FR2964805A1 - Retractable winding device for winding electric cable supplying power to electric vehicle, has supports with part that is movable in translation to vary distance between supports to join supports together to unfold cable - Google Patents

Retractable winding device for winding electric cable supplying power to electric vehicle, has supports with part that is movable in translation to vary distance between supports to join supports together to unfold cable Download PDF

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Publication number
FR2964805A1
FR2964805A1 FR1057239A FR1057239A FR2964805A1 FR 2964805 A1 FR2964805 A1 FR 2964805A1 FR 1057239 A FR1057239 A FR 1057239A FR 1057239 A FR1057239 A FR 1057239A FR 2964805 A1 FR2964805 A1 FR 2964805A1
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France
Prior art keywords
cable
supports
housing
winding device
movable
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Granted
Application number
FR1057239A
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French (fr)
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FR2964805B1 (en
Inventor
Aurelien Maudemain
Cruz Pereira Serge Da
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PSA Automobiles SA
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Peugeot Citroen Automobiles SA
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Priority to FR1057239A priority Critical patent/FR2964805B1/en
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Application granted granted Critical
Publication of FR2964805B1 publication Critical patent/FR2964805B1/en
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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G11/00Arrangements of electric cables or lines between relatively-movable parts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/14Conductive energy transfer
    • B60L53/16Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/14Conductive energy transfer
    • B60L53/18Cables specially adapted for charging electric vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/0207Wire harnesses
    • B60R16/0215Protecting, fastening and routing means therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/36Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables without essentially involving the use of a core or former internal to a stored package of material, e.g. with stored material housed within casing or container, or intermittently engaging a plurality of supports as in sinuous or serpentine fashion
    • B65H75/368Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables without essentially involving the use of a core or former internal to a stored package of material, e.g. with stored material housed within casing or container, or intermittently engaging a plurality of supports as in sinuous or serpentine fashion with pulleys
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/38Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
    • B65H75/40Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material mobile or transportable
    • B65H75/42Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material mobile or transportable attached to, or forming part of, mobile tools, machines or vehicles
    • B65H75/425Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material mobile or transportable attached to, or forming part of, mobile tools, machines or vehicles attached to, or forming part of a vehicle, e.g. truck, trailer, vessel
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G11/00Arrangements of electric cables or lines between relatively-movable parts
    • H02G11/003Arrangements of electric cables or lines between relatively-movable parts using gravity-loaded or spring-loaded loop
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00Handled material; Storage means
    • B65H2701/30Handled filamentary material
    • B65H2701/34Handled filamentary material electric cords or electric power cables
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/14Plug-in electric vehicles

Abstract

The device has an electric cable (2) that is foldable in a box (17) and fixed to the box from a side of one of ends of the box. The cable is guided in the box in a folded position along a zigzag path defined by supports e.g. pulleys (28), and in an opening of the box from a side of another end of the box. A part of the supports is movable in translation to vary the distance between the supports to join the supports together to unfold the cable, and to move away the supports one from another to fold the cable in the box. An independent claim is also included for an electric vehicle comprising a housing to receive a winding device.

Description

i DISPOSITIF D'ENROULEMENT D'UN CABLE ELECTRIQUE DESTINE A ALIMENTER UN VEHICULE ELECTRIQUE i DEVICE FOR WINDING AN ELECTRICAL CABLE FOR POWERING AN ELECTRIC VEHICLE

