EP1531431A2 - Electronically activatable locking mechanism - Google Patents

Electronically activatable locking mechanism Download PDF

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Publication number
EP1531431A2
EP1531431A2 EP04104755A EP04104755A EP1531431A2 EP 1531431 A2 EP1531431 A2 EP 1531431A2 EP 04104755 A EP04104755 A EP 04104755A EP 04104755 A EP04104755 A EP 04104755A EP 1531431 A2 EP1531431 A2 EP 1531431A2
Authority
EP
European Patent Office
Prior art keywords
antenna
locking mechanism
transponder
acquisition device
signal detection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP04104755A
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German (de)
French (fr)
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EP1531431A3 (en
EP1531431B1 (en
Inventor
Helmut Aswegen
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
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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Priority to PL04104755T priority Critical patent/PL1531431T3/en
Publication of EP1531431A2 publication Critical patent/EP1531431A2/en
Publication of EP1531431A3 publication Critical patent/EP1531431A3/en
Application granted granted Critical
Publication of EP1531431B1 publication Critical patent/EP1531431B1/en
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Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
    • G07C2009/00365—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks in combination with a wake-up circuit

Definitions

  • the invention relates to an electronically activatable Locking mechanism for a locking device with a Antenna for receiving signals from a transponder of a Data carrier and for the production of electrical, the Transponder corresponding signals, with control electronics for evaluating the signals of the antenna and the Control of a locking bolt depending on the Data of the transponder and with a signal detection device for detecting the signal of the antenna and with a data acquisition device for detection and evaluation the data signals of the transponder.
  • Such locking mechanisms for example, in so-called electronic locking cylinders or locking systems used for motor vehicles.
  • the transponder and the data carrier serve as proof of a person for Authorization of the activation of the locking mechanism. is the transponder is in the reception area of the antenna, the data carrier is read out and from the control electronics the authorization to activate the locking mechanism determined.
  • a constant readiness of the control electronics but has the disadvantage of very high power consumption.
  • a high power consumption leads in particular in battery-operated locking devices, such as electronic Locking cylinders, for a short life the battery and thus a high maintenance of the Locking mechanism.
  • the control electronics a capacitive Sensor upstream.
  • the capacitive sensor activates the locking mechanism the control electronics. Subsequently, the data query started.
  • the capacitive sensor causes a very high structural design of the locking mechanism.
  • the sensor activates the control electronics any approach of a person, an animal and, where appropriate a piece of metal or in the rain, resulting in a high power consumption leads.
  • the invention is based on the problem, a locking mechanism of the type mentioned at the beginning, that he has the lowest possible power consumption and a high structural complexity is largely avoided.
  • the signal detection device and the data acquisition device independently activatable modules have that the assemblies connected together are and that the assembly of the data acquisition device is inactive in the ground state and by a signal of Signal detection device is activated.
  • the signal detection device By this design must in the ground state exclusively the signal detection device be cyclically active. Since the signal detection means no detection of Data signals of the transponder operates requires this a particularly low power requirement.
  • the signal detection device According to the invention, whether at all a transponder is located near the antenna. Only when any transponder is detected does the data acquisition device become started, the data from the disk read out and the authorization to control the locking mechanism detected. Furthermore, the required Locking mechanism according to the invention no further sensors to start the data acquisition device, since the data acquisition device from the signals of the transponder receiving signal detection device is activated.
  • the locking mechanism according to the invention is therefore particularly simple and has a low power consumption on.
  • the antenna could receive the data of the transponder are permanently energized.
  • a constant Reception readiness of the antenna can be according to a advantageous embodiment of the invention, however, simple avoid if the signal detection device a pulse generator and a first, for the duration of a pulse has controllable switching stage and if the first Switching the antenna during the pulse with a Power source connects. This contributes to the further reduction the power consumption of the control electronics.
  • the data acquisition device can be upon receipt of a Signals through the antenna according to another advantageous Simply activate the invention, if the data acquisition device a third Switching stage to its activation and if the third Switching stage of the signal detection device controlled is. In the absence of a signal the antenna remains frozen the data acquisition device in the inactive state and therefore avoids unnecessary power consumption during standby without signal of the antenna.
