WO2021165593A1 - Compartment for equipment capable of releasing heat - Google Patents

Compartment for equipment capable of releasing heat Download PDF

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Publication number
WO2021165593A1
WO2021165593A1 PCT/FR2021/050097 FR2021050097W WO2021165593A1 WO 2021165593 A1 WO2021165593 A1 WO 2021165593A1 FR 2021050097 W FR2021050097 W FR 2021050097W WO 2021165593 A1 WO2021165593 A1 WO 2021165593A1
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WO
WIPO (PCT)
Prior art keywords
frame
compartment
bottom wall
compartment according
fixing member
Prior art date
Application number
PCT/FR2021/050097
Other languages
French (fr)
Inventor
Sergio Da Costa Pito
Guillaume GARDERE
Nicolas Levasseur
Original Assignee
Valeo Systemes Thermiques
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 Valeo Systemes Thermiques filed Critical Valeo Systemes Thermiques
Publication of WO2021165593A1 publication Critical patent/WO2021165593A1/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the present invention relates to a compartment for equipment capable of giving off heat during its operation, in particular for an electrical energy storage device for a motor vehicle.
  • Patent applications US2017176108 and WO 2013056938 describe heat exchangers for cooling battery cells. Furthermore, patent application US 2011/0206967 A describes an example of such a battery. In this application, the cells are stored in containers having housings for receiving the cells.
  • the present invention aims in particular to improve a compartment for receiving battery cells, in particular as regards its tightness.
  • the present invention thus relates to a compartment for equipment capable of releasing heat during its operation, in particular for an electrical energy storage device for a motor vehicle, this compartment comprising at least one frame and one wall. bottom attached to the frame.
  • the frame is fixed to the bottom wall by a fixing member, the frame comprising a sealed cavity arranged to receive a portion of the fixing member, once the 'fixing member put in the fixing position.
  • the frame has at least one extruded profile region, and the sealed cavity is formed on the extruded profile.
  • the invention also makes it possible to avoid leaks in the storage space of the battery cells, which leaks can prove to be dangerous. Indeed the cavities in the profile being sealed, a leak is impossible, by comparison with the case where the profile would be drilled by screws, and these holes would communicate with each other to form a possible path for water leaks, resulting for example from water splashes .
  • the sealed cavities eliminate these leakage paths between the exterior of the comparator and its interior.
  • the frame has at least one extruded profile region, and the sealed cavity is formed on the extruded profile.
  • the sealed cavity is formed by three walls of the extruded profile.
  • the extruded profile is made of metal, in particular steel or aluminum.
  • the sealed cavity (s) are isolated from the interior space of the extruded profile.
  • the fastener is a screw.
  • the screw has a thread and the thread is introduced into the sealed cavity.
  • this screw is a self-tapping screw, or in English "Self tapping screw”.
  • the sealed cavities formed by the extruded profile can allow mechanical reinforcement.
  • the compartment comprises a passage for receiving the fixing member, this passage comprising the sealed cavity and at least one orifice in the bottom wall and / or a plastic part. integral with the back wall.
  • the fastener rests directly on a rim of the passage, without the interposition of a seal.
  • the compartment receives cooling plates on the bottom wall.
  • an anti-creep ring is interposed between a head of the screw and the rim of the screw passage.
  • fasteners are provided both for fixing the bottom wall to the frame, and also for fixing a cover to this frame.
  • the fasteners are made of metal.
  • the cover and the bottom wall are made of plastic-based composite materials.
  • the seal is a seal against water, in particular against splashing water.
  • the sealed cavities are not previously tapped.
  • seals in particular made of silicone, are provided between the frame and the bottom wall, in particular around the entire periphery of the junction between this frame and the wall of bottom, in particular a plastic edge part of this bottom wall, this seal or these seals being distant from the fasteners.
  • seals in particular made of silicone, are provided between the frame and the cover, in particular over the entire periphery of the junction between this frame and the cover, in particular a plastic edge part of this cover, this seal or these seals being distant from the fasteners.
  • the cooling plate or plates are held by this edge portion, in particular plastic, of the bottom wall.
  • each cooling plate has channels for the circulation of cooling fluid, in particular a refrigerant.
  • each channel is connected to a cooling circuit external to the compartment, which circuit comprises, for example, heat exchangers and a compressor for circulating the cooling fluid.
  • each plate is formed by the assembly of two half-plates, not necessarily symmetrical to each other.
