EP2453083A2 - Electronic blocking mechanism - Google Patents

Electronic blocking mechanism Download PDF

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Publication number
EP2453083A2
EP2453083A2 EP20110187555 EP11187555A EP2453083A2 EP 2453083 A2 EP2453083 A2 EP 2453083A2 EP 20110187555 EP20110187555 EP 20110187555 EP 11187555 A EP11187555 A EP 11187555A EP 2453083 A2 EP2453083 A2 EP 2453083A2
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EP
European Patent Office
Prior art keywords
core
locking mechanism
mechanism according
electronic locking
potentiometer
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20110187555
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German (de)
French (fr)
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EP2453083A3 (en
EP2453083B1 (en
Inventor
Peter Pape
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.)
Aug Winkhaus GmbH and Co KG
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Aug Winkhaus GmbH and Co KG
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Publication of EP2453083A2 publication Critical patent/EP2453083A2/en
Publication of EP2453083A3 publication Critical patent/EP2453083A3/en
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Classifications

    • 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
    • E05B47/06—Controlling mechanically-operated bolts by electro-magnetically-operated detents
    • E05B47/0611—Cylinder locks with electromagnetic control
    • E05B47/0619—Cylinder locks with electromagnetic control by blocking the rotor
    • E05B47/0626—Cylinder locks with electromagnetic control by blocking the rotor radially
    • E05B47/063—Cylinder locks with electromagnetic control by blocking the rotor radially with a rectilinearly moveable blocking element
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B45/00—Alarm locks
    • E05B45/06—Electric alarm locks
    • E05B2045/065—Switch or sensor type used in alarm locks
    • E05B2045/068—Piezoelectric sensors
    • 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
    • E05B2047/0048—Circuits, feeding, monitoring
    • E05B2047/0067—Monitoring

