EP4092229B1 - Durch einen elektrisch betätigten schliessmechanismus verschliessbares türschloss und die verwendung eines solchen schlosses - Google Patents

Durch einen elektrisch betätigten schliessmechanismus verschliessbares türschloss und die verwendung eines solchen schlosses Download PDF

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Publication number
EP4092229B1
EP4092229B1 EP21175132.6A EP21175132A EP4092229B1 EP 4092229 B1 EP4092229 B1 EP 4092229B1 EP 21175132 A EP21175132 A EP 21175132A EP 4092229 B1 EP4092229 B1 EP 4092229B1
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EP
European Patent Office
Prior art keywords
rocker
magnetic
electromagnet
handle shaft
pillar
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP21175132.6A
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English (en)
French (fr)
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EP4092229C0 (de
EP4092229A1 (de
Inventor
Joseph Talpe
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Locinox NV
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Locinox NV
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Priority to EP21175132.6A priority Critical patent/EP4092229B1/de
Publication of EP4092229A1 publication Critical patent/EP4092229A1/de
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Publication of EP4092229B1 publication Critical patent/EP4092229B1/de
Publication of EP4092229C0 publication Critical patent/EP4092229C0/de
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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
    • E05B47/0657—Controlling mechanically-operated bolts by electro-magnetically-operated detents by locking the handle, spindle, follower or the like
    • E05B47/0665—Controlling mechanically-operated bolts by electro-magnetically-operated detents by locking the handle, spindle, follower or the like radially
    • E05B47/0669—Controlling mechanically-operated bolts by electro-magnetically-operated detents by locking the handle, spindle, follower or the like radially with a pivotally moveable blocking element
    • 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
    • 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
    • E05B2047/0072—Operation
    • E05B2047/0079—Bi-stable electromagnet(s), different pulse to lock or unlock

Definitions

  • the present invention relates to a door lock lockable by an electrically actuated locking mechanism, as well as to a use of such a door lock.
  • a door lock of the type defined above is disclosed in patent publication EP1526235 .
  • the door lock disclosed in said publication in particular comprises a rocker that is pivotally supported by the pivot shaft at its second end.
  • a spring is provided in order to bias the rocker in its first position, i.e. to bias the locking mechanism towards the locking state.
  • the electrical actuating assembly comprises an electromagnet provided under the rocker. In order to move the rocker from its first position towards its second position i.e. in order to bring the locking mechanism towards the unlocking state, the electromagnet is energized such that the magnetic attraction of the rocker towards the electromagnet overcomes the force of the spring. In order to maintain the rocker in the second position, i.e.
  • the electromagnet needs to remain energized.
  • the door lock disclosed in said patent publication thus has the disadvantage that energy consumption is high, i.e. that the electromagnet needs to remain energized in order to maintain the locking mechanism in the unlocking state. This has as a pejorative consequence that the energy sources provided in the door lock require rapid replacement, or that the door lock must be energized through the electrical net.
  • US 2021/102408 A1 discloses a door-locking device including an actuator; a locking pin controllable by the actuator and adapted to cooperate with a movable latching slider to lock a door of an electrical household appliance, the locking pin being movable between a rest position, wherein the locking pin allows the latching slider to move, and a lock position, wherein the locking pin prevents the latching slider from moving; a detection switch able to switch between an open position and a closed position following a movement of the latching slider, the detection switch including a fixed contact element and a movable contact element resiliently stressed in closure towards the fixed contact element, and a movable control member interacting with the movable contact.
  • the control member is also movable by a movement of the locking pin.
  • the door lock of the present invention overcomes the problem encountered in the door lock of the prior art. Therefore, the present invention provides a door lock for locking a door as described in the first claim.
  • the door lock of the present invention comprises: a locking mechanism, which locking mechanism is arranged to be brought in two states, namely in a locking state wherein door lock is arranged to lock the door and in an unlocking state wherein door lock is arranged to unlock the door, i.e. not to lock the door.
  • the locking door lock preferably also comprises a frame.
  • the locking mechanism comprises a pivot shaft, preferably mounted on the frame and, extending in a direction of a pivoting axis.
  • the locking mechanism further comprises a rocker substantially made of magnetically soft material, i.e. easily magnetizeable and demagnetizeable ferromagnetic material as opposed to magnetically hard material of which permanent magnets are made.
  • the rocker extends between a first end and a second end, i.e. the rocker has an elongated shape along a length direction and is delimited in said length direction by the first and second ends.
  • the rocker is a plate having a longest dimension in the length direction of the plate and a shortest dimension in the thickness direction of the plate.
  • the rocker might be flat plate shaped, but preferably at least one side surface of the plate is bended such as to have a V-shape as will be explained below.
  • the rocker is provided with a blocking element at its first end.
  • the rocker is pivotally supported by the pivot shaft such as to allow a rotation of the rocker around the pivoting axis between on the one hand a first position wherein the blocking element is arranged to lock the door, and on the other hand a second position wherein the blocking element is arranged to unlock the door, i.e. to not lock the door.
  • the locking mechanism further comprises an actuating assembly, preferably mounted on the frame, for moving said rocker between its first and second positions.
  • the first magnetic half circuit is substantially U-shaped, wherein the first inner and first outer pillar form the upward legs of the U-shape.
  • the first magnetic half-circuit comprises first magnetic conductors of soft magnetic material, a first permanent magnet arranged to impart opposing magnetic polarities (i.e. magnetic north vs. magnetic south or vice versa) of a given strength (i.e. of a given number of Tesla) on the first inner pillar and the first outer pillar, in particular on the free ends of these pillars.
  • the first magnetic half circuit further comprises a first electromagnet provided on a section of the first magnetic conductors.
  • the first electromagnet is arranged to reinforce or reduce the strength of the magnetic polarity imparted by the first permanent magnet on the first inner pillar and outer pillar, in particular on the free ends of these pillars, i.e. the first electromagnet is arranged to respectively increase or decrease the amount of tesla on the first inner and first outer pillar, in particular on the free ends of these pillars.
