EP3061159B1 - Power outlet unit - Google Patents
Power outlet unit Download PDFInfo
- 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.)
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- 239000000463 material Substances 0.000 claims description 9
- 230000035699 permeability Effects 0.000 claims description 9
- 229910000640 Fe alloy Inorganic materials 0.000 claims description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 229940082150 encore Drugs 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Images
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
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- 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)
Description
La présente invention concerne un ensemble de prises électriques comportant un socle électrique et une fiche électrique adaptée pour venir en contact électrique de façon amovible avec le socle électrique.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.
De manière classique, le socle électrique est fixé à un mur d'un bâtiment et est raccordé au réseau électrique, et la fiche électrique équipe un appareil électrique fonctionnant grâce au courant électrique du réseau électrique. La fiche électrique comporte deux broches mâles que l'utilisateur insère dans des ouvertures femelles complémentaires ménagées dans le socle électrique. Cette manipulation présente l'inconvénient pour l'utilisateur de devoir positionner les broches correctement dans les ouvertures, ce qui est fastidieux. De plus, l'opérateur doit fournir un effort relativement important pour enfoncer les broches dans les ouvertures.Typically, 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.
Le socle est pourvu d'un premier élément magnétique adapté pour collaborer avec un deuxième élément magnétique équipant la fiche, de manière à générer une force magnétique apte à positionner et maintenir la fiche contre le socle et à déplacer les broches dans la deuxième position afin de permettre l'établissement d'un contact électrique avec les pistes de la fiche.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.
Les pistes électriques étant annulaires, il n'est pas nécessaire pour l'opérateur de se préoccuper de l'orientation angulaire de la fiche par rapport au socle afin de réaliser le branchement. De plus, l'opérateur n'a pas besoin de fournir un effort de connexion pour réaliser le branchement car les éléments magnétiques attirent automatiquement la fiche contre le socle.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.
Cet ensemble de prises électriques est relativement coûteux car le premier élément magnétique équipant le socle a des dimensions relativement importantes afin de permettre la mise en place des broches dans l'espace vide délimité par sa forme annulaire.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.
C'est à ces inconvénients qu'entend plus particulièrement remédier l'invention en proposant un ensemble de prises électriques dont le coût de fabrication est réduit.
A cet effet, l'invention a pour objet un ensemble de prises électriques comprenant un socle électrique et une fiche électrique adaptée pour venir en contact électrique de façon amovible avec le socle. Le socle comporte au moins un premier et un deuxième contacts électriques adaptés pour venir chacun respectivement en contact électrique avec une première et une deuxième piste électrique concentriques de la fiche. Les contacts électriques sont mobiles entre une première position dans laquelle ils sont escamotés à l'intérieur du socle et entre une deuxième position dans laquelle ils dépassent à l'extérieur du socle. Le socle est pourvu d'un premier élément magnétique adapté pour collaborer avec un deuxième élément magnétique équipant la fiche de manière à générer une force magnétique apte à positionner et maintenir la fiche contre le socle et à déplacer les contacts électriques dans la deuxième position afin d'établir un contact électrique entre les pistes électriques et les contacts électriques.It is these drawbacks that the invention intends to remedy more particularly by proposing a set of electrical sockets whose manufacturing cost is reduced.
To this end, 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.
Conformément à l'invention, le premier élément magnétique est en forme de portion d'anneau et la première piste électrique est réalisée à partir d'un matériau apte à guider un champ magnétique généré par les éléments magnétiques lors du branchement de la fiche sur le socle.According to the invention, 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.
Grâce à l'invention, la forme en portion d'anneau du premier élément magnétique permet une économie de matière par rapport à un élément magnétique annulaire. De plus, l'espace libre défini entre les extrémités de cette portion d'anneau permet de loger l'un des contacts électriques du socle, de sorte que l'encombrement de l'ensemble de prises électriques est réduit. En outre, l'utilisation d'un matériau apte à conduire et guider un champ magnétique pour réaliser la première piste électrique annulaire de la fiche permet de guider les lignes de champ magnétique, de sorte que la force magnétique dans l'entrefer défini entre les éléments magnétiques est équilibrée, ce qui permet une connexion satisfaisante.Thanks to the invention, the ring-shaped portion of the first magnetic element allows a saving of material with respect to an annular magnetic element. In addition, 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. In addition, 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.