[1] L'invention concerne un dispositif d'enroulement d'un câble électrique destiné à alimenter un véhicule électrique. Ce dispositif d'enroulement peut s'appliquer également à un véhicule hybride (c'est-à-dire un véhicule qui associe deux modes de génération de l'énergie comme par exemple l'énergie thermique et l'énergie électrique) connectable à une prise de courant (ou « plug in »). io [2] L'invention concerne également un véhicule muni d'un tel dispositif d'enroulement. [3] Les solutions mises en place pour recharger les véhicules électriques directement raccordables à une borne extérieure au véhicule sont équipées de câbles électriques. Ces câbles is électriques permettent de raccorder le véhicule à une borne de charge située sur la voie publique ou dans une installation privée. Après la recharge, l'utilisateur doit débrancher le câble du côté du véhicule et du côté de la borne de charge, l'enrouler puis le ranger dans le coffre de son véhicule ou dans 20 le lieu dans lequel la recharge a été faite. [4] Ces solutions présentent un certain nombre d'inconvénients. En effet, d'abord le nombre de manipulations est très important durant la vie du véhicule. Ensuite, la manipulation d'un câble peut potentiellement être salissante 25 pour l'utilisateur. En outre, le rangement d'un câble nécessite de prévoir un emplacement dans le coffre, ce qui diminue d'autant le volume disponible dans le coffre. Dans ce cas, le coffre doit être ouvert systématiquement pour récupérer le câble qui, si le coffre a été rempli d'objets, n'est pas forcément 30 facilement accessible. Par ailleurs, le branchement d'une prise côté véhicule peut s'avérer proéminent, car il faut une embase quasiment affleurant à la carrosserie. La longueur du câble est importante donc si la borne est proche l'encombrement du reste du câble est également important. En conclusion, la manipulation du câble est très contraignante. [5] Pour éviter d'avoir à manipuler constamment le câble, des dispositifs d'enroulement existent. [6] Le document US 5 855 262 décrit un dispositif d'enroulement pour un câble électrique destiné à alimenter un véhicule électrique. Ce dispositif comprend un boîtier situé dans le compartiment moteur du véhicule et dans lequel se trouve un câble électrique enroulé autour d'une bobine. io Chaque extrémité du câble ressort du boîtier. Une première extrémité est destinée à se connecter à une borne de fourniture d'énergie extérieure au véhicule. Une deuxième extrémité comprend des moyens permettant de se connecter au véhicule pour permettre le transfert de l'énergie électrique is vers le véhicule. Le câble peut être enroulé autour de la bobine lorsqu'il est en position de stockage. Le câble peut être déroulé de telle sorte que sa longueur du côté de la première extrémité peut varier à l'extérieur du véhicule. Le dispositif comprend également un ressort sur l'axe de la bobine, ce qui 20 permet au câble de se rétracter automatiquement dans le boîtier. [7] Le document US 5 445 252 décrit un dispositif d'enroulement pour un câble électrique destiné à alimenter un véhicule électrique. Ce dispositif est situé dans le 25 compartiment moteur du véhicule. Il comprend un boîtier dans lequel se trouvent une bobine et des poulies. Une partie du câble peut être enroulé autour de cette bobine et une autre partie du câble est guidée le long des poulies. Le dispositif est également équipé d'un système permettant au câble de se 30 rétracter automatiquement sur la bobine. Par ailleurs, la partie du câble qui se trouve autour des poulies est entourée d'une gaine qui comporte des sections rigides mobiles entre elles. Cette partie peut difficilement être enroulée autour de la bobine, c'est pourquoi, elle reste au niveau des poulies. [8] Ce dispositif d'enroulement présente néanmoins l'inconvénient d'être relativement volumineux. En effet, le boîtier doit être suffisamment profond pour loger la bobine sur laquelle le câble s'enroule et grâce à laquelle le câble peut être rétracté. Le boîtier doit en outre avoir des dimensions en longueur et en largeur suffisantes pour disposer les poulies autour desquelles le câble est guidé. [9] Le but de la présente invention est de proposer un dispositif d'enroulement rétractable pour un câble électrique io qui présente un encombrement réduit. [10] A cet effet, l'invention concerne un dispositif d'enroulement d'un câble électrique destiné à alimenter un véhicule électrique comprenant un boîtier, un câble électrique repliable dans le boîtier et fixé au boîtier du côté d'une de ses is extrémités, le câble étant, en position repliée, guidé dans le boîtier le long d'un chemin en zigzag défini par des supports et dans une ouverture du boîtier du côté de son autre extrémité, caractérisé en ce qu'au moins une partie des supports est mobile en translation de façon à faire varier la distance entre 20 les supports qui peuvent, d'une part, se rapprocher l'un de l'autre pour déployer le câble et, d'autre part, s'éloigner l'un de l'autre pour replier le câble dans le boîtier. [1 1 ] Cela permet de pouvoir replier le câble dans une position rangée dans un volume relativement plan, contrairement au 25 rangement sur une bobine, permettant d'occuper moins de place. De ce fait, le boîtier présentera un encombrement réduit. [12] Une partie des supports est avantageusement fixe dans le boîtier. 