EP0743411B2 - Locking device - Google Patents

Locking device Download PDF

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Publication number
EP0743411B2
EP0743411B2 EP96105945A EP96105945A EP0743411B2 EP 0743411 B2 EP0743411 B2 EP 0743411B2 EP 96105945 A EP96105945 A EP 96105945A EP 96105945 A EP96105945 A EP 96105945A EP 0743411 B2 EP0743411 B2 EP 0743411B2
Authority
EP
European Patent Office
Prior art keywords
cylinder
key
locking device
core
locking
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP96105945A
Other languages
German (de)
French (fr)
Other versions
EP0743411A3 (en
EP0743411B1 (en
EP0743411A2 (en
Inventor
Leonhard Lerchner
Hermann Hainzlmaier
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.)
Assa Abloy Schweiz AG
Original Assignee
Keso AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Application filed by Keso AG filed Critical Keso AG
Publication of EP0743411A2 publication Critical patent/EP0743411A2/en
Publication of EP0743411A3 publication Critical patent/EP0743411A3/en
Publication of EP0743411B1 publication Critical patent/EP0743411B1/en
Application granted granted Critical
Publication of EP0743411B2 publication Critical patent/EP0743411B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/06Controlling mechanically-operated bolts by electro-magnetically-operated detents
    • E05B47/0611Cylinder locks with electromagnetic control
    • E05B47/0619Cylinder locks with electromagnetic control by blocking the rotor
    • E05B47/0626Cylinder locks with electromagnetic control by blocking the rotor radially
    • E05B47/063Cylinder locks with electromagnetic control by blocking the rotor radially with a rectilinearly moveable blocking element
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B35/00Locks for use with special keys or a plurality of keys ; keys therefor
    • E05B35/14Locks for use with special keys or a plurality of keys ; keys therefor with keys of which different parts operate separate mechanisms
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME 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
    • G07C9/00Individual registration on entry or exit
    • G07C9/00174Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00309Electronically 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
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B2047/0048Circuits, feeding, monitoring
    • E05B2047/0057Feeding
    • E05B2047/0058Feeding by batteries
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B2047/0048Circuits, feeding, monitoring
    • E05B2047/0057Feeding
    • E05B2047/0064Feeding by solar cells
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B43/00Time locks
    • E05B43/005Timer devices controlling electrically operated locks
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0012Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME 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
    • G07C9/00Individual registration on entry or exit
    • G07C9/00174Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C2009/00753Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys
    • G07C2009/00769Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means
    • G07C2009/00777Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means by induction
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00Locks
    • Y10T70/70Operating mechanism
    • Y10T70/7051Using a powered device [e.g., motor]
    • Y10T70/7062Electrical type [e.g., solenoid]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00Locks
    • Y10T70/70Operating mechanism
    • Y10T70/7051Using a powered device [e.g., motor]
    • Y10T70/7062Electrical type [e.g., solenoid]
    • Y10T70/7068Actuated after correct combination recognized [e.g., numerical, alphabetical, or magnet[s] pattern]
    • Y10T70/7073Including use of a key
    • Y10T70/7079Key rotated [e.g., Eurocylinder]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00Locks
    • Y10T70/70Operating mechanism
    • Y10T70/7051Using a powered device [e.g., motor]
    • Y10T70/7062Electrical type [e.g., solenoid]
    • Y10T70/713Dogging manual operator