Selon des aspects avantageux mais non obligatoires de l'invention, un tel ensemble de prises électriques peut incorporer une ou plusieurs des caractéristiques techniques suivantes, prises en toute combinaison techniquement admissible :
- La perméabilité magnétique relative de la première piste électrique est supérieure ou égale à 100.
- La conductivité électrique de la première piste électrique est supérieure ou égale à 5.106 S.m-1.
- La première piste électrique est réalisée à partir d'un alliage de fer
- Le premier élément magnétique s'étend sur un secteur angulaire compris entre 180 et 330°, de préférence compris entre 240 et 300°, de préférence encore de l'ordre de 270 °.
- Le deuxième élément magnétique s'étend sur un secteur angulaire compris entre 240 et 350 °, de préférence compris entre 270 et 330 °, de préférence encore de l'ordre de 300°.
- En variante, le deuxième élément magnétique a la géométrie d'un anneau fermé qui s'étend sur 360°.
- La fiche comporte une troisième piste électrique destinée à être connectée à une prise de terre.
- Les contacts électriques du socle se présentent sous la forme de broches.
- Les éléments magnétiques sont des aimants permanents dont les pôles sont orientés de sorte que les aimants s'attirent lorsque les faces de contact du socle et de la fiche sont rapprochées l'une de l'autre.
- The relative magnetic permeability of the first electrical track is greater than or equal to 100.
- The electrical conductivity of the first electrical track is greater than or equal to 5.10 6 Sm -1 .
- The first electrical track is made from an iron alloy
- The first magnetic element extends over an angular sector between 180 and 330 °, preferably between 240 and 300 °, more preferably of the order of 270 °.
- The second magnetic element extends over an angular sector between 240 and 350 °, preferably between 270 and 330 °, more preferably of the order of 300 °.
- In a variant, the second magnetic element has the geometry of a closed ring that extends over 360 °.
- The plug has a third electrical track for connection to a ground.
- The electrical contacts of the base are in the form of pins.
- The magnetic elements are permanent magnets whose poles are oriented so that the magnets attract when the contact faces of the base and the plug are close to each other.
L'invention sera mieux comprise et d'autres avantages de celle-ci apparaîtront plus clairement à la lumière de la description qui va suivre d'un ensemble de prises électriques conforme à l'invention, donnée uniquement à titre d'exemple et faite en référence aux dessins annexés dans lesquels :
- la
figure 1 est une vue en perspective d'un ensemble de prises électriques conforme à l'invention, l'ensemble comprenant un socle électrique et une fiche électrique ; - la
figure 2 est une vue analogue à lafigure 1 , des capots du socle et de la fiche n'étant pas représentés pour laisser apparaitre l'intérieur de ces éléments ; - la
figure 3 est une vue du socle selon la flèche F3 à lafigure 2 ; - la
figure 4 est une coupe du socle selon la ligne IV-IV à lafigure 3 ; - la
figure 5 est une vue de la fiche selon la flèche F5 à lafigure 2 ; - la
figure 6 est une coupe de la fiche selon la ligne VI-VI à lafigure 5 ; - la
figure 7 est une vue de la fiche selon la flèche F7 à lafigure 2 ; - la
figure 8 est une coupe selon la ligne VIII-VIII à lafigure 7 ; - la
figure 9 est une vue schématique de lignes de champ magnétique créées par un couple d'aimants annulaires ; - la
figure 10 est une vue schématique de lignes de champ magnétique créées par un premier aimant annulaire et un deuxième aimant en forme de portion d'anneau, une couronne étant rapportée sur l'aimant en forme de portion d'anneau, cette couronne conduisant le courant électrique et présentant une perméabilité magnétique ne perturbant pas le champ magnétique créé par les aimants ; et - la
figure 11 est une vue schématique de lignes de champ magnétique créées par un premier aimant annulaire et un deuxième aimant en forme de portion d'anneau, une couronne étant rapportée sur l'aimant en forme de portion d'anneau, cette couronne conduisant le courant électrique et présentant une perméabilité magnétique apte à modifier le champ magnétique créé par les aimants.
