EP1022415B1 - Dispositif de blocage à actionnement électromagnétique - Google Patents

Dispositif de blocage à actionnement électromagnétique Download PDF

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Publication number
EP1022415B1
EP1022415B1 EP99124430A EP99124430A EP1022415B1 EP 1022415 B1 EP1022415 B1 EP 1022415B1 EP 99124430 A EP99124430 A EP 99124430A EP 99124430 A EP99124430 A EP 99124430A EP 1022415 B1 EP1022415 B1 EP 1022415B1
Authority
EP
European Patent Office
Prior art keywords
locking
locking mechanism
armature
electromagnet
mechanism according
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
EP99124430A
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German (de)
English (en)
Other versions
EP1022415A1 (fr
Inventor
Bernd Refflinghaus
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 GmbH and Co KG
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 EP1022415A1 publication Critical patent/EP1022415A1/fr
Application granted granted Critical
Publication of EP1022415B1 publication Critical patent/EP1022415B1/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
    • E05B47/0626—Cylinder locks with electromagnetic control by blocking the rotor radially
    • E05B47/063—Cylinder locks with electromagnetic control by blocking the rotor radially with a rectilinearly moveable blocking element
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/081—Magnetic constructions
    • 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
    • E05B2047/0092—Operating or controlling locks or other fastening devices by electric or magnetic means including means for preventing manipulation by an external magnetic field, e.g. preventing opening by using a strong magnet
    • 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 an electromagnetically activatable Locking mechanism, in particular for a lock cylinder a mortise lock for selective blocking or releasing a movable one disposed in a housing Kerns, with one a structural unit with one Anchor forming, in the trajectory of the core feasible Sperriegel, with one in open position for holding the Anker in a movement of the core through the locking bolt releasing position designed electromagnet and with a in the closed position for biasing the Sperriegels in a blocking the movement of the core Position designed locking spring, the anchor and a provided for installation of the armature pole face of the electromagnet a common, made of magnetizable material manufactured housing and wherein the eletromagnet a surrounded by a coil inner housing part and a Coil encompassing outer housing part has.
  • Such locking mechanisms are particularly in modern Access control systems commonly used. Hereby leaves the locking mechanism by means of an electric, the Unlock solenoid activating pulse.
  • the Locking mechanism can be in an additional mechanical Pin tumblers to block the core having Lock cylinder be arranged.
  • the impulse is usually generated by a freely programmable control electronics.
  • the control electronics can be, for example, a stored in a key moving the pin tumblers Control the code transmitter.
  • the anchor and a through a recess the lid to leading ram rigidly together connected so that already a slight deviation of the Recess in the lid to the intended direction of movement of the anchor to a gap between the anchor and the Pol vom and thus leads to a high power consumption.
  • EP 0 600 194 B1 is an access control system known in which an electromagnetically activated Locking mechanism with a lockable lock cylinder forming a structural unit.
  • a key for actuating the lock cylinder is a data memory arranged when inserting into the lock cylinder is read out.
  • a central controls the electromagnet depending on the data read out. For the lowest possible wiring effort is required that the electromagnet via a data bus from the central office or by means of a battery supply electricity.
  • EP 0 526 904 discloses a lock cylinder, in which a coil of the electromagnet below Pin tumblers is arranged.
  • the electromagnet is a bobbin parallel to a closing channel slidably arranged for a key having core.
  • the spool core can be from on one of the end faces move the coil arranged anchor plates and penetrates in open position into a notch of vertical on the core tapered locking bolt.
  • a disadvantage of This lock cylinder is that the bobbin and the Anchor plate from one outside the lock cylinder arranged magnets can be moved. hereby can the locking mechanism of a to unlock Unlock authorized person.
  • EP 0 370 666 A1 discloses an electromagnetic actuator become known, in which a pole face on an inner and an outer housing part are arranged. Between the housing parts a coil is arranged. One Anchor lying on the pole surface is thus off the side the coil forth largely against the effects of an external Magnetic field protected. Leaves from the side of the anchor However, initiate a magnetic field in the actuator and the Pull off the actuator from the pole faces. Furthermore, the actuator has a high power consumption, as the removal of the armature from the pole faces via the energization of the coil.
  • the invention is based on the problem, a locking mechanism of the type mentioned above to be designed so that he as much security against an unjustified Unlocking offers and a particularly low energy consumption Has.
  • the core thus remains in its immovable position.
  • a repeal of the locking mechanism according to the invention by a strong magnetic field applied from the outside This also avoided.
  • the inventive Locking mechanism a particularly low energy consumption and very high holding forces for very small Dimensions.
  • the outer housing part forms at the same time a part of the electromagnet shielding Housing.
