EP4043677A1 - Dispositif de fermeture avec un cylindre de fermeture et un organe de fermeture - Google Patents

Dispositif de fermeture avec un cylindre de fermeture et un organe de fermeture Download PDF

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Publication number
EP4043677A1
EP4043677A1 EP22154458.8A EP22154458A EP4043677A1 EP 4043677 A1 EP4043677 A1 EP 4043677A1 EP 22154458 A EP22154458 A EP 22154458A EP 4043677 A1 EP4043677 A1 EP 4043677A1
Authority
EP
European Patent Office
Prior art keywords
locking
antenna
core
lock cylinder
locking device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP22154458.8A
Other languages
German (de)
English (en)
Other versions
EP4043677B1 (fr
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 GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Aug Winkhaus GmbH and Co KG filed Critical Aug Winkhaus GmbH and Co KG
Publication of EP4043677A1 publication Critical patent/EP4043677A1/fr
Application granted granted Critical
Publication of EP4043677B1 publication Critical patent/EP4043677B1/fr
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 lock cylinder and a locking element for locking the lock cylinder, with a core that can be moved in a housing of the lock cylinder, with an electronic locking mechanism for selectively blocking or releasing the movement of the core, with a lock cylinder antenna arranged in the lock cylinder, and with a locking element antenna arranged in the locking element for exchanging signals with the locking cylinder antenna for transmitting signals from a transponder of the locking element for actuating the locking mechanism.
  • Such a locking device with a code receiver in the lock cylinder and a transponder antenna in the locking element is, 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 the field lines generated by the reader antenna are routed 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 high expenditure 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 outset in such a way that interference with the transmission of the signals is largely avoided and high coupling between the antennas is achieved.
  • the interruption of the electrical and/or magnetic properties of the core on the side facing the lock cylinder antenna brings about a significant reduction in the formation of eddy currents in the core.
  • This reduction is achieved by the fact that no uniform circular current flow can take place on the side facing the lock cylinder antenna.
  • the significant reduction in the formation of eddy currents in the core means that interference with the exchange of signals is kept particularly low and the damping of the signals is minimized.
  • the interruption of the core is structurally particularly simple if the core is made of metal and the interruption is designed as a slot-like recess in the core.
  • the slot-like recess in the core is preferably larger in the axial direction than in the radial direction.
  • the slit-like recess can also be manufactured particularly easily using the milling process. Due to the use of metal, the core can also reliably transmit a high torque in the context of mechanical actuation after an electronic release of the locking cylinder. This mechanical actuation takes place, for example, by means of a locking element shaped as a key.
  • the locking device has a particularly short signal path and thus an optimal course of field lines if 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 if the centers of the locking cylinder antenna and the locking element antenna lie in one another or if the center of the locking organ antenna is slightly offset towards the front of the locking cylinder.
  • the concentric arrangement of the antennas is advantageous Development of the invention is structurally particularly simple if the locking cylinder antenna and the locking organ antenna enclose each other concentrically in a position intended for the exchange of signals and if the center points are arranged in the same transverse plane of the core or if the center point of the locking organ antenna lies in a transverse plane that is closer to the Face is as the transverse plane in which the center of the lock cylinder antenna is located.
  • the invention contributes to further increasing the transmission reliability if the dimensions of the locking element antenna in opposite planes are at most as large as the dimensions of the locking cylinder antenna.
  • the lock cylinder antenna is surrounded radially on the outside by a radial shielding body for shielding the signals from the antennas.
  • a ferrite ring is particularly suitable as a radial shielding body. This ferrite ring radially shields the exchange of signals from the immediate environment, which also includes the at least partially metallic cylinder housing. Furthermore, the ferrite ring ensures optimized guidance of the field lines for the best possible coupling into the antennas. For an optimal effect of the shielding body, its axial extent is at least as large as the axial extent of the lock cylinder antenna.
  • the core has an axial shielding body between the lock cylinder antenna and an end face of the lock cylinder for mechanically shielding the antennas.
  • the axial shielding body is preferably made of stable plastic and thus offers protection against mechanical manipulation of the lock cylinder and on the other hand it does not affect the signal transmission between the antennas.
  • the lock cylinder antenna contributes to further improving the transmission security of the signals if the lock cylinder antenna is arranged in a groove 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 designed as a key.
  • the locking device has a particularly low energy consumption.
  • the housing of the locking cylinder can be manufactured with a high level of protection against forced entry, for example with hard metal inserts.
  • the housing can have a particularly high level of shielding to prevent unauthorized activation of the lock cylinder antenna. This strong shielding also prevents unauthorized access to the signals during transmission between the lock cylinder antenna and the locking organ antenna. This makes unauthorized reading of the transponder data more difficult.
  • the core is preferably made of metal and thus contributes to the mechanical stability and shielding of the lock cylinder antenna.
  • the arrangement of the lock cylinder antenna in the groove is particularly simple if the core has an inner core part and an outer core part which is connected to the inner core part in a rotationally fixed manner and is guided to the outside of the housing, and if the groove between the inner core part and the Core outer part is arranged.
  • the groove is easily formed when the core is assembled from the two core parts.
  • a 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 shallow, 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 closing element antenna.
  • the expansion of the ferrite core can thus be extended to a key bow, so that a large reading range on planar readers can be ensured.
  • This design is taken into account when a locking element designed as a key is held in front of a planar reader, in which the reading takes place in the area in front of the reader and not in a housing.
  • the ferrite core has a non-round, in particular rectangular, cross-section. Due to this design, the ferrite core has a cross section corresponding to the shank of a key.
  • FIG 1 shows a locking device with a locking cylinder 1 and a locking element 3 with a key 2.
  • the locking cylinder 1 has a core 5 that can rotate in a housing 4 for driving 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 electric power from a battery 10 .
  • the key 2 has a locking element antenna 12. As soon as the locking element antenna 12 is brought into the receiving range of the locking cylinder antenna 9, the locking element antenna 12 is excited and communication between the locking element 3 and the locking cylinder 1 is established.
  • the control device 8 controls the blocking mechanism 7 to enable or block the movement of the core 5 .
  • figure 2 shows an enlarged portion of the locking device with the key 2 inserted into the lock cylinder 1.
  • the core 5 of the lock cylinder 1 has a lock channel 14 to accommodate a shank 13 of the key 2.
  • a bow 15 of the key 2 is located outside of the lock cylinder 1 to introduce a torque
  • the locking element has a transponder chip 11 which, in this representation, is arranged on a ferrite core 24 installed in the locking element 3 .
  • the transponder chip 11 can also be positioned at other points of the locking element.
  • This position of the key 2 corresponds to the position in which the signals from the transponder chip 11 are read out and the position in which a torque can be transmitted from the key 2 to the core 5 of the lock cylinder 1 .
  • the center of the lock organ antenna 12 coincides with the center of the lock cylinder antenna 9, so that both centers are located in the same transverse plane of the core 5.
  • the center of the lock organ antenna closer to the face than the center of the lock cylinder antenna.
  • the locking cylinder antenna 9 encloses the locking element antenna 12 concentrically.
  • the lock cylinder antenna 9 is designed as a coil running around 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 end face of the lock cylinder 1 .
  • the core 5 has an inner core part 17 and an outer core part 18 connected in a rotationally fixed manner to the inner core part 17 .
  • the groove 16 for receiving the lock cylinder antenna 9 is arranged between the core inner part 17 and the core outer part 18 .
  • the core inner part 17 is made of metal and has an interruption 20 of the properties of the metal, which is designed as a slot-like recess 19 on its side facing the lock cylinder antenna 9 .
  • the slot-like recess 19 has larger dimensions in the axial direction than in the radial direction.
  • the lock cylinder antenna 9 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 lock cylinder antenna 9 is designed as a coil 23 arranged below the shielding bodies 21 , 22 .
  • the closure member antenna 12 is formed 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 closing 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 closing element antenna 12.
  • the closing element antenna 12 with the ferrite core 24 is surrounded by a plastic molding 26.
  • figure 3 shows a sectional view through the lock cylinder 1 for clarification figure 2 along line III - III.
  • the plastic molded part 26 of the locking element 3 has the contour of the locking channel 14 of the locking cylinder 1 .
  • FIG 4 shows for clarification individual components of the lock cylinder 1 before assembly.
  • the slot-like recess 19 in the core inner part 17 is visible on the side facing the lock cylinder antenna 9 .
  • the outer core part 18 is inserted into the inner core part 17 with the intended cross section of the locking channel 14 .
  • the lock 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 authorized to close the lock cylinder 1 position.
  • the housing 4 of the lock cylinder 1 and the plastic molded part 26 of the key 2 are not shown.
  • the outer core part 18 and the axial shielding body 22 are not shown.
  • the coils 23, 25 of the lock cylinder antenna 9 and the locking organ 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 Dispositif de fermeture avec un cylindre de fermeture et un organe de fermeture Active EP4043677B1 (fr)

