WO2010031943A1 - Storage module, and vehicle including same - Google Patents

Storage module, and vehicle including same Download PDF

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Publication number
WO2010031943A1
WO2010031943A1 PCT/FR2009/051662 FR2009051662W WO2010031943A1 WO 2010031943 A1 WO2010031943 A1 WO 2010031943A1 FR 2009051662 W FR2009051662 W FR 2009051662W WO 2010031943 A1 WO2010031943 A1 WO 2010031943A1
Authority
WO
WIPO (PCT)
Prior art keywords
module
vehicle
tray
storage module
shock
Prior art date
Application number
PCT/FR2009/051662
Other languages
French (fr)
Inventor
Christian Rames
Original Assignee
Peugeot Citroën Automobiles SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Peugeot Citroën Automobiles SA filed Critical Peugeot Citroën Automobiles SA
Priority to CN200980137247.5A priority Critical patent/CN102159414B/en
Priority to BRPI0912472-1A priority patent/BRPI0912472A2/en
Priority to EP09741360A priority patent/EP2326522A1/en
Publication of WO2010031943A1 publication Critical patent/WO2010031943A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
    • B60K2001/0438—Arrangement under the floor

Definitions

  • Storage module and vehicle comprising such a module.
  • the present invention relates to a storage module of at least one electrochemical accumulator and a motor vehicle comprising such a module.
  • the invention relates to a storage module intended to be fixed on the structure of a vehicle, in particular a motor vehicle, comprising an arrangement of side and bottom walls defining a container adapted to receive at least one electrochemical accumulator.
  • each mode of propulsion requires an optimized structure to meet the requirements concerning the road behavior of the vehicle, so that it is extremely difficult, if not impossible, to adapt an existing vehicle structure to another structure of a vehicle using another mode of propulsion.
  • the storage module according to the invention is essentially characterized in that it comprises at least one beam extending in parallel. to a side wall, said beam being intended to operate the attachment of said module to the vehicle structure by one of its ends.
  • a module is easily adaptable to an existing vehicle structure, while allowing maintenance or change of said module mounted on the structure.
  • module according to the invention may include one or more of the following features.
  • Each beam comprises an interconnection plate extending transversely to the beam to operate the attachment of the module to the structure, which allows to easily link the module with the elements of an existing structure.
  • each beam which is opposite to that dedicated to the attachment of the module to the structure, is adapted to cooperate with a device for absorbing and transmitting energy from a shock, which makes it possible to maintain a constant level of security between the different vehicle structures, whether or not they are equipped with such a storage module.
  • Each beam is a one-piece piece of closed section made from pressed sheets and welded together, the tray being made of composite material overmolded on the beam, which makes the manufacturing process inexpensive and usable in large series, the recourse to the composite material to make the module resistant to different mechanical stresses that are relatively high during an impact of the vehicle on which it is mounted against an external obstacle.
  • the tray and each beam form a single piece made of a composite material, the beam being of closed section, which allows a car manufacturer to call for the manufacture of such a module to a single supplier, specialist in the manufacture of composite parts.
  • Each side wall comprises a projecting lateral rim intended to bear on said structure, which allows a facilitated mounting of the module on the structure, operating for example by sliding of the rim of the module on structural elements of the vehicle .
  • the flange of the module is of substantially complementary shape to that of the upper face of the beam that the flange is intended to cover at least in part, so that the storage module is made according to the existing structure, which carries the module.
  • the subject of the invention also relates to a motor vehicle comprising at least one longitudinal element on which is fixed a storage module according to any one of the preceding features. .
  • the vehicle comprises a device for absorbing and transmitting energy from a shock, such a device being composed of at least one transverse beam having at each of its ends a shock absorber, each absorber being mounted on the beam of the module, so that the safety of the occupants of the vehicle is not degraded by the addition of the storage module.
  • the structure comprises a transverse beam forming a vertical stop to the tray by an overlap operated by a portion of the transverse beam on the rim of the tray, so that such a cross member forming a vertical stop to the high, associated with the extensions which form a vertical abutment downwards, the module then being wholly or partly vertically secured to the structural elements against which it is in contact.
  • FIG. 1 is a diagrammatic representation in perspective showing an end part of a structure of a motor vehicle and a storage module before mounting on the structure, according to the invention
  • FIG. 2 is an exploded schematic representation of the storage module arranged on the structure of FIG. 1.
  • the terms “before”, “back”, “left” and “right” used relate to a normal movement of the vehicle, while the terms “inside” and “outside” define the relative position of an element or a group of elements with which this term is associated, with respect to the passenger compartment of the vehicle.
  • a vehicle body structure 10 delimits a receiving zone A of a module 1 dedicated to the storage of electrochemical accumulators 3, represented by different blocks arranged next to each other in the figures.
  • the receiving zone A of the structure 10 is delimited by extensions 1 1 projecting from the longitudinal members 13 which are arranged on each side of the vehicle. The extensions 1 1 therefore extend substantially parallel to a longitudinal axis of the vehicle.
  • the extensions 11 are interconnected by a cross member 12 which extends transversely to the vehicle, at the junction between a spar and a prolonged.
  • the cross member 12 and the extensions 1 1 form a U open towards the outside of the vehicle, the lateral branches of the U being composed of extensions.
  • the storage module is adapted to be disposed inside the dedicated receiving zone A, more particularly by bearing against the extensions 1 1 and the cross member 12, as is visible in the figures.
  • said receiving zone of the storage module is located at the rear of the vehicle, knowing that without departing from the scope of the invention but according to an alternative embodiment, the vehicle structure comprises a zone A reception which is located at the front of the vehicle.