  • the electromagnet can be inexpensively put together turnable parts.
  • the inventive Locking mechanism can therefore be special long from a very small button cell with electrical Supply electricity. Thanks to the invention could also the Electromagnet and the anchor with very small dimensions be provided. As a result, the inventive design Locking mechanism is particularly space-saving and suitable thus in particular for installation in a lock cylinder a mortise lock.
  • the lock cylinder can in addition to the locking mechanism according to the invention mechanical Have blocking means.
  • the locking mechanism according to the invention has a special low energy consumption when the electromagnet as Pot magnet with a flat pole face for the installation of the also designed anchor is formed.
  • the housing for shielding the pole face and the armature requires according to another advantageous development the invention a particularly low construction costs, if the anchor, the lid and adjacent to the lid Areas of the electromagnet made of the same material are.
  • a line of strong, outside of the invention Locking mechanism arranged magnetic fields to the armature can be easily avoided if the locking bolt and the Locking spring made of a non-magnetic material are.
  • Locking mechanism helps when in a basic position of the anchor from the core against the pole face is biased. This design becomes one unnecessary energy consumption avoided by the anchor must be held by the electromagnet only.
  • the Basic position is, for example, in the lock cylinder used locking mechanism the position in the key is removed from the closing channel can.
  • the electromagnet receives no electrical impulse, so that the locking bolt in a movement of the core in the Barrier recess penetrates and prevents further movement.
  • the electromagnet hold the voltage applied to the pole face anchor thus the core without obstruction by the locking bolt can be moved. Since the electromagnet thereby the He does not need to move an anchor, he only needs to hold it particularly low forces and thus only a very small Field strength and thus a very low energy consumption.
  • the anchor is disc-shaped and the locking bolt pin-shaped.
  • this design leads to a particularly simple assembly of the electromagnet, since this attached without complex alignment in a recording can be.
  • the prefabricated structural unit made of locking bolt and Anchor is structurally particularly simple if the locking bolt a penetrating the anchor in a recess Thong has and if the free end of the pin to Schugreifung the anchor has a broadening. This will ensure that the amount is up to the locking bar in its direction of movement opposite the anchor is slidable, the intended, for the Function of the locking mechanism does not exceed necessary level.
  • Disturbing noises of the locking mechanism according to the invention can be easily avoided if the locking bolt means a retaining spring is clamped away from the armature.
  • the locking mechanism is easy to prevent when the locking bar in the open position during a rotation the core slightly against the force of the retaining spring is displaceable.
  • the lock bolt for example slightly protrude into the trajectory of the core.
  • the locking bolt is also with the armature resting against the pole face with each revolution the core slightly moved and thus bonds or rust solved.
  • the core could be a single wedge-shaped one Locking recess for receiving the locking bolt in the closed position have, so that it in the closed position only in a direction can be moved.
  • the core could be a single wedge-shaped one Locking recess for receiving the locking bolt in the closed position have, so that it in the closed position only in a direction can be moved.
  • the locking bar is advantageous according to another Development of the invention with every movement of the Kerns moved several times when the core two side by side arranged, each adjacent to a Residuum locking recesses has to penetrate the locking bolt. This will the rusting or sticking of the locking bolt in the open position particularly reliably avoided.
  • the manufacture of the locking mechanism according to the invention designed especially easy when the electromagnet cylindrical shaped and in a likewise cylindrical, on the movable core tapered recess is arranged.
  • the intended position of the locking bolt relative to the Electromagnet can be according to another advantageous Establish the invention easily, if the residuum in a mounting position of the electromagnet aligned with the locking bar. For assembly simply the core is moved to the mounting position. Subsequently can the electromagnet together with the Anchor, the locking bolt and the locking spring to the stop, in which the locking bolt from the residuum against the Anchor plate and this is pressed against the pole face, insert into the recess and fasten.
  • the locking bolt which penetrates into the locking recess can become tilt in his leadership without damaging his flanks when the locking bolt is a circumferential, in in a closed position between the recess and the Has core located region arranged clamping groove. Is attempted in the closed position of the locking mechanism, to move the core with great force, prevent first the shear forces on locking bolt and locking recess a rotation of the locking bolt. The same time to the radial attacking Shear forces on the locking bar and vertically acting forces on the locking bolt try the locking bolt easy to tilt and against the force of the locking spring to push out of the locking recess.