30 [13] Ce mode de réalisation est plus simple à réaliser car seule une partie des supports est monté mobile. [14] Les supports mobiles sont de préférence dotés d'un moyen de rappel. [15] De cette manière, le câble peut se replier automatiquement dans le boîtier sous l'effet du moyen de rappel. [16] Les supports sont, de façon avantageuse, situés sur un 5 même plan. [17] Cette disposition des supports améliore la planéité du boîtier et permet au dispositif de minimiser encore son encombrement. [18] Quand le câble est en position déployée, les supports sont io de préférence disposés de telle sorte que le câble forme un chemin rectiligne. [19] Cela permet de disposer de la longueur maximum de câble à l'extérieur du dispositif. [20] Les supports sont préférentiellement disposés selon deux is rangées parallèles l'une par rapport à l'autre. [21] Les deux rangées sont avantageusement décalées. [22] Cela signifie que les supports ne sont pas en regard de manière à ce que le câble s'enroule alternativement autour d'un support d'une première rangée puis autour d'un support 20 d'une deuxième rangée et ainsi de suite. [23] Les supports sont de préférence mobiles en translation le long d'un rail de guidage. [24] Le dispositif d'enroulement comprend avantageusement un système de blocage du câble. 25 [25] Cela permet de stopper de déploiement du câble quand la longueur nécessaire est suffisante pour le branchement et d'éviter ainsi qu'en traînant au sol, le câble ne se dégrade ou ne se salisse. Ce système de blocage permet également, quand ile st activé, de débloquer le câble et de lui permettre 30 ainsi de se replier automatiquement s'il est associé au moyen de rappel. 20 25 2964805 s [26] Les supports sont des poulies. [27] Le mouvement du câble est facilité autour des poulies. [28] L'invention concerne également un véhicule électrique comprenant un dispositif d'enroulement comprenant un s logement situé sous le plancher de coffre ou dans la doublure d'aile du véhicule, le logement étant conformé de façon à recevoir le dispositif d'enroulement. [29] D'autres particularités et avantages ressortiront clairement de la description qui en est faite ci-après, à titre indicatif et io nullement limitatif, en référence aux dessins annexés, dans lesquels : - la figure 1 représente une vue en perspective de l'arrière d'un véhicule électrique ; - la figure 2 représente une vue en perspective du 15 boîtier du dispositif d'enroulement selon l'invention ; - la figure 3 représente une vue de dessus en coupe du dispositif d'enroulement dans lequel le câble est complètement replié à l'intérieur du boîtier ; - les figures 4 et 5 représentent une vue de dessus en coupe du dispositif d'enroulement dans lequel le câble est partiellement déployé à l'extérieur du boîtier ; - la figure 6 représente une vue de dessus en coupe du dispositif d'enroulement dans lequel le câble est complètement déployé à l'extérieur du boîtier. [30] La figure 1 montre l'arrière d'un véhicule électrique comprenant un dispositif d'enroulement 1 d'un câble électrique 2. Le véhicule comprend une aile arrière gauche 3 sur laquelle 30 se trouve une trappe 5 située au-dessus d'une roue arrière gauche 7 et un volet arrière 9 permettant d'accéder au coffre 11. [31 ] Comme cela est illustré en pointillés sur la figure 1, le dispositif d'enroulement 1 peut être placé soit sous le plancher de coffre 11 soit dans la doublure d'aile 3 du véhicule. Le câble 2 comprend, à l'une de ses extrémités 13, un moyen de connexion 14 destiné à pouvoir se connecter à une borne de recharge extérieure 15 au véhicule par l'intermédiaire d'une prise 230 Volts. Ce moyen de connexion est visible dans l'ouverture de la trappe 5. [32] La figure 2 montre le dispositif d'enroulement 1 io comprenant un boîtier 17 et un câble électrique 2. [33] Le boîtier 17 comporte un premier corps creux 19 de forme sensiblement parallélépipédique et un deuxième corps creux 21 de forme allongée et s'évasant à son extrémité libre. Le deuxième corps creux 21 est une goulotte dans laquelle is passe le câble électrique 2. [34] Le boîtier 17 comprend deux ouvertures au travers desquelles le câble peut transiter. Le câble 2 est disposé dans le boîtier entre ces deux ouvertures. [35] Une première ouverture 23 se trouve sur le premier corps 20 19. C'est du côté de cette première ouverture 23 que le câble 2 est connecté au véhicule. [36] Une deuxième ouverture 25 se trouve sur la partie évasée 27 de la goulotte 21. C'est du côté de cette deuxième ouverture 25 que le câble 2 est connectable à l'extérieur du 25 véhicule. La forme évasée permet de retenir le câble électrique 2 par sa prise 14 lorsqu'on rétracte le câble dans le boîtier car seul le câble peut glisser dans la partie allongée, pas la prise 14 qui est plus large que le câble 2. La goulotte 21 est particulièrement intéressante lorsqu'on souhaite déporter la 30 deuxième ouverture. Par exemple, si le premier corps 19 est rangé sous le plancher de coffre 11, la goulotte permet de déporter la prise du câble vers une trappe qui est située sur l'aile arrière du véhicule. [37] Le premier corps 19 du boîtier est visible sur les figures 3 à 6. La première ouverture 23 est située à gauche du boîtier. Le premier corps 19 montre également une troisième ouverture 27 située sur le bord inférieur droit du boîtier. Cette troisième ouverture 27 peut communiquer avec la goulotte 21 (non représenté). [38] L'intérieur du premier corps 19 du boîtier, visible sur la figure 3, comporte deux rangées de cinq poulies 28 chacune autour desquelles le câble électrique 2 est replié. io [39] Les poulies 28 sont disposées dans le boîtier de la façon suivante : une rangée 29 en haut et une rangée 31 en bas. Les deux rangées sont placées parallèlement l'une de l'autre le long de parois opposées du boîtier. Au moins une partie des poulies est mobile. is [40] Selon le mode de réalisation illustré sur les figures 3 à 6, chaque rangée 29 et 31 comprend cinq poulies 28, la rangée 31 de poulies du bas étant fixe, c'est-à-dire qu'elle ne se déplace pas dans le boîtier. En revanche, cette rangée de poulies est montée mobile en rotation dans le boîtier. 