EP4092229B1 - Serrure de porte verrouillable par un mécanisme de verrouillage actionné électriquement et utilisation d'une telle serrure - Google Patents

Serrure de porte verrouillable par un mécanisme de verrouillage actionné électriquement et utilisation d'une telle serrure 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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German (de)
English (en)
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EP4092229C0 (fr
EP4092229A1 (fr
Inventor
Joseph Talpe
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.)
Locinox NV
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Locinox NV
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Publication date
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Priority to EP21175132.6A priority Critical patent/EP4092229B1/fr
Publication of EP4092229A1 publication Critical patent/EP4092229A1/fr
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Publication of EP4092229B1 publication Critical patent/EP4092229B1/fr
Publication of EP4092229C0 publication Critical patent/EP4092229C0/fr
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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. Serrure de porte pour verrouiller une porte, la serrure de porte comprenant
    un mécanisme de verrouillage (2), ce mécanisme de verrouillage étant conçu pour être amené dans deux états, à savoir dans un état de verrouillage dans lequel la serrure de porte est conçue pour verrouiller la porte et dans un état de déverrouillage dans lequel la serrure de porte est conçue pour déverrouiller la porte, ledit mécanisme de verrouillage comprenant :
    - un arbre de pivot (3) s'étendant dans la direction d'un axe de pivotement,
    - une bascule (4) constituée essentiellement d'un matériau magnétiquement doux s'étendant entre une première extrémité (5) et une seconde extrémité (6) et pourvue d'un élément de blocage (7) à sa première extrémité, la bascule étant supportée de manière pivotante par l'arbre de pivot (3) de façon à permettre une rotation de la bascule (4) autour de l'axe de pivotement entre, d'une part, une première position dans laquelle l'élément de blocage (7) est conçu pour verrouiller la porte et, d'autre part, une seconde position dans laquelle l'élément de blocage (7) est conçu pour déverrouiller la porte ; et
    - un ensemble d'actionnement électrique pour déplacer ladite bascule entre sa première et sa seconde position,
    dans lequel
    - l'arbre de pivot (3) supporte la bascule (4) à une position située entre la première extrémité (5) et la seconde extrémité (6) de la bascule (4) de manière à former une balançoire présentant une première section s'étendant entre la première extrémité (5) de la bascule (4) et l'arbre de pivot (3), et une seconde section s'étendant entre la seconde extrémité (6) de la bascule (4) et l'arbre de pivot (3),
    - l'ensemble d'actionnement électrique comprend un premier demi-circuit magnétique (8) fournissant un chemin magnétiquement conducteur entre un premier pilier extérieur (9) et un premier pilier intérieur (10), dans lequel le premier pilier intérieur (10) est plus proche de l'arbre de pivot (3) que ne l'est le premier pilier extérieur (9), et dans lequel le premier pilier extérieur (9) et le premier pilier intérieur (10) sont disposés de manière à être adjacents à la première section de la bascule (4) lorsque la bascule (4) est dans la seconde position, de sorte que le premier demi-circuit magnétique (8) forme un premier circuit magnétique fermé en combinaison avec la première section de la bascule (4) lorsque la bascule (4) est dans la seconde position, dans lequel le premier demi-circuit magnétique (8) comprend des premiers conducteurs magnétiques (11a, 11b, 11c) en matériau magnétique doux, un premier aimant permanent (12) conçu pour conférer des polarités magnétiques opposées d'une force donnée au premier pilier intérieur (10) et au premier pilier extérieur (9), et un premier électro-aimant (13) placé sur une section des premiers conducteurs magnétiques (11a), le premier électro-aimant (13) étant conçu pour renforcer ou réduire l'intensité de la polarité magnétique conférée par le premier aimant permanent (12) sur le premier pilier intérieur (10) et le premier pilier extérieur (9), et dans lequel le premier demi-circuit magnétique (8) est conçu pour maintenir, au moyen du premier aimant permanent (12), la bascule (4) dans la seconde position après que la bascule (4) a été déplacée dans la seconde position et alors que le premier électro-aimant (13) n'est pas excité,
