EP3431684A1 - Elektronisches schloss - Google Patents

Elektronisches schloss Download PDF

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Publication number
EP3431684A1
EP3431684A1 EP18183622.2A EP18183622A EP3431684A1 EP 3431684 A1 EP3431684 A1 EP 3431684A1 EP 18183622 A EP18183622 A EP 18183622A EP 3431684 A1 EP3431684 A1 EP 3431684A1
Authority
EP
European Patent Office
Prior art keywords
ball
duct
lock
front ball
piece
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP18183622.2A
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English (en)
French (fr)
Other versions
EP3431684B1 (de
Inventor
Norbert Marchal
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.)
Cogelec SAS
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Cogelec SAS
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Filing date
Publication date
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Publication of EP3431684A1 publication Critical patent/EP3431684A1/de
Application granted granted Critical
Publication of EP3431684B1 publication Critical patent/EP3431684B1/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
    • E05B47/0611—Cylinder locks with electromagnetic control
    • E05B47/0619—Cylinder locks with electromagnetic control by blocking the rotor
    • E05B47/0626—Cylinder locks with electromagnetic control by blocking the rotor radially
    • E05B47/063—Cylinder locks with electromagnetic control by blocking the rotor radially with a rectilinearly moveable blocking element
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00944—Details of construction or manufacture
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B2047/0048—Circuits, feeding, monitoring
    • E05B2047/0057—Feeding
    • E05B2047/0058—Feeding by batteries
    • 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
    • E05B2047/0048—Circuits, feeding, monitoring
    • E05B2047/0057—Feeding
    • E05B2047/0063—Energy transfer from key to lock, e.g. for emergency opening

Definitions

  • the invention relates to an electronic lock.
  • Such a known lock is for example described in the application GB2190700 .
  • the invention aims to extend the life of the electronic lock. It therefore relates to such an electronic lock according to claim 1.
  • Embodiments of this electronic lock may include one or more of the features of the dependent claims.
  • the figure 1 is a door 2.
  • This door 2 has an inner side, typically located within a room, and an outer side of the opposite side. Subsequently, the terms “inner” and “outer” refer, respectively, to the inner and outer side of the door 2.
  • the door 2 here extends in a vertical plane. Thereafter, the vertical direction is indicated by the direction Z of an orthogonal reference XYZ.
  • the direction X is perpendicular to the vertical plane in which the door 2 extends mainly. All the figures are oriented relative to this XYZ mark.
  • the door 2 is equipped with a handle 4 and an electronic lock 6. To simplify the figure 1 only part of the door 2 is shown.
  • the general mechanical architecture of the lock 6 is, for example, identical to that described in the application FR3025236 . For this reason, only the details necessary for understanding the invention are given here. For other details, the reader is returned on request FR3025236 .
  • the lock 6 comprises a bolt 10 movable in translation, parallel to the Y direction, alternately and reversibly, between a locked position and an unlocked position.
  • the bolt 10 protrudes beyond the edge of the door 2 to engage in a strike fixed without any degree of freedom on the frame of the door 2.
  • the bolt 10 locks the door 2 in its closed position.
  • the unlocked position the bolt 10 is returned inside the door 2 and no longer protrudes beyond the edge of this door 2.
  • the door 2 can be moved by a user of a closed position to an open position by actuating the handle 4.
  • the lock 6 also comprises a cylinder 12 and a screw 14 for fixing the cylinder 12 in the door 2.
  • the cylinder 12 moves the bolt 10 from its locked position to its unlocked position when a key 16 ( figure 2 ), allowed to unlock the lock 6, is introduced and then turned inside this cylinder.
  • the cylinder 12 also moves the bolt 10 from its unlocked position to its position locked when the authorized key is inserted and turned in the opposite direction inside this cylinder.
  • the cylinder prevents the displacement of the bolt 10 from its locked position to its unlocked position.
  • the key 16 can be introduced inside the cylinder 12 from the outside and, alternately, from the inside of the door 2.
  • the cylinder 12 opens on each side of the door 2.
  • the screw 14 has a head that is flush with the edge of the door 2. The threaded end of the screw 14 is screwed into the cylinder 12 to hold it in place inside the door 2.
  • the figure 2 represents in more detail the cylinder 12.
  • the cylinder 12 is in accordance with the European format.
  • the cylinder 12 extends along a longitudinal axis 20 parallel to the direction X. It comprises a stator 22 fixed without any degree of freedom to the door 2 by means of the screw 14 and a bit 24 housed at the door. inside a transverse notch 26.
  • the notch 26 extends in a transverse plane 28 parallel to the directions Y, Z.
  • the plane 28 is a plane of symmetry for the bit 24.
  • the bit 24 rotates counterclockwise about the axis 20 to move the bolt 10 from its locked position to its unlocked position and in the opposite direction to move the bolt 10 from its unlocked position to its locked position.