Definitions

  • the invention relates to a locking device according to the preamble of claim 1.
  • a locking device is known from EP 0 401 647 A1 known, the locking cylinder of the usual size and Has shape. So an existing lock can only by replacing the lock cylinder to the known one Locking device can be converted.
  • the energy supply unit provided in the key In the known locking device, the energy supply unit provided in the key.
  • the Actuator is formed by an electromagnet, who operates a latch that is spring-loaded in the release position, Locking element displaceable in the axial direction releases that arranged at the end of the key channel is.
  • the electromagnet is powered via a contact at the tip of the key.
  • the well-known Locking device has the disadvantage that Locking device easily accessible via the key channel and the lock opens slightly violently leaves. Apart from that, the keys point through the Battery a bulky, bulky shape. Furthermore is the known locking device in a Variety of keys for a lock by the corresponding one large number of batteries expensive.
  • WO-A-93 19267 is a locking device known according to the preamble of claim 1.
  • the cylinder core has a groove-shaped on its circumference Recess in which a roll-shaped Locking device engages.
  • the locking member has an annular shape Grooves on and acts with an axially displaceable Slide together, which is provided with projections, the outside in the closed position on the circumference of the blocking member of the grooves and in the open position on the grooves are arranged.
  • a Electric motor provided, the motor shaft with a Screw thread is provided, which in a nut on Engages slide.
  • the key can be used with a battery Transmitter as an electronic code transmitter be provided with a code evaluator in the cylinder housing cooperates to control the engine.
  • a large one must be used Electric motor can be provided, whereby the External dimensions of the locking device by one conventional cylinder lock differ significantly. An exchange of an existing cylinder lock by this well-known cylinder lock is therefore not possible.
  • the object of the invention is an existing locking device in a door without changes to the door and without the mechanical Coding deteriorate against a locking device exchange with additional electronic coding, which is difficult to open by force.
  • the locking device becomes a transponder as an electronic code transmitter and a transponder reading device as a code evaluator used.
  • the data transfer is therefore contactless, which eliminates the problems with transmission contacts, such as Contamination, wear and deformation avoided become.
  • the code transmitter or data carrier is passive, can be a flat key with a common size reed be used.
  • Locking device with only one power supply unit in the cylinder housing, independently on the number of authorized for the locking device Key.
  • the transponder reading device, the actuator and the power supply unit are according to the invention arranged in the cylinder housing.
  • Closing device therefore only needs the locking cylinder in existing objects without modification the door and without changing the lock and fitting to be replaced.
  • the locking member actuated by the actuator engages according to the invention on the peripheral surface of the cylinder core on, with a key channel leading to the peripheral surface of the cylinder core is laterally open, so at a distance from its side opening.
  • the blocking organ is therefore not accessible via the key channel and thus the castle with force over the Not the key channel, at least difficult to open.
  • the locking member engages in a recess in the Circumferential surface of the cylinder core. It is in his Locked position preferably spring-loaded. The power to engage the locking member in the locked position, that is in the recess, is thus applied by the spring. The disengagement of the locking member from the recess in the peripheral surface of the cylinder core, so the release of the cylinder core is done manually Force when turning the plugged in the cylinder core Key.
  • a roller body rotatably mounted engages in the recess.
  • the rolling element can, for example be a ball, but preferably it will formed by a role in a corresponding Longitudinal groove engages on the circumference of the cylinder core.
  • the role is set in the blocking position of the blocking element a violent rotation of the cylinder core high shear force. It also rolls over the Bores in the cylinder core in which the tumbler pins are arranged in case the key like explained in more detail below, in addition to the electronic Coding has a mechanical coding, d. H. tumblers are provided in the locking cylinder feel the recessed key.
  • the actuator can be a relay, for example. However, it is preferably by an electric motor formed on the motor shaft an eccentric with two diametrically opposite cam sits, which in the Cylinder housing radially displaceable locking member moves to the locked or unlocked position.
  • the motor is designed to rotate freely. That is, he does not need to apply force to the locking member to postpone. Because, as mentioned above, takes place the displacement of the locking member into the locked position by its spring load in the locked position, while the force to move the blocking member into the Release position when turning the cylinder core manually is applied.
  • the motor can therefore be made very small and thus accommodated in a space-saving manner in the cylinder housing become. Its energy consumption is also very low.
  • the locking member is preferably designed as a bracket, which with its two ends each in one Recess engages on one or the other Side of the key channel in the peripheral surface of the cylinder core is provided, being on the back of the bracket attacks the actuator.
  • Most cylinder locks have a cylinder housing with a cylinder bag in which the spring-loaded Tumbler pins of the tumblers arranged are the edge provided with the depressions of the flat key.
  • the lock cylinder since the lock cylinder according to the invention above all intended to replace these cylinder locks , it preferably has the same shape, ie also such a cylinder bag.
  • the actuator, the transponder reading unit and the Power supply unit arranged in the cylinder bag of the cylinder housing.
  • the cylinder locks of the doors of existing objects are generally as double cylinder locks trained with two cylinder cores. Between the two A cylinder head is arranged, which at least rotatably connected to that cylinder core that is being turned with the key.
  • the cylinder housing faces between its two Halves a recess for the lock bit.
  • the two cylinder cores can be connected to one another in a rotationally fixed manner or if a corresponding coupling is provided is rotatable with respect to each other. In the latter case is preferably only one of the two Cylinder cores blocked or released by the blocking member, and preferably on the cylinder core the outside of the door. The cylinder core on the inside of the door can then only be coded mechanically Key can be unlocked.
  • both cylinder housing halves with a connecting piece are connectable in a recess in the Cylinder sack of one or the other half of the cylinder housing is pluggable.
  • the assembly of these double cylinder locks is particularly easy.
  • the two Halves of the cylinder housing also with one Connector connectable into a recess in the cylinder sack of one or the other half of the cylinder housing intervenes.
  • the key be electronically encoded only.
  • electronic coding provides an additional one Code for the mechanical code of the flat key That is, the lock cylinder has according to the invention preferably additional mechanical tumblers on who scan the key, so that when it is correct Classification of the tumblers in the wells of the Key of the cylinder core is released.
  • the electronic coding of the key serves then primarily as a personnel and additional security code, which the transponder reading device recognizes so that if the electronic Codes with that in the transponder reader Locking device releases the cylinder core or otherwise keeps locked.
  • the electronic coding means that Lock security significantly increased. So z. B. at Loss or theft of the personally encoded key the code in the memory of the transponder reading device can be easily changed accordingly. Can too with the electronic coding the lock actuation z. B. only at certain predetermined times or only for a specific period or periods be released or blocked.
  • the mechanical tumblers can, as usual, from a series of holes in the cylinder core inserted tumbler pins and interact with them spring-loaded tumbler elements in the Cylinder housing exist.
  • the on both sides of the key and on both Key broadsides Rows of recesses for classification the tumbler pins has three rows of Tumblers are provided, being in the holes of the cylinder core inserted tumbler pins, which in engage the key broadside recesses, on one or the other side of the key channel are arranged, and in the bores of the cylinder core inserted tumbler pins into the recesses on one of the two narrow sides of the key intervene, arranged in the key channel level are.
  • the transponder reading device can use two ferrite antennas be provided with one on the Outside and the other on the inside of the door.
  • the key also preferably has one Ferrite antenna. If he trained as a reversible key , two ferrite antennas are provided, and one on one and the other on the other Half of the key bow. In the key box you can Holes may be provided around the rod-shaped ferrite antennas take.
  • the arrangement of the ferrite antennas in the locking cylinder and the key is hit so that in the key inserted in the lock cylinder only narrow air gap between the ferrite antenna of the Lock cylinder and the ferrite antenna of the key arises, resulting in only slight energy losses during transmission occur.
  • the transponder reading device comprises a microprocessor and a non-volatile memory. Further is generally a clock for the date and time function provided with a quartz oscillator as a time base. The actuator is controlled directly by the microprocessor.
  • the transponder reading device is always ready for operation.
  • the processor is preferably in one "Stand-by" or “sleep” mode, in which only the date and time function is activated.
  • the Processor is powered or activated when the Key is inserted into the lock cylinder.
  • the processor is activated by a wake-up circuit in these Operating mode or read mode switched.
  • the user data In the activated operating mode, after reading of the data in the memory and any security decoding of the key the user data read the key from the memory.
  • the read ones Key data are saved with the Data checked in the cylinder lock (e.g. customer number, Locking system number, group number, Key number). Fit the read data of the key to the stored data remains the blocking organ blocked, if there is a match the locking element is unlocked by the actuator.
  • the unlocked state of the locking member remains one certain predetermined period of time, e.g. B. maintain 5 s. Will not be the key at this time twisted, the actuator for locking the locking member actuated. In other words, the key must then be a second one Times in the lock cylinder when it does not twist after the specified period of time becomes.
  • Waking up the transponder reading device can be done in different ways. So can the wake-up circuit have a sensor, for example a piezo element that inserts the key captured in the lock cylinder. The piezo element can thereby, for example, through the tumblers with pressure be charged.
  • a sensor for example a piezo element that inserts the key captured in the lock cylinder.
  • the piezo element can thereby, for example, through the tumblers with pressure be charged.
  • An inductive proximity sensor can also be provided his. So when the key is approaching even the resonance circuit of the transponder reading device be out of tune.
  • the transponder reading device can at certain intervals via the ferrite antenna, z. B. of 1 s, send out pulses be damped when the key approaches and to operate the wake-up circuit.
  • the energy supply direction can be exchangeable Battery or a rechargeable battery.
  • the battery can be charged by solar cells. Charging the energy supply device can however also by means of a via the ferrite antenna Transponder reading device that can be coupled with a high-frequency field respectively. This can result in contact pieces for charging the energy supply device be disregarded.
  • a "power” key For charging the energy supply direction using a high-frequency field can be a "power" key be provided with a ferrite antenna, so that the energy across the narrow air gap between the ferrite antenna of the "power" key and the ferrite antenna transmitted to the transponder reading device becomes.
  • the "Power” key has no lock function. It can be designed as an emergency opening key. That is, that with him on the energy supply direction transferable energy can be such that it only for a single actuation of the actuator, that is enough to unlock the door once.
  • Saving the data in the memory of the Transponder reading device and the removal of the data is preferably carried out from the memory by means of a via the ferrite antenna of the transponder reading device field to be coupled.
  • the storage of the data of the authorized The key can be done with a programming key.
  • a delete key can also be used to remove the stored data may be provided.
  • a programming device that with a PC is operated, provided with which the data transferred to the programming or deletion key become. That is, the programming or deletion key serves as a communication key between the programming device and the transponder reading device.
  • the programming device is also used for programming of the circuit contained in the key (IC).
  • the locking member moves the actuator into the locked position.
  • the key's ferrite antenna also differs from the Lock cylinder ferrite antenna away. That is, would if no additional measures were taken, the Actuator actuated when turning the locking cylinder, namely he would try to put the blocking organ in the To push the locking position.
  • the actuator when turning leaving the key inactive can be a Key plug sensor, for example a piezo element, or a switch for detecting a rotational position of the cylinder core may be provided. Because when turning the locking element in the release position is, the switch is preferably so designed to be operated by the locking device, if this is in the release position.
  • the power supply unit can use a special unlocking algorithm the cylinder lock can be provided.
  • This algorithm can, for example, a time delay between inserting the key into the Lock cylinder and the release of the cylinder core his or a multiple insertion of the Key to open the lock.
  • the locking device according to the invention can also be double or multiple locking be performed. In other words, an opening only takes place after inserting two or more authorized Keys, possibly in a specific order.
  • the power supply device is in a compartment arranged in the cylinder housing. This subject can preferably can only be opened if an authorized Key is inserted into the lock. The insurance the subject can be done by the actuator.
  • Cylinder housing 1 has a double cylinder lock Cylinder housing 1, in its two halves 2, 3rd each a cylinder core 4, 5 is rotatably mounted.
  • Each cylinder housing half 2, 3 is with a solid Cylinder bag 6, 7 provided. Between the two Cylinder housing halves 2, 3 have the cylinder housing a recess 8 for the lock bit 9, which between the two cylinder cores 4, 5 is arranged.
  • the lock bit 9 is with that cylinder core 2 or 3 rotatably by means of a clutch, not shown connected, which is turned with the key 12, the key channel 10, 11 of the cylinder core 4, 5 is stuck.
  • a bore 13 in the cylinder housing 1 is used for Attachment of the double cylinder lock with a screw not shown in the door lock.
  • cylinder bag 6 is, as by that Block diagram in Fig. 1 illustrates a ferrite antenna 14 arranged through a corresponding hole 15 extends in the end wall of the cylinder housing 1.
  • a second ferrite antenna, not shown can in the other cylinder bag 7 to the Extend the front.
  • the antenna 14 is connected to a transponder reading device connected, which essentially consists of a microprocessor 16 and a non-volatile memory 17 consists.
  • the transponder reading device also has an analog part 18, and a real-time clock 19 and one Quartz oscillator 20 as a time base.
  • the transponder reading device, d. H. the antenna 14, the microprocessor 16, the memory 17, the analog part 18, the real time clock 19 and the quartz oscillator 20 are together with an actuator 22 and one blocking element 23 actuated by actuator 22 in one module 21 arranged with a solid housing (Fig. 2).
  • the module 21 is pushed into the cylinder bag 6, and that from the center of the cylinder housing 1 facing Side of the cylinder housing half 2. From the Module 21 has the ferrite antenna 14 on one end in front.
  • the energy supply device 24 is in one Compartment in the cylinder bag 5 of the other half of the cylinder housing 3 arranged. You can enter the subject of the Middle of the cylinder housing 1 facing side in the Cylinder bag 5 are pushed (Fig. 1). The power supply device 24 is connected to a line 25 connected to module 21 (Fig. 2).
  • the key 12 is on the key cord 27 with an electronic module 26 which the Contains disk.
  • the trained as a transponder Key 12 points to radio frequency data transmission two ferrite antennas 28, 29, which in corresponding Holes in the upper and lower half of the Key 27 are inserted.
  • the key 12 is on the broad side with depressions 30 provided in those described below Intercept tumblers. Corresponding specializations are on the other key broadside, not shown in Fig. 1 as well as on the two narrow sides of the key intended.
  • the actuator 22 has a tiny electric motor 34 on, whose shaft 35 extends in the longitudinal direction of the cylinder core extends.
  • An eccentric 36 is rotationally fixed on the shaft 35 arranged, the two cams 37 offset by 180 °, 38 has.
  • the locking member 23 is formed by a bracket 39 at its two ends a roll 40, 41 is rotatably mounted.
  • the rollers 40, 41 engage in Cylindrical core longitudinal groove-shaped Recesses 42, 43 on the cylinder core circumference.
  • the Recesses 42, 43 have a roller 40, 41 corresponding radius of curvature.
  • the length of the Rolls 40, 41 corresponds to approximately half the length of the Cylinder core 4.
  • the recesses 42, 43 on the circumference of the cylinder core are at a distance from the key channel 10 arranged downwards, i.e. to the cylinder bag 6 is open.
  • the bracket 39 is in a corresponding recess in the module 21 radially displaceable to the cylinder core 4 guided.
  • the two ends of the bracket 39 with the Rollers 40, 41 protrude from the top surface 44 of the module 21, which is concave according to the cylinder core 4 is curved (Fig. 2).
  • the surface 44 of the module 21 is in turn with slot or groove-shaped recesses 45, 46 which receive the rollers 40, 41, when the locking member 23 releases the cylinder core 4 and the cylinder core 4 rotated with the key 12 becomes.
  • the release position of the bracket 39 is shown in Fig. 4 shown by the lower position of the left dashed Roll 41 indicated.
  • the locking member 23 or the bracket 39 is by springs 47, 48 loaded into the locked position in which the Rollers 40, 41 in the groove-shaped recesses 42, 43 engage on the circumference of the cylinder core 4.
  • the mechanical tumblers consist of three Rows 49, 50, 51. Rows 49 and 51 are on both sides of the key channel 10, the row 50 lies in the key channel level on the cylinder bag 4 opposite side of the cylinder core 4.
  • Each tumbler row 49, 50, 51 has tumbler pins 52, which in bores 53 of the cylinder core 4th einre. With the tumbler 52 act pen or platelet-shaped tumbler elements 54 together, which lie in holes 55, in a bar 56, which is in an inner recess in the cylinder housing 1 is arranged.
  • the tumbler pins 54 are on the Cylinder core 4 loaded with springs 57.
  • the tumbler pins 52 of the tumblers 49 and 51 engage in the depressions 30 in the two broad sides of the key 12, the tumbler pins 52 of the tumblers 50 in the recesses on the key narrow side.
  • a contact 58 is shown in FIG.
  • the contact 58 is actuated when the bracket 39 the cylinder core 4th releases.
  • contact 58 is actuated, the motor remains 34 not actuated, even when the key 12 is turned and so that the ferrite antennas 14 and 28 (Fig. 1) from each other be moved away.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Lock And Its Accessories (AREA)

Abstract

The device has at least one key and a lock cylinder with a cylinder core (4) rotatable in the cylinder housing with a key channel, mechanical tumblers (49-51) for blocking or freeing the cylinder, an actuator for sliding a blocking element for blocking or releasing the cylinder core and a power supply unit. The key contains an electronic code generator and the cylinder housing an electronic code evaluation device which controls the actuator. The electronic code generator contains a transponder (26) and the code evaluation device has a transponder reader (16,17). The power unit (24) is mounted in the cylinder housing (1). The blocking element (23) engages in at least one recess (42,43) on the periphery of the core, at a distance from the key channel in the axial region of the core and contg. the mechanical tumblers.

