EP2196605B1 - Elektromagnetisches Schloss - Google Patents

Elektromagnetisches Schloss Download PDF

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Publication number
EP2196605B1
EP2196605B1 EP09179297A EP09179297A EP2196605B1 EP 2196605 B1 EP2196605 B1 EP 2196605B1 EP 09179297 A EP09179297 A EP 09179297A EP 09179297 A EP09179297 A EP 09179297A EP 2196605 B1 EP2196605 B1 EP 2196605B1
Authority
EP
European Patent Office
Prior art keywords
lock
bolt
carcass
type according
electromagnetic type
Prior art date
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Active
Application number
EP09179297A
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English (en)
French (fr)
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EP2196605A1 (de
Inventor
Eric Bourgain
Jean-Jacques Masson
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Adler SA
Original Assignee
Adler SA
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Publication date
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Publication of EP2196605A1 publication Critical patent/EP2196605A1/de
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Publication of EP2196605B1 publication Critical patent/EP2196605B1/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
    • E05B47/02—Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means
    • E05B47/026—Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means the bolt moving rectilinearly
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0002—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C1/00—Fastening devices with bolts moving rectilinearly
    • E05C1/02—Fastening devices with bolts moving rectilinearly without latching action
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
    • H01F41/06—Coil winding
    • H01F41/098—Mandrels; Formers
    • 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
    • E05B2047/0073—Current to unlock only
    • E05B2047/0074—Current to unlock only holding means other than current (mechanical, magnetic)
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0002—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets
    • E05B47/0003—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets having a movable core
    • E05B47/0004—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets having a movable core said core being linearly movable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils
    • H01F5/02—Coils wound on non-magnetic supports, e.g. formers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/16—Rectilinearly-movable armatures
    • H01F7/1607—Armatures entering the winding