  • the first magnetic half circuit is arranged to hold, by means of the first permanent magnet, the rocker in the second position after the rocker has been moved to the second position and whilst the first electromagnet (and optionally the second electromagnet as described below) is not energized.
  • the first magnetic half-circuit holds the rocker by means of the magnetic attraction of the first section of the rocker to the first magnetic half circuit, because the rocker has the tendency to maintain the low permeability of the first closed magnetic circuit, i.e. the substantive absence of air gaps in said circuit, such as to contain the magnetic field of the first permanent magnet in said first closed magnetic circuit.
  • the door lock of the present invention thus enables to maintain the locking mechanism in the unlocking state without energizing the electromagnet(s).
  • the actuating assembly further comprises a second magnetic half-circuit providing a magnetically conductive path, i.e. a path of low magnetic reluctance for example not interrupted by airgaps, between a second outer pillar and a second inner pillar, in particular between the free ends of these pillars.
  • the second inner pillar lies closer to the pivot shaft than does the second outer pillar.
  • the second outer pillar and the second inner pillar, in particular the free ends of these pillars are arranged to lie adjacent to the second section of the rocker when the rocker is in the first position such that the second magnetic half circuit forms a second closed magnetic circuit, i.e.
  • the second magnetic half circuit is substantially U-shaped, wherein the second inner and second outer pillars form the upward legs of the U-shape.
  • the second magnetic half-circuit comprises second magnetic conductors of soft magnetic material, a second permanent magnet arranged to impart opposing magnetic polarities (i.e. magnetic north vs. magnetic south or vice versa) of a given strength (i.e. of a given number of Tesla) on the second inner pillar and the second outer pillar, in particular on the free ends of these pillars.
  • the second magnetic half circuit is arranged to hold, by means of the second permanent magnet, the rocker in the first position after the rocker has been moved to the first position and whilst the second electromagnet (and optionally the first electromagnet as described above) is not energized.
  • the second magnetic half-circuit holds the rocker by means of the magnetic attraction of the second section of the rocker to the second magnetic half circuit, because the rocker has the tendency to maintain the low permeability of the second closed magnetic circuit, i.e. the substantive absence of air gaps in said circuit, such as to contain the magnetic field of the second permanent magnet in said second closed magnetic circuit.
  • the door lock of the present invention thus enables to maintain the locking mechanism in the locking state without energizing the electromagnet(s).
  • the rocker is arranged to be moved from the first position to the second position by energizing the first electromagnet such as to reinforce the strength of the magnetic polarities imparted by the first permanent magnet on the first inner and outer pillars, in particular on the free ends of these pillars (i.e. to increase the amount of Tesla on the first inner and outer pillars, in particular on the free ends of these pillars), and wherein the rocker is furthermore arranged to be moved from the second position to the first position by energizing the first electromagnet such as to reduce the strength of the magnetic polarities imparted by the first permanent magnet on the first inner and outer pillars, in particular on the free ends of these pillars (i.e.
  • the door lock of the present invention thus enables to switch the locking mechanism between the locking state and the unlocking state by merely briefly energizing one or both of the electromagnets, and to subsequently hold the locking mechanism in the locking state or unlocking state by means of permanent magnets.
  • the door lock of the present invention could be referred to as a door lock which is lockable by an electrically actuated bi-stable locking mechanism.
  • the first and second electromagnet are separate electronic circuits. This embodiments clarifies that the first electromagnet is distinct from the second electromagnet such that the strength of the magnetic polarity in the first and second magnetic half circuits can be independently controlled by means of respectively the first and second electromagnet.
  • the first and second magnetic half circuits are magnetically isolated from each other.
  • This magnetic isolation preferably implies that the first outer pillar is distinct from the second outer pillar, that the first inner pillar is distinct from the second inner pillar, that the first magnetic conductors are not integrally connected to the second magnetic conductors, and that the first permanent magnet is distinct from the second permanent magnet.
  • Providing magnetically isolated first and second magnetic half circuits has the advantage that the magnetic flux in the first magnetic half circuit does not disturb the magnetic flux in the second magnetic half circuit thereby improving the independent control of the repulsion and attraction of the rocker to the first or second magnetic half circuit.
  • door not only refers to doors in walls, but also to other similar structures that close of an area such as gates in fences or windows in walls.
  • the door lock further comprises
  • the locking mechanism is arranged for locking the latch bolt either directly or by locking the handle shaft follower.
  • the latch bolt is movably mounted on the frame between the locking and the unlocking position by means of at least one handle i.e. the latch bolt is movable by moving at least one handle.
  • the handle shaft follower comprises a handle shaft channel extending along an axis in a longitudinal direction.
  • the handle shaft channel is arranged for receiving a handle shaft for said handle.
  • the handle shaft follower is pivotally mounted on the frame around its axis in the longitudinal direction between a first and a second angular position, such that in use the handle shaft follower rotates between the first and the second angular position upon rotation of the handle shaft between the first and the second angular position.
  • the mechanism for actuating the latch bolt is a mechanism for actuating the latch bolt upon rotation of the handle shaft follower to move the latch bolt from its locking to its unlocking position when the handle shaft follower is rotated from its first angular position to its second angular position and to move the latch bolt from its unlocking to its locking position when the handle shaft follower is rotated from its second angular position to its first angular position.
  • the locking mechanism is arranged for locking the handle shaft follower instead of directly locking the latch bolt.
  • the locking mechanism is arranged to be brought in two states, namely in the locking state wherein the handle shaft follower is locked in its first angular position and in the unlocking state wherein the handle shaft follower is unlocked.
  • the rocker is pivotally supported by the pivot shaft such as to allow, in the first angular position of the handle shaft follower, a rotation of the rocker around the pivoting axis between on the one hand the first position wherein the blocking element blocks the rotation of the handle shaft follower around its longitudinal axis, for example by coming in the movement path of a lever attached to the handle shaft follower, such as to lock the handle shaft follower in its first angular position, and on the other hand the second position wherein the handle shaft follower is unlocked.