  • said receiving zone A of said storage module is located at the front of the vehicle.
  • the receiving zone of module 1 is located at the rear of the vehicle, as shown in the figures.
  • the storage module 1 comprises a tray 2 which is adapted to receive electric batteries 3 forming a reserve of electrical energy, and sometimes called electrochemical accumulators.
  • the tray 2 is preferably made of a composite material conferring a high resistance to deformation.
  • the side walls which bear the reference 4 for the right and left longitudinal walls, and the reference 8 for the front and rear transverse walls are used in the transfer of the energy resulting from a shock between the module. 1 storage and an obstacle outside the vehicle, to the structure 10 on which the module 1 is fixed. This allows a homogeneous distribution of the effort of the shock on the different structural parts against which the module 1 is supported.
  • the tray 2 is delimited in the lower part by a bottom wall carrying the batteries.
  • the side and bottom walls of the tray 2 are shaped in view of the batteries that the tray 2 is intended to contain, so that the walls are permanently supported against the batteries, thus avoiding a useless game between the tray 2 and batteries 3.
  • the inertia of the module 1 in the event of impact is zero, the latter instantly distributing the shock force to each of the structural elements against which it is supported.
  • the module 1 is arranged above the extensions 1 1 via a flange 7 of the module 1.
  • such a flange 7 extends at the periphery of the side walls 4 and 8 of the tray 2, projecting from their top, which allows the module to be arranged at the lowest relative to the extensions 1 1 , which promotes the lowering of the center of gravity of the vehicle structure.
  • the flange 7 is perpendicularly projecting from the side walls 4 and 8, which allows mounting of the module by sliding the module along the extensions 1 1 of the vehicle.
  • the vertical connection of the module on the vehicle structure is partly obtained by the cross member 12 which covers all or part of the flange 7 protruding from the front side wall of the module.
  • the flange 7 protruding from the rear side wall of the module is for its part to bear against a device 20 for absorbing and transferring the force of a shock, the module 1 then forming a means guiding the displacement of any deformable element of this device 20.
  • the structure 10 and the storage module 1 are secured to one another by means of at least one dedicated beam 5.
  • each of the longitudinal walls of the tray 2 comprises a beam 5.
  • Fixing the module 1 to the structure 10 is thus operated by each beam 5, which bears against one end of one of the extensions 1 1.
  • the respective ends of each beam 5 and one of the extensions 1 1 associated are substantially complementary shape.
  • the end of the extension 11 against which the module 1 is intended to come into abutment comprises a flat plate 14.
  • the shaping of such a plate 14 is from stamping operations d a steel plate used for the manufacture of the extension 1 1.
  • the module 1 comprises at least one interconnection plate 6 which is intended to cooperate in complementary form with the plate 14.
  • the interconnection plate 6 preferably extends in transverse projection out of one of the longitudinal walls. 4 of the tray 2.
  • the interconnection plate 6 comprises at least one opening which is intended to come to the right of an associated opening and formed on the plate 14 of the extension 1 1.
  • a fixing device of the screw / nut type is suitable for extend through such openings.
  • the interconnection plate 6 of the module 1 and / or the plate 14 comprise a welded nut and arranged coaxially with the openings so that the fixing the module 1 on the structure 10 consists of a single screwing operation, freeing itself in this way from a positioning of the nut to the right of the openings, which is difficult to achieve for an operator located in a production line. big series.
  • Each beam 5 advantageously extends along the longitudinal wall 4 of the tray 2 which is not situated transversely to the right of the extension 1 1.
  • the beam 5 is then located longitudinally in continuity with the extension 1 1, and comprises for this purpose a front end 5a which is connected to the interconnection plate 6.
  • the beam 5 and the interconnection plate 6 form with the tray 2 a part made in one piece and obtained by molding a plastic and from a composite material.
  • each beam 5 is made from stamped sheet metal.
  • the interconnection plate 6 is then attached and welded against the rear end 5a of the beam, the joining of these parts together being performed by at least one weld extending along a junction line between the Beam 5 and the plate 6.
  • the bin 2 made of composite material is then obtained by overmolding beams 5 and 6.
  • the structure 10 is also connected to a device
  • an end 5b of the beam 5 which is opposite the end 5a receiving the interconnection plate 6, extends in a plane substantially parallel to that of the plate 6.
  • each beam 5 extends transversely to the right of the rear side wall 8 which it extends.
  • the end 5b allows the assembly of the aforementioned device 20 which comprises a transverse beam
  • Each absorber 22 is removably connected to the module 1 by means of a fastener type screw / nut.
  • the beam 21 has the effect of receiving and then transferring the force of its shock with an element outside the vehicle, directly to the absorbers 22.
  • the energy is dissipated by the absorbers 22.
  • the absorbers 22 are calibrated to absorb by deformation energy of a shock at low speed, sometimes called shock repairability.
  • shock repairability When the impact energy is much greater, the absorbers are impacted and have no effect on the absorption of energy, forming hard points ensuring the transmission of a part of the shock force to each beam 5 on which it has climbed.
  • the other part of the shock force is transmitted from the beam 21 to the rear side wall 8 of the tray 2 against which the beam 21 bears.
  • Tray 2 transmits and then distributes the shock force to the structure 10 of the vehicle.
  • the vehicle of the invention is remarkable in that it comprises a structure that can be used for different modes of propulsion by common use of the extensions 1 1 and crosspieces 12.