Definitions

  • the invention relates to an electronic locking mechanism for a movable core in a housing, in particular a lock cylinder of a mortise lock, with a an electrically controllable actuator having locking device with a control device for controlling the actuator and with a movement of the core detecting detection device.
  • Such an electronic locking mechanism is for example from the EP 2 017 410 A2 known.
  • the detection means detects an opening operation of the lock mechanism and provides a signal which is used to activate the control means.
  • the opening operation may be, for example, the insertion of a key into a lock channel of the lock cylinder or the initial rotation of the core. If the opening operation is detected, the activation of the control device and the reading of a code of a arranged on the key or a card transponder occurs. As a result, the power consumption of the control device is kept particularly low. Evidence of whether after the opening operation of the lock cylinder is actually operated or whether it is a tampering attempt, is not provided.
  • the invention is based on the problem of increasing the possibilities for detecting a manipulation attempt on the locking mechanism of the type mentioned.
  • the detection device is designed to generate different signals depending on the direction of movement of the core.
  • Opening and closing operations of the locking mechanism according to the invention can be easily logged if the control device is designed with a memory for storing the direction of rotation of the core in conjunction with a signal or code controlling the control device. An unauthorized unlocking attempt of the locking mechanism can thereby be detected and logged. Furthermore, counter-reactions such as the triggering of an alarm can be initiated in the event of an unauthorized unlocking attempt.
  • the invention carries Design of the locking mechanism according to the invention for the defense against manipulation attempts.
  • the detection device is structurally particularly simple if the detection device has a potentiometer which can be actuated during the rotation of the core.
  • a potentiometer can serve almost any component that provides electrical signals depending on its position, such as a plurality of switches arranged in a row, a variable capacitor, an adjustable inductance, a resistance grinding track or the like.
  • the signals for detecting the direction of movement of the core can be generated exclusively by the movement of the core, if the potentiometer of the detection device has a piezofilm that deforms during a rotation of the core.
  • a constant supply of electric current to the potentiometer can be avoided, because piezofilms automatically deliver signals when deformed.
  • the locking mechanism according to the invention has a particularly low power consumption.
  • the structural complexity for the deformation of the piezoelectric film as a function of the rotational position of the core can be kept particularly low according to another advantageous embodiment of the invention, if the core or the housing has a covered by the piezoelectric film groove and if in the opposing component of the housing or the Kerns a biasing element for deformation of the piezoelectric film is arranged.
  • a permanent deformation of the piezoelectric film can be according to another advantageous embodiment of the invention simply avoid when the biasing element is movably guided against the piezo film.
  • the generation of the force required for the deformation can be easily adjusted according to another advantageous embodiment of the invention, when the biasing element has a spring element to its bias against the piezoelectric film.
  • the consumption of the electronic locking mechanism according to the invention to electrical energy can be kept particularly low if the detection means is designed to activate the control device upon introduction of a key or an initial movement of the core.
  • the control device has a so-called wake-up circuit, which causes the control device is held in the ground state in an energy-saving mode.
  • the controller Only when the electronic locking mechanism to be controlled by the insertion of a key or the initial movement of the core, the controller is activated and detects, for example, signals of a transponder key. Such activation is for example in the EP 2 017 410 A2 described in detail, so that reference is expressly made to the disclosure of the activation of the locking mechanism to this document.
  • the activation of the control device upon insertion of the key is structurally particularly simple according to another advantageous embodiment of the invention, when the biasing element projects with an end facing away from the piezoelectric foil in a closing channel of the core.
  • This design also ensures that the control device and thus the reading of the code are activated only when a key is used. This contributes to increasing the safety of the locking mechanism according to the invention against unauthorized unlocking without authorized key.
  • a direct movement of the biasing member by a key can be easily avoided according to another advantageous embodiment of the invention, when the biasing member facing a ramp of a slider slidably disposed in the core.
  • the locking mechanism according to the invention can also be used in the case of lock cylinders with a slide arranged in the closing channel or in the case of closing devices without a closing channel.
  • FIG. 1 shows a lock cylinder with a rotatable in a housing 1 core 2.
  • the core 2 is connected to a cam 3.
  • the lock cylinder has an electronic locking mechanism 4 with a locking device 5 on.
  • the locking device 5 has an electrically controllable actuator 6 for selectively blocking or releasing the movement of the core 2.
  • the electronic locking mechanism 4 has a control device 7, which receives signals of a transponder, not shown, and the blocking device 5 in response to the signals.
  • the locking mechanism 4 also has a detection device 8 for generating different signals depending on the direction of rotation of the core 2.
  • the core 2 has, for example, a closing channel 9 for receiving a key having the transponder.
  • the detection device 8 has a prestressing element 10 projecting into the closing channel 9 and a potentiometer 11 which can be actuated by the pretensioning element 10.
  • the potentiometer 11 has a piezo film 12 which covers a groove 13 of a holding element 14 connected to the housing 1.
  • the holding element 14 may be, for example, an antenna for reading out the code of the transponder.
  • FIG. 2 shows in a sectional view through the lock cylinder FIG. 1 along the line II - II that the groove 13 rotates around the core 2.
  • the piezo film 12 covers, starting from the biasing element 10, a pitch circle arranged in the directions of rotation.
  • the biasing element 10 and the piezoelectric film 12 together form a potentiometer 15, which generates signals in response to the movement and the position of the biasing member 10.
  • the biasing member 10 presses on the piezoelectric film 12 and generates an electrical signal which is detected by the control device 7.
  • the biasing member 10 deforms the piezoelectric film 12 in dependence on the direction of rotation of the core 2.
  • the detection device 8 allows the generation of different signals depending on the direction of rotation of the core 2. These signals are together with the code of the transponder in a non-illustrated Memory of the control device 7 is stored.
  • the movement of the biasing member 10 on the piezo film 12 also causes the control device 7 is activated from a stand-by mode in an operating mode. In the operating mode, the code of the transponder is read out.
  • FIG. 3 shows a further embodiment of the lock cylinder with a locking device 16, which is different from the Figures 1 and 2 especially distinguished by the fact that in a closing channel 17 a movable by a key slider 18 is arranged.
  • the slider 18 presses with a widening 19 a locking bolt 20 of a locking mechanism 21 and is opposite to a ramp 22 of a detection device 23.
  • the detection device 23 has a potentiometer 24 with a biasing element 25 and a piezoelectric film 26 and is greatly enlarged in FIG. 4 shown in more detail.
  • the piezo film 26 spans a arranged in the housing 1 circumferential groove 27 and has the in FIG. 2 described dimensions.
  • the biasing member 25 has a ramp 22 facing the head 28 and a supported on the piezoelectric film 26 foot 29.
  • a spring element 30 biases the head 28 and the foot 29 away from each other.
  • the slider 18 Upon insertion of a key into the lock channel 17, the slider 18 is moved so that the ramp 22 depresses the biasing member 25.
  • the piezoelectric film 26 is deformed and generates a signal which a in FIG. 3 shown control device 31 is activated.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Lock And Its Accessories (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Abstract

The electronic locking mechanism (4) comprises an electrically controlled actuator (6) having locking device (5). A control device (7) is provided for controlling the actuator, and a detection device (8) is detected with the movement of the core. The detecting device is formed for generating different signals, depending on the direction of movement of the core.

Description

Die Erfindung betrifft einen elektronischen Sperrmechanismus für einen in einem Gehäuse beweglichen Kern, insbesondere eines Schließzylinders eines Einsteckschlosses, mit einer einen elektrisch ansteuerbaren Aktor aufweisenden Sperreinrichtung, mit einer Steuereinrichtung zur Ansteuerung des Aktors und mit einer die Bewegung des Kerns erfassenden Erfassungseinrichtung.The invention relates to an electronic locking mechanism for a movable core in a housing, in particular a lock cylinder of a mortise lock, with a an electrically controllable actuator having locking device with a control device for controlling the actuator and with a movement of the core detecting detection device.