- the
figure 1 is a perspective view of a set of electrical outlets according to the invention, the assembly comprising an electrical base and an electrical plug; - the
figure 2 is a view similar to thefigure 1 , hoods of the base and the plug are not shown to reveal the interior of these elements; - the
figure 3 is a view of the base according to the arrow F3 at thefigure 2 ; - the
figure 4 is a section of the base along line IV-IV atfigure 3 ; - the
figure 5 is a view of the sheet according to the arrow F5 at thefigure 2 ; - the
figure 6 is a section of the form along the line VI-VI to thefigure 5 ; - the
figure 7 is a view of the sheet according to the arrow F7 at thefigure 2 ; - the
figure 8 is a section along the line VIII-VIII to thefigure 7 ; - the
figure 9 is a schematic view of magnetic field lines created by a pair of annular magnets; - the
figure 10 is a schematic view of magnetic field lines created by a first annular magnet and a second magnet in the form of a ring portion, a ring being attached to the magnet in the form of a ring portion, this ring conducting the electric current and having a magnetic permeability not disturbing the magnetic field created by the magnets; and - the
figure 11 is a schematic view of magnetic field lines created by a first annular magnet and a second magnet in the form of a ring portion, a ring being attached to the magnet in the form of a ring portion, this ring conducting the electric current and having a magnetic permeability capable of modifying the magnetic field created by the magnets.
Les
Dans un exemple d'utilisation, le socle 2 est relié au réseau électrique et la fiche 3 équipe un appareil électrique à usage domestique, par exemple une lampe ou un appareil électroménager. Ainsi, le socle 2 est généralement fixe et la fiche 3 est mobile.In one example of use, the
Le socle 2 et la fiche 3 comprennent chacun un corps 21 ou 31 qui est logé à l'intérieur du capot 20 ou 30, ainsi qu'une face de contact A2 ou A3 sensiblement plane. Les faces de contact A2 et A3 sont prévues pour être placées en contact l'une avec l'autre lorsque la fiche 3 est connectée au socle 2.The
Le socle 2 et la fiche 3 s'étendent chacun le long d'un axe longitudinal central X2 ou X3. Pour raccorder électriquement le socle 2 et la fiche 3, un opérateur approche la fiche 3 du socle 2 en alignant les axes longitudinaux X2 et X3, de manière à mettre en contact les faces de contact A2 et A3.The
Dans la suite, on qualifie de « proximaux » les éléments du socle 2 ou de la fiche 3 qui sont proches de la face de contact A2 ou A3 du socle 2 ou de la fiche 3, contrairement aux éléments qualifié de « distaux » qui en sont plus éloignés.In the following, the elements of the
La fiche 3 comprend au moins deux pistes électriques 32A et 32B concentriques centrées sur l'axe longitudinal A3, visibles aux
La première piste 32A est de forme annulaire. Elle forme un anneau fermé qui s'étend sur 360° autour de l'axe longitudinal X3. La deuxième piste 32B est cylindrique et s'étend le long de l'axe longitudinal X3, dans le volume vide délimité à l'intérieur de la forme annulaire de la première piste 32A. Les pistes 32A et 32B sont isolées électriquement l'une de l'autre et elles sont reliées chacune à un fil électrique non représenté, prévu pour être raccordé à un appareil électrique relié à la fiche 3.The
Les pistes électriques 32A et 32B sont prévues pour venir chacune en contact électrique et mécanique avec un contact électrique du socle 2 qui se présente sous la forme d'une broche 22A et 22B, c'est-à-dire une tige métallique conductrice. Le socle 2 comporte ainsi deux broches 22A et 22B.The
Dans une variante de l'invention non représentée, la fiche électrique 3 comporte optionnellement une troisième piste électrique destinée à être connectée à une prise de terre. Le cas échéant, la deuxième piste 32B est de forme annulaire et la troisième piste électrique est disposée dans le volume vide délimité par la deuxième piste 32B.In a variant of the invention not shown, the
En référence à la
