WO2013084940A1 - Bloc-batterie pour véhicule électrique - Google Patents

Bloc-batterie pour véhicule électrique Download PDF

Info

Publication number
WO2013084940A1
WO2013084940A1 PCT/JP2012/081510 JP2012081510W WO2013084940A1 WO 2013084940 A1 WO2013084940 A1 WO 2013084940A1 JP 2012081510 W JP2012081510 W JP 2012081510W WO 2013084940 A1 WO2013084940 A1 WO 2013084940A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery
cooling air
battery pack
tray
heat shield
Prior art date
Application number
PCT/JP2012/081510
Other languages
English (en)
Japanese (ja)
Inventor
遼 藤井
Original Assignee
本田技研工業株式会社
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 本田技研工業株式会社 filed Critical 本田技研工業株式会社
Priority to JP2013548270A priority Critical patent/JP5822281B2/ja
Publication of WO2013084940A1 publication Critical patent/WO2013084940A1/fr

Links

Images

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
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/64—Constructional details of batteries specially adapted for electric 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
    • H01M10/61—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
    • H01M10/658—Means for temperature control structurally associated with the cells by thermal insulation or shielding
    • 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
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
    • 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
    • H01M50/218—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
    • H01M50/22—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks
    • H01M50/227—Organic material
    • 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
    • H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
    • H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
    • 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
    • H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
    • 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