  • the battery cells sit on the cooling plates.
  • the extruded profile has an interior space resulting from the extrusion which is closed in a watertight manner, without any orifice or bore opening into this interior space.
  • the invention also relates to an electrical energy storage device comprising a plurality of battery cells in particular arranged in a row, and a compartment as described above, the cells being placed in this compartment in thermal interaction with the cooling plates.
  • FIG.1 is a schematic view of an electrical energy storage device according to an exemplary embodiment of the invention.
  • FIG.2 shows a section of the compartment of [Fig.1].
  • FIG. 1 An electrical energy storage module 1 comprising a plurality of battery cells 19 and a compartment 2.
  • This compartment 2 defines, with an upper cover 9, a housing 5 which contains the battery cells 9.
  • This compartment 2 comprises a frame 93 which defines a perimeter 95 of the compartment 2.
  • This frame 93 has external bars 94 forming the rim 95.
  • the bars 94 are each formed by an extruded profile. These bars are for example made of steel or aluminum.
  • the cover 9 is arranged to rest against the frame 93 to close the compartment, with the interposition of one or more seals.
  • Compartment 2 comprises a bottom wall 17 fixed to the frame 93, as visible in FIG. 2.
  • the frame 93 is fixed to the bottom wall 17 by a fixing member 20, the frame comprising a sealed cavity 21 arranged to receive a portion 22 of the fixing member, once the fixing member is placed in the fixing position.
  • the frame 93 has an extruded profile 97, and the sealed cavity 21 is formed on the extruded profile.
  • Each sealed cavity 21 is formed by three walls 98 of the extruded profile 97.
  • the extruded profile is made of metal, in particular steel or aluminum.
  • Each cavity 21 corresponds to a fixing member which is a screw 20.
  • Each screw 20, which has a head 29 has a thread 28 and the thread is introduced into the sealed cavity 21.
  • This screw 20 is a self-tapping screw, or in English "Self tapping screw”.
  • the sealed cavities 21 formed by the extruded profile can allow mechanical reinforcement.
  • the compartment has a passage 31 for receiving the fixing member, this passage comprising the sealed cavity 21 and at least one orifice 32 in the bottom wall 17 and / or a plastic part 34 integral with the bottom wall .
  • the fastener 20 rests directly on a rim 35 of the passage, without the interposition of a seal.
  • the compartment receives cooling plates 40 on the bottom wall.
  • An anti-creep ring 39 is interposed between a head 29 of the screw and the flange 35 of the screw passage.
  • Screws 20 are provided both for fixing the bottom wall 17 to the frame, and also for fixing a cover 9 on this frame 93.
  • the fasteners 20 are made of metal.
  • the cover 9 and the bottom wall 17 are made of plastic-based composite materials.
  • Sealing is a seal against water, in particular against splashing water.
  • Seals 44 are provided between the frame 93 and the bottom wall 17, in particular around the entire periphery of the junction between this frame and the bottom wall, in particular a plastic part of border of this bottom wall.
  • Seals 44 are provided between the frame and the cover 9, in particular around the entire periphery of the junction between this frame and the cover, in particular a plastic part of the edge of this cover.
  • the cooling plates 40 are held by this edge part, in particular plastic, of the bottom wall.
  • Each cooling plate 40 comprises cooling fluid circulation channels, in particular a refrigerant.
  • These channels are connected to a cooling circuit external to the compartment, which circuit comprises, for example, heat exchangers and a compressor for circulating the cooling fluid.
  • Each plate is formed by assembling two half-plates, not necessarily symmetrical to each other.
  • the extruded section 97 has an interior space 99 resulting from the extrusion which is closed in a watertight manner, without any orifice or drilling opening into this interior space j

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Secondary Cells (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The invention relates to a compartment (2) for equipment (19) capable of releasing heat during operation thereof, in particular for an electrical energy storage device for a motor vehicle, said compartment comprising at least one frame (93) and a bottom wall (17) attached to the frame.

Description

DESCRIPTION DESCRIPTION
TITRE DE L'INVENTION : COMPARTIMENT POUR UN EQUIPEMENT SUSCEPTIBLE DE DEGAGER DE LATITLE OF THE INVENTION: COMPARTMENT FOR EQUIPMENT LIKELY TO RELEASE
CHALEUR HEAT
[1] La présente invention concerne un compartiment pour un équipement susceptible de dégager de la chaleur lors de son fonctionnement, notamment pour un dispositif de stockage d'énergie électrique pour véhicule automobile. [1] The present invention relates to a compartment for equipment capable of giving off heat during its operation, in particular for an electrical energy storage device for a motor vehicle.