  • the extensions 1 1 are comparable to longitudinal members, while in the case where the module 1 is at the front of the vehicle, such extensions are comparable to stretchers.
  • the tray 2 is intended to receive a spare wheel and forms the same trunk floor rear.
  • the tray 2 is manufactured by stamping a steel plate that can be welded to the various structural elements 10 against which the tray 2 is supported.

Abstract

The invention relates to a storage module (1) intended for attachment onto the structure (10) of a vehicle, particularly an automobile, comprising an arrangement of side (4) and bottom walls defining a tray (2) capable of receiving at least one electrochemical battery (3). The invention is essentially characterized in that at least one beam (5) extends parallel to a side wall (4), said beam (5) intended for carrying out the attachment of said module (1) to the vehicle structure (10) by one of the ends (5a, 5b) thereof. The invention also relates to a vehicle comprising such a module.

Description

Module de stockage et véhicule comprenant un tel module. Storage module and vehicle comprising such a module.
[0001] La présente invention concerne un module de stockage d'au moins un accumulateur électrochimique ainsi qu'un véhicule automobile comportant un tel module.The present invention relates to a storage module of at least one electrochemical accumulator and a motor vehicle comprising such a module.
[0002] Plus particulièrement, l'invention concerne un module de stockage destiné à venir se fixer sur la structure d'un véhicule, notamment un véhicule automobile, comportant un agencement de parois latérales et de fond définissant un bac apte à recevoir au moins un accumulateur électrochimique.More particularly, the invention relates to a storage module intended to be fixed on the structure of a vehicle, in particular a motor vehicle, comprising an arrangement of side and bottom walls defining a container adapted to receive at least one electrochemical accumulator.
[0003] II est connu des véhicules de type véhicule automobile mus par un groupe motopropulseur recourant pour son fonctionnement à un carburant d'origine fossile dont les réserves tendent à se réduire. Il est connu d'utiliser comme moyen de substitution à l'énergie fossile, l'énergie électrique qui permet, une fois emmagasinée dans des accumulateurs électrochimiques dédiés, d'alimenter en énergie un autre type de groupe motopropulseur.It is known vehicles of the motor vehicle type driven by a power plant recourse for its operation to a fuel of fossil origin whose reserves tend to be reduced. It is known to use as a means of substitution for fossil energy, the electrical energy which, once stored in dedicated electrochemical accumulators, to supply energy to another type of powertrain.
[0004] Face à ce problème de réduction des réserves d'énergie fossile, les constructeurs se doivent aujourd'hui de développer de nouveaux véhicules afin satisfaire la demande des clients en ce qui concerne le mode de propulsion, qu'il s'agisse d'une propulsion à partir d'une l'énergie fossile, d'une propulsion à partir d'une énergie électrique, voire d'une propulsion à partir d'une hybridation entre ces deux modes de propulsion.Faced with this problem of reducing fossil fuel reserves, manufacturers today must develop new vehicles to meet customer demand for the mode of propulsion, whether a propulsion from a fossil energy, a propulsion from an electrical energy, or even a propulsion from a hybridization between these two modes of propulsion.
[0005] II est connu que chaque mode de propulsion nécessite une structure optimisée pour répondre aux exigences concernant le comportement routier du véhicule, de sorte qu'il est extrêmement difficile, voire impossible, d'adapter une structure de véhicule existante en une autre structure de véhicule utilisant un autre mode de propulsion.It is known that each mode of propulsion requires an optimized structure to meet the requirements concerning the road behavior of the vehicle, so that it is extremely difficult, if not impossible, to adapt an existing vehicle structure to another structure of a vehicle using another mode of propulsion.
[0006] A cette fin, le module de stockage selon l'invention, par ailleurs conforme à la définition générique qu'en donne le préambule ci-dessus, est essentiellement caractérisé en ce qu'il comprend au moins une poutre s'étendant parallèlement à une paroi latérale, ladite poutre étant destinée à opérer la fixation dudit module à la structure du véhicule par l'une de ses extrémités. [0007] Un tel module est ainsi facilement adaptable à une structure de véhicule existante, tout en permettant la maintenance ou le changement dudit module monté sur la structure.To this end, the storage module according to the invention, moreover in accordance with the generic definition given in the preamble above, is essentially characterized in that it comprises at least one beam extending in parallel. to a side wall, said beam being intended to operate the attachment of said module to the vehicle structure by one of its ends. Such a module is easily adaptable to an existing vehicle structure, while allowing maintenance or change of said module mounted on the structure.
[0008] Par ailleurs, le module selon l'invention peut comporter l'une ou plusieurs des caractéristiques suivantes.Furthermore, the module according to the invention may include one or more of the following features.
[0009] Chaque poutre comprend une platine d'interconnexion s'étendant transversalement à la poutre pour opérer la fixation du module à la structure, ce qui permet de lier facilement le module avec les éléments d'une structure existante.Each beam comprises an interconnection plate extending transversely to the beam to operate the attachment of the module to the structure, which allows to easily link the module with the elements of an existing structure.
[0010] Une extrémité de chaque poutre, qui est opposée à celle dédiée à la fixation du module à la structure, est apte à coopérer avec un dispositif d'absorption et de transmission d'énergie issue d'un choc, ce qui permet de garder au niveau de sécurité constant entre les différentes structures de véhicule, qu'elles soient pourvues ou non d'un tel module de stockage.An end of each beam, which is opposite to that dedicated to the attachment of the module to the structure, is adapted to cooperate with a device for absorbing and transmitting energy from a shock, which makes it possible to maintain a constant level of security between the different vehicle structures, whether or not they are equipped with such a storage module.
