EP3274530B1 - Electric actuating device with emergency current supply for a motor vehicle electric lock and method - Google Patents

Electric actuating device with emergency current supply for a motor vehicle electric lock and method Download PDF

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Publication number
EP3274530B1
EP3274530B1 EP16735568.4A EP16735568A EP3274530B1 EP 3274530 B1 EP3274530 B1 EP 3274530B1 EP 16735568 A EP16735568 A EP 16735568A EP 3274530 B1 EP3274530 B1 EP 3274530B1
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EP
European Patent Office
Prior art keywords
operating device
switch
locking mechanism
previous
power supply
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EP16735568.4A
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German (de)
French (fr)
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EP3274530B8 (en
EP3274530A1 (en
Inventor
Thorsten Bendel
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Kiekert AG
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Kiekert AG
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    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/12—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators
    • E05B81/14—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators operating on bolt detents, e.g. for unlatching the bolt
    • 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
    • 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
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/02—Power-actuated vehicle locks characterised by the type of actuators used
    • E05B81/04—Electrical
    • E05B81/06—Electrical using rotary motors

Definitions

  • the invention relates to an actuating device for a lock of a motor vehicle together with methods.
  • a door or flap of a motor vehicle basically comprises a lock of the aforementioned type.
  • the lock has a locking mechanism in order to be able to open and close a door or flap.
  • the locking mechanism basically comprises a rotary latch and a pawl for locking the catch in a latching position and optionally a blocking lever for blocking the pawl in its latching position.
  • the actuator is used to open the door or flap and therefore allows unlatching of the locking mechanism.
  • the actuator By pressing the actuator, the pawl from its detent position and, if necessary, the blocking lever of the blocking lever is moved out of its blocking position and the locking mechanism finally opened. Following this, the door or flap can be opened.
  • the actuating device usually has a release lever which is actuated in order to open or unlatch the locking mechanism.
  • a trigger lever is typically connected to a handle of the door or flap. It may be an external handle or an internal handle of the corresponding door or flap. If such a handle is actuated, the release lever is actuated or pivoted to unlatch the locking mechanism and thus to open the lock.
  • worm gear consisting of motor, worm and gear, used, since this a large gear ratio can be realized, so that on the one hand a very accurate control of the opening mechanism can be done while high release forces are available.
  • a power source for an electric lock may fail, for example, as a result of an accident.
  • a device should be available with which, however, an electric lock can be opened.
  • an actuating device for an electrical opening of a locking mechanism in which a first and a second current source are present.
  • the actuating device has an electronic control unit and a switch, which is controlled by the electronic control unit, in order to use it for electrical opening with sufficient power of the first power source and to use the second power source as an emergency power supply with insufficient power of the first power source.
  • the object is achieved by an actuating device having the features of the first claim.
  • Advantageous embodiments emerge from the subclaims.
  • the additional claim relates to a method for opening a Gesperres.
  • an actuating device for opening the locking mechanism comprises an electrical release mechanism with which a locking mechanism can be opened by actuating the actuating device.
  • the actuator can be actuated to open the locking mechanism.
  • the switch which is opened by applying a voltage and closes when the voltage drops or falls below a minimum voltage, comprises an electromagnet, which is able to hold the switch in the open position.
  • This switch is installed or installed in such a way that it is open in the presence of a power source intended for opening the lock, hereinafter also referred to as main power source or vehicle power supply.
  • the switch is installed and / or constructed so that it connects the actuator with an emergency power source, also called emergency power supply when the main power source.
  • an emergency power source also called emergency power supply when the main power source.
  • Disposal of this main power source also means that the voltage of the power source drops below a threshold at which an electrical opening using this power source is no longer possible.
  • Electrical release mechanism means that the actuator is operated by means of an electric drive in order to be able to open a corresponding locking mechanism.
  • Connecting the actuator to an emergency power source means that the emergency power source for a power consumer of the actuator is available such that when needed the consumer receives its required power from the emergency power source.
  • a switch comprises any form of switching means, and in particular also semiconductor switches and relays.
  • a main power source differs from an emergency power source in particular by a higher electrical power that can be provided by the main power source. Therefore, the main power source not only supplies power to the actuator, but also supplies a large variety of other components in a motor vehicle. In contrast, the emergency power source can be provided only for the power supply of the actuator.
  • the switch which is opened by applying a voltage and closes when the voltage drops or falls below a minimum voltage, comprises in one embodiment a spring, hereinafter also called contact spring, which is magnetically held in the open and biased position by means of the electromagnet. If the voltage drops or falls below a predetermined minimum value, the electromagnet is no longer able to hold the contact spring in the open position. The contact spring then jumps due to its bias in its closed position, whereby the switch is closed. This closing has the consequence that the emergency power source is available as an energy supplier for a power consumer of the actuator.
  • the aforementioned switch which is opened by applying a voltage and which closes when the voltage drops or falls below a minimum voltage, can alternatively or additionally open and close electrically or electronically controlled.