    - l'ensemble d'actionnement comprend en outre un second demi-circuit magnétique (14) fournissant un chemin magnétiquement conducteur entre un second pilier extérieur (15) et un second pilier intérieur (16), dans lequel le second pilier intérieur (16) est plus proche de l'arbre de pivot (3) que ne l'est le second pilier extérieur (15), dans lequel le second pilier extérieur (15) et le second pilier intérieur (16) sont disposés de manière à être adjacents à la seconde section de la bascule (4) lorsque la bascule (4) est dans la première position, de sorte que le second demi-circuit magnétique (14) forme un second circuit magnétique fermé en combinaison avec la seconde section de la bascule (4) lorsque la bascule (4) est dans la première position, dans lequel le second demi-circuit magnétique (14) comprend des seconds conducteurs magnétiques (17a, 17b, 17c) en matériau magnétique doux, un second aimant permanent (21) conçu pour conférer des polarités magnétiques opposées d'une force donnée au second pilier intérieur (16) et au second pilier extérieur (15), et un second électro-aimant (20) placé sur une section des seconds conducteurs magnétiques (17a), le second électro-aimant (20) étant conçu pour renforcer ou réduire la force de la polarité magnétique conférée par le second aimant permanent (21) sur le second pilier intérieur (16) et le second pilier extérieur (15), et dans lequel le second demi-circuit magnétique (14) est conçu pour maintenir, au moyen du second aimant permanent (21), la bascule (4) dans la première position après que la bascule (4) a été déplacée dans la première position et alors que le second électro-aimant (20) n'est pas excité, et
    - dans laquelle la bascule (4) est conçue pour être déplacée de la première position à la seconde position en excitant le second électro-aimant (20) de manière à réduire la force des polarités magnétiques conférées par le second aimant permanent (21) sur les seconds piliers intérieur et extérieur (15, 16), et dans lequel la bascule (4) est en outre conçue pour être déplacée de la seconde position à la première position en excitant le premier électro-aimant (13) de manière à réduire la force des polarités magnétiques conférées par le premier aimant permanent (12) sur les premiers piliers intérieur et extérieur (9, 10), et
    - dans lequel le premier électro-aimant (13) et le second électro-aimant (20) sont des circuits électroniques séparés et le premier et le second demi-circuits magnétiques sont magnétiquement isolés l'un de l'autre.
  2. Serrure de porte selon la revendication précédente, dans laquelle la serrure de porte comprend en outre
    - un cadre (1) ;
    - un pêne demi-tour (19) monté mobile sur le cadre (1) entre une position de verrouillage et une position de déverrouillage ;
    - un suiveur d'arbre de poignée (18) conçu pour être actionné par un utilisateur de la serrure de porte ;
    - un mécanisme d'actionnement pour actionner le pêne demi-tour (19) lors de l'actionnement du suiveur d'arbre de poignée pour déplacer le pêne demi-tour (19) de sa position de verrouillage à sa position de déverrouillage lorsque le suiveur d'arbre de poignée (18) est actionné ; et
    dans lequel le mécanisme de verrouillage (2) est conçu pour verrouiller le pêne demi-tour (19) soit directement, soit en verrouillant le suiveur d'arbre de poignée (18).
  3. Serrure de porte selon la revendication précédente,
    - dans laquelle le pêne demi-tour (19) est monté mobile sur le cadre (1) entre la position de verrouillage et la position de déverrouillage au moyen d'au moins une poignée,
    - dans laquelle le suiveur d'arbre de poignée (18) comprend un canal d'arbre de poignée s'étendant le long d'un axe dans une direction longitudinale pour recevoir un arbre de poignée pour ladite poignée, le suiveur d'arbre de poignée (18) étant monté pivotant autour de son axe dans la direction longitudinale sur le cadre entre une première et une seconde position angulaire, de telle sorte qu'en utilisation le suiveur d'arbre de poignée (18) tourne entre la première et la seconde position angulaire lors de la rotation de l'arbre de poignée entre la première et la seconde position angulaire, et
    - dans laquelle le mécanisme d'actionnement pour actionner le pêne demi-tour (19) est un mécanisme d'actionnement du pêne demi-tour (19) lors de la rotation du suiveur d'arbre de poignée (18) pour déplacer le pêne demi-tour (19) de sa position de verrouillage à sa position de déverrouillage lorsque le suiveur d'arbre de poignée (18) est tourné de sa première position angulaire à sa seconde position angulaire et pour déplacer le pêne demi-tour (19) de sa position de déverrouillage à sa position de verrouillage lorsque le suiveur d'arbre de poignée (18) est tourné de sa seconde position angulaire à sa première position angulaire ; et