  • a battery case that houses a plurality of batteries and an electric device that electrically connects them is coupled to the battery and the battery tray that supports the electric device, and the battery tray and the battery tray.
  • the present invention relates to a battery pack for an electric vehicle that includes a battery cover that covers an upper part of the device and in which a heat shield member is interposed between the battery and the electric device that are adjacently disposed.
  • the battery case for storing the battery of the electric vehicle is configured by combining the lower tray member and the upper cover member, and the periphery of the electrical component supported on the bottom surface of the tray member is directed upward from the bottom surface of the tray member.
  • the one surrounded by the rising wall is known from Japanese Patent Application Laid-Open No. H10-228707.
  • the present invention has been made in view of the above-described circumstances, and an object of the present invention is to prevent the temperature of a battery from rising due to the heat of an electric device housed in a battery case.
  • a battery case that houses a plurality of batteries and an electrical device that electrically connects them includes a battery tray that supports the battery and the electrical device, and the battery.
  • a battery pack for an electric vehicle comprising a battery cover coupled to a tray and covering the battery and the electrical device, wherein a heat shield member is interposed between the battery and the electrical device disposed adjacent to each other.
  • a battery pack for an electric vehicle is proposed in which the heat shield member extends downward from the inner lower surface of the battery cover toward the battery tray.
  • cooling air introduced into the battery case flows along the outer upper surface of the battery cover, and the heat shield member is disposed on the inner side of the battery cover.
  • An electric vehicle characterized by comprising two vertical walls extending parallel to each other from the lower surface toward the battery tray, and a plurality of first ribs connecting the two vertical walls. Battery packs are proposed.
  • cooling air introduced into the battery case flows along the outer upper surface of the battery cover, and the outer upper surface of the battery case A groove-shaped recess located above the heat shield member is formed, and the recess is inclined downward from a single second rib provided in the center toward both ends.
  • a battery pack for an electric vehicle is proposed.
  • a cooling air inlet for introducing cooling air into the battery case is provided on the downstream side of the recess in the flow direction of the cooling air, and the recess
  • a battery pack for an electric vehicle is proposed, which has a fourth feature of tilting downward in a direction intersecting the flow direction of the cooling air.
  • a fifth feature is that a convex portion that protrudes above the concave portion is formed between the cooling air inlet and the concave portion.
  • a battery pack for an electric vehicle is proposed.
  • the battery cover and the heat shield member are integrally formed of a synthetic resin.
  • a battery pack is proposed.
  • junction board 28 of the embodiment corresponds to the electrical device of the present invention
  • the second convex portion 39c of the embodiment corresponds to the convex portion of the present invention
  • the battery module 42 of the embodiment corresponds to the battery of the present invention.
  • a battery case that houses a plurality of batteries and an electrical device that electrically connects them, a battery tray that supports the battery and the electrical device, and a battery tray coupled to the battery tray. And a battery cover that covers the upper part of the electric device.
  • the two vertical walls extending parallel to each other from the inner lower surface of the battery cover toward the battery tray, and the plurality of first ribs connecting the two vertical walls, Since the heat shield member is configured as described above, water contained in the cooling air flowing along the outer upper surface of the battery cover can be prevented while the rigidity of the battery cover is efficiently increased by the heat shield member.
  • a groove-like recess located above the heat shield member is formed on the outer upper surface of the battery case, and the recess is provided at both ends from a single second rib provided in the center. Since the cooling air introduced into the battery case flows along the outer upper surface of the battery cover, the water accumulated in the recess is quickly discharged by gravity. It is possible to prevent water from being sucked into the cooling air inlet together with the cooling air.
  • the cooling air suction port is provided downstream of the recess in the flow direction of the cooling air, so that the water accumulated in the recess is pushed away by the cooling air and is discharged from the cooling air suction port to the battery.
  • the concave portion is inclined downward in the direction intersecting the flow direction of the cooling air, so that the water in the concave portion is prevented from being washed away by the cooling air and promptly from the concave portion. Can be discharged.
  • the convex portion protruding above the concave portion is formed between the cooling air inlet and the concave portion, the water accumulated in the concave portion is pushed by the cooling air and cooled. It is possible to reliably prevent the air from being sucked into the battery case from the air suction port by blocking by the convex portion.
  • the battery cover and the heat shield member are integrally formed of synthetic resin, the battery cover and the heat shield member have the same thermal expansion coefficient, and the battery case is caused by the difference in the thermal expansion coefficient. It is possible to prevent the heat shield member from being deformed or the heat shield member from dropping from the battery case.
  • FIG. 1 is a side view of an electric vehicle.
  • FIG. 2 is a perspective view of the battery pack.
  • FIG. 3 is a view in the direction of arrows 3 in FIG.
  • First embodiment 4 is a cross-sectional view taken along line 4-4 of FIG.
  • First embodiment 5 is a cross-sectional view taken along line 5-5 of FIG. (First embodiment)
  • a body frame 11 of an electric vehicle includes a pair of left and right floor frames 12 and 12 extending in the longitudinal direction of the vehicle body, and left and right extending forward while bending upward from the front ends of the floor frames 12 and 12.
  • a pair of front side frames 13, 13, a pair of left and right rear side frames 14, 14 that extend rearward while bending upward from the rear ends of the floor frames 12, 12, and the floor frames 12, 12 are disposed on the outside in the vehicle width direction.
  • a pair of left and right side sills 15, 15, a pair of left and right front outriggers 16, 16 that connect the front ends of the side sills 15, 15 to the front ends of the floor frames 12, 12, and the rear ends of the side sills 15, 15 are the floor frames 12, 12.
  • a pair of left and right rear outriggers 17, 17 connected to the rear end, and a pair of left and right front side frames A front bumper beam 18 that connects the front end portions of 13, 13 in the vehicle width direction, a front cross member 19 that connects the front end portions of the pair of left and right floor frames 12, 12 in the vehicle width direction, and a pair of left and right floor frames 12 , 12 in the vehicle width direction between the middle portions in the front-rear direction, a rear cross member 21 in the middle direction in the front-rear direction of the pair of left and right rear side frames 14, 14, and a pair of left and right And rear bumper beams 22 for connecting the rear end portions of the rear side frames 14, 14 in the vehicle width direction.
  • a battery pack 31 serving as a power source of a motor / generator 23 that is a driving source for driving an electric vehicle is supported by being suspended from the lower surface side of the vehicle body frame 11. That is, a front suspension beam 32, a middle suspension beam 33 and a rear suspension beam 34 extending in the vehicle width direction are fixed to the lower surface of the battery pack 31, and both ends of the front suspension beam 32 are a pair of left and right floor frames. 12, both ends of the middle suspension beam 33 are fixed to the rear part of the pair of left and right floor frames 12, 12, and both ends of the rear suspension beam 34 are in front of the pair of left and right rear side frames 14, 14. It fixes to the lower end of the supporting members 35 and 35 which hang down from a part.
  • the vehicle width direction center portion of the front end of the battery pack 31 is supported by the front cross member 19 via the front bracket 36, and the vehicle width direction center portion of the rear end of the battery pack 31 is supported via the rear bracket 37. Supported by the cross member 21. Further, the battery pack 31 is supported on the lower surface of the middle cross member 20 at an intermediate position between the front hanging beam 32 and the middle hanging beam 33.
  • the battery pack 31 of the present embodiment is disposed outside the vehicle compartment 25.
  • the battery pack 31 includes a metal battery tray 38 and a synthetic resin battery cover 39 superimposed on the battery tray 38 from above.
  • the peripheral portion of the battery tray 38 and the peripheral portion of the battery cover 39 are fastened by a large number of bolts 41 with the seal member 40 (see FIG. 2) interposed therebetween, so that the interior of the battery pack 31 is basically sealed. Space.
  • On the upper surface of the battery tray 38 a plurality of battery modules 42 are stacked in which a plurality of battery cells are stacked in series.
