EP4043677B1 - Schliesseinrichtrung mit einem schliesszylinder und einem schliessorgan - Google Patents

Schliesseinrichtrung mit einem schliesszylinder und einem schliessorgan Download PDF

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Publication number
EP4043677B1
EP4043677B1 EP22154458.8A EP22154458A EP4043677B1 EP 4043677 B1 EP4043677 B1 EP 4043677B1 EP 22154458 A EP22154458 A EP 22154458A EP 4043677 B1 EP4043677 B1 EP 4043677B1
Authority
EP
European Patent Office
Prior art keywords
locking
antenna
core
locking cylinder
cylinder
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.)
Active
Application number
EP22154458.8A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4043677A1 (de
Inventor
Helmut Aswegen
Peter Bickert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aug Winkhaus SE
Original Assignee
Aug Winkhaus Se & Co Kg
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Aug Winkhaus Se & Co Kg filed Critical Aug Winkhaus Se & Co Kg
Publication of EP4043677A1 publication Critical patent/EP4043677A1/de
Application granted granted Critical
Publication of EP4043677B1 publication Critical patent/EP4043677B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00944—Details of construction or manufacture
    • 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
    • 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
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B2047/0084—Key or electric means; Emergency release
    • 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
    • G07C2009/00753—Electronically 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
    • G07C2009/00769—Electronically 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
    • G07C2009/00777—Electronically 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
    • 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
    • G07C2009/00753—Electronically 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
    • G07C2009/00769—Electronically 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
    • G07C2009/00793—Electronically 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 Hertzian waves
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks

