EP1999534A1 - Dispositif de blocage pour bloquer au moins partiellement un mouvement relatif - Google Patents

Dispositif de blocage pour bloquer au moins partiellement un mouvement relatif

Info

Publication number
EP1999534A1
EP1999534A1 EP07711919A EP07711919A EP1999534A1 EP 1999534 A1 EP1999534 A1 EP 1999534A1 EP 07711919 A EP07711919 A EP 07711919A EP 07711919 A EP07711919 A EP 07711919A EP 1999534 A1 EP1999534 A1 EP 1999534A1
Authority
EP
European Patent Office
Prior art keywords
blocking
permanent magnet
ball
blocking device
electromagnet
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
EP07711919A
Other languages
German (de)
English (en)
Other versions
EP1999534B1 (fr
Inventor
Andreas Kramlich
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.)
Preh GmbH
Original Assignee
Preh 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=38164367&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1999534(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Preh GmbH filed Critical Preh GmbH
Publication of EP1999534A1 publication Critical patent/EP1999534A1/fr
Application granted granted Critical
Publication of EP1999534B1 publication Critical patent/EP1999534B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G5/00—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
    • G05G5/06—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member for holding members in one or a limited number of definite positions only
    • 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
    • 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
    • E05B47/0038—Operating or controlling locks or other fastening devices by electric or magnetic means using permanent magnets
    • 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
    • E05B47/0657—Controlling mechanically-operated bolts by electro-magnetically-operated detents by locking the handle, spindle, follower or the like
    • E05B47/0661—Controlling mechanically-operated bolts by electro-magnetically-operated detents by locking the handle, spindle, follower or the like axially, i.e. with an axially engaging blocking element
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B77/00—Vehicle locks characterised by special functions or purposes
    • E05B77/22—Functions related to actuation of locks from the passenger compartment of the vehicle
    • E05B77/24—Functions related to actuation of locks from the passenger compartment of the vehicle preventing use of an inner door handle, sill button, lock knob or the like
    • E05B77/26—Functions related to actuation of locks from the passenger compartment of the vehicle preventing use of an inner door handle, sill button, lock knob or the like specially adapted for child safety
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
    • E05B85/10—Handles
    • 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
    • E05B2047/0007—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets with two or more electromagnets
    • 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
    • E05B47/0003—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets having a movable core
    • E05B47/0004—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets having a movable core said core being linearly movable
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/0014—Locks or fastenings for special use to prevent opening by children
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/02—Power-actuated vehicle locks characterised by the type of actuators used
    • E05B81/04—Electrical
    • E05B81/08—Electrical using electromagnets or solenoids

