
- ein Systemschema der erfindungsgemäßen Steuereinrichtung,
- Fig. 2
- ein Blockschaltbild der Sicherheitsschaltvorrichtung zum Gegenstand nach Fig. 1 und
- Fig. 3
- ein anderes Blockschaltbild der Sicherheitsschaltvorrichtung zu dem Gegenstand der Fig. 1.
- Fig. 1
- 2 shows a system diagram of the control device according to the invention,
- Fig. 2
- a block diagram of the safety switching device to the subject of Fig. 1 and
- Fig. 3
- another block diagram of the safety switching device to the subject of FIG. 1st
In der Fig. 1 erkennt man zunächst einen Türverschluß 1, der einer Türverschlußanordnung an einem Kraftfahrzeug angehört. Dieser Türverschluß 1 besitzt eine elektronisch betätigte Mechanik 2 mit einem Servomotor 3, der sich mit Hilfe einer Betriebssteuereinrichtung 4 im Sinne einer Verriegelungsbewegung bzw. einer Öffnungsbewegung selbsttätig steuert. Man erkennt, daß zusätzlich eine der Betriebssteuereinrichtung 4 übergeordnete elektronische Sicherheitsschaltvorrichtung 5 vorgesehen ist. Nimmt man die Fig. 2 und 3 hinzu, so erkennt man die besondere Ausbildung der Sicherheitsschaltvorrichtung 5. Sie besitzt zumindest einen Fahrtsensor 6 und ist dadurch gekennzeichnet, daß der Fahrtsensor 6 über den zugeordneten Schalter die Betriebssteuereinrichtung 4 abschaltet, wenn das Kraftfahrzeug eine vorgegebene Fahrtgeschwindigkeit überschreitet. Die Schaltung ist fernerhin so getroffen, daß der Servomotor 3 eine elektronische Zählvorrichtung 7 aufweist, welche die Betätigungszeit des Servomotors 3 aufwärtszählt und welche die Pausenzeit bis auf null gegenzählt. Die Zählvorrichtung 7 nimmt bei Erreichen eines vorgegebenen Wertes der Aufwärtszählung die Betriebssteuereinrichtung 4 außer Betrieb. Der Fahrtsensor 6 kann als Radsensor oder Tachosensor ausgebildet sein.1 shows a
Um zu verhindern, daß durch die Betätigung des Servomotors 3 die vorstehend schon beschriebenen bestimmungswidrigen Situationen auftreten können, weist die Sicherheitsschaltvorrichtung 5 außerdem einen Notschalter 8 auf, mit dem bei der Verriegelungsbewegung der Servomotor 3 auf Öffnungsbewegung umschaltbar ist. Um zu verhindern, daß der Servomotor 3 bei bestimmungswidriger Betätigung Schaden nimmt, besitzt die Sicherheitsschaltvorrichtung 5 weiterhin einen Servomotor-Schutzschalter 9, der die Temperatur des Servomotors 3 ermittelt, wobei der Servomotor-Schutzschalter 9 die Betriebssteuereinrichtung 4 außer Betrieb nimmt, wenn die ermittelte Temperatur eine vorgegebene Höchsttemperatur überschreitet. Dazu kann der Servomotor-Schutzschalter 9 mit einem Temperaturfühler 10 versehen sein. In den Fig. 2 und 3 erkennt man auch die Stand-By-Schaltung 11 der schon beschriebenen Funktion, die sich also mit dem letzten Betätigungsbefehl der Betriebssteuereinrichtung 4 bzw. bei Erreichen der vorgegebenen Höchsttemperatur einschaltet und alle Funktionen abfragt.In order to prevent the improper use of the servo motor 3 from occurring as described above, the