  • an electronic controller which monitors the voltage of the main power source and which uses a still available electric power when the voltage drops to close the switch so as to connect the actuator to the emergency power source.
  • the actuating device is preferably supplied directly with power by an emergency power supply or emergency power source if the switch which closes when an applied voltage drops or falls below a minimum voltage of a main power source is closed.
  • an emergency power supply or emergency power source if the switch which closes when an applied voltage drops or falls below a minimum voltage of a main power source is closed.
  • no control device or control device is required for such a closing, which controls the opening of a locking mechanism by receiving an electrical signal.
  • a lock can be opened by the emergency power supply even if not only the main power supply has failed, but also a control device of the actuator.
  • the actuating device comprises a control unit which controls an opening of the locking mechanism. If the actuating device is sufficiently supplied with power by a main power source, an actuation of the actuating device results in the control unit receiving a signal. The control unit then controls the opening of the locking mechanism.
  • a controller is associated with the advantage that positions of the lock can be monitored and depending on which opening can be controlled. For example, the case may occur that a locking mechanism can not be opened with the usual force and this is detected by the control unit by means of one or more sensors. The controller then activates an additional opening force to open the locking mechanism with increased force.
  • a preloaded spring may be present, which is released controlled if necessary by the control unit and thereby an additional force for opening a locking mechanism provided. It is therefore advantageous, inter alia, to be able to open a locking mechanism controlled by a control unit.
  • the actuating device comprises a switch, which is able to open electrically by pressing an associated locking mechanism by means of an emergency power supply. "Immediately" means that by closing the switch on an electric drive provided for this purpose, the voltage provided by the emergency power source is applied and thus an associated locking mechanism is opened. In particular, no signal is then forwarded to a control unit, which then controls an opening.
  • the actuating device comprises a switch, which transmits a signal to a control unit by actuation, the control unit, following receipt of the signal, controlling an opening of a locking mechanism by means of a main power source.
  • This switch is in particular at the same time the aforementioned switch, which is able to open electrically by pressing an associated locking mechanism by means of an emergency power supply.
  • the FIG. 1 shows an actuator and a locking mechanism, which can be opened by operating the actuator.
  • the locking mechanism comprises a rotary latch 1, which can be pivoted about its axis 2.
  • the rotary latch 1 is locked by a pawl 3.
  • By locking a lock holder 5 is held by the catch 1.
  • An associated door or flap is then closed.
  • the pawl 3 can be rotated counterclockwise around its axis 4 from the detent position, so as to open the locking mechanism.
  • the locked state is like in the FIG. 1 shown in the main locking position a locking surface 7 of the rotary latch 1 to a blocking surface 6 of the pawl 3 at.
  • the catch 1 has a further blocking surface 15 with which the catch can be locked in the pre-locking position.
  • the arm of the pawl 3 is angular.
  • the angled end 8 of the pawl 3 extends to a rotatably mounted pin 9 which is part of the actuator.
  • the bolt 9 can be rotated about an axis 10 around.
  • the bolt 9 is perpendicular from a gear 11 from.
  • a worm 12 abuts against the teeth of the gear 11.
  • the worm 12 is connected to a shaft 13 of an electric motor 14.
  • FIG. 2 shows a vehicle power supply 16 and an emergency power supply 17. Both power supplies are connected to an actuating switch 18, which is actuated for an electrical opening of the locking mechanism.
  • a control device for the actuator together with locking mechanism comprises two switches 19 and 20. If the operating switch 18 is actuated, a signal is forwarded to the control unit. The controller then closes the switch 20. This has the consequence that the actuator is supplied with power and the electric motor 14 electrically opens the locking mechanism.
  • the switch 19 is held in this time by an electromagnet 21 in the open position.
  • the electromagnet 21 draws its required power from the main power source, so the vehicle power supply 16. If this power supply for the solenoid 21, so that moves in the open state biased contact spring 22 of the switch 19 in the closed position due to their spring force.
  • the electromagnet 21 is no longer supplied with sufficient power or no longer with power. Thereafter, the switch 19 closes. If now the actuation switch 18 is actuated for an electrical opening, then current is forwarded from the emergency power source 17 via the electrical switch 19 directly to the actuating device. The actuator opens and that even if the controller with the switches 19 and 20 also fails.
  • the emergency power source 17 is in particular part of the actuating device.
  • the actuating device is designed as a module which comprises the emergency power source 17 and which is installed as a module in a vehicle door or a vehicle door. In the non-installed state, the actuating device thus already includes the emergency power source 17. This is especially possible because the emergency power source may be a sufficiently small sized battery. This embodiment ensures improved that an electric lock can be opened even if a main power source 16.

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  • Lock And Its Accessories (AREA)

Description

Die Erfindung betrifft eine Betätigungseinrichtung für ein Schloss eines Kraftfahrzeugs nebst Verfahren.The invention relates to an actuating device for a lock of a motor vehicle together with methods.

Eine Tür oder Klappe eines Kraftfahrzeugs umfasst grundsätzlich ein Schloss der vorgenannten Art. Das Schloss weist ein Gesperre auf, um eine Tür oder Klappe öffnen und schließen zu können. Das Gesperre umfasst grundsätzlich eine Drehfalle und eine Sperrklinke für ein Verrasten der Drehfalle in einer Rastposition sowie optional einen Blockadehebel für ein Blockieren der Sperrklinke in ihrer Rastposition.A door or flap of a motor vehicle basically comprises a lock of the aforementioned type. The lock has a locking mechanism in order to be able to open and close a door or flap. The locking mechanism basically comprises a rotary latch and a pawl for locking the catch in a latching position and optionally a blocking lever for blocking the pawl in its latching position.