[2] Les demandes de brevet US2017176108 et WO 2013056938 décrivent des échangeurs de chaleur pour refroidir des cellules de batterie. Par ailleurs la demande de brevet US 2011/0206967 A décrit un exemple de telle batterie. Dans cette demande, les cellules sont stockées dans des containers ayant des logements de réception des cellules. [2] Patent applications US2017176108 and WO 2013056938 describe heat exchangers for cooling battery cells. Furthermore, patent application US 2011/0206967 A describes an example of such a battery. In this application, the cells are stored in containers having housings for receiving the cells.
[3] La présente invention vise notamment à améliorer un compartiment pour recevoir des cellules de batterie, notamment concernant son étanchéité. [3] The present invention aims in particular to improve a compartment for receiving battery cells, in particular as regards its tightness.
[4] La présente invention a ainsi pour objet un compartiment pour un équipement susceptible de dégager de la chaleur lors de son fonctionnement, notamment pour un dispositif de stockage d'énergie électrique pour véhicule automobile, ce compartiment comportant au moins un cadre et une paroi de fond fixée au cadre. [4] The present invention thus relates to a compartment for equipment capable of releasing heat during its operation, in particular for an electrical energy storage device for a motor vehicle, this compartment comprising at least one frame and one wall. bottom attached to the frame.
[5] Selon l’un des aspects de l’invention, le cadre est fixé à la paroi de fond par un organe de fixation, le cadre comportant une cavité étanche agencée pour recevoir une portion de l’organe de fixation, une fois l’organe de fixation mis dans la position de fixation. [5] According to one of the aspects of the invention, the frame is fixed to the bottom wall by a fixing member, the frame comprising a sealed cavity arranged to receive a portion of the fixing member, once the 'fixing member put in the fixing position.
[6] Selon l’un des aspects de l’invention, le cadre comporte au moins une région en profil extrudé, et la cavité étanche est formée sur le profil extrudé. [6] According to one aspect of the invention, the frame has at least one extruded profile region, and the sealed cavity is formed on the extruded profile.
[7] Grâce à l’invention, il est possible de réduire le nombre d’éléments nécessaire à la fixation de la paroi de fond au cadre, notamment par exemple par comparaison à un vissage classique qui nécessiterait un joint d’étanchéité pour chaque vis de fixation. [7] Thanks to the invention, it is possible to reduce the number of elements necessary for fixing the bottom wall to the frame, in particular for example by comparison with a conventional screwing which would require a seal for each screw. of fixation.
[8] L’invention permet également d’éviter des fuites dans l’espace de stockage des cellules de batterie, fuites qui peuvent s’avérer dangereuses. En effet les cavités dans le profilé étant étanches, une fuite est impossible, par comparaison au cas où le profilé serait percé par les vis, et ces perçages communiqueraient entre eux pour former un chemin possible pour des fuites d’eau, issus par exemple de projections d’eau. Dans l’invention, les cavités rendues étanches éliminent ces chemins de fuites entre l’extérieur du comparativement et son intérieur. [8] The invention also makes it possible to avoid leaks in the storage space of the battery cells, which leaks can prove to be dangerous. Indeed the cavities in the profile being sealed, a leak is impossible, by comparison with the case where the profile would be drilled by screws, and these holes would communicate with each other to form a possible path for water leaks, resulting for example from water splashes . In the invention, the sealed cavities eliminate these leakage paths between the exterior of the comparator and its interior.
[9] Selon l’un des aspects de l’invention, le cadre comporte au moins une région en profil extrudé, et la cavité étanche est formée sur le profil extrudé. [9] According to one aspect of the invention, the frame has at least one extruded profile region, and the sealed cavity is formed on the extruded profile.
[10] Selon l’un des aspects de l’invention, la cavité étanche est formée par trois parois du profil extrudé. [10] According to one aspect of the invention, the sealed cavity is formed by three walls of the extruded profile.
[11] Selon l’un des aspects de l’invention, le profil extrudé est en métal, notamment en acier ou en aluminium. [11] According to one aspect of the invention, the extruded profile is made of metal, in particular steel or aluminum.