Description

Die Erfindung bezieht sich auf eine Schließvorrichtung nach dem Oberbegriff des Anspruchs 1.The invention relates to a locking device according to the preamble of claim 1.

Aus EP 0 401 647 A1 ist eine Schließvorrichtung bekannt, deren Schließzylinder die übliche Größe und Form aufweist. Damit kann ein bestehendes Schloß lediglich durch Austausch des Schließzylinders zu der bekannten Schließvorrichtung umgerüstet werden.A locking device is known from EP 0 401 647 A1 known, the locking cylinder of the usual size and Has shape. So an existing lock can only by replacing the lock cylinder to the known one Locking device can be converted.

Bei der bekannten Schließvorrichtung ist die Energieversorgungseinheit im Schlüssel vorgesehen. Der Aktuator wird durch einen Elektromagneten gebildet, der eine Falle betätigt, die ein in Freigabeposition federbelastetes, in Axialrichtung verschiebbares Sperrorgan freigibt, das am Ende des Schlüsselkanals angeordnet ist. Die Stromversorgung des Elektromagneten erfolgt über einen Kontakt an der Schlüsselspitze. Die bekannte Schließvorrichtung besitzt den Nachteil, daß das Sperrorgan über den Schlüsselkanal leicht zugänglich ist und das Schloß sich damit leicht gewaltsam öffnen läßt. Abgesehen davon weisen die Schlüssel durch die Batterie eine klobige, unhandliche Form auf. Darüberhinaus ist die bekannte Schließvorrichtung bei einer Vielzahl von Schlüsseln für ein Schloß durch die entsprechende große Anzahl von Batterien kostspielig.In the known locking device, the energy supply unit provided in the key. The Actuator is formed by an electromagnet, who operates a latch that is spring-loaded in the release position, Locking element displaceable in the axial direction releases that arranged at the end of the key channel is. The electromagnet is powered via a contact at the tip of the key. The well-known Locking device has the disadvantage that Locking device easily accessible via the key channel and the lock opens slightly violently leaves. Apart from that, the keys point through the Battery a bulky, bulky shape. Furthermore is the known locking device in a Variety of keys for a lock by the corresponding one large number of batteries expensive.

Aus DE 35 17 858 A1 und EP 0 187 363 B1 sind Schließvorrichtungen bekannt, bei denen der elektronische Codegeber durch einen Transponder im Schlüssel gebildet wird. Die Transponderleseeinrichtung ist im Schloß außerhalb des Schließzylinders an der Tür angebracht. Damit muß bei Einbau dieser bekannten Schließvorrichtung in bestehende Objekte die Türe abgeändert und das gesamte Schloß, also nicht nur der Schließzylinder, ausgewechselt werden.From DE 35 17 858 A1 and EP 0 187 363 B1 Locking devices known in which the electronic Code transmitter using a transponder in the key is formed. The transponder reading device is in the Lock attached to the door outside the lock cylinder. This must be known when installing this Locking device modified the door in existing objects and the entire castle, not just that Lock cylinder to be replaced.

Aus WO-A-93 19267 ist eine Schließvorrichtung gemäß dem Oberbegriff des Anspruchs 1 bekannt. Dabei weist der Zylinderkem an seinem Umfang eine rillenförmige Ausnehmung auf, in die ein rollenförmiges Sperrorgan eingreift. Das Sperrorgan weist ringförmige Nuten auf und wirkt mit einem axial verschiebbaren Schieber zusammen, der mit Vorsprüngen versehen ist, die in Schließstellung am Umfang des Sperrorgans außerhalb der Nuten und in Offenstellung an den Nuten angeordnet sind. Zur Betätigung des Schiebers ist ein Elektromotorvorgesehen, dessen Motorwelle mit einem Schraubgewinde versehen ist, das in eine Mutter am Schieber eingreift. Der Schlüssel kann mit einem batteriebetriebenen Sender als elektronischem Codegeber versehen sein, der mit einem Codeauswerter im Zylindergehäuse zur Steuerung des Motors zusammenwirkt. Um den Schieber zu verschieben, muss ein groß dimensionierter Elektromotor vorgesehen sein, wodurch die Außenabmessungen der Schließvorrichtung von einem herkömmlichen Zylinderschloß wesentlich abweichen. Ein Austausch eines bestehenden Zylinderschlosses durch dieses bekannte Zylinderschloß ist daher nicht möglich.From WO-A-93 19267 is a locking device known according to the preamble of claim 1. there the cylinder core has a groove-shaped on its circumference Recess in which a roll-shaped Locking device engages. The locking member has an annular shape Grooves on and acts with an axially displaceable Slide together, which is provided with projections, the outside in the closed position on the circumference of the blocking member of the grooves and in the open position on the grooves are arranged. To operate the slide is a Electric motor provided, the motor shaft with a Screw thread is provided, which in a nut on Engages slide. The key can be used with a battery Transmitter as an electronic code transmitter be provided with a code evaluator in the cylinder housing cooperates to control the engine. To move the slider, a large one must be used Electric motor can be provided, whereby the External dimensions of the locking device by one conventional cylinder lock differ significantly. An exchange of an existing cylinder lock by this well-known cylinder lock is therefore not possible.

Aufgabe der Erfindung ist es, eine bestehende Schließvorrichtung in einer Tür ohne Änderungen der Tür und ohne die mechanische Codierung zu verschlechtern, gegen eine Schließvorrichtung mit einer zusätzlichen elektronischen Codierung auszutauschen, die sich gewaltsam nur schwer öffnen lässt.The object of the invention is an existing locking device in a door without changes to the door and without the mechanical Coding deteriorate against a locking device exchange with additional electronic coding, which is difficult to open by force.

Diese Aufgabe wird erfindungsgemäß durch die Merkmale im Kennzeichen des Anspruchs 1 gelöst. In den Unteransprüchen sind vorteilhafte Ausgestaltungen der Erfindung wiedergegeben.This object is achieved by the Features solved in the characterizing part of claim 1. In the dependent claims are advantageous refinements reproduced the invention.

Bei der erfindungsgemäßen Schließvorrichtung wird ein Transponder als elektronischer Codegeber und eine Transponderleseeinrichtung als Codeauswerter eingesetzt. D.h., es sind zwei aufeinander abgestimmte elektrische Hochfrequenz-Schwingkreise (Radiofrequenz) im Schlüssel bzw. Schließzylinder vorgesehen.In the locking device according to the invention becomes a transponder as an electronic code transmitter and a transponder reading device as a code evaluator used. This means that there are two coordinated ones electrical high-frequency resonant circuits (radio frequency) provided in the key or lock cylinder.

Bei Annäherung des Schlüssels an den Schwingkreis des Schließzylinders kommt es im Schwingkreis des Schlüssels zu einer Anregung und damit Energiezufuhr, die die Datenübertragung vom Schlüssel zu der Transponderleseeinrichtung ermöglicht.When the key approaches the resonant circuit of the lock cylinder occurs in the resonant circuit the key to an excitation and thus energy supply, the data transfer from the key to the Transponder reading device enables.

Die Datenübertragung erfolgt also berührungslos, wodurch die Probleme mit Übertragungskontakten, wie Verschmutzung, Abnutzung und Verformung vermieden werden.The data transfer is therefore contactless, which eliminates the problems with transmission contacts, such as Contamination, wear and deformation avoided become.

Da der Codegeber oder Datenträger passiv ist, kann ein Flachschlüssel mit einer Reide üblicher Größe verwendet werden. Auch kommt man bei der erfindungsgemäßen Schließvorrichtung mit nur einer Energieversorgungseinheit im Zylindergehäuse aus, unabhängig von der Anzahl der für die Schließvorrichtung berechtigten Schlüssel.Since the code transmitter or data carrier is passive, can be a flat key with a common size reed be used. One also comes with the invention Locking device with only one power supply unit in the cylinder housing, independently on the number of authorized for the locking device Key.

Die Transponderleseeinrichtung, der Aktuator und die Energieversorgungseinheit sind erfindungsgemäß im Zylindergehäuse angeordnet. Zur Montage der erfindungsgemäßen Schließvorrichtung braucht daher nur der Schließzylinder in bestehenden Objekten ohne Abänderung der Türe und ohne Auswechseln von Schloß und Beschlag ausgetauscht zu werden.The transponder reading device, the actuator and the power supply unit are according to the invention arranged in the cylinder housing. To assemble the invention Closing device therefore only needs the locking cylinder in existing objects without modification the door and without changing the lock and fitting to be replaced.

Das vom Aktuator betätigte Sperrorgan greift erfindungsgemäß an der Umfangsfläche des Zylinderkerns an, bei einem Schlüsselkanal, der zur Umfangsfläche des Zylinderkerns hin seitlich offen ausgebildet ist, also mit Abstand von dessen seitlicher Öffnung. Das Sperrorgan ist dadurch über den Schlüsselkanal nicht zugänglich und damit das Schloß mit Gewalt über den Schlüsselkanal nicht, jedenfalls nur schwer zu Öffnen.The locking member actuated by the actuator engages according to the invention on the peripheral surface of the cylinder core on, with a key channel leading to the peripheral surface of the cylinder core is laterally open, so at a distance from its side opening. The blocking organ is therefore not accessible via the key channel and thus the castle with force over the Not the key channel, at least difficult to open.