[0011] Chaque poutre est une pièce monobloc de section fermée réalisées à partir de tôles embouties et soudées ensemble, le bac étant en matériau composite surmoulé sur la poutre, ce qui rend le procédé de fabrication peu coûteux et utilisable en grande série, le recours au matériau composite permettant de rendre le module résistant aux différentes contraintes mécaniques qui sont relativement élevées lors d'un choc du véhicule sur lequel il est monté contre un obstacle extérieur.Each beam is a one-piece piece of closed section made from pressed sheets and welded together, the tray being made of composite material overmolded on the beam, which makes the manufacturing process inexpensive and usable in large series, the recourse to the composite material to make the module resistant to different mechanical stresses that are relatively high during an impact of the vehicle on which it is mounted against an external obstacle.
[0012] Le bac et chaque poutre forment une pièce monobloc réalisée avec un matériau composite, la poutre étant de section fermée, ce qui permet à un constructeur automobile de faire appel pour la fabrication d'un tel module à un unique fournisseur, spécialiste de la fabrication de pièces composites.The tray and each beam form a single piece made of a composite material, the beam being of closed section, which allows a car manufacturer to call for the manufacture of such a module to a single supplier, specialist in the manufacture of composite parts.
[0013] Chaque paroi latérale comprend un rebord latéral en saillie destiné à prendre appui sur ladite structure, ce qui permet un montage facilité du module sur la structure, s'opérant par exemple par coulissement du rebord du module sur des éléments de structure du véhicule.Each side wall comprises a projecting lateral rim intended to bear on said structure, which allows a facilitated mounting of the module on the structure, operating for example by sliding of the rim of the module on structural elements of the vehicle .
[0014] Le rebord du module est de forme sensiblement complémentaire à celle de la face supérieure de la poutre que le rebord est destiné à recouvrir du moins en partie, de sorte que le module de stockage est réalisé selon la structure existante, laquelle porte le module. [0015] Selon un autre aspect de l'invention, l'objet de l'invention a aussi trait à un véhicule automobile comprenant au moins un élément longitudinal sur lequel vient se fixer un module de stockage conforme à l'une quelconque des caractéristiques précédentes.The flange of the module is of substantially complementary shape to that of the upper face of the beam that the flange is intended to cover at least in part, so that the storage module is made according to the existing structure, which carries the module. According to another aspect of the invention, the subject of the invention also relates to a motor vehicle comprising at least one longitudinal element on which is fixed a storage module according to any one of the preceding features. .
[0016] Par ailleurs, le véhicule comprend un dispositif d'absorption et de transmission d'énergie issue d'un choc, un tel dispositif étant composé d'au moins une poutre transversale comportant à chacune de ses extrémités un absorbeur de choc, chaque absorbeur étant monté sur la poutre du module, de sorte que la sécurité des occupants du véhicule n'est pas dégradée par l'ajout du module de stockage.Furthermore, the vehicle comprises a device for absorbing and transmitting energy from a shock, such a device being composed of at least one transverse beam having at each of its ends a shock absorber, each absorber being mounted on the beam of the module, so that the safety of the occupants of the vehicle is not degraded by the addition of the storage module.
[0017] Selon une autre caractéristique du véhicule, la structure comprend une poutre transversale formant butée verticale au bac par un chevauchement opéré par une partie de la poutre transversale sur le rebord du bac, de sorte qu'une telle traverse formant butée verticale vers le haut, associée aux prolonges qui forment une butée verticale vers le bas, le module étant alors en tout ou partie rendu verticalement solidaire des éléments de structure contre lesquels il est en contact.According to another characteristic of the vehicle, the structure comprises a transverse beam forming a vertical stop to the tray by an overlap operated by a portion of the transverse beam on the rim of the tray, so that such a cross member forming a vertical stop to the high, associated with the extensions which form a vertical abutment downwards, the module then being wholly or partly vertically secured to the structural elements against which it is in contact.
[0018] D'autres avantages et particularités de l'invention ressortent de la description de modes de réalisation faite ci-après en référence aux dessins annexés dans lesquels :Other advantages and features of the invention emerge from the description of embodiments given below with reference to the accompanying drawings in which:
[0019] la figure 1 est une représentation schématique en perspective montrant en éclaté une partie d'extrémité d'une structure d'un véhicule automobile et un module de stockage avant montage sur la structure, selon l'invention, etFIG. 1 is a diagrammatic representation in perspective showing an end part of a structure of a motor vehicle and a storage module before mounting on the structure, according to the invention, and
[0020] la figure 2 est une représentation schématique en éclaté du module de stockage agencé sur la structure de la figure 1.FIG. 2 is an exploded schematic representation of the storage module arranged on the structure of FIG. 1.
[0021] Dans ce qui suit, les termes « avant », « arrière », « gauche » et « droit » utilisés s'entendent par rapport à un déplacement normal du véhicule, tandis que les termes « intérieur » et « extérieur » définissent la position relative d'un élément ou d'un groupe d'éléments auquel ce terme est associé, par rapport à l'habitacle du véhicule.In what follows, the terms "before", "back", "left" and "right" used relate to a normal movement of the vehicle, while the terms "inside" and "outside" define the relative position of an element or a group of elements with which this term is associated, with respect to the passenger compartment of the vehicle.