[12] Selon l’un des aspects de l’invention, le ou les cavités étanches sont isolées de l’espace intérieur du profil extrudé. [12] According to one aspect of the invention, the sealed cavity (s) are isolated from the interior space of the extruded profile.
[13] Selon l’un des aspects de l’invention, l’organe de fixation est une vis. [13] According to one aspect of the invention, the fastener is a screw.
[14] Selon l’un des aspects de l’invention, la vis comporte un filetage et le filetage est introduit dans la cavité étanche. [14] According to one aspect of the invention, the screw has a thread and the thread is introduced into the sealed cavity.
[15] Notamment cette vis est une vis à auto-taraudage, ou en anglais « Self tapping screw ». [15] In particular this screw is a self-tapping screw, or in English "Self tapping screw".
[16] Les cavités étanches formées par le profil extrudé peuvent permettre un renfort mécanique. [16] The sealed cavities formed by the extruded profile can allow mechanical reinforcement.
[17] Selon l’un des aspects de l’invention, le compartiment comporte un passage pour recevoir l’organe de fixation, ce passage comprenant la cavité étanche et au moins un orifice dans la paroi de fond et/ou une partie en plastique solidaire de la paroi de fond. [17] According to one of the aspects of the invention, the compartment comprises a passage for receiving the fixing member, this passage comprising the sealed cavity and at least one orifice in the bottom wall and / or a plastic part. integral with the back wall.
[18] Selon l’un des aspects de l’invention, l’organe de fixation s’appuie directement sur un rebord du passage, sans interposition d’un joint d’étanchéité. [18] According to one aspect of the invention, the fastener rests directly on a rim of the passage, without the interposition of a seal.
[19] Selon l’un des aspects de l’invention, le compartiment reçoit des plaques de refroidissement sur la paroi de fond. [19] According to one aspect of the invention, the compartment receives cooling plates on the bottom wall.
[20] Selon l’un des aspects de l’invention, une bague anti-fluage est interposée entre une tête de la vis et le rebord du passage de vis. [21] Selon l’un des aspects de l’invention, des organes de fixations sont prévus à la fois pour la fixation de la paroi de fond au cadre, et aussi la fixation d’un couvercle sur ce cadre. [20] According to one of the aspects of the invention, an anti-creep ring is interposed between a head of the screw and the rim of the screw passage. [21] According to one of the aspects of the invention, fasteners are provided both for fixing the bottom wall to the frame, and also for fixing a cover to this frame.
[22] Selon l’un des aspects de l’invention, les organes de fixation sont en métal. [22] According to one aspect of the invention, the fasteners are made of metal.
[23] Selon l’un des aspects de l’invention, le couvercle et la paroi de fond sont en matériaux composites à base de plastique. [23] According to one aspect of the invention, the cover and the bottom wall are made of plastic-based composite materials.
[24] Selon l’un des aspects de l’invention, l’étanchéité est une étanchéité à l’eau, notamment aux projections d’eau. [24] According to one aspect of the invention, the seal is a seal against water, in particular against splashing water.
[25] Selon l’un des aspects de l’invention, les cavités étanches ne sont pas préalablement taraudées. [25] According to one aspect of the invention, the sealed cavities are not previously tapped.
[26] Selon l’un des aspects de l’invention, des joints d’étanchéité, notamment en silicone, sont prévus entre le cadre et la paroi de fond, notamment sur tout le pourtour de la jonction entre ce cadre et la paroi de fond, notamment une partie en plastique de bordure de cette paroi de fond, ce joint ou ces joints étant distants des organes de fixation. [26] According to one of the aspects of the invention, seals, in particular made of silicone, are provided between the frame and the bottom wall, in particular around the entire periphery of the junction between this frame and the wall of bottom, in particular a plastic edge part of this bottom wall, this seal or these seals being distant from the fasteners.
[27] Selon l’un des aspects de l’invention, des joints d’étanchéité, notamment en silicone, sont prévus entre le cadre et le couvercle, notamment sur tout le pourtour de la jonction entre ce cadre et le couvercle, notamment une partie en plastique de bordure de ce couvercle, ce joint ou ces joints étant distants des organes de fixation. [27] According to one of the aspects of the invention, seals, in particular made of silicone, are provided between the frame and the cover, in particular over the entire periphery of the junction between this frame and the cover, in particular a plastic edge part of this cover, this seal or these seals being distant from the fasteners.