Das Sperrorgan greift in eine Ausnehmung in der Umfangsfläche des Zylinderkerns ein. Es ist in seine Sperrstellung vorzugsweise federbelastet. Die Kraft zum Einrücken des Sperrorgans in die Sperrstellung, also in die Ausnehmung, wird damit durch die Feder aufgebracht. Das Ausrücken des Sperrorgans aus der Ausnehmung in der Umfangsfläche des Zylinderkerns, also die Freigabe des Zylinderkerns, erfolgt durch die manuelle Kraft beim Drehen des in den Zylinderkern gesteckten Schlüssels.The locking member engages in a recess in the Circumferential surface of the cylinder core. It is in his Locked position preferably spring-loaded. The power to engage the locking member in the locked position, that is in the recess, is thus applied by the spring. The disengagement of the locking member from the recess in the peripheral surface of the cylinder core, so the release of the cylinder core is done manually Force when turning the plugged in the cylinder core Key.

Um das Ausrücken zu erleichtern, ist am Sperrorgan vorzugsweise ein Wälzkörper drehbar gelagert, der in die Ausnehmung eingreift. Der Wälzkörper kann beispielsweise eine Kugel sein, vorzugsweise wird er jedoch durch eine Rolle gebildet, die in eine entsprechende Längsrille am Umfang des Zylinderkerns eingreift.To facilitate disengagement, is on the locking device preferably a roller body rotatably mounted engages in the recess. The rolling element can, for example be a ball, but preferably it will formed by a role in a corresponding Longitudinal groove engages on the circumference of the cylinder core.

In der Sperrstellung des Sperrorgans setzt die Rolle damit einer gewaltsamen Drehung des Zylinderkerns eine hohe Scherkraft entgegen. Ferner rollt sie über die Bohrungen im Zylinderkern hinweg, in denen die Zuhaltungsstifte angeordnet sind, falls der Schlüssel, wie nachstehend näher erläutert, neben der elektronischen Kodierung eine mechanische Kodierung aufweist, d. h. im Schließzylinder Zuhaltungen vorgesehen sind, die den mit Vertiefungen versehenen Schlüssel abtasten.The role is set in the blocking position of the blocking element a violent rotation of the cylinder core high shear force. It also rolls over the Bores in the cylinder core in which the tumbler pins are arranged in case the key like explained in more detail below, in addition to the electronic Coding has a mechanical coding, d. H. tumblers are provided in the locking cylinder feel the recessed key.

Der Aktuator kann beispielsweise ein Relais sein. Vorzugsweise wird er jedoch durch einen Elektromotor gebildet, auf dessen Motorwelle ein Exzenter mit zwei diametral gegenüberliegenden Nocken sitzt, der das im Zylindergehäuse radial verschiebbar gelagerte Sperrorgan in die Sperr- bzw. Freigabestellung verschiebt.The actuator can be a relay, for example. However, it is preferably by an electric motor formed on the motor shaft an eccentric with two diametrically opposite cam sits, which in the Cylinder housing radially displaceable locking member moves to the locked or unlocked position.

In der Sperrstellung des Sperrorgans stützen sich die beiden Nocken an dem Sperrorgan bzw. dem Zylindergehäuse ab. Zur Freigabe des Zylinderkerns wird der Exzenter durch den Motor um ca. 90° aus der Sperrstellung herausgedreht. Der Aktuator besitzt also zwei stabile Lagen.In the locked position of the locking member, support each other the two cams on the locking member or the cylinder housing from. To release the cylinder core is the eccentric through the motor by approx. 90 ° from the locked position unscrewed. So the actuator has two stable locations.

Der Motor ist frei drehend ausgebildet. D. h., er braucht keine Kraft aufzubringen, um das Sperrorgan zu verschieben. Denn, wie vorstehend erwähnt, erfolgt die Verschiebung des Sperrorgans in die Sperrstellung durch dessen Federbelastung in die Sperrstellung, während die Kraft zur Verschiebung des Sperrorgans in die Freigabestellung beim Drehen des Zylinderkerns manuell aufgebracht wird.The motor is designed to rotate freely. That is, he does not need to apply force to the locking member to postpone. Because, as mentioned above, takes place the displacement of the locking member into the locked position by its spring load in the locked position, while the force to move the blocking member into the Release position when turning the cylinder core manually is applied.

Der Motor kann daher sehr klein ausgebildet und damit im Zylindergehäuse platzsparend untergebracht werden. Auch ist sein Energieverbrauch sehr gering.The motor can therefore be made very small and thus accommodated in a space-saving manner in the cylinder housing become. Its energy consumption is also very low.

Falls der Zylinderkern einen Schlüsselkanal aufweist, der zur Umfangsfläche des Zylinderkerns hin offen ist, ist das Sperrorgan vorzugsweise als Bügel ausgebildet, welcher mit seinen beiden Enden jeweils in eine Ausnehmung eingreift, die auf der einen bzw. anderen Seite des Schlüsselkanals in der Umfangsfläche des Zylinderkerns vorgesehen ist, wobei am Rücken des Bügels der Aktuator angreift.If the cylinder core has a key channel, the open to the peripheral surface of the cylinder core the locking member is preferably designed as a bracket, which with its two ends each in one Recess engages on one or the other Side of the key channel in the peripheral surface of the cylinder core is provided, being on the back of the bracket attacks the actuator.

Die meisten Zylinderschlösser besitzen ein Zylindergehäuse mit einem Zylindersack, in dem die federbelasteten Zuhaltungsstifte der Zuhaltungen angeordnet sind, die die mit den Vertiefungen versehene Kante des Flachschlüssels abtasten.Most cylinder locks have a cylinder housing with a cylinder bag in which the spring-loaded Tumbler pins of the tumblers arranged are the edge provided with the depressions of the flat key.

Da der erfindungsgemäße Schließzylinder vor allem zum Austausch dieser Zylinderschlösser bestimmt ist, weist er vorzugsweise die gleiche Form, also ebenfalls einen solchen Zylindersack auf. Im Zylindersack des Zylindergehäuses sind erfindungsgemäß vorzugsweise der Aktuator, die Transponderleseinheit und die Energieversorgungseinheit angeordnet.Since the lock cylinder according to the invention above all intended to replace these cylinder locks , it preferably has the same shape, ie also such a cylinder bag. In the cylinder bag of the cylinder housing are preferred according to the invention the actuator, the transponder reading unit and the Power supply unit arranged.

Die Zylinderschlösser der Türen bestehender Objekte sind im allgemeinen als Doppelzylinderschlösser mit zwei Zylinderkernen ausgebildet. Zwischen den beiden Zylinderkemen ist ein Schließbart angeordnet, der zumindest mit demjenigen Zylinderkern drehfest verbunden ist, der mit dem Schlüssel gerade gedreht wird. Das Zylindergehäuse weist zwischen seinen beiden Hälften eine Ausnehmung für den Schließbart auf. Die beiden Zylinderkerne können drehfest miteinander verbunden oder, wenn eine entsprechende Kupplung vorgesehen ist, auch gegenüber einander drehbar sein. In letzterem Fall wird vorzugsweise nur einer der beiden Zylinderkerne von dem Sperrorgan gesperrt bzw. freigegeben, und zwar vorzugsweise der Zylinderkern an der Außenseite der Tür. Der Zylinderkern an der Türinnenseite kann dann mit einem nur mechanisch kodierten Schlüssel aufsperrbar sein.The cylinder locks of the doors of existing objects are generally as double cylinder locks trained with two cylinder cores. Between the two A cylinder head is arranged, which at least rotatably connected to that cylinder core that is being turned with the key. The cylinder housing faces between its two Halves a recess for the lock bit. The two cylinder cores can be connected to one another in a rotationally fixed manner or if a corresponding coupling is provided is rotatable with respect to each other. In the latter case is preferably only one of the two Cylinder cores blocked or released by the blocking member, and preferably on the cylinder core the outside of the door. The cylinder core on the inside of the door can then only be coded mechanically Key can be unlocked.

Es sind Doppelzylinderschlösser bekannt, deren beide Zylindergehäusehälften mit einem Verbindungsstück verbindbar sind, das in eine Ausnehmung in dem Zylindersack der einen bzw. anderen Zylindergehäusehälfte steckbar ist. Die Montage dieser Doppelzylinderschlösser ist besonders einfach. Bei Ausbildung als Doppelzylinderschloß sind daher vorzugsweise die beiden Hälften des Zylindergehäuses ebenfalls mit einem Verbindungsstück verbindbar, das in eine Ausnehmung im Zylindersack der einen bzw. anderen Hälfte des Zylindergehäuses eingreift.There are double cylinder locks known both cylinder housing halves with a connecting piece are connectable in a recess in the Cylinder sack of one or the other half of the cylinder housing is pluggable. The assembly of these double cylinder locks is particularly easy. When training as Double cylinder lock are therefore preferably the two Halves of the cylinder housing also with one Connector connectable into a recess in the cylinder sack of one or the other half of the cylinder housing intervenes.

Nach der Erfindung kann der Schlüssel ausschließlich elektronisch kodiert sein. Vorzugsweise stellt die elektronische Kodierung jedoch einen zusätzlichen Code zum mechanischen Code des Flachschlüssel dar. D. h., der Schließzylinder weist erfindungsgemäß vorzugsweise zusätzlich mechanische Zuhaltungen auf, die den Schlüssel abtasten, so daß bei richtiger Einordnung der Zuhaltungen in die Vertiefungen des Schlüssel der Zylinderkern freigegeben wird.According to the invention, the key be electronically encoded only. Preferably however, electronic coding provides an additional one Code for the mechanical code of the flat key That is, the lock cylinder has according to the invention preferably additional mechanical tumblers on who scan the key, so that when it is correct Classification of the tumblers in the wells of the Key of the cylinder core is released.