Une chandelle 24 est montée coulissante à l'intérieur de chaque trou 212. Les chandelles 24 comprennent une partie tubulaire dont le diamètre est sensiblement égal, aux jeux fonctionnels près, au plus petit diamètre des trous 212, de manière à autoriser un mouvement de translation et de rotation, selon l'axe longitudinal X2, de la chandelle 24 par rapport au corps 21.A
Un premier ressort de compression 25 est monté dans chaque trou 212, autour de la partie tubulaire de la chandelle 24. Le ressort 25 prend appui contre l'épaulement 214 du trou 212 et contre une partie annulaire 242 distale de la chandelle 24 dont le diamètre est supérieur à celui de la partie tubulaire. Le ressort 25 génère un effort R25 tendant à faire reculer la chandelle 24 en direction de l'extrémité distale E2 du socle 2.A
Une vis 286 est montée coulissante à l'intérieur de chaque chandelle 24. Chaque vis 286 comporte une tête apte à venir buter contre la partie annulaire 242 de la chandelle 24, de manière à bloquer le mouvement de translation de la vis 286 par rapport à la chandelle 24 le long de l'axe longitudinal X2 et dans un sens allant de l'extrémité distale E2 du socle 2 vers la face de contact A2.A
Le socle 2 comprend un poussoir 27 comportant des trous de passage pour les vis 286. Le poussoir 27 est libre de se translater, le long de l'axe X2, par rapport au corps 21. Le poussoir 27 est intercalé entre le corps 21 et un support 28 comportant des trous filetés dans lesquels sont vissées les vis 286. Ainsi, le support 28 et les vis 286 sont solidaires.The
Deux trous débouchants 282 sont ménagés au travers du support 28. Chaque trou 282 comporte une partie de grand diamètre, du côté de l'extrémité distale E2, et une partie de diamètre réduit du côté de la face de contact A2, de manière à former un épaulement 284 à l'intérieur du support 28.Two through
Les broches 22A et 22B sont logées chacune à l'intérieur de l'un des trous 282 et dépassent à l'extérieur du support 28 du côté de la face de contact A2. Chaque broche 22A et 22B comporte une collerette 222 apte à venir en butée contre l'épaulement 284 du trou 282.The
Un deuxième ressort de compression 29 est monté autour de chaque broche 22A et 22B, dans le trou 282 recevant la broche 22A ou 22B. Les ressorts 29 prennent appui chacun contre l'épaulement 284 du trou 282 et contre la collerette 222 de la broche 22A ou 22B. Les ressorts 29 génèrent un effort R29 tendant à faire sortir les broches hors du capot 20, c'est-à-dire les faire avancer le long de l'axe longitudinal X2 dans un sens allant de l'extrémité distale E2 du socle 2 vers la face de contact A2.A
Pour assurer un contact mécanique et électrique franc entre le socle 2 et la fiche 3 lors du branchement, l'ensemble de prises électriques 1 comprend un premier et un deuxième éléments magnétiques 23 et 33 générant, lorsque la fiche 3 est rapprochée du socle 2, une force magnétique M1 permettant de positionner et de maintenir la fiche 3 sur le socle 2 de manière à ce que les pistes électriques 32A et 32B viennent respectivement en contact électrique et mécanique avec les contacts 22A et 22B du socle 2.To ensure a mechanical and electrical contact frankly between the
Le premier élément magnétique 23 est un aimant permanent qui équipe la face de contact A2 du socle 2 et qui a la forme d'une portion d'anneau, autrement dit un anneau ouvert, s'étendant sur un secteur angulaire α23 compris entre 180 et 330°, de préférence compris entre 240 et 300°. Dans l'exemple représenté sur la
Une couronne 26 est intercalée entre le support 28 et le premier élément magnétique 23. Le support 28, la couronne 26 et le premier aimant 23 sont solidaires. La couronne 26 a la forme d'une portion d'anneau qui s'étend sur un secteur angulaire égal au secteur angulaire α23 du premier aimant 23.A
On note D23 un diamètre intérieur D23 du premier aimant 23 et de la couronne 26. Un diamètre extérieur D'23 du premier aimant 23 et de la couronne 26 est strictement supérieur au diamètre intérieur D23.D23 denotes an internal diameter D23 of the