20 [41] Les poulies 28 de la rangée 29 du haut sont, d'une part, montées mobiles en rotation sur le boîtier et, d'autre part, montées mobiles en translation sur le boîtier. [42] Les poulies 28 mobiles comprennent par exemple une tige en saillie (non représentée) qui peut coulisser dans un rail 33 25 de guidage. Le boîtier comprend cinq rails 33 de guidage le long desquels les poulies 28 mobiles peuvent glisser. [43] Les rails 33 sont verticaux et sont disposés entre chaque poulie 28 de la rangée fixe 31. Leur longueur est supérieure à la distance séparant les poulies mobiles et les poulies fixes. 30 [44] Les poulies 28 de la rangée fixe 31 du bas sont montées mobiles en rotation sur le boîtier. [45] Le boîtier comprend une barre 35 placée entre les poulies mobiles et son bord supérieur et parallèlement à ce dernier. Chaque poulie mobile est reliée à la barre 35 par une liaison élastique du type ressort 37. Au repos, le ressort 37 est contracté et la poulie 38 est proche de la barre 35. Lorsqu'il est sollicité, le ressort 37 se met en extension et la poulie 28 s'éloigne de la barre 35. [46] En position rétractée, le câble électrique 2 est replié autour des poulies 28 fixes et mobiles en forme de zigzag. io [47] Le câble 2 est bridé sur le boîtier au niveau de la première ouverture 25, c'est-à-dire qu'il est immobilisé en un point dans le boîtier. [48] Au niveau de la deuxième ouverture 25, le câble 2 est tantôt bridé, tantôt laissé libre au travers de cette ouverture. A is cet effet, le boîtier est équipé d'un système de blocage du câble. Le système de blocage comprend, d'une part, un bouton poussoir 39 situé sur la surface extérieure 41 de la partie évasée 27 de la goulotte 21 (visible sur la figure 2) et, d'autre part, une mâchoire (non visible sur les figures) située sur la 20 paroi interne de la deuxième ouverture 25. Lorsqu'on presse le bouton poussoir, les deux parties de la mâchoire s'écartent de façon à ne pas brider le câble. Lorsque le bouton poussoir est relâché, les deux parties de la mâchoire se resserrent de façon à enserrer le câble et à l'immobiliser. 25 [49] Nous allons à présent détailler le mouvement des poulies 28 selon que le câble 2 est replié (ou rétracté) dans le boîtier 17 ou déplié (ou en extension) à l'extérieur du boîtier. [50] Lorsque le câble 2 est complètement replié dans le boîtier conformément à la figure 3, la rangée 29 de poulies mobiles se 30 trouve au plus proche d'une paroi du boîtier représentée en haut des figures. Les ressorts 37 sont comprimés et permettent de maintenir les poulies 28 au plus proche de la paroi. Les poulies mobiles sont distantes des poulies fixes d'une distance maximale D. Le câble est replié autour de ces poulies. La longueur du câble est d'au moins dix fois la distance D. [51] Pour déployer le câble, l'utilisateur commence toujours au préalable par appuyer sur le bouton poussoir 39 pour libérer le câble 2. Lorsque la longueur de câble souhaitée est obtenue, l'utilisateur relâche le bouton poussoir 39, immobilisant ainsi le câble. [52] Pour déployer le câble 2 d'une longueur égale à deux fois la distance D et en référence à la figure 4, l'utilisateur exerce io une force F1 sur la prise dans la direction de la flèche. Une première poulie 28a mobile coulisse alors le long du rail vers les poulies fixes, provoquant ainsi l'extension du ressort 37a. La première poulie vient en butée au niveau du rail. La butée est située au-dessous du niveau de la rangée des poulies fixes is et se trouve au plus proche de la paroi du boîtier représentée en bas de la figure. [53] Pour déployer le câble 2 d'une longueur égale à quatre fois la distance D et en référence à la figure 5, l'utilisateur exerce une force F2 sur la prise du câble électrique. La force 20 F2 est supérieure à la force F1. La première poulie 28a et une deuxième poulie 28b coulissent le long du rail vers les poulies fixes provoquant ainsi l'extension du premier ressort 37a et d'un deuxième ressort 37b. [54] Pour le déploiement complet du câble 2qui correspond ici 25 à une longueur de dix fois la longueur D, l'utilisateur exerce une force F5 sur le câble. Toutes les poulies mobiles coulissent le long de leurs rails de guidage respectifs vers les poulies fixes jusqu'à être au plus proche de la paroi du boîtier représentée en bas des figures. Tous les ressorts 37 sont en 30 extension. Le câble 2 est complètement tendu entre les poulies selon un chemin rectiligne. [55] Une