WO2007007503A1 - Structure of hybrid vehicle - Google Patents

Structure of hybrid vehicle Download PDF

Info

Publication number
WO2007007503A1
WO2007007503A1 PCT/JP2006/311893 JP2006311893W WO2007007503A1 WO 2007007503 A1 WO2007007503 A1 WO 2007007503A1 JP 2006311893 W JP2006311893 W JP 2006311893W WO 2007007503 A1 WO2007007503 A1 WO 2007007503A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery
exhaust
battery cells
intake chamber
battery pack
Prior art date
Application number
PCT/JP2006/311893
Other languages
French (fr)
Inventor
Ko Watanabe
Toshiyuki Hosokawa
Original Assignee
Toyota Jidosha Kabushiki Kaisha
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 Toyota Jidosha Kabushiki Kaisha filed Critical Toyota Jidosha Kabushiki Kaisha
Priority to EP06747295A priority Critical patent/EP1901935B1/en
Priority to US11/884,929 priority patent/US7823672B2/en
Publication of WO2007007503A1 publication Critical patent/WO2007007503A1/en

Links

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
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • 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
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
    • B60H1/00278—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit for the battery
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
    • B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
    • B60H1/004—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for vehicles having a combustion engine and electric drive means, e.g. hybrid electric vehicles
    • 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
    • B60K11/00—Arrangement in connection with cooling of propulsion units
    • 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
    • B60K13/00—Arrangement in connection with combustion air intake or gas exhaust of propulsion units
    • 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
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/28—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the electric energy storing means, e.g. batteries or capacitors
    • 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
    • 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
    • B60L50/66—Arrangements of batteries
    • 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
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
    • B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/105—General auxiliary catalysts, e.g. upstream or downstream of the main catalyst
    • F01N3/106—Auxiliary oxidation catalysts
    • 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
    • H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
    • H01M10/647—Prismatic or flat cells, e.g. pouch cells
    • 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
    • H01M10/6557—Solid parts with flow channel passages or pipes for heat exchange arranged between the cells
    • 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
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6561—Gases
    • H01M10/6563—Gases with forced flow, e.g. by blowers
    • 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
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6561—Gases
    • H01M10/6566—Means within the gas flow to guide the flow around one or more cells, e.g. manifolds, baffles or other barriers
    • 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
    • H01M50/249—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
    • B60H2001/003—Component temperature regulation using an air flow
    • 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
    • B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
    • B60K2001/005—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric storage means
    • 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
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/54—Drive Train control parameters related to batteries
    • B60L2240/545—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2340/00—Dimensional characteristics of the exhaust system, e.g. length, diameter or volume of the apparatus; Spatial arrangements of exhaust apparatuses
    • F01N2340/04—Dimensional characteristics of the exhaust system, e.g. length, diameter or volume of the apparatus; Spatial arrangements of exhaust apparatuses characterised by the arrangement of an exhaust pipe, manifold or apparatus in relation to vehicle frame or particular vehicle parts
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • 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
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

Definitions

  • the present invention generally relates to a structure of a hybrid vehicle haying an internal combustion engine and a motor as its motive power source, and more particularly, to a structure of a hybrid vehicle including a battery pack of a side-flow type wherein cooling air flows in the horizontal direction.
  • Patent Document 1 discloses a vehicle lower body structure of a hybrid vehicle having an object of lowering the floor while reducing the length in the longitudinal direction of the vehicle.
  • a battery case storing a battery is arranged below a seat in the vehicle room.
  • An exhaust pipe attached to an exhaust manifold of an engine extends below a floor panel toward an exhaust port situated at the rear of the vehicle. The exhaust pipe extends in a position not overlapping with the battery when the vehicle is seen two-dimensionally.
  • Patent Document 2 discloses a loading structure for an exhaust pipe, which has an object of suppressing a local temperature increase of a battery caused by heat of an exhaust pipe. Similarly to the hybrid vehicle disclosed in Patent Document 1, also in Patent Document 2, the battery is arranged so that it is not positioned immediately above the exhaust pipe.
  • Patent Document 3 discloses an air-intaking and exhausting apparatus in an air cooling system having an object of efficiently cooling a power drive unit and a down converter without using an air conditioning apparatus in the vehicle.