Ein solcher elektronischer Sperrmechanismus ist beispielsweise aus der EP 2 017 410 A2 bekannt. Die Erfassungseinrichtung erfasst eine Öffnungsbetätigung des Sperrmechanismus und liefert ein Signal, welches zur Aktivierung der Steuereinrichtung verwendet wird. Die Öffnungsbetätigung kann beispielsweise das Einführen eines Schlüssels in einen Schließkanal des Schließzylinders oder die anfängliche Drehung des Kerns sein. Wird die Öffnungsbetätigung erkannt, erfolgt die Aktivierung der Steuereinrichtung und das Auslesen eines Codes eines auf dem Schlüssel oder einer Karte angeordneten Transponders. Hierdurch wird der Energieverbrauch der Steuereinrichtung besonders gering gehalten. Ein Nachweis, ob nach der Öffnungsbetätigung der Schließzylinder auch tatsächlich betätigt wird oder ob es sich um einen Manipulationsversuch handelt, ist nicht vorgesehen.Such an electronic locking mechanism is for example from the EP 2 017 410 A2 known. The detection means detects an opening operation of the lock mechanism and provides a signal which is used to activate the control means. The opening operation may be, for example, the insertion of a key into a lock channel of the lock cylinder or the initial rotation of the core. If the opening operation is detected, the activation of the control device and the reading of a code of a arranged on the key or a card transponder occurs. As a result, the power consumption of the control device is kept particularly low. Evidence of whether after the opening operation of the lock cylinder is actually operated or whether it is a tampering attempt, is not provided.

Zur Erhöhung der Sicherheit des Schließzylinders gegen eine Manipulation ist es jedoch von Vorteil zu erfassen, wann und wie der Schließzylinder angesteuert wird. Nach dieser Erfassung der Ansteuerung des Schließzylinders können gegebenenfalls Abwehrmechanismen gestartet werde. Man könnte daran denken, die bekannte Erfassung der Öffnungsbetätigung abzuspeichern. Dies würde jedoch nur unwesentlich zur Erhöhung der Manipulationssicherheit des Sperrmechanismus beitragen.To increase the security of the lock cylinder against tampering, however, it is advantageous to detect when and how the lock cylinder is driven. To If necessary, defense mechanisms can be started in this detection of the activation of the lock cylinder. One might think of storing the known detection of the opening operation. However, this would only marginally contribute to increasing the tamper resistance of the locking mechanism.

Der Erfindung liegt das Problem zugrunde, die Möglichkeiten zur Erfassung eines Manipulationsversuches am Sperrmechanismus der eingangs genannten Art zu erhöhen.The invention is based on the problem of increasing the possibilities for detecting a manipulation attempt on the locking mechanism of the type mentioned.

Dieses Problem wird erfindungsgemäß dadurch gelöst, dass die Erfassungseinrichtung zur Erzeugung von unterschiedlichen Signalen in Abhängigkeit von der Bewegungsrichtung des Kerns ausgebildet ist.This problem is inventively solved in that the detection device is designed to generate different signals depending on the direction of movement of the core.

Durch diese Gestaltung kann erfasst werden, ob der erfindungsgemäße Sperrmechanismus in Schließrichtung oder in Öffnungsrichtung angesteuert werden soll. Damit können neben der vorgesehenen Öffnungsbetätigung auch die Schließvorgänge selbst erfasst werden. Mögliche Abwehrmaßnahmen gegen eine unberechtigte Manipulation lassen sich dank der Erfindung auf Entriegelungsversuche beschränken.By this design can be detected whether the locking mechanism according to the invention should be controlled in the closing direction or in the opening direction. Thus, in addition to the intended opening operation, the closing operations themselves can be detected. Possible defenses against unauthorized manipulation can be limited thanks to the invention on Entriegelungsversuche.

Öffnungs- und Schließvorgänge des erfindungsgemäßen Sperrmechanismus lassen sich einfach protokollieren, wenn die Steuereinrichtung mit einem Speicher zur Abspeicherung der Drehrichtung des Kerns in Verbindung mit einem die Steuereinrichtung ansteuernden Signal oder Code ausgebildet ist. Ein unberechtigter Entriegelungsversuch des Sperrmechanismus lässt sich hierdurch erkennen und protokollieren. Weiterhin lassen sich bei einem unberechtigten Entriegelungsversuch Gegenreaktionen wie beispielsweise die Auslösung eines Alarms einleiten. Damit trägt die erfindungsgemäße Gestaltung des erfindungsgemäßen Sperrmechanismus zur Abwehr von Manipulationsversuchen bei.Opening and closing operations of the locking mechanism according to the invention can be easily logged if the control device is designed with a memory for storing the direction of rotation of the core in conjunction with a signal or code controlling the control device. An unauthorized unlocking attempt of the locking mechanism can thereby be detected and logged. Furthermore, counter-reactions such as the triggering of an alarm can be initiated in the event of an unauthorized unlocking attempt. Thus, the invention carries Design of the locking mechanism according to the invention for the defense against manipulation attempts.