fois que le câble est en extension (partiellement ou complètement), il peut être rétracté automatiquement. [1] The invention relates to a device for winding an electric cable for powering an electric vehicle. This winding device can also be applied to a hybrid vehicle (that is to say a vehicle that combines two modes of energy generation such as thermal energy and electrical energy) connectable to a socket (or "plug in"). [2] The invention also relates to a vehicle provided with such a winding device. [3] The solutions put in place to recharge electric vehicles directly connectable to a terminal outside the vehicle are equipped with electric cables. These electrical cables are used to connect the vehicle to a charging station located on public roads or in a private facility. After recharging, the user must disconnect the cable from the vehicle side and from the charging terminal side, wind it up and store it in the trunk of his vehicle or in the place where the refill was made. [4] These solutions have a number of disadvantages. Indeed, first the number of manipulations is very important during the life of the vehicle. Then, handling a cable can potentially be messy for the user. In addition, the storage of a cable requires to provide a location in the trunk, which reduces the volume available in the trunk. In this case, the trunk must be opened systematically to retrieve the cable which, if the trunk has been filled with objects, is not necessarily easily accessible. In addition, the connection of a vehicle-side socket can be prominent, because it requires a base almost flush with the body. The length of the cable is important so if the terminal is close congestion of the rest of the cable is also important. In conclusion, the manipulation of the cable is very restrictive. [5] To avoid having to constantly manipulate the cable, winding devices exist. [6] US 5,855,262 discloses a winding device for an electric cable for powering an electric vehicle. This device comprises a housing located in the engine compartment of the vehicle and in which there is an electric cable wound around a coil. Each end of the cable exits the housing. A first end is for connecting to a power supply terminal external to the vehicle. A second end comprises means for connecting to the vehicle to allow the transfer of electrical energy is to the vehicle. The cable may be wrapped around the coil when in the storage position. The cable may be unwound so that its length on the side of the first end may vary outside the vehicle. The device also includes a spring on the axis of the coil, which allows the cable to retract automatically into the housing. [7] US 5,445,252 discloses a winding device for an electric cable for powering an electric vehicle. This device is located in the engine compartment of the vehicle. It comprises a housing in which there is a coil and pulleys. Part of the cable may be wrapped around this coil and another portion of the cable is guided along the pulleys. The device is also equipped with a system allowing the cable to retract automatically onto the spool. Furthermore, the portion of the cable around the pulleys is surrounded by a sheath which has rigid sections movable between them. This part can hardly be wrapped around the reel, so it remains at the pulleys. [8] This winding device nevertheless has the disadvantage of being relatively large. Indeed, the housing must be deep enough to accommodate the coil on which the cable is wound and thanks to which the cable can be retracted. The housing must further have dimensions in length and width sufficient to arrange the pulleys around which the cable is guided. [9] The object of the present invention is to provide a retractable winding device for an electrical cable which has a reduced bulk. [10] For this purpose, the invention relates to a device for winding an electric cable for powering an electric vehicle comprising a housing, a foldable electrical cable in the housing and attached to the housing on the side of one of its ends, the cable being, in the folded position, guided in the housing along a zigzag path defined by supports and in a housing opening on the side of its other end, characterized in that at least a part of the supports is movable in translation so as to vary the distance between the supports which can, on the one hand, come closer to one another to deploy the cable and, on the other hand, to move away one of the other to fold the cable into the housing. [1 1] This makes it possible to fold the cable in a stowed position in a relatively flat volume, unlike storage on a reel, to occupy less space. Therefore, the housing will have a small footprint. [12] Part of the supports is advantageously fixed in the housing. [13] This embodiment is simpler to realize because only a portion of the supports is movably mounted. [14] The movable supports are preferably provided with a return means. [15] In this way, the cable can fold back automatically into the housing under the effect of the return means. [16] The supports are advantageously located on the same plane. [17] This arrangement of the supports improves the flatness of the housing and allows the device to further minimize its bulk. [18] When the cable is in the extended position, the supports are preferably arranged so that the cable forms a straight path. [19] This provides the maximum cable length outside the device. [20] The supports are preferably arranged in two parallel rows with respect to each other. [21] The two rows are advantageously shifted. [22] This means that the supports are not facing so that the cable wraps alternately around a support of a first row then around a support 20 of a second row and so on . [23] The supports are preferably movable in translation along a guide rail. [24] The winding device advantageously comprises a cable locking system. 