  • the blocking element is preferably an element configured for blocking the rotation of the handle shaft follower, for example the blocking element is a part of the plate of the rocker which comes in the movement path of the handle shaft follower or of a lever attached to the handle shaft follower.
  • the locking mechanism comprises a locking lever which is fixed to the handle shaft follower so that it rotates together with the handle shaft follower about the longitudinal axis thereof.
  • the blocking element is arranged to cooperate with the locking lever to lock the handle shaft follower in its first angular position, so that in the locking state of the locking mechanism, the locking lever is locked behind the blocking element whereas, in the unlocking state of the locking mechanism, the blocking element is shifted with respect to the locking lever so that the locking lever can pass the blocking element when the handle shaft follower moves between its first and second angular positions.
  • the channel of the handle shaft follower has a shape in a cross-section with a plane perpendicular to the longitudinal direction
  • the above mentioned shape of the handle shaft follower channel is non-circular, preferably rectangular.
  • the above mentioned shape substantially corresponds to the shape of the handle shaft taken in a cross-section with a plane perpendicular to the longitudinal direction.
  • the first and second permanent magnets are arranged to impart a similar magnetic polarity to the inner pillars, in particular on their free ends, and a similar magnetic polarity to the outer pillars, in particular on their free ends.
  • the first and second permanent magnets for example impart a north pole onto the inner pillars, in particular on their free ends, and a south pole on the outer pillars, in particular on their free ends.
  • This embodiment has the advantage that the magnetic flux leak between the first and second magnetic half circuits is reduced.
  • the strength of the imparted magnetic polarity by the first permanent magnet and the second permanent magnet respectively on the first magnetic half circuit and the second magnetic half circuit is substantially the same i.e. in both the first and second magnetic half circuits substantially the same amount of magnetic flux is generated.
  • This embodiment has the advantage of creating a balanced system, thereby facilitating the control of the electromagnets such as to move the rocker.
  • the rocker can be moved from the first position to the second position on the one hand by energizing the first electromagnet such as to reinforce the strength of the magnetic polarities imparted by the first permanent magnet on the first inner and outer pillars, in particular on the free ends of these pillars, and on the other hand by energizing the second electromagnet such as to reduce the magnetic polarities imparted by the second permanent magnet on the second inner and outer pillars, in particular on the free ends of these pillars, and wherein the rocker can be moved from the second position to the first position on the one hand by energizing the first electromagnet such as to reduce the magnetic polarities imparted by the first permanent magnet on the first inner and outer pillars, in particular on the free ends of these pillars, and on the other hand by energizing the second electromagnet such as reinforce the strength of the magnetic polarities imparted by the second permanent magnet on the second inner and outer pillars, in particular on the
  • the reinforcement of the strength of the magnetic polarities in the one magnetic half circuit and the simultaneous reduction of the strength of the magnetic polarities in the other magnetic half circuit is such that the rocker moves from the one position to the other with a minimum of required electrical energy.
  • the reduction of the strength of the magnetic polarities corresponds to substantially neutralizing the magnetic polarities imparted in the magnetic half circuit in question, in particular on the free ends of its pillars.
  • the electromagnet In order to neutralize the magnetic polarities imparted on the inner and outer pillars, in particular on the free ends of these pillars, the electromagnet must be energized just enough to counter the magnetic field generated by the permanent magnet is the magnetic half circuit in question (i.e. the first or second magnetic half circuit).
  • the first and second electromagnets are not both provided in their respective inner pillars.
  • none of the first and second electromagnet is provided in its respective inner pillar.
  • the first and second electromagnets are respectively provided in the first and second outer pillars. Not providing both the electromagnets on the inner pillars has the advantage that the bulky electromagnets do not hinder each other. Indeed, the electromagnets take up a lot of space, and placing them both next to each other, i.e. both on an inner pillar, increases the assembly complexity.
  • the inner pillars are positioned next to each other along the direction of the pivot axis as described below, placing both electromagnets on their respective inner pillar requires increasing the width of the rocker, thereby increasing the mass that has to be moved when moving the rocker, thereby increasing the required energy to operate the lock.
  • the first and second permanent magnets are respectively provided in the first and second inner pillars.
  • the distance between the first inner pillar and the first outer pillar is substantially equal to the distance between the second inner pillar and the second outer pillar.
  • the distance between the first inner pillar and the pivot shaft is substantially equal to the distance between the second inner pillar and the pivot shaft.
  • the first outer pillar is arranged to lie adjacent to a contact point in the first section of the rocker when the rocker is in the second position, wherein the contact point is distinct from the first end of the rocker.
  • This embodiment preferably entails to energize the second electromagnet with the "release” energy level and optionally to energize the first electromagnet with the "attract” energy level upon moving the rocker from the first position to the second position.
  • This embodiment preferably entails to energize the first electromagnet with the "release” energy level and optionally to energize the second electromagnet with the "attract” energy level upon moving the rocker from the second position to the first position.
  • the predetermined energy levels are factory set and are optionally resettable by a set-point determination program as described below.
  • the predetermined energization levels preferably correspond to predetermined voltage levels, i.e. to a predetermined "release” or “attract” voltage level to be applied to the first electromagnet and a predetermined "release” or “attract” voltage level to be applied to the second electromagnet.
  • the upward movement of the key actuator further actuates a key lever, by rotating the key lever such that the latch bolt moves from the locking to the unlocking position independent of the state of the locking mechanism.
  • the sensor assembly comprises a Hall sensor arranged to detect the position of the key actuator, thereby providing a signal to the controller upon sensing the upward position of the key actuator.
  • the sensor assembly comprises two Hall sensors such as to perform a differential measurement, thereby alleviating the risk of tempering with the sensors by vandals for example by using an external magnet.