Definitions

  • the invention relates to a locking device with a locking cylinder and a locking member for closing the locking cylinder, with a core movable in a housing of the locking cylinder, with an electronic locking mechanism for selectively blocking or releasing the movement of the core, with a locking cylinder antenna arranged in the locking cylinder, and with a locking member antenna arranged in the locking member for exchanging signals with the locking cylinder antenna for transmitting signals from a transponder of the locking member for controlling the locking mechanism.
  • Such a locking device is known, for example, from EP 0 628 684 A1 known.
  • the locking device shown is an ignition lock for a vehicle, which in addition to the radio-based communication between the key and the locking cylinder also has a mechanical locking mechanism with a rotating core.
  • the locking device has a magnetic shield in the form of a ring, which is arranged between the locking cylinder antenna and the core in order to minimize unwanted electromagnetic interactions of the core with the radio-based communication process between the locking cylinder and the key. To further reduce the formation of eddy currents in the ring-shaped shield, this has an interruption in a small angular range.
  • a locking device with a key and a locking cylinder which interact with each other exclusively via radio.
  • the solution presented aims to increase the communication performance and achieves this by means of a locking cylinder antenna consisting of two individual coils, whereby the coils are electrically connected to each other. Both coils extend in partially cylindrical planes and each comprise a circular segment of approx. 120°. This arrangement is intended to achieve the most spatially targeted expansion of the electromagnetic flux for interaction with the antenna arranged in the key.
  • a locking device described in the generic term with a code receiver in the locking cylinder and a transponder antenna in the locking element is known, for example, from DE 10 2010 043 967 A1 known.
  • the code receiver has a reader antenna with a ferrite core.
  • the ferrite core has two surfaces on its outside, over which field lines generated by the reader antenna are guided outside the base body.
  • the disadvantage of this locking device is that the signal path through the two surfaces of the reader antenna is very long. However, a long signal path requires a lot of energy. In addition, a long signal path is susceptible to interference and there is only a low coupling factor between the antennas.
  • the invention is based on the problem of developing a locking device of the type mentioned at the beginning in such a way that interference with the transmission of the signals is largely avoided and a high coupling between the antennas is achieved.
  • the interruption of the electrical and/or magnetic properties of the core on the side facing the locking cylinder antenna results in a significant reduction in the formation of eddy currents in the core.
  • This reduction is achieved by preventing a uniform circular current flow on the side facing the locking cylinder antenna.
  • the significant reduction in the formation of eddy currents in the core keeps disruption of the exchange of signals to a minimum and the attenuation of the signals to a minimum.
  • the slot-like recess is particularly easy to produce using a milling process.
  • the core can also reliably transmit a high torque during mechanical actuation after electronic release of the locking cylinder. This mechanical actuation is carried out, for example, by a locking element shaped like a key.
  • the locking cylinder antenna By arranging the locking cylinder antenna in a groove between the inner part of the core and the outer part of the core, the locking cylinder antenna can be arranged particularly close to the locking element antenna, particularly in the case of the locking element shaped like a key. This means that the locking device has a particularly low energy consumption.
  • the housing of the locking cylinder can be manufactured with a high level of break-in security, for example with hard metal inserts.
  • the housing can have a particularly high level of shielding to prevent unauthorized activation of the locking cylinder antenna. This strong shielding also prevents unauthorized access to the signals during transmission between the locking cylinder antenna and the locking device antenna. This makes unauthorized reading of the transponder data more difficult.
  • the inner core part is made of metal and thus contributes to the mechanical stability and shielding of the locking cylinder antenna. Since the core is formed by an inner core part and an outer core part that is connected to it in a rotationally fixed manner and the groove is arranged between the inner core and the outer core part, the groove is advantageously formed directly from the two core parts during assembly.
  • the locking device has a particularly short signal path and thus optimal field line progression when the locking cylinder antenna and the locking element antenna are arranged concentrically to one another in the position intended for the exchange of signals and when the centre points of the locking cylinder antenna and the locking element antenna lie one inside the other or when the centre point of the locking element antenna is offset slightly towards the front side of the locking cylinder.
  • the concentric arrangement of the antennas is structurally particularly simple according to an advantageous development of the invention if the locking cylinder antenna and the locking element antenna enclose each other concentrically in a position intended for the exchange of signals and if the centers are arranged in the same transverse plane of the core or if the center of the locking element antenna lies in a transverse plane that is closer to the front side than the transverse plane in which the center of the locking cylinder antenna lies.
  • the invention contributes to further increasing the transmission reliability if the dimensions of the locking element antenna in opposing planes are at most as large as the dimensions of the locking cylinder antenna.
  • a ferrite ring is particularly suitable as a radial shielding body. This ferrite ring shields the exchange of signals radially from the immediate environment, which also includes the at least partially metallic cylinder housing. The ferrite ring also ensures optimized guidance of the field lines for the best possible coupling into the antennas. For the shielding body to work optimally, its axial extension is at least as large as the axial extension of the locking cylinder antenna.
  • the core between the locking cylinder antenna and a front side of the locking cylinder has an axial shielding body for mechanically shielding the antennas.
  • the axial shielding body is preferably made of stable plastic and thus offers protection against mechanical manipulation of the locking cylinder and also does not influence the signal transmission between the antennas.
  • mechanical weakening of the core by the groove can be kept particularly low if the groove of the core has larger dimensions in the axial direction than in the radial direction.
  • This design allows the groove to be very flat, thereby avoiding deep cuts in the core.
  • the closing element antenna has a coil arranged on a ferrite core or a ferrite foil stack of the closing element.
  • the positioning of the antennas is particularly simple if the ferrite core has larger axial dimensions than the coil of the locking device antenna.
  • the extension of the ferrite core can thus be extended to the width of a key, so that a high reading range on planar readers can be ensured. This design is taken into account when a locking device designed as a key is held in front of a planar reader, where the reading takes place in the area in front of the reader and not in a housing.
  • the ferrite core has a non-circular cross-section, in particular a rectangular one. Due to this design, the ferrite core has a cross-section corresponding to the shaft of a key.
  • Figure 1 shows a locking device with a locking cylinder 1 and a locking member 3 having a key 2.
  • the locking cylinder 1 has a core 5 that can be rotated in a housing 4 to drive a driver 6.
  • the locking cylinder 1 has an electronic locking mechanism 7 with a control device 8 and a locking cylinder antenna 9.
  • the locking mechanism 7 is supplied with electrical power by a battery 10.
  • the key 2 has a locking member antenna 12. As soon as the locking member antenna 12 is brought into the reception range of the locking cylinder antenna 9, the locking member antenna 12 is excited and communication between the locking member 3 and the locking cylinder 1 is established.
  • the control device 8 then controls the locking mechanism 7 to release or block the movement of the core 5.
  • the lock cylinder antenna 9 is designed as a coil encircling the core 5 and is arranged in a groove 16 of the core 5.
  • the groove 16 of the core 5 is spaced from the front side of the lock cylinder 1.
  • Figure 2 that the core 5 has an inner core part 17 and an outer core part 18 which is connected in a rotationally fixed manner to the inner core part 17.
  • the groove 16 for receiving the locking cylinder antenna 9 is arranged between the inner core part 17 and the outer core part 18.
  • the inner core part 17 is made of metal and has an interruption 20 of the properties of the metal in the form of a slot-like recess 19 on its side facing the locking cylinder antenna 9.
  • the slot-like recess 19 has larger dimensions in the axial direction than in the radial direction.
  • the locking cylinder antenna 9 also has an axial shielding body 21 which shields the antenna signals in the axial direction and a radial shielding body 22 which shields the antennas radially outwards against mechanical influences.
  • the locking cylinder antenna 9 is designed as a coil 23 arranged below the shielding bodies 21, 22.
  • the locking element antenna 12 is designed as a coil 25 wound around the elongated ferrite core 24.
  • a ferrite foil stack can also be used instead of a homogeneous ferrite core 24.
  • the locking element antenna 12 has the same dimensions in the axial direction as the locking cylinder antenna 9.
  • the ferrite core 24 is longer than the coil 25 of the locking element antenna 12.
  • the locking element antenna 12 with the ferrite core 24 is surrounded by a plastic molded part 26.
  • Figure 3 shows a sectional view through the locking cylinder 1 from Figure 2 along the line III - III.
  • the plastic molded part 26 of the locking member 3 has the contour of the locking channel 14 of the locking cylinder 1.
  • FIG 4 shows individual components of the locking cylinder 1 before assembly for clarification.
  • the slot-like recess 19 in the core inner part 17 is visible on the side facing the locking cylinder antenna 9. It can also be seen that the core outer part 18 is inserted into the core inner part 17 with the intended cross section of the locking channel 14.
  • the locking cylinder antenna 9 and the two shielding bodies 21, 22 are enclosed between the core inner part 17 and the core outer part 18.
  • Figure 5 shows the components of the locking device for clarification Figure 2 in a perspective view in which the key 2 is in the position authorized to close the locking cylinder 1.
  • the housing 4 of the locking cylinder 1 and the plastic molded part 26 of the key 2 are not shown.
  • the core outer part 18 and the axial shielding body 22 are not shown.
  • the coils 23, 25 of the locking cylinder antenna 9 and the locking element antenna 12 are arranged concentrically to one another.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • General Physics & Mathematics (AREA)
  • Lock And Its Accessories (AREA)
EP22154458.8A 2021-02-12 2022-02-01 Schliesseinrichtrung mit einem schliesszylinder und einem schliessorgan Active EP4043677B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102021201330.9A DE102021201330A1 (de) 2021-02-12 2021-02-12 Schließeinrichtung mit einem Schließzylinder und einem Schließorgan