25 [25] This makes it possible to stop the deployment of the cable when the necessary length is sufficient for the connection and thus to avoid dragging on the ground, the cable does not degrade or become dirty. This locking system also allows, when it is activated, to unlock the cable and thus allow it to fold automatically if it is associated with the return means. [26] The supports are pulleys. [27] The movement of the cable is facilitated around the pulleys. [28] The invention also relates to an electric vehicle comprising a winding device comprising a housing located under the boot floor or in the wing lining of the vehicle, the housing being shaped to receive the winding device. . [29] Other features and advantages will become apparent from the following description, which is indicative and in no way limitative, with reference to the accompanying drawings, in which: - Figure 1 represents a perspective view of the rear of an electric vehicle; FIG. 2 represents a perspective view of the casing of the winding device according to the invention; - Figure 3 shows a top view in section of the winding device in which the cable is completely folded inside the housing; - Figures 4 and 5 show a top view in section of the winding device wherein the cable is partially deployed outside the housing; - Figure 6 shows a top view in section of the winding device in which the cable is completely deployed outside the housing. [30] Figure 1 shows the rear of an electric vehicle comprising a winding device 1 of an electric cable 2. The vehicle comprises a left rear wing 3 on which 30 is a hatch 5 located above a left rear wheel 7 and a rear door 9 to access the trunk 11. [31] As shown in dashed lines in Figure 1, the winding device 1 can be placed either under the trunk floor 11 or in the wing liner 3 of the vehicle. The cable 2 comprises, at one of its ends 13, a connection means 14 for connection to an external charging terminal 15 to the vehicle via a 230-volt socket. This connection means is visible in the opening of the hatch 5. [32] Figure 2 shows the winding device 1 comprising a housing 17 and an electric cable 2. [33] The housing 17 comprises a first hollow body 19 of substantially parallelepipedal shape and a second hollow body 21 of elongated shape and flaring at its free end. The second hollow body 21 is a chute in which is passed the electric cable 2. [34] The housing 17 comprises two openings through which the cable can pass. The cable 2 is disposed in the housing between these two openings. [35] A first opening 23 is on the first body 19. It is on the side of this first opening 23 that the cable 2 is connected to the vehicle. [36] A second opening 25 is on the flared portion 27 of the chute 21. It is on the side of this second opening 25 that the cable 2 is connectable to the outside of the vehicle. The flared shape makes it possible to hold the electric cable 2 by its receptacle 14 when the cable is retracted into the case since only the cable can slide in the elongate part, not the plug 14 which is wider than the cable 2. The chute 21 is particularly interesting when one wishes to deport the second opening. For example, if the first body 19 is stored under the boot floor 11, the chute allows to deport the plug of the cable to a hatch which is located on the rear wing of the vehicle. [37] The first body 19 of the housing is visible in Figures 3 to 6. The first opening 23 is located to the left of the housing. The first body 19 also shows a third opening 27 located on the lower right edge of the housing. This third opening 27 can communicate with the chute 21 (not shown). [38] The interior of the first body 19 of the housing, visible in Figure 3, has two rows of five pulleys 28 each around which the electric cable 2 is folded. [39] The pulleys 28 are arranged in the housing as follows: a row 29 at the top and a row 31 at the bottom. The two rows are placed parallel to each other along opposite walls of the housing. At least a portion of the pulleys is movable. [40] According to the embodiment illustrated in FIGS. 3 to 6, each row 29 and 31 comprises five pulleys 28, the row 31 of bottom pulleys being fixed, that is to say, it does not move. not in the case. In contrast, this row of pulleys is rotatably mounted in the housing. [41] The pulleys 28 of the top row 29 are, on the one hand, rotatably mounted on the housing and, on the other hand, movably mounted in translation on the housing. [42] Movable pulleys 28 include, for example, a projecting rod (not