  • the detection of the transponder requires according to another advantageous development of the invention a particularly low power consumption when the second Switching stage remains in the active state up to 100 ⁇ s.
  • Locking mechanism helps when a data collection device connected to the third switching stage is.
  • the detection by the signal detection device if there is a signal needed much less electrical energy than the detection, what data is available.
  • the arrangement of the data acquisition device exclusively after the third Switching can be the power consumption for the data acquisition device keep it low.
  • the locking mechanism according to the invention is particularly compact constructed when the signal detection device and the data acquisition device a common microprocessor exhibit.
  • the fourth switching stage is easy to control when the Data acquisition device, the signals of the transponder has evaluated and releases the locking mechanism. Without Release authorization is omitted under the control of fourth switching stage, so that the locking latch de-energized in his blocking the lock cylinder position remains.
  • Figure 1 shows schematically a sectional view through a lock cylinder 1 with a in a housing. 2 rotatable core 3 and an electronically activated Locking mechanism 4 for selective blocking or release the movement of the core 3.
  • the locking mechanism 4 has an electronic control unit 6 connected to an actuator 5.
  • the actuator 5 serves to hold or release the movement one biased into a recess 7 of the core 3 Locking bar 8.
  • the control electronics 6 is equipped with an antenna 9 and connected by a battery 10 as Power source supplied with electrical power.
  • the core 3 has a closing channel 11 for receiving a shank of a key 12.
  • the key 12 has one with a transponder 13 connected to the disk 14. Is the Key 12 moves in the vicinity of the antenna 9 receives these signals of the transponder 13.
  • the control electronics. 6 reads out the data carrier 14 and determines from this data a locking authorization of the lock cylinder 1. Thus will depend on the data of the disk 14, the actuator 5 selectively driven or the control omitted.
  • FIG. 2 shows a circuit diagram of the locking mechanism 4 Figure 1 with the disk 14 and the transponder resonant circuit 13 of the key.
  • the control electronics 6 has a signal detection means 15 for receiving the Signals of the antenna 9 and a data acquisition device 16 for reading the data carrier 14 and for determination the closing authorization.
  • the signal detection device 15 and the data acquisition device 16 have a common Microprocessor 17 and independently activatable modules.
  • An assembly of the signal detection device 15 has a pulse generator 18 and a first switching stage 19. Depending on the signals the pulse generator 18, the first switching stage 19 is driven and the antenna 9 is connected to the battery 10. As a result, in the antenna 9, a magnetic pulse educated.
  • the antenna 9 is found in the Antenna 9 Reactions due to the magnetic pulse.
  • the battery 10 With the Amplifier 21 connected. This will be the repercussions detected in the antenna 9 and the microprocessor 17 for Signal evaluation forwarded.
  • the microprocessor 17 detects the existing in the reception area of the antenna 9 Transponder 13 and then activates the third Switching stage 25, thus connecting the data acquisition device 16 with the battery 10.
  • a carrier generator 28 the antenna 9 is energized periodically.
  • the antenna 9 transmits thereby a magnetic alternating field, which the transponder 13 is powered in their reception area, and the Transponder 13 then sends its data. These be from the signal of the antenna from a demodulator 26 and an amplifier 27 detected and sent to the microprocessor 17 forwarded for evaluation.
  • the microprocessor 17 is connected to a fourth switching stage 22, which activates the actuator 5 shown in FIG.
  • the antenna 9 receives in response to the signals the pulse generator 18, the first switching stage a periodic Excitation pulse. This turns the winding of the antenna 9 energized. It forms near the antenna magnetic field, which due to the shortness of the pulse collapses again. After the impulse arises in the antenna 9 no periodic voltage change as Feedback by the impulse, which has the consequence that the third switching stage 25 is not driven and the data acquisition is not turned on.
  • the impulsive excitation of the resonant circuit in the transponder 13 after the impulse there is an evanescent, periodic one Oscillation according to the resonance characteristic of the antenna circuit one.
  • a transponder antenna 24 generates in rhythm the vibration is a relatively weak magnetic Field.
  • the antenna 9 receives the field and gives it as AC signal to the amplifier 21 of the signal detection device 15 continue.
  • the microprocessor 17 controls after evaluation of the pulse train, the third Switching stage 25 for the data acquisition device 16 at.

Abstract

The arrangement has an antenna (9) for receiving data medium transponder signals and generating electrical signals suitable for the transponder, control electronics for evaluating the antenna signals and driving a locking element depending on the transponder data, a signal acquisition device (15) for detecting antenna signals and a data acquisition device (16) for detecting and evaluating transponder data signals. The signal and data acquisition devices have units that are mutually independently activatable and interconnected. The data acquisition device unit is inactive in the basic state and activated by a signal from the signal acquisition device.

