EP0432392B1 - Serrure actionnée à l'aide d'une clé - Google Patents

Serrure actionnée à l'aide d'une clé Download PDF

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Publication number
EP0432392B1
EP0432392B1 EP90118786A EP90118786A EP0432392B1 EP 0432392 B1 EP0432392 B1 EP 0432392B1 EP 90118786 A EP90118786 A EP 90118786A EP 90118786 A EP90118786 A EP 90118786A EP 0432392 B1 EP0432392 B1 EP 0432392B1
Authority
EP
European Patent Office
Prior art keywords
key
lock
resistors
contacts
electrical contacts
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
EP90118786A
Other languages
German (de)
English (en)
Other versions
EP0432392A1 (fr
Inventor
Klaus Isken
Karl Joachim Fliether
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.)
KFV Karl Fliether and Co GmbH
Original Assignee
KFV Karl Fliether and Co GmbH
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
Application filed by KFV Karl Fliether and Co GmbH filed Critical KFV Karl Fliether and Co GmbH
Publication of EP0432392A1 publication Critical patent/EP0432392A1/fr
Application granted granted Critical
Publication of EP0432392B1 publication Critical patent/EP0432392B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/06—Controlling mechanically-operated bolts by electro-magnetically-operated detents
    • E05B47/0611—Cylinder locks with electromagnetic control
    • E05B47/0619—Cylinder locks with electromagnetic control by blocking the rotor
    • E05B47/0623—Cylinder locks with electromagnetic control by blocking the rotor axially, i.e. with an axially engaging blocking element
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/06—Controlling mechanically-operated bolts by electro-magnetically-operated detents
    • E05B47/0611—Cylinder locks with electromagnetic control
    • E05B47/0615—Cylinder locks with electromagnetic control operated by handles, e.g. by knobs
    • 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
    • G07C9/00658—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by passive electrical keys
    • G07C9/00714—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by passive electrical keys with passive electrical components, e.g. resistor, capacitor, inductor
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0002—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets
    • E05B47/0006—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets having a non-movable core; with permanent magnet