Publications (2)

Publication Number Publication Date
EP4043677A1 EP4043677A1 (de) 2022-08-17
EP4043677B1 true EP4043677B1 (de) 2025-01-22

Family

ID=80119394

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22154458.8A Active EP4043677B1 (de) 2021-02-12 2022-02-01 Schliesseinrichtrung mit einem schliesszylinder und einem schliessorgan

Country Status (5)

Country Link
EP (1) EP4043677B1 (pl)
DE (1) DE102021201330A1 (pl)
ES (1) ES3013586T3 (pl)
FI (1) FI4043677T3 (pl)
PL (1) PL4043677T3 (pl)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2565632Y2 (ja) * 1993-06-08 1998-03-18 株式会社東海理化電機製作所 キーシリンダ装置
DE19940248A1 (de) * 1999-08-25 2001-03-08 Winkhaus Fa August Schließzylinder
DE102010043967B4 (de) 2010-11-16 2023-12-21 Aug. Winkhaus Gmbh & Co. Kg Codeempfänger eines elektronischen Sperrmechanismus
DE202017107395U1 (de) * 2017-12-05 2019-03-06 Bks Gmbh Schließeinrichtung

Also Published As

Publication number Publication date
PL4043677T3 (pl) 2025-04-07
FI4043677T3 (en) 2025-02-25
ES3013586T3 (en) 2025-04-14
EP4043677A1 (de) 2022-08-17
DE102021201330A1 (de) 2022-08-18

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