[28] Selon l’un des aspects de l’invention, la ou les plaques de refroidissement sont maintenues par cette partie de bordure, notamment en plastique, de la paroi de fond. [28] According to one aspect of the invention, the cooling plate or plates are held by this edge portion, in particular plastic, of the bottom wall.
[29] Selon l’un des aspects de l’invention, chaque plaque de refroidissement comporte des canaux de circulation de fluide de refroidissement, notamment un réfrigérant. [29] According to one aspect of the invention, each cooling plate has channels for the circulation of cooling fluid, in particular a refrigerant.
[30] Selon l’un des aspects de l’invention, ces canaux sont reliés à un circuit de refroidissement extérieur au compartiment, circuit qui comprend par exemple des échangeurs de chaleur et un compresseur pour la mise en circulation du fluide de refroidissement. [31] Selon l’un des aspects de l’invention, chaque plaque est formée par l’assemblage de deux demi-plaques, non nécessairement symétriques l’une de l’autre. [30] According to one of the aspects of the invention, these channels are connected to a cooling circuit external to the compartment, which circuit comprises, for example, heat exchangers and a compressor for circulating the cooling fluid. [31] According to one of the aspects of the invention, each plate is formed by the assembly of two half-plates, not necessarily symmetrical to each other.
[32] Selon l’un des aspects de l’invention, les cellules de batteries reposent sur les plaques de refroidissement. [32] According to one aspect of the invention, the battery cells sit on the cooling plates.
[33] Selon l’un des aspects de l’invention, le profilé extrudé comporte un espace intérieur issu de l’extrusion qui est fermé de manière étanche à l’eau, sans orifice ni perçage débouchant dans cet espace intérieur. [33] According to one aspect of the invention, the extruded profile has an interior space resulting from the extrusion which is closed in a watertight manner, without any orifice or bore opening into this interior space.
[34] L’invention concerne encore un dispositif de stockage d’énergie électrique comportant une pluralité de cellules de batterie notamment disposées suivant une rangée, et un compartiment tel que décrit ci-dessus, les cellules étant placées dans ce compartiment en interaction thermique avec les plaques de refroidissement. [34] The invention also relates to an electrical energy storage device comprising a plurality of battery cells in particular arranged in a row, and a compartment as described above, the cells being placed in this compartment in thermal interaction with the cooling plates.
[35] D'autres caractéristiques, détails et avantages de l'invention ressortiront plus clairement à la lecture de la description détaillée donnée ci-après, et de plusieurs exemples de réalisation donnés à titre indicatif et non limitatif en référence aux dessins schématiques annexés d’autre part, sur lesquels : [35] Other characteristics, details and advantages of the invention will emerge more clearly on reading the detailed description given below, and several exemplary embodiments given by way of indication and not by way of limitation with reference to the appended schematic drawings d on the other hand, on which:
[36] [Fig.1 ] est une vue schématique d’un dispositif de stockage d’énergie électrique selon un exemple de réalisation de l’invention, [36] [Fig.1] is a schematic view of an electrical energy storage device according to an exemplary embodiment of the invention,
[37] [Fig.2] représente une coupe du compartiment de la [Fig.1 ]. [37] [Fig.2] shows a section of the compartment of [Fig.1].
[38] On a représenté sur la figure 1 un module 1 de stockage d’énergie électrique comportant une pluralité de cellules de batterie 19 et un compartiment 2. [38] There is shown in Figure 1 an electrical energy storage module 1 comprising a plurality of battery cells 19 and a compartment 2.
[39] Ce compartiment 2 définit, avec un couvercle supérieur 9, un boîtier 5 qui contient les cellules de batterie 9. [39] This compartment 2 defines, with an upper cover 9, a housing 5 which contains the battery cells 9.
[40] Ce compartiment 2 comporte un cadre 93 qui définit un pourtour 95 du compartiment 2. [40] This compartment 2 comprises a frame 93 which defines a perimeter 95 of the compartment 2.
[41 ] Ce cadre 93 comporte des barreaux externes 94 formant le pourtour 95. [41] This frame 93 has external bars 94 forming the rim 95.
[42] Les barreaux 94 sont formés chacun par un profil extrudé. Ces barreaux sont par exemple en acier ou aluminium. [43] Le couvercle 9 est agencé pour s’appliquer contre le cadre 93 pour fermer le compartiment, avec interposition d’un ou plusieurs joints d’étanchéité. [42] The bars 94 are each formed by an extruded profile. These bars are for example made of steel or aluminum. [43] The cover 9 is arranged to rest against the frame 93 to close the compartment, with the interposition of one or more seals.