Die Erfassungseinrichtung gestaltet sich gemäß einer anderen vorteilhaften Weiterbildung der Erfindung konstruktiv besonders einfach, wenn die Erfassungseinrichtung ein bei der Drehung des Kerns betätigbares Potentiometer hat. Als Potentiometer kann nahezu jedes Bauteil dienen, welches elektrische Signale in Abhängigkeit von seiner Stellung liefert, wie mehrere in einer Reihe angeordnete Schalter, ein Drehkondensator, eine verstellbare Induktivität, eine Widerstandsschleifbahn oder dergleichen.According to another advantageous development of the invention, the detection device is structurally particularly simple if the detection device has a potentiometer which can be actuated during the rotation of the core. As a potentiometer can serve almost any component that provides electrical signals depending on its position, such as a plurality of switches arranged in a row, a variable capacitor, an adjustable inductance, a resistance grinding track or the like.

Die Signale zur Erfassung der Bewegungsrichtung des Kerns lassen sich gemäß einer anderen vorteilhaften Weiterbildung der Erfindung ausschließlich durch die Bewegung des Kerns erzeugen, wenn das Potentiometer der Erfassungseinrichtung eine bei einer Drehung des Kerns verformende Piezofolie hat. Eine ständige Versorgung des Potentiometers mit elektrischem Strom lässt sich hierdurch vermeiden, weil Piezofolien bei ihrer Verformung selbständig Signale liefern. Durch diese Gestaltung weist der erfindungsgemäße Sperrmechanismus einen besonders geringen Stromverbrauch aus.According to another advantageous development of the invention, the signals for detecting the direction of movement of the core can be generated exclusively by the movement of the core, if the potentiometer of the detection device has a piezofilm that deforms during a rotation of the core. A constant supply of electric current to the potentiometer can be avoided, because piezofilms automatically deliver signals when deformed. By this design, the locking mechanism according to the invention has a particularly low power consumption.

Der bauliche Aufwand zur Verformung der Piezofolie in Abhängigkeit von der Drehstellung des Kerns lässt sich gemäß einer anderen vorteilhaften Weiterbildung der Erfindung besonders gering halten, wenn der Kern oder das Gehäuse eine von der Piezofolie abgedeckte Nut aufweist und wenn in dem gegenüberstehenden Bauteil des Gehäuses oder des Kerns ein Vorspannelement zur Verformung der Piezofolie angeordnet ist.The structural complexity for the deformation of the piezoelectric film as a function of the rotational position of the core can be kept particularly low according to another advantageous embodiment of the invention, if the core or the housing has a covered by the piezoelectric film groove and if in the opposing component of the housing or the Kerns a biasing element for deformation of the piezoelectric film is arranged.

Eine ständige Verformung der Piezofolie lässt sich gemäß einer anderen vorteilhaften Weiterbildung der Erfindung einfach vermeiden, wenn das Vorspannelement beweglich gegen die Piezofolie geführt ist.A permanent deformation of the piezoelectric film can be according to another advantageous embodiment of the invention simply avoid when the biasing element is movably guided against the piezo film.

Die Erzeugung der für die Verformung erforderlichen Kraft lässt sich gemäß einer anderen vorteilhaften Weiterbildung der Erfindung einfach einstellen, wenn das Vorspannelement ein Federelement zu seiner Vorspannung gegen die Piezofolie hat.The generation of the force required for the deformation can be easily adjusted according to another advantageous embodiment of the invention, when the biasing element has a spring element to its bias against the piezoelectric film.

Der Verbrauch des erfindungsgemäßen elektronischen Sperrmechanismus an elektrischer Energie lässt sich besonders gering halten, wenn die Erfassungseinrichtung zur Aktivierung der Steuereinrichtung bei einer Einführung eines Schlüssels oder einer anfänglichen Bewegung des Kerns ausgebildet ist. Hierdurch hat die Steuereinrichtung eine so genannte Weckschaltung, welche bewirkt, dass die Steuereinrichtung im Grundzustand in einem energiesparenden Modus gehalten wird. Erst wenn der elektronische Sperrmechanismus durch das Einführen eines Schlüssels oder das anfängliche Bewegen des Kerns angesteuert werden soll, wird die Steuereinrichtung aktiviert und erfasst beispielsweise Signale eines Transponderschlüssels. Eine solche Aktivierung ist beispielsweise in der EP 2 017 410 A2 ausführlich beschrieben, so dass zur Offenbarung der Aktivierung des Sperrmechanismus ausdrücklich auf diese Schrift verwiesen wird.The consumption of the electronic locking mechanism according to the invention to electrical energy can be kept particularly low if the detection means is designed to activate the control device upon introduction of a key or an initial movement of the core. As a result, the control device has a so-called wake-up circuit, which causes the control device is held in the ground state in an energy-saving mode. Only when the electronic locking mechanism to be controlled by the insertion of a key or the initial movement of the core, the controller is activated and detects, for example, signals of a transponder key. Such activation is for example in the EP 2 017 410 A2 described in detail, so that reference is expressly made to the disclosure of the activation of the locking mechanism to this document.