shown) slidable in a guide rail 33. The housing comprises five guide rails 33 along which the movable pulleys 28 can slide. [43] The rails 33 are vertical and are disposed between each pulley 28 of the fixed row 31. Their length is greater than the distance separating the movable pulleys and the fixed pulleys. [44] The pulleys 28 of the fixed row 31 of the bottom are rotatably mounted on the housing. [45] The housing comprises a bar 35 placed between the movable pulleys and its upper edge and parallel to the latter. Each movable pulley is connected to the bar 35 by a resilient connection of the spring type 37. At rest, the spring 37 is contracted and the pulley 38 is close to the bar 35. When biased, the spring 37 is extended and the pulley 28 moves away from the bar 35. [46] In the retracted position, the electric cable 2 is folded around the fixed and movable zigzag-shaped pulleys 28. [47] The cable 2 is clamped to the housing at the first opening 25, i.e. it is immobilized at a point in the housing. [48] At the second opening 25, the cable 2 is sometimes clamped, sometimes left free through this opening. For this purpose, the housing is equipped with a cable locking system. The locking system comprises, on the one hand, a push button 39 located on the outer surface 41 of the flared portion 27 of the chute 21 (visible in FIG. 2) and, on the other hand, a jaw (not visible on the figures) located on the inner wall of the second opening 25. When pressing the push button, the two parts of the jaw move apart so as not to clamp the cable. When the push button is released, both parts of the jaw tighten to grip the cable and immobilize it. [49] We will now detail the movement of the pulleys 28 as the cable 2 is folded (or retracted) into the housing 17 or unfolded (or extended) outside the housing. [50] When the cable 2 is completely folded into the housing according to FIG. 3, the row 29 of movable pulleys is located closest to a wall of the housing shown at the top of the figures. The springs 37 are compressed and keep the pulleys 28 as close to the wall as possible. The movable pulleys are spaced from the fixed pulleys by a maximum distance D. The cable is folded around these pulleys. The length of the cable is at least ten times the distance D. [51] To deploy the cable, the user always first starts by pressing the push button 39 to release the cable 2. When the desired cable length is obtained, the user releases the push button 39, thereby immobilizing the cable. [52] To deploy the cable 2 with a length equal to twice the distance D and with reference to FIG. 4, the user exerts a force F1 on the socket in the direction of the arrow. A first movable pulley 28a then slides along the rail towards the fixed pulleys, thus causing the extension of the spring 37a. The first pulley abuts the rail. The stop is located below the level of the row of fixed pulleys is and is closest to the wall of the housing shown at the bottom of the figure. [53] To deploy the cable 2 with a length equal to four times the distance D and with reference to Figure 5, the user exerts a force F2 on the plug of the electric cable. The force F2 is greater than the force F1. The first pulley 28a and a second pulley 28b slide along the rail towards the fixed pulleys thus causing the extension of the first spring 37a and a second spring 37b. [54] For the complete deployment of the cable 2, which here corresponds to a length of ten times the length D, the user exerts a force F5 on the cable. All the movable pulleys slide along their respective guide rails towards the fixed pulleys to be as close to the wall of the housing shown at the bottom of the figures. All springs 37 are in extension. The cable 2 is completely stretched between the pulleys in a straight path. [55] Once the cable is extended (partially or completely), it can be retracted automatically.

Io [56] Pour ce faire, l'utilisateur appuie sur le bouton poussoir 39, sans exercer de force sur le câble 2. Sous l'effet des ressorts qui se compressent, les poulies 28 mobiles remontent, repliant ainsi le câble dans le boîtier. [57] Selon un mode de réalisation non illustré, toutes les poulies peuvent également être mobiles en translation. Dans ce cas, en extension, les deux rangées de poulies se rejoignent à mi-chemin et sont alignées lorsque le câble est déployé. io [58] De façon alternative et non illustrée, d'autres éléments que des poulies pourraient être employés tels que des supports en forme de boucle, de crochet qui permettent au câble de glisser dessus et qui sont mobiles en translation. Io [56] To do this, the user presses the push button 39, without exerting force on the cable 2. Under the effect of the springs that compress, the movable pulleys 28 rise, thus folding the cable into the housing . [57] According to an embodiment not illustrated, all the pulleys can also be movable in translation. In this case, in extension, the two rows of pulleys meet halfway and are aligned when the cable is deployed. [58] Alternatively and not shown, other elements than pulleys could be employed such as loop-shaped, hook-like supports that allow the cable to slide on and which are movable in translation.

