EP3061159B1 - Steckdoseneinheit - Google Patents

Steckdoseneinheit Download PDF

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Publication number
EP3061159B1
EP3061159B1 EP14786922.6A EP14786922A EP3061159B1 EP 3061159 B1 EP3061159 B1 EP 3061159B1 EP 14786922 A EP14786922 A EP 14786922A EP 3061159 B1 EP3061159 B1 EP 3061159B1
Authority
EP
European Patent Office
Prior art keywords
electrical
plug
socket
outlet assembly
base
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
EP14786922.6A
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English (en)
French (fr)
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EP3061159A1 (de
Inventor
Charles Blondel
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.)
Schneider Electric Industries SAS
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Schneider Electric Industries SAS
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Filing date
Publication date
Application filed by Schneider Electric Industries SAS filed Critical Schneider Electric Industries SAS
Publication of EP3061159A1 publication Critical patent/EP3061159A1/de
Application granted granted Critical
Publication of EP3061159B1 publication Critical patent/EP3061159B1/de
Active legal-status Critical Current
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0231—Magnetic circuits with PM for power or force generation
    • H01F7/0252—PM holding devices
    • H01F7/0263—Closures, bags, bands, engagement devices with male and female parts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/44—Means for preventing access to live contacts
    • H01R13/447—Shutter or cover plate
    • H01R13/453—Shutter or cover plate opened by engagement of counterpart
    • H01R13/4532—Rotating shutter
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/6205—Two-part coupling devices held in engagement by a magnet

