EP3627455A1 - Clé pour un cylindre de serrure mécatronique et procédé de fabrication d'une telle clé - Google Patents

Clé pour un cylindre de serrure mécatronique et procédé de fabrication d'une telle clé Download PDF

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Publication number
EP3627455A1
EP3627455A1 EP18195898.4A EP18195898A EP3627455A1 EP 3627455 A1 EP3627455 A1 EP 3627455A1 EP 18195898 A EP18195898 A EP 18195898A EP 3627455 A1 EP3627455 A1 EP 3627455A1
Authority
EP
European Patent Office
Prior art keywords
key
shaft
shell elements
shell
another
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.)
Withdrawn
Application number
EP18195898.4A
Other languages
German (de)
English (en)
Inventor
Gerhard Hennecke
Klaus Ziaja
Daniel Knappik
Christoph Lelie
Marco Pullig
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.)
BKS GmbH
Original Assignee
BKS 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 BKS GmbH filed Critical BKS GmbH
Priority to EP18195898.4A priority Critical patent/EP3627455A1/fr
Publication of EP3627455A1 publication Critical patent/EP3627455A1/fr
Withdrawn legal-status Critical Current

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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
    • E05B49/00—Electric permutation locks; Circuits therefor ; Mechanical aspects of electronic locks; Mechanical keys therefor
    • E05B49/002—Keys with mechanical characteristics, e.g. notches, perforations, opaque marks
    • 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
    • G07C2009/00968—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys shape of the data carrier
    • G07C2009/00992—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys shape of the data carrier mechanical key