    dans laquelle le mécanisme de verrouillage (2) est conçu pour verrouiller le suiveur d'arbre de poignée (18), ce mécanisme de verrouillage étant conçu pour être amené dans deux états, à savoir dans l'état de verrouillage dans lequel le suiveur d'arbre de poignée (18) est verrouillé dans sa première position angulaire et dans l'état de déverrouillage dans lequel le suiveur d'arbre de poignée (18) est déverrouillé, et
    dans laquelle la bascule est supportée de manière pivotante par l'arbre de pivot (3) de manière à permettre, dans la première position angulaire du suiveur d'arbre de poignée (18), une rotation de la bascule (4) autour de l'axe de pivotement entre, d'une part, la première position dans laquelle l'élément de blocage (7) bloque la rotation du suiveur d'arbre de poignée (18) autour de son axe longitudinal de manière à verrouiller le suiveur d'arbre de poignée (18) dans sa première position angulaire et, d'autre part, la seconde position dans laquelle le suiveur d'arbre de poignée est déverrouillé.
  4. Ensemble de serrure de porte selon l'une quelconque des revendications précédentes, dans lequel le premier et le second aimants permanents sont disposés de manière à conférer une polarité magnétique similaire aux piliers intérieurs et une polarité magnétique similaire aux piliers extérieurs, et dans lequel, de préférence, la force de la polarité magnétique conférées par le premier aimant permanent et le second aimant permanent respectivement sur le premier demi-circuit magnétique et sur le second demi-circuit magnétique est sensiblement la même.
  5. Serrure de porte selon l'une quelconque des revendications précédentes dans laquelle la bascule peut être déplacée de la première position à la seconde position d'une part en excitant le premier électro-aimant de manière à renforcer la force des polarités magnétiques conférées par le premier aimant permanent sur les premiers piliers intérieur et extérieur et d'autre part en excitant le second électro-aimant de manière à réduire les polarités magnétiques conférées par le second aimant permanent sur les seconds piliers intérieur et extérieur, et dans lequel la bascule peut être déplacée de la seconde position à la première position, d'une part en excitant le premier électro-aimant de manière à réduire les polarités magnétiques conférées par le premier aimant permanent sur les premiers piliers intérieur et extérieur, et d'autre part en excitant le second électro-aimant de manière à renforcer la force des polarités magnétiques conférées par le second aimant permanent sur les seconds piliers intérieur et extérieur.
  6. Serrure de porte selon l'une quelconque des revendications précédentes, dans laquelle les premier et second électro-aimants sont respectivement prévus dans les premier et second piliers extérieur.
  7. Serrure de porte selon l'une des revendications précédentes, dans laquelle le premier pilier intérieur et le second pilier intérieur sont adjacents à l'arbre de pivot, dans laquelle le premier pilier intérieur et le second pilier intérieur sont de préférence alignés le long de l'axe de pivotement.
  8. Serrure de porte selon l'une des revendications précédentes, de préférence en combinaison avec la revendication précédente, dans laquelle la distance entre le premier pilier intérieur et le premier pilier extérieur est sensiblement égale à la distance entre le second pilier intérieur et le second pilier extérieur, et dans laquelle la distance entre le premier pilier intérieur et l'arbre de pivot est sensiblement égale à la distance entre le second pilier intérieur et l'arbre de pivot.
  9. Serrure de porte selon l'une des revendications précédentes, dans laquelle le premier pilier extérieur est disposé de manière à être adjacent à un point de contact dans la première section de la bascule lorsque la bascule est dans la seconde position, le point de contact étant distinct de la première extrémité de la bascule.
  10. Serrure de porte selon l'une des revendications précédentes en combinaison avec la revendication 3, dans laquelle l'axe de pivotement est sensiblement parallèle à l'axe longitudinal du suiveur d'arbre de poignée (18).