Definitions

  • the invention relates to a key-operated lock with an additional electrically controlled key actuation lock according to the preamble of the main claim.
  • Such a lock is known from DE-A-2 325 566.
  • This document discloses a key which, in addition to a mechanical key secret, carries a magnetic coding, the locking cylinder in the lock having a corresponding interrogation device and an evaluation device. If the magnetic key secret (code) matches a code or the like stored in the evaluation device, a release signal for the closing actuation is given, for. B. by releasing an additional lock.
  • a key-operated lock according to the preamble of claim 1 is known from AT-B-32 04 66.
  • the object of the invention is based on the object of designing a generic lock such that the key secret offers a high number of possible combinations in a simple and functionally reliable design.
  • a lock designed in this way achieves a high degree of security.
  • the use of electrical resistors as a carrier of another key secret allows a very high number of possible combinations due to a resistance range of about six orders of magnitude. If you go z. B. from a resistance tolerance range of about 20%, each resistor arranged in the key can assume about 60 different values.
  • the resistors are connected to contacts in such a way that they establish a lead connection with further contacts which are arranged in the locking cylinder when the key is (fully) inserted into the locking cylinder.
  • the electrical contacts arranged in the locking cylinder are connected to an electronic circuit, which is preferably accommodated in a rotary knob of the locking cylinder. This electronic circuit has comparative resistances which, for. B.
  • the electronic circuit can be compared via a bridge circuit with the resistors of the key secret. If matching resistors and resistances of the key secret match, the electronic circuit gives a signal z. B. to an additional electrical locking device to unlock it.
  • the additional electrical locking device can either be provided in the lock case itself, or also in the door frame. In the latter case, the release signal can also, for. B. transmitted via an optical connection from the door leaf into the frame.
  • the additional electrical lock is arranged in the cylinder lock itself. Instead of such a solution can also be available, where the coding is queried in the part-pushed state, so that the key can only be fully inserted if the coding is correct, or that the signal produces a coupling which only activates the otherwise empty key.
  • the electrical contacts of the key are preferably provided on the narrow side of the key, which lie opposite the mechanical key secret designed as notches; but it is also possible to provide the key notches with the electrical contacts.
  • the resistors can either be connected directly to the contacts, so that they are e.g. B. are arranged in the narrow side of the key, or else connected via lines in the key handle.
  • the resistors arranged in the key narrow side preferably consist of a core forming the electrical resistance and a jacket insulating it.
  • the material of the core can be graphite or metallic material.
  • the electronic circuit which compares the resistance in the key with a comparison resistor, preferably works with low measuring currents, so that the cross-sectional area of the resistor can be minimal. It is conceivable to use resistance diameters of a few 10 »m, which lie in an insulator which is preferably to be applied in liquid form, as paint or the like.
  • the resistors can be designed as fine threads. However, an embodiment is also preferred, the resistors being designed as thin metal layers (for example aluminum) which are vapor-deposited on an insulation material and are covered by an insulating protective layer. The resistances can be arranged in a groove on the narrow side of the key body.
  • the resistors are provided to the narrow side of the key body with contacts, which are preferably made of evaporated gold.
  • the resistors are connected at one end to the key body, so that it serves as an additional contact (ground).
  • the operating voltage for the electrical circuit can be taken from a button cell arranged in the locking cylinder, the key then actuating an additional electrical switch which connects the button cell to the electrical circuit when the key is inserted.
  • the operating voltage is supplied by a generator arranged in the lock case, the generator being driven by the locking mechanism, e.g. B. by operating the door handle. Operating voltage and control signal for locking are transmitted via sliding contacts on the outer wall of the locking cylinder.
  • the electronic circuit is either arranged outside the locking cylinder or is present as a monolytically integrated microcircuit in the locking cylinder.
  • the operating voltage is taken from an accumulator arranged in the rotary knob, which is recharged by solar cells.
  • the solar cells can be arranged on the rotary knob itself.
  • the electronic circuit has a comparison resistor configured in series for each resistor arranged in the key body. The voltage drop across the key resistor is compared to a lower and an upper one by means of window comparators with a very high input resistance Reference voltage compared. The window formed by the lower and upper reference voltage corresponds to the resistance tolerance range.
  • the outputs of the window comparators are connected to an AND gate, so that the signal which actuates the additional interlock is only delivered if the key resistors match the comparison resistances within the tolerance range.
  • FIGS. 4 and 5 shows a locking cylinder 9 into which a key 8 is inserted.
  • the key 8 carries in its key turning handle 10 a resistor 3 ', which is connected on one side 12' to the key body.
  • the other side of the resistor is connected via a conductive connection 15 'to a contact 1' which is arranged in a notch in the key.
  • the tumbler pin 13 forms the lock cylinder-side contact 2 '.
  • the bore in the lock cylinder for receiving the tumbler pin 13 is lined with an insulation layer.
  • the tumbler 13 is connected to the rotary knob 17 of the locking cylinder via an electrical line 14 and a sliding contact 16. (see also Fig. 1 to 3).
  • Resistors 3 are inserted in the narrow side of the key, which form a contact 1 towards the edge and are electrically connected at the other end 12 to the key body.
  • the resistors 3 are surrounded by insulation 11.
  • This embodiment shows a key 8 with three resistors. Depending on the length of the resistors, the key can also be equipped with a larger or fewer number of resistors.
  • the contacts 1 of the key 8 are in conductive connection with the contacts 2 of the locking cylinder.
  • the Contacts are located in recesses 19 of the lock cylinder wall and are connected there by means of insulation 8. From the contacts 2, which are designed to be resilient here, electrical lines 14 lead within the locking cylinder to an electrical circuit 23 arranged in the rotary knob.
  • the electrical circuit 23 has comparison resistances which are compared electrically with the resistances of the key, preferably without current.
  • the operating voltage can the electrical circuit z. B. are supplied via sliding contacts, not shown, via the lock cylinder body. If the resistances of the key and the comparison resistances match, an electrical signal is present at a further sliding contact, not shown. An additional lock 24 is unlocked with this electrical signal. Due to the preferably currentless interrogation of the resistor, these can be in the key as miniature resistors 3 ′′, B. also be arranged in the key handle 10 (see FIG. 8). However, the resistors are preferably designed as hair-thin threads made of graphite or a metallic material, which are connected at one end as shown in FIG. 6 to the key body and at the other end to contact 1 in such a way that they are otherwise insulated from the key body. The thin resistance threads are preferably arranged in an insulating lacquer in a groove 20 on the narrow side of the key 8.
  • the resistors can also be deposited in the form of a thin metal film on an insulating layer 11 in a groove 20 on the narrow side of the key 8.
  • the size of the resistance can be adjusted by the thickness of the metal layer (preferably aluminum).
  • this metal layer is provided with an insulating cover layer.
  • the contact surfaces are to be gold-plated.
  • the contacts 2 are connected to an electronic circuit 23 via an electrical line 14.
  • the electronic circuit 23, the accumulator 22, the photocells 21 and the lock, consisting of an electromagnet 25 and a bolt 24, are arranged in the rotary knob 17 of the locking cylinder.
  • the possibility is provided to arrange a single, continuous resistor on the key narrow side, the contacts being designed as taps.
  • the resistor is divided into several individual resistors that can be queried.
  • the design of the key with a plurality of individual resistors that can be queried enables the implementation of a closing hierarchy in a simple manner.
  • Another embodiment provides that the resistors can be queried even if the key is not fully inserted into the lock. On the one hand, this makes it possible to make further insertion dependent on whether the key has the correct resistance coding. On the other hand, it is also possible to use this arrangement with a hazard code. With correct coding, the rotary movement of the cylinder is released with such a key, so that actuation of the locking cylinder is ensured even when, for. B. on the opposite side is another key in the lock.
  • the two reference voltages 105 and 106 which are in a fixed relationship to the operating voltage 100, are formed by means of two voltage dividers 101, 102 and 103, 104 each consisting of two resistors.
  • the reference voltage 105 is higher than half the operating voltage by a certain percentage and the reference voltage 106 is lower than half the operating voltage 100 by the same percentage. The percentage is approximately the resistance tolerance range.
  • the key resistor 107, 107 ' is also connected to the reference resistor 108, 108' as a voltage divider.
  • the resistor 107 is recognized as correct if the voltage 109 dropping across it lies within the window formed by the reference voltages 105 and 106.
  • the voltages are compared without current with a window comparator formed from the operational amplifiers 110 and 111 or 110 'and 111'.
  • the outputs 112 and 113 of the two operational amplifiers are connected to an AND gate 114. If all key resistors 107, 107 'match the comparison resistors 108, 108' within the tolerance range, a voltage is present at the inputs of the AND gate 112, 112 ', 113, 113' and thus also at the output 115 of the AND Gate, so that the locking z. B. can be unlocked by means of the electromagnet 25.
  • the lines shown in broken lines indicate further resistance comparison circuit elements.