Definitions

  • the invention relates to a key for a mechatronic locking cylinder with the features of the preamble of claim 1.
  • the invention relates to a method for producing a key for a mechatronic locking cylinder with the features of the preamble of the independent claim.
  • mechatronic keys Keys for mechatronic locking cylinders (mechatronic keys) are known from the prior art, for example from DE 20 2016 104 903 U1 . Such keys are characterized by the fact that, in addition to mechanical coding (e.g. incisions in the key shaft), they have key electronics with electronic coding. The associated mechatronic locking cylinder can only be operated if both codes on the key match those in the locking cylinder. This is intended to achieve greater security.
  • Such keys are regularly manufactured using metal forming or machining processes.
  • the components of the key electronics such as conductor tracks, contacts, plugs, etc. are protected, they have to be cast or covered in a comparatively complex manner in grooves or slots to be formed in the key.
  • the electronic components such as conductor tracks and the like will be damaged due to wear. Protection against moisture and corrosion cannot be guaranteed permanently. Malfunctions or an early failure of the key can result.
  • the object of the invention is to enable permanently reliable operation in the case of mechatronic keys with simple design means.
  • the key is characterized in that the key shaft is formed from a plurality of shell elements which can be assembled and which, in the assembled state, delimit a shaft interior (cavity) from the outside, and in that parts or components of the key electronics are arranged in the shaft interior.
  • the key shaft is designed as a split key shaft and consists of several shell elements. Parts or components of the key electronics, i.e. part of the electronic components of the key are housed in the interior of the shaft (free space or cavity between the assembled shell elements).
  • Such an embodiment has the advantage that simple manufacture and reliable operation of a mechatronic key can be achieved.
  • electronic components can be placed on the shell elements in a simple manner, specifically in the sections of the shell elements facing the later shaft interior.
  • the shell elements each have recesses or depressions for the arrangement of the electronic components. In the assembled state, a space or cavity is thus created for the laying of key electronics components (interior of the shaft).
  • the arrangement of the Electronic components in the interior of the stock lead to the safe accommodation of the components inside the stock.
  • the key for a mechatronic locking cylinder or for a mechatronic locking system can also be referred to as a mechatronic key.
  • the axial direction along which the key shaft extends can also be referred to as the key shaft longitudinal direction or as the axial direction.
  • the shell elements can be designed such that they can be brought or brought into the assembled state from a state in which the shell elements lie axially offset on one another by relative axial displacement (displacement along the longitudinal direction of the shaft) and are thereby attachable or attached to each other.
  • This contributes to a comparatively simple key assembly.
  • the shell elements are placed on top of one another at the parting plane and pushed together.
  • the shell elements can be secured in a positive and / or non-positive manner.
  • the shell elements can have connecting elements which correspond to one another and which can be brought into engagement with one another by displacing the shell elements.
  • the shell elements can each be designed as key shaft halves.
  • the divided key shaft can consist of two key shaft halves (e.g. lower shell and upper shell). This creates a multi-part key shank with a small number of components and parting lines. This contributes to a high stability of the key shaft.
  • the key shaft can expediently be divided along the longitudinal direction of the shaft. This allows easy access to the (later) interior of the barrel and easy assembly of the key barrel halves.
  • the parting plane (on which the shell elements of the key shaft abut one another) can be arranged parallel to or in the central longitudinal plane of the key shaft.
  • the mean longitudinal plane means a plane that extends along the longitudinal direction of the shaft and whose normal vector is oriented orthogonally to the side faces of the key shaft (in other words, the normal vector is parallel to a narrow side of the key shaft). This can make assembly easier can be achieved because parts or components of the key electronics can be easily inserted into the shell elements or half shell, which delimit a part of the interior of the shaft, and, if necessary, insulated.
  • one of the shell elements at the end facing the key ring can preferably have projections projecting axially (along the longitudinal direction of the key shaft), which, when assembled, preferably engage in a corresponding clamping manner in corresponding recesses or passages in another of the shell elements.
  • This engagement results in a form-fitting connection which enables securing in the two directions orthogonal to the axial direction (key shaft longitudinal direction).
  • the connection also has a non-positive component. In this way, securing in the axial direction can be achieved (securing against "pulling out" of the projections).
  • Passages can optionally be formed in the projections, for example, orthogonally oriented to the axial direction, by means of which the shell elements can be pinned, screwed, glued or caulked to one another. These passages can be aligned with further passages on the shell element having the recesses or passages. A positive locking can also be realized in this way in the axial direction.
  • the tabs and the recesses or passages can be circular, elliptical, trapezoidal or rectangular in cross section.
  • an electronic connecting element can be arranged in the interior of the shaft, which connects an interface for communication (communication interface for communication with a mechatronic locking cylinder) arranged on the key shaft to an electronic control of the key electronics preferably arranged in the key holder.
  • the shell elements envelop and protect the electronic connection element inside the key shaft.
  • the connecting element is, in particular, an electrical or electronic supply line between the communication interface and the electronic control, for example as a ready-made flexible line.
  • the electronic connecting element can be insulated with a sealing compound relative to the shell elements. Insulators can also be provided on contacts (described below).
  • the communication interface can, if necessary together with the electronic control, serve to control a door lock.
  • the interface for communication can have one or more contacts that are at the free end of the key shaft are arranged, especially in the front third of the key shaft.
  • the contact or contacts can be conductively connected to corresponding contact points on or on the electronic connecting element.
  • the contact or the contacts can be designed as contact pins which penetrate one shell element or both shell elements (for example a reversible key or further security functions through more contacts).
  • the contacts can be arranged flush or set back to the key shaft side surface.
  • the contact or contacts can be insulated from the shell elements by an insulator.