Die Fig. 2 zeigt, daß die Sicherheitsschaltvorrichtung 5 als ein zentrales Aggregat ausgebildet sein kann, welches die verschiedenen Türverschlüsse bedient. Sie kann als Zentralelektronik in einen Bordcomputer integriert oder diesem beigeordnet sein. Es besteht aber auch die Möglichkeit, gleichsam eine dezentrale Elektronik zu verwirklichen. Das wurde in der Fig. 3 dargestellt. Die Sicherheitsschaltvorrichtung 5 ist hier gleichsam in zwei Blöcke aufgeteilt. Mit den eingetragenen und schon erläuterten Bezugszeichen ist die Ausführungsform nach Fig. 3 im übrigen ohne weiteres verständlich. Es versteht sich, daß bei der erfindungsgemäßen Steuereinrichtung ein besonderes Bauteil für die Einschaltung oder den Anschluß an die Energieversorgung vorgesehen ist, welches nicht gezeichnet wurde und der Sicherheitsschaltvorrichtung 5 angehört. Im übrigen ist die Sicherheitsschaltvorrichtung 5 mit einer Zustands- oder Fehleranzeige 12 versehen. Verriegelung und Entriegelung können über ein entsprechendes Bauteil 13 wie üblich betätigt werden.Fig. 2 shows that the
Claims (9)
- A control device for a door lock arrangement on a motor vehicle, of which at least one door lock (1) has a mechanism (2) actuated by an electric motor, with a servomotor (3) which is automatically controlled by means of an operating control device (4) in the sense of triggering a locking movement or an opening movement, characterised in that an electronic safety switching device (5) is provided in addition, which overrides the operating control device (4), and which in addition has at least one vehicle motion sensor (6) and an associated switch, and that the vehicle motion sensor (6) disconnects the operating control device (4) by means of its associated switch when the motor vehicle exceeds a predetermined speed, wherein the servomotor (3) has an electronic counting device (7) which counts up the time of actuation of the servomotor and which counts dead time down to zero against this, and wherein the counting device (7) puts the operating control device (4) out of action when a predetermined value of the count-up has been reached.
- A control device according to Claim 1, characterised in that the vehicle motion sensor (6) is formed as a wheel sensor.
- A control device according to Claim 1, characterised in that the vehicle motion sensor (6) is formed as a speedometer sensor.
- A control device according to any one of Claims 1 to 3, characterised in that the safety switching device (5) also has an emergency switch (8), by means of which the servomotor (3) can be switched over to an opening movement when a locking movement is taking place.
- A control device according to any one of Claims 1 to 4, characterised in that the safety switching device (5) also has a servomotor protection switch (9) which determines the temperature of the servomotor (3), and that the servomotor protection switch (9) puts the operating control device (4) out of action when the temperature which is determined exceeds a predetermined maximum temperature.
- A control device according to any one of Claims 1 to 5, characterised in that the servomotor protection switch (9) has a temperature sensor (10) for the temperature of the servomotor.
- A control device according to any one of Claims 1 to 6, characterised in that the safety switching device (5) has a stand-by circuit (11) which is switched on with the last actuating command of the operating control device (4) or on reaching the predetermined maximum temperature, and that the stand-by circuit (11) checks all the functions.
- A control device according to any one of Claims 1 to 7 in a form of construction with a multiplicity of door locks (1) with a mechanism (2) actuated by an electric motor plus a servomotor (3), characterised in that a central safety switching device (12) is provided for this multiplicity of door locks (1) and that this central safety switching device is wired to all the door locks (1) via control leads and load connections.