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 true EP4043677A1 (fr) 2022-08-17
EP4043677B1 EP4043677B1 (fr) 2025-01-22

Family

ID=80119394

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22154458.8A Active EP4043677B1 (fr) 2021-02-12 2022-02-01 Dispositif de fermeture avec un cylindre de fermeture et un organe de fermeture

Country Status (5)

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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0628684A1 (fr) * 1993-06-08 1994-12-14 Kabushiki Kaisha Tokai Rika Denki Seisakusho Dispositif à cylindre actionné par une clé
DE19940248A1 (de) * 1999-08-25 2001-03-08 Winkhaus Fa August Schließzylinder
DE102010043967A1 (de) 2010-11-16 2012-05-16 Aug. Winkhaus Gmbh & Co. Kg Codeempfänger eines elektronischen Sperrmechanismus
DE202017107395U1 (de) * 2017-12-05 2019-03-06 Bks Gmbh Schließeinrichtung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0628684A1 (fr) * 1993-06-08 1994-12-14 Kabushiki Kaisha Tokai Rika Denki Seisakusho Dispositif à cylindre actionné par une clé
DE19940248A1 (de) * 1999-08-25 2001-03-08 Winkhaus Fa August Schließzylinder
DE102010043967A1 (de) 2010-11-16 2012-05-16 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
DE102021201330A1 (de) 2022-08-18
ES3013586T3 (en) 2025-04-14
FI4043677T3 (en) 2025-02-25
EP4043677B1 (fr) 2025-01-22

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