Die elektronische Kodierung des Schlüssels dient dann vor allem als Personal- und zusätzlicher Sicherheitscode, den die Transponderleseeinrichtung erkennt, so daß bei Übereinstimmung des elektronischen Codes mit dem in der Transponderleseeinrichtung das Sperrorgan den Zylinderkern freigibt bzw. andernfalls gesperrt hält.The electronic coding of the key serves then primarily as a personnel and additional security code, which the transponder reading device recognizes so that if the electronic Codes with that in the transponder reader Locking device releases the cylinder core or otherwise keeps locked.

Durch die elektronische Kodierung wird also die Schloßsicherheit wesentlich erhöht. So kann z. B. bei Verlust oder Diebstahl des persönlich kodierten Schlüssels der Code im Speicher der Transponderleseeinrichtung leicht entsprechend geändert werden. Auch kann mit der elektronischen Kodierung die Schloßbetätigung z. B. nur zu bestimmten vorgegebenen Zeiten oder nur für einen bestimmten Zeitraum oder bestimmte Zeiträume freigegeben bzw. blockiert werden.The electronic coding means that Lock security significantly increased. So z. B. at Loss or theft of the personally encoded key the code in the memory of the transponder reading device can be easily changed accordingly. Can too with the electronic coding the lock actuation z. B. only at certain predetermined times or only for a specific period or periods be released or blocked.

Die mechanischen Zuhaltungen können, wie üblich, aus einer Reihe von in Bohrungen des Zylinderkerns einliegenden Zuhaltungsstiften und damit zusammenwirkenden federbelasteten Zuhaltungselementen im Zylindergehäuse bestehen. Vorzugsweise sind bei Ausbildung des Schlüssels als Wendeflachschlüssel, der auf beiden Schlüsselschmalseiten und auf beiden Schlüsselbreitseiten Reihen von Vertiefungen zur Einordnung der Zuhaltungsstifte aufweist, drei Reihen von Zuhaltungen vorgesehen, wobei die in den Bohrungen des Zylinderkerns einliegenden Zuhaltungsstifte, die in die Vertiefungen der Schlüsselbreitseiten eingreifen, auf der einen bzw. anderen Seite des Schlüsselkanals angeordnet sind, und die in den Bohrungen des Zylinderkerns einliegenden Zuhaltungsstifte, die in die Vertiefungen an einer der beiden Schlüsselschmalseiten eingreifen, in der Schlüsselkanalebene angeordnet sind.The mechanical tumblers can, as usual, from a series of holes in the cylinder core inserted tumbler pins and interact with them spring-loaded tumbler elements in the Cylinder housing exist. Preferably are in training of the key as a reversible flat key, the on both sides of the key and on both Key broadsides Rows of recesses for classification the tumbler pins has three rows of Tumblers are provided, being in the holes of the cylinder core inserted tumbler pins, which in engage the key broadside recesses, on one or the other side of the key channel are arranged, and in the bores of the cylinder core inserted tumbler pins into the recesses on one of the two narrow sides of the key intervene, arranged in the key channel level are.

Die Transponderleseeinrichtung kann mit zwei Ferritantennen versehen sein, und zwar mit einer an der Außenseite und der anderen an der Innenseite der Tür.The transponder reading device can use two ferrite antennas be provided with one on the Outside and the other on the inside of the door.

Der Schlüssel weist ebenfalls vorzugsweise eine Ferritantenne auf. Wenn er als Wendeschlüssel ausgebildet ist, sind zwei Ferritantennen vorgesehen, und zwar eine an der einen und die andere an der anderen Hälfte der Schlüsselreide. In der Schlüsselreide können Bohrungen vorgesehen sein, um die stabförmigen Ferritantennen aufzunehmen.The key also preferably has one Ferrite antenna. If he trained as a reversible key , two ferrite antennas are provided, and one on one and the other on the other Half of the key bow. In the key box you can Holes may be provided around the rod-shaped ferrite antennas take.

Die Anordnung der Ferritantennen im Schließzylinder und an dem Schlüssel ist so getroffen, daß bei in dem Schließzylinder gesteckten Schlüssel nur ein schmaler Luftspalt zwischen der Ferritantenne des Schließzylinders und der Ferritantenne des Schlüssels entsteht, wodurch bei der Übertragung nur geringe Energieverluste auftreten.The arrangement of the ferrite antennas in the locking cylinder and the key is hit so that in the key inserted in the lock cylinder only narrow air gap between the ferrite antenna of the Lock cylinder and the ferrite antenna of the key arises, resulting in only slight energy losses during transmission occur.

Die Transponderleseeinrichtung umfaßt einen Mikroprozessor und einen nicht flüchtigen Speicher. Ferner ist im allgemeinen eine Uhrfürdie Datums- und Zeitfunktion mit einem Quarzschwinger als Zeitbasis vorgesehen. Der Aktuator wird vom Mikroprozessor direkt angesteuert.The transponder reading device comprises a microprocessor and a non-volatile memory. Further is generally a clock for the date and time function provided with a quartz oscillator as a time base. The actuator is controlled directly by the microprocessor.

Um einen hohen Fälschungs- und Kopierschutz sicherzustellen, kann der Datenverkehr zwischen dem Schlüssel und dem Schließzylinder verschlüsselt sein.To ensure a high level of protection against counterfeiting and copying, can traffic between the Key and the lock cylinder must be encrypted.

Die Transponderleseeinrichtung ist ständig in Funktionsbereitschaft. Aus energiespartechnischen Gründen wird der Prozessor jedoch vorzugsweise in einen "Stand-by"- oder "Sleep"-Modus versetzt, bei dem ausschließlich die Datums- und Zeitfunktion aktiviert ist. Der Prozessor wird energieversorgt oder aktiviert, wenn der Schlüssel in den Schließzylindergesteckt wird. Der Prozessor wird durch eine Aufweckschaltung in diesen aktivierten Betriebsmodus oder Lesemodus geschaltet.The transponder reading device is always ready for operation. For reasons of energy saving However, the processor is preferably in one "Stand-by" or "sleep" mode, in which only the date and time function is activated. The Processor is powered or activated when the Key is inserted into the lock cylinder. The processor is activated by a wake-up circuit in these Operating mode or read mode switched.

Im aktivierten Betriebsmodus werden nach Einlesen der Daten in den Speicher und einer etwaigen Sicherheitsdekodierung des Schlüssels die Benutzerdaten des Schlüssels vom Speicher ausgelesen. Die eingelesenen Schlüsseldaten werden mit den gespeicherten Daten im Zylinderschloß überprüft (z. B. Kundennummer, Schließanlagennummer, Gruppennummer, Schlüsselnummer). Passen die eingelesenen Daten des Schlüssels nicht zu den gespeicherten Daten, bleibt das Sperrorgan gesperrt, wahrend bei Übereinstimmung das Sperrorgan vom Aktuator entriegelt wird.In the activated operating mode, after reading of the data in the memory and any security decoding of the key the user data read the key from the memory. The read ones Key data are saved with the Data checked in the cylinder lock (e.g. customer number, Locking system number, group number, Key number). Fit the read data of the key to the stored data remains the blocking organ blocked, if there is a match the locking element is unlocked by the actuator.

Der entriegelte Zustand des Sperrorgans bleibt eine bestimmte vorgegebene Zeitspanne, z. B. 5 s aufrechterhalten. Wird der Schlüssel in dieser Zeit nicht verdreht, wird der Aktuator zur Verriegelung des Sperrorgans betätigt. D. h., der Schlüssel muß dann ein zweites Mal in den Schließzylinder gesteckt werden, wenn er nach der vorgegebenen Zeitspanne nicht verdreht wird.The unlocked state of the locking member remains one certain predetermined period of time, e.g. B. maintain 5 s. Will not be the key at this time twisted, the actuator for locking the locking member actuated. In other words, the key must then be a second one Times in the lock cylinder when it does not twist after the specified period of time becomes.

Das Aufwecken der Transponderleseeinrichtung kann auf verschiedene Weise erfolgen. So kann die Aufweckschaltung einen Sensor aufweisen, beispielsweise ein Piezoelement, das das Einstecken des Schlüssels in den Schließzylinder erfaßt. Das Piezoelement kann dabei beispielsweise durch die Zuhaltungen mit Druck beaufschlagt werden.Waking up the transponder reading device can be done in different ways. So can the wake-up circuit have a sensor, for example a piezo element that inserts the key captured in the lock cylinder. The piezo element can thereby, for example, through the tumblers with pressure be charged.

Auch kann ein induktiver Näherungssensor vorgesehen sein. So kann bei Annähern des Schlüssels selbst der Resonanzkreis der Transponderleseeinrichtung verstimmt werden. Die Transponderleseinrichtung kann dabei über die Ferritantenne in bestimmten Zeitabständen, z. B. von 1 s, Impulse aussenden, welche bei Annäherung des Schlüssels gedämpft werden und damit die Aufweckschaltung betätigen.An inductive proximity sensor can also be provided his. So when the key is approaching even the resonance circuit of the transponder reading device be out of tune. The transponder reading device can at certain intervals via the ferrite antenna, z. B. of 1 s, send out pulses be damped when the key approaches and to operate the wake-up circuit.

Ferner ist es möglich, den Schlüssel mit einem Permanentmagneten zu versehen, dessen Magnetfeld bei Annäherung des Schlüssels an die Transponderleseeinrichtung in deren Spule einen Spannungsimpuls induziert, durch den die Aufweckschaltung betätigt wird.It is also possible to use a permanent magnet to hold the key to provide whose magnetic field at Approach of the key to the transponder reading device induces a voltage pulse in their coil, through which the wake-up circuit is operated.

Die Energieversorgungsrichtung kann eine auswechselbare Batterie oder ein aufladbarer Akku sein. Der Akku kann durch Solarzellen aufgeladen werden. Das Aufladen der Energieversorgungseinrichtung kann jedoch auch mittels eines über die Ferritantenne der Transponderleseeinrichtung einkoppelbaren Hochfrequenzfeldes erfolgen. Dadurch kann von Kontaktstükken zum Aufladen der Energieversorgungseinrichtung abgesehen werden.The energy supply direction can be exchangeable Battery or a rechargeable battery. The battery can be charged by solar cells. Charging the energy supply device can however also by means of a via the ferrite antenna Transponder reading device that can be coupled with a high-frequency field respectively. This can result in contact pieces for charging the energy supply device be disregarded.