Definitions

  • Blocking device for at least partially blocking a relative movement
  • the present invention relates to a blocking device for at least partially blocking a relative movement between an immovable and a movable part of a device.
  • a generic blocking device in an operating element in which a ball can be brought into engagement with an introduced in the movable part of the operating element locking profile to block at least one movement of the movable part.
  • the ball is moved by an electromagnet between two end positions.
  • the electromagnet is arranged on one of the limbs of a U-shaped iron core.
  • a permanent magnet abuts one of its poles at the junction between the two legs. If the electromagnet is de-energized, the permanent magnet in the iron core forms a magnetic field that is identical in both legs of the iron core and holds the ball in its current position. While the electromagnet is energized, a superimposed magnetic field results in the iron core, through which the ball moves from its current position to the other end position.
  • the blocking device described above has several disadvantages.
  • the permanent magnet must generate a strong magnetic field in order to keep the ball in position even with vibrations. If the ball is still brought from its position by vibrations or other unwanted influences, there is the possibility that the ball unintentionally gets into its other end position and held there.
  • the individual components must be manufactured and arranged very precisely.
  • the ends of the legs of the iron core over their entire end face must have a constant distance from the running surface of the ball. This distance must not exceed a certain maximum value, since the magnetic force acting on the ball would otherwise be too small.
  • the distance between the legs of the iron core must be slightly larger than the distance between the two end positions of the ball, so that the end positions of the ball in a sufficiently strong area of the magnetic field. This leads to limitations in the design of the control.
  • a blocking device for at least partially blocking a relative movement between an immovable and a movable part of a device has according to claim 1 at least one permanent magnet, an electromagnet on a ferromagnetic core, a locking profile in the movable part and a blocking element, which can be brought into engagement with the locking profile, on.
  • the permanent magnet is movably arranged in the device and movable between at least two end positions.
  • the permanent magnet is disposed between the open end of the ferromagnetic core and the blocking element.
  • the blocking element is, for example, a magnetizable ball. In principle, the blocking element can have any suitable shape.
  • the blocking element consists of a magnetic or magnetizable material, so that a force is exerted on the blocking element by a magnetic field. In each of its end positions, the permanent magnet is located in the region of the end of a leg of the ferromagnetic core. The magnetic field of the permanent magnet extends into the legs of the ferromagnetic core and thus holds the permanent magnet in position.
  • a change in position of the permanent magnet is achieved in that the electromagnet is energized and, as a result, forms a magnetic field in the ferromagnetic core.
  • the current direction through the electromagnet and thus the direction of the magnetic field in the ferromagnetic core is selected so that the magnetic pole forms on the leg, in the region of which the permanent magnet is located, which corresponds to the ferromagnetic core facing pole of the permanent magnet. This leads to a repulsion of the permanent magnet from its current position to the other end position.
  • the movable permanent magnet is guided in such a way that overturning of the permanent magnet is prevented. Tipping over in this context means that the Permanent magnet rotates such that the ferromagnetic core of the other magnetic pole faces.
  • the blocking element which is located in the region of the magnetic field of the permanent magnet, follows the movement of the permanent magnet and is, for example, likewise movable between two end positions. In an end position, the blocking element is in engagement with the locking profile in the movable part of the device and thus blocks the movement of the movable part in at least one direction. In another end position, the blocking element is not engaged with the locking profile. Due to the relative proximity between the blocking element and the permanent magnet, a comparatively weak permanent magnet already leads to a strong magnetic force on the blocking element and thus to a high vibration resistance.
  • the ferromag netic core which consists for example of iron, formed substantially U-shaped.
  • the distances between the ferromagnetic core and the permanent magnet or the permanent magnet and the blocking element can be chosen significantly larger than in the known from the prior art operating element.
  • the electromagnet disposed on the ferromagnetic core and the movable permanent magnet form a mechanical, bi-stable flip-flop, the blocking element following the position of the permanent magnet.
  • a movable permanent magnet has a further advantage when the blocking element blocks the movement of the movable part of the device.
  • the blocking element is jammed in the locking contour and therefore can not leave its position with a correspondingly large clamping force.
  • the position change of the ball is achieved by a short energization of the electromagnet. If the ball is trapped during energization, it does not change its position.