  • the differential sensor emits a signal to the controller if one of the two sensors, i.e. the one sensor that is placed adjacent to the position of the key actuator when the key actuator is in the upward position, measures the presence of the key actuator, whilst the other sensor does not sense such presence.
  • the use comprises, as described above, that, upon instruction by the user to unlock the latch bolt, the rocker is moved from the first position to the second position by energizing the second electromagnet such as to reduce the strength of the magnetic polarities imparted by the second permanent magnet on the second inner and outer pillars, in particular on the free ends of these pillars, and preferably additionally by energizing the first electromagnet such as to reinforce the strength of the magnetic polarities imparted by the first permanent magnet on the first inner and outer pillars, in particular on the free ends of these pillars.
  • This maintenance in the first position is due to the magnetic attraction of the second portion of the rocker to the second magnetic half-circuit.
  • the use further comprises, as described above, that the rocker is maintained in the second position without energizing the first and second electromagnet, i.e. without needing to energize any of the first or the second electromagnet.
  • This maintenance in the second position is due to the magnetic attraction of the first portion of the rocker to the first magnetic half-circuit.
  • the use comprises, as described above, that, upon instruction by the user to lock or unlock the latch bolt, the controller maintains the energization levels up to the earliest of the determination of the flipping of the rocker from the first position to the second position by the sensor and the reaching of the predetermined time-out period.
  • the controller preferably performs, as described above, a set-point determination program in case the following situation occurs once or a predetermined amount of times: the time-out period is reached prior to the sensor determining that the rocker has flipped from the first position to the second position or vice versa.
  • the set-point determination program preferably comprises, as described above, the controller modulating the energy level delivered by the energy source in a sweeping manner and the controller setting the energization levels to the modulated energy levels at which the sensor determines that the rocker has flipped from the first position to the second position or vice versa.
  • the door lock 1 is suitable for attachment to a turning fence gate (not shown).
  • the attachment of the electrical lock 1 to the fence gate is done by providing two attachment bolts (not shown) which are connectable to a post of the fence gate.
  • the electrical lock 1 comprises a frame comprising a base plate 23 and a side plate 24.
  • the side plate 24 is substantially perpendicular to the base plate 23.
  • the side plate 24 is arranged to lie adjacent to the post of the fence gate on which the electrical lock 1 is attached.
  • the side plate 24 lies perpendicular to the door width direction, i.e. the direction along the width of the fence gate door.
  • the base plate 23 lies perpendicular to the door thickness direction, i.e. the direction along the thickness of the fence gate door.
  • the base plate 23 comprises a follower opening for receiving a handle shaft follower 18, as well as a keyhole opening 26.
  • the side plate 24 comprises a latch bolt opening for receiving a latch bolt 19.
  • the frame has mounted thereon the following elements:
  • the lock also comprises an additional handle shaft follower 45.
  • This additional handle shaft follower 45 is arranged to actuate the latch bolt independently of the state of the locking mechanism.
  • Figure 3 furthermore shows a keypad 46, in which the user of the door lock has to enter a password in order to actuate the locking mechanism.
  • Figure 3 furthermore shown the key cylinder 47 for receiving the key, and the pin 48 of the key cylinder 47.
  • the locking mechanism 2 comprises a pivot shaft 3 mounted on the frame 1 and extending in a direction of a pivoting axis.
  • the pivoting axis lies parallel to the longitudinal direction of the handle shaft channel 27.
  • the locking mechanism 2 further comprises a rocker 4 substantially made of magnetically soft material, i.e. easily magnetizeable and demagnetizeable ferromagnetic material as opposed to magnetically hard material of which permanent magnets are made.
  • the rocker 4 extends between a first end 5 and a second end 6, i.e. the rocker 4 has an elongated shape along a length direction and is delimited in said length direction by the first and second ends 5, 6.
  • the rocker 4 is a plate having a longest dimension in the length direction of the plate and a shortest dimension in the thickness direction of the plate.
  • the plate of the rocker 4 has at least one side surface which is bended such as to have a V-shape.
  • the rocker 4 is pivotally supported by the pivot shaft 3 at the apex of the V-shape.
  • the rocker 4 is provided with a blocking element 7 at its first end 5.
  • the blocking element 7 is an element configured for blocking the rotation of the handle shaft follower 18, and is merely a part of the plate of the rocker 4 which comes in the movement path of a locking lever 28 attached to the handle shaft follower 18.
  • the locking lever 28 is fixed to the handle shaft follower 18 so that it rotates together with the handle shaft follower 18 about the longitudinal axis thereof.
  • the blocking element 7 is arranged to cooperate with the locking lever 28 to lock the handle shaft follower 18 in its first angular position, so that in the locking state of the locking mechanism 2, the locking lever 28 is locked behind the blocking element 7 whilst, in the unlocking state of the locking mechanism 2, the blocking element 7 is shifted with respect to the locking lever 28 so that the locking lever 28 can pass the blocking element 7 when the handle shaft follower 18 moves between its first and second angular positions.
  • the rocker 4 is pivotally supported by the pivot shaft 3 such as to allow, in the first angular position of the handle shaft follower 18, a rotation of the rocker 4 around the pivoting axis between on the one hand a first position wherein the blocking element 7 blocks the rotation of the handle shaft follower 18 around its longitudinal axis by coming in the movement path of a locking lever 28 attached to the handle shaft follower 18, such as to lock the handle shaft follower 18 in its first angular position, and on the other hand a second position wherein the handle shaft follower 18 is unlocked.
  • the locking mechanism 2 further comprises an actuating assembly mounted on the frame 1 for moving said rocker 4 between its first and second positions.
  • the pivot shaft 3 supports the rocker 4 at a position between the first end 5 and the second end 6 of the rocker 4, i.e. at the apex of the V-shaped surface which is directed towards the magnet, such as to form a seesaw having a first section extending between the first end 5 of the rocker 4 and the pivot shaft 3, and a second section extending between the second end 6 of the rocker 4 and the pivot shaft 3.
  • the first section and the second section form the legs of the above mentioned V-shape.