Definitions

  • the present invention relates to a lock of electromagnetic type, and a method of winding a coil for an electromagnetic type lock according to the invention.
  • Locks are already known comprising an electromagnetic coil wound around a carcass inside which a bolt of magnetizable material is guided in translation between a locking position and an unlocked position.
  • a spring forces the bolt into the latch strike, in the locked position.
  • Unlocking occurs by energizing the electromagnetic coil, causing, by magnetization, the retraction of the bolt inside the carcass.
  • EP 886,285 discloses a lock corresponding to the preamble of claim 1.
  • a DC voltage of 12V is generally applied to the electromagnetic coil.
  • the applied voltage is usually 24V.
  • the carcass is usually made of plastic and the electromagnetic coil consists of a copper wire. Since the expansion coefficient of the plastic is significantly higher than that of copper, the coil greatly limits the expansion of the carcass in the outer radial direction. The carcass thus expands naturally inwards, so that at constant external diameter, the internal diameter of the carcass decreases.
  • the carcass After operation, when the electromagnetic coil is no longer supplied with current, the carcass cools and the plastic shrinks. During the contraction, the carcass does not return to its original shape. It keeps its internal diameter previously reduced under the effect of the dilation, and it is its external diameter which decreases.
  • the latch When the latch is actuated for prolonged or repeated, the contraction effect of the carcass can result in a final binding of the carcass on the latch bolt. In this case, the bolt is blocked against the internal surface of the carcass and the lock becomes unusable. In the case where the lock is locked in its locking position, the showcase can no longer be opened.
  • Locking of the lock may also be due to a misalignment, even minimal, of the bolt inside the carcass. Such misalignment results in most cases of a bad guide bolt which, by jamming, makes it impossible to open the window.
  • the present invention aims to overcome the disadvantages of the prior art stated above.
  • an object of the present invention is to provide a lock of the electromagnetic type to avoid the phenomenon of hooping of the carcass on the latch bolt under the effect of heating due to the circulation of the feed stream of the coil.
  • Another object of the present invention is to avoid jamming of the bolt.
  • the first objective is achieved with an electromagnetic type lock comprising an electromagnetic coil wound around a carcass having a longitudinal axis, made of insulating material and inside which a bolt of magnetizable material is guided in translation, thanks to the fact that the carcass has a longitudinal slot extending over its entire length.
  • the lock undergoes a heating which causes expansion of the carcass. Due to a longitudinal slot in the carcass, it essentially expands in the circumferential direction, so that its expansion in the internal radial direction remains relatively low. The contraction of the carcass is, therefore, limited. A radial clearance can therefore be maintained between the bolt and the inner surface of the carcass and the hooping of the carcass on the bolt is avoided. Thanks to these provisions, it is possible to provide a very small clearance between the internal surface of the carcass and the bolt, without increasing the risk of shrinking, which also ensures an optimal retraction force of the bolt under the effect of magnetization.
  • the carcass comprises at least one segmented flange located at one end of the carcass.
  • a flange is intended for clamping the wire of the electromagnetic coil during the winding phase.
  • the flange must have at least one notch formed in the extension of said slot.
  • the segments of the flange are regularly distributed circumferentially and are inscribed in angular sectors of less than 30 °.
  • the fact that the flange is divided into a plurality of segments avoids deformations, in particular surface corrugations, due to heating. By reducing the circumferential stiffness of the carcass, it avoids the thermal stresses that may cause its deformation.
  • the width of the segments of the flange is chosen as low as possible, taking into account the constraints of manufacture.
  • the lock comprises a lock body in which are housed the electromagnetic coil and the bolt, the bolt being able to protrude out of the lock body through an opening in a first end wall of said lock body.
  • each segment of the flange comprises a locking portion capable of cooperating with a complementary locking portion of said lock body so as to avoid displacements of the carcass in the internal radial direction.
  • the locking portion of the flange segment is an arcuate rib and the locking portion complementary to the lock body is a concentric annular groove formed in said first end wall of the lock body, the arcuate rib being engaged in said groove.