[0022] En se reportant à la figure 1 , une structure 10 de caisse de véhicule automobile délimite une zone A de réception d'un module 1 dédié au stockage d'accumulateurs électrochimiques 3, représentés par différents blocs disposés les uns à côtés des autres sur les figures. [0023] Pour se faire, la zone A de réception de la structure 10 est délimitée par des prolonges 1 1 situées en saillie des longerons 13 qui sont disposés de chaque côté du véhicule. Les prolonges 1 1 s'étendent donc de manière sensiblement parallèle à un axe longitudinal au véhicule.Referring to Figure 1, a vehicle body structure 10 delimits a receiving zone A of a module 1 dedicated to the storage of electrochemical accumulators 3, represented by different blocks arranged next to each other in the figures. To do this, the receiving zone A of the structure 10 is delimited by extensions 1 1 projecting from the longitudinal members 13 which are arranged on each side of the vehicle. The extensions 1 1 therefore extend substantially parallel to a longitudinal axis of the vehicle.
[0024] Les prolonges 11 sont reliées entre elles par une traverse 12 qui s'étend transversalement au véhicule, au niveau de la jonction entre un longeron et une prolonge. La traverse 12 et les prolonges 1 1 forment un U ouvert vers l'extérieur du véhicule, les branches latérales du U étant composées des prolonges. Le module de stockage est apte à être disposé à l'intérieur de la zone A de réception dédiée, plus particulièrement en venant en appui contre les prolonges 1 1 et la traverse 12, comme cela est rendu visible sur les figures.The extensions 11 are interconnected by a cross member 12 which extends transversely to the vehicle, at the junction between a spar and a prolonged. The cross member 12 and the extensions 1 1 form a U open towards the outside of the vehicle, the lateral branches of the U being composed of extensions. The storage module is adapted to be disposed inside the dedicated receiving zone A, more particularly by bearing against the extensions 1 1 and the cross member 12, as is visible in the figures.
[0025] Dans ce qui suit, ladite zone A de réception du module de stockage est située à l'arrière du véhicule, sachant que sans sortir du périmètre de l'invention mais selon une variante de réalisation, la structure du véhicule comprend une zone A de réception qui est située à l'avant du véhicule.In what follows, said receiving zone of the storage module is located at the rear of the vehicle, knowing that without departing from the scope of the invention but according to an alternative embodiment, the vehicle structure comprises a zone A reception which is located at the front of the vehicle.
[0026] Dans le cas d'un véhicule automobile utilisant comme mode de propulsion le tout électrique, ladite zone A de réception dudit module de stockage est située à l'avant du véhicule.In the case of a motor vehicle using the all electric mode of propulsion, said receiving zone A of said storage module is located at the front of the vehicle.
[0027] Dans le cas d'un véhicule utilisant comme mode de propulsion une hybridation thermique/électrique, la zone A de réception du module 1 est située à l'arrière du véhicule, comme cela est illustré sur les figures.In the case of a vehicle using a thermal / electrical hybridization mode of propulsion, the receiving zone of module 1 is located at the rear of the vehicle, as shown in the figures.
[0028] Dans ce qui suit, le module 1 de stockage comprend un bac 2 qui est apte à recevoir des batteries 3 électriques formant une réserve d'énergie électrique, et que l'on nomme parfois accumulateurs électrochimiques.In what follows, the storage module 1 comprises a tray 2 which is adapted to receive electric batteries 3 forming a reserve of electrical energy, and sometimes called electrochemical accumulators.
[0029] Compte tenu le poids et la protection des batteries en cas de choc, le bac 2 est de préférence réalisé dans un matériau composite lui conférant une résistance élevée à la déformation.Given the weight and protection of the batteries in case of shock, the tray 2 is preferably made of a composite material conferring a high resistance to deformation.
[0030] Avantageusement, les parois latérales qui portent la référence 4 pour les parois longitudinales droite et gauche, et la référence 8 pour les parois transversales avant et arrière, sont utilisées dans le transfert de l'énergie issue d'un choc entre le module 1 de stockage et un obstacle extérieur au véhicule, à la structure 10 sur laquelle le module 1 est fixé. Cela permet une répartition homogène de l'effort du choc sur les différentes pièces de structure contre lesquelles le module 1 est en appui.Advantageously, the side walls which bear the reference 4 for the right and left longitudinal walls, and the reference 8 for the front and rear transverse walls, are used in the transfer of the energy resulting from a shock between the module. 1 storage and an obstacle outside the vehicle, to the structure 10 on which the module 1 is fixed. This allows a homogeneous distribution of the effort of the shock on the different structural parts against which the module 1 is supported.
[0031] Outre les parois latérales 4 et 8, le bac 2 est délimité en partie inférieure par une paroi de fond portant les batteries. De préférence, les parois latérales et de fond du bac 2 sont conformées au vu des batteries que le bac 2 est destiné à contenir, de sorte que les parois restent en permanence en appui contre les batteries, évitant de la sorte tout un jeu inutile entre le bac 2 et les batteries 3. L'inertie du module 1 en cas de choc est alors nulle, ce dernier répartissant instantanément l'effort du choc à chacun des éléments de structure contre lequel il est en appui.In addition to the side walls 4 and 8, the tray 2 is delimited in the lower part by a bottom wall carrying the batteries. Preferably, the side and bottom walls of the tray 2 are shaped in view of the batteries that the tray 2 is intended to contain, so that the walls are permanently supported against the batteries, thus avoiding a useless game between the tray 2 and batteries 3. The inertia of the module 1 in the event of impact is zero, the latter instantly distributing the shock force to each of the structural elements against which it is supported.
[0032] Le module 1 est agencé au dessus des prolonges 1 1 par l'intermédiaire d'un rebord 7 du module 1.The module 1 is arranged above the extensions 1 1 via a flange 7 of the module 1.