  • the permanent magnet is always movable and changes its position even when the blocking element is clamped, when the electromagnet is energized accordingly.
  • the blocking element follows the movement of the permanent magnet as soon as it is no longer clamped, even when the electromagnet is no longer energized.
  • the blocking device according to the invention can be used, for example, as an actuator in an operating element, in particular a turntable or a joystick. In a device designed as a turntable, a rotation direction is blocked with the blocking device, for example, or a tilting direction in the case of a joystick.
  • the control element with a blocking device according to the invention can be used in particular in a motor vehicle.
  • the device is, for example, a door, in particular a door in a motor vehicle.
  • the blocking device With the blocking device, the opening of the door is blocked and thus the door lockable, for example, to restrict access or as a child safety.
  • the device is an ignition lock.
  • the ignition key can be locked in the lock, so that the key can not be removed, for example, while driving.
  • the device is an actuating device, for example an adjusting device for a steering wheel or a seat, in particular in a motor vehicle.
  • actuating device for example an adjusting device for a steering wheel or a seat, in particular in a motor vehicle.
  • FIG. 1 shows a section through an operating element with a blocking device according to the invention
  • FIG. 2 shows a section through the operating element from FIG. 1 along the section line A-A
  • FIG. 3 shows a section of the operating element from FIG. 1 in section along the line B-B
  • FIG. 4 shows the section from FIG. 3 with reverse energization of the electromagnet.
  • Figure 1 shows a sectional view of a device in the form of a control element designed as a turntable 1 with an immovable part 2, an at least partially blockable movable part 3 and two blocking devices according to the invention.
  • pockets 8 and 13 are introduced, in which balls 7 and 12 are mounted freely movable.
  • Adjacent to the pockets 8 and 13 are guide elements 15 and 16, respectively, which receive the translationally movable permanent magnets 6 and 11, respectively.
  • Adjacent to the guide elements 15 and 16 are U-shaped iron cores 5 and 10, each carrying an electromagnet 4 and 9, respectively.
  • the permanent magnets 6 and 11 are in the present example in moving the paper plane in and out of the paper plane.
  • the south poles of the permanent magnets 6 and 11 are shown dotted, the north pole hatched.
  • Figure 2 shows a part of a section through the turntable 1 of Figure 1 along the line A-A.
  • the ball 7 In the illustrated upper position of the ball 7 in the pocket 8, the ball 7 is in engagement with a locking profile 14 of the movable part 3. A movement of the movable part 3 to the right is blocked by the ball 7.
  • the ball 7 Upon movement of the movable part 3 to the left, the ball 7 is pressed to the left and does not block the movement.
  • the ball 7 is in the lower left corner of the pocket 8 and thus not engaged with the locking profile 14.
  • the permanent magnet 6 is shown in its upper position.
  • FIG 3 shows a sectional view of a portion of the turntable 1 of Figure 1 along the line B-B.
  • the electromagnet 4 is energized so that at the end of the upper leg of the iron core 5, a hatched illustrated magnetic north pole and at the end of the lower leg of the iron core 5 forms a dotted illustrated magnetic south pole.
  • the permanent magnet 6 rests with its south pole facing the iron core 5 on a running surface 17 of the guide element 15. Due to the magnetic attraction between the north pole in the upper leg of the iron core 5 and the south pole of the permanent magnet 6, the permanent magnet 6 is brought into its position shown in Figure 3 or held there. The permanent magnet 6 remains in this position even after switching off the electromagnet 4.
  • the magnetizable ball 7, which consists for example of steel, is attracted by the permanent magnet 6 and held in its position shown in Figure 3. There, the ball 7, as explained with reference to Figure 2, in engagement with the locking profile 14 of the movable part 3 and thus hinders the rotation of the movable part 3 in one direction.
  • FIG. 4 essentially shows the illustration from FIG. 3, the electromagnet 4 being energized this time such that a magnetic south pole forms at the end of the upper leg of the iron core 5 and a magnetic north pole at the end of the lower leg of the iron core 5. Due to the magnetic force between the iron core 5 and the permanent magnet 6, the permanent magnet 6 moves from its upper end position shown in FIG. 3 into the lower end position shown in FIG. Due to the magnetic attraction between the ball 7 and the permanent magnet 6, the ball 7 follows the movement of the permanent magnet 6 in the lower end position shown in Figure 4 within the pocket 8, which is shown in dashed lines in Figure 2. In this position, the ball 7 is not engaged with the locking profile 14th
  • the embodiment described above is purely exemplary and not limiting.
  • the blocking device consisting of the electromagnet, the ferromag netic core, the locking profile in the moving part, the blocking element and the movable permanent magnet not only in a turntable, but for example, in a rocker switch, a joystick, a door, an ignition, an actuator or any other device.
  • a single blocking device is possible, blocking both directions of rotation.
  • the ball does not roll, as shown in Figure 2, on an inclined plane of the bag, but straight up or down.
  • the north pole of the permanent magnet may also face the iron core, wherein the electromagnet is to be energized correspondingly opposite.