  • a cavity is formed inside the bolt, said cavity extending in the axial direction of the bolt and comprising two sections in the extension of one another, a first section at the inner end of the bolt and a second guide section located at the outer end of the bolt and of diameter greater than the diameter of the first section, so that a shoulder is formed between the two sections, and the latch comprises a guide rod, secured axially to the lock body, on which slides the first guide section.
  • the stroke of the bolt must be guided properly to avoid any jamming likely to cause a locking of the lock.
  • the slightest misalignment of the bolt inside the carcass is sometimes enough to cause jamming.
  • the internal diameter of the carcass because of its manufacture, the winding technique, and thermal stresses, can sometimes be unstable, so that it is difficult for it to ensure satisfactory guidance of the bolt.
  • the guide length of the bolt Because of the very small dimensions required for the locks used for example in furniture or building frames, it is essential that the guide length of the bolt remains as short as possible. However, it is generally accepted that effective guiding must be done over a length at least equal to the internal diameter of the guide tube in the case of external guidance of the bolt. Ideally, the guide length is 1.5 to 2 times the diameter of the guide tube. It is therefore necessary that the guiding is carried out along a tube or a guide rod having a smallest possible diameter.
  • External bolt guidance can only be done by the internal diameter of the carcass and with a high functional clearance due to the dimensional instability of the latter (thermal deformation).
  • the guide diameter is therefore much higher in the case of external guidance.
  • the invention proposes to guide the bolt along a guide rod axially integral with the lock body, and mounted in a cavity formed inside the bolt.
  • the length / guide diameter ratio is much more favorable in the case of internal guidance.
  • Such internal guiding of the bolt makes it possible to limit the diameter of the rod and therefore the guide length, without, however, reducing the retraction force of the bolt.
  • the guide rod is fixed relative to the lock body.
  • the rod comprises a shoulder on its outer part, said shoulder of the guide rod being able to cooperate with the shoulder formed between the two lengths of the bolt to form an end stop for said bolt.
  • the guide rod comprises an axial blind hole
  • the latch comprises a spring mounted in the blind hole of said guide rod and resting on the end of the bolt.
  • the electromagnetic type latch according to the invention further comprises a field concentrator, said field concentrator being a piece of soft iron comprising an axial end wall extended by a core engaging to the inside the carcass.
  • the guide rod can be attached to the field concentrator.
  • the electromagnetic coil is made of thermo adherent wire.
  • the slot in the carcass is biased.
  • An electromagnetic type lock according to the invention is illustrated on the figure 1 , in its unlocked position.
  • the lock 100 comprises a cylindrical lock body 10, in which is housed an electromagnetic coil 20 wound around a carcass 30, a bolt 60, able to translate in said carcass 30 between a locking position and an unlocked position, and a concentrator of field 50. All of these elements are coaxial around an axis A represented on the figure 1 .
  • the external axial direction of the latch 100 is defined as the direction in which the latch bolt moves when it moves out of the latch body 10, towards its locking position (this direction is represented by an arrow on the figure 5 ).
  • the inner axial direction of the latch 100 is defined as that pointing towards the frame of the cabinet or structure in which the latch is mounted.
  • the electromagnetic coil 20 consists of a copper wire 22, wound around the carcass 30. The two ends of the wire of the coil are connected to a current generator (not shown) outside the lock body.
  • the carcass 30 is made of an insulating material, for example plastic. It comprises a hollow cylindrical body 32 which extends along the longitudinal axis A, and has an external diameter d1 and an internal diameter d2.
  • the carcass body 32 has a slot 34 of constant width d3, extending over its entire length.
  • the carcass 30 comprises a flange 36, 38 of external diameter d4 at least equal to the external diameter d5 of the electromagnetic coil 20, and intended to grip the copper wire 22 during the winding phase ( figure 1 ).
  • a first flange 36 is placed at the inner end 32a of the cylindrical body 32 of the carcass 30.
  • the second flange 38 is provided near the outer end 32b of the cylindrical body 32.
  • the distance d6 between the second flange 38 and the outer end 32b of the body 32 of the carcass 30 corresponds to the thickness of the first end wall 14 of the lock body 10.
  • the outer end 32b of the carcass body 32 is flush with the surface external 14a of the outer end wall 14 of the lock body 10, while the second flange 38 abuts against the inner surface 14b of said end wall 14.
  • each flange 36, 38 consists of a plurality of segments 40 regularly distributed in the circumferential direction.