  11. Serrure de porte selon l'une des revendications précédentes, dans laquelle l'ensemble d'actionnement électrique comprend une source d'énergie conçue pour fournir de l'énergie électrique, dans laquelle l'ensemble d'actionnement comprend en outre un contrôleur conçu, sur instruction d'un utilisateur de la serrure de porte, pour moduler l'énergie fournie par la source d'énergie selon des niveaux d'excitation prédéterminés et pour exciter les premier et second électro-aimants avec l'énergie modulée de manière à déplacer la bascule entre sa première et sa seconde position.
  12. Serrure de porte selon la revendication précédente, dans laquelle l'ensemble d'actionnement électrique comprend en outre un capteur conçu pour déterminer si la bascule a basculé de la première à la seconde position, le capteur étant de préférence un capteur à effet Hall déterminant la proximité de la première ou de la seconde extrémité de la bascule, et dans laquelle le contrôleur est de préférence conçu pour maintenir les niveaux d'excitation jusqu'à la détermination du mouvement de la bascule de la première position à la seconde position par le capteur ou jusqu'à l'atteinte d'une période de temporisation prédéterminée, selon la première occurrence parmi ces deux éventualités.
  13. Serrure de porte selon l'une des revendications précédentes en combinaison avec la revendication 2, dans laquelle le cadre est équipé sur un actionneur à clé (44) conçu pour être actionné lors de la rotation d'une goupille d'un cylindre à clé, et est équipé sur un ensemble de capteurs conçu pour détecter l'actionnement de l'actionneur à clé (44), et est équipé sur un contrôleur conçu pour recevoir de l'ensemble de capteurs un signal indiquant que l'actionneur à clé est actionné, dans laquelle le contrôleur est conçu pour permettre la saisie d'un nouveau mot de passe dans au moins un clavier pour déverrouiller la serrure de porte après avoir reçu le signal de l'ensemble de capteurs pendant un laps de temps prédéterminé.
  14. Utilisation de la serrure de porte selon l'une des revendications précédentes 1-13 dans laquelle, sur instruction de l'utilisateur de déverrouiller le pêne demi-tour, la bascule est déplacée de la première position à la seconde position en excitant le second électro-aimant de manière à réduire la force des polarités magnétiques conférées par le second aimant permanent sur les seconds piliers intérieur et extérieur, et dans laquelle, sur instruction de l'utilisateur de verrouiller le pêne demi-tour, la bascule est déplacée de la seconde position à la première position en excitant le premier électro-aimant de manière à réduire la force des polarités magnétiques conférées par le premier aimant permanent sur les premier piliers intérieur et extérieur, et dans laquelle la bascule est maintenue dans la première position sans exciter le premier et le second électro-aimant en raison de l'attraction magnétique de la seconde partie de la bascule sur le second demi-circuit magnétique, et dans laquelle la bascule est maintenue dans la seconde position sans exciter le premier et le second électro-aimant en raison de l'attraction magnétique de la première partie de la bascule sur le premier demi-circuit magnétique.
  15. Utilisation selon les revendications précédentes de la serrure de porte selon la revendication 12 dans laquelle, sur instruction de l'utilisateur de verrouiller ou de déverrouiller le pêne demi-tour, le contrôleur maintient les niveaux d'excitation jusqu'à la détermination du basculement de la bascule par le capteur et l'atteinte de la période de temporisation prédéterminée, selon la première occurrence parmi ces deux éventualités.
EP21175132.6A 2021-05-20 2021-05-20 Serrure de porte verrouillable par un mécanisme de verrouillage actionné électriquement et utilisation d'une telle serrure Active EP4092229B1 (fr)

Priority Applications (1)

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EP21175132.6A EP4092229B1 (fr) 2021-05-20 2021-05-20 Serrure de porte verrouillable par un mécanisme de verrouillage actionné électriquement et utilisation d'une telle serrure

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Application Number Priority Date Filing Date Title
EP21175132.6A EP4092229B1 (fr) 2021-05-20 2021-05-20 Serrure de porte verrouillable par un mécanisme de verrouillage actionné électriquement et utilisation d'une telle serrure

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EP4092229A1 EP4092229A1 (fr) 2022-11-23
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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.
DE102019106688A1 (de) * 2018-11-15 2020-05-20 Liebherr-Hausgeräte Lienz Gmbh Kühl- und/oder Gefriergerät

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EP4092229A1 (fr) 2022-11-23

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