Definitions

  • the present invention relates to a set of electrical outlets comprising an electrical base and an electrical plug adapted to come into electrical contact removably with the electrical base.
  • the electrical base is attached to a wall of a building and is connected to the electrical network, and the electrical plug is equipped with an electrical appliance operating through the electric current of the electrical network.
  • the electrical plug has two male pins that the user inserts into complementary female openings in the electrical base. This manipulation has the disadvantage for the user of having to position the pins correctly in the openings, which is tedious. In addition, the operator must provide a relatively large force to drive the pins into the openings.
  • FR-A-2964501 discloses a set of electrical outlets equipped with magnetic positioning elements to prevent the user from having to correctly orient the pins, and facilitating the electrical connection.
  • This assembly comprises an electrical base comprising a first and a second electrical contacts, in the form of pins, adapted to come each respectively in electrical contact with a first and a second electrical annular and concentric tracks of the plug.
  • the pins are movable between a first retracted position inside the base and a second position protruding outside the base.
  • the base is provided with a first magnetic element adapted to collaborate with a second magnetic element equipping the plug, so as to generate a magnetic force able to position and hold the plug against the base and move the pins in the second position in order to allow the establishment of an electrical contact with the tracks of the sheet.
  • the electrical tracks being annular, it is not necessary for the operator to be concerned about the angular orientation of the plug relative to the base to make the connection. In addition, the operator does not need to provide a connection force to make the connection because the magnetic elements automatically attract the plug against the base.
  • This set of electrical outlets is relatively expensive because the first magnetic element equipping the base has relatively large dimensions to allow the establishment of the pins in the empty space defined by its annular shape.
  • the invention intends to remedy more particularly by proposing a set of electrical sockets whose manufacturing cost is reduced.
  • the invention relates to a set of electrical outlets comprising an electrical base and an electrical plug adapted to come into electrical contact removably with the base.
  • the base comprises at least a first and a second electrical contacts adapted to each respectively come into electrical contact with a first and a second concentric electrical track of the plug.
  • the electrical contacts are movable between a first position in which they are retracted inside the base and between a second position in which they protrude outside the base.
  • the base is provided with a first magnetic element adapted to collaborate with a second magnetic element equipping the plug so as to generate a magnetic force able to position and hold the plug against the base and to move the electrical contacts in the second position in order to establish an electrical contact between the electric tracks and the electrical contacts.
  • the first magnetic element is in the form of a ring portion and the first electrical path is made from a material capable of guiding a magnetic field generated by the magnetic elements when the plug is connected to the basement.
  • the ring-shaped portion of the first magnetic element allows a saving of material with respect to an annular magnetic element.
  • the free space defined between the ends of this ring portion can accommodate one of the electrical contacts of the base, so that the overall size of the set of electrical outlets is reduced.
  • the use of a material capable of driving and guiding a magnetic field to make the first annular electric track of the plug guides the magnetic field lines, so that the magnetic force in the gap defined between the magnetic elements is balanced, allowing a satisfactory connection.
  • the Figures 1 and 2 show a set of electrical outlets 1 comprising an electrical base 2 and an electrical plug 3 adapted to come into mechanical and electrical contact, removably, with the electrical base.
  • the base 2 and the plug 3 each comprise a cover 20 or 30 shown only at the figure 1 .
  • the base 2 is connected to the electrical network and the plug 3 equips an electrical appliance for domestic use, for example a lamp or an electrical appliance.
  • the base 2 is generally fixed and the plug 3 is mobile.
  • the base 2 and the plug 3 each comprise a body 21 or 31 which is housed inside the cover 20 or 30, and a substantially flat contact surface A2 or A3.
  • the contact faces A2 and A3 are intended to be placed in contact with each other when the plug 3 is connected to the base 2.
  • the base 2 and the plug 3 each extend along a central longitudinal axis X2 or X3.
  • an operator approaches the plug 3 of the base 2 by aligning the longitudinal axes X2 and X3, so as to bring into contact the contact faces A2 and A3.
  • the plug 3 comprises at least two concentric electrical tracks 32A and 32B centered on the longitudinal axis A3, visible to the figures 1 , 6 and 8 and arranged on the contact face A3 of the plug 3. To figures 2 and 5 , the first electrical track 32A is not shown.
  • the first track 32A is annular. It forms a closed ring that extends 360 ° around the longitudinal axis X3.
  • the second track 32B is cylindrical and extends along the longitudinal axis X3, in the void volume delimited within the annular shape of the first track 32A.