Die Betätigungseinrichtung dient dem Öffnen der Tür oder Klappe und ermöglicht daher ein Entrasten des Gesperres. Durch Betätigen der Betätigungseinrichtung wird die Sperrklinke aus ihrer Rastposition sowie ggfs. der Blockadehebel der Blockadehebel aus seiner blockierenden Position heraus bewegt und das Gesperre schließlich geöffnet. Im Anschluss daran kann die Tür oder Klappe geöffnet werden.The actuator is used to open the door or flap and therefore allows unlatching of the locking mechanism. By pressing the actuator, the pawl from its detent position and, if necessary, the blocking lever of the blocking lever is moved out of its blocking position and the locking mechanism finally opened. Following this, the door or flap can be opened.

Die Betätigungseinrichtung verfügt üblicherweise über einen Auslösehebel, der betätigt wird, um das Gesperre zu öffnen beziehungsweise zu entrasten. Ein solcher Auslösehebel ist typischerweise mit einem Griff der Tür oder Klappe verbunden. Dabei kann es sich um einen Außengriff oder einen Innengriff der entsprechenden Tür oder Klappe handeln. Wird ein solcher Griff betätigt, so wird der Auslösehebel betätigt beziehungsweise verschwenkt, um das Gesperre zu entrasten und damit das Schloss zu öffnen.The actuating device usually has a release lever which is actuated in order to open or unlatch the locking mechanism. Such a trigger lever is typically connected to a handle of the door or flap. It may be an external handle or an internal handle of the corresponding door or flap. If such a handle is actuated, the release lever is actuated or pivoted to unlatch the locking mechanism and thus to open the lock.

Bei elektrisch betätigten Schlössern liegt grundsätzlich keine mechanische Verbindung zwischen dem Türgriff, zum Beispiel Türaußengriff, und dem Gesperre vor. Das Gesperre wird mittels eines elektrischen Antriebs geöffnet. Ein zugehöriger Türgriff kann beispielsweise einen elektrischen Schalter aufweisen, der das Signal für den Antrieb des Elektromotors bereitstellt. Bevorzugt werden Schneckenradgetriebe, bestehend aus Motor, Schnecke und Zahnrad, eingesetzt, da hierdurch ein großes Übersetzungsverhältnis realisiert werden kann, so dass einerseits eine sehr genaue Ansteuerung des Öffnungsmechanismus erfolgen kann und gleichzeitig hohe Auslösekräfte zur Verfügung stehen.In the case of electrically operated locks, there is basically no mechanical connection between the door handle, for example the outside door handle, and the locking mechanism. The Lock is opened by means of an electric drive. An associated door handle, for example, have an electrical switch, which provides the signal for driving the electric motor. Preferably, worm gear, consisting of motor, worm and gear, used, since this a large gear ratio can be realized, so that on the one hand a very accurate control of the opening mechanism can be done while high release forces are available.

Eine Stromquelle für ein elektrisches Schloss kann zum Beispiel infolge eines Unfalls ausfallen. Für einen solchen Fall sollte eine Einrichtung zur Verfügung stehen, mit der dennoch ein elektrisches Schloss geöffnet werden kann.
In der DE 10 2009 039637 ist eine Betätigungseinrichtung für ein elektrisches öffnen eines Gesperres bekannt, bei der eine erste und eine zweite Stromquelle vorhanden. Die Betätigungseinrichtung weist eine elektronische Steuereinheit und einen Schalter auf, der durch die elektronische Steuereinheit angesteuert wird, um bei ausreichender Leistung der ersten Stromquelle diese zum elektrischen Öffnen zu nutzen und bei nicht ausreichender Leistung der ersten Stromquelle die zweite Stromquelle als Notstromversorgung zu nutzen.A power source for an electric lock may fail, for example, as a result of an accident. In such a case, a device should be available with which, however, an electric lock can be opened.
In the DE 10 2009 039637 For example, an actuating device for an electrical opening of a locking mechanism is known in which a first and a second current source are present. The actuating device has an electronic control unit and a switch, which is controlled by the electronic control unit, in order to use it for electrical opening with sufficient power of the first power source and to use the second power source as an emergency power supply with insufficient power of the first power source.

Es ist Aufgabe der Erfindung, ein Gesperre eines elektrisch betätigten Schlosses auch im Anschluss an den Ausfall einer für ein übliches öffnen vorgesehenen Stromquelle öffnen zu können.It is an object of the invention to be able to open a locking mechanism of an electrically operated lock even after the failure of a conventional power source provided for opening.

Die Aufgabe wird durch eine Betätigungseinrichtung mit den Merkmalen des ersten Anspruchs gelöst. Vorteilhafte Ausgestaltungen ergeben sich aus den Unteransprüchen. Der Nebenanspruch betrifft ein Verfahren für ein Öffnen eines Gesperres.The object is achieved by an actuating device having the features of the first claim. Advantageous embodiments emerge from the subclaims. The additional claim relates to a method for opening a Gesperres.