  • the perpendicular to the locking forces acting for example by asymmetries in the arrangement of locking bars and Core or by necessary play of the locking bolt in caused his leadership. Thanks to the invention can the locking bolt no longer moves out of the locking recess, because the edge of the locking recess in this clamping groove engages and slightly tilt the locking bar, so that an edge of the guide of the locking bolt also in the Clamping groove engages.
  • FIG. 1 shows a partial section in the longitudinal direction by a double-profile lock cylinder provided for a mortise lock 1.
  • the lock cylinder 1 points two housing parts connected to one another via a web 2 3, 4 on.
  • the housing parts 3, 4 are each used for Recording a by means of a key, not shown rotatable core 5, 6.
  • the core 5 can be couple with a cam 7 rotatably and from block several mechanical pin tumblers 8. Between the pin tumblers 8 and the cam 7 is an inventive locking mechanism 9 is arranged.
  • the Locking mechanism 9 has a in one Recess 10 of the lock cylinder 1 attached electromagnet 11 and one in a locking recess 12 of the core. 5 movable locking bolt 13.
  • FIG. 2 shows the lock cylinder 1 from FIG. 1 in FIG a sectional view taken along the line II - II through the locking mechanism according to the invention 9.
  • the locking bolt 13 is connected to one of the pole face 14 of the electromagnet 11 adjacent armature 15 is connected and is of a retaining spring 16 stretched away from the armature 15.
  • the electromagnet 11 is as a pot magnet 17 with an inner and a outer housing part 18, 19 is formed. Between Housing parts 18, 19, a coil 20 is arranged. Farther the electromagnet 11 is shielded by a housing 21.
  • the housing 21 is composed of the outer housing part 19 and one connected to this, the anchor 15 overlapping cover 22 together.
  • the lid 22 and the outer housing part 19 are made of the same magnetizable Material made.
  • the locking bolt 13, the retaining spring 16 and a locking spring 23 are made of a non-magnetic material made to an initiation of magnetic Field lines to avoid the anchor 15.
  • the locking bolt 13 has a pin 24, with which he the disc-shaped anchor 15 in a stepped Recess 25 penetrates.
  • the pin 24 is connected to a provided the anchor 15 engaging behind broadening 26.
  • the recess 25 in the armature 15 is dimensioned that the locking bolt 13 relative to the armature 15 slightly move axially and can swing.
  • One in the Cover 22 arranged recess 31 for carrying out the Sperriegels 13 is also slightly larger for this purpose designed as the locking bolt 13.
  • the locking bolt 13 has in the lock cylinder 1, a guide 27. Further shows Figure 2, that in the core 5 two locking recesses 12, 28 incorporated are each having a wedge-shaped shape and adjacent to a residue 29.
  • the trajectory Residual 29 when turning the core 5 is in the area the locking bolt 13 shown in phantom. at a rotation of the core 5, the Residuum 29 comes against the locking bolt 13 and pushes this slightly against the Force of the locking spring 23 and the retaining spring 16 in the direction of the armature 15.
  • the locking bolt 13 to avoid its sticking or rusting when closing the Locking cylinder 1 regularly moved slightly.
  • the Pivoting the locking bolt 13 against the anchor 15th ensures that tolerances, for example, in the Alignment of the recess 10 for the electromagnet 11th and the guide 27 of the locking bolt 13 not to a Clamping the locking bolt 13 or a non-uniform system of the armature 15 lead to the pole face 14.
  • FIG. 3 shows the locking mechanism according to the invention 9 in a locked position.
  • the Lock bar 13 by the locking spring 23 in one of the recesses 12 biased.
  • the anchor 15 is therewith in a remote from the pole face 14 position.
  • One strong, from outside on the locking mechanism according to the invention 9 acting magnetic field does not lead to a Movement of the armature 15 in the direction of the pole face 14, da this area of the lid 22 and the outer housing part 19 of the electromagnet 11 is shielded.
  • the in the locking recess 12 projecting portion of the locking bolt 13 is provided with a circumferential clamping groove 30. These Clamping groove 30 is located in the adjoining area between the core 5 and the casing 3.
  • FIG. 4 shows the locking mechanism according to the invention 9 in a basic position. In this position can be insert a key into a closing channel 32 of the core 5 and pull out of this. This expresses that Residuum 29 of the core 5 the locking bolt 13 against the force the locking spring 23 to the electromagnet 11 back. Of the Sperriegel 13 is in turn against the anchor 15th biased and pushes it against the pole face 14 of the Electromagnet 11. Energizing the electromagnet 11 is not required for this purpose. At a circuit of Locking mechanism 9 remains in the closed position Electromagnet 11 de-energized, so that the locking bolt 13 at a rotation of the core 5, as shown in Figure 3, in the locking recess 12 penetrates.
  • the locking mechanism according to the invention can be 9 in the marked basic position in the lock cylinder 1 mount.
  • the locking mechanism according to the invention 9 can be together with the electromagnet 11, the Lock bar 13 and the lid 22 to a structural unit protruding. Subsequently, this structural unit inserted into the recess 10 of the lock cylinder 1. First, the locking bolt 13 comes against the Residuum 29. The structural unit will, however, until it stops moved on until the locking bolt 13 and the anchor 15 between the Residuum 29 and the electromagnet 11th are clamped. Subsequently, the electromagnet 11th fastened in the recess 10 of the lock cylinder 1.
  • This attachment can, for example, by gluing, Jamming or screwing done.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnets (AREA)
  • Lock And Its Accessories (AREA)
  • External Artificial Organs (AREA)
  • Telephone Function (AREA)