  • the actuating assembly comprises a first magnetic half-circuit 8 providing a magnetically conductive path, i.e.
  • a path of low magnetic reluctance for example not interrupted by airgaps between a first outer pillar 9 and a first inner pillar 10, in particular between the free end 91 of the first outer pillar 9 and the free end 101 of the first inner pillar.
  • the first inner pillar 10 lies closer to the pivot shaft 3 than does the first outer pillar 9.
  • the first outer pillar 9 and the first inner pillar 10, in particular their free ends 91, 101, are arranged to lie adjacent to the first section of the rocker 4 when the rocker 4 is in the second position such that the first magnetic half circuit forms a first closed magnetic circuit, i.e.
  • the first magnetic half circuit 8 is substantially U-shaped, wherein the first inner and first outer pillar 9, 10 form the upward legs of the U-shape.
  • the first magnetic half-circuit comprises first magnetic conductors of soft magnetic material 11a, 11b, 11c, a first permanent magnet 12 arranged to impart opposing magnetic polarities (i.e. magnetic north vs. magnetic south or vice versa) of a given strength (i.e.
  • the first electromagnet 13 is arranged to reinforce or reduce the strength of the magnetic polarity imparted by the first permanent magnet 12 on the first inner pillar 10 and first outer pillar 9, in particular on their free ends 91, 101 i.e. the first electromagnet 13 is arranged to respectively increase or decrease the amount of tesla on the first inner and first outer pillar 9, 10.
  • the first magnetic half circuit 8 is arranged to hold, by means of the first permanent magnet 12, the rocker 4 in the second position after the rocker 4 has been moved to the second position and whilst the first electromagnet 13 and the second electromagnet 20 (as described below) are not energized.
  • the first magnetic half-circuit 8 holds the rocker 4 by means of the magnetic attraction of the first section of the rocker 4 to the first magnetic half circuit 8, because the rocker 4 has the tendency to maintain the low permeability of the first closed magnetic circuit, i.e. the substantive absence of air gaps in said circuit, such as to contain the magnetic field of the first permanent magnet in said first closed magnetic circuit.
  • the actuating assembly further comprises a second magnetic half-circuit 14 providing a magnetically conductive path, i.e.
  • a path of low magnetic reluctance for example not interrupted by airgaps between a second outer pillar 15 and a second inner pillar 16, in particular between the free end 151 of the second outer pillar 15 and the free end 161 of the second inner pillar 16.
  • the second inner pillar 16 lies closer to the pivot shaft 3 than does the second outer pillar 15.
  • the second outer pillar 15 and the second inner pillar 16 are arranged to lie adjacent to the second section of the rocker 4 when the rocker 4 is in the first position such that the second magnetic half circuit 14 forms a second closed magnetic circuit, i.e. a circuit of low magnetic reluctance for example only minimally interrupted by airgaps, in combination with the second section of the rocker when the rocker is in the first position.
  • the second magnetic half circuit 14 is substantially U-shaped, wherein the second inner and second outer pillars 15, 16 form the upward legs of the U-shape.
  • the second magnetic half-circuit 14 comprises second magnetic conductors 17a, 17b, 17c of soft magnetic material, a second permanent magnet 21 arranged to impart opposing magnetic polarities (i.e. magnetic north vs. magnetic south or vice versa) of a given strength (i.e. of a given number of Tesla) on the second inner pillar 16 and the second outer pillar 15, in particular on their free ends 151, 161, and a second electromagnet 20 provided on a section of the second magnetic conductors 17a.
  • the second electromagnet 20 is arranged to reinforce or reduce the strength of the magnetic polarity imparted by the second permanent magnet 21 on the second inner pillar 16 and second outer pillar 15, in particular on their free ends 151, 161 i.e. the second electromagnet is arranged to respectively increase or decrease the amount of tesla on the second inner and second outer pillar.
  • the second magnetic half circuit 14 is arranged to hold, by means of the second permanent magnet 21, the rocker 4 in the first position after the rocker 4 has been moved to the first position and whilst the second electromagnet 20 and the first electromagnet 13 are not energized.
  • the second magnetic half-circuit 14 holds the rocker 4 by means of the magnetic attraction of the second section of the rocker 4 to the second magnetic half circuit 14, because the rocker 4 has the tendency to maintain the low permeability of the second closed magnetic circuit, i.e. the substantive absence of air gaps in said circuit, such as to contain the magnetic field of the second permanent magnet in said second closed magnetic circuit.
  • the first electromagnet 13 is distinct from the second electromagnet 20 such that the strength of the magnetic polarity in the first and second magnetic half circuits 8, 14 can be independently controlled by means of respectively the first and second electromagnet 13, 20.
  • the first and second magnetic half circuits 8, 14 are separated from each other by a non-ferromagnetic material, thereby providing magnetically isolated first and second magnetic half circuits 8, 14.
  • the first and second permanent magnets 12, 21 are respectively provided in the first and second inner pillars 10, 16.
  • the first and second electromagnets 13, 20 are respectively provided in the first and second outer pillars 9, 15.