  • the tracks 32A and 32B are electrically insulated from each other and they are each connected to a not shown electrical wire, intended to be connected to an electrical apparatus connected to the plug 3.
  • the electric tracks 32A and 32B are provided to come each in electrical and mechanical contact with an electrical contact of the base 2 which is under the shape of a pin 22A and 22B, that is to say a conductive metal rod.
  • the base 2 thus comprises two pins 22A and 22B.
  • the electrical plug 3 optionally includes a third electrical track to be connected to a ground.
  • the second track 32B is annular and the third electrical track is disposed in the empty volume defined by the second track 32B.
  • the body 21 forms the distal end E2 of the base 2.
  • Each hole 212 has a large diameter portion on the distal end E2 side and a reduced diameter portion on the contact face A2 side so as to form an annular shoulder 214 within the body 21.
  • a candle 24 is slidably mounted inside each hole 212.
  • the candles 24 comprise a tubular portion whose diameter is substantially equal to the functional clearances, to the smallest diameter of the holes 212, so as to allow a translational movement and rotation, along the longitudinal axis X2, of the candle 24 relative to the body 21.
  • a first compression spring 25 is mounted in each hole 212, around the tubular portion of the candle 24.
  • the spring 25 bears against the shoulder 214 of the hole 212 and against an annular portion 242 distal of the candle 24 whose diameter is greater than that of the tubular part.
  • the spring 25 generates a force R25 tending to back the candle 24 towards the distal end E2 of the base 2.
  • a screw 286 is slidably mounted inside each candle 24.
  • Each screw 286 has a head adapted to abut against the annular portion 242 of the candle 24, so as to block the translational movement of the screw 286 relative to the candle 24 along the longitudinal axis X2 and in a direction from the distal end E2 of the base 2 to the contact face A2.
  • the base 2 comprises a pusher 27 having through holes for the screws 286.
  • the pusher 27 is free to translate, along the axis X2, relative to the body 21.
  • the pusher 27 is interposed between the body 21 and a support 28 having threaded holes in which are screwed screws 286.
  • the support 28 and the screws 286 are integral.
  • Each hole 282 has a large diameter portion, on the distal end E2 side, and a reduced diameter portion on the contact face A2 side, so as to form a shoulder 284 inside the support 28.
  • the pins 22A and 22B are each housed inside one of the holes 282 and protrude outside the support 28 on the side of the contact face A2.
  • Each pin 22A and 22B comprises a flange 222 adapted to abut against the shoulder 284 of the hole 282.
  • a second compression spring 29 is mounted around each pin 22A and 22B, in the hole 282 receiving the pin 22A or 22B.
  • the springs 29 bear each against the shoulder 284 of the hole 282 and against the flange 222 of the pin 22A or 22B.
  • the springs 29 generate a force R29 tending to get the pins out of the cover 20, that is to say, advance them along the longitudinal axis X2 in a direction from the distal end E2 of the base 2 towards the contact face A2.
  • the set of electrical sockets 1 comprises a first and a second magnetic elements 23 and 33 generating, when the plug 3 is close to the base 2, a magnetic force M1 for positioning and holding the plug 3 on the base 2 so that the electrical tracks 32A and 32B respectively come into electrical and mechanical contact with the contacts 22A and 22B of the base 2.
  • the first magnetic element 23 is a permanent magnet which equips the contact face A2 of the base 2 and which has the shape of a ring portion, in other words an open ring, extending over an angular sector ⁇ 23 of between 180 and 330 °, preferably between 240 and 300 °.
  • the angular sector ⁇ 23 is approximately equal to 270 °.
  • E23 and E'23 denote the ends of the first magnet 23, between which is measured the angular sector ⁇ 23.
  • a ring 26 is interposed between the support 28 and the first magnetic element 23.
  • the support 28, the ring 26 and the first magnet 23 are integral.
  • the ring 26 has the shape of a ring portion which extends over an angular sector equal to the angular sector ⁇ 23 of the first magnet 23.
  • D23 denotes an internal diameter D23 of the first magnet 23 and the ring 26.
  • An outer diameter of 23 of the first magnet 23 and the ring 26 is strictly greater than the internal diameter D23.
  • the first pin 22A passes through the free space delimited between the ends E23 and E'23 of the first magnetic element 23 and, similarly, between the ends of the ring 26.
  • a distance D22 between the longitudinal axis X2 and the first pin 22A is between the inside diameter D23 and the outside diameter D'23 of the first magnetic element 23.
  • the cover 20 of the base 2 is equipped with two pairs of retractable flaps 202A and 202B and resilient means for returning flaps 202A and 202B in the closed position such as torsion springs, not visible in the figures.
  • the flaps 202A and 202B obstruct openings 203 formed in the cover 20, on the contact face A2, so as to allow the output of the pins 22A and 22B out of the cover 20.
  • the second magnetic element 33 is a permanent magnet disposed inside the plug 3, under the first electrical track 32A.
  • the second magnet 33 has the shape of a ring portion, in other words an open ring, extending over an angular sector ⁇ 33 of between 240 and 350 °, preferably between 270 and 330 °.
  • the angular sector ⁇ 33 is approximately equal to 300 °.
  • E33 and E'33 denote the ends of the second magnet 33, between which is measured the angular sector ⁇ 33.