  • each segment 40 is part of an angular sector of angle ⁇ less than 30 °.
  • the second flange 38 of the carcass 30 further includes, on each of its segments 40, on the side facing the lock body 10, an arcuate rib 42 adapted to be engaged in a concentric annular groove 16 formed in the first end wall 14 of the lock body 10.
  • FIG. 3 and 4 show two different embodiments of the arcuate rib 42 of the second flange 38 of the carcass 30. It may be placed at the outer radial end of each segment 40 of the flange 38, in accordance with FIG. figure 3 , or located substantially in the middle of each segment 40 taken in its radial direction, as represented on the figures 1 and 4 .
  • a field concentrator 50 is mounted at the inner end of the carcass 30. It comprises an axial end wall 52, circular, of diameter d7 substantially equal to the inside diameter d8 of the lock body 10.
  • the end wall 52 is applied against the inner face 32a of the carcass body 32, and therefore, in fact, against the first flange 36.
  • An O-ring 54 is engaged in an annular groove 56 formed on the periphery of the axial end wall 52, in order to guarantee the tightness of the internal space of the latch 10.
  • the axial end wall 52 is extended in the outer axial direction by a circular concentric core 58 of diameter substantially equal to the internal diameter d2 of the carcass 30 and of length L, forcibly engaged inside the carcass.
  • the field concentrator 50 is made of soft iron. In general, it may be made of any magnetizable material known to those skilled in the art.
  • the bolt 60 is housed inside the carcass 30. It comprises a bolt body 62, in which is formed a cavity 64, and a bolt cap 66 fixed at its outer end. As illustrated on the figure 1 , the outer diameter d9 of the bolt is slightly smaller than the internal diameter d2 of the carcass 30, so as to keep between these two parts a radial clearance e1 sufficient for the bolt 60 can translate within the carcass 30, the along the A axis.
  • the cavity 64 is a through hole extending in the axial direction of the bolt body 62 and covered at its outer end by the bolt cap 66.
  • the cavity 64 comprises two sections in the extension of one another, a first inner diameter guide section 68 d10 located at the inner end of the bolt 60 and a second guide section 70 located at the outer end of the bolt 60.
  • the inner diameter d11 of the second guide section 70 is greater than the diameter d10 of the first section 68, so that a shoulder 72 is formed between the two sections 68 and 70.
  • the bolt 60 is made of soft iron.
  • the bolt 60 may consist of any magnetizable material known to those skilled in the art.
  • the first guide portion 68 of the bolt 60 is guided in translation along a guide rod 76, mounted in the cavity 64 of the bolt 60 and fixed relative to the lock body.
  • the guide rod 76 comprises a first cylindrical portion 78 of diameter d12 mounted in an axial through hole 59 formed in the field concentrator 50.
  • the guide rod 76 is fixed on the field concentrator 50 by crimping, at its lower end.
  • the guide rod 76 is force-fitted in the field concentrator 50 or fixed by a circlip. Since the field concentrator 50 is itself fixed with respect to the lock body 10, the same is true of the guide rod 76.
  • the first portion 78 of the guide rod 76 is extended in the outer axial direction by a second hollow cylindrical portion 80 whose diameter d13 is greater than the diameter d12 of the first portion and equal to the diameter d10 of the first bolt section 68.
  • second portion 80 of the guide rod 76 serves to guide in translation the first bolt section 68. It comprises, at its outer end, a shoulder 82 intended to cooperate with the shoulder 72 formed between the two sections 68, 70 of the bolt 60 to form an end stop for said bolt.
  • the guide rod 76 has an axial blind hole 84 formed on its outer part, in which a spring 86 is mounted.
  • the spring bears on the inner face 66a of the bolt cap 66 on the one hand and on the bottom 84a of the blind hole 84 on the other hand. In this way, it constrains the latch 60, by default, in a locking position in which it protrudes out of the lock body 10, through an opening 12 of said body, and engages in an adjacent striker (not shown) .
  • the latch 100 is closed at its lower end by a plastic cover 88, held in an annular groove 18 formed in the lock body 10.
  • a space 89 is thus defined between the inner surface of the field concentrator 50 and the cover 88. in which can be injected a resin for protecting the electrical son (not shown) of the lock.
  • the general operation of the electromagnetic lock 100 is as follows:
  • the spring 86 forces the bolt 60 into its locking position.
  • the bolt 60 protrudes out of the lock body 10 through an opening 12 formed in a first end wall 14 of the lock body 10, located on its outer side.
  • the bolt 60 cooperates with a striker (not shown). This situation is represented on the figure 5 .
  • the lock 100 may be designed with a locking identification system, allowing the real-time detection of locking or unlocking the lock. This detection is then performed by means of a current looping between the bolt 60 and latch strike.