Description

Die Erfindung betrifft einen elektronisch aktivierbaren Sperrmechanismus für eine Schließeinrichtung mit einer Antenne zum Empfang von Signalen eines Transponders eines Datenträgers und zur Erzeugung von elektrischen, dem Transponder entsprechenden Signalen, mit einer Steuerelektronik zur Auswertung der Signale der Antenne und zur Ansteuerung eines Sperrriegels in Abhängigkeit von den Daten des Transponders und mit einer Signalerfassungseinrichtung zur Erfassung des Signals der Antenne und mit einer Datenerfassungseinrichtung zur Erfassung und Auswertung der Daten-Signale des Transponders.The invention relates to an electronically activatable Locking mechanism for a locking device with a Antenna for receiving signals from a transponder of a Data carrier and for the production of electrical, the Transponder corresponding signals, with control electronics for evaluating the signals of the antenna and the Control of a locking bolt depending on the Data of the transponder and with a signal detection device for detecting the signal of the antenna and with a data acquisition device for detection and evaluation the data signals of the transponder.

Solche Sperrmechanismen werden beispielsweise bei sogenannten elektronischen Schließzylindern oder bei Schließanlagen für Kraftfahrzeuge eingesetzt. Der Transponder und der Datenträger dienen zum Nachweis einer Person zur Berechtigung der Ansteuerung des Sperrmechanismus. Befindet sich der Transponder im Empfangsbereich der Antenne, wird der Datenträger ausgelesen und von der Steuerelektronik die Berechtigung zur Aktivierung des Sperrmechanismus ermittelt. Eine ständige Bereitschaft der Steuerelektronik hat jedoch den Nachteil eines sehr hohen Stromverbrauchs. Ein hoher Stromverbrauch führt insbesondere bei batteriebetriebenen Schließeinrichtungen, wie elektronischen Schließzylindern, zu einer kurzen Lebensdauer der Batterie und damit zu einem hohen Wartungsaufwand des Sperrmechanismus. Such locking mechanisms, for example, in so-called electronic locking cylinders or locking systems used for motor vehicles. The transponder and the data carrier serve as proof of a person for Authorization of the activation of the locking mechanism. is the transponder is in the reception area of the antenna, the data carrier is read out and from the control electronics the authorization to activate the locking mechanism determined. A constant readiness of the control electronics but has the disadvantage of very high power consumption. A high power consumption leads in particular in battery-operated locking devices, such as electronic Locking cylinders, for a short life the battery and thus a high maintenance of the Locking mechanism.

Zur Verringerung des Stromverbrauchs bei einem sogenannten Bereitschaftsbetrieb ist es aus der EP 1 235 190 A1 beispielsweise bekannt, der Steuerelektronik einen kapazitiven Sensor vorzuschalten. Bei Annäherung einer Person an den Sperrmechanismus aktiviert der kapazitive Sensor die Steuerelektronik. Anschließend wird die Datenabfrage gestartet. Der kapazitive Sensor verursacht jedoch einen sehr hohen konstruktiven Aufbau des Sperrmechanismus. Weiterhin aktiviert der Sensor die Steuerelektronik bei jeder Annäherung einer Person, eines Tieres und gegebenenfalls eines Metallteils oder bei Regen, was zu einem hohen Stromverbrauch führt.To reduce power consumption in a so-called Standby mode is known from EP 1 235 190 A1 For example, known, the control electronics a capacitive Sensor upstream. When approaching a person The capacitive sensor activates the locking mechanism the control electronics. Subsequently, the data query started. However, the capacitive sensor causes a very high structural design of the locking mechanism. Furthermore, the sensor activates the control electronics any approach of a person, an animal and, where appropriate a piece of metal or in the rain, resulting in a high power consumption leads.

Weiterhin ist aus der DE 101 45 026 A1 ein Sperrmechanismus bekannt, bei dem eine zweite Antenne als Annäherungssensor vorgesehen ist. Der Annäherungssensor aktiviert die Datenabfrage. Diese zweite Antenne verursacht jedoch einen beträchtlichen baulichen Aufwand und hat einen großen Platzbedarf. Bedingt durch den hohen Platzbedarf lässt sich die zweite Antenne nur schwer in einem Schließzylinder anordnen.Furthermore, from DE 101 45 026 A1 a locking mechanism known, in which a second antenna as a proximity sensor is provided. The proximity sensor is activated the data query. However, this second antenna causes a considerable construction effort and has a large Space requirements. Due to the high space requirement the second antenna is hard to get in one Arrange lock cylinder.

Der Erfindung liegt das Problem zugrunde, einen Sperrmechanismus der eingangs genannten Art so weiterzubilden, dass er einen möglichst geringen Stromverbrauch hat und ein hoher baulicher Aufwand weitgehend vermieden wird.The invention is based on the problem, a locking mechanism of the type mentioned at the beginning, that he has the lowest possible power consumption and a high structural complexity is largely avoided.