  • the battery tray 38 and the battery cover 39 constitute the battery case 24 of the present invention.
  • the battery tray 38 is obtained by combining the upper plate 43 and the lower plate 44 (see FIG. 4), a cooling passage through which cooling air flows is formed between them, and a battery module that contacts the upper surface of the upper plate 43. Heat exchange is performed with the battery modules 42 to cool the battery modules 42 that generate heat by charging and discharging.
  • the cooling passage of the battery tray 38 includes an upstream cooling passage 45A extending forward from the rear in the vehicle width direction center of the battery tray 38, and a pair of left and right extending from the front end of the upstream cooling passage 45A to the left and right. It consists of downstream cooling passages 45B and 45B (see FIG. 2).
  • the cooling device 46 provided at the rear portion of the battery pack 31 includes a suction duct 48 disposed at the center in the vehicle width direction and a pair of left and right discharge ducts 49, 49 disposed on both sides of the suction duct 48 in the vehicle width direction.
  • the lower end of the suction duct 48 is connected to the upstream end (rear end) of the upstream side cooling passage 45A of the battery tray 38, and the lower ends of the left and right discharge ducts 49, 49 are the left and right downstream side cooling passages 45B, 45B of the battery tray 38. Connected to the downstream end (rear end).
  • a cooling air suction port 48 a for sucking air outside the battery pack 31 as cooling air is opened forward in the upper front surface of the suction duct 48.
  • cooling air discharge ports 49a and 49a for discharging the cooling air after heat exchange are provided in the cooling fans 47 and 47, respectively. It is formed so that it may face the outer periphery.
  • the left and right cooling air discharge ports 49a, 49a open rearward and outward in the vehicle width direction (see arrow A in FIGS. 2 and 3).
  • the cooling air sucked from the cooling air suction port 48a of the suction duct 48 is supplied into the battery tray 38, and the upstream cooling passage 45A and the downstream side inside the battery tray 38 are supplied. After exchanging heat with the battery modules 42 while flowing through the cooling passages 45B, 45B, it passes through the cooling fans 47, 47 of the discharge ducts 49, 49 and is discharged from the cooling air discharge ports 49a, 49a. .
  • the suction duct 48 of the cooling device 46 is provided behind the second convex portion 39c (see FIG. 4) protruding upward from the rear portion of the battery cover 39.
  • the lower member 52 is fixed to the upper surface of the lower member 52, and the upper member 53 is connected to cover the upper end opening of the lower member 52.
  • the cooling air intake port 48a opens forward on the front surface of the upper member 53. .
  • the cooling air sucked from the cooling air suction port 48a is supplied to the upstream cooling passage 45A of the battery tray 38 via the upstream suction passage 54 inside the upper member 53 and the downstream suction passage 55 inside the lower member 52. Is done.
  • the discharge ducts 49, 49 of the cooling device 46 are formed from upstream discharge passages 56, 56 that rise upward from the downstream ends of the left and right downstream cooling passages 45 B, 45 B of the battery tray 38 and from the upper ends of the upstream discharge passages 56, 56.
  • Downstream discharge passages 57, 57 connected to the inner side in the vehicle width direction are provided, and cooling fans 47, 47 are arranged immediately below the downstream discharge passages 57, 57.
  • the outer periphery of the cooling fans 47, 47 is surrounded by spiral fan casings 58, 58, and cooling air discharge ports 49a, 49a are opened at the outer ends thereof.
  • a first convex portion 39a, a concave portion 39b, and a second convex portion 39c are formed in order on the outer surface (upper surface) of the rear portion of the battery cover 39 from the front to the rear.
  • the battery support member 27 that supports the two battery modules 42 and 42 is formed in a hollow shape, and cooling air flows through the inside thereof.
  • a junction board 28 that supports electric components that generate heat, such as contactors and fuses.
  • the concave portion 39b located between the first and second convex portions 39a and 39c extends in a groove shape along the vehicle width direction, and a single second rib 39d extends in the front-rear direction at the center in the vehicle width direction. It is formed.
  • the concave portion 39b is the highest at the position of the second rib 39d, and is inclined so as to be lowered stepwise from there toward the outside in the vehicle width direction.
  • Two parallel vertical walls 39e, 39e extending in the vehicle width direction protrude downward (in the direction of the battery tray 38) on the inner surface (lower surface) located below the recess 39b of the battery cover 39.
  • the vertical walls 39e, 39e are connected by a plurality of (in the embodiment, five) first ribs 39f, which are separated in the vehicle width direction and extend in the front-rear direction. Therefore, under the recess 39b, six spaces that are opened only downward are defined by the ceiling surface of the battery cover 39, the two vertical walls 39e, 39e, and the five first ribs 39f.
  • the vertical walls 39e, 39e and the first ribs 39f ... constitute a heat shield member 39g.
  • the battery modules 42 accommodated in the battery case 24 of the battery pack 31 generate heat due to charging / discharging, they are cooled by the cooling air supplied to the inside of the battery tray 38 by the cooling device 46. That is, when the cooling fans 47 are driven, air between the upper surface of the battery case 24 and the lower surface of the floor panel 26 is sucked as cooling air from the cooling air inlet 48a of the suction duct 48, and the upstream suction passage of the suction duct 48. 54 and the downstream suction passage 55 to be supplied into the battery tray 38.
  • the cooling air supplied to the inside of the battery tray 38 flows from the rear to the front in the upstream cooling passage 45A provided at the center of the battery tray 38 in the vehicle width direction.
  • the battery modules 42 are cooled.
  • the cooling air that has flowed into the discharge ducts 49 and 49 from the rear ends of the left and right downstream cooling passages 45B and 45B passes through the upstream discharge passages 56 and 56, the downstream discharge passages 57 and 57, and the cooling fans 47 and 47, The air is discharged from the cooling air discharge ports 49a, 49a of the fan casings 58, 58.
  • the cooling air inlet 48a of the suction duct 48 is provided.
  • the cooling air discharge ports 49a and 49a of the discharge ducts 49 and 49 are formed at a relatively high position of the battery pack 31, and the cooling air suction port 48a and the cooling air discharge ports 49a and 49a are connected to the floor panel 26 and the battery case 24.
  • the water attached to the first and second convex portions 39a, 39c at a high position is low.
  • the second rib 39d located at the upper end of the recess 39b flows into the recess 39b on both sides in the vehicle width direction and is discharged.
  • the cooling air flows rearward along the upper surface of the battery cover 39 toward the cooling air suction port 48a.
  • the recess 39b extends in a direction perpendicular to the flow direction of the cooling air, the water in the recess 39b It is not pushed into the cooling air and sucked into the cooling air inlet 48a.
  • the second convex portion 39c is raised between the concave portion 39b and the cooling air suction port 48a, water is more reliably prevented from being pushed into the cooling air and sucked into the cooling air suction port 48a.
  • the junction board 28 housed in the second convex portion 39c of the battery cover 39 generates heat and the surrounding air is heated, the expanded and lightened high temperature air rises in the second convex portion 39c.
  • the high temperature air is not blocked by the heat shielding member 39g and flows into the first convex portion 39a, and the two battery modules 42 and 42 housed in the first convex portion 39a rise in temperature and deteriorate. Can be prevented.
  • the heat shield member 39g extends upward from the battery tray 38 side to the battery cover 39 side, and there is a gap between the upper end of the heat shield member 39g and the ceiling surface of the battery cover 39, the high-temperature air is second convex.
  • the battery modules 42 and 42 are heated by flowing from the inside of the portion 39c into the first convex portion 39a.
  • the heat shield member 39g independent from the recess 39b can be used between the upper portions of the first and second protrusions 39a, 39c.
  • the rigidity of the battery cover 39 can be increased by providing the heat shielding member 39g.
  • the space surrounded by the inner lower surface of the battery cover 39, the vertical walls 39e, 39e, and the first ribs 39f is opened downward, it is possible to prevent water from collecting in the space.
  • the heat shielding member 39g is integrally formed with the battery cover 39 made of synthetic resin, the battery cover 39 and the heat shielding member 39g have the same coefficient of thermal expansion. It is possible to prevent the member 39g from being deformed or the heat shield member 39g from dropping from the battery case 39.
  • the electric device of the present invention is not limited to the junction board 28 of the embodiment.
  • the heat shield member 39g is formed integrally with the battery cover 39.
  • the heat shield member 39g may be formed of a separate member and fixed to the battery cover 39.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Secondary Cells (AREA)
  • Battery Mounting, Suspending (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Abstract