  • the plane 28 also divides the stator 22 into two parts.
  • the part of the stator 22 located on the inside of the door 2 is called “inner half-stator” and has the reference 30.
  • the portion of the stator 22 located on the outside of the door 2 is called “outer half-stator” and door
  • the half-stators 30 and 32 are almost symmetrical to one another with respect to the plane 28. Thus, only the half-stator 32 is described in more detail by the after.
  • the half-stator 32 comprises a front cover 34 parallel to the plane 28 and directly exposed to the outside of the door 2. This front cover prevents direct access to the moving parts located inside the cylinder 12 so as to protect them from burglary attempts.
  • This cover 34 is traversed by an orifice 36 intended to receive a blade 38 of the key 16.
  • the orifice 36 is centered on the axis 20.
  • the orifice 36 is shaped so as to allow the introduction of the blade 38 to the inside of the cylinder 12 by a translational movement parallel to the X direction.
  • the orifice 36 is also shaped to allow the key 16 introduced inside the cylinder 12 to turn on itself about the axis 20 .
  • the key 16 comprises a transmitter 40 and a battery 41.
  • the blade 38 is devoid of raised pattern for moving pins of the lock to cause mechanical unlocking of the lock 6.
  • the blade 38 has at least one pattern adapted to cooperate with a pattern of complementary shape on a rotor of the cylinder 12 for driving the rotor in rotation when the key rotates.
  • this pattern on the blade 38 is a flat 42 located on its distal end.
  • the transmitter 40 is particularly suitable for transmitting, via a wired link, an access code to the lock 6.
  • the battery 41 is here also used to supply the lock 6 via a link wired.
  • These wired links are established only when the blade 38 is inserted inside the lock 6.
  • the blade 38 has electrical terminals capable of cooperating with corresponding electrical contacts of the lock 6 to establish these wired electrical connections. between the key 16 and the lock 6.
  • the blade 38 has six electrical terminals arranged symmetrically on either side of the axis of the blade 38.
  • the symmetrical terminals 1 one of the other are part of the same conductive ring. In the figures, only the terminals 44 to 46 located on the same side of the blade 38 are visible.
  • the figure 3 represents more in detail the interior of the cylinder 12.
  • the stator 22 comprises a cylindrical channel 50, of circular cross section, passing right through the stator 22 and thus the two half-stators 30 and 32.
  • This channel 50 extends along the axis 20.
  • the axis 20 coincides with the axis of symmetry of revolution of the channel 50.
  • the channel 50 receives a rotor 52.
  • the rotor 52 is for example identical to that described in more detail, especially with reference to the Figures 5 and 6 demand FR3025236 .
  • the rotor 52 comprises a housing 96 adapted to receive the end of the blade 38.
  • the cross section of this housing 96 comprises at least one complementary shape of the end of the blade 38 so as to be engaged in rotation by the blade 38.
  • this complementary shape is a flat part capable of meshing with the flat part 42 of the blade 38.
  • the channel 50 opens into the cover 34 vis-à-vis the orifice 36.
  • the half-stator 32 comprises a shell 54 entirely located on the outside of the plane 28 and a half of a bar 56 located on the outside of this plane 28.
  • the bar 56 is symmetrical with respect to the plane 28.
  • the shell 54 comprises the front cover 34, the orifice 36 and half of the channel 50 located on the outside.
  • the shell 54 is formed of a single block of rigid material.
  • rigid material or “rigid material” is meant a material whose Young's modulus at 25 ° C. is greater than 100 GPa or 150 GPa and, preferably, greater than 200 GPa.
  • the material of the shell 54 is in addition non-conductive.
  • the rigid non-conductive material is ceramic.
  • the half-stator 32 comprises a controllable mechanism 76 for unlocking the lock.
  • This mechanism 76 is able to move a member 80 for blocking the rotation of the rotor 52.
  • This mechanism 76 is fixed, without degree of freedom, on the shell 54.
  • the mechanism 76 and the member 80 are similar or identical. to those described in the application FR3025236 . To increase the readability of the figure 3 the representations of mechanism 76 and organ 80 have been simplified.
  • the member 80 moves in translation between a locking position (represented on the figure 3 ) and a retracted position.
  • a locking position represented on the figure 3
  • a retracted position In the locking position, a distal end of the member 80 is received inside an anfractuosity formed in the rotor 52 to prevent the rotation of this rotor about the axis 20.
  • the retracted position the distal end of the member 80 is located outside the anfractuosity, so that the rotor 52 can be rotated by the key 16 about the axis 20.
  • the member 80 moves only in translation between its blocking position and its retracted position.
  • this displacement in translation is parallel to the direction Z.
  • the mechanism 76 typically comprises a controllable electric and / or magnetic actuator 82 and an electronic control unit 84 for this actuator 82.