Zur Lösung der Aufgabe umfasst eine Betätigungseinrichtung für ein öffnen des Gesperres einen elektrischen Auslösemechanismus, mit dem ein Gesperre durch Betätigen der Betätigungseinrichtung geöffnet werden kann. Beispielsweise durch einen elektrischen Schalter kann die Betätigungseinrichtung für ein Öffnen des Gesperres betätigt werden. Es gibt einen Schalter, der durch Anlegen einer Spannung geöffnet wird und der bei Wegfall der Spannung oder Unterschreiten einer Mindestspannung schließt. Der Schalter, der durch Anlegen einer Spannung geöffnet wird und der bei Wegfall der Spannung oder Unterschreiten einer Mindestspannung schließt, umfasst einen Elektromagneten, der den Schalter in geöffneter Stellung zu halten vermag. Dieser Schalter ist so eingebaut bzw. installiert, dass er bei Vorhandensein einer für ein Öffnen des Gesperres vorgesehenen Stromquelle, nachfolgend auch Hauptstromquelle oder Fahrzeugstromversorgung genannt, geöffnet ist. Darüber hinaus ist der Schalter so installiert und/oder konstruiert, dass dieser bei Entfall der Hauptstromquelle die Betätigungseinrichtung mit einer Notstromquelle, auch Notstromversorgung genannt, verbindet. "Entfall dieser Hauptstromquelle" umfasst auch, dass die Spannung der Stromquelle unter einen Schwellwert sinkt, bei dem ein elektrisches Öffnen mithilfe dieser Stromquelle nicht mehr möglich ist. "Elektrischer Auslösemechanismus" bedeutet, dass die Betätigungseinrichtung mithilfe eines elektrischen Antriebs betätigt wird, um so ein zugehöriges Gesperre öffnen zu können. "Verbinden der Betätigungseinrichtung mit einer Notstromquelle" bedeutet, dass die Notstromquelle für einen Stromverbraucher der Betätigungseinrichtung derart zur Verfügung steht, dass bei Bedarf der Verbraucher seinen benötigten Strom von der Notstromquelle erhält.To achieve the object, an actuating device for opening the locking mechanism comprises an electrical release mechanism with which a locking mechanism can be opened by actuating the actuating device. For example, by a electrical switch, the actuator can be actuated to open the locking mechanism. There is a switch that is opened by applying a voltage and closes when the voltage drops or falls below a minimum voltage. The switch, which is opened by applying a voltage and closes when the voltage drops or falls below a minimum voltage, comprises an electromagnet, which is able to hold the switch in the open position. This switch is installed or installed in such a way that it is open in the presence of a power source intended for opening the lock, hereinafter also referred to as main power source or vehicle power supply. In addition, the switch is installed and / or constructed so that it connects the actuator with an emergency power source, also called emergency power supply when the main power source. "Disposal of this main power source" also means that the voltage of the power source drops below a threshold at which an electrical opening using this power source is no longer possible. "Electric release mechanism" means that the actuator is operated by means of an electric drive in order to be able to open a corresponding locking mechanism. "Connecting the actuator to an emergency power source" means that the emergency power source for a power consumer of the actuator is available such that when needed the consumer receives its required power from the emergency power source.

Ein Schalter umfasst jede Form eines Schaltmittels und zwar insbesondere auch Halbleiterschalter sowie Relais.A switch comprises any form of switching means, and in particular also semiconductor switches and relays.

Eine Hauptstromquelle unterscheidet sich von einer Notstromquelle insbesondere durch eine höhere elektrische Leistung, die durch die Hauptstromquelle zur Verfügung gestellt werden kann. Daher versorgt die Hauptstromquelle nicht lediglich die Betätigungseinrichtung mit Strom, sondern darüber hinaus eine große Vielzahl von weiteren Komponenten in einem Kraftfahrzeug. Im Unterschied dazu kann die Notstromquelle nur für die Stromversorgung der Betätigungseinrichtung vorgesehen sein.A main power source differs from an emergency power source in particular by a higher electrical power that can be provided by the main power source. Therefore, the main power source not only supplies power to the actuator, but also supplies a large variety of other components in a motor vehicle. In contrast, the emergency power source can be provided only for the power supply of the actuator.

Der Schalter, der durch Anlegen einer Spannung geöffnet wird und der bei Wegfall der Spannung oder Unterschreiten einer Mindestspannung schließt, umfasst in einer Ausgestaltung eine Feder, nachfolgend auch Kontaktfeder genannt, die mittels des Elektromagneten magnetisch in geöffneter sowie vorgespannter Stellung gehalten wird. Entfällt die Spannung oder unterschreitet die Spannung einen vorgegebenen Mindestwert, so ist der Elektromagnet nicht mehr in der Lage, die Kontaktfeder in geöffneter Stellung zu halten. Die Kontaktfeder springt dann aufgrund ihrer Vorspannung in ihre geschlossene Stellung, wodurch der Schalter geschlossen wird. Dieses Schließen hat zur Folge, dass die Notstromquelle als Energieversorger für einen Stromverbraucher der Betätigungseinrichtung zur Verfügung steht.The switch, which is opened by applying a voltage and closes when the voltage drops or falls below a minimum voltage, comprises in one embodiment a spring, hereinafter also called contact spring, which is magnetically held in the open and biased position by means of the electromagnet. If the voltage drops or falls below a predetermined minimum value, the electromagnet is no longer able to hold the contact spring in the open position. The contact spring then jumps due to its bias in its closed position, whereby the switch is closed. This closing has the consequence that the emergency power source is available as an energy supplier for a power consumer of the actuator.