Die Aktivierung der Steuereinrichtung bei einem Einführen des Schlüssels gestaltet sich gemäß einer anderen vorteilhaften Weiterbildung der Erfindung konstruktiv besonders einfach, wenn das Vorspannelement mit einem der Piezofolie abgewandten Ende in einen Schließkanal des Kerns hineinragt. Durch diese Gestaltung wird zudem sichergestellt, dass die Steuereinrichtung und damit das Auslesen des Codes erst aktiviert werden, wenn ein Schlüssel eingesetzt wird. Dies trägt zur Erhöhung der Sicherheit des erfindungsgemäßen Sperrmechanismus gegen ein unberechtigtes Entriegeln ohne berechtigten Schlüssel bei.The activation of the control device upon insertion of the key is structurally particularly simple according to another advantageous embodiment of the invention, when the biasing element projects with an end facing away from the piezoelectric foil in a closing channel of the core. This design also ensures that the control device and thus the reading of the code are activated only when a key is used. This contributes to increasing the safety of the locking mechanism according to the invention against unauthorized unlocking without authorized key.

Eine direkte Bewegung des Vorspannelementes durch einen Schlüssel lässt sich gemäß einer anderen vorteilhaften Weiterbildung der Erfindung einfach vermeiden, wenn das Vorspannelement einer Rampe eines im Kern verschieblich angeordneten Schiebers gegenübersteht. Durch diese Gestaltung kann der erfindungsgemäße Sperrmechanismus auch bei Schließzylindern mit einem im Schließkanal angeordneten Schieber oder bei Schließeinrichtungen ohne Schließkanal eingesetzt werden.A direct movement of the biasing member by a key can be easily avoided according to another advantageous embodiment of the invention, when the biasing member facing a ramp of a slider slidably disposed in the core. By virtue of this configuration, the locking mechanism according to the invention can also be used in the case of lock cylinders with a slide arranged in the closing channel or in the case of closing devices without a closing channel.

Die Erfindung lässt zahlreiche Ausführungsformen zu. Zur weiteren Verdeutlichung ihres Grundprinzips sind zwei davon in der Zeichnung dargestellt und werden nachfolgend beschrieben. Diese zeigt in

Fig. 1
einen Längsschnitt durch einen Schließzylinder mit einem erfindungsgemäßen Sperrmechanismus,
Fig. 2
eine Schnittdarstellung durch den Schließzylinder aus Figur 1 entlang der Linie II - II,
Fig. 3
einen Längsschnitt durch einen Teilbereich eines Schließzylinders mit einer weiteren Ausführungsform des erfindungsgemäßen Sperrmechanismus,
Fig. 4
stark vergrößert eine Erfassungseinrichtung des Sperrmechanismus aus Figur 3.
The invention allows numerous embodiments. To further clarify its basic principle, two of them are shown in the drawing and will be described below. This shows in
Fig. 1
a longitudinal section through a lock cylinder with a locking mechanism according to the invention,
Fig. 2
a sectional view through the lock cylinder FIG. 1 along the line II - II,
Fig. 3
a longitudinal section through a portion of a lock cylinder with a further embodiment of the locking mechanism according to the invention,
Fig. 4
greatly increases a detection device of the locking mechanism FIG. 3 ,

Figur 1 zeigt einen Schließzylinder mit einem in einem Gehäuse 1 drehbaren Kern 2. Der Kern 2 ist mit einem Schließbart 3 verbunden. Der Schließzylinder weist einen elektronischen Sperrmechanismus 4 mit einer Sperreinrichtung 5 auf. Die Sperreinrichtung 5 hat einen elektrisch ansteuerbaren Aktor 6 zur wahlweisen Blockierung oder Freigabe der Bewegung des Kerns 2. Weiterhin hat der elektronische Sperrmechanismus 4 eine Steuereinrichtung 7, welche Signale eines nicht dargestellten Transponders empfängt und in Abhängigkeit der Signale die Sperreinrichtung 5 ansteuert. Der Sperrmechanismus 4 hat zudem eine Erfassungseinrichtung 8 zur Erzeugung von unterschiedlichen Signalen in Abhängigkeit von der Drehrichtung des Kerns 2. Der Kern 2 hat beispielhaft einen Schließkanal 9 zur Aufnahme eines den Transponder aufweisenden Schlüssels. Die Erfassungseinrichtung 8 hat ein in den Schließkanal 9 hineinragendes Vorspannelement 10 und ein von dem Vorspannelement 10 betätigbares Potentiometer 11. Das Potentiometer 11 weist eine Piezofolie 12 auf, welche eine Nut 13 eines mit dem Gehäuse 1 verbundenen Halteelements 14 abdeckt. Bei dem Halteelement 14 kann es sich beispielsweise um eine Antenne zum Auslesen des Codes des Transponders handeln. FIG. 1 shows a lock cylinder with a rotatable in a housing 1 core 2. The core 2 is connected to a cam 3. The lock cylinder has an electronic locking mechanism 4 with a locking device 5 on. The locking device 5 has an electrically controllable actuator 6 for selectively blocking or releasing the movement of the core 2. Furthermore, the electronic locking mechanism 4 has a control device 7, which receives signals of a transponder, not shown, and the blocking device 5 in response to the signals. The locking mechanism 4 also has a detection device 8 for generating different signals depending on the direction of rotation of the core 2. The core 2 has, for example, a closing channel 9 for receiving a key having the transponder. The detection device 8 has a prestressing element 10 projecting into the closing channel 9 and a potentiometer 11 which can be actuated by the pretensioning element 10. The potentiometer 11 has a piezo film 12 which covers a groove 13 of a holding element 14 connected to the housing 1. The holding element 14 may be, for example, an antenna for reading out the code of the transponder.