Zum Aufladen der Energieversorgungsrichtung mittels eines Hochfrequenzfeldes kann ein "Power"-Schlüssel mit einer Ferritantenne vorgesehen sein, so daß die Energie über den schmalen Luftspalt zwischen der Ferritantenne des "Power"-Schlüssels und der Ferritantenne der Transponderleseeinrichtung übertragen wird. Der "Power"-Schlüssel besitzt keine Schloßfunktion. Er kann als Notöffnungsschlüssel ausgebildet sein. D. h., die mit ihm auf die Energieversorgungsrichtung übertragbare Energie kann so bemessen sein, daß sie lediglich zu einem einmaligen Betätigen des Aktuators, also zu einem einmaligen Aufsperren der Tür ausreicht.For charging the energy supply direction using a high-frequency field can be a "power" key be provided with a ferrite antenna, so that the energy across the narrow air gap between the ferrite antenna of the "power" key and the ferrite antenna transmitted to the transponder reading device becomes. The "Power" key has no lock function. It can be designed as an emergency opening key. That is, that with him on the energy supply direction transferable energy can be such that it only for a single actuation of the actuator, that is enough to unlock the door once.

Das Einspeichem der Daten in den Speicher der Transponderleseeinrichtung und das Entfernen der Daten aus dem Speicher erfolgt vorzugsweise mittels eines über die Ferritantenne der Transponderleseeinrichtung einkoppelbaren Feldes.Saving the data in the memory of the Transponder reading device and the removal of the data is preferably carried out from the memory by means of a via the ferrite antenna of the transponder reading device field to be coupled.

Das Einspeichern der Daten der berechtigten Schlüssel kann mit einem Programmierschlüssel erfolgen. Ferner kann ein Löschschlüssel zum Entfernen der eingespeicherten Daten vorgesehen sein.The storage of the data of the authorized The key can be done with a programming key. A delete key can also be used to remove the stored data may be provided.

Vorzugsweise ist ein Programmiergerät, das mit einem PC bedient wird, vorgesehen, mit dem die Daten auf den Programmier- bzw. Löschschlüssel übertragen werden. D. h., der Programmier- bzw. Löschschlüssel dient als Kommunikationsschlüssel zwischen dem Programmiergerät und der Transponderleseeinrichtung.Preferably, a programming device that with a PC is operated, provided with which the data transferred to the programming or deletion key become. That is, the programming or deletion key serves as a communication key between the programming device and the transponder reading device.

Das Programmiergerät dient zugleich zum Programmieren des im Schlüssel enthaltenen Schaltkreises (IC).The programming device is also used for programming of the circuit contained in the key (IC).

Wenn der Schlüssel abgezogen wird, sich also die Ferritantenne des Schlüssels von der Ferritantenne des Schließzylinders wegbewegt, verschiebt das Sperrorgan den Aktuator in die Sperrstellung. Beim Drehen des in den Schließzylinder gesteckten Schlüssels bewegt sich die Ferritantenne des Schlüssels ebenfalls von der Ferritantenne des Schließzylinders weg. D. h., würde man keine zusätzlichen Maßnahmen treffen, würde der Aktuator beim Drehen des Schließzylinders betätigt, und zwar würde er versuchen, das Sperrorgan in die Sperrstellung zu schieben.If the key is removed, that is Key antenna from the ferrite antenna Moving the locking cylinder away, the locking member moves the actuator into the locked position. When turning the key inserted in the lock cylinder the key's ferrite antenna also differs from the Lock cylinder ferrite antenna away. That is, would if no additional measures were taken, the Actuator actuated when turning the locking cylinder, namely he would try to put the blocking organ in the To push the locking position.

Um dies zu verhindern, also den Aktuator beim Drehen des Schlüssels unbetätigt zu lassen, kann ein Schlüsselstecksensor, beispielsweise ein Piezoelement, oder ein Schalter zur Erfassung einer Drehposition des Zylinderkerns vorgesehen sein. Da beim Drehen des Zylinderkerns sich das Sperrorgan in der Freigabeposition befindet, ist der Schalter vorzugsweise so ausgelegt, daß er von dem Sperrorgan betätigt wird, wenn sich dieses in der Freigabeposition befindet.To prevent this, i.e. the actuator when turning leaving the key inactive can be a Key plug sensor, for example a piezo element, or a switch for detecting a rotational position of the cylinder core may be provided. Because when turning the locking element in the release position is, the switch is preferably so designed to be operated by the locking device, if this is in the release position.

Um einen niedrigen Ladezustand oder "END-OFF-LIFE"-Zustand der Energieversorgungseinheit anzuzeigen, kann ein spezieller Algorithmus zur Entsperrung des Zylinderschlosses vorgesehen sein. Dieser Algorithmus kann beispielsweise eine Zeitverzögerung zwischen dem Einstecken des Schlüssels in den Schließzylinder und der Freigabe des Zylinderkerns sein oder ein mehrmals notwendiges Einstecken des Schlüssels, um das Schloß zu öffnen.To a low state of charge or "END-OFF-LIFE" state the power supply unit, can use a special unlocking algorithm the cylinder lock can be provided. This algorithm can, for example, a time delay between inserting the key into the Lock cylinder and the release of the cylinder core his or a multiple insertion of the Key to open the lock.

Mit der erfindungsgemäßen Schließvorrichtung kann auch eine Doppel- oder Mehrfachversperrung durchgeführt werden. D. h., eine Öffnung erfolgt erst nach Einstecken von zwei oder mehreren berechtigten Schlüsseln, gegebenenfalls in einer bestimmten Reihenfolge.With the locking device according to the invention can also be double or multiple locking be performed. In other words, an opening only takes place after inserting two or more authorized Keys, possibly in a specific order.

Versuche mit nicht berechtigten Schlüsseln zu öffnen, können dadurch erschwert werden, daß die Zeit für eine Berechtigungsprüfung mit zunehmender Zahl von Fehlversuchen ansteigt.Trying to open with unauthorized keys can be complicated by the fact that the time for an authorization check with an increasing number of Failure attempts increase.

Die Stromversorgungseinrichtung ist in einem Fach im Zylindergehäuse angeordnet. Dieses Fach kann vorzugsweise nur geöffnet werden, wenn ein berechtigter Schlüssel in das Schloß gesteckt wird. Die Absicherung des Fachs kann durch den Aktuator erfolgen.The power supply device is in a compartment arranged in the cylinder housing. This subject can preferably can only be opened if an authorized Key is inserted into the lock. The insurance the subject can be done by the actuator.

Nachstehend ist eine Ausführungsform der erfindungsgemäßen Schließvorrichtung anhand der Zeichnung näher erläutert. Darin zeigen:

Fig. 1
schematisch einen Längsschnitt durch einen Schließzylinder eines Doppelzylinderschlosses mit eingestecktem Schlüssel;
Fig. 2
in perspektivischer Wiedergabe, vergrößert und schematisch ein Einschubmodul mit der Transponderleseeinrichtung und dem Aktuator für den Zylindersack des Zylindergehäuses;
Fig. 3
einen Längsschnitt durch eine Hälfte des Doppelzylinderschlosses nach Fig. 1 in vergrößerter Wiedergabe, wobei die Elektronik weggelassen ist; und
Fig. 4
einen Schnitt entlang der Linie IV-IV in Fig. 3.
An embodiment of the locking device according to the invention is explained in more detail with reference to the drawing. In it show:
Fig. 1
schematically shows a longitudinal section through a lock cylinder of a double cylinder lock with a key inserted;
Fig. 2
in perspective reproduction, enlarged and schematically, a plug-in module with the transponder reading device and the actuator for the cylinder bag of the cylinder housing;
Fig. 3
a longitudinal section through half of the double cylinder lock of Figure 1 in an enlarged representation, with the electronics omitted. and
Fig. 4
a section along the line IV-IV in Fig. 3rd

Gemäß Fig. 1 weist ein Doppelzylinderschloß ein Zylindergehäuse 1 auf, in dessen beiden Hälften 2, 3 jeweils ein Zylinderkem 4, 5 drehbar gelagert ist.1 has a double cylinder lock Cylinder housing 1, in its two halves 2, 3rd each a cylinder core 4, 5 is rotatably mounted.

Jede Zylindergehäusehälfte 2, 3 ist mit einem massiven Zylindersack 6, 7 versehen. Zwischen den beiden Zylindergehäusehälften 2, 3 weist das Zylindergehäuse eine Ausnehmung 8 für den Schließbart 9 auf, der zwischen den beiden Zylinderkernen 4, 5 angeordnet ist.Each cylinder housing half 2, 3 is with a solid Cylinder bag 6, 7 provided. Between the two Cylinder housing halves 2, 3 have the cylinder housing a recess 8 for the lock bit 9, which between the two cylinder cores 4, 5 is arranged.

Der Schließbart 9 ist mit demjenigen Zylinderkern 2 bzw. 3 mittels einer nicht dargestellten Kupplung drehfest verbunden, der mit dem Schlüssel 12 verdreht wird, der in den Schlüsselkanal 10, 11 des Zylinderkerns 4, 5 gesteckt ist.The lock bit 9 is with that cylinder core 2 or 3 rotatably by means of a clutch, not shown connected, which is turned with the key 12, the key channel 10, 11 of the cylinder core 4, 5 is stuck.

Eine Bohrung 13 im Zylindergehäuse 1 dient zur Befestigung des Doppelzylinderschlosses mit einer nicht dargestellten Schraube im Türschloß.A bore 13 in the cylinder housing 1 is used for Attachment of the double cylinder lock with a screw not shown in the door lock.