Claims (14)

  1. Dispositif de blocage à actionnement électromagnétique, en particulier pour un cylindre de fermeture d'une serrure mortaisée pour, au choix, bloquer ou libérer un coeur (5, 6) mobile placé dans un boítier, présentant un verrou de sûreté (13), formant une unité constructive avec un induit (15), guidable dans la trajectoire du coeur (5, 6), comprenant un électroaimant ( 11) conformé en position ouverte pour maintenir 1' induit (15) dans uneposition autorisant un déplacement du coeur (5, 6) grâce au verrou de sûreté (13) et pourvu d'un ressort d'arrêt (23) conformé en position fermée pour la précharge du verrou de sûreté (13) dans une position bloquant le déplacement du coeur (5, 6), l'induit (15) et une face polaire (14) de l'électroaimant (11) prévue pour servir d'appui à l'induit (15) ayant un boítier (21) commun en matériau magnétisable et l'électroaimant (11) ayant une partie interne du boítier (18) entourée d'une bobine (20) et une partie externe du boítier (19) enveloppant la bobine (20), caractérisé en ce que la face polaire (14) est située contre la partie interne du boítier (18) et la partie externe du boítier (19) et en ce que le verrou de sûreté (13) placé en face de l'induit (15) est maintenu mobile sur une certaine distance dans sa direction de déplacement et/ou perpendiculairement à sa direction de déplacement.
  2. Dispositif de blocage selon la revendication 1, caractérisé en ce que l'électroaimant (11) est conformé en électroaimant cuirassé (17) présentant une face polaire (14) plate servant d'appui à l'induit (15) également plat.
  3. Dispositif de blocage selon la revendication 1 ou 2, caractérisé en ce que l'électroaimant (11) possède un couvercle (22) en matériau magnétisable touchant l'électroaimant cuirassé (17) et recouvrant l'induit (15) et en ce que le couvercle (22) possède un évidement permettant le passage du verrou de sûreté (13).
  4. Dispositif de blocage selon la revendication 1 ou 2, caractérisé en ce que l'induit (15), le couvercle (22) et les zones de l'électroaimant (11) autour du couvercle (22) sont réalisés dans le même matériau.
  5. Dispositif de blocage selon l'une au moins des revendications ci-dessus, caractérisé en ce que le verrou de sûreté (13) et le ressort d'arrêt (23) sont réalisés dans un matériau amagnétique.
  6. Dispositif de blocage selon l'une au moins des revendications précédentes, caractérisé en ce que, dans une position de base, l'induit (15) est préchargé par le coeur (5) contre la face polaire (14).
  7. Dispositif de blocage selon l'une au moins des revendications précédentes, caractérisé en ce que le verrou de sûreté (13) peut pivoter par rapport à l'induit (15).
  8. Dispositif de blocage selon l'une au moins des revendications précédentes, caractérisé en ce que le verrou de sûreté (13) possède un axe (24) pénétrant dans l'induit (15) à travers un évidement (25) et en ce que l'extrémité libre de l'axe (24) présente un évasement (26) destiné à entraíner l'induit (15).
  9. Dispositif de blocage selon l'une au moins des revendications précédentes, caractérisé en ce que le verrou de sûreté (13) est maintenu éloigné de l'induit (15) par un ressort de retenue (16).
  10. Dispositif de blocage selon l'une au moins des revendications précédentes, caractérisé en ce que le verrou de sûreté (13) en position ouverte peut se déplacer légèrement en sens contraire de la force du ressort de retenue (16) en cas de rotation du coeur (5).
  11. Dispositif de blocage selon l'une au moins des revendications précédentes, caractérisé en ce que le coeur (5) possède deux cavités de blocage (12, 28) situées l'une à côté de l'autre toutes deux contiguës à un bec (29) permettant l'avancée du verrou de sûreté (13).
  12. Dispositif de blocage selon l'une au moins des revendications précédentes, caractérisé en ce que l'électroaimant ( 11) est de forme cylindrique et situé dans un évidement (10) également de forme cylindrique se terminant sur le coeur (5) mobile.
  13. Dispositif de blocage selon l'une au moins des revendications précédentes, caractérisé en ce que le bec (29) est ajusté en position tournée vers le verrou de sûreté (13) dans une position de montage de l'électroaimant (11).
  14. Dispositif de blocage selon l'une au moins des revendications précédentes, caractérisé en ce que le verrou de sûreté (13) présente une rainure de serrage (30) circulaire située dans une zone se trouvant, en position fermée, entre l'évidement (10) et le coeur (5).
EP99124430A 1999-01-19 1999-12-08 Dispositif de blocage à actionnement électromagnétique Expired - Lifetime EP1022415B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19901838A DE19901838A1 (de) 1999-01-19 1999-01-19 Elektromagnetisch aktivierbarer Sperrmechanismus
DE19901838 1999-01-19