Landscapes

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

Claims (9)

  1. Serrure pouvant être actionnée par clef avec un verrou d'actionnement de fermeture supplémentaire, à commande électrique, par exemple d'un dispositif de verrouillage supplémentaire, se présentant sous la forme d'un cylindre de fermeture où une clef, réalisée sous la forme de clef plate, constitue le support d'un secret mécanique de clef, par actionnement de gâchettes de la serrure, la clef étant le support de contacts électriques (1), auquels est associé un élément de codage, pouvant être exploré électriquement, faisant office de secret de clef supplémentaire, et la serrure présentant des contacts électriques (2), associés à ces contacts (1) et associés à une circuit (2) électronique (4) commandant le verrou d'actionnement de fermeture supplémentaire, caractérisée en ce que les contacts électriques de l'élément de codage réalisé sous forme de résistance sont prévus sur le côté étroit de la clef plate et les contacts (2') du cylindre de fermeture sont disposés dans le canal de clef, les contacts électriques (1') étant constitués par les entailles de fermeture de la clef et les contacts électriques (2') du cylindre de fermeture étant constitués par les tiges de gâchette, et/ou les contacts électriques (1) étant disposés sur le dos, opposé aux entailles de la clef, les résistances pénétrant dans une cannelure (20) du côté étroit de la clef, vers le corps de clef, et les contacts électriques (2) du cylindre de fermeture étant disposés dans des évidements (19) de la paroi du cylindre de fermeture se trouvant en face des tiges de gâchette.
  2. Serrure selon la revendication 1, caractérisée en ce que les résistances sont raccordées électriquement à l'une de leurs extrémités au corps de clef.
  3. Serrure selon l'une ou plusieurs des revendications précédentes, caractérisée en ce que les résistances sont placées dans la poignée de clef (10) et reliées aux contacts (1) au moyen de conducteurs électriques (15, 15').
  4. Serrure selon l'une ou plusieurs des revendications précédentes, caractérisée en ce que le circuit électronique est logé par un pommeau de rotation (17) du cylindre de fermeture (9).
  5. Serrure selon l'une ou plusieurs des revendications précédentes, caractérisée en ce que les résistances portant le secret de clef sont comparées à des résistances de comparaison disposées dans le circuit de commutation électrique.
  6. Selon l'une des ou plusieurs revendications précédentes, caractérisée en ce que les résistances sont réalisées sous forme de filaments introduits et isolés dans une cannelure disposée dans l'un des côtés étroits du corps de clef.
  7. Serrure selon l'une ou plusieurs des revendications 1 à 5, caractérisée en ce que les résistances sont constituées par une couche conductrice mince appliquée par vaporisation sur une couche isolante.
  8. Serrure selon l'une ou plusieurs des revendications précédentes, caractérisée par plusieurs résistances partielles, pouvant être interrogées individuellement, logées dans la clef.
  9. Serrure selon l'une ou plusieurs des revendications précédentes, caractérisée en ce que les résistances peuvent être interrogées lorsque la clef n'est par entièrement enfoncée.
EP90118786A 1989-12-09 1990-10-01 Serrure actionnée à l'aide d'une clé Expired - Lifetime EP0432392B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3940737 1989-12-09
DE3940737A DE3940737A1 (de) 1989-12-09 1989-12-09 Schluesselbetaetigbares schloss