  • the actuator 82 is able to move the member 80 between its blocking position and its retracted position in response to a command transmitted by the unit 84. In the absence of control, the actuator 82 keeps the member 80 in its locking position.
  • the unit 84 compares the access code received with prerecorded access codes. If the access code received matches one of the access codes prerecorded, then the unit 84 transmits the unlock command. Otherwise, the unit 84 does not transmit this unlock command.
  • the unit 84 communicates with the transmitter 40 via a wired link 106 which is established when the key 16 is fully depressed inside the channel 50. At the same time, the battery 41 transmits the signal. energy required to supply the mechanism 76 via two wired links 107 and 108.
  • the link 106 is established via the terminal 44 and an electrical contact 100 of the half-stator 32. connections 107 and 108 are established via terminals 45, 46 and two electrical contacts 101 and 102 of the half-stator 32.
  • the key 16 and the half-stator 32 also comprise, respectively, three electrical terminals and three additional electrical contacts. These terminals and additional electrical contacts are used to simultaneously establish three additional redundant wired links with the wired links 106 to 108. These additional wired links are derived from the wired links 106 to 108 by symmetries with respect to the vertical plane containing the axis 20. By therefore, they are not described in more detail later.
  • the electrical contacts 100 to 102 are, for example, structurally identical to each other. Thus, subsequently, only the electrical contact 100 is described in more detail.
  • the half-stator 32 is now described in more detail with reference to the Figures 4 to 12 .
  • the various elements of the mechanism 76 are mounted on an electronic card 110 in the shape of a "U" which fits on the lower part of the shell 54.
  • Each link 106 to 108 comprises a respective electrical conductor which electrically connects its electrical contact to the mechanism 76.
  • the distal end of such an electrical conductor is represented on the Figures 7 to 10 in the particular case of the link 106.
  • this electrical conductor carries the reference 112.
  • the conductor 112 here comprises a flexible conductive strip 114 and a conductive rear pad 120.
  • the pad 120 bears directly on the contact 100.
  • this pad 120 is a flat pellet made of an electrically conductive and hard material.
  • the pad 120 is made of beryllium copper. Its diameter is typically greater than or equal to 1 mm.
  • electrically conductive material denotes a material whose resistivity at 20 ° C. is less than 10 -6 ⁇ .m and, preferably, less than 10 -7 ⁇ .m.
  • hard material is meant here a material whose Vickers hardness, measured under normal conditions, is greater than 300 HV and preferably greater than 350 HV.
  • very hard material is meant here a material whose Vickers hardness, measured under normal conditions, is greater than 500 HV or 600 HV.
  • the contact 100 comprises a cylindrical duct 130 which extends along a horizontal axis 132 ( figure 7-10 ).
  • This duct 130 has a front end that opens into the channel 50 and a rear end that opens onto a flat bottom of a recess 134 present on an outer face of the shell 54.
  • the cross section of the duct 130 that is to say, its section in a plane perpendicular to the axis 132, is circular.
  • the diameter D 130 of the duct 130 is typically greater than 0.5 mm or 1 mm and, generally, less than 4 mm or 3 mm.
  • the diameter D 130 is for example equal to 1.05 mm.
  • the stud 120 When the electronic card 110 is mounted on the shell 54, the stud 120 is received inside the recess 134. This stud 120 is then located opposite the rear end of the duct 130. Typically, the dimensions recess 134 are adapted to limit the displacement of the pad 120 in the direction X and thus maintain the stud 120 opposite the rear end of the conduit 130.
  • the stud 120 allows at least partially closing the rear end of the duct 130.
  • its diameter is strictly greater than the diameter of the opening of the duct 130 which opens into the bottom of the recess 134.
  • the duct 130 has a constriction 136 ( Figures 8 and 10 ) which reduces the diameter of the opening of the conduit 130 which opens into the channel 50.
  • the internal diameter of the throat 136 is smaller, at least 0.05 mm or 0.1 mm, to the inner diameter of the duct 130.
  • the internal diameter of the throat 136 is for example equal to 0.95 mm. This constriction allows in particular to retain inside the conduit 130 a front ball as will be described in more detail later.
  • the inner wall of the duct 130 is made of a hard material and, preferably, very hard.
  • this inner wall is made of a material harder than the material used for the balls received inside this conduit.
  • hard is typically meant a hardness 1.3 times or 1.5 times or 1.8 times greater than the hardness, measured under the same conditions, beads received within this conduit.
  • the inner wall of the duct 130 is smooth and, preferably, very smooth.
  • smooth inner wall is meant here an inner wall whose roughness Ra, denoted Ra 130 , is less than 0.35 microns or 0.30 microns.
  • very smooth inner wall is meant here an inner wall whose roughness Ra is less than 0.15 microns or 0.10 microns.