Dieses Problem wird erfindungsgemäß dadurch gelöst, dass die Signalerfassungseinrichtung und die Datenerfassungseinrichtung unabhängig voneinander aktivierbare Baugruppen aufweisen, dass die Baugruppen miteinander verbunden sind und dass die Baugruppe der Datenerfassungseinrichtung im Grundzustand inaktiv ist und durch ein Signal der Signalerfassungseinrichtung aktivierbar ist. This problem is inventively achieved in that the signal detection device and the data acquisition device independently activatable modules have that the assemblies connected together are and that the assembly of the data acquisition device is inactive in the ground state and by a signal of Signal detection device is activated.

Durch diese Gestaltung muss im Grundzustand ausschließlich die Signalerfassungseinrichtung zyklisch aktiv sein. Da die Signalerfassungseinrichtung keine Erfassung von Daten-Signalen des Transponders betreibt, erfordert diese einen besonders geringen Strombedarf. Die Signalerfassungseinrichtung erfasst erfindungsgemäß, ob sich überhaupt ein Transponder in der Nähe der Antenne befindet. Erst wenn irgendein Transponder erfasst ist, wird die Datenerfassungseinrichtung gestartet, die Daten aus dem Datenträger ausgelesen und die Berechtigung zum Ansteuern des Sperrmechanismus festgestellt. Weiterhin benötigt der erfindungsgemäße Sperrmechanismus keine weiteren Sensoren zum Start der Datenerfassungseinrichtung, da die Datenerfassungseinrichtung von der die Signale des Transponders empfangenden Signalerfassungseinrichtung aktiviert wird. Der erfindungsgemäße Sperrmechanismus ist daher besonders einfach aufgebaut und weist einen geringen Strombedarf auf.By this design must in the ground state exclusively the signal detection device be cyclically active. Since the signal detection means no detection of Data signals of the transponder operates requires this a particularly low power requirement. The signal detection device According to the invention, whether at all a transponder is located near the antenna. Only when any transponder is detected does the data acquisition device become started, the data from the disk read out and the authorization to control the locking mechanism detected. Furthermore, the required Locking mechanism according to the invention no further sensors to start the data acquisition device, since the data acquisition device from the signals of the transponder receiving signal detection device is activated. The locking mechanism according to the invention is therefore particularly simple and has a low power consumption on.

Die Antenne könnte beispielsweise zum Empfang der Daten des Transponders dauerhaft bestromt werden. Eine ständige Empfangsbereitschaft der Antenne lässt sich gemäß einer vorteilhaften Weiterbildung der Erfindung jedoch einfach vermeiden, wenn die Signalerfassungseinrichtung einen Impulsgeber und eine erste, für die Dauer eines Impulses ansteuerbare Schaltstufe aufweist und wenn die erste Schaltstufe die Antenne während des Impulses mit einer Stromquelle verbindet. Dies trägt zur weiteren Verringerung des Stromverbrauchs der Steuerelektronik bei.For example, the antenna could receive the data of the transponder are permanently energized. A constant Reception readiness of the antenna can be according to a advantageous embodiment of the invention, however, simple avoid if the signal detection device a pulse generator and a first, for the duration of a pulse has controllable switching stage and if the first Switching the antenna during the pulse with a Power source connects. This contributes to the further reduction the power consumption of the control electronics.

Eine schnelle Erfassung eines im Empfangsbereich der Antenne befindlichen Transponders bei gleichzeitig geringem Stromverbrauch des erfindungsgemäßen Sperrmechanismus lässt sich einfach erreichen, wenn der Impulsgeber Impulse mit einer an die Antennencharakteristik angepassten Dauer liefert. Zur schnellen Erfassung eines Transponders im Empfangsbereich genügen häufig vier Impulse in der Sekunde.Fast detection of one in the reception area of the antenna located transponder at the same time low Power consumption of the locking mechanism according to the invention can be reached easily if the pulse generator impulses with a matched to the antenna characteristics Duration delivers. For fast detection of a transponder In the reception area, four pulses per second are often sufficient.

Die Datenerfassungseinrichtung lässt sich bei Empfang eines Signals über die Antenne gemäß einer anderen vorteilhaften Weiterbildung der Erfindung einfach aktivieren, wenn die Datenerfassungseinrichtung eine dritte Schaltstufe zu ihrer Aktivierung hat und wenn die dritte Schaltstufe von der Signalerfassungseinrichtung ansteuerbar ist. Bei Ausbleiben eines Signals der Antenne verharrt die Datenerfassungseinrichtung im inaktiven Zustand und vermeidet daher unnötigen Stromverbrauch bei Bereitschaft ohne Signal der Antenne.The data acquisition device can be upon receipt of a Signals through the antenna according to another advantageous Simply activate the invention, if the data acquisition device a third Switching stage to its activation and if the third Switching stage of the signal detection device controlled is. In the absence of a signal the antenna remains frozen the data acquisition device in the inactive state and therefore avoids unnecessary power consumption during standby without signal of the antenna.