L'invention concerne un bloc-batterie pour un véhicule électrique, dans lequel un boîtier de batterie (24) pour loger une pluralité de batteries (42) et un dispositif électrique (28) qui connecte électriquement les batteries est constitué : d'un support de batterie (38) qui supporte les batteries (42) et le dispositif électrique (28) ; et d'un couvercle de batterie (39) qui est uni au support de batterie (38) et recouvre le côté supérieur des batteries (42) et le dispositif électrique (28). Un élément de protection à la chaleur (39g) disposé entre le dispositif électrique (28) et la batterie (42) de manière adjacente à celle-ci s'étend vers le bas en direction du support de batterie (38) depuis la surface inférieure interne du couvercle de batterie (39). Ainsi, l'élément de protection à la chaleur (39g) bloque de manière efficace l'air qui s'est élevé vers le haut à l'intérieur du couvercle de batterie (39) en étant chauffé par le dispositif électrique (28), qui atteint des hautes températures, et la mise en contact de l'air chauffé avec les batteries (42) et l'élévation des températures de celles-ci peuvent être évitées.
PCT/JP2012/081510 2011-12-09 2012-12-05 Bloc-batterie pour véhicule électrique WO2013084940A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2013548270A JP5822281B2 (ja) 2011-12-09 2012-12-05 電動車両用バッテリパック