[44] Le compartiment 2 comporte une paroi de fond 17 fixée au cadre 93, comme visible sur la figure 2. [44] Compartment 2 comprises a bottom wall 17 fixed to the frame 93, as visible in FIG. 2.
[45] Le cadre 93 est fixé à la paroi de fond 17 par un organe de fixation 20, le cadre comportant une cavité étanche 21 agencée pour recevoir une portion 22 de l’organe de fixation, une fois l’organe de fixation mis dans la position de fixation. [45] The frame 93 is fixed to the bottom wall 17 by a fixing member 20, the frame comprising a sealed cavity 21 arranged to receive a portion 22 of the fixing member, once the fixing member is placed in the fixing position.
[46] Le cadre 93 comporte un profil extrudé 97, et la cavité étanche 21 est formée sur le profil extrudé. [46] The frame 93 has an extruded profile 97, and the sealed cavity 21 is formed on the extruded profile.
[47] Chaque cavité étanche 21 est formée par trois parois 98 du profil extrudé 97. [47] Each sealed cavity 21 is formed by three walls 98 of the extruded profile 97.
[48] Le profil extrudé est en métal, notamment en acier ou en aluminium. [48] The extruded profile is made of metal, in particular steel or aluminum.
[49] Il est prévu plusieurs cavités étanches 21 qui sont isolées de l’espace intérieur 99 du profil extrudé 97. [49] Several sealed cavities 21 are provided which are isolated from the interior space 99 of the extruded profile 97.
[50] A chaque cavité 21 , correspond un organe de fixation qui est une vis 20. [50] Each cavity 21 corresponds to a fixing member which is a screw 20.
[51] Chaque vis 20, qui comporte une tête 29 comporte un filetage 28 et le filetage est introduit dans la cavité étanche 21. [51] Each screw 20, which has a head 29 has a thread 28 and the thread is introduced into the sealed cavity 21.
[52] Cette vis 20 est une vis à auto-taraudage, ou en anglais « Self tapping screw » . [52] This screw 20 is a self-tapping screw, or in English "Self tapping screw".
[53] Les cavités étanches 21 formées par le profil extrudé peuvent permettre un renfort mécanique. [53] The sealed cavities 21 formed by the extruded profile can allow mechanical reinforcement.
[54] Le compartiment comporte un passage 31 pour recevoir l’organe de fixation, ce passage comprenant la cavité étanche 21 et au moins un orifice 32 dans la paroi de fond 17 et/ou une partie en plastique 34 solidaire de la paroi de fond. [54] The compartment has a passage 31 for receiving the fixing member, this passage comprising the sealed cavity 21 and at least one orifice 32 in the bottom wall 17 and / or a plastic part 34 integral with the bottom wall .
[55] L’organe de fixation 20 s’appuie directement sur un rebord 35 du passage, sans interposition d’un joint d’étanchéité. [55] The fastener 20 rests directly on a rim 35 of the passage, without the interposition of a seal.
[56] Le compartiment reçoit des plaques de refroidissement 40 sur la paroi de fond. [57] Une bague anti-fluage 39 est interposée entre une tête 29 de la vis et le rebord 35 du passage de vis. [56] The compartment receives cooling plates 40 on the bottom wall. [57] An anti-creep ring 39 is interposed between a head 29 of the screw and the flange 35 of the screw passage.
[58] Des vis 20 sont prévues à la fois pour la fixation de la paroi de fond 17 au cadre, et aussi la fixation d’un couvercle 9 sur ce cadre 93. [58] Screws 20 are provided both for fixing the bottom wall 17 to the frame, and also for fixing a cover 9 on this frame 93.
[59] Les organes de fixation 20 sont en métal. [59] The fasteners 20 are made of metal.
[60] Le couvercle 9 et la paroi de fond 17 sont en matériaux composites à base de plastique. [60] The cover 9 and the bottom wall 17 are made of plastic-based composite materials.
[61 ] L’étanchéité est une étanchéité à l’eau, notamment aux projections d’eau. [61] Sealing is a seal against water, in particular against splashing water.
[62] Les cavités étanches 21 ne sont pas préalablement taraudées. [62] The sealed cavities 21 are not previously tapped.