  • a first wire is then connected, on the inner side of the latch, to the field concentrator 50 which is in electrical contact with the spring 86 and the bolt cap 66 and a second wire is in contact with the lock body 10 electrically isolated from the bolt.
  • the bolt cap 66 comes into contact with the strike, it closes an electrical circuit which then transmits a signal to the user informing him of the latch lock.
  • the electromagnetic coil 20 is energized, so that, under the effect of the magnetic force on the bolt 60, it is biased towards the inner side of the latch 100.
  • the effort applied to the bolt 60 by the electromagnetic coil 20 to bring it back inside the carcass 30 is referred to as the retraction effort.
  • the supply of the electromagnetic coil 20 for unlocking leads to a heating of the various components of the lock.
  • the carcass 30 undergoes a rise in temperature which is all the more difficult to be compensated by the Joule effect that the lock is compact and small.
  • the temperature rise is substantially proportional to the feeding time of the coil.
  • the temperature of the lock and in particular of the carcass, is very rapidly increased. Tests have shown that the temperature increase of the lock can be of the order of 1 ° C per second supply of the electromagnetic coil.
  • the coefficient of expansion of the plastic constituting the carcass is about 5 ⁇ 10 -5 / K
  • the coefficient of expansion of the copper of the wire of the electromagnetic coil is about 1.5 ⁇ 10 -5 / K, that is more 3 times less than plastic. The coil thus prevents any radial expansion of the carcass in the outer radial direction.
  • the slot 34 formed in the carcass 30 tends to expand in the circumferential direction, under the effect of the heating of the supply of the coil 20, so that the edges 34a, 34b of the slot 34 are gradually getting closer to each other.
  • the internal diameter d2 of the carcass 30 decreases only slightly. Even in the case of prolonged or repeated feeding, the contraction of the carcass remains very limited. In particular, the internal diameter of the carcass decreases only very slightly and even ends up stabilizing after several cycles of supply of the coil.
  • the radial clearance e1 between the carcass 30 and the bolt 60 is easily retained and any risk of hooping is discarded.
  • the resistance to overheating of the latch 100 is very largely pushed back to the limit of temperature resistance of the plastic used, the enamel or the insulating varnish of the wound wire and finally the sheath of the coil output wires.
  • the core 58 of the field concentrator 50 prevents any radial displacement of the carcass 30 in the internal radial direction.
  • the radial blocking of the carcass is ensured by the shape cooperation between the arcuate rib 42 provided on the second flange 38 of the carcass and the concentric annular groove 16 formed in the lock body 10. look of said rib 42. This form of cooperation prohibits any displacement of the carcass in the internal radial direction.
  • the flanges 36, 38 form an integral part of the carcass. According to another embodiment, they may be replaced during winding by removable washers fixed to the carcass and removed immediately after. According to yet another embodiment, the coil is made of thermo adherent wire, making superfluous the flanges and washers.
  • the method according to the invention proposes to insert in the slot 34 of the carcass 30, during the winding, a key 90 of width corresponding to the desired width for the slot 34. Moreover, to facilitate the withdrawal of the key 90 at the end of winding and allow easy removal of the carcass 30 of the winding mandrel 92 at the end of winding, the slot 34 of the carcass, as well as the key 90, are advantageously biased. Such a carcass is represented on the figure 6 .
  • the winding process comprises the following steps: As illustrated on the figure 7 , the carcass 30 is first mounted on a winding mandrel 92.
  • the winding mandrel 92 itself has a slot 94 of width slightly greater than the maximum width of the slot 34 of the carcass 30.
  • the edges 94a, 94b of the slot 94 made in the winding mandrel 92 are arranged in the extension of the slots 34a, 34b of the slot 34 of the carcass 30.
  • a biased key 90 is inserted into the respective slots 34 and 94 of the carcass and of the winding mandrel and fixed to the winding mandrel 92.
  • the winding mandrel 92 is then rotated until the wire 22 of the electromagnetic coil 20 is fully wound around the carcass 30.
  • the key 90 is then removed from the slot 34 of the carcass and the winding mandrel 92 and the carcass 30 is removed from the winding mandrel 92, as illustrated on the figure 8 .
  • the solenoid obtained is therefore ready to be mounted in a lock body 10 as described above.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Electromagnets (AREA)
  • Insulating Of Coils (AREA)
  • Coils Of Transformers For General Uses (AREA)
  • Pens And Brushes (AREA)
  • Slot Machines And Peripheral Devices (AREA)
  • Surgical Instruments (AREA)