Der vorgenannte Schalter, der durch Anlegen einer Spannung geöffnet wird und der bei Wegfall der Spannung oder Unterschreiten einer Mindestspannung schließt, kann alternativ oder ergänzend elektrisch oder elektronisch gesteuert öffnen und schließen. So kann eine elektronische Steuerung vorhanden sein, die die Spannung der Hauptstromquelle überwacht und die bei Abfall der Spannung eine noch zur Verfügung stehende elektrische Leistung nutzt, um den Schalter zu schließen, um so die Betätigungseinrichtung mit der Notstromquelle zu verbinden.The aforementioned switch, which is opened by applying a voltage and which closes when the voltage drops or falls below a minimum voltage, can alternatively or additionally open and close electrically or electronically controlled. Thus, there may be an electronic controller which monitors the voltage of the main power source and which uses a still available electric power when the voltage drops to close the switch so as to connect the actuator to the emergency power source.

Bevorzugt wird die Betätigungseinrichtung durch eine Notstromversorgung bzw. Notstromquelle unmittelbar mit Strom versorgt, wenn der Schalter, der bei Wegfall einer angelegten Spannung oder Unterschreiten einer Mindestspannung einer Hauptstromquelle schließt, geschlossen ist. Damit ist gemeint, dass für ein solches Schließen kein Steuergerät bzw. keine Steuereinrichtung benötigt wird, die durch Erhalt eines elektrischen Signals ein Öffnen eines Gesperres steuert. Vorteilhaft kann bei dieser Ausgestaltung ein Schloss auch dann durch die Notstromversorgung geöffnet werden, wenn nicht nur die Hauptstromversorgung ausgefallen ist, sondern auch ein Steuergerät der Betätigungseinrichtung.The actuating device is preferably supplied directly with power by an emergency power supply or emergency power source if the switch which closes when an applied voltage drops or falls below a minimum voltage of a main power source is closed. By this is meant that no control device or control device is required for such a closing, which controls the opening of a locking mechanism by receiving an electrical signal. Advantageously, in this embodiment, a lock can be opened by the emergency power supply even if not only the main power supply has failed, but also a control device of the actuator.

In einer Ausgestaltung der Erfindung umfasst die Betätigungseinrichtung ein Steuergerät, welches ein Öffnen des Gesperres steuert. Wird die Betätigungseinrichtung durch eine Hauptstromquelle hinreichend mit Strom versorgt, so hat eine Betätigung der Betätigungseinrichtung zur Folge, dass das Steuergerät ein Signal erhält. Daraufhin steuert das Steuergerät das Öffnen des Gesperres.In one embodiment of the invention, the actuating device comprises a control unit which controls an opening of the locking mechanism. If the actuating device is sufficiently supplied with power by a main power source, an actuation of the actuating device results in the control unit receiving a signal. The control unit then controls the opening of the locking mechanism.

Das Vorhandensein eines Steuergerätes ist mit dem Vorteil verbunden, dass Positionen des Gesperres überwacht und in Abhängigkeit davon das Öffnen gesteuert werden kann. So kann beispielsweise der Fall auftreten, dass ein Gesperre nicht mit üblicher Kraft geöffnet werden kann und dies durch das Steuergerät mittels ein oder mehrerer Sensoren festgestellt wird. Das Steuergerät aktiviert dann eine zusätzliche Öffnungskraft, um das Gesperre mit erhöhter Kraft öffnen zu können. So kann eine vorgespannte Feder vorhanden sein, die bei Bedarf durch das Steuergerät gesteuert freigegeben wird und dadurch eine zusätzliche Kraft für ein Öffnen eines Gesperres bereitgestellt wird. Es ist also u. a. deshalb vorteilhaft, ein Gesperre gesteuert durch ein Steuergerät öffnen zu können.The presence of a controller is associated with the advantage that positions of the lock can be monitored and depending on which opening can be controlled. For example, the case may occur that a locking mechanism can not be opened with the usual force and this is detected by the control unit by means of one or more sensors. The controller then activates an additional opening force to open the locking mechanism with increased force. Thus, a preloaded spring may be present, which is released controlled if necessary by the control unit and thereby an additional force for opening a locking mechanism provided. It is therefore advantageous, inter alia, to be able to open a locking mechanism controlled by a control unit.

In einer Ausgestaltung umfasst die Betätigungseinrichtung einen Schalter, der durch Betätigung ein zugehöriges Gesperre mittels einer Notstromversorgung elektrisch unmittelbar zu öffnen vermag. "Unmittelbar" meint, dass durch Schließen des Schalters an einem dafür vorgesehenen elektrischen Antrieb die von der Notstromquelle bereitgestellte Spannung angelegt und so ein zugehöriges Gesperre geöffnet wird. Es wird insbesondere dann kein Signal an ein Steuergerät weitergeleitet, welches dann ein Öffnen steuert.In one embodiment, the actuating device comprises a switch, which is able to open electrically by pressing an associated locking mechanism by means of an emergency power supply. "Immediately" means that by closing the switch on an electric drive provided for this purpose, the voltage provided by the emergency power source is applied and thus an associated locking mechanism is opened. In particular, no signal is then forwarded to a control unit, which then controls an opening.