  • the inner wall of the conduit 130 is made of polished ceramic.
  • the hardness of this polished ceramic is typically greater than 1000 HV or 1300 HV.
  • the roughness Ra 130 of the polished ceramic is less than 0.15 ⁇ m.
  • the entire shell 54 is made of this ceramic and the duct 130 is hollowed into the shell 54.
  • the contact 100 comprises a ball before the spherical 140 housed inside the conduit 130.
  • the ball 140 is free to move in translation, inside the conduit 130, between a rest position, shown on the Figures 8 and 10 , and a retracted position, shown on the Figures 7 and 9 .
  • the ball 140 bears on the constriction 136.
  • a part of the ball 140 called the front face, projects inside the channel 50.
  • the ball 140 is pushed back inside the channel 130 by the terminal 44 on which its front face is directly in support.
  • the movement of the ball 140 between these rest and retracted positions is greater than or equal to 0.1 mm or 0.15 mm and, generally, less than 0.5 mm or 0.3 mm.
  • the ball 140 is also mounted inside the conduit 130 so as to be able to rotate about any axis passing through its center.
  • the diameter D 140 of the ball 140 is strictly smaller than the diameter D 130 .
  • the diameter D 140 is also greater than the diameter D 136 of the constriction 136.
  • the diameter D 140 is less than D 130 - 25 ⁇ m or D 130 - 50 ⁇ m.
  • the diameter D 130 is equal to 1 mm.
  • the roughness Ra, denoted Ra 140 , of the ball 140 is very small, that is to say less than 0.1 ⁇ m and, preferably, less than 0.05 ⁇ m or 0.025 ⁇ m.
  • the grade of the ball 140 is equal to 10.
  • the ball 140 is also made of a material that is both very hard and electrically conductive.
  • the ball 140 is made of stainless steel such as 420C stainless steel.
  • the contact 100 also comprises elastic return means 142 which permanently urge the ball 140 towards its rest position and a connecting piece interposed between these return means 142 and the ball 140.
  • the connecting piece is a set of spherical connecting balls.
  • the return means 142 comprise a spring blade 144.
  • the spring blade 144 has an anchored lower end, without any degree of freedom, on the outer face of the shell 54.
  • the spring blade 144 also has one end. upper free which constantly solicits the stud 120 towards the rear end of the conduit 130. For this purpose, the free upper end pushes against a rear face of the stud 120.
  • the lower end of the spring blade 144 is fixed on the shell 54 with a rivet 146 which passes, for example from one side, the shell 54 in the direction Y.
  • the rigidity of the leaf spring 144 is chosen so that, in the retracted position, the bearing force exerted by the ball 140 on the terminal 44 is less than 0.5 N and, preferably, less than 0.2 N Generally, this bearing force is also greater than 0.05 N or greater than 0.1 N.
  • the set of connecting balls is inserted inside the conduit 130 between the ball 140 and the stud 120. Its function is to transmit the bearing force of the spring blade 144 to the ball 140 and, at the same time, to electrically connect the ball 140 to the pad 120.
  • the set of connecting balls comprises a single connecting ball 150.
  • the ball 150 is movable inside the conduit 130 in translation along of axis 132. It is also free to turn on itself around any axis passing through its center. For this purpose, its diameter D 150 is smaller than the diameter D 130 - 25 ⁇ m or smaller than the diameter D 130 - 50 ⁇ m.
  • Its diameter D 150 is also, for example, sufficiently large so that in the retracted position, the ball 150 is simultaneously supported, on one side, directly on a rear face of the ball 140 and, on the opposite side, directly in support on a front face of the stud 120.
  • the diameter D 150 is less than 0.9D 140 .
  • this has several advantages, including that of reducing the length of the duct 130 and therefore the size of the contact 100. This also makes it possible to release free spaces inside the duct 130 and thus to allow a radial displacement of the duct 130.
  • ball 150 that is to say a displacement in a direction perpendicular to the axis 132.
  • the radial displacement of the ball 150 is greater than 0.1D 130 or 0.1 mm.
  • the diameter D 150 is equal to 0.8 mm.
  • the ball 150 is also made of a material that is both very hard and electrically conductive. Its roughness Ra, denoted Ra 150 , is also very low.
  • the ball 150 is made of the same material used for the ball 140.
  • the ball 150 is a ball of grade 10 or 28 according to the standards mentioned above.
  • the operation of the electronic lock 6 is as follows. This operation is described in the particular case of the contact 100 but all that is said in this particular case applies to the other contacts of the lock 6.