Figur 2 zeigt in einer Schnittdarstellung durch den Schließzylinder aus Figur 1 entlang der Linie II - II, dass die Nut 13 um den Kern 2 umläuft. Die Piezofolie 12 deckt ausgehend von dem Vorspannelement 10 jeweils einen in die Drehrichtungen angeordneten Teilkreis ab. Das Vorspannelement 10 und die Piezofolie 12 bilden zusammen ein Potentiometer 15, welches Signale in Abhängigkeit von der Bewegung und der Stellung des Vorspannelementes 10 erzeugt. FIG. 2 shows in a sectional view through the lock cylinder FIG. 1 along the line II - II that the groove 13 rotates around the core 2. The piezo film 12 covers, starting from the biasing element 10, a pitch circle arranged in the directions of rotation. The biasing element 10 and the piezoelectric film 12 together form a potentiometer 15, which generates signals in response to the movement and the position of the biasing member 10.

Beim Einführen des Schlüssels in den Schließkanal 9 drückt das Vorspannelement 10 auf die Piezofolie 12 und erzeugt ein elektrisches Signal, welches von der Steuereinrichtung 7 erfasst wird. Bei einer anschließenden Drehung des Kerns 2 verformt das Vorspannelement 10 die Piezofolie 12 in Abhängigkeit von der Drehrichtung des Kerns 2. Durch die um den Kern 2 umlaufende Anordnung der Nut 13 und der Abmessung der Piezofolie 12 ermöglicht die Erfassungseinrichtung 8 die Erzeugung der unterschiedlichen Signale in Abhängigkeit von der Drehrichtung des Kerns 2. Diese Signale werden zusammen mit dem Code des Transponders in einem nicht dargestellten Speicher der Steuereinrichtung 7 abgespeichert. Die Bewegung des Vorspannelementes 10 auf die Piezofolie 12 bewirkt zudem, dass die Steuereinrichtung 7 aus einem Stand-by-Modus in einen Betriebsmodus aktiviert wird. In dem Betriebsmodus wird der Code des Transponders ausgelesen.When inserting the key in the closing channel 9, the biasing member 10 presses on the piezoelectric film 12 and generates an electrical signal which is detected by the control device 7. In a subsequent rotation of the core 2, the biasing member 10 deforms the piezoelectric film 12 in dependence on the direction of rotation of the core 2. By the circumferential about the core 2 arrangement of the groove 13 and the size of the piezo film 12, the detection device 8 allows the generation of different signals depending on the direction of rotation of the core 2. These signals are together with the code of the transponder in a non-illustrated Memory of the control device 7 is stored. The movement of the biasing member 10 on the piezo film 12 also causes the control device 7 is activated from a stand-by mode in an operating mode. In the operating mode, the code of the transponder is read out.

Figur 3 zeigt eine weitere Ausführungsform des Schließzylinders mit einer Sperreinrichtung 16, welche sich von der aus den Figuren 1 und 2 vor allem dadurch unterscheidet, dass in einem Schließkanal 17 ein von einem Schlüssel bewegbarer Schieber 18 angeordnet ist. Der Schieber 18 drückt mit einer Verbreiterung 19 einen Sperrriegel 20 eines Sperrmechanismus 21 nieder und steht mit einer Rampe 22 einer Erfassungseinrichtung 23 gegenüber. FIG. 3 shows a further embodiment of the lock cylinder with a locking device 16, which is different from the Figures 1 and 2 especially distinguished by the fact that in a closing channel 17 a movable by a key slider 18 is arranged. The slider 18 presses with a widening 19 a locking bolt 20 of a locking mechanism 21 and is opposite to a ramp 22 of a detection device 23.