Die Betätigungseinrichtung umfasst in einer Ausgestaltung einen Schalter, der durch Betätigung ein Signal an ein Steuergerät übermittelt, wobei das Steuergerät im Anschluss an den Erhalt des Signals ein Öffnen eines Gesperres mittels einer Hauptstromquelle steuert. Dieser Schalter ist insbesondere zugleich der vorgenannte Schalter, der durch Betätigung ein zugehöriges Gesperre mittels einer Notstromversorgung elektrisch unmittelbar zu öffnen vermag.In one embodiment, the actuating device comprises a switch, which transmits a signal to a control unit by actuation, the control unit, following receipt of the signal, controlling an opening of a locking mechanism by means of a main power source. This switch is in particular at the same time the aforementioned switch, which is able to open electrically by pressing an associated locking mechanism by means of an emergency power supply.

Nachfolgend wird die Erfindung anhand von zwei Figuren näher erläutert. Diesem Ausführungsbeispiel sind weitere Ausgestaltungen und Vorteile der Erfindung zu entnehmen. Es zeigen

Figur 1:
Betätigungseinrichtung mit Gesperre;
Figur 2:
elektrische Energieversorgung für die Betätigungseinrichtung.
The invention will be explained in more detail with reference to two figures. This embodiment, further embodiments and advantages of the invention can be seen. Show it
FIG. 1:
Actuating device with locking mechanism;
FIG. 2:
electrical power supply to the actuator.

Die Figur 1 zeigt eine Betätigungseinrichtung und ein Gesperre, welches durch Betätigen der Betätigungseinrichtung geöffnet werden kann. Das Gesperre umfasst eine Drehfalle 1, die um ihre Achse 2 verschwenkt werden kann. Die Drehfalle 1 ist durch eine Sperrklinke 3 verrastet. Durch das Verrasten wird ein Schlosshalter 5 von der Drehfalle 1 gehalten. Eine zugehörige Tür oder Klappe ist dann verschlossen. Die Sperrklinke 3 kann um ihre Achse 4 herum aus der Rastposition entgegengesetzt zum Uhrzeigersinn herausgedreht werden, um so das Gesperre zu öffnen.The FIG. 1 shows an actuator and a locking mechanism, which can be opened by operating the actuator. The locking mechanism comprises a rotary latch 1, which can be pivoted about its axis 2. The rotary latch 1 is locked by a pawl 3. By locking a lock holder 5 is held by the catch 1. An associated door or flap is then closed. The pawl 3 can be rotated counterclockwise around its axis 4 from the detent position, so as to open the locking mechanism.

Im verrasteten Zustand liegt wie in der Figur 1 gezeigt in der Hauptrastposition eine Sperrfläche 7 der Drehfalle 1 an einer Sperrfläche 6 der Sperrklinke 3 an. Die Drehfalle 1 verfügt über eine weitere Sperrfläche 15, mit der die Drehfalle in der Vorrastposition verrastet werden kann.In the locked state is like in the FIG. 1 shown in the main locking position a locking surface 7 of the rotary latch 1 to a blocking surface 6 of the pawl 3 at. The catch 1 has a further blocking surface 15 with which the catch can be locked in the pre-locking position.

Der Arm der Sperrklinke 3 verläuft winkelförmig. Das abgewinkelte Ende 8 der Sperrklinke 3 reicht zu einem drehbar gelagerten Bolzen 9 der Teil der Betätigungseinrichtung ist. Der Bolzen 9 kann um eine Achse 10 herum gedreht werden. Der Bolzen 9 steht senkrecht von einem Zahnrad 11 ab. Eine Schnecke 12 liegt an den Zähnen des Zahnrades 11 an. Die Schnecke 12 ist mit einer Welle 13 eines Elektromotors 14 verbunden.The arm of the pawl 3 is angular. The angled end 8 of the pawl 3 extends to a rotatably mounted pin 9 which is part of the actuator. The bolt 9 can be rotated about an axis 10 around. The bolt 9 is perpendicular from a gear 11 from. A worm 12 abuts against the teeth of the gear 11. The worm 12 is connected to a shaft 13 of an electric motor 14.

Wird das Zahnrad 11 im Uhrzeigersinn durch den Elektromotor 14 gedreht, so wird dadurch das Ende 8 der Sperrklinke 3 durch den Bolzen 9 erfasst und in die Position 8' bewegt. Hierdurch wird die Sperrklinke 3 aus ihrer verrasteten Stellung heraus geschwenkt und das Gesperre wird so geöffnet.If the gear 11 is rotated clockwise by the electric motor 14, so that the end 8 of the pawl 3 is detected by the pin 9 and moved to the position 8 '. As a result, the pawl 3 is pivoted out of its locked position and the locking mechanism is opened.