Das Erfassen des Transponders erfordert gemäß einer anderen vorteilhaften Weiterbildung der Erfindung einen besonders geringen Stromverbrauch, wenn die zweite Schaltstufe bis zu 100µs im aktiven Zustand verharrt.The detection of the transponder requires according to another advantageous development of the invention a particularly low power consumption when the second Switching stage remains in the active state up to 100μs.

Zur weiteren Verringerung des Stromverbrauchs des erfindungsgemäßen Sperrmechanismus trägt es bei, wenn eine Datenerfassungseinrichtung mit der dritten Schaltstufe verbunden ist. Die Erkennung durch die Signalerfassungseinrichtung ob ein Signal vorliegt, benötigt wesentlich weniger elektrische Energie als die Erkennung, welche Daten vorliegen. Durch die Anordnung der Datenerfassungseinrichtung ausschließlich nach der dritten Schaltstufe lässt sich der Stromverbrauch für die Datenerfassungseinrichtung besonders gering halten.To further reduce the power consumption of the invention Locking mechanism helps when a data collection device connected to the third switching stage is. The detection by the signal detection device if there is a signal needed much less electrical energy than the detection, what data is available. By the arrangement of the data acquisition device exclusively after the third Switching can be the power consumption for the data acquisition device keep it low.

Der erfindungsgemäße Sperrmechanismus ist besonders kompakt aufgebaut, wenn die Signalerfassungseinrichtung und die Datenerfassungseinrichtung einen gemeinsamen Mikroprozessor aufweisen. The locking mechanism according to the invention is particularly compact constructed when the signal detection device and the data acquisition device a common microprocessor exhibit.

Zwischen der Steuerelektronik und einem Aktuator des Sperrriegels ist eine vierte Schaltstufe angeordnet. Die vierte Schaltstufe lässt sich einfach ansteuern, wenn die Datenerfassungseinrichtung die Signale des Transponders ausgewertet hat und den Sperrmechanismus freigibt. Ohne Freigabeberechtigung unterbleibt die Ansteuerung der vierten Schaltstufe, so dass der Sperrriegel stromlos in seiner den Schließzylinder blockierenden Stellung verharrt.Between the control electronics and an actuator of the Locking bar is arranged a fourth switching stage. The fourth switching stage is easy to control when the Data acquisition device, the signals of the transponder has evaluated and releases the locking mechanism. Without Release authorization is omitted under the control of fourth switching stage, so that the locking latch de-energized in his blocking the lock cylinder position remains.

Die Erfindung lässt zahlreiche Ausführungsformen zu. Zur weiteren Verdeutlichung ihres Grundprinzips ist eine davon in der Zeichnung dargestellt und wird nachfolgend beschrieben. Diese zeigt in

Fig.1
schematisch eine Schnittdarstellung durch einen Schließzylinder mit einem erfindungsgemäßen Sperrmechanismus,
Fig.2
einen Schaltplan einer Steuerelektronik des erfindungsgemäßen Sperrmechanismus.
The invention allows numerous embodiments. To further clarify its basic principle, one of them is shown in the drawing and will be described below. This shows in
Fig.1
1 is a schematic sectional view through a lock cylinder with a locking mechanism according to the invention;
Fig.2
a circuit diagram of an electronic control system of the locking mechanism according to the invention.