Die Erfassungseinrichtung 23 hat ein Potentiometer 24 mit einem Vorspannelement 25 und einer Piezofolie 26 und ist stark vergrößert in Figur 4 näher dargestellt. Die Piezofolie 26 überspannt eine im Gehäuse 1 angeordnete umlaufende Nut 27 und weist die in Figur 2 beschriebenen Abmessungen auf. Das Vorspannelement 25 hat einen der Rampe 22 gegenüberstehenden Kopf 28 und einen sich auf der Piezofolie 26 abstützenden Fuß 29. Ein Federelement 30 spannt den Kopf 28 und den Fuß 29 voneinander weg. Beim Einführen eines Schlüssels in den Schließkanal 17 wird der Schieber 18 bewegt, so dass die Rampe 22 das Vorspannelement 25 niederdrückt. Dabei wird die Piezofolie 26 verformt und erzeugt ein Signal, welches eine in Figur 3 dargestellte Steuereinrichtung 31 aktiviert. Anschließend wird der Code des Schlüssels ausgelesen. In Abhängigkeit von dem Code wird eine Sperreinrichtung 32 des Sperrmechanismus 21 angesteuert oder die Ansteuerung unterbleibt. Beim Einführen des Schlüssels wird zudem die Verbreiterung 19 von der Sperreinrichtung 31 weg bewegt und damit die Bewegung des Sperrriegels 20 freigegeben. Ansonsten ist diese Ausführungsform wie die aus den Figuren 1 und 2 aufgebaut.The detection device 23 has a potentiometer 24 with a biasing element 25 and a piezoelectric film 26 and is greatly enlarged in FIG. 4 shown in more detail. The piezo film 26 spans a arranged in the housing 1 circumferential groove 27 and has the in FIG. 2 described dimensions. The biasing member 25 has a ramp 22 facing the head 28 and a supported on the piezoelectric film 26 foot 29. A spring element 30 biases the head 28 and the foot 29 away from each other. Upon insertion of a key into the lock channel 17, the slider 18 is moved so that the ramp 22 depresses the biasing member 25. In this case, the piezoelectric film 26 is deformed and generates a signal which a in FIG. 3 shown control device 31 is activated. Subsequently, the code of the key is read out. Dependent on From the code, a locking device 32 of the locking mechanism 21 is driven or the drive is omitted. When inserting the key also the widening 19 is moved away from the locking device 31 and thus the movement of the locking bolt 20 is released. Otherwise, this embodiment is like that of the Figures 1 and 2 built up.

Claims (10)