La première broche 22A traverse l'espace libre délimité entre les extrémités E23 et E'23 du premier élément magnétique 23 et, de manière similaire, entre les extrémités de la couronne 26. Une distance D22 entre l'axe longitudinal X2 et la première broche 22A est comprise entre le diamètre intérieur D23 et le diamètre extérieur D'23 du premier élément magnétique 23.The
Le capot 20 du socle 2 est équipé de deux paires de volets 202A et 202B escamotables et de moyens élastiques de rappel des volets 202A et 202B en position fermée tels que des ressorts de torsion, non visibles sur les figures. Les volets 202A et 202B obstruent des ouvertures 203 aménagées dans le capot 20, sur la face de contact A2, de manière à autoriser la sortie des broches 22A et 22B hors du capot 20.The
Comme visible aux
Les pôles nord et sud des premier et deuxième aimants 23 et 33 sont orientés de sorte que les aimants 23 et 33 s'attirent lorsque les faces de contact A2 et A3 du socle 2 et de la fiche 3 sont rapprochées l'une de l'autre.The north and south poles of the first and
Le fonctionnement est le suivant. Lorsque la fiche 3 se situe à une distance suffisamment éloignée du socle 2, la force magnétique M1 est absente ou trop faible pour agir sur l'ensemble de prises électriques 1. Le premier ressort 25 du socle 2 repousse la chandelle 24 vers l'extrémité distale E2 du socle 2, ce qui a pour effet de déplacer le support 28, la couronne 26 et le premier élément magnétique 23 contre le poussoir 27 qui se retrouve comprimé entre le corps 21 et le support 28. Dans cette première configuration visible sur les figures, les broches 22A et 22B sont rentrées à l'intérieur du capot 20 et les volets 202A et 202B sont fermés.The operation is as follows. When the
Lorsqu'un opérateur rapproche la fiche 3 du socle 2, la force magnétique M1 attire le premier aimant 23 vers la fiche 3, de sorte que le premier aimant 23, la couronne 26 et le support 28 se déplacent en translation, le long de l'axe X et dans une direction allant de l'extrémité distale E2 du socle 2 vers la face de contact A2. Les vis 286 étant solidaires du support 28, elles entrainent les chandelles 24 en direction de la face de contact A2, à l'encontre de la force de rappel R25 exercée par le premier ressort 25. Le premier ressort 25 se comprime et les chandelles 24 repoussent le poussoir 27 vers la face de contact A2. Le poussoir 27 s'éloigne ainsi du corps 21 et suit le mouvement du support 28.When an operator brings the
Les broches 22A et 22B sortent alors du capot 20 en entrainant les volets 202A et 202B en position ouverte, jusqu'à ce qu'elles atteignent une position dans laquelle elles font saillie à l'extérieur de la face de contact A2, de manière à être apte à venir en contact avec la fiche 3.The
Lorsque la face de contact A3 de la fiche 3 entre en contact avec la face de contact A2 du socle 2, la première piste 32A de la fiche 3 appuie sur la première broche 22A et la deuxième piste 32B appuie sur la deuxième broche 22B, de manière à établir un contact électrique et mécanique. La fiche 3 repousse ainsi les broches 22A et 22B à l'encontre des forces de rappel R29 exercées par les deuxièmes ressorts 29. Les deuxièmes ressorts 29 assurent ainsi un contact mécanique et électrique franc entre les broches 22A et 22B et les pistes 32A et 32B.When the contact face A3 of the
La force magnétique M1 attire automatiquement la face de contact A3 de la fiche 3 contre la face de contact A2 du socle 2, dans une position où les axes A2 et A3 sont alignés. Ainsi, l'opérateur n'a pas à fournir un effort pour réaliser la connexion mécanique entre la fiche 3 et le socle 2, ni à aligner précisément les axes A2 et A3. De plus, l'orientation angulaire de la fiche 3 par rapport au socle 2, autour des axes A2 et A3, n'est pas déterminante pour réaliser le raccordement électrique. L'utilisateur n'a pas besoin de se préoccuper de l'orientation angulaire de la fiche 3 par rapport au socle 2 car les pistes 32A et 32B de la fiche 3 s'étendent sur 360°, ce qui facilite l'opération de connexion.The magnetic force M1 automatically attracts the contact face A3 of the