Die Figur 2 zeigt eine Fahrzeugstromversorgung 16 und eine Notstromversorgung 17. Beide Stromversorgungen sind mit einem Betätigungsschalter 18 verbunden, der für ein elektrisches Öffnen des Gesperres betätigt wird. Ein Steuergerät für die Betätigungseinrichtung nebst Gesperre umfasst zwei Schalter 19 und 20. Wird der Betätigungsschalter 18 betätigt, so wird ein Signal an das Steuergerät weitergeleitet. Das Steuergerät schließt daraufhin den Schalter 20. Dies hat zur Folge, dass die Betätigungseinrichtung mit Strom versorgt wird und der Elektromotor 14 elektrisch das Gesperre öffnet. Der Schalter 19 wird in dieser Zeit durch einen Elektromagneten 21 in geöffneter Stellung gehalten. Der Elektromagnet 21 bezieht seinen dafür erforderlichen Strom von der Hauptstromquelle, also der Fahrzeugstromversorgung 16. Entfällt diese Stromversorgung für den Elektromagneten 21, so bewegt sich die im geöffneten Zustand vorgespannte Kontaktfeder 22 des Schalters 19 in die geschlossene Stellung aufgrund ihrer Federkraft.The FIG. 2 shows a vehicle power supply 16 and an emergency power supply 17. Both power supplies are connected to an actuating switch 18, which is actuated for an electrical opening of the locking mechanism. A control device for the actuator together with locking mechanism comprises two switches 19 and 20. If the operating switch 18 is actuated, a signal is forwarded to the control unit. The controller then closes the switch 20. This has the consequence that the actuator is supplied with power and the electric motor 14 electrically opens the locking mechanism. The switch 19 is held in this time by an electromagnet 21 in the open position. The electromagnet 21 draws its required power from the main power source, so the vehicle power supply 16. If this power supply for the solenoid 21, so that moves in the open state biased contact spring 22 of the switch 19 in the closed position due to their spring force.

Kann die Fahrzeugstromversorgung bzw. Hauptstromquelle 16 keine oder zumindest keine hinreichende Spannung bereitstellen, so wird der Elektromagnet 21 nicht mehr hinreichend oder nicht mehr mit Strom versorgt. Daraufhin schließt der Schalter 19. Wird nun für ein elektrisches Öffnen der Betätigungsschalter 18 betätigt, so wird Strom von der Notstromquelle 17 über den elektrischen Schalter 19 unmittelbar an die Betätigungseinrichtung weitergeleitet. Die Betätigungseinrichtung öffnet und zwar selbst dann, wenn das Steuergerät mit den Schaltern 19 und 20 ebenfalls ausfällt.If the vehicle power supply or main power source 16 can provide no or at least no sufficient voltage, the electromagnet 21 is no longer supplied with sufficient power or no longer with power. Thereafter, the switch 19 closes. If now the actuation switch 18 is actuated for an electrical opening, then current is forwarded from the emergency power source 17 via the electrical switch 19 directly to the actuating device. The actuator opens and that even if the controller with the switches 19 and 20 also fails.

Unabhängig von einem Defekt oder Ausfall der Hauptstromquelle 16 sowie des Steuergerätes mit den Schaltern 19 und 20 kann also das Schloss durch die Notstromquelle 17 elektrisch geöffnet werden.Regardless of a defect or failure of the main power source 16 and the control unit with the switches 19 and 20 so the lock can be electrically opened by the emergency power source 17.

Die Notstromquelle 17 ist insbesondere Teil der Betätigungseinrichtung. Damit ist gemeint, dass die Betätigungseinrichtung als Modul ausgestaltet ist, welches die Notstromquelle 17 umfasst und welches als Modul in eine Fahrzeugtür oder eine Fahrzeugklappe eingebaut wird. Im nicht eingebauten Zustand umfasst die Betätigungseinrichtung also bereits die Notstromquelle 17. Dies ist vor allem deshalb möglich, weil die Notstromquelle eine hinreichend klein dimensionierte Batterie sein kann. Diese Ausgestaltung stellt verbessert sicher, dass ein elektrisches Schloss auch bei Ausfall einer Hauptstromquelle 16 geöffnet werden kann.The emergency power source 17 is in particular part of the actuating device. This means that the actuating device is designed as a module which comprises the emergency power source 17 and which is installed as a module in a vehicle door or a vehicle door. In the non-installed state, the actuating device thus already includes the emergency power source 17. This is especially possible because the emergency power source may be a sufficiently small sized battery. This embodiment ensures improved that an electric lock can be opened even if a main power source 16.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

  1. 1: Drehfalle1: catch
  2. 2: Achse der Drehfalle2: axis of the rotary latch
  3. 3: Sperrklinke3: pawl
  4. 4: Achse der Sperrklinke4: axis of the pawl
  5. 5: Schlosshalter5: lock holder
  6. 6: Sperrfläche der Sperrklinke6: Locking surface of the pawl
  7. 7: Sperrfläche der Drehfalle7: Locking surface of the rotary latch
  8. 8: abgewinkeltes Ende der Sperrklinke8: angled end of the pawl
  9. 9: Bolzen, Nocken9: bolts, cams
  10. 10: Drehachse von Zahnrad10: rotation axis of gear
  11. 11: Zahnrad11: gear
  12. 12: Schnecke12: snail
  13. 13: Motorwelle13: Motor shaft
  14. 14: Elektromotor14: electric motor
  15. 15: Sperrfläche der Drehfalle15: Locking surface of the rotary latch
  16. 16: Hauptstromquelle, Fahrzeugstromversorgung16: Main power source, vehicle power supply
  17. 17: Notstromquelle17: Emergency power source
  18. 18: Betätigungsschalter für ein elektrisches Öffnen18: Operation switch for electric opening
  19. 19: elektrischer Schalter eines Steuergeräts19: electrical switch of a control unit
  20. 20: elektrischer Schalter eines Steuergeräts20: electrical switch of a control unit
  21. 21: Elektromagnet21: Electromagnet
  22. 22: Kontaktfeder22: contact spring