- A control device according to any one of Claims 1 to 7 in a form of construction with a multiplicity of door locks (1) with a mechanism (2) actuated by an electric motor plus a servomotor (3), characterised in that the electronic safety switching device has a central switching unit (5) for this multiplicity of door locks, which houses the vehicle motion sensor (6) with its associated switch and possibly the stand-by circuit (11) and possibly the device for changing the locking movement to an opening movement when an emergency switch (8) is actuated, and that the remaining operating parts of the safety switching device are disposed in separate switch units (5) in the region of the door locks (1).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3801650A DE3801650C1 (en) | 1988-01-21 | 1988-01-21 | |
| DE3801650 | 1988-01-21 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0325800A2 EP0325800A2 (en) | 1989-08-02 |
| EP0325800A3 EP0325800A3 (en) | 1990-01-31 |
| EP0325800B1 true EP0325800B1 (en) | 1992-08-12 |
Family
ID=6345691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP88121875A Expired - Lifetime EP0325800B1 (en) | 1988-01-21 | 1988-12-30 | Control device for a motor vehicle door-locking arrangement |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4949804A (en) |
| EP (1) | EP0325800B1 (en) |
| JP (1) | JPH0689619B2 (en) |
| DE (2) | DE3801650C1 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3929987A1 (en) * | 1989-09-08 | 1991-03-21 | Bayerische Motoren Werke Ag | Security catch for vehicle door - only allows servo to open door when vehicle is parked |
| JPH04136385A (en) * | 1990-09-26 | 1992-05-11 | Mazda Motor Corp | Door lock structure of car |
| DE4104801C1 (en) * | 1991-02-16 | 1992-09-10 | Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De | Locking installation for motor vehicle doors - responds to control signals only when sent at correct time intervals |
| DE4322141A1 (en) * | 1993-07-02 | 1995-01-19 | Siemens Ag | Arrangement and method for activating a central locking system in a motor vehicle |
| DE19500999C1 (en) * | 1995-01-14 | 1996-01-04 | Daimler Benz Ag | Motor vehicle security system |
| EP0922826A3 (en) * | 1997-12-10 | 2002-01-16 | Delphi Automotive Systems Deutschland GmbH | Method and device for controlling the lock status of a vehicle door |
| GB9925009D0 (en) * | 1999-10-23 | 1999-12-22 | Meritor Light Vehicle Sys Ltd | Latch arrangement |
| DE10029616A1 (en) * | 2000-06-15 | 2001-12-20 | Volkswagen Ag | Door locking circuit for moving motor vehicle has doors automatically locked during motion by an electromechanical control |
| DE10334711A1 (en) * | 2003-07-30 | 2005-02-24 | Daimlerchrysler Ag | Security system for operating at least one electrically actuable closure device of a vehicle |
| AT501893B1 (en) * | 2005-08-01 | 2006-12-15 | Knorr Bremse Gmbh | METHOD AND DEVICE FOR EXTERIOR OPERATION OF DEFECTIVE DOORS |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3575604A (en) * | 1969-09-17 | 1971-04-20 | Gen Signal Corp | Motion control on doors of rapid transit cars |
| JPS502129B1 (en) * | 1970-09-02 | 1975-01-23 | ||
| US3871474A (en) * | 1973-06-06 | 1975-03-18 | Chrysler Corp | Electric automatic door locking system |
| DE3150620C2 (en) * | 1981-12-21 | 1986-12-18 | Kiekert GmbH & Co KG, 5628 Heiligenhaus | Door lock for a motor vehicle door |
| GB2129044B (en) * | 1982-10-12 | 1986-03-12 | Motor Vehicle Security Systems | Safety latch |
| DE3347024A1 (en) * | 1983-12-24 | 1985-07-04 | Vdo Adolf Schindling Ag, 6000 Frankfurt | ELECTRICAL CENTRAL LOCKING DEVICE FOR MOTOR VEHICLES AND METHOD FOR ELECTRICAL CENTRAL LOCKING |
| DE3438342A1 (en) * | 1984-10-19 | 1986-04-24 | Audi AG, 8070 Ingolstadt | Locking system for motor-vehicle doors |
| US4679508A (en) * | 1986-02-21 | 1987-07-14 | Westinghouse Electric Corp. | Transit vehicle door control apparatus |
| US4821836A (en) * | 1987-05-08 | 1989-04-18 | Chrysler Motors Corporation | Vehicle integral speedometer and automatic door lock system |
-
1988
- 1988-01-21 DE DE3801650A patent/DE3801650C1/de not_active Expired
- 1988-12-30 DE DE8888121875T patent/DE3873734D1/en not_active Expired - Fee Related
- 1988-12-30 EP EP88121875A patent/EP0325800B1/en not_active Expired - Lifetime
-
1989
- 1989-01-18 JP JP787389A patent/JPH0689619B2/en not_active Expired - Lifetime
- 1989-01-18 US US07/298,595 patent/US4949804A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH028477A (en) | 1990-01-11 |
| EP0325800A3 (en) | 1990-01-31 |
| DE3873734D1 (en) | 1992-09-17 |
| EP0325800A2 (en) | 1989-08-02 |
| US4949804A (en) | 1990-08-21 |
| JPH0689619B2 (en) | 1994-11-09 |
| DE3801650C1 (en) | 1989-03-23 |
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