  • Patent Document 4 discloses a battery mounting structure for an electric vehicle having an object of mounting a battery on one side below a vehicle floor without impairing support stability.
  • a battery pack mounted on a hybrid vehicle is classified by the direction of the flow of cooling air into a side-flow type wherein the cooling air is caused to flow in the horizontal direction to cool the secondary battery, and an up-flow type or a down-flow type wherein the cooling air is caused to flow in the vertical direction to cool the secondary battery.
  • an intake chamber supplying cooling air toward the secondary battery and an exhaust chamber exhausting the cooling air from the secondary battery are arranged on opposite sides of the secondary battery.
  • the battery pack is greatly affected by heat from under the floor panel when the battery pack is arranged on the floor panel of the vehicle. This may impair the efficiency of cooling the secondary battery.
  • the exhaust pipe is arranged so that it does not overlap with the battery when seen two- dimensionally.
  • the exhaust pipe must be detoured around the battery case, and therefore the pipe is greatly bent along its route.
  • exhaust efficiency may be reduced and the engine performance may be impaired.
  • a structure of a hybrid vehicle is a structure of a hybrid vehicle having an internal combustion engine and a motor.
  • the structure of a hybrid vehicle includes: a battery pack arranged on a vehicle floor; and an exhaust passage having an exhaust port and extending from the internal combustion engine, passing below the vehicle floor, to the exhaust port.
  • the battery pack has a secondary battery constituted by a plurality of battery cells stacked in a vehicle traveling direction for supplying electric power to the motor, and an intake chamber provided adjacent to the secondary battery in a substantially horizontal .
  • the exhaust passage is provided so that it passes immediately below the battery pack and passes a position displaced from a position immediately below the intake chamber.
  • the plurality of battery cells include a first battery cell region positioned relatively near to the intake chamber, and a second battery cell region positioned relatively far from the intake chamber.
  • the exhaust passage is provided so that it passes immediately below the first battery cell region.
  • a structure of a hybrid vehicle is a structure of a hybrid vehicle having an internal combustion engine and a motor.
  • the structure of a hybrid vehicle includes: a battery pack arranged on a vehicle floor; and an exhaust passage having an exhaust port and extending from the internal combustion engine, passing below the vehicle floor, to the exhaust port; and a catalyst portion provided on a route of the exhaust passage for purifying exhaust gas.
  • the battery pack has a secondary battery constituted by a plurality of battery cells stacked in a vehicle width direction for supplying electric power to the motor, and an intake chamber provided adjacent to the secondary battery in a substantially horizontal direction perpendicular to the direction along which the plurality of battery cells are stacked for supplying cooling air between each of the plurality of battery cells.
  • the exhaust passage is provided so that it passes immediately below the battery pack.
  • the catalyst portion is arranged at a position displaced from a position immediately below the intake chamber.
  • the catalyst portion arranged at the exhaust passage is arranged at a position displaced from a position immediately below the intake chamber. Accordingly, the effect of heat generated at the catalyst portion due to catalytic reaction on the cooling air in the intake chamber can be suppressed to be small, and thus an increase in the temperature of the cooling air before being supplied between each of the plurality of battery cells can be suppressed. Thus, a significant reduction in the efficiency of cooling the secondary battery can be prevented.
  • a structure of a hybrid vehicle is a structure of a hybrid vehicle having an internal combustion engine and a motor.
  • the structure of a hybrid vehicle includes: a battery pack that has a secondary battery supplying electric power to the motor and that is arranged on a vehicle floor; an exhaust passage having an exhaust port and extending from the internal combustion engine, passing below the vehicle floor, to the exhaust port; and a catalyst portion provided on a route of the exhaust passage for purifying exhaust gas.
  • the exhaust passage is provided so that it passes immediately below the battery pack.
  • the catalyst portion is arranged at a position displaced from a position immediately below the battery pack.
  • the catalyst portion provided at the exhaust passage is arranged at a position displaced from a position immediately below the battery pack. Accordingly, an increase in the temperature of the cooling air flowing in the battery pack due to the heat generated at the catalyst portion by catalytic reaction can be suppressed. Thus, a significant reduction in the efficiency of cooling the secondary battery can be prevented.