  • the north and south poles of the first and second magnets 23 and 33 are oriented so that the magnets 23 and 33 attract each other when the contact faces A2 and A3 of the base 2 and of the plug 3 are brought closer to one another. other.
  • the operation is as follows.
  • the plug 3 When the plug 3 is at a sufficiently distant distance from the base 2, the magnetic force M1 is absent or too weak to act on the set of electrical outlets 1.
  • the first spring 25 of the base 2 pushes the candle 24 towards the end distal E2 of the base 2, which has the effect of moving the support 28, the ring 26 and the first magnetic element 23 against the pusher 27 which is compressed between the body 21 and the support 28.
  • the pins 22A and 22B are retracted inside the cover 20 and the flaps 202A and 202B are closed.
  • the magnetic force M1 attracts the first magnet 23 towards the plug 3, so that the first magnet 23, the ring 26 and the support 28 move in translation, along the line X axis and in a direction from the distal end E2 of the base 2 to the contact face A2.
  • the screws 286 being secured to the support 28, they cause the candles 24 towards the contact face A2, against the restoring force R25 exerted by the first spring 25.
  • the first spring 25 is compressed and the candles 24 push the pusher 27 towards the contact face A2.
  • the pusher 27 thus moves away from the body 21 and follows the movement of the support 28.
  • the pins 22A and 22B then leave the cover 20 by causing the flaps 202A and 202B in the open position, until they reach a position in which they project outside the contact face A2, so as to be able to come into contact with the plug 3.
  • the first track 32A of the plug 3 presses the first pin 22A and the second track 32B presses the second pin 22B, in order to establish an electrical and mechanical contact.
  • the plug 3 thus pushes the pins 22A and 22B against the restoring forces R29 exerted by the second springs 29.
  • the second springs 29 thus provide a mechanical and electrical contact technically between the pins 22A and 22B and the tracks 32A and 32B .
  • the magnetic force M1 automatically attracts the contact face A3 of the plug 3 against the contact face A2 of the base 2, in a position where the axes A2 and A3 are aligned.
  • the operator does not have to provide an effort to make the mechanical connection between the plug 3 and the base 2, nor to precisely align the axes A2 and A3.
  • the angular orientation of the plug 3 relative to the base 2, around the axes A2 and A3, is not critical to achieve the electrical connection.
  • the user does not need to be concerned about the angular orientation of the plug 3 with respect to the base 2 because the tracks 32A and 32B of the plug 3 extend over 360 °, which facilitates the connection operation .
  • the figure 9 represents two magnets 100 and 200 of annular shape each forming a closed contour, ie each extending over 360 °.
  • the magnets 100 and 200 are slightly spaced from each other so as to delimit an air gap E, and are aligned along an axis X.
  • the magnets 100 and 200 are symmetrical of revolution and generate field lines Magnet L100 in the shape of a torus with symmetry of revolution about the X axis. These L100 field lines extend around the magnets 100 and 200, in particular between the magnets 100 and 200, in the gap zone E, where they are parallel to the X axis.
  • a set of electrical outlets of the prior art equipped with the magnets 100 and 200 of the figure 9 allows to generate a magnetic force distributed homogeneously over 360 °, centered on the longitudinal axis X of the plug and the base and parallel to the longitudinal axis. This ensures a satisfactory connection between the plug and the base but requires the use of magnets 100 and 200 of large dimensions in order to accommodate the pins in the empty space defined by the annular shape of the magnet 200 of the base 2.
  • a set of electrical outlets of the prior art therefore has a significant manufacturing cost and bulk.
  • the figure 10 shows two magnets 101 and 201 which are slightly spaced apart from each other so as to delimit an air gap E, and which are aligned along a longitudinal axis X.
  • the magnet 101 is annular in shape and forms an outline closed, ie it extends over 360 °.
  • the magnet 201 is in the form of an open ring and extends over an angular sector equal to 270 °, as shown in projection in the upper part of the figure 10 .
  • a ring 301 is disposed against the magnet 101, the side of the magnet 201.
  • the ring 301 is made from a material such as copper, which conducts electricity but is not a magnetic conductor.
  • the ring 301 does not modify the magnetic field created by the magnets 101 and 201.
  • the magnetic field lines L101 generated by the magnets 101 and 201 do not show a symmetry of revolution either, we observe an imbalance of the field lines. Therefore, the magnetic force generated by the magnets 101 and 201 is not homogeneously distributed about the X axis.
  • the figure 11 shows the magnets 23 and 33 of the set of electrical outlets 1 according to the invention.
  • the first track 32A of the plug 3 is disposed against the magnet 33 of the plug 3.
  • the first electrical track 32A is made from a material which conducts the magnetic field, which makes it possible to modify the course of the field lines L102 present at the gap E and balance the L102 field lines in the gap E.
  • the relative magnetic permeability of the first electrical track 32A is greater than or equal to 100.
  • ⁇ 0 is a universal constant, the magnetic constant, which is 4 ⁇ ⁇ 0 -7 H / m.
  • the electrical conductivity of the first electrical track 32A is greater than or equal to 5.10 6 Sm -1 .
  • the first electrical track 32A is made from an iron alloy.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Claims (10)