[63] Des joints d’étanchéité 44, notamment en silicone, sont prévus entre le cadre 93 et la paroi de fond 17, notamment sur tout le pourtour de la jonction entre ce cadre et la paroi de fond, notamment une partie en plastique de bordure de cette paroi de fond. [63] Seals 44, in particular of silicone, are provided between the frame 93 and the bottom wall 17, in particular around the entire periphery of the junction between this frame and the bottom wall, in particular a plastic part of border of this bottom wall.
[64] Des joints d’étanchéité 44, notamment en silicone, sont prévus entre le cadre et le couvercle 9, notamment sur tout le pourtour de la jonction entre ce cadre et le couvercle, notamment une partie en plastique de bordure de ce couvercle. [64] Seals 44, in particular made of silicone, are provided between the frame and the cover 9, in particular around the entire periphery of the junction between this frame and the cover, in particular a plastic part of the edge of this cover.
[65] Les plaques de refroidissement 40 sont maintenues par cette partie de bordure, notamment en plastique, de la paroi de fond. [65] The cooling plates 40 are held by this edge part, in particular plastic, of the bottom wall.
[66] Chaque plaque de refroidissement 40 comporte des canaux de circulation de fluide de refroidissement, notamment un réfrigérant. [66] Each cooling plate 40 comprises cooling fluid circulation channels, in particular a refrigerant.
[67] Ces canaux sont reliés à un circuit de refroidissement extérieur au compartiment, circuit qui comprend par exemple des échangeurs de chaleur et un compresseur pour la mise en circulation du fluide de refroidissement. [67] These channels are connected to a cooling circuit external to the compartment, which circuit comprises, for example, heat exchangers and a compressor for circulating the cooling fluid.
[68] Chaque plaque est formée par l’assemblage de deux demi-plaques, non nécessairement symétriques l’une de l’autre. [68] Each plate is formed by assembling two half-plates, not necessarily symmetrical to each other.
[69] Les cellules de batteries reposent sur les plaques de refroidissement. [69] The battery cells rest on the cooling plates.
[70] Le profilé extrudé 97 comporte un espace intérieur 99 issu de l’extrusion qui est fermé de manière étanche à l’eau, sans orifice ni perçage débouchant dans cet espace intérieur j [70] The extruded section 97 has an interior space 99 resulting from the extrusion which is closed in a watertight manner, without any orifice or drilling opening into this interior space j

Claims

REVENDICATIONS
[Revendication 1] Compartiment (2) pour un équipement (19) susceptible de dégager de la chaleur lors de son fonctionnement, notamment pour un dispositif de stockage d'énergie électrique pour véhicule automobile, ce compartiment comportant au moins un cadre (93) et une paroi de fond (17) fixée au cadre.[Claim 1] Compartment (2) for equipment (19) capable of giving off heat during its operation, in particular for an electrical energy storage device for a motor vehicle, this compartment comprising at least one frame (93) and a bottom wall (17) fixed to the frame.
[Revendication 2] Compartiment selon la revendication précédente, dans lequel le cadre est fixé à la paroi de fond (17) par un organe de fixation (20), le cadre comportant une cavité étanche agencée pour recevoir une portion de l’organe de fixation, une fois l’organe de fixation mis dans la position de fixation. [Claim 2] A compartment according to the preceding claim, in which the frame is fixed to the bottom wall (17) by a fixing member (20), the frame comprising a sealed cavity arranged to receive a portion of the fixing member , once the fixing member has been placed in the fixing position.
[Revendication 3] Compartiment selon la revendication précédente, dans lequel le cadre comporte au moins une région en profil extrudé, et la cavité étanche est formée sur le profil extrudé (97). [Claim 3] A compartment according to the preceding claim, wherein the frame has at least one extruded profile region, and the sealed cavity is formed on the extruded profile (97).
[Revendication 4] Compartiment selon l’une des revendications précédentes, dans lequel l’organe de fixation est une vis. [Claim 4] A compartment according to one of the preceding claims, in which the fixing member is a screw.
[Revendication 5] Compartiment selon l’une des revendications précédentes, dans lequel le compartiment comporte un passage pour recevoir l’organe de fixation (20), ce passage comprenant la cavité étanche et au moins un orifice dans la paroi de fond et/ou une partie en plastique solidaire de la paroi de fond. [Claim 5] Compartment according to one of the preceding claims, in which the compartment comprises a passage for receiving the fixing member (20), this passage comprising the sealed cavity and at least one orifice in the bottom wall and / or a plastic part integral with the bottom wall.