  • the secondary battery is constituted by a plurality of battery cells stacked in a vehicle traveling direction.
  • the battery pack further has an intake chamber provided adjacent to the secondary battery in a substantially horizontal direction perpendicular to the direction along which the plurality of battery cells are stacked for supplying cooling air between each of the plurality of battery cells.
  • the plurality of battery cells includes a first battery cell region positioned relatively near to the intake chamber, and a second battery cell region positioned relatively far from the intake chamber.
  • the exhaust passage is provided so that it passes immediately below the first battery cell region.
  • a structure of a hybrid vehicle is a structure of a hybrid vehicle having an internal combustion engine and a motor.
  • the structure of a hybrid vehicle includes: a battery pack arranged on a vehicle floor; and an exhaust passage having an exhaust port and extending from the internal combustion engine, passing below the vehicle floor, to the exhaust port.
  • the battery pack has a secondary battery constituted by a plurality of battery cells stacked in a vehicle width direction for supplying electric power to the motor, an intake chamber provided adjacent to the secondary battery in a substantially horizontal direction perpendicular to the direction along which the plurality of battery cells are stacked for supplying cooling air between each of the plurality of battery cells, and an exhaust chamber arranged opposite to the intake chamber relative to the secondary battery for exhausting the cooling air from between each of the plurality of battery cells.
  • the intake chamber and the exhaust chamber each include one end and the other end separated in a direction along which the plurality of battery cells are stacked, and extend from one end to the other end.
  • the exhaust passage When the cooling air is introduced from one end of the intake chamber and exhausted from the other end of the exhaust chamber, the exhaust passage is provided to pass immediately below the battery pack at a position nearer to the other end than to one end.
  • the exhaust passage When the cooling air is introduced from one end of the intake chamber and exhausted from one end of the exhaust chamber, the exhaust passage is provided to pass immediately below the battery pack at a position nearer to one end than to the other end.
  • the structure of a hybrid vehicle thus configured, it is not necessary to detour around the battery pack when routing the exhaust passage from the internal combustion engine to the exhaust port. Accordingly, excessively bent route of the exhaust passage can be avoided, and the performance of the internal combustion engine can be prevented from being impaired.
  • the flow rate of the cooling air flowing between each of the battery cells is greater in a position nearer to the other end than to one end, and a temperature distribution of the battery cells exists, in which the temperature is low in the position nearer to the other end and high in the position nearer to one end.
  • the flow rate of the cooling air flowing between each of the battery cells is greater in a position nearer to one end than to the other end, and a temperature distribution of the battery cells exists, in which the temperature is low in the position nearer to one end and high in the position nearer to the other end.
  • the exhaust passage extends in a position near to the other end and to one end in respective cases, and therefore the temperature distribution of the battery cells can be made small by the heat of the exhaust passage.
  • a structure of a hybrid vehicle that suppresses reduction -in the efficiency of cooling a secondary battery without placing a great limit on routing of an exhaust pipe can be provided.
  • Fig. 1 is a side view of a hybrid vehicle in a first embodiment of the present invention.
  • Fig. 2 is a plan view of the hybrid vehicle shown in Fig. 1.
  • Fig. 3 is a perspective view showing a battery pack shown in Fig. 1.
  • Fig. 4 is a cross-sectional view of a battery pack along line IV-IV in Fig. 2.
  • Fig. 5 is a cross-sectional view of a modification of a battery pack wherein an exhaust pipe extends immediately below a battery cell arranged downstream of a cooling air flow
  • Fig. 6 is a cross-sectional view of another modification of a battery pack wherein an exhaust pipe extends immediately below a battery cell arranged downstream of a cooling air flow.
  • Fig. 7 is a plan view of a hybrid vehicle in a second embodiment of the present invention.
  • Fig. 8 is a cross-sectional view of a battery pack along line VIII-VIII in Fig. 7.
  • Fig. 9 is a plan view of a hybrid vehicle in a third embodiment of the present invention.
  • Fig. 10 is a plan view of a modification of the hybrid vehicle shown in Fig. 9.