La
Un ensemble de prises électriques de l'art antérieur équipé avec les aimants 100 et 200 de la
La
Une couronne 301 est disposée contre l'aimant 101, du côté de l'aimant 201. La couronne 301 est réalisée à partir d'un matériau tel que le cuivre, qui conduit l'électricité mais qui n'est pas un conducteur magnétique. La couronne 301 ne modifie pas le champ magnétique créé par les aimants 101 et 201.A
L'aimant 201 ne présentant pas une symétrie de révolution autour de l'axe X, les lignes de champ magnétique L101 générées par les aimants 101 et 201 ne présentent pas non plus une symétrie de révolution, on observe un déséquilibre des lignes de champ. Par conséquent, la force magnétique générée par les aimants 101 et 201 n'est pas répartie de manière homogène autour de l'axe X.As the
En équipant un ensemble de prises électriques non conforme à l'invention avec les aimants 101 et 201 de la
La
Pour assurer le guidage des lignes de champ L102, la perméabilité magnétique relative de la première piste électrique 32A est supérieure ou égale à 100.To guide the L102 field lines, the relative magnetic permeability of the first
Pour un matériau donné de perméabilité magnétique µ, la perméabilité magnétique µ est le produit de la perméabilité magnétique du vide µ0 par la perméabilité magnétique relative µR de ce matériau : µ = µ0.µR.For a given material of magnetic permeability μ, the magnetic permeability μ is the product of the magnetic permeability of the vacuum μ0 by the relative magnetic permeability μR of this material: μ = μ0.μR.
µ0 est une constante universelle, la constante magnétique, qui vaut 4π×0-7 H/m.μ0 is a universal constant, the magnetic constant, which is 4π × 0 -7 H / m.
La conductivité électrique de la première piste électrique 32A est supérieure ou égale à 5.106 S.m-1.The electrical conductivity of the first
Par exemple, la première piste électrique 32A est réalisée à partir d'un alliage de fer.For example, the first
Claims (10)
- Electrical outlet assembly (1) comprising an electrical socket (2) and an electrical plug (3) which is adapted to come into electrical contact in a removable manner with the socket (2), the socket (2) comprising at least one first and one second electrical contact (22A, 22B) which are each adapted respectively to come into electrical contact with a first and a second electrical track (32A, 32B) concentric with the plug (3), the electrical contacts (22A, 22B) being mobile between a first position in which they are retracted inside the socket (2) and between a second position in which they protrude outside the socket (2), the socket (2) being provided with a first magnetic element (23) which is adapted to cooperate with a second magnetic element (33) equipping the plug (3) so as to generate a magnetic force (M1) which is able to position and retain the plug (3) against the socket (2) and to displace the electrical contacts (22A, 22B) into the second position in order to establish an electrical contact between the electrical tracks (32A, 32B) and the electrical contacts (22A, 22B),
the electrical outlet assembly (1) being characterised in that the first magnetic element (23) is in the form of a ring portion and in that the first electrical track (32A) is produced from a material which is able to guide a magnetic field (L102) generated by the magnetic elements (23, 33) during connection of the plug (3) on the socket (2). - Electrical outlet assembly (1) according to claim 1, characterised in that the relative magnetic permeability of the first electrical track (32A) is greater than or equal to 100.
- Electrical outlet assembly (1) according to one of the preceding claims, characterised in that the electrical conductivity of the first electrical track (32A) is greater than or equal to 5.106 S.m-1.
- Electrical outlet assembly (1), according to one of the preceding claims, characterised in that the first electrical track (32A) is produced from an iron alloy.