[Revendication 6] Compartiment selon l’une des revendications précédentes, dans lequel le compartiment reçoit des plaques de refroidissement (40) sur la paroi de fond. [Claim 6] A compartment according to one of the preceding claims, wherein the compartment receives cooling plates (40) on the bottom wall.
[Revendication 7] Compartiment selon l’une des revendications précédentes, dans lequel une bague anti-fluage (39) est interposée entre une tête de la vis et le rebord du passage de vis. [Claim 7] A compartment according to one of the preceding claims, in which an anti-creep ring (39) is interposed between a head of the screw and the rim of the screw passage.
[Revendication 8] Compartiment selon l’une des revendications précédentes, dans lequel des joints d’étanchéité (44), notamment en silicone, sont prévus entre le cadre et la paroi de fond, notamment sur tout le pourtour de la jonction entre ce cadre et la paroi de fond, notamment une partie en plastique de bordure de cette paroi de fond, ce joint ou ces joints étant distants des organes de fixation (20). [Claim 8] Compartment according to one of the preceding claims, in which seals (44), in particular made of silicone, are provided between the frame and the bottom wall, in particular over the entire periphery of the junction between this frame. and the bottom wall, in particular a plastic edge part of this bottom wall, this seal or these seals being spaced from the fixing members (20).
[Revendication 9] Compartiment selon l’une des revendications précédentes, dans lequel des joints d’étanchéité, notamment en silicone, sont prévus entre le cadre et le couvercle, notamment sur tout le pourtour de la jonction entre ce cadre et le couvercle, notamment une partie en plastique de bordure de ce couvercle, ce joint ou ces joints étant distants des organes de fixation (20). [Claim 9] Compartment according to one of the preceding claims, in which gaskets, in particular of silicone, are provided between the frame and the cover, in particular over the entire periphery of the junction between this frame and the cover, in particular a plastic part of the edge of this cover, this seal or these seals being distant from the fasteners (20).
[Revendication 10] Compartiment selon l’une des revendications précédentes, dans lequel le profilé extrudé comporte un espace intérieur (99) issu de l’extrusion qui est fermé de manière étanche à l’eau, sans orifice ni perçage débouchant dans cet espace intérieur. [Claim 10] Compartment according to one of the preceding claims, in which the extruded section comprises an interior space (99) resulting from the extrusion which is closed in a watertight manner, without any orifice or bore opening into this interior space. .
PCT/FR2021/050097 2020-02-17 2021-01-20 Compartment for equipment capable of releasing heat WO2021165593A1 (en)

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FR2001537A FR3107398A1 (en) 2020-02-17 2020-02-17 Compartment for equipment liable to give off heat
FRFR2001537 2020-02-17

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Citations (6)

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Publication number Priority date Publication date Assignee Title
US20110206967A1 (en) 2010-02-25 2011-08-25 Sanyo Electric Co., Ltd. Battery cooling/heating structure and battery module
WO2013056938A1 (en) 2011-10-18 2013-04-25 Bayerische Motoren Werke Aktiengesellschaft Apparatus for voltage supply
US20170176108A1 (en) 2014-06-27 2017-06-22 Dana Canada Corporation Multi-sided heat exchangers with compliant heat transfer surfaces
CN209183581U (en) * 2018-12-29 2019-07-30 宁德时代新能源科技股份有限公司 Battery case
CN209401688U (en) * 2019-01-11 2019-09-17 广州纵通汽车设计有限公司 A kind of battery box body and battery case
DE102018113728A1 (en) * 2018-06-08 2019-12-12 Benteler Automobiltechnik Gmbh Battery holder for a vehicle

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110206967A1 (en) 2010-02-25 2011-08-25 Sanyo Electric Co., Ltd. Battery cooling/heating structure and battery module
WO2013056938A1 (en) 2011-10-18 2013-04-25 Bayerische Motoren Werke Aktiengesellschaft Apparatus for voltage supply
US20170176108A1 (en) 2014-06-27 2017-06-22 Dana Canada Corporation Multi-sided heat exchangers with compliant heat transfer surfaces
DE102018113728A1 (en) * 2018-06-08 2019-12-12 Benteler Automobiltechnik Gmbh Battery holder for a vehicle
CN209183581U (en) * 2018-12-29 2019-07-30 宁德时代新能源科技股份有限公司 Battery case
CN209401688U (en) * 2019-01-11 2019-09-17 广州纵通汽车设计有限公司 A kind of battery box body and battery case

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