Figur 1 zeigt schematisch eine Schnittdarstellung durch einen Schließzylinder 1 mit einem in einem Gehäuse 2 drehbaren Kern 3 und einem elektronisch aktivierbaren Sperrmechanismus 4 zur wahlweisen Blockierung oder Freigabe der Bewegung des Kerns 3. Der Sperrmechanismus 4 hat eine mit einem Aktuator 5 verbundene Steuerelektronik 6. Der Aktuator 5 dient zum Halten oder Freigeben der Bewegung eines in eine Ausnehmung 7 des Kerns 3 vorgespannten Sperrriegels 8. Die Steuerelektronik 6 ist mit einer Antenne 9 verbunden und wird von einer Batterie 10 als Stromquelle mit elektrischem Strom versorgt. Der Kern 3 weist einen Schließkanal 11 zur Aufnahme eines Schaftes eines Schlüssels 12 auf. Der Schlüssel 12 hat einen mit einem Transponder 13 verbundenen Datenträger 14. Wird der Schlüssel 12 in die Nähe der Antenne 9 bewegt, empfängt diese Signale des Transponders 13. Die Steuerelektronik 6 liest den Datenträger 14 aus und ermittelt aus diesen Daten eine Schließberechtigung des Schließzylinders 1. Damit wird in Abhängigkeit von den Daten des Datenträgers 14 der Aktuator 5 wahlweise angesteuert oder die Ansteuerung unterbleibt.Figure 1 shows schematically a sectional view through a lock cylinder 1 with a in a housing. 2 rotatable core 3 and an electronically activated Locking mechanism 4 for selective blocking or release the movement of the core 3. The locking mechanism 4 has an electronic control unit 6 connected to an actuator 5. The actuator 5 serves to hold or release the movement one biased into a recess 7 of the core 3 Locking bar 8. The control electronics 6 is equipped with an antenna 9 and connected by a battery 10 as Power source supplied with electrical power. The core 3 has a closing channel 11 for receiving a shank of a key 12. The key 12 has one with a transponder 13 connected to the disk 14. Is the Key 12 moves in the vicinity of the antenna 9 receives these signals of the transponder 13. The control electronics. 6 reads out the data carrier 14 and determines from this data a locking authorization of the lock cylinder 1. Thus will depend on the data of the disk 14, the actuator 5 selectively driven or the control omitted.

Figur 2 zeigt einen Schaltplan des Sperrmechanismus 4 aus Figur 1 mit dem Datenträger 14 und dem Transponderschwingkreis 13 des Schlüssels. Die Steuerelektronik 6 hat eine Signalerfassungseinrichtung 15 zum Empfang der Signale der Antenne 9 und eine Datenerfassungseinrichtung 16 zum Auslesen des Datenträgers 14 und zur Ermittlung der Schließberechtigung. Die Signalerfassungseinrichtung 15 und die Datenerfassungseinrichtung 16 haben einen gemeinsamen Mikroprozessor 17 und unabhängig voneinander aktivierbare Baugruppen. Eine Baugruppe der Signalerfassungseinrichtung 15 weist einen Impulsgeber 18 und eine erste Schaltstufe 19 auf. In Abhängigkeit von den Signalen des Impulsgebers 18 wird die erste Schaltstufe 19 angesteuert und die Antenne 9 mit der Batterie 10 verbunden. Hierdurch wird in der Antenne 9 ein magnetischer Impuls gebildet. Sofern sich ein Transponder 13 im Empfangsbereich der Antenne 9 befindet, ergeben sich in der Antenne 9 Rückwirkungen aufgrund des magnetischen Pulses. Durch Aktivierung der zweiten Schaltstufe 20 der Signalerfassungseinrichtung 15 wird die Batterie 10 mit dem Verstärker 21 verbunden. Damit werden die Rückwirkungen in der Antenne 9 erfasst und dem Mikroprozessor 17 zur Signalauswertung weitergeleitet. Der Mikroprozessor 17 erkennt den im Empfangsbereich der Antenne 9 vorhandenen Transponder 13 und aktiviert daraufhin die dritte Schaltstufe 25 und verbindet so die Datenerfassungseinrichtung 16 mit der Batterie 10. Ein Trägergenerator 28 bestromt die Antenne 9 periodisch. Die Antenne 9 sendet dadurch ein magnetisches Wechselfeld, das den Transponder 13 in ihrem Empfangsbereich mit Energie versorgt, und der Transponder 13 sendet daraufhin seine Daten aus. Diese werden aus dem Signal der Antenne von einem Demodulator 26 und einem Verstärker 27 erfasst und an den Mikroprozessor 17 zur Auswertung weitergeleitet. Der Mikroprozessor 17 ist mit einer vierten Schaltstufe 22 verbunden, welche den in Figur 1 dargestellten Aktor 5 ansteuert.FIG. 2 shows a circuit diagram of the locking mechanism 4 Figure 1 with the disk 14 and the transponder resonant circuit 13 of the key. The control electronics 6 has a signal detection means 15 for receiving the Signals of the antenna 9 and a data acquisition device 16 for reading the data carrier 14 and for determination the closing authorization. The signal detection device 15 and the data acquisition device 16 have a common Microprocessor 17 and independently activatable modules. An assembly of the signal detection device 15 has a pulse generator 18 and a first switching stage 19. Depending on the signals the pulse generator 18, the first switching stage 19 is driven and the antenna 9 is connected to the battery 10. As a result, in the antenna 9, a magnetic pulse educated. If a transponder 13 in the reception area the antenna 9 is found in the Antenna 9 Reactions due to the magnetic pulse. By activation of the second switching stage 20 of the signal detection device 15, the battery 10 with the Amplifier 21 connected. This will be the repercussions detected in the antenna 9 and the microprocessor 17 for Signal evaluation forwarded. The microprocessor 17 detects the existing in the reception area of the antenna 9 Transponder 13 and then activates the third Switching stage 25, thus connecting the data acquisition device 16 with the battery 10. A carrier generator 28 the antenna 9 is energized periodically. The antenna 9 transmits thereby a magnetic alternating field, which the transponder 13 is powered in their reception area, and the Transponder 13 then sends its data. These be from the signal of the antenna from a demodulator 26 and an amplifier 27 detected and sent to the microprocessor 17 forwarded for evaluation. The microprocessor 17 is connected to a fourth switching stage 22, which activates the actuator 5 shown in FIG.