- Electrical outlet assembly (1) according to one of the preceding claims, characterised in that the first magnetic element (23) extends over an angular sector (α23) of between 180 and 330°, preferably of between 240 and 300°, more preferably of the order of 270°.
- Electrical outlet assembly (1) according to one of the preceding claims, characterised in that the second magnetic element (33) extends over an angular sector (α33) of between 240 and 350°, preferably of between 270 and 330°, more preferably of the order of 300°.
- Electrical outlet assembly (1) according to one of the claims 1 to 5, characterised in that the second magnetic element (33) has the geometry of a closed ring which extends over 360°.
- Electrical outlet assembly (1) according to one of the preceding claims, characterised in that the plug (3) comprises a third electrical track which is intended to be connected to an earth connection.
- Electrical outlet assembly (1) according to one of the preceding claims, characterised in that the electrical contacts (22A, 22B) of the socket have the shape of pins (22A, 22B).
- Electrical outlet assembly (1) according to one of the preceding claims, characterised in that the magnetic elements (23, 33) are permanent magnets, the poles of which are orientated such that the magnets (23, 33) are attracted when the contact faces (A2, A3) of the socket (2) and of the plug (3) are brought together.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1360345A FR3012262B1 (en) | 2013-10-23 | 2013-10-23 | ASSEMBLY OF ELECTRICAL OUTLET |
PCT/EP2014/072587 WO2015059163A1 (en) | 2013-10-23 | 2014-10-22 | Power outlet unit |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3061159A1 EP3061159A1 (en) | 2016-08-31 |
EP3061159B1 true EP3061159B1 (en) | 2017-12-27 |
Family
ID=50179671
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14786922.6A Active EP3061159B1 (en) | 2013-10-23 | 2014-10-22 | Power outlet unit |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3061159B1 (en) |
CN (1) | CN105684229B (en) |
ES (1) | ES2659777T3 (en) |
FR (1) | FR3012262B1 (en) |
WO (1) | WO2015059163A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105281116A (en) * | 2015-05-29 | 2016-01-27 | 维沃移动通信有限公司 | Adsorption-type connector and connection method thereof |
CN105281073A (en) * | 2015-05-29 | 2016-01-27 | 维沃移动通信有限公司 | Symmetric adsorption-type connector and connecting method thereof |
TWI758468B (en) * | 2017-05-02 | 2022-03-21 | 瑞士商菲利浦莫里斯製品股份有限公司 | Electrically operated aerosol-generating system, electrically operated aerosol-generating device and charging unit |
US10283952B2 (en) | 2017-06-22 | 2019-05-07 | Bretford Manufacturing, Inc. | Rapidly deployable floor power system |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 (en) * | 2008-12-23 | 2013-04-03 | Einam Yizhak Amotz | Apparatus and method for transferring power from a stationary unit to a mobile unit |
CN101640323B (en) * | 2009-09-09 | 2011-07-27 | 北京航空航天大学 | DC electrical docking device capable of automatically actuating and disconnecting |
FR2964501B1 (en) * | 2010-09-07 | 2013-05-17 | Schneider Electric Ind Sas | ASSEMBLY OF ELECTRICAL OUTLET |
FR2982710A1 (en) * | 2011-11-15 | 2013-05-17 | Schneider Electric Ind Sas | ASSEMBLY OF ELECTRICAL OUTLET |
-
2013
- 2013-10-23 FR FR1360345A patent/FR3012262B1/en not_active Expired - Fee Related
-
2014
- 2014-10-22 CN CN201480058723.5A patent/CN105684229B/en active Active
- 2014-10-22 EP EP14786922.6A patent/EP3061159B1/en active Active
- 2014-10-22 ES ES14786922.6T patent/ES2659777T3/en active Active
- 2014-10-22 WO PCT/EP2014/072587 patent/WO2015059163A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
ES2659777T3 (en) | 2018-03-19 |
EP3061159A1 (en) | 2016-08-31 |
FR3012262B1 (en) | 2016-01-08 |
FR3012262A1 (en) | 2015-04-24 |
CN105684229B (en) | 2018-02-02 |
WO2015059163A1 (en) | 2015-04-30 |
CN105684229A (en) | 2016-06-15 |
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