  • Fig. 11 is a plan view partially showing a hybrid vehicle in a fourth embodiment of the present invention.
  • Fig. 12 is a plan view showing a modification of the battery pack shown in Fig. 11.
  • Fig. 1 is a side view of a hybrid vehicle in a first embodiment of the present invention.
  • Fig. 2 is a plan view of the hybrid vehicle shown in Fig. 1.
  • a hybrid vehicle 10 has as its source of motive power a gasoline engine 14 (hereinafter simply referred to as engine 14) and a motor electrically supplied from a secondary battery (battery) 32 that can be charged or discharged.
  • engine 14 a gasoline engine 14
  • battery 32 secondary battery
  • Engine 14 is stored in an engine room 16 formed on a front side of the vehicle.
  • an exhaust pipe 21 is connected to an exhaust manifold of engine 14.
  • Exhaust pipe 21 extends from inside of engine room 16, passing below a floor panel 15, toward the rear of the vehicle.
  • Floor panel 15 constitutes the floor board of the vehicle, and extends facing to the ground.
  • Exhaust pipe 21 has, at its tip extending toward the rear of the vehicle, an exhaust port 24 opening toward the outside of the vehicle. The exhaust gas from engine 14 is guided through exhaust pipe 21 to the rear of the vehicle, and exhausted outside the vehicle from exhaust port 24.
  • Three-way catalyst 22 is a catalyst that simultaneously changes CO, HC (hydrocarbon) and NOx (nitrogen oxides) to CO 2 , H 2 O and N 2 , respectively, and configured by forming, on a monolith base, a coat layer containing an alumina support and noble metal such as platinum and rhodium, for example.
  • a driver's seat 11 and a front passenger's seat 12 are provided aligned in the vehicle width direction.
  • the vehicle width direction is perpendicular to the vehicle traveling direction.
  • a center console 13 made of resin is provided between driver's seat 11 and front passenger's seat 12.
  • Center console 13 is provided, for example, to sophisticate the interior, to provide a cup holder for placing a drink container, and to provide a depression for placing small articles.
  • Battery pack 31 storing secondary battery 32 is provided on floor panel 15 and for example inside center console 13. Battery pack 31 is arranged between engine 14 and exhaust port 24 in the vehicle traveling direction, and in the present embodiment, arranged overlapping with a line connecting engine 14 and exhaust port 24. When seen from above the vehicle, battery pack 31 is arranged to be positioned between engine 14 and exhaust port 24. Battery pack 31 and exhaust pipe 21 are provided next to each other with floor panel 15 interposed between them.
  • Fig. 3 is a perspective view showing a battery pack shown in Fig. 1.
  • a case body that is an outer package of the battery pack is drawn as transparent.
  • secondary battery 32 stored in battery pack 31 is constituted by a plurality of battery cells 33.
  • pairs of battery cells 33m and 33n aligned in parallel are stacked in the vehicle traveling direction to constitute secondary battery 32.
  • a plurality of battery cells 33 are electrically connected in series with each other by a not-shown bus bar.
  • Battery cell 33 is formed by a lithium ion battery. It is noted that battery cell 33 is not particularly limited so long as it is a secondary battery that can be charged or discharged, and it may be a nickel-hydride metal battery, for example.
  • the pairs of battery cells 33m and 33n are retained by resin frames 43 formed by a resin material such as polypropylene, for example.
  • Resin frames 43 are aligned in a plurality of numbers in the vehicle traveling direction while retaining battery cells 33m and 33n.
  • end plates 40 and 41 are arranged on opposite sides of resin frames 43 arranged in a plurality of numbers. End plate 40 and end plate 41 are bound to each other by a binding band 42 with a plurality of resin frames 43 being interposed between them.
  • an intake chamber 34 and an exhaust chamber 35 are formed, positioned on the opposite sides of secondary battery 32.
  • Intake chamber 34 and exhaust chamber 35 are adjacent to secondary battery 32 in the horizontal direction perpendicular to the vehicle traveling direction along which battery cells 33 are stacked, that is, in the vehicle width direction.
  • a plurality of battery cells 33m stacked in the vehicle traveling direction are provided adjacent to intake chamber 34, and a plurality of battery cells 33n stacked in the vehicle traveling direction are provided adjacent to exhaust chamber 35.