  • the insulator can be designed as an injection molded plastic element. Starting from a preferably plate-shaped base, this can have one or more circular ring sections extending therefrom with passages arranged therein for the contacts (contact pins). With the circular ring sections, the insulator can be inserted into the openings in the shell element for the contacts, for example from the side of a shell element facing the later shaft interior. The contacts can be inserted into the openings for the contacts (on the shell elements), for example from the later outside of the key shaft.
  • the circular ring sections of the insulator surround the contacts (contact pins) radially outward.
  • the key electronics can have an electronic control, which in the Key cane can be arranged.
  • a chemical energy storage device (rechargeable battery or battery) can be arranged in the key ring, which supplies the electronic control with energy and optionally can also serve as an energy supply for a locking cylinder to be operated.
  • the electronic connection element can be connected to the electronic control by means of an electronic connection, for example a plug, solder or crimp connection.
  • the electronic control can be designed as an electronic circuit board. This can have an energy storage receptacle (eg receptacle for a button cell) for the chemical energy storage (for example a button cell).
  • At least one of the shell elements at the end facing the key ring can have a projecting coupling section for connection to the key ring.
  • the coupling section can protrude laterally beyond the key shaft (torque support).
  • the coupling section can be U-shaped (U-shaped configuration).
  • the coupling section can have two legs projecting laterally beyond the key shaft, each with a leg adjoining it and parallel to the longitudinal shaft direction (central longitudinal direction of the parallel one Leg parallel to the longitudinal direction of the shaft).
  • the key shaft can have a first shaft section at its free end, followed by a second shaft section towards the key bow, which is widened relative to the first shaft section.
  • a stable coupling to the key crest is favored.
  • both shaft sections can have the same thickness.
  • the first shaft section can in particular directly connect to the second shaft section.
  • the coupling section preferably adjoins the second shaft section.
  • the shell elements can be metallic, in particular by means of an original manufacturing process, for example an injection molding process for materials of higher strength (metallic materials). This enables inexpensive production of the shell elements with sufficient stability. Metal powder injection molding can be used as the injection molding process for producing the shell elements. This enables near-net-shape production of workpieces with complex geometries.
  • the key chalk can be designed as a preferably multi-part plastic housing his.
  • the plastic housing can have a lower shell, an upper shell and optionally a removable closure (cap) for changing an energy store without disassembling the housing.
  • the plastic housing can have a corresponding receptacle for the coupling section.
  • the key can be assembled by connecting the key shaft via the coupling section to, for example, the lower shell, inserting the electronic control (electronic circuit board) into the lower shell and connecting it to the electrical connecting element.
  • the electronic control can be screwed to the lower shell, for example.
  • the upper shell can then be placed on the lower shell and connected to the lower shell, for example by a snap connection or a connection by clipping.
  • an energy storage device can be inserted and the housing can be closed with the lock (cap).
  • shell elements are manufactured (these will later form the key shaft) using an injection molding process for materials of higher strength (metallic materials). This is followed by arranging parts of the key electronics on the shell elements (for example in recesses or depressions), so that these parts face the future interior of the shaft. Then the shell elements are assembled so that they form the key shaft and limit the interior of the shaft to the outside. Finally, the key shaft is connected to the key bow.
  • metal powder injection molding can be used as the injection molding process for the shell elements. This enables near-net-shape production of workpieces with complex geometries.
  • the shell elements can be axially offset from one another at a parting plane (offset in the longitudinal direction of the shaft) and axially displaced relative to one another, the shell elements being fastened to one another by engaging preferably axially projecting projections on one of the shell elements in corresponding recesses on the other shell element. This favors the production of the key, as already described above.
  • Figure 1 shows a key for a mechatronic locking cylinder (mechatronic key 10), the key being designated overall by reference number 10.
  • the key 10 has a key chord 12, a key shaft 14 extending axially from the key chord 12 and a key electronics 16 (in Fig. 1 not shown individually).
  • the axial direction is illustrated by arrow 18.
  • the key shaft 14 is formed from composite shell elements 20, 22.
  • the shell element 20 can be referred to as the lower shell 20 and the shell element 22 as the upper shell 22.
  • the shell elements 20, 22 delimit a shaft interior 17 in the assembled state (see Figure 3 ) outwardly. Parts or components of the key electronics 16 are arranged in the shaft interior 17.
  • the divided key shaft 14 consists of a plurality of shell elements 20, 22, which house components of the key electronics 16 between them in the shaft interior 17 (free space or cavity). The free space offers space for laying components of the key electronics 16.
  • the shell elements 20, 22 have recesses or depressions 19, 21 for the arrangement of components of the key electronics 16. When the shell elements 20, 22 are in the assembled state, the recesses or depressions 19, 21 together form the shaft interior 17.
  • the shell elements 20, 22 are designed such that they start from a state in which the shell elements 20, 22 are axially offset against a parting plane 24 (see Figure 5a ) can be brought into the assembled state by relative axial displacement (displacement along the axial direction 18) and can thereby be fastened to one another (see Figure 1 , Figure 2 and Figure 5b ).
  • the shell elements 20, 22 are each designed as key shaft halves.
  • the split key shaft 14 in the exemplary embodiment thus consists of two key shaft halves 20, 22 (lower shell 20 and upper shell 22; see, inter alia Figure 3 ).
  • the key shaft 14 is divided along the longitudinal direction 18 of the shaft.
  • the parting plane 24, at which the shell elements 20, 22 lie against one another in sections, is arranged in the central longitudinal plane of the key shaft 14 (central longitudinal plane defined above).
  • One of the shell elements 20, 22, in the present exemplary embodiment the upper shell 22, has axially projecting ends 26 facing the key cord 12 Projections 28 on (see, inter alia Figures 3 and 4b ).
  • the other of the shell elements 20, 22, in the present exemplary embodiment the lower shell 20 has corresponding recesses or passages 30 at the end 26 facing the key ring 12 (see, inter alia Figures 3 and 5a ).