  1. Elektrische Steckdoseneinheit (1), einen elektrischen Sockel (2) und einen elektrischen Stecker (3) aufweisend, der dazu angepasst ist, auf lösbare Weise mit dem Sockel (2) in elektrischen Kontakt zu kommen, wobei der Sockel (2) mindestens einen ersten und einen zweiten elektrischen Kontakt (22A, 22B) aufweist, die dazu angepasst sind, jeweils mit einer ersten bzw. einer zweiten konzentrischen Strombahn (32A, 32B) des Steckers (3) in elektrischen Kontakt zu kommen, wobei die elektrischen Kontakte (22A, 22B) zwischen einer ersten Position, in der sie in das Innere des Sockels (2) zurückgezogen sind, und einer zweiten Position beweglich sind, in der sie vom Sockel (2) nach außen vorstehen, wobei der Sockel (2) mit einem ersten magnetischen Element (23) versehen ist, das dazu angepasst ist, mit einem zweiten magnetischen Element (33), mit dem der Stecker (3) ausgestattet ist, zusammenzuwirken, um eine magnetische Kraft (M1) zu erzeugen, die in der Lage ist, den Stecker (3) am Sockel (2) anzuordnen und zu halten und die elektrischen Kontakte (22A, 22B) in die zweite Position zu verlagern, um einen elektrischen Kontakt zwischen den Strombahnen (32A, 32B) und den elektrischen Kontakten (22A, 22B) herzustellen,
    wobei die elektrische Steckdoseneinheit (1) dadurch gekennzeichnet ist, dass das erste magnetische Element (23) in Form eines Ringabschnitts vorliegt, und dass die erste Strombahn (32A) aus einem Material hergestellt ist, das in der Lage ist, ein durch die magnetischen Elemente (23, 33) erzeugtes Magnetfeld (L102) beim Anschluss des Steckers (3) am Sockel (2) zu leiten.
  2. Elektrische Steckdoseneinheit (1) nach Anspruch 1, dadurch gekennzeichnet, dass die relative magnetische Permeabilität der ersten Strombahn (32A) höher als oder gleich 100 ist.
  3. Elektrische Steckdoseneinheit (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die elektrische Leitfähigkeit der ersten Strombahn (32A) höher als oder gleich 5.106 S.m-1 ist.
  4. Elektrische Steckdoseneinheit (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die erste Strombahn (32A) aus einer Eisenlegierung hergestellt ist.
  5. Elektrische Steckdoseneinheit (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sich das erste magnetische Element (23) über einen Winkelsektor (α23) erstreckt, der zwischen 180 und 330°, vorzugsweise zwischen 240 und 300°, noch bevorzugter um die 270° beträgt.
  6. Elektrische Steckdoseneinheit (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sich das zweite magnetische Element (33) über einen Winkelsektor (α33) erstreckt, der zwischen 240 und 350°, vorzugsweise zwischen 270 und 330°, noch bevorzugter um die 300° beträgt.
  7. Elektrische Steckdoseneinheit (1) nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass das zweite magnetische Element (33) die Geometrie eines geschlossenen Rings hat, der sich über 360° erstreckt.
  8. Elektrische Steckdoseneinheit (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Stecker (3) eine dritte Strombahn aufweist, die dazu bestimmt ist, an eine Massesteckdose angeschlossen zu werden.
  9. Elektrische Steckdoseneinheit (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sich die elektrischen Kontakte (22A, 22B) des Sockels in Form von Stiften (22A, 22B) darstellen.
  10. Elektrische Steckdoseneinheit (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die magnetischen Elemente (23, 33) Permanentmagnete sind, deren Pole so ausgerichtet sind, dass sich die Magnete (23, 33) anziehen, wenn die Kontaktflächen (A2, A3) des Sockels (2) und des Steckers (3) einander angenähert sind.
EP14786922.6A 2013-10-23 2014-10-22 Steckdoseneinheit Active EP3061159B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1360345A FR3012262B1 (fr) 2013-10-23 2013-10-23 Ensemble de prises electriques
PCT/EP2014/072587 WO2015059163A1 (fr) 2013-10-23 2014-10-22 Ensemble de prises electriques