Claims (15)

  1. Schloß elektromagnetischer Art (100) umfassend eine elektromagnetische Spule (20), die um ein Gestell (30) mit einer Längsachse (A) gewickelt ist, das aus Isoliermaterial gefertigt ist und in dem ein Riegel (60) aus magnetisierbarem Werkstoff verschieblich geführt ist, dadurch gekennzeichnet, daß das Gestell (30) einen Längsschlitz (34) aufweist, der sich über seine gesamte Länge erstreckt.
  2. Schloß elektromagnetischer Art (100) nach Anspruch 1, dadurch gekennzeichnet, daß das Gestell (30) ferner wenigstens einen in Segmente unterteilten, an einem Ende des Gestells (30) befindlichen Flansch (36, 38) umfaßt.
  3. Schloß elektromagnetischer Art nach Anspruch 2, dadurch gekennzeichnet, daß die Segmente (40) des Flansches (36, 38) in Umfangsrichtung gleichmäßig verteilt sind und in Winkelsektoren (θ) von weniger als etwa 30° enthalten sind.
  4. Schloß elektromagnetischer Art (100) nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß es ferner einen Schloßkörper (10) umfaßt, in dem die elektromagnetische Spule (20) und der Riegel (60) aufgenommen sind, wobei der Riegel (60) geeignet ist, durch eine Öffnung (12), die in einer ersten endseitigen Wand (14) des Schloßkörpers (10) ausgebildet ist, aus dem Schloßkörper (10) hervorzuragen.
  5. Schloß elektromagnetischer Art (100) nach Anspruch 4 und einem der Ansprüche 2 und 3, dadurch gekennzeichnet, daß jedes Segment (40) des Flansches (38) einen Blockierabschnitt (42) umfaßt, der geeignet ist, mit einem ergänzenden Blockierabschnitt (16) des Schloßkörpers (10) zusammenzuwirken, um die Radialverformungen des Gestells (30) zu vermeiden.
  6. Schloß elektromagnetischer Art (100) nach Anspruch 5, dadurch gekennzeichnet, daß der Blockierabschnitt (42) des Segments (40) eine bogenförmige Rippe ist und der ergänzende Blockierabschnitt (16) des Schloßkörpers (10) eine konzentrische Ringnut ist, die in der ersten endseitigen Wand (14) des Schloßkörpers (10) ausgebildet ist, wobei die bogenförmige Rippe in die Nut eingesteckt ist.
  7. Schloß elektromagnetischer Art (100) nach Anspruch 4 und einem der Ansprüche 1 bis 6, dadurch gekennzeichnet,
    daß ein Hohlraum (64) innerhalb des Riegels (60) ausgebildet ist, wobei der Hohlraum (64) sich in der axialen Richtung (A) des Riegels (60) erstreckt und zwei Abschnitte (68, 70) in der Verlängerung des jeweils anderen umfaßt, einen ersten Führungsabschnitt (68), der am inneren Ende des Riegels (60) gelegen ist, und einen zweiten Führungsabschnitt (70), der am äußeren Ende des Riegels (60) gelegen ist und einen Durchmesser (d11) aufweist, der größer als der Durchmesser (d10) des ersten Abschnitts (68) ist, so daß zwischen den beiden Abschnitten (68, 70) eine Schulter (72) gebildet wird, und
    daß das Schloß ferner eine mit dem Schloßkörper (10) axial fest verbundene Führungsstange (76) umfaßt, an der der erste Führungsabschnitt (68) gleitet.
  8. Schloß elektromagnetischer Art (100) nach Anspruch 7, dadurch gekennzeichnet, daß die Führungsstange (76) gegenüber dem Schloßkörper (10) fest ist.
  9. Schloß elektromagnetischer Art (100) nach Anspruch 7 oder 8, dadurch gekennzeichnet, daß die Stange (76) an ihrem äußeren Teil eine Schulter (82) aufweist, wobei die Schulter (82) der Führungsstange (76) mit der zwischen den beiden Abschnitten (68, 70) des Riegels (60) gebildeten Schulter (72) zusammenwirken kann, um einen Endanschlag für den Riegel (60) zu bilden.
  10. Schloß elektromagnetischer Art (100) nach einem der Ansprüche 7 bis 9, dadurch gekennzeichnet,
    daß die Führungsstange (76) ein axiales Sackloch (84) aufweist und
    daß das Schloß ferner eine Feder (86) umfaßt, die in dem Sackloch (84) der Führungsstange (76) und in Anlage an dem Ende des Riegels (60) angebracht ist.
  11. Schloß elektromagnetischer Art (100) nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß es ferner einen Feldkonzentrator (50) umfaßt und daß der Feldkonzentrator (50) ein Weicheisenteil ist, der eine axiale endseitige Wand (52) umfaßt, welche durch einen in das Gestell (30) eingreifenden Kern (58) fortgesetzt ist.
  12. Schloß elektromagnetischer Art nach Anspruch 11 und einem der Ansprüche 7 bis 10, dadurch gekennzeichnet, daß die Führungsstange (76) an dem Feldkonzentrator (50) befestigt ist.
  13. Schloß elektromagnetischer Art nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, daß der in dem Gestell (30) ausgebildete Schlitz (34) schräg verläuft.
  14. Schloß elektromagnetischer Art nach Anspruch 1, dadurch gekennzeichnet, daß die elektromagnetische Spule (20) aus unter Wärme haftendem Draht gefertigt ist.
  15. Verfahren zum Wickeln einer elektromagnetischen Spule für das Schloß nach Anspruch 13, dadurch gekennzeichnet, daß es darin besteht,
    a) das Gestell (30) auf einer Wickelhülse (92) anzubringen,
    b) in den Schlitz (34) des Gestells (30) einen schrägverlaufenden Keil (90) einzuführen, der mit dem Schlitz (34) des Gestells (30) formergänzend zusammenwirkt und mit der Wickelhülse (92) drehfest ist,
    c) die Wickelhülse (92) in Rotation zu versetzen, so daß der Draht (22) der elektromagnetischen Spule (20) um das Gestell (30) gewickelt wird,
    d) den Keil (90) aus dem Schlitz (34) des Gestells (30) herauszuziehen,
    e) das Gestell (30) von der Wickelhülse (92) abzunehmen.
EP09179297A 2008-12-15 2009-12-15 Elektromagnetisches Schloss Active EP2196605B1 (de)