  • the projections 28 In the assembled state, the projections 28 preferably engage in the corresponding recesses or passages 30 by clamping (see Figure 5b ). This allows a positive and non-positive connection between the shell elements 20, 22, as described above.
  • the projections 28 and the recesses or passages 30 have a rectangular cross section. There is an opening 31 between the recesses or passages 30 for the implementation of an electronic connecting element 36 (to be described further below).
  • Passages 32 oriented orthogonally to the axial direction 18 are formed in the projections 28 (see, inter alia Figures 4a , 5a, and 5b ).
  • 30 further passages 34 are formed on the shell element 20 (lower shell 20) in the region of the recesses or passages (see, inter alia Figure 4a ), which in the assembled state are aligned with the passages 32 in the projections 28 (see Figure 5b ).
  • the shell elements 20, 22 can hereby be pinned, screwed, glued or caulked to one another, as described above.
  • An electronic connecting element 36 is arranged in the shaft interior 17 (see Figure 3 ) which an interface 38 arranged on the key shaft 14 for communication (with a mechatronic locking cylinder, not shown) connects to an electronic control 40 arranged in the key box 12.
  • the connecting element 36 is an electrical or electronic feed line between the communication interface 38 and the electronic controller 40. This is preferably designed as a ready-made flexible line.
  • the connecting element 36 can be insulated with a sealing compound relative to the shell elements 20, 22 (not shown).
  • the interface 38 serves to control a door lock (not shown).
  • the interface 38 has two contacts 42, which are arranged at the free end of the key shaft 14, for example in the front third.
  • the contacts 42 are conductively connected to contact points 43 on or on the electronic connecting element 36.
  • the contacts 42 are designed as contact pins, which are arranged on both shell elements 20, 22 and penetrate them.
  • the contacts 42 are each insulated from the shell elements 20, 22 by an insulator 44.
  • the insulator 44 is designed as an injection molded plastic element.
  • the insulator 44 has a plate-shaped base 46 and two circular ring sections 48 extending therefrom with passages arranged therein for the contacts 42 (contact pins).
  • the insulator 44 can be inserted with the circular ring sections 48 into the openings 50 on the shell elements 20, 22 for the contacts 42, for example from the side of a shell element 20, 22 facing the (later) shaft interior 17.
  • the contacts 42 can enter the openings 50 are inserted for the contacts 42, for example from the (later) outside of the key shaft 14.
  • the circular ring sections 48 of the insulator 44 surround the contacts 42 (contact pins) radially outward.
  • the key electronics 16 have the electronic control 40, which is arranged in the key box 12 (see Figure 2 ).
  • a chemical energy store is arranged in the key chalk 12 (not shown), which supplies the electronic control 40 and possibly also a locking cylinder (not shown) to be actuated with energy.
  • the electronic connecting element 36 is connected to the electronic controller 40 by means of a connection 52 (for example a plug, solder or crimp connection 52).
  • the electronic control 40 is designed as an electronic circuit board. This has an energy storage receptacle 54 for the chemical energy storage.
  • At least one of the shell elements 20, 22, in the present exemplary embodiment the lower shell 20, has an protruding coupling section 56 at the end 26 facing the key ring 12 for connection to the key ring 12 on (see among others Figures 2 , 3rd and 4a ).
  • the coupling section 56 projects laterally beyond the key shaft 14. In a top view (parallel to the longitudinal plane of the key shaft 14), the coupling section 56 is U-shaped (see, inter alia Figure 4a ).
  • the coupling section 56 has two legs 56 'projecting laterally from the key shaft 14 and two adjoining legs 56''which are preferably parallel to the axial direction 18 (see inter alia Figures 3 and 4a ).
  • the key shaft 14 has at its free end 58 a first shaft section 60, followed by a second shaft section 62 towards the key 12, which is widened relative to the first shaft section 60. In the direction of the key thickness (arrow 64), both shaft sections 60, 62 have the same thickness. The two shaft sections 60, 62 directly adjoin one another. The coupling section 56 adjoins the second shaft section 62 (see, inter alia Figures 2 and 3rd ).
  • the shell elements 20, 22 are metallic.
  • An injection molding process for high-strength materials is used for this purpose, for example a metal powder injection molding process.
  • the key ring 12 is designed as a multi-part plastic housing 66.
  • the plastic housing 66 has a lower shell 68, an upper shell 70 and a removable closure 72 (cap 72) which can be inserted into an opening 74 in the upper shell 70.
  • the energy storage can be changed without disassembling the Plastic housing 66 possible.
  • the plastic housing 66 has a corresponding receptacle 76 for the coupling section 56 of the key shaft 14.
  • the key chalk 12 can be assembled as described above.
  • the method for producing the key 10 for a mechatronic locking cylinder can proceed as follows: First, the shell elements 20, 22 are produced by an injection molding process for materials of higher strength (metallic materials), in particular by metal powder injection molding. Thereafter, parts of the key electronics 16 are arranged on the shell elements 20, 22, in particular in the recesses or depressions 19, 21, so that these parts face the future interior 17 of the shaft. The insulators 44, the electronic connecting element 36 and the contacts 42 are thus placed on or in the shell elements 20, 22 (placement of the components in FIG Figure 3 indicated).
  • the shell elements 20, 22 are assembled.
  • the shell elements 20, 22 are placed axially offset on one another at the parting plane 24 (see Figure 5a ).
  • the shell elements 20, 22 are displaced relative to one another so that they lie flush on one another (see Figure 2 and 5b ).
  • the shell elements 20, 22 are fastened to one another by the axially protruding projections 28 of the shell element 22 (upper shell 22) in corresponding recesses 30 engage another shell element 20 (lower shell 20).
  • the shell elements 20, 22 can additionally be fastened to one another by means of the aligned passages 32 and the further passages 34, as described above.
  • the key shaft 14 is then connected to the key cord 12.
  • the key shaft 14 with the coupling section is inserted into the corresponding receptacle 76 of the lower shell 68 and fastened therein, for example screwed, caulked, glued or the like.
  • the electronic connecting element 36 is connected to the electronic control 40 (electronic circuit board) via the connection 52.
  • the electronic control 40 is optionally fastened in the lower shell 68.
  • the upper shell 70 is then placed on the lower shell 68 and the opening 74 in the upper shell 70 is closed with the closure 72 (cap), if necessary after inserting a chemical energy store.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Lock And Its Accessories (AREA)
EP18195898.4A 2018-09-21 2018-09-21 Clé pour un cylindre de serrure mécatronique et procédé de fabrication d'une telle clé Withdrawn EP3627455A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP18195898.4A EP3627455A1 (fr) 2018-09-21 2018-09-21 Clé pour un cylindre de serrure mécatronique et procédé de fabrication d'une telle clé