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011269837 2011-12-09
JP2011-269837 2011-12-09

Publications (1)

Publication Number Publication Date
WO2013084940A1 true WO2013084940A1 (fr) 2013-06-13

Family

ID=48574298

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2012/081510 WO2013084940A1 (fr) 2011-12-09 2012-12-05 Bloc-batterie pour véhicule électrique

Country Status (2)

Country Link
JP (1) JP5822281B2 (fr)
WO (1) WO2013084940A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015039905A1 (fr) * 2013-09-18 2015-03-26 Robert Bosch Gmbh Dispositif de régulation de la température d'un système d'alimentation électrique
WO2016035537A1 (fr) * 2014-09-05 2016-03-10 株式会社 豊田自動織機 Bloc batterie
WO2016088476A1 (fr) * 2014-12-04 2016-06-09 本田技研工業株式会社 Dispositif d'alimentation électrique de véhicule
US10053153B2 (en) * 2016-02-04 2018-08-21 Honda Motor Co., Ltd. Four wheel vehicle
JPWO2020044717A1 (ja) * 2018-08-31 2021-09-09 本田技研工業株式会社 電動車両

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH112422A (ja) * 1997-06-11 1999-01-06 Fujitsu General Ltd 空気調和機
JPH1167178A (ja) * 1997-08-25 1999-03-09 Nissan Motor Co Ltd 電気自動車のバッテリ固定構造及びこの固定構造によるバッテリ空調方法
JPH11325326A (ja) * 1998-05-15 1999-11-26 Minoru Tanaka 複合管の製造方法
JP2009087646A (ja) * 2007-09-28 2009-04-23 Mitsubishi Motors Corp 電気自動車用バッテリユニット