Applications Claiming Priority (1)

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FR0858592A FR2939827B1 (fr) 2008-12-15 2008-12-15 Verrou electromagnetique.

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EP2196605A1 EP2196605A1 (de) 2010-06-16
EP2196605B1 true EP2196605B1 (de) 2011-09-28

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CN110259273A (zh) * 2019-06-24 2019-09-20 重庆川仪速达机电有限公司 一种防水电磁锁
CN111312511A (zh) * 2020-02-28 2020-06-19 北京交通大学 一种跑道型超导线圈绕制装置及绕制方法

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Publication number Priority date Publication date Assignee Title
CH316009A (de) * 1952-02-22 1956-09-15 Siemens Ag Spule mit aus einem Rohrkörper und Flanschen bestehenden Giessharzspulenkörper, insbesondere für Messwandler oder dergleichen
FR2494889A1 (fr) * 1980-11-25 1982-05-28 Legrand Sa Carcasse pour transformateur
AT382699B (de) * 1982-07-02 1987-03-25 Uher Ag Magnetisierungsspulenkoerper fuer magnetventile
GB8309558D0 (en) * 1983-04-08 1983-05-11 Gen Electric Co Plc Electrical windings
US5936500A (en) * 1997-06-18 1999-08-10 Eaton Corporation Bi-stable self-adjusting actuator mechanism
DE102006006031B4 (de) * 2005-04-20 2009-12-24 Bürkert Werke GmbH & Co. KG Elektromagneteinheit sowie Verfahren zur Herstellung einer solchen Elektromagneteinheit und eines Magnetgehäuses für eine solche Elektromagneteinheit

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ATE526477T1 (de) 2011-10-15
FR2939827A1 (fr) 2010-06-18
EP2196605A1 (de) 2010-06-16

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