Bei Abwesenheit eines Transponders 13 von dem Empfangsbereich der Antenne 9 erhält in Abhängigkeit von den Signalen des Impulsgebers 18 die erste Schaltstufe einen periodischen Anregungsimpuls. Damit wird die Wicklung der Antenne 9 bestromt. Es bildet sich in der Antennennähe ein magnetisches Feld, welches wegen der Kürze des Impulses wieder zusammenbricht. Nach dem Impuls entsteht damit in der Antenne 9 keine periodische Spannungsänderung als Rückwirkung durch den Impuls, was zur Folge hat, dass die dritte Schaltstufe 25 nicht angesteuert wird und die Datenerfassung nicht eingeschaltet wird.In the absence of a transponder 13 from the reception area the antenna 9 receives in response to the signals the pulse generator 18, the first switching stage a periodic Excitation pulse. This turns the winding of the antenna 9 energized. It forms near the antenna magnetic field, which due to the shortness of the pulse collapses again. After the impulse arises in the antenna 9 no periodic voltage change as Feedback by the impulse, which has the consequence that the third switching stage 25 is not driven and the data acquisition is not turned on.

Befindet sich irgendein Transponder 13 mit seinem Schwingkreis im Empfangsbereich der Antenne 9, wird bei Aussendung des Impulses des Impulsgebers 18 ein Teil der vom Transponder 13 empfangenen magnetischen Energie in elektrische Energie induziert und an einen Resonanzkondensator 23 des Transponders weitergegeben. Durch die stoßförmige Anregung des Schwingkreises im Transponder 13 stellt sich nach dem Impuls eine abklingende, periodische Schwingung gemäß der Resonanzcharakteristik des Antennenkreises ein. Eine Transponderantenne 24 erzeugt im Rhythmus der Schwingung ein relativ schwaches magnetisches Feld. Die Antenne 9 empfängt das Feld und gibt es als Wechselspannungssignal an den Verstärker 21 der Signalerfassungseinrichtung 15 weiter. Der Mikroprozessor 17 steuert nach Auswertung der Impulsfolge die dritte Schaltstufe 25 für die Datenerfassungseinrichtung 16 an.Is any transponder 13 with his Oscillatory circuit in the reception area of the antenna 9, at Transmission of the pulse of the pulse generator 18 a part of from the transponder 13 received magnetic energy in induced electrical energy and to a resonant capacitor 23 of the transponder passed. By the impulsive excitation of the resonant circuit in the transponder 13 after the impulse, there is an evanescent, periodic one Oscillation according to the resonance characteristic of the antenna circuit one. A transponder antenna 24 generates in rhythm the vibration is a relatively weak magnetic Field. The antenna 9 receives the field and gives it as AC signal to the amplifier 21 of the signal detection device 15 continue. The microprocessor 17 controls after evaluation of the pulse train, the third Switching stage 25 for the data acquisition device 16 at.

Claims (8)