Publications (2)

Publication Number Publication Date
EP3061159A1 EP3061159A1 (de) 2016-08-31
EP3061159B1 true EP3061159B1 (de) 2017-12-27

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EP14786922.6A Active EP3061159B1 (de) 2013-10-23 2014-10-22 Steckdoseneinheit

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EP (1) EP3061159B1 (de)
CN (1) CN105684229B (de)
ES (1) ES2659777T3 (de)
FR (1) FR3012262B1 (de)
WO (1) WO2015059163A1 (de)

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Publication number Priority date Publication date Assignee Title
CN105281073A (zh) * 2015-05-29 2016-01-27 维沃移动通信有限公司 一种对称吸附式连接器及其连接方法
CN105281116A (zh) * 2015-05-29 2016-01-27 维沃移动通信有限公司 一种吸附式连接器及其连接方法
TWI758468B (zh) * 2017-05-02 2022-03-21 瑞士商菲利浦莫里斯製品股份有限公司 電操作的氣溶膠生成系統、電操作的氣溶膠生成裝置以及充電單元
US10283952B2 (en) 2017-06-22 2019-05-07 Bretford Manufacturing, Inc. Rapidly deployable floor power system
CN110571560A (zh) * 2019-09-25 2019-12-13 广东建筑消防设施检测中心有限公司 一种快速导电连接器

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US6861935B1 (en) * 2004-08-04 2005-03-01 The United States Of America As Represented By The Secretary Of The Army Field tapering in magnetic spheres and cylinders with distortion free access
WO2008059474A1 (en) * 2006-11-15 2008-05-22 Doron Kwiat Magnet assembly being made from a ferromagnetic or rare-earth material
EP2207241A3 (de) * 2008-12-23 2013-04-03 Einam Yizhak Amotz Vorrichtung und Verfahren zum Übertragen von Energie von einer feststehenden Einheit zu einer tragbaren Einheit
CN101640323B (zh) * 2009-09-09 2011-07-27 北京航空航天大学 一种可自动吸合脱离的直流电气对接装置
FR2964501B1 (fr) * 2010-09-07 2013-05-17 Schneider Electric Ind Sas Ensemble de prises electriques
FR2982710A1 (fr) * 2011-11-15 2013-05-17 Schneider Electric Ind Sas Ensemble de prises electriques

Also Published As

Publication number Publication date
FR3012262A1 (fr) 2015-04-24
CN105684229B (zh) 2018-02-02
ES2659777T3 (es) 2018-03-19
CN105684229A (zh) 2016-06-15
EP3061159A1 (de) 2016-08-31
WO2015059163A1 (fr) 2015-04-30
FR3012262B1 (fr) 2016-01-08

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