Publications (2)

Publication Number Publication Date
EP1022415A1 EP1022415A1 (fr) 2000-07-26
EP1022415B1 true EP1022415B1 (fr) 2005-03-02

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ID=7894663

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99124430A Expired - Lifetime EP1022415B1 (fr) 1999-01-19 1999-12-08 Dispositif de blocage à actionnement électromagnétique

Country Status (4)

Country Link
EP (1) EP1022415B1 (fr)
AT (1) ATE290146T1 (fr)
DE (2) DE19901838A1 (fr)
ES (1) ES2237023T3 (fr)

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Publication number Priority date Publication date Assignee Title
US11655653B1 (en) 2022-04-15 2023-05-23 Digilock Asia Ltd. Electronically operated lock cylinder

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DE102004056606A1 (de) * 2004-11-24 2006-06-01 Aug. Winkhaus Gmbh & Co. Kg Schließzylinder
DE102004057420A1 (de) * 2004-11-27 2006-06-01 Aug. Winkhaus Gmbh & Co. Kg Abschirmung für einen in einem Schlosskasten einer Tür angeordneten Schließzylinder mit einem elektromagnetisch aktivierbaren Sperrmechanismus
DE102004060430A1 (de) 2004-12-14 2006-06-22 Aug. Winkhaus Gmbh & Co. Kg Vorrichtung zum Nachweis eines Manipulationsversuches
DE102004062560A1 (de) * 2004-12-24 2006-07-06 Aug. Winkhaus Gmbh & Co. Kg Schließzylinder
DE102005001067A1 (de) * 2005-01-07 2006-07-20 Aug. Winkhaus Gmbh & Co. Kg Schließzylinder
DE102005000040A1 (de) * 2005-04-19 2006-10-26 Aug. Winkhaus Gmbh & Co. Kg Schließzylinder
EP1736620A1 (fr) * 2005-06-24 2006-12-27 BUGA Technologies GmbH Serrure cylindrique avec arbre de bouton bloqué
EP1739631B1 (fr) 2005-06-24 2012-10-24 Assa Abloy Ab Serrure cylindrique modulaire
US7845202B2 (en) 2006-09-22 2010-12-07 Assa Abloy Ab Interchangeable electromechanical lock core

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11655653B1 (en) 2022-04-15 2023-05-23 Digilock Asia Ltd. Electronically operated lock cylinder

Also Published As

Publication number Publication date
DE59911694D1 (de) 2005-04-07
ATE290146T1 (de) 2005-03-15
DE19901838A1 (de) 2000-07-20
ES2237023T3 (es) 2005-07-16
EP1022415A1 (fr) 2000-07-26

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