Elektronisch aktivierbarer Sperrmechanismus für eine Schließeinrichtung mit einer Antenne zum Empfang von Signalen eines Transponders eines Datenträgers und zur Erzeugung von elektrischen, dem Transponder entsprechenden Signalen, mit einer Steuerelektronik zur Auswertung der Signale der Antenne und zur Ansteuerung eines Sperrriegels in Abhängigkeit von den Daten des Transponders und mit einer Signalerfassungseinrichtung zur Erfassung des Signals der Antenne und mit einer Datenerfassungseinrichtung zur Erfassung und Auswertung der Daten-Signale des Transponders, dadurch gekennzeichnet, dass die Signalerfassungseinrichtung (15) und die Datenerfassungseinrichtung (16) unabhängig voneinander aktivierbare Baugruppen aufweisen, dass die Baugruppen miteinander verbunden sind und dass die Baugruppe der Datenerfassungseinrichtung (16) im Grundzustand inaktiv ist und durch ein Signal der Signalerfassungseinrichtung (15) aktivierbar ist.Electronically activatable locking mechanism for a locking device with an antenna for receiving signals of a transponder of a data carrier and for generating electrical signals corresponding to the transponder, with control electronics for evaluating the signals of the antenna and for controlling a locking bar depending on the data of the transponder and with a signal detection device for detecting the signal of the antenna and with a data acquisition device for detecting and evaluating the data signals of the transponder, characterized in that the signal detection device (15) and the data acquisition device (16) have independently activatable modules, that the modules are interconnected are and that the assembly of the data acquisition device (16) is inactive in the ground state and by a signal of the signal detection means (15) can be activated. Elektronisch aktivierbarer Sperrmechanismus nach Anspruch 1, dadurch gekennzeichnet, dass die Signalerfassungseinrichtung (15) einen Impulsgeber (18) und eine erste, für die Dauer eines Impulses ansteuerbare Schaltstufe (19) aufweist und dass die erste Schaltstufe (19) die Antenne (9) während des Impulses mit einer Stromquelle verbindet.Electronically activatable locking mechanism according to claim 1, characterized in that the signal detection means (15) comprises a pulse generator (18) and a first, for the duration of a pulse controllable switching stage (19) and that the first switching stage (19), the antenna (9) during of the pulse connects to a power source. Elektronisch aktivierbarer Sperrmechanismus nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Impulsgeber (18) Impulse mit einer an die Antennencharakteristik angepassten Dauer liefert. Electronically activatable locking mechanism according to claim 1 or 2, characterized in that the pulse generator (18) delivers pulses with a duration adapted to the antenna characteristic. Elektronisch aktivierbarer Sperrmechanismus nach zumindest einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Datenerfassungseinrichtung (16) eine dritte Schaltstufe (25) zu ihrer Aktivierung hat und dass die dritte Schaltstufe (25) von der Signalerfassungseinrichtung (15) ansteuerbar ist.Electronically activatable locking mechanism according to at least one of the preceding claims, characterized in that the data acquisition device (16) has a third switching stage (25) for its activation and that the third switching stage (25) of the signal detection means (15) is controllable. Elektronisch aktivierbarer Sperrmechanismus nach zumindest einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die zweite Schaltstufe (20) bis zu 100µs im aktiven Zustand verharrt.Electronically activatable locking mechanism according to at least one of the preceding claims, characterized in that the second switching stage (20) remains up to 100μs in the active state. Elektronisch aktivierbarer Sperrmechanismus nach zumindest einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass ein Verstärker (21) der Signalerfassungseinrichtung (15) mit der zweiten Schaltstufe (20) verbunden ist.Electronically activatable locking mechanism according to at least one of the preceding claims, characterized in that an amplifier (21) of the signal detection device (15) is connected to the second switching stage (20). Elektronisch aktivierbarer Sperrmechanismus nach zumindest einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Signalerfassungseinrichtung (15) und die Datenerfassungseinrichtung (16) einen gemeinsamen Mikroprozessor (17) aufweisen.Electronically activatable locking mechanism according to at least one of the preceding claims, characterized in that the signal detection device (15) and the data acquisition device (16) have a common microprocessor (17). Elektronisch aktivierbarer Sperrmechanismus nach zumindest einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass zwischen der Steuerelektronik (6) und einem Aktuator (5) des Sperrriegels (8) eine vierte Schaltstufe (22) angeordnet ist.Electronically activatable locking mechanism according to at least one of the preceding claims, characterized in that a fourth switching stage (22) is arranged between the control electronics (6) and an actuator (5) of the locking bolt (8).
EP04104755A 2003-11-15 2004-09-29 Electronically activatable locking mechanism Not-in-force EP1531431B1 (en)

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PL04104755T PL1531431T3 (en) 2003-11-15 2004-09-29 Electronically activatable locking mechanism

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DE10353466A DE10353466A1 (en) 2003-11-15 2003-11-15 Electronically activated locking mechanism
DE10353466 2003-11-15

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EP1531431A2 true EP1531431A2 (en) 2005-05-18
EP1531431A3 EP1531431A3 (en) 2005-10-05
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ATE390676T1 (en) 2008-04-15
DE10353466A1 (en) 2005-06-23
DE502004006646D1 (en) 2008-05-08
EP1531431A3 (en) 2005-10-05
EP1531431B1 (en) 2008-03-26
PL1531431T3 (en) 2008-09-30
ES2301939T3 (en) 2008-07-01

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