Publications (2)

Publication Number Publication Date
EP0432392A1 EP0432392A1 (fr) 1991-06-19
EP0432392B1 true EP0432392B1 (fr) 1994-06-22

Family

ID=6395138

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90118786A Expired - Lifetime EP0432392B1 (fr) 1989-12-09 1990-10-01 Serrure actionnée à l'aide d'une clé

Country Status (5)

Country Link
EP (1) EP0432392B1 (fr)
AT (1) ATE107731T1 (fr)
DE (2) DE3940737A1 (fr)
DK (1) DK0432392T3 (fr)
ES (1) ES2056329T3 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI92346C (fi) * 1992-04-16 1994-10-25 Abloy Security Ltd Oy Sähkömekaaninen lukkojärjestely
AT400607B (de) * 1994-02-04 1996-02-26 Evva Werke Elektrische kontakteinrichtung
ES2106668B1 (es) * 1994-11-18 1998-06-01 Azbe B Zubia S A Perfeccionamientos introducidos en cilindros de cierre electronicomecanico.
DE102005031186C5 (de) * 2005-07-01 2021-02-18 Huf Hülsbeck & Fürst Gmbh & Co. Kg Intelligente Betätigungsvorrichtung
AT502682B1 (de) * 2006-08-07 2007-05-15 Evva Werke Vorrichtung zur zutrittskontrolle
DE102010037879A1 (de) * 2010-09-30 2012-04-05 Dorma Gmbh + Co. Kg Halteteil für einen Drehknauf
ES2495990T3 (es) * 2011-08-29 2014-09-18 Assa Abloy (Schweiz) Ag Dispositivo de cierre mecatrónico
DE102012216109A1 (de) * 2012-09-12 2014-03-13 Aug. Winkhaus Gmbh & Co. Kg Schließzylinder für einen elektronischen Schlüssel
CN110443915B (zh) * 2019-06-24 2023-04-18 深圳绿米联创科技有限公司 门锁控制方法、控制装置、门锁及存储介质

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2086662A5 (fr) * 1970-01-01 1971-12-31 Monthioux Andre
US3673467A (en) * 1970-10-28 1972-06-27 Eaton Corp Resistively-coded security system
AT320466B (de) * 1972-06-29 1975-02-10 Kibolac Handels Ges M B H Schloß
DE2929772A1 (de) * 1979-07-23 1981-02-12 Kirsten Elektrotech Diebstahlsicherung fuer kraftfahrzeuge

Also Published As

Publication number Publication date
DK0432392T3 (da) 1994-10-24
DE3940737A1 (de) 1991-06-13
EP0432392A1 (fr) 1991-06-19
ES2056329T3 (es) 1994-10-01
DE59006220D1 (de) 1994-07-28
ATE107731T1 (de) 1994-07-15

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