[0033] De préférence, un tel rebord 7 s'étend en périphérie des parois latérales 4 et 8 du bac 2, faisant saillie hors de leur sommet, ce qui permet au module d'être disposé au plus bas par rapport aux prolonges 1 1 , ce qui favorise l'abaissement du centre de gravité de la structure du véhicule.Preferably, such a flange 7 extends at the periphery of the side walls 4 and 8 of the tray 2, projecting from their top, which allows the module to be arranged at the lowest relative to the extensions 1 1 , which promotes the lowering of the center of gravity of the vehicle structure.
[0034] Le rebord 7 est perpendiculairement en saillie hors des parois latérales 4 et 8, ce qui permet un montage du module par coulissement du module le long des prolonges 1 1 du véhicule.The flange 7 is perpendicularly projecting from the side walls 4 and 8, which allows mounting of the module by sliding the module along the extensions 1 1 of the vehicle.
[0035] La solidarisation verticale du module sur la structure du véhicule est en partie obtenue par la traverse 12 qui recouvre tout ou partie du rebord 7 faisant saillie hors de la paroi latérale avant du module.The vertical connection of the module on the vehicle structure is partly obtained by the cross member 12 which covers all or part of the flange 7 protruding from the front side wall of the module.
[0036] Le rebord 7 faisant saillie hors de la paroi latérale arrière du module est quant à lui destiné à venir en appui sur un dispositif 20 d'absorption et de transfert d'effort d'un choc, le module 1 formant alors un moyen de guidage au déplacement de tout élément déformable de ce dispositif 20.The flange 7 protruding from the rear side wall of the module is for its part to bear against a device 20 for absorbing and transferring the force of a shock, the module 1 then forming a means guiding the displacement of any deformable element of this device 20.
[0037] La structure 10 et le module 1 de stockage sont solidarisés l'un à l'autre au moyen d'au moins une poutre 5 dédiée.The structure 10 and the storage module 1 are secured to one another by means of at least one dedicated beam 5.
[0038] Dans le mode de fabrication préférée du module 1 , chacune des parois longitudinales du bac 2 comprend une poutre 5.In the preferred method of manufacture of the module 1, each of the longitudinal walls of the tray 2 comprises a beam 5.
[0039] La fixation du module 1 à la structure 10 est ainsi opérée par chaque poutre 5, laquelle vient en appui contre une extrémité de l'une des prolonges 1 1. [0040] Les extrémités respectives de chaque poutre 5 et de l'une des prolonges 1 1 associées sont de forme sensiblement complémentaire. A titre d'exemple, l'extrémité de la prolonge 11 contre laquelle le module 1 est destiné à venir en appui, comprend une plaque plate 14. La mise en forme d'une telle plaque 14 est issue d'opérations d'emboutissage d'une plaque d'acier utilisée pour la fabrication de la prolonge 1 1.Fixing the module 1 to the structure 10 is thus operated by each beam 5, which bears against one end of one of the extensions 1 1. The respective ends of each beam 5 and one of the extensions 1 1 associated are substantially complementary shape. For example, the end of the extension 11 against which the module 1 is intended to come into abutment, comprises a flat plate 14. The shaping of such a plate 14 is from stamping operations d a steel plate used for the manufacture of the extension 1 1.
[0041] Le module 1 comprend au moins une platine d'interconnexion 6 qui est destinée à coopérer par complémentarité de forme avec la plaque 14. La platine d'interconnexion 6 s'étend de préférence en saillie transversale hors d'une des parois longitudinales 4 du bac 2.The module 1 comprises at least one interconnection plate 6 which is intended to cooperate in complementary form with the plate 14. The interconnection plate 6 preferably extends in transverse projection out of one of the longitudinal walls. 4 of the tray 2.
[0042] La platine d'interconnexion 6 comprend au moins une ouverture qui est destinée à venir au droit d'une ouverture associée et ménagée sur la plaque 14 de la prolonge 1 1. Un dispositif de fixation du type vis/écrou est apte à s'étendre au travers de telles ouvertures.The interconnection plate 6 comprises at least one opening which is intended to come to the right of an associated opening and formed on the plate 14 of the extension 1 1. A fixing device of the screw / nut type is suitable for extend through such openings.
[0043] Dans une variante de réalisation dudit moyen de fixation du module 1 à la structure 10, la platine 6 d'interconnexion du module 1 et/ou la plaque 14 comprennent un écrou soudé et disposé de façon coaxiale aux ouvertures de sorte que la fixation du module 1 sur la structure 10 consiste en une unique opération de vissage, s'affranchissant de la sorte d'un positionnement de l'écrou au droit des ouvertures, qui est difficile à réaliser pour un opérateur situé dans une ligne de production en grande série.In an alternative embodiment of said fastening means of the module 1 to the structure 10, the interconnection plate 6 of the module 1 and / or the plate 14 comprise a welded nut and arranged coaxially with the openings so that the fixing the module 1 on the structure 10 consists of a single screwing operation, freeing itself in this way from a positioning of the nut to the right of the openings, which is difficult to achieve for an operator located in a production line. big series.
[0044] Chaque poutre 5 s'étend avantageusement le long de la paroi longitudinale 4 du bac 2 qui n'est pas située transversalement au droit de la prolonge 1 1. La poutre 5 est alors située longitudinalement en continuité de la prolonge 1 1 , et comprend pour ce faire, une extrémité avant 5a qui est liée à la platine d'interconnexion 6.Each beam 5 advantageously extends along the longitudinal wall 4 of the tray 2 which is not situated transversely to the right of the extension 1 1. The beam 5 is then located longitudinally in continuity with the extension 1 1, and comprises for this purpose a front end 5a which is connected to the interconnection plate 6.