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Electromagnetism (AREA)
  • Lock And Its Accessories (AREA)
  • Revetment (AREA)
  • Road Signs Or Road Markings (AREA)
  • Vehicle Body Suspensions (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
EP07711919A 2006-03-29 2007-03-13 Dispositif de blocage pour bloquer au moins partiellement un mouvement relatif Active EP1999534B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006015294A DE102006015294A1 (de) 2006-03-29 2006-03-29 Blockiereinrichtung zur zumindest teilweisen Blockierung einer Relativbewegung
PCT/EP2007/002173 WO2007112830A1 (fr) 2006-03-29 2007-03-13 Dispositif de blocage pour bloquer au moins partiellement un mouvement relatif

Publications (2)

Publication Number Publication Date
EP1999534A1 true EP1999534A1 (fr) 2008-12-10
EP1999534B1 EP1999534B1 (fr) 2011-02-16

Family

ID=38164367

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07711919A Active EP1999534B1 (fr) 2006-03-29 2007-03-13 Dispositif de blocage pour bloquer au moins partiellement un mouvement relatif

Country Status (4)

Country Link
EP (1) EP1999534B1 (fr)
AT (1) ATE498864T1 (fr)
DE (2) DE102006015294A1 (fr)
WO (1) WO2007112830A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022254158A1 (fr) 2021-06-02 2022-12-08 Moving Magnet Technologies Dispositif de commande comportant un organe guidé mécaniquement pour permettre un déplacement relatif

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006018518B4 (de) 2005-07-19 2022-04-07 Preh Gmbh Bedienknopf mit integrierter Funktionalität
DE102019113111B4 (de) 2019-05-17 2022-08-04 Logicdata Electronic & Software Entwicklungs Gmbh Linearaktuator, Aktuatorsystem, Möbelstück und Verfahren zum Ansteuern eines Linearaktuators

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB881197A (en) * 1960-01-05 1961-11-01 Desmond Leslie Merrifield Magnetic alarm locks
JPS5440937B1 (fr) * 1970-10-23 1979-12-06
US5174417A (en) * 1991-02-07 1992-12-29 Inventio Ag Device and method for the actuating and unlatching of the shaft doors of an elevator
GB2297998A (en) * 1995-02-18 1996-08-21 Alistair Scott Day Magnetically operated security bolt
DE19646226A1 (de) * 1996-03-19 1998-05-14 Bayerische Motoren Werke Ag Bedienvorrichtung für menügesteuerte Funktionen eines Fahrzeugs
US6442986B1 (en) * 1998-04-07 2002-09-03 Best Lock Corporation Electronic token and lock core
DE19821899C2 (de) * 1998-05-15 2001-06-13 Siemens Ag Drehschalter, insbesondere Zündanlaßschalter
EP1030010A3 (fr) * 1999-02-19 2002-01-09 Abloy Oy Actionneur électromagnétique
DE202004006086U1 (de) * 2004-04-16 2004-07-22 Theis, Norbert Sperrelement für Türen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2007112830A1 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022254158A1 (fr) 2021-06-02 2022-12-08 Moving Magnet Technologies Dispositif de commande comportant un organe guidé mécaniquement pour permettre un déplacement relatif
FR3123736A1 (fr) * 2021-06-02 2022-12-09 Moving Magnet Technologies Dispositif de commande comportant un organe guidé mécaniquement pour permettre un déplacement relatif.

Also Published As

Publication number Publication date
EP1999534B1 (fr) 2011-02-16
DE502007006499D1 (de) 2011-03-31
ATE498864T1 (de) 2011-03-15
DE102006015294A1 (de) 2007-10-11
WO2007112830A1 (fr) 2007-10-11

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