Claims (13)

  1. Operating device for electrical opening of a locking mechanism with an electrical triggering mechanism (9, 10, 11, 12, 13, 14), with which the locking mechanism (1, 3) can be opened by operation of the operating device, and with a switch (19), which closes on cessation of an applied voltage or falling short of a minimum voltage of a main power source (16), wherein in the closed state of the switch (19) the locking mechanism can be electrically opened by means of an emergency power supply (17), characterized in that the switch (19), which encompasses an electromagnet (21) which is capable of keeping the switch in the open position during cessation of an applied voltage or falling short of a minimum voltage.
  2. Operating device according to one of the previous claims, characterized in that the switch (19) has a contact spring (22), which closes the switch (19) by spring force upon cessation of an applied voltage or falling short of a minimum voltage.
  3. Operating device according to one of the previous claims, characterized by an operating switch (18), operated to open the locking mechanism.
  4. Operating device according to one of the previous claims, characterized by a control device (19, 20), which is capable of controlling opening of the locking mechanism (1, 3) when the operating device is operated.
  5. Operating device according to one of the previous claims, characterized in that the control device (19, 20) receives an opening signal when the operating device is operated and a main power source (16) can provide sufficient voltage for a power supply of the operating device, and the control device controls opening of the locking mechanism (1, 3) following receipt of the opening signal.
  6. Operating device according to one of the previous claims, characterized in that the emergency power supply (17) is part of the operating device.
  7. Operating device according to one of the previous claims, characterized in that the operating device is directly supplied with power by the emergency power supply (17), if the switch (19), which closes upon cessation of an applied voltage or falling short of a minimum voltage of a main power supply (16), is closed.
  8. Operating device according to one of the previous claims, characterized by an electrical drive (14), with which the locking mechanism (1, 3) can be opened in an electrically driven manner.
  9. Operating device according to one of the previous claims, characterized in that the operating device encompasses one or several semi-conductor switches and/or one or several relays as switches.
  10. Operating device according to one of the previous claims, characterized in that the operating device has a switch (18) which can be directly electrically opened by operating the locking mechanism (1 ,3) by means of the emergency power supply (17).
  11. Operating device according to the previous claim, characterized in that the switch (18) can transmit a signal to the control device (19, 20) by means of operation, whereby the control device can control opening of the locking mechanism (1, 3) by means of a main power source (16) following receipt of the signal.
  12. Operating device according to the previous claim, characterized in that the control device (19, 20) is established in such a way that it operates the switch (19) following receipt of the signal such that the locking mechanism (1, 3) is opened hereby.
  13. Procedure to open a locking mechanism with an operating device according to one of the previous claims, characterized in that during cessation of an applied voltage or falling short of a minimum voltage of the main energy source (16) the switch (19) of the operating device closes, whereupon the locking mechanism is electrically opened by means of the emergency power supply (17), in particular by operation of a further switch (18).
EP16735568.4A 2015-03-24 2016-03-21 Electric actuating device with emergency current supply for a motor vehicle electric lock and method Active EP3274530B8 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015205343.1A DE102015205343A1 (en) 2015-03-24 2015-03-24 Electric actuator with emergency power supply for a motor vehicle electric lock and method
PCT/DE2016/100130 WO2016150431A1 (en) 2015-03-24 2016-03-21 Electric actuating device with emergency current supply for a motor vehicle electric lock and method

Publications (3)

Publication Number Publication Date
EP3274530A1 EP3274530A1 (en) 2018-01-31
EP3274530B1 true EP3274530B1 (en) 2018-12-19
EP3274530B8 EP3274530B8 (en) 2020-03-11

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EP16735568.4A Active EP3274530B8 (en) 2015-03-24 2016-03-21 Electric actuating device with emergency current supply for a motor vehicle electric lock and method

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EP (1) EP3274530B8 (en)
DE (1) DE102015205343A1 (en)
WO (1) WO2016150431A1 (en)

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DE102021123099A1 (en) * 2021-09-07 2023-03-09 Kiekert Aktiengesellschaft Motor vehicle and use of a traction battery

Citations (1)

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Publication number Priority date Publication date Assignee Title
DE202013103042U1 (en) * 2013-07-09 2014-10-10 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Hallstadt Motor vehicle lock

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Publication number Priority date Publication date Assignee Title
DE4240013A1 (en) * 1992-08-25 1994-06-01 Bayerische Motoren Werke Ag Remote controllable lock, in particular for motor vehicle doors
US8376416B2 (en) * 2008-09-04 2013-02-19 GM Global Technology Operations LLC Latch system for a door of an automobile
DE102012018452A1 (en) * 2012-09-18 2014-03-20 GM Global Technology Operations, LLC (n.d. Ges. d. Staates Delaware) Door e.g. driver door, for motor car, has retainer for retaining dry battery and accessible for driving controllable door lock at outer side of door leaf, and handle movably mounted between rest and access positions relative to door leaf

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202013103042U1 (en) * 2013-07-09 2014-10-10 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Hallstadt Motor vehicle lock

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DE102015205343A1 (en) 2016-09-29
EP3274530B8 (en) 2020-03-11
WO2016150431A1 (en) 2016-09-29
EP3274530A1 (en) 2018-01-31

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