[0045] Selon un mode de réalisation préférée, la poutre 5 et la platine d'interconnexion 6 forment avec le bac 2 une pièce réalisée d'un seul tenant et obtenue par moulage d'un plastique et à partir d'un matériau composite.According to a preferred embodiment, the beam 5 and the interconnection plate 6 form with the tray 2 a part made in one piece and obtained by molding a plastic and from a composite material.
[0046] Dans une variante de réalisation, chaque poutre 5 est fabriquée à partir de tôles embouties. La platine d'interconnexion 6 est alors rapportée et soudée contre l'extrémité arrière 5a de la poutre, la solidarisation de ces pièces entre elles étant réalisée par au moins une soudure s'étendant le long d'une ligne de jonction entre la poutre 5 et la platine 6. Le bac 2 en matériau composite est alors obtenu par surmoulage des poutres 5 et platine 6.In an alternative embodiment, each beam 5 is made from stamped sheet metal. The interconnection plate 6 is then attached and welded against the rear end 5a of the beam, the joining of these parts together being performed by at least one weld extending along a junction line between the Beam 5 and the plate 6. The bin 2 made of composite material is then obtained by overmolding beams 5 and 6.
[0047] Outre le module 1 de stockage, la structure 10 est aussi reliée à un dispositifIn addition to the storage module 1, the structure 10 is also connected to a device
20 d'absorption et de transfert d'effort d'un choc par l'intermédiaire de la poutre 5. Pour ce faire, une extrémité 5b de la poutre 5 qui est opposée à l'extrémité 5a recevant la platine d'interconnexion 6, s'étend dans un plan sensiblement parallèle à celui de la platine 6.20 for absorbing and transferring the force of a shock via the beam 5. To this end, an end 5b of the beam 5 which is opposite the end 5a receiving the interconnection plate 6, extends in a plane substantially parallel to that of the plate 6.
[0048] De préférence, l'extrémité 5b de chaque poutre 5 s'étend transversalement au droit de la paroi 8 latérale arrière qu'elle prolonge. L'extrémité 5b permet l'assemblage du dispositif 20 susmentionné qui comprend une poutre transversalePreferably, the end 5b of each beam 5 extends transversely to the right of the rear side wall 8 which it extends. The end 5b allows the assembly of the aforementioned device 20 which comprises a transverse beam
21 aux extrémités de laquelle sont montés de manière solidaire des absorbeurs 22 d'énergie. Chaque absorbeur 22 est lié de façon démontable au module 1 par le biais d'un dispositif de fixation de type vis/écrou.21 at the ends of which energy absorbers 22 are integrally mounted. Each absorber 22 is removably connected to the module 1 by means of a fastener type screw / nut.
[0049] La poutre 21 a pour effet de recevoir, puis de transférer l'effort de son choc avec un élément extérieur au véhicule, directement aux absorbeurs 22. C'est ainsi que selon la violence d'un tel choc, l'énergie est dissipée par les absorbeurs 22.The beam 21 has the effect of receiving and then transferring the force of its shock with an element outside the vehicle, directly to the absorbers 22. Thus, according to the violence of such a shock, the energy is dissipated by the absorbers 22.
[0050] En fait, les absorbeurs 22 sont calibrés pour absorber par déformation l'énergie d'un choc à faible vitesse, parfois nommé choc réparabilité. Lorsque l'énergie du choc est bien plus importante, les absorbeurs sont impactés et sans effet sur l'absorption d'énergie, formant des points durs assurant la transmission d'une partie de l'effort du choc à chaque poutre 5 sur laquelle il est monté.In fact, the absorbers 22 are calibrated to absorb by deformation energy of a shock at low speed, sometimes called shock repairability. When the impact energy is much greater, the absorbers are impacted and have no effect on the absorption of energy, forming hard points ensuring the transmission of a part of the shock force to each beam 5 on which it has climbed.
[0051] L'autre partie de l'effort du choc est transmis de la poutre 21 à la paroi 8 latérale arrière du bac 2 contre laquelle la poutre 21 vient en appui. Le bac 2 transmet et répartit alors l'effort du choc à la structure 10 du véhicule.The other part of the shock force is transmitted from the beam 21 to the rear side wall 8 of the tray 2 against which the beam 21 bears. Tray 2 transmits and then distributes the shock force to the structure 10 of the vehicle.
[0052] Le véhicule de l'invention est remarquable en ce qui comprend une structure utilisable pour différents modes de propulsion par une utilisation commune des prolonges 1 1 et des traverses 12.The vehicle of the invention is remarkable in that it comprises a structure that can be used for different modes of propulsion by common use of the extensions 1 1 and crosspieces 12.
[0053] Dans le cas où le module de stockage est disposé à l'arrière du véhicule, les prolonges 1 1 sont assimilables à des longeronnets, tandis que dans le cas où le module 1 est à l'avant du véhicule, de telles prolonges sont assimilables à des brancards. [0054] Sans sortir du cadre de l'invention, le bac 2 est destiné à recevoir une roue de secours et forme par la même un plancher arrière de coffre. Dans ce cas, le bac 2 est fabriqué par emboutissage d'une plaque d'acier pouvant être soudée aux différents éléments de structure 10 contre lesquels le bac 2 est en appui. In the case where the storage module is disposed at the rear of the vehicle, the extensions 1 1 are comparable to longitudinal members, while in the case where the module 1 is at the front of the vehicle, such extensions are comparable to stretchers. Without departing from the scope of the invention, the tray 2 is intended to receive a spare wheel and forms the same trunk floor rear. In this case, the tray 2 is manufactured by stamping a steel plate that can be welded to the various structural elements 10 against which the tray 2 is supported.