Claims (11)

REVENDICATIONS1. Dispositif d'enroulement (1) d'un câble électrique destiné à alimenter un véhicule électrique comprenant un boîtier (17), un câble électrique (2) repliable dans le boîtier et fixé au boîtier du côté d'une de ses extrémités, le câble (2) étant, en position repliée, guidé dans le boîtier le long d'un chemin en zigzag défini par des supports (28) et dans une ouverture (25) du boîtier du côté de son autre extrémité, caractérisé en ce qu'au moins une partie des supports (28) est mobile en translation io de façon à faire varier la distance entre les supports qui peuvent, d'une part, se rapprocher l'un de l'autre pour déployer le câble et, d'autre part, s'éloigner l'un de l'autre pour replier le câble dans le boîtier. REVENDICATIONS1. Device for winding (1) an electric cable for powering an electric vehicle comprising a housing (17), an electric cable (2) foldable in the housing and fixed to the housing on the side of one of its ends, the cable (2) being, in the folded position, guided in the housing along a zigzag path defined by supports (28) and in an opening (25) of the housing on the side of its other end, characterized in that at least a portion of the supports (28) is movable in translation so as to vary the distance between the supports which can, on the one hand, move towards one another to deploy the cable and on the other hand , move away from each other to fold the cable into the housing. 2. Dispositif d'enroulement selon la revendication 1 is caractérisé en ce qu'une partie des supports (28) est fixe dans le boîtier (17). 2. Winding device according to claim 1 is characterized in that a portion of the supports (28) is fixed in the housing (17). 3. Dispositif d'enroulement selon l'une des revendications 1 ou 2 caractérisé en ce que les supports (28) mobiles sont dotés d'un moyen de rappel (37). 20 3. Winding device according to one of claims 1 or 2 characterized in that the movable supports (28) are provided with a return means (37). 20 4. Dispositif d'enroulement selon l'une quelconque des revendications 1 à 3 caractérisé en ce que les supports (28) sont situés sur un même plan. 4. Winding device according to any one of claims 1 to 3 characterized in that the supports (28) are located on the same plane. 5. Dispositif d'enroulement selon l'une quelconque des revendications précédentes caractérisé en ce que, quand le 25 câble (2) est en position déployée, les supports (28) sont disposés de telle sorte que le câble forme un chemin rectiligne. 5. Winding device according to any one of the preceding claims characterized in that, when the cable (2) is in the deployed position, the supports (28) are arranged such that the cable forms a straight path. 6. Dispositif d'enroulement selon l'une quelconque des revendications précédentes caractérisé en ce que les supports 30 (28) sont disposés selon deux rangées (29, 31) parallèles l'une par rapport à l'autre. 6. Winding device according to any one of the preceding claims characterized in that the supports 30 (28) are arranged in two rows (29, 31) parallel to each other. 7. Dispositif d'enroulement selon la revendication 6, les deux rangées (29, 31) sont décalées. 7. Winding device according to claim 6, the two rows (29, 31) are offset. 8. Dispositif d'enroulement selon l'une quelconque des revendications précédentes caractérisé en ce que les supports (28) sont mobiles en translation le long d'un rail (33) de guidage. 8. Winding device according to any one of the preceding claims characterized in that the supports (28) are movable in translation along a guide rail (33). 9. Dispositif d'enroulement selon l'une quelconque des revendications précédentes caractérisé en ce qu'il comprend un système de blocage du câble. l0 9. Winding device according to any one of the preceding claims characterized in that it comprises a locking system of the cable. l0 10. Dispositif d'enroulement selon l'une quelconque des revendications précédentes caractérisé en ce que les supports (28) sont des poulies. 10. Winding device according to any one of the preceding claims characterized in that the supports (28) are pulleys. 11. Véhicule électrique comprenant un dispositif d'enroulement selon l'une quelconque des revendications précédentes is caractérisé en ce qu'il comprend un logement situé sous le plancher de coffre (11) ou dans la doublure d'aile (3) du véhicule, le logement étant conformé de façon à recevoir le dispositif d'enroulement (1). 11. Electric vehicle comprising a winding device according to any one of the preceding claims is characterized in that it comprises a housing located under the boot floor (11) or in the wing liner (3) of the vehicle, the housing being shaped to receive the winding device (1).
FR1057239A 2010-09-13 2010-09-13 DEVICE FOR WINDING AN ELECTRIC CABLE FOR POWERING AN ELECTRIC VEHICLE Expired - Fee Related FR2964805B1 (en)

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