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18195898.4A EP3627455A1 (fr) 2018-09-21 2018-09-21 Clé pour un cylindre de serrure mécatronique et procédé de fabrication d'une telle clé

Publications (1)

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EP3627455A1 true EP3627455A1 (fr) 2020-03-25

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EP18195898.4A Withdrawn EP3627455A1 (fr) 2018-09-21 2018-09-21 Clé pour un cylindre de serrure mécatronique et procédé de fabrication d'une telle clé

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040073147A (ko) * 2003-02-13 2004-08-19 최종철 바코드를 이용한 잠금장치
EP1832699A2 (fr) * 2006-03-08 2007-09-12 Hewi Heinrich Wilke Gmbh Clé avec un dispositif de contact
EP2047435A1 (fr) * 2006-07-10 2009-04-15 Huf Hülsbeck & Fürst GmbH & Co. KG Dispositif d'actionnement mobile
DE102009005322A1 (de) * 2009-01-16 2010-07-22 Martin Lehmann Gmbh & Co. Kg Elektronische Schließeinheit
DE202016104903U1 (de) 2016-09-06 2016-10-19 Assa Abloy Sicherheitstechnik Gmbh Mechatronischer Schlüssel
WO2017191518A1 (fr) * 2016-05-02 2017-11-09 Giussani Techniques S.P.A. Verrou électronique et procédé de fonctionnement associé

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040073147A (ko) * 2003-02-13 2004-08-19 최종철 바코드를 이용한 잠금장치
EP1832699A2 (fr) * 2006-03-08 2007-09-12 Hewi Heinrich Wilke Gmbh Clé avec un dispositif de contact
EP2047435A1 (fr) * 2006-07-10 2009-04-15 Huf Hülsbeck & Fürst GmbH & Co. KG Dispositif d'actionnement mobile
DE102009005322A1 (de) * 2009-01-16 2010-07-22 Martin Lehmann Gmbh & Co. Kg Elektronische Schließeinheit
WO2017191518A1 (fr) * 2016-05-02 2017-11-09 Giussani Techniques S.P.A. Verrou électronique et procédé de fonctionnement associé
DE202016104903U1 (de) 2016-09-06 2016-10-19 Assa Abloy Sicherheitstechnik Gmbh Mechatronischer Schlüssel

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