Claims

Revendications claims
1. Module (1 ) de stockage destiné à venir se fixer sur la structure (10) d'un véhicule et notamment d'un véhicule automobile, comportant un agencement de parois latérales (4) et de fond définissant un bac (2) apte à recevoir au moins un accumulateur électrochimique (3), le module comprenant au moins une poutre (5) s'étendant parallèlement à une paroi latérale (4), ladite poutre (5) étant destinée à opérer la fixation dudit module (1 ) à la structure (10) du véhicule par l'une de ses extrémités (5a, 5b), caractérisé en ce que la paroi latérale (4) comprend un rebord latéral (7) en saillie destiné à prendre appui sur ladite structure (10).1. Module (1) for storing to be fixed on the structure (10) of a vehicle and in particular of a motor vehicle, comprising an arrangement of side walls (4) and bottom defining a tray (2) apt receiving at least one electrochemical accumulator (3), the module comprising at least one beam (5) extending parallel to a side wall (4), said beam (5) being intended to operate the fixing of said module (1) to the structure (10) of the vehicle at one of its ends (5a, 5b), characterized in that the side wall (4) comprises a lateral flange (7) projecting to bear on said structure (10).
2. Module selon la revendication 1 , caractérisé en ce que chaque poutre (5) comprend une platine d'interconnexion (6) s'étendant transversalement à la poutre pour opérer la fixation du module (1 ) à la structure (10).2. Module according to claim 1, characterized in that each beam (5) comprises an interconnection plate (6) extending transversely to the beam to operate the attachment of the module (1) to the structure (10).
3. Module selon la revendication 1 ou 2, caractérisé en ce qu'une extrémité (5b) de chaque poutre opposée à celle (5a) de fixation à la structure (10) est apte à coopérer avec un dispositif (20) d'absorption et de transmission d'énergie issue d'un choc.3. Module according to claim 1 or 2, characterized in that one end (5b) of each beam opposite to that (5a) of attachment to the structure (10) is adapted to cooperate with a device (20) absorption and energy transmission from a shock.
4. Module selon l'une des revendications 1 à 3, caractérisé en ce que chaque poutre (5) est une pièce monobloc de section fermée réalisées à partir de tôles embouties et soudées ensemble, le bac (2) étant en matériau composite surmoulé sur la poutre (5).4. Module according to one of claims 1 to 3, characterized in that each beam (5) is a one-piece piece of closed section made from pressed sheets and welded together, the tray (2) being made of composite material overmolded on the beam (5).
5. Module selon l'une des revendications 1 à 3, caractérisé en ce que le bac (2) et chaque poutre (5) forment une pièce monobloc réalisée avec un matériau composite, la poutre (5) étant de section fermée.5. Module according to one of claims 1 to 3, characterized in that the tray (2) and each beam (5) form a single piece made of a composite material, the beam (5) being of closed section.
6. Module selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le rebord (7) est de forme sensiblement complémentaire à celle de la face supérieure de la poutre (5) que le rebord (7) est destiné à recouvrir du moins en partie.6. Module according to any one of claims 1 to 5, characterized in that the flange (7) is of substantially complementary shape to that of the upper face of the beam (5) that the flange (7) is intended to cover at least in part.
7. Véhicule automobile comprenant au moins un élément longitudinal (1 1 ) et un module (1 ) de stockage selon l'une quelconque des revendications précédentes, caractérisé en ce que ledit module (1 ) est fixé sur l'élément longitudinal (1 1 ). 7. Motor vehicle comprising at least one longitudinal element (1 1) and a storage module (1) according to any one of the preceding claims, characterized in that said module (1) is fixed on the longitudinal element (1 1 ).
8. Véhicule selon la revendication 7, caractérisé en ce qu'il comprend un dispositif (20) d'absorption et de transmission d'énergie issue d'un choc, un tel dispositif étant composé d'au moins une poutre transversale (21 ) comportant à chacune de ses extrémités un absorbeur (22) de choc, chaque absorbeur étant monté sur la poutre (5) du module (1 ).8. Vehicle according to claim 7, characterized in that it comprises a device (20) for absorbing and transmitting energy from an impact, such a device being composed of at least one transverse beam (21). having at each end a shock absorber (22), each absorber being mounted on the beam (5) of the module (1).
9. Véhicule selon la revendication 7 ou 8, caractérisé en ce que la structure (10) comprend une poutre transversale (12) formant butée verticale au bac (2) par un chevauchement opéré par une partie de la poutre transversale (12) sur le rebord (7) du bac (2). 9. Vehicle according to claim 7 or 8, characterized in that the structure (10) comprises a transverse beam (12) forming a vertical stop to the tray (2) by an overlap operated by a portion of the transverse beam (12) on the rim (7) of the container (2).
PCT/FR2009/051662 2008-09-22 2009-09-03 Storage module, and vehicle including same WO2010031943A1 (en)

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EP09741360A EP2326522A1 (en) 2008-09-22 2009-09-03 Storage module, and vehicle including same

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EP2326522A1 (en) 2011-06-01
BRPI0912472A2 (en) 2018-02-27
FR2936189B1 (en) 2011-06-17
CN102159414A (en) 2011-08-17
CN102159414B (en) 2014-09-17

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