  • the ball 140 In the absence of the blade 38 inside the channel 50, the ball 140 is in its rest position (represented on the Figures 8 and 10 ). Then, during a first phase of use, the blade 38 is inserted inside the channel 50 by sliding it in translation along the axis 20. During this movement, the outer periphery of the blade 38 rubs on the front face of the ball 140. This pushes the ball 140, against the restoring force of the leaf spring 144, to its retracted position. This displacement also causes the displacement of the ball 150 and the pad 120 in the same direction. The electrical and mechanical contact between the ball 140 and the pad 120 is then provided by the ball 150.
  • This displacement in translation of the blade 38 also causes the ball 140 to rotate about a vertical axis passing through its center.
  • the ball 140 rolls on the outer periphery of the blade 38, which reduces the friction between the blade 38 and the ball 140. The wear of the ball 140 is thus greatly limited.
  • the rotation of the ball 140 also causes the ball 150 to rotate in the opposite direction around a vertical axis passing through the center of this ball 150. Moreover, since there are free spaces around the ball 150, its vertical axis of rotation also moves in a horizontal direction, typically opposite to the direction X. This horizontal displacement of the ball 150 is illustrated on the figure 11 . In this figure and the figure 12 , the straight arrows in bold represent the direction of movement of the blade 38. The arrows arc in the vicinity of the balls 140 and 150 represent the corresponding directions of rotation of these balls.
  • the point of contact between the ball 150 and the stud 120 moves in this horizontal direction. Since the point of contact between the ball 150 and the stud 120 is displaced, the wear of the stud 120 is distributed over a larger surface and thus the ball 150 is prevented from digging a hole too deep inside the face. before the stud 120. This contributes to increasing the robustness of the contact 100 with respect to wear.
  • the contact 100 and more precisely the front face of the ball 140 is directly on the terminal 44.
  • the wired links 106 to 108 are established and the electronic lock 6 is powered and communicates with the key 16. If the key 16 is a key authorized to open the door 2, the member 80 moves to its retracted position and the rotor 52 can be rotated to unlock the door 2. For this, the blade 38 is rotated on itself about the axis 20.
  • the ball 140 rolls on the outer periphery of the blade 38. However, during this second phase, it turns on itself about a horizontal axis passing through its center.
  • this also causes the rotation and the radial displacement of the ball 150.
  • the ball 150 rotates about itself about a horizontal axis and moves in a vertical direction. More specifically, ball 150 typically moves upward to reach the position shown in FIG. figure 9 when the key 16 is turned counterclockwise. When the key 16 is turned in the opposite direction, the ball 150 then moves downwards to reach the position represented on the figure 10 .
  • These upward and downward movements also contribute to increasing the friction surface between the ball 150 and the front face of the stud 120. This therefore contributes to limiting the formation of a hole too much. deep inside the stud 120, caused by the friction between the ball 150 and the stud 120.
  • the figure 13 represents an electronic lock 160 identical to the lock 6 except that the contact 100 is replaced by an electrical contact 162.
  • the electrical contact 162 is identical to the contact 100 except that the set of connecting balls comprises two balls 164 and 166 instead of only one as in the previous embodiment.
  • the balls 164 and 166 are identical to the ball 150 except that their diameter is smaller.
  • the diameters of the balls 164 and 166 are more equal.
  • the figure 14 has an electronic lock 170 identical to the lock 6 except that the contact 100 is replaced by an electrical contact 172.
  • the contact 172 is identical to the contact 100 except that the ball 150 is replaced by a set of three connecting balls 174 to 176.
  • the balls 174 to 176 are located next to each other in the same plane perpendicular to the axis 132.
  • the balls 174 to 176 are identical to the ball 150 but of smaller diameter to be able to adopt the position represented on the figure 14 .
  • the balls 174 to 176 are directly supported, on one side, on the stud 120 and, on the opposite side, on the ball 140.
  • the connecting piece is therefore resting on the rear face of the ball 140 through only three separate point links and separated from each other. There are therefore also three different electrical paths that connect the ball 140 to the pad 120, each of these paths passing through a respective connecting ball.
  • this embodiment makes it possible to limit the length of the conduit 130 since the diameter of the connecting balls is even smaller.
  • the spring 184 is located inside the conduit 130. It bears directly, on one side, on the rear face of the ball 140 and, on the opposite side, on the stud 120.
  • the spring is made of an electrically conductor for electrically connecting the ball 140 to the pad 120.
  • the stud 120 is fixed without any degree of freedom on the rear end of the conduit 130.
  • the spring blade 144 is replaced by a blade 186 many more rigid and of the same shape.
  • the figure 16 represents an electronic lock 190 identical to the lock 6 except that the contact 100 is replaced by an electrical contact 192.
  • the contact 192 is identical to the contact 100 except that the connecting piece is made otherwise.
  • the connecting ball 150 is replaced by a cylindrical piston 194.
  • One end of this piston 194 is directly bearing on the rear face of the ball 140 and an opposite end is supported on the stud 120.
  • This piston 194 moves in translation inside the conduit 130. It is for example made of the same material as the ball 150.