Elektronischer Sperrmechanismus (4, 21) für einen in einem Gehäuse (1) beweglichen Kern (2), insbesondere eines Schließzylinders eines Einsteckschlosses, mit einer einen elektrisch ansteuerbaren Aktor (6) aufweisenden Sperreinrichtung (5, 32), mit einer Steuereinrichtung (7, 31) zur Ansteuerung des Aktors (6) und mit einer die Bewegung des Kerns (2) erfassenden Erfassungseinrichtung (8, 23) , dadurch gekennzeichnet, dass die Erfassungseinrichtung (8, 23) zur Erzeugung von unterschiedlichen Signalen in Abhängigkeit von der Bewegungsrichtung des Kerns (2) ausgebildet ist.Electronic locking mechanism (4, 21) for a core (2) movable in a housing (1), in particular a lock cylinder of a mortise lock, with a locking device (5, 32) having an electrically controllable actuator (6), with a control device (7, 31) for driving the actuator (6) and with a movement of the core (2) detecting detection means (8, 23), characterized in that the detection means (8, 23) for generating different signals in dependence on the direction of movement of the core (2) is formed. Elektronischer Sperrmechanismus nach Anspruch 1, dadurch gekennzeichnet, dass die Steuereinrichtung (7, 31) mit einem Speicher zur Abspeicherung der Drehrichtung des Kerns (2) in Verbindung mit einem die Steuereinrichtung (7, 31) ansteuernden Code ausgebildet ist.Electronic locking mechanism according to claim 1, characterized in that the control device (7, 31) is formed with a memory for storing the direction of rotation of the core (2) in conjunction with a code controlling the control device (7, 31). Elektronischer Sperrmechanismus nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Erfassungseinrichtung (8, 23) ein bei der Drehung des Kerns (2) betätigbares Potentiometer (11, 24) hat.An electronic locking mechanism according to claim 1 or 2, characterized in that the detection means (8, 23) has a potentiometer (11, 24) operable upon rotation of the core (2). Elektronischer Sperrmechanismus nach Anspruch 3, dadurch gekennzeichnet, dass das Potentiometer (11, 24) der Erfassungseinrichtung (8, 23) eine bei einer Drehung des Kerns verformende Piezofolie (12, 26) oder Folienpotentiometer hat.Electronic locking mechanism according to claim 3, characterized in that the potentiometer (11, 24) of the detection device (8, 23) has a piezo film (12, 26) or film potentiometer which deforms during a rotation of the core. Elektronischer Sperrmechanismus nach Anspruch 4, dadurch gekennzeichnet, dass der Kern (2) oder das Gehäuse (1) eine von der Piezofolie (12, 26) abgedeckte Nut (13, 27) aufweist und dass in dem gegenüberstehenden Bauteil des Gehäuses (1) oder des Kerns (2) ein Vorspannelement (10, 25) zur Verformung der Piezofolie (12, 26) angeordnet ist.Electronic locking mechanism according to Claim 4, characterized in that the core (2) or the housing (1) has a groove (13, 27) covered by the piezo film (12, 26) and in that in the opposing component of the housing (1) or the core (2) is a biasing element (10, 25) for deformation of the piezo film (12, 26) is arranged. Elektronischer Sperrmechanismus nach Anspruch 5, dadurch gekennzeichnet, dass das Vorspannelement (10, 25) beweglich gegen die Piezofolie (12, 26) oder das Folienpotentiometer geführt ist.Electronic locking mechanism according to claim 5, characterized in that the biasing element (10, 25) is movably guided against the piezo film (12, 26) or the film potentiometer. Elektronischer Sperrmechanismus nach Anspruch 5 oder 6, dadurch gekennzeichnet, dass das Vorspannelement (25) ein Federelement (30) zu seiner Vorspannung gegen die Piezofolie (26) oder das Folienpotentiometer hat.Electronic locking mechanism according to claim 5 or 6, characterized in that the biasing element (25) has a spring element (30) to its bias against the piezo film (26) or the film potentiometer. Elektronischer Sperrmechanismus nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Erfassungseinrichtung (8, 23) zur Aktivierung der Steuereinrichtung (5, 31) bei einer Einführung eines Schlüssels oder einer anfänglichen Bewegung des Kerns (2) ausgebildet ist.An electronic lock mechanism according to any one of the preceding claims, characterized in that the detection means (8, 23) for activating the control means (5, 31) is formed upon insertion of a key or an initial movement of the core (2). Elektronischer Sperrmechanismus nach einem der Ansprüche 5 bis 8, dadurch gekennzeichnet, dass das Vorspannelement (10) mit einem der Piezofolie (12) abgewandten Ende in einen Schließkanal (9) des Kerns (2) hineinragt.Electronic locking mechanism according to one of claims 5 to 8, characterized in that the biasing element (10) protrudes with one of the piezo film (12) remote from the end in a closing channel (9) of the core (2). Elektronischer Sperrmechanismus nach einem der Ansprüche 5 bis 8, dadurch gekennzeichnet, dass das Vorspannelement (25) einer Rampe (22) eines im Kern (2) verschieblich angeordneten Schiebers (18) gegenübersteht.Electronic locking mechanism according to one of claims 5 to 8, characterized in that the biasing element (25) of a ramp (22) of a core (2) slidably disposed slide (18) facing.
EP11187555.5A 2010-11-16 2011-11-02 Electronic blocking mechanism Active EP2453083B1 (en)

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AT513607B1 (en) * 2012-11-08 2014-06-15 Evva Sicherheitstechnologie cylinder lock
EP2708682A3 (en) * 2012-09-12 2017-09-06 Aug. Winkhaus GmbH & Co. KG Locking cylinder for an electronic key
US20230058299A1 (en) * 2020-01-23 2023-02-23 Assa Abloy Ab Actuating device and lock device
US11655653B1 (en) 2022-04-15 2023-05-23 Digilock Asia Ltd. Electronically operated lock cylinder

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DE10020038A1 (en) * 2000-04-22 2001-10-25 Winkhaus Fa August Electromagnetically activatable locking mechanism
ATE511165T1 (en) * 2003-10-01 2011-06-15 Palladio Systeme Gmbh PROFILE LOCKING CYLINDER TO INCREASE INTERFERENCE AND TRANSMISSION SECURITY WHEN PROVIDING DATA USING WIRELESS, PARTICULARLY HIGH-FREQUENCY NETWORKS FOR CONTROLLING, PROGRAMMING, MONITORING AND EVALUATION OF LOCKING SYSTEMS WITH ELECTROMECHANICAL ACTUATION
US7397341B2 (en) * 2006-04-13 2008-07-08 Honeywell International, Inc. System to detect lock tampering

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EP2017410A2 (en) 2007-07-17 2009-01-21 Aug. Winkhaus GmbH & Co. KG Electronic blocking mechanism

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2708682A3 (en) * 2012-09-12 2017-09-06 Aug. Winkhaus GmbH & Co. KG Locking cylinder for an electronic key
AT513607B1 (en) * 2012-11-08 2014-06-15 Evva Sicherheitstechnologie cylinder lock
AT513607A4 (en) * 2012-11-08 2014-06-15 Evva Sicherheitstechnologie cylinder lock
US20230058299A1 (en) * 2020-01-23 2023-02-23 Assa Abloy Ab Actuating device and lock device
US11655653B1 (en) 2022-04-15 2023-05-23 Digilock Asia Ltd. Electronically operated lock cylinder

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EP2453083A3 (en) 2015-05-27
EP2453083B1 (en) 2017-09-13

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