In dem einen Zylindersack 6 ist, wie durch das Blockschaltbild in Fig. 1 verdeutlicht, eine Ferritantenne 14 angeordnet, die sich durch eine entsprechende Bohrung 15 in der Stirnwand des Zylindergehäuses 1 erstreckt. Eine zweite nicht dargestellte Ferritantenne kann sich in dem anderen Zylindersack 7 zu dessen Stirnseite erstrecken.In one cylinder bag 6 is, as by that Block diagram in Fig. 1 illustrates a ferrite antenna 14 arranged through a corresponding hole 15 extends in the end wall of the cylinder housing 1. A second ferrite antenna, not shown can in the other cylinder bag 7 to the Extend the front.

Die Antenne 14 ist an eine Transponderleseeinrichtung angeschlossen, die im wesentlichen aus einem Mikroprozessor 16 und einem nicht flüchtigen Speicher 17 besteht. Die Transponderleseeinrichtung weist ferner ein Analogteil 18 auf, sowie eine Echtzeituhr 19 und einen Quarzschwinger 20 als Zeitbasis.The antenna 14 is connected to a transponder reading device connected, which essentially consists of a microprocessor 16 and a non-volatile memory 17 consists. The transponder reading device also has an analog part 18, and a real-time clock 19 and one Quartz oscillator 20 as a time base.

Die Transponderleseeinrichtung, d. h. die Antenne 14, der Mikroprozessor 16, der Speicher 17, das Analogteil 18, die Echtzeituhr 19 und der Quarzschwinger 20 sind zusammen mit einem Aktuator 22 und einem vom Aktuator 22 betätigten Sperrorgan 23 in einem Modul 21 mit einem massiven Gehäuse angeordnet (Fig. 2). Das Modul 21 ist in den Zylindersack 6 geschoben, und zwar von der der Mitte des Zylindergehäuses 1 zugewandten Seite der Zylindergehäusehälfte 2. Von dem Modul 21 steht die Ferritantenne 14 an einer Stirnseite vor.The transponder reading device, d. H. the antenna 14, the microprocessor 16, the memory 17, the analog part 18, the real time clock 19 and the quartz oscillator 20 are together with an actuator 22 and one blocking element 23 actuated by actuator 22 in one module 21 arranged with a solid housing (Fig. 2). The module 21 is pushed into the cylinder bag 6, and that from the center of the cylinder housing 1 facing Side of the cylinder housing half 2. From the Module 21 has the ferrite antenna 14 on one end in front.

Die Energieversorgungseinrichtung 24 ist in einem Fach in dem Zylindersack 5 der anderen Zylindergehäusehälfte 3 angeordnet. Sie kann in das Fach von der der Mitte des Zylindergehäuses 1 zugewandten Seite in den Zylindersack 5 geschoben werden (Fig. 1). Die Stromversorgungseinrichtung 24 ist mit einer Leitung 25 mit dem Modul 21 verbunden (Fig. 2).The energy supply device 24 is in one Compartment in the cylinder bag 5 of the other half of the cylinder housing 3 arranged. You can enter the subject of the Middle of the cylinder housing 1 facing side in the Cylinder bag 5 are pushed (Fig. 1). The power supply device 24 is connected to a line 25 connected to module 21 (Fig. 2).

Der Schlüssel 12 ist an der Schlüsselreide 27 mit einem elektronischen Modul 26 versehen, welches den Datenträger enthält. Der als Transponder ausgebildete Schlüssel 12 weist zur Radiofrequenzdatenübertragung zwei Ferritantennen 28, 29 auf, die in entsprechenden Bohrungen in der oberen bzw. unteren Hälfte der Schlüsselreide 27 gesteckt sind.The key 12 is on the key cord 27 with an electronic module 26 which the Contains disk. The trained as a transponder Key 12 points to radio frequency data transmission two ferrite antennas 28, 29, which in corresponding Holes in the upper and lower half of the Key 27 are inserted.

Der Schlüssel 12 ist an der Breitseite mit Vertiefungen 30 versehen, in die die nachstehend beschriebenen Zuhaltungen eingreifen. Entsprechende Vertiefungen sind auf der in Fig. 1 nicht dargestellten anderen Schlüsselbreitseite sowie an den beiden Schlüsselschmalseiten vorgesehen.The key 12 is on the broad side with depressions 30 provided in those described below Intercept tumblers. Corresponding specializations are on the other key broadside, not shown in Fig. 1 as well as on the two narrow sides of the key intended.

Wie den Fig. 1, 3 und 4 zu entnehmen ist, sind die beiden Hälften 2, 3 des Zylindergehäuses 1 des Doppelzylinderschlosses durch ein Verbindungsstück 31 miteinander verbunden, das mit seinen beiden Enden jeweils in eine entsprechende Ausnehmung im unteren, also vom Zylinderkern 4, 5 entfernten Teil des Zylindersacks 6, 7 der einen bzw. anderen Hälfte 2, 3 gesteckt ist. Durch einen Querstift in den Bohrungen 32, 33 wird das Verbindungsstück 31 mit den Zylindergehäusehälften 2, 3 verbunden.1, 3 and 4, the two halves 2, 3 of the cylinder housing 1 of the double cylinder lock through a connector 31 connected to each other, that with its two ends each in a corresponding recess in the lower one, that is, part of the cylinder bag removed from the cylinder core 4, 5 6, 7 of one or the other half 2, 3 inserted is. Through a cross pin in the bores 32, 33 the connector 31 with the cylinder housing halves 2, 3 connected.

Im oberen, also dem Zylinderkern 4 zugewandten Teil des Zylindersacks 6 ist das Modul 21 mit dem Aktuator 22, dem Sperrorgan 23 und der in Fig. 3 und 4 nicht dargestellten Elektronik gesteckt.In the upper one, ie facing the cylinder core 4 Part of the cylinder bag 6 is the module 21 with the actuator 22, the locking member 23 and in Fig. 3 and 4th Electronics not shown plugged.

Der Aktuator 22 weist einen winzigen Elektromotor 34 auf, dessen Welle 35 sich in Zylinderkernlängsrichtung erstreckt. Auf der Welle 35 ist ein Exzenter 36 drehfest angeordnet, der zwei um 180° versetzte Nocken 37, 38 aufweist.The actuator 22 has a tiny electric motor 34 on, whose shaft 35 extends in the longitudinal direction of the cylinder core extends. An eccentric 36 is rotationally fixed on the shaft 35 arranged, the two cams 37 offset by 180 °, 38 has.

Mit dem Exzenter 36 wird das Sperrorgan 23 verschoben, das den Zylinderkern 4 sperrt oder freigibt.With the eccentric 36, the locking member 23 is moved, that locks or releases the cylinder core 4.

Das Sperrorgan 23 wird durch einen Bügel 39 gebildet, an dessen beiden Enden jeweils eine Rolle 40, 41 drehbar gelagert ist. Die Rollen 40, 41 greifen in in Zylinderkernlängsrichtung verlaufende rillenförmige Ausnehmungen 42, 43 am Zylinderkernumfang ein. Die Ausnehmungen 42, 43 besitzen einen den Rollen 40, 41 entsprechenden Krümmungsradius. Die Länge der Rollen 40, 41 entspricht etwa der Hälfte der Länge des Zylinderkerns 4. Die Ausnehmungen 42, 43 am Zylinderkernumfang sind im Abstand vom Schlüsselkanal 10 angeordnet, der nach unten, also zum Zylindersack 6 hin offen ist.The locking member 23 is formed by a bracket 39 at its two ends a roll 40, 41 is rotatably mounted. The rollers 40, 41 engage in Cylindrical core longitudinal groove-shaped Recesses 42, 43 on the cylinder core circumference. The Recesses 42, 43 have a roller 40, 41 corresponding radius of curvature. The length of the Rolls 40, 41 corresponds to approximately half the length of the Cylinder core 4. The recesses 42, 43 on the circumference of the cylinder core are at a distance from the key channel 10 arranged downwards, i.e. to the cylinder bag 6 is open.

Der Bügel 39 ist in einer entsprechenden Ausnehmung im Modul 21 radial zum Zylinderkern 4 verschiebbar geführt. Die beiden Enden des Bügels 39 mit den Rollen 40, 41 ragen aus der oberen Fläche 44 des Moduls 21, die entsprechend dem Zylinderkern 4 konkav gekrümmt ist (Fig. 2). Die Fläche 44 des Moduls 21 ist ihrerseits mit schlitz- oder rillenförmigen Ausnehmungen 45, 46 versehen, welche die Rollen 40, 41 aufnehmen, wenn das Sperrorgan 23 den Zylinderkern 4 freigibt und der Zylinderkern 4 mit dem Schlüssel 12 gedreht wird. Die Freigabestellung des Bügels 39 ist in Fig. 4 durch die untere Position der linken gestrichelt dargestellten Rolle 41 angedeutet.The bracket 39 is in a corresponding recess in the module 21 radially displaceable to the cylinder core 4 guided. The two ends of the bracket 39 with the Rollers 40, 41 protrude from the top surface 44 of the module 21, which is concave according to the cylinder core 4 is curved (Fig. 2). The surface 44 of the module 21 is in turn with slot or groove-shaped recesses 45, 46 which receive the rollers 40, 41, when the locking member 23 releases the cylinder core 4 and the cylinder core 4 rotated with the key 12 becomes. The release position of the bracket 39 is shown in Fig. 4 shown by the lower position of the left dashed Roll 41 indicated.

Das Sperrorgan 23 bzw. der Bügel 39 ist durch Federn 47, 48 in die Sperrstellung belastet, in welcher die Rollen 40, 41 in die rillenförmigen Ausnehmungen 42, 43 am Umfang des Zylinderkerns 4 eingreifen.The locking member 23 or the bracket 39 is by springs 47, 48 loaded into the locked position in which the Rollers 40, 41 in the groove-shaped recesses 42, 43 engage on the circumference of the cylinder core 4.

In der in Fig. 3 und 4 dargestellten Sperrstellung greifen die beiden Nocken 37, 38 des Exzenters 36 an der von dem Zylinderkern 4 abgewandten Seite des Bügels 39 bzw. an dem in den Zylindersack 6 geschobenen Ende des Verbindungsstücks 31 an. Damit wird der durch die Federn 47, 48 in die Sperrstellung gezogene Bügel 39 blockiert.In the locked position shown in FIGS. 3 and 4 attack the two cams 37, 38 of the eccentric 36 the side of the bracket facing away from the cylinder core 4 39 or on the inserted into the cylinder bag 6 End of the connector 31. With that the pulled into the locked position by the springs 47, 48 Bracket 39 blocked.