  • the piston 194 is unable to rotate on itself about an axis perpendicular to the axis 132 of the conduit 130.
  • the end of the piston 194 bearing on the rear face 140 is, for example, flat so as to obtain a single point connection between this end and the rear face of the ball 140.
  • the number of electrical contacts of the electronic lock can be increased or decreased as needed.
  • the mechanical architecture of the electronic lock may be different from that described here.
  • the electronic lock may comprise a single half-stator.
  • the inner half-stator can be replaced by a locking latch and, alternately, manual unlocking of the electronic lock.
  • the electrical contact has been described in the particular case where it is used to establish an electrical connection between the blade of an electronic key and the mechanism 76 housed inside the fixed stator. of the electronic lock.
  • the teaching given here can be implemented to limit the wear of an electrical contact between any first and second parts of an electronic lock from the moment the first piece comprises an elongate channel adapted to receive the second part and the second part is movable, in translation and / or in rotation, inside this channel.
  • the channel 50 is made inside a rotor.
  • the mechanism 76 where at least the control unit 84 is housed inside this rotor and no longer inside the stator.
  • the electrical contacts as described here are then implemented to ensure the electrical connection between the key 16 and this rotor.
  • the duct is made in the rotor and no longer in the stator.
  • the channel 50 is made inside the rotor and the mechanism 76 remains housed inside the stator as described, for example, with reference to the figure 3 .
  • electrical contacts such as those described here can be implemented to ensure the electrical connection between the blade 38 and the rotor and / or between the rotor and the stator.
  • the electrical conductor is not a conductive tape but a simple guide wire.
  • the pad 120 may take other forms than that presented in the embodiments described so far.
  • the pad 120 is not necessarily flat. It can also be concave or convex.
  • the stud 120 can also be located inside the conduit.
  • the stud 120 is mechanically connected to the end of the spring blade 144 by a rod whose one end is fixed on the upper end of the leaf spring 144 and the other end is fixed on the rear face of the pad 120
  • the pad 120 is typically permanently located inside the conduit 130.
  • the electrical conductors described herein can be used to make electrical connections that have functions different from those presented so far.
  • the electrical connections can only be used to power the electric lock or only to transmit data.
  • the electrical connections can also be used to power the key from a power source contained in the electronic lock.
  • the number of electrical connections necessary for the operation of the electronic lock is therefore variable. In particular, the number of electrical connection can be reduced.
  • the stud 120 is interposed between the ball 140 and the spring 184. In this case, the stud 120 slides along the axis 132 inside the conduit 130.
  • the duct 130 is inclined with respect to the direction Y. In another variant, the duct 130 is not rectilinear.
  • the cross section of the conduit 130 is not necessarily circular.
  • the cross section of the conduit may be square or ellipsoidal or any other shape that allows to retain the ball or balls within this conduit.
  • the expression "diameter" designates the hydraulic diameter.
  • the conduit is not necessarily cylindrical.
  • the diameter of the duct at the location where the set of connecting balls is located may be greater than the diameter of the same duct at the level of the ball 140. In this case, there is a space to allow the balls to move. connection in a transverse plane of the conduit even if the diameter of these connecting beads is equal to or greater than that of the ball 140.
  • the conduit may be truncated cone-shaped.
  • the hardness of the inner wall of the duct 130 is less than the hardness of the balls that it contains.
  • the inner wall may also not be very smooth but only smooth.
  • the conduit 130 is made in a hard material implant inserted in the shell 54.
  • the shell 54 may be made of a material different from that forming the inner wall of the conduit 130 for example.
  • the shell 54 is then made of a less hard material.
  • the inner wall of the conduit 130 may also be made of an electrically conductive material and electrically isolated from other electrical contacts of the same lock.
  • the shell 54 is made of an electrically insulating material and the inner wall of the conduit 130 is made using a jacket of electrically conductive material such as a stainless steel jacket.
  • the electrical connection between the ball 150 and the mechanism 76 can then be established via the internal wall of the conduit 130 without passing through the stud 120.
  • the mechanism 76 is electrically connected directly at the end of the liner which opens into the recess 134 without passing through the stud 120.
  • the stud 120 serves only to permanently urge the ball 140 to its rest position. It is therefore no longer necessary to make it in a conductive material.
  • the stud 120 does not necessarily constitute the end of the conductor 112.
  • the ball 150 is not necessarily used to establish the electrical connection between the ball 140 and the mechanism 76.
  • the ball 150 may also be made of a non-conductive material such as ceramic.
  • the return means can also fulfill the function of electrical conductor as in the case of the lock 180.
  • the spring blade 144 is then made for this purpose in an electrically conductive material.
  • each electrical contact is electrically connected to the mechanism 76 by its own spring blade electrically isolated from the other leaf springs. Electrical conductors, such as conductor 112, can then be omitted.