  • the first inner pillar 10 and the second inner pillar 16 are provided adjacent to the pivot shaft 3.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Lock And Its Accessories (AREA)

Claims (15)

  1. Ein Türschloss zum Verschließen einer Tür, wobei dieses Türschloss Folgendes umfasst:
    einen Schließmechanismus (2), wobei dieser Schließmechanismus angeordnet ist, um in zwei Zustände gebracht zu werden, und zwar in einen Verriegelungszustand, in dem das Türschloss angeordnet ist, um die Tür zu verschließen, und in einen Entriegelungszustand, in dem das Türschloss angeordnet ist, um die Tür aufzuschließen, wobei der erwähnte Schließmechanismus Folgendes umfasst:
    • eine Drehwelle (3), welche sich in eine Richtung einer Drehachse erstreckt,
    • einen Kipphebel (4), im Wesentlichen hergestellt aus magnetisch weichem Material, welcher sich zwischen einem ersten Ende (5) und einem zweiten Ende (6) erstreckt und mit einem Blockierelement (7) an seinem ersten Ende versehen ist, wobei der Kipphebel durch die Drehwelle (3) drehbar derart unterstützt wird, um eine Drehung des Kipphebels (4) rund um die Drehachse zwischen einerseits einer ersten Position, in der das Blockierelement (7) angeordnet ist, um die Tür zu verriegeln, und andererseits einer zweiten Position, in der das Blockierelement (7) angeordnet ist, um die Tür zu entriegeln, zu ermöglichen; und
    • eine elektrische Betätigungsanordnung, um den erwähnten Kipphebel zwischen seiner ersten und seiner zweiten Position zu bewegen,
    wobei
    • die Drehwelle (3) den Kipphebel (4) an einer Position zwischen dem ersten Ende (5) und dem zweiten Ende (6) des Kipphebels (4) derart unterstützt, um eine Wippe zu bilden, die einen ersten Abschnitt hat, welcher sich zwischen dem ersten Ende (5) des Kipphebels (4) und der Drehwelle (3) erstreckt, und einen zweiten Abschnitt, welcher sich zwischen dem zweiten Ende (6) des Kipphebels (4) und der Drehwelle (3) erstreckt,
    • die elektrische Betätigungsanordnung eine erste Magnetkreishälfte (8) umfasst, welche eine magnetische Leiterbahn zwischen einer ersten äußeren Stütze (9) und einer ersten inneren Stütze (10) bereitstellt, wobei die erste innere Stütze (10) dichter an der Drehwelle (3) liegt als die erste äußere Stütze (9), und wobei die erste äußere Stütze (9) und die erste innere Stütze (10) angeordnet sind, um an den ersten Abschnitt des Kipphebels (4) anzuliegen, wenn der Kipphebel (4) in der zweiten Position ist, sodass die erste Magnetkreishälfte (8) einen ersten geschlossenen Magnetkreis in Kombination mit dem ersten Abschnitt des Kipphebels (4) bildet, wenn sich der Kipphebel (4) in der zweiten Position befindet, wobei die erste Magnetkreishälfte (8) erste magnetische Leiter (11a, 11b, 11c) aus weichem magnetischem Material umfasst, einen ersten Dauermagneten (12), angeordnet, um entgegengesetzte magnetische Polaritäten einer bestimmten Stärke auf die erste innere Stütze (10) und die erste äußere Stütze (9) zu vermitteln, und einen ersten Elektromagneten (13), bereitgestellt auf einem Abschnitt der ersten magnetischen Leiter (11a), wobei der erste Elektromagnet (13) angeordnet ist, um die Stärke der durch den ersten Dauermagneten (12) auf die erste innere Stütze (10) und die erste äußere Stütze (9) vermittelten magnetischen Polarität zu erhöhen oder zu reduzieren, und wobei die erste Magnetkreishälfte (8) angeordnet ist, um, mittels des ersten Dauermagneten (12), den Kipphebel (4) in der zweiten Position zu halten, nachdem der Kipphebel (4) in die zweite Position bewegt wurde und während der erste Elektromagnet (13) nicht erregt ist,
    • die Betätigungsanordnung ferner eine zweite Magnetkreishälfte (14) umfasst, welche eine magnetische Leiterbahn zwischen einer zweiten äußeren Stütze (15) und einer zweiten inneren Stütze (16) bereitstellt, wobei die zweite innere Stütze (16) dichter an der Drehwelle (3) liegt als die zweite äußere Stütze (15), wobei die zweite äußere Stütze (15) und die zweite innere Stütze (16) angeordnet sind, um an den zweiten Abschnitt des Kipphebels (4) anzuliegen, wenn der Kipphebel (4) in der ersten Position ist, sodass die zweite Magnetkreishälfte (14) einen zweiten geschlossenen Magnetkreis in Kombination mit dem zweiten Abschnitt des Kipphebels (4) bildet, wenn sich der Kipphebel (4) in der ersten Position befindet, wobei die zweite Magnetkreishälfte (14) zweite magnetische Leiter (17a, 17b, 17c) aus weichem magnetischem Material umfasst, einen zweiten Dauermagneten (21), angeordnet, um entgegengesetzte magnetische Polaritäten einer bestimmten Stärke auf die zweite innere Stütze (16) und die zweite äußere Stütze (15) zu vermitteln, und einen zweiten Elektromagneten (20), bereitgestellt auf einem Abschnitt der zweiten magnetischen Leiter (17a), wobei der zweite Elektromagnet (20) angeordnet ist, um die Stärke der durch den zweiten Dauermagneten (21) auf die zweite innere Stütze (16) und die zweite äußere Stütze (15) vermittelten magnetischen Polarität zu erhöhen oder zu reduzieren, und wobei die zweite Magnetkreishälfte (14) angeordnet ist, um, mittels des zweiten Dauermagneten (21), den Kipphebel (4) in der ersten Position zu halten, nachdem der Kipphebel (4) in die erste Position bewegt wurde und während der zweite Elektromagnet (20) nicht erregt ist, und
    • wobei der Kipphebel (4) angeordnet ist, um aus der ersten Position in die zweite Position bewegt zu werden, indem der zweite Elektromagnet (20) derart erregt wird, um die Stärke der durch den zweiten Dauermagneten (21) auf die zweite innere und die zweite äußere Stütze (15, 16) vermittelten magnetischen Polaritäten zu reduzieren, und wobei der Kipphebel (4) ferner angeordnet ist, um aus der zweiten Position in die erste Position bewegt zu werden, indem der erste Elektromagnet (13) derart erregt wird, um die Stärke der durch den ersten Dauermagneten (12) auf die erste innere und die erste äußere Stütze (9, 10) vermittelten magnetischen Polaritäten zu reduzieren, und
    • wobei der erste Elektromagnet (13) und der zweite Elektromagnet (20) getrennte elektronische Kreisläufe sind und wobei die erste und die zweite Magnetkreishälfte magnetisch voneinander isoliert sind.