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3509517B2 (ja) * 1997-12-18 2004-03-22 本田技研工業株式会社 電気自動車におけるバッテリおよび電気部品の冷却構造

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH112422A (ja) * 1997-06-11 1999-01-06 Fujitsu General Ltd 空気調和機
JPH1167178A (ja) * 1997-08-25 1999-03-09 Nissan Motor Co Ltd 電気自動車のバッテリ固定構造及びこの固定構造によるバッテリ空調方法
JPH11325326A (ja) * 1998-05-15 1999-11-26 Minoru Tanaka 複合管の製造方法
JP2009087646A (ja) * 2007-09-28 2009-04-23 Mitsubishi Motors Corp 電気自動車用バッテリユニット

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015039905A1 (fr) * 2013-09-18 2015-03-26 Robert Bosch Gmbh Dispositif de régulation de la température d'un système d'alimentation électrique
CN105556739A (zh) * 2013-09-18 2016-05-04 罗伯特·博世有限公司 用于调节能量系统的温度的设备
WO2016035537A1 (fr) * 2014-09-05 2016-03-10 株式会社 豊田自動織機 Bloc batterie
WO2016088476A1 (fr) * 2014-12-04 2016-06-09 本田技研工業株式会社 Dispositif d'alimentation électrique de véhicule
CN107004926A (zh) * 2014-12-04 2017-08-01 本田技研工业株式会社 车辆用电源装置
JPWO2016088476A1 (ja) * 2014-12-04 2017-10-12 本田技研工業株式会社 車両用電源装置
US10476117B2 (en) 2014-12-04 2019-11-12 Honda Motor Co., Ltd. Vehicle power supply system
CN107004926B (zh) * 2014-12-04 2020-04-28 本田技研工业株式会社 车辆用电源装置
US10053153B2 (en) * 2016-02-04 2018-08-21 Honda Motor Co., Ltd. Four wheel vehicle
JPWO2020044717A1 (ja) * 2018-08-31 2021-09-09 本田技研工業株式会社 電動車両
JP7012860B2 (ja) 2018-08-31 2022-02-01 本田技研工業株式会社 電動車両

Also Published As

Publication number Publication date
JPWO2013084940A1 (ja) 2015-04-27
JP5822281B2 (ja) 2015-11-24

Similar Documents

Publication Publication Date Title
JP5277362B1 (ja) バッテリパックの車載構造
EP3073546B1 (fr) Bloc-batteries
JP6531268B2 (ja) 車両用バッテリパック
JP6044244B2 (ja) 車両用バッテリパック
JP5503087B2 (ja) 電動車両用バッテリパックおよびバッテリパックの搭載構造
JP5825694B2 (ja) バッテリパックの車載構造
JP4919102B2 (ja) 車両用電源ユニットの冷却構造
EP3073547A1 (fr) Bloc-batteries
JP5997933B2 (ja) 高圧電装部品を備える電気車両
WO2013073463A1 (fr) Bloc batterie pour véhicule électrique
JP5822281B2 (ja) 電動車両用バッテリパック
KR20120136923A (ko) 전기자동차의 배터리 냉각구조
US20130122337A1 (en) Electric vehicle battery pack
US20130122338A1 (en) Electric vehicle battery pack
JPWO2009098953A1 (ja) 車両用電源装置
JP5293973B2 (ja) 車両用バッテリ冷却構造
JP2022540234A (ja) 自動車用アンダーボディ
JP6163477B2 (ja) 電力制御ユニット及び電気デバイス
WO2013084939A1 (fr) Bloc-batterie pour véhicule électrique
JP2022103534A (ja) バッテリパックの冷却構造
JP5009096B2 (ja) 電気自動車
JP6830525B2 (ja) 電池パック
JP6344250B2 (ja) 電動車両
JP6879815B2 (ja) 車載用バッテリー
JP2017165222A (ja) 車両、バッテリユニット、及び車両のバッテリ搭載方法

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12855096

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2013548270

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 12855096

Country of ref document: EP

Kind code of ref document: A1