  • the return means can comprise both a spring blade such as the spring blade 144 and a coil spring such as the spring 184. It is also possible to replace, in all the embodiments described here the leaf spring by a coil spring and vice versa.
  • the return means can be made using an elastomer block.
  • the spring 184 is replaced by such an elastomer block.
  • the connecting piece is possible while performing only one or more point links between the rear face of the ball 140 and the connecting piece.
  • the set of binding beads may comprise any number of binding beads and, in particular, more than two or three connecting beads.
  • These connecting balls can be placed one behind the other as described in the case of the lock 160 and / or next to each other as described in the case of the lock 170.
  • the number of discrete point links between the connecting piece and the rear face of the ball 140 is generally less than thirty, twenty or ten.
  • the shortest distance between two point links immediately adjacent to each other is generally greater than 50 ⁇ m or 100 ⁇ m or 250 ⁇ m.
  • the diameters of the different connecting balls of the same set may be identical or different.
  • the diameters of the connecting balls may decrease as the connecting ball approaches the stud 120.
  • the diameter of one or more of the connecting balls is greater than the diameter. of the ball 140.
  • a set of connecting balls may be introduced in all the embodiments described herein where such a set of connecting beads is absent.
  • the set of connecting balls or at least one of these connecting balls may also be replaced by a piston adapted to move in translation along the axis 132.
  • This piston will then be identical or similar to the piston 194 of the lock 190 .
  • the connection between the rear face of the ball 140 and the spring 184 is via a complete turn. It is not therefore a point link.
  • the bearing surface of this turn on the rear face of the ball 140 is much larger than in the case of one or more point links. Because of this, the wear of the ball 140 is faster in the case of the lock 180 than in the other embodiments described here where the contact between the rear face of the ball 140 and the connecting piece is only through point links.
  • the use, as a connecting piece, of a set of connecting balls interposed between the ball 140 and the pad 120 further limits the wear of the electrical contact.
  • each connecting ball and the rear stud of electrically conductive material makes it possible to establish, in addition to the mechanical contact with the ball 140, an electrical connection between this ball 140 and the conductor 112.
  • connection ball or balls which are directly in contact with the stud 120 so as to create a free space which allows these connecting balls to move in a radial direction, makes it possible to improve the In this case, the point of contact between the bonding ball or balls and the stud 120 is not always in the same place. The wear of the pad 120 is therefore distributed over a larger area. Therefore, the thinning of the pad 120 at a specific point is reduced.
  • the set of connecting balls comprises at least two connecting balls situated one behind the other, the locking in rotation of the connecting ball bearing on the stud 120 does not prevent the rotation of the ball 140 and the ball link that is in support on the ball 140. Thus, the wear of the ball 140 remains limited despite the rotational locking of one of the connecting balls.
  • the set of connecting balls comprises several connecting balls placed next to each other in a transverse plane of the conduit, there are then simultaneously several electrical paths to connect the ball 140 to the pad 120. This reduces the electrical resistance of the link electric. This also reduces the length of the conduit and therefore the bulk of the electrical contact.
  • connecting balls whose diameters are smaller than the diameter of the ball 140 can reduce the length of the conduit 130 and thus reduce the size of the electrical contact.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • General Physics & Mathematics (AREA)
  • Lock And Its Accessories (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
EP18183622.2A 2017-07-21 2018-07-16 Elektronisches schloss Active EP3431684B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1756907A FR3069268A1 (fr) 2017-07-21 2017-07-21 Serrure electronique

Publications (2)

Publication Number Publication Date
EP3431684A1 true EP3431684A1 (de) 2019-01-23
EP3431684B1 EP3431684B1 (de) 2020-04-29