  2. Das Türschloss nach dem vorigen Anspruch, wobei das Türschloss ferner Folgendes umfasst:
    • einen Rahmen (1);
    • einen Riegelbolzen (19), beweglich auf dem Rahmen (1) zwischen einer Verriegelungsposition und einer Entriegelungsposition montiert;
    • einen Griffschaftaufhalter (18), angeordnet, um durch einen Benutzer des Türschlosses betätigt zu werden;
    • einen Mechanismus zum Betätigen des Riegelbolzens (19) bei Betätigung des Griffschaftaufhalters, um den Riegelbolzen (19) aus seiner Verriegelungs- in seine Entriegelungsposition zu bewegen, wenn der Griffschaftaufhalter (18) betätigt wird; und
    wobei der Schließmechanismus (2) angeordnet ist, um den Riegelbolzen (19) entweder direkt oder durch Verriegeln des Griffschaftaufhalters (18) zu verriegeln.
  3. Das Türschloss nach dem vorigen Anspruch,
    • wobei der Riegelbolzen (19) auf dem Rahmen (1) zwischen der Verriegelungs- und der Entriegelungsposition beweglich mittels zumindest eines Griffs montiert ist,
    • wobei der Griffschaftaufhalter (18) einen Griffschaftkanal umfasst, welcher sich entlang einer Achse in einer Längsrichtung erstreckt, um einen Griffschaft für den erwähnten Griff aufzunehmen, wobei der Griffschaftaufhalter (18) derart drehbar um seine Achse in der Längsrichtung auf dem Rahmen zwischen einer ersten und einer zweiten Drehlage montiert ist, dass sich der Griffschaftaufhalter (18) während der Verwendung bei Drehung des Griffschafts zwischen der ersten und der zweiten Drehlage zwischen der ersten und der zweiten Drehlage dreht, und
    • wobei der Mechanismus zum Betätigen des Riegelbolzens (19) ein Mechanismus zum Betätigen des Riegelbolzens (19) bei Drehung des Griffschaftaufhalters (18) ist, um den Riegelbolzen (19) aus seiner Verriegelungs- in seine Entriegelungsposition zu bewegen, wenn der Griffschaftaufhalter (18) aus seiner ersten Drehlage in seine zweite Drehlage gedreht wird, und um den Riegelbolzen (19) aus seiner Entriegelungs- in seine Verriegelungsposition zu bewegen, wenn der Griffschaftaufhalter (18) aus seiner zweiten Drehlage in seine erste Drehlage gedreht wird; und
    wobei der Schließmechanismus (2) angeordnet ist, um den Griffschaftaufhalter (18) zu verriegeln, wobei der Schließmechanismus angeordnet ist, um in zwei Zustände gebracht zu werden, und zwar in den Verriegelungszustand, in dem der Griffschaftaufhalter (18) in seiner ersten Drehlage verriegelt ist, und in den Entriegelungszustand, in dem der Griffschaftaufhalter (18) entriegelt ist, und wobei der Kipphebel drehbar durch die Drehwelle (3) derart unterstützt wird, um, in der ersten Drehlage des Griffschaftaufhalters (18), eine Drehung des Kipphebels (4) um die Drehachse zwischen einerseits der ersten Position, in der das Blockierelement (7) die Drehung des Griffschaftaufhalters (18) um seine Längsachse derart blockiert, um den Griffschaftaufhalter (18) in seiner ersten Drehlage zu verriegeln, und andererseits der zweiten Position, in der der Griffschaftaufhalter entriegelt ist, zu erlauben.
  4. Die Türschlossanordnung nach irgendeinem der vorigen Ansprüche, wobei der erste und der zweite Dauermagnet angeordnet sind, um den inneren Stützen eine ähnliche magnetische Polarität und den äußeren Stützen eine ähnliche magnetische Polarität zu vermitteln, und wobei bevorzugt die Stärke der durch den ersten Dauermagneten und den zweiten Dauermagneten respektive auf die erste Magnetkreishälfte und die zweite Magnetkreishälfte vermittelten magnetischen Polarität im Wesentlichen gleich ist.
  5. Das Türschloss nach irgendeinem der vorigen Ansprüche, wobei der Kipphebel aus der ersten Position in die zweite Position bewegt werden kann, einerseits durch Erregen des ersten Elektromagneten derart, um die Stärke der durch den ersten Dauermagneten auf die erste innere und die erste äußern Stütze vermittelten magnetischen Polaritäten zu erhöhen, und andererseits durch Erregen des zweiten Elektromagneten derart, um die durch den zweiten Dauermagneten auf die zweite innere und die zweite äußere Stütze vermittelten magnetischen Polaritäten zu reduzieren, und wobei der Kipphebel aus der zweiten Position in die erste Position bewegt werden kann, einerseits durch Erregen des ersten Elektromagneten derart, um die durch den ersten Dauermagneten auf die erste innere und die erste äußere Stütze vermittelten magnetischen Polaritäten zu reduzieren, und andererseits durch Erregen des zweiten Elektromagneten derart, um die Stärke der durch den zweiten Dauermagneten auf die zweite innere und die zweite äußere Stütze vermittelten magnetischen Polaritäten zu erhöhen.
  6. Das Türschloss nach irgendeinem der vorigen Ansprüche, wobei der erste und der zweite Elektromagnet respektive in der ersten und der zweiten äußeren Stütze bereitgestellt sind.
  7. Das Türschloss nach irgendeinem der vorigen Ansprüche, wobei die erste innere Stütze und die zweite innere Stütze anliegend an die Drehwelle bereitgestellt sind, wobei bevorzugt die erste innere Stütze und die zweite innere Stütze entlang der Drehachse ausgerichtet sind.