Wenn der Exzenter 36 um 90° in die in Fig. 4 gestrichelt dargestellte Stellung gedreht wird, gibt er den Bügel 39 frei. Durch Drehen des Zylinderkerns 4 mit dem Schlüssel 12 werden die Rollen 40, 41 entgegen der Kraft der Federn 47, 48 aus den rillenförmigen Ausnehmungen 42, 43 in die Ausnehmungen 44, 45 im Modul 21 gedrückt, worauf der Zylinderkern 4 fei drehbar ist.If the eccentric 36 is dashed by 90 ° in Fig. 4 position shown is rotated, he gives the Temple 39 free. By turning the cylinder core 4 with the keys 12 are the rollers 40, 41 against the force of the springs 47, 48 from the groove-shaped recesses 42, 43 in the recesses 44, 45 in the module 21 pressed, whereupon the cylinder core 4 rotatable is.

Die mechanischen Zuhaltungen bestehen aus drei Reihen 49, 50, 51. Die Reihen 49 und 51 sind beiderseits des Schlüsselkanals 10 angeordnet, die Reihe 50 liegt in der Schlüsselkanalebene auf der vom Zylindersack 4 abgewandten Seite des Zylinderkerns 4.The mechanical tumblers consist of three Rows 49, 50, 51. Rows 49 and 51 are on both sides of the key channel 10, the row 50 lies in the key channel level on the cylinder bag 4 opposite side of the cylinder core 4.

Jede Zuhaltungsreihe 49, 50, 51 weist Zuhaltungsstifte 52 auf, die in Bohrungen 53 des Zylinderkerns 4 einliegen. Mit den Zuhaltungsstiften 52 wirken stift- oder plättchenförmige Zuhaltungselemente 54 zusammen, die in Bohrungen 55 einliegen, und zwar in einer Leiste 56, die in einer Innenausnehmung im Zylindergehäuse 1 angeordnet ist. Die Zuhaltungsstifte 54 sind auf den Zylinderkern 4 zu mit Federn 57 belastet.Each tumbler row 49, 50, 51 has tumbler pins 52, which in bores 53 of the cylinder core 4th einliegen. With the tumbler 52 act pen or platelet-shaped tumbler elements 54 together, which lie in holes 55, in a bar 56, which is in an inner recess in the cylinder housing 1 is arranged. The tumbler pins 54 are on the Cylinder core 4 loaded with springs 57.

Die Zuhaltungsstifte 52 der Zuhaltungen 49 und 51 greifen in die Vertiefungen 30 in den beiden Breitseiten des Schlüssels 12 ein, die Zuhaltungsstifte 52 der Zuhaltungen 50 in die Vertiefungen an der Schlüsselschmalseite.The tumbler pins 52 of the tumblers 49 and 51 engage in the depressions 30 in the two broad sides of the key 12, the tumbler pins 52 of the tumblers 50 in the recesses on the key narrow side.

In Fig. 4 ist ein Kontakt 58 dargestellt. Der Kontakt 58 wird betätigt, wenn der Bügel 39 den Zylinderkern 4 freigibt. Bei Betätigung des Kontakts 58 bleibt der Motor 34 unbetätigt, auch wenn der Schlüssel 12 gedreht und damit die Ferritantennen 14 und 28 (Fig. 1) voneinander wegbewegt werden.A contact 58 is shown in FIG. The contact 58 is actuated when the bracket 39 the cylinder core 4th releases. When contact 58 is actuated, the motor remains 34 not actuated, even when the key 12 is turned and so that the ferrite antennas 14 and 28 (Fig. 1) from each other be moved away.

Claims (17)

  1. A locking device with at least one key and a locking cylinder having at least one cylinder core with a key channel, said core being mounted rotatably in a cylinder housing, mechanical tumblers for blocking and releasing the cylinder, an actuator disposed in the cylinder housing for shifting a blocking element blocking and releasing the cylinder core, and a power supply unit, the blocking element (23) engaging in at least one recess (42, 43) disposed on the periphery of the cyl inder core (4) spaced from the key channel (10, 11) in the axial area of the cylinder core (4) which is provided with the mechanical tumblers (49, 50, 51), and an electronic code transmitter being provided in the key and an electronic code evaluator in the cylinder housing for controlling the actuator, characterized in that the electronic code transmitter is formed by a transponder (26) and the electronic code evaluator by a transponder reading device (16, 17), and the power supply device (24) is disposed in the cylinder housing (1), the transponder (26) and the transponder reading device (16, 17) having two mutually coordinated electric high-frequency oscillating circuits (radiofrequency) in the key (12) and the locking cylinder, respectively, there being an excitation in the oscillating circuit of the key (12) and a power supply which permits data transmission from the key (12) to the transponder reading device (16, 17), when the key (12) approaches the oscillating circuit of the locking cylinder.
  2. The locking device of claim 1, characterized in that the blocking element (23) engages in the recess (42, 43) with a roll body (40, 41).
  3. The locking device of either of the above claims, characterized in that the blocking element (23) is spring-loaded into the blocked position.
  4. The locking device of any of the above claims, characterized in that the actuator (22) is formed by an electric motor (34).
  5. The locking device of claim 4, characterized in that the electric motor (34) is provided with an eccentric (36) for shifting the blocking element (23).
  6. The locking device of claim 5, characterized in that. the eccentric (36) has two opposing cams (37, 38) which act upon the blocking element (23) and the cylinder housing (1), respectively, in the blocked position.
  7. The locking device of any of the above claims, characterized in that the cylinder core (4, 5) has a key channel (10, 11) open toward its peripheral surface, and the blocking element (23) is formed as a stirrup (39) which engages with its two ends in two recesses (42, 43) in the peripheral surface of the cylinder core (4) on one and the other side of the key channel (10).
  8. The locking device of any of the above claims, characterized in that the cylinder housing (1) has a cylinder sack (6, 7), which receives the actuator (22), the transponder reading device (16, 17) and the power supply device (24).
  9. The locking device of claim 8, characterized in that the locking cylinder is formed as a double cylinder lock, the actuator (22) being disposed in the cylinder sack (6) of one cylinder housing half (2) of the double cylinder lock and the power supply device (24) in the cylinder sack (7) of the other cylinder housing half (3).
  10. The locking device of claim 1, characterized in that the mechanical tumblers (49, 50, 51) consist of three rows of tumbler pins (52) lying in bores (53) in the cylinder core (4) and spring-loaded tumbler elements (54) cooperating therewith in the cylinder housing (1), and the key (12) is formed as a reversible flat key having rows of depressions (30) on the two narrow sides and the two broadsides thereof, whereby the tumbler pins (52) lying in the bores (53) for engaging in the depressions (30) on the broadsides of the key are disposed on one and the other side of the key channel (10), and the tumbler pins (52) lying in the bores (53) in the cylinder core (4) for engaging in the depressions on one of the two narrow sides of the key are disposed in the key channel plane.
  11. The locking device of any of the above claims, characterized in that the transponder reading device (16, 17) has at least one ferrite antenna (14) whose free and extends to the end wall of the cylinder housing (1).
  12. The locking device of any of the above claims, characterized in that the transponder reading device (16, 17) has a standby mode for energy-saving operation in the absence of a key (12) and an activated operating mode for reading out the transponder (26) when the key (12) is inserted in the locking cylinder, a wake-up circuit being provided for switching from the standby mode to the activated operating mode and vice versa.
  13. The locking device of claim 12, characterized in that the wake-up circuit detects proximity of the key (12), the transponder reading device (16, 17) periodically emitting short read pulses in the standby mode.
  14. The locking device of any of the above claims, characterized in that the activator (22) is not operated upon turning of the cylinder core (4, 5) after release of the cylinder core (4, 5), and for nonoperation of the actuator (22) upon turning the key (12) a key contact sensor of switch (58) is provided for detecting a rotary position of the cylinder core (4, 5).
  15. The locking device of claim 22, characterized in that the switch (58) for detecting the rotary position of the key (12) is operated by the blocking element (23) disengaged from the recess (42, 43) in the cylinder core periphery.
  16. The locking device of any of the above claims, characterized in that a plurality of keys (12) with different key codes are provided which must be inserted successively for unlocking the locking cylinder.
  17. The locking device of any of the above claims, characterized in that the power supply unit (24) is disposed in a compartment in the cylinder housing (1) which is adapted to be closed with the actuator (22).
EP96105945A 1995-05-15 1996-04-16 Locking device Expired - Lifetime EP0743411B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19517728A DE19517728C2 (en) 1995-05-15 1995-05-15 Locking device
DE19517728 1995-05-15

Publications (4)

Publication Number Publication Date
EP0743411A2 EP0743411A2 (en) 1996-11-20
EP0743411A3 EP0743411A3 (en) 1997-01-29
EP0743411B1 EP0743411B1 (en) 1998-08-19
EP0743411B2 true EP0743411B2 (en) 2004-01-07

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Application Number Title Priority Date Filing Date
EP96105945A Expired - Lifetime EP0743411B2 (en) 1995-05-15 1996-04-16 Locking device

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US (1) US5826450A (en)
EP (1) EP0743411B2 (en)
AT (1) ATE169982T1 (en)
DE (2) DE19517728C2 (en)
ES (1) ES2122737T5 (en)

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US7591160B2 (en) 2004-03-11 2009-09-22 Keso Ag Electromechanical lock cylinder

Also Published As

Publication number Publication date
DE19517728C2 (en) 1998-12-03
ES2122737T3 (en) 1998-12-16
DE59600447D1 (en) 1998-09-24
EP0743411A3 (en) 1997-01-29
EP0743411B1 (en) 1998-08-19
ATE169982T1 (en) 1998-09-15
US5826450A (en) 1998-10-27
DE19517728A1 (en) 1996-11-21
EP0743411A2 (en) 1996-11-20
ES2122737T5 (en) 2004-09-16

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