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Application Number Title Priority Date Filing Date
EP18183622.2A Active EP3431684B1 (de) 2017-07-21 2018-07-16 Elektronisches schloss

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EP (1) EP3431684B1 (de)
FR (1) FR3069268A1 (de)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3119409A1 (fr) 2021-02-04 2022-08-05 Cogelec Cylindre électronique de serrure
FR3119411A1 (fr) 2021-02-04 2022-08-05 Cogelec Procédé de fonctionnement d’un système de contrôle d'accès
FR3119410A1 (fr) 2021-02-04 2022-08-05 Cogelec Système de contrôle d’accès
FR3126726A1 (fr) 2021-09-09 2023-03-10 Cogelec Procédé d'alimentation d'un cylindre électronique d'une serrure
FR3126725A1 (fr) 2021-09-09 2023-03-10 Cogelec Clef électronique
FR3132373A1 (fr) 2022-02-03 2023-08-04 Cogelec Procédé de contrôle d’accès à des bâtiments
FR3132374A1 (fr) 2022-02-03 2023-08-04 Cogelec Procédé de contrôle d’accès à des bâtiments
FR3132372A1 (fr) 2022-02-03 2023-08-04 Cogelec Procédé de contrôle d’accès à des bâtiments
EP4407580A1 (de) 2023-01-26 2024-07-31 Cogelec Zugangskontrollsystem
EP4435212A1 (de) 2023-03-21 2024-09-25 Cogelec Aussteller

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3110016B1 (fr) 2020-05-07 2022-04-08 Cogelec Clef électronique pour déverrouiller une serrure électronique

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2172928A (en) * 1985-03-25 1986-10-01 Dusung Precision Co Electronic lock and key
GB2190700A (en) * 1986-05-01 1987-11-25 Robert Edmund Todd Security system with key
EP0253499A2 (de) * 1986-06-16 1988-01-20 Schlumberger Industries Limited Elektronischer Schlüssel
EP0278905A1 (de) * 1987-02-09 1988-08-17 R. Berchtold Ag Kontakteinrichtung zur Übertragung von elektrischen Signalen zwischen Schloss und Schlüssel an einem Zylinderschloss
GB2219340A (en) * 1988-06-01 1989-12-06 Talleres Escoriaza Sa Electronic key
US5905446A (en) * 1997-03-24 1999-05-18 Diebold, Incorporated Electronic key system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2172928A (en) * 1985-03-25 1986-10-01 Dusung Precision Co Electronic lock and key
GB2190700A (en) * 1986-05-01 1987-11-25 Robert Edmund Todd Security system with key
EP0253499A2 (de) * 1986-06-16 1988-01-20 Schlumberger Industries Limited Elektronischer Schlüssel
EP0278905A1 (de) * 1987-02-09 1988-08-17 R. Berchtold Ag Kontakteinrichtung zur Übertragung von elektrischen Signalen zwischen Schloss und Schlüssel an einem Zylinderschloss
GB2219340A (en) * 1988-06-01 1989-12-06 Talleres Escoriaza Sa Electronic key
US5905446A (en) * 1997-03-24 1999-05-18 Diebold, Incorporated Electronic key system

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3119409A1 (fr) 2021-02-04 2022-08-05 Cogelec Cylindre électronique de serrure
FR3119411A1 (fr) 2021-02-04 2022-08-05 Cogelec Procédé de fonctionnement d’un système de contrôle d'accès
FR3119410A1 (fr) 2021-02-04 2022-08-05 Cogelec Système de contrôle d’accès
EP4039923A1 (de) 2021-02-04 2022-08-10 Cogelec Verfahren zum betrieb eines zugangskontrollsystems
EP4040409A1 (de) 2021-02-04 2022-08-10 Cogelec Zugangskontrollsystem
EP4039922A1 (de) 2021-02-04 2022-08-10 Cogelec Verfahren zum betrieb eines zugangssteuerungssystems
EP4039924A1 (de) 2021-02-04 2022-08-10 Cogelec Elektronischer schliesszylinder
FR3126726A1 (fr) 2021-09-09 2023-03-10 Cogelec Procédé d'alimentation d'un cylindre électronique d'une serrure
FR3126725A1 (fr) 2021-09-09 2023-03-10 Cogelec Clef électronique
EP4148215A1 (de) 2021-09-09 2023-03-15 Cogelec Elektronischer schlüssel
EP4148216A1 (de) 2021-09-09 2023-03-15 Cogelec Verfahren zur stromversorgung eines elektronischen zylinders eines schlosses
FR3132373A1 (fr) 2022-02-03 2023-08-04 Cogelec Procédé de contrôle d’accès à des bâtiments
FR3132374A1 (fr) 2022-02-03 2023-08-04 Cogelec Procédé de contrôle d’accès à des bâtiments
FR3132372A1 (fr) 2022-02-03 2023-08-04 Cogelec Procédé de contrôle d’accès à des bâtiments
EP4224441A1 (de) 2022-02-03 2023-08-09 Cogelec Verfahren zur steuerung des zugangs zu gebäuden
EP4224443A1 (de) 2022-02-03 2023-08-09 Cogelec Verfahren zur steuerung des zugangs zu gebäuden
EP4224442A1 (de) 2022-02-03 2023-08-09 Cogelec Verfahren zur steuerung des zugangs zu gebäuden
EP4407580A1 (de) 2023-01-26 2024-07-31 Cogelec Zugangskontrollsystem
FR3145370A1 (fr) 2023-01-26 2024-08-02 Cogelec Système de contrôle d’accès
EP4435212A1 (de) 2023-03-21 2024-09-25 Cogelec Aussteller
FR3146924A1 (fr) 2023-03-21 2024-09-27 Cogelec Entrebâilleur

Also Published As

Publication number Publication date
EP3431684B1 (de) 2020-04-29
FR3069268A1 (fr) 2019-01-25

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