  8. Das Türschloss nach irgendeinem der vorigen Ansprüche, bevorzugt in Kombination mit dem vorigen Anspruch, wobei der Abstand zwischen der ersten inneren Stütze und der ersten äußeren Stütze im Wesentlichen gleich ist wie der Abstand zwischen der zweiten inneren Stütze und der zweiten äußeren Stütze, und wobei der Abstand zwischen der ersten inneren Stütze und der Drehwelle im Wesentlichen gleich ist wie der Abstand zwischen der zweiten inneren Stütze und der Drehwelle.
  9. Das Türschloss nach irgendeinem der vorigen Ansprüche, wobei die erste äußere Stütze angeordnet ist, um anliegend an einen Kontaktpunkt im ersten Abschnitt des Kipphebels zu liegen, wenn sich der Kipphebel in der zweiten Position befindet, wobei sich der Kontaktpunkt vom ersten Ende des Kipphebels unterscheidet.
  10. Das Türschloss nach irgendeinem der vorigen Ansprüche in Kombination mit Anspruch 3, wobei die Drehachse im Wesentlichen parallel zur Längsachse des Griffschaftaufhalters (18) liegt.
  11. Das Türschloss nach irgendeinem der vorigen Ansprüche, wobei die elektrische Betätigungsanordnung eine Energiequelle umfasst, angeordnet, um elektrische Energie zu liefern, wobei die Betätigungsanordnung ferner eine Steuerung umfasst, angeordnet, um, auf Befehl eines Benutzers des Türschlosses, die durch die Energiequelle gelieferte Energie gemäß voreingestellter Erregungsniveaus zu modulieren und den ersten und den zweiten Elektromagneten mit der modulierten Energie derart zu erregen, um den Kipphebel zwischen seiner ersten und seiner zweiten Position zu bewegen.
  12. Das Türschloss nach dem vorigen Anspruch, wobei die elektrische Betätigungsanordnung ferner einen Sensor umfasst, angeordnet, um zu bestimmen, ob der Kipphebel von der ersten Position in die zweite Position gekippt ist, wobei der Sensor bevorzugt ein Hall-Sensor ist, der die Nähe des ersten oder des zweiten Endes des Kipphebels bestimmt, und wobei die Steuerung bevorzugt ferner angeordnet ist, um die Erregungsniveaus bis zum frühesten Zeitpunkt von Bestimmung der Bewegung des Kipphebels aus der ersten Position in die zweite Position durch den Sensor und Erreichen einer voreingestellten Zeitüberschreitung zu erhalten.
  13. Das Türschloss nach irgendeinem der vorigen Ansprüche in Kombination mit Anspruch 2, wobei auf dem Rahmen ein Schlüsselbetätiger (44) montiert ist, angeordnet, um bei Drehung eines Stifts eines Schlüsselzylinders betätigt zu werden, und worauf eine Sensoranordnung montiert ist, angeordnet, um die Betätigung des Schlüsselbetätigers (44) zu erfassen, und worauf eine Steuerung montiert ist, angeordnet, um von der Sensoranordnung ein Signal zu empfangen, welches angibt, dass der Schlüsselbetätiger betätigt wird, wobei die Steuerung angeordnet ist, um die Eingabe eines neuen Kennworts zu ermöglichen, das in zumindest eine Tastatur einzugeben ist, um das Türschloss bei erfolgtem Empfang des Signals von der Sensoranordnung während eines voreingestellten Zeitraums zu entriegeln.
  14. Verwendung des Türschlosses nach irgendeinem der vorigen Ansprüche 1 bis 13, wobei der Kipphebel, auf Befehl des Benutzers, den Riegelbolzen zu entriegeln, durch Erregen des zweiten Elektromagneten von der ersten Position in die zweite Position derart bewegt wird, um die Stärke der durch den zweiten Dauermagneten auf die zweite innere und die zweite äußere Stütze vermittelten magnetischen Polaritäten zu reduzieren, und wobei der Kipphebel, auf Befehl des Benutzers, den Riegelbolzen zu verriegeln, durch Erregen des ersten Elektromagneten von der zweiten Position in die erste Position derart bewegt wird, um die Stärke der durch den ersten Dauermagneten auf die erste innere und die erste äußere Stütze vermittelten magnetischen Polaritäten zu reduzieren, und wobei der Kipphebel in der ersten Position gehalten wird, ohne den ersten und den zweiten Elektromagneten aufgrund der magnetischen Anziehungskraft des zweiten Abschnitts des Kipphebels auf die zweite Magnetkreishälfte zu erregen, und wobei der Kipphebel in der zweiten Position gehalten wird, ohne den ersten und den zweiten Elektromagneten aufgrund der magnetischen Anziehungskraft des ersten Abschnitts des Kipphebels auf die erste Magnetkreishälfte zu erregen.
  15. Verwendung nach den vorigen Ansprüchen des Türschlosses nach Anspruch 13, wobei die Steuerung, auf Befehl des Benutzers, den Riegelbolzen zu verriegeln oder zu entriegeln, die Erregungsniveaus bis zum frühesten Zeitpunkt von Bestimmung des Kippens des Kipphebels durch den Sensor und Erreichen der voreingestellten Zeitüberschreitung hält.
EP21175132.6A 2021-05-20 2021-05-20 Durch einen elektrisch betätigten schliessmechanismus verschliessbares türschloss und die verwendung eines solchen schlosses Active EP4092229B1 (de)

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DE1128323B (de) * 1959-12-02 1962-04-19 Daimler Benz Ag Einrichtung zum Betaetigen und Verriegeln mehrerer Schliessvorrichtungen an Kraftfahrzeugen
US7155945B2 (en) 2003-10-24 2007-01-02 Talpe Jr Joseph Lock having a lockable handle shaft
IT201700039143A1 (it) * 2017-04-10 2018-10-10 Bitron Spa Dispositivo blocca-porta, particolarmente per apparecchi elettrodomestici.
IT201700039100A1 (it) * 2017-04-10 2018-10-10 Bitron Spa Dispositivo blocca-porta, particolarmente per apparecchi elettrodomestici.
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