  • a cooling air passage 44 passing between battery cells 33 that are adjacent to each other in the vehicle traveling direction is formed. Cooling air passage 44 communicates with intake chamber 34 and exhaust chamber 35 at the opposite sides of secondary battery 32.
  • the cooling air introduced from the room into battery pack 31 flows from intake chamber 34 into cooling air passage 44.
  • the cooling air first cools battery cells 33m and thereafter cools battery cells 33n while flowing through cooling air passage 44.
  • the cooling air which is increased in the temperature by heat exchange with battery cells 33 is exhausted from cooling air passage 44 to exhaust chamber 35.
  • Fig. 4 is a cross-sectional view of the battery pack along line IV-IV in Fig. 2.
  • exhaust pipe 21 extends in a position immediately below battery pack 31 and in a position displaced from a position immediately below intake chamber 34, that is, in a position overlapping with battery pack 31 excluding intake chamber 34 when hybrid vehicle 10 is seen two-dimensionally.
  • Exhaust pipe 21 extends so as to overlap with battery pack 31 and not with intake chamber when seen from above the vehicle.
  • Exhaust pipe 21 extends in the vehicle traveling direction, being separated from intake chamber 34 and overlapping with batteVy pack 31 when seen from above the vehicle.
  • Exhaust pipe 21 is provided such that the heat quantity transferred from exhaust pipe 21 is relatively small in intake chamber 34 and relatively great in battery pack 31 excluding intake chamber 34.
  • Exhaust pipe 21 in the present embodiment extends to cross both of end plates 40 and 41 binding a plurality of battery cells 33 from the opposite sides, when seen from above the vehicle.
  • Exhaust pipe 21 extends positioned in a region 102 spreading immediately below battery cell 33m, a region 103 spreading immediately below battery cell 33n, or a region 104 spreading immediately below exhaust chamber 35.
  • the region through which exhaust pipe 21 extends may be a plurality of those regions.
  • exhaust pipe 21 extends through region 104 spreading immediately below exhaust chamber 35. Further, when exhaust pipe 21 extends along the vehicle traveling direction that is the stacking direction of battery cells 33 in region 102 or 103 spreading immediately below battery cells 33, a difference in the temperature between each of battery cells 33 aligning in the vehicle traveling direction due to the effect of heat of exhaust pipe 21 can be avoided.
  • Fig. 5 is a cross-sectional view of a modification of the battery pack wherein the exhaust pipe extends immediately below the battery cell arranged downstream of the cooling air flow.
  • bypass flow channel 51 that directly connects the cooling air passage extending between each of a plurality of battery cells 33m and exhaust chamber 35 may be formed in resin frame 43.
  • Bypass flow channel 51 extends between battery cell 33n and exhaust pipe 21.
  • Bypass flow channel 51 guides the cooling air having passed between each of a plurality of battery cells 33m to exhaust chamber 35, without passing between each of a plurality of battery cells 33n.
  • Fig. 6 is a cross-sectional view of another modification of the battery pack wherein the exhaust pipe extends immediately below the battery cell arranged downstream of the cooling air flow.
  • a bypass flow channel 52 that directly connects intake chamber 34 and the cooling air passage extending between each of a plurality of battery cells 33n may be formed in resin frame 43.
  • Bypass flow channel 52 extends along the opposite side of floor panel 15 relative to battery cells 33n, and formed in a position hardly affected by the heat of exhaust pipe 21.
  • Bypass flow channel 52 guides the cooling air passing in intake chamber 34 to between each of a plurality of battery cells 33n, without passing between each of a plurality of battery cells 33m.
  • bypass flow channel 52 the cooling air not conducting heat exchange between battery cells 33m is used for the heat exchange with battery cells 33n.
  • the flow rate of the cooling air flowing between each of battery cells 33n can be made the same as or greater than the flow rate of the cooling air flowing between each of battery cells 33m, and thus the temperature of battery cell 33n can be set even lower.
  • the difference in the temperature between battery cells 33m and battery cells 33n can be made further smaller.
  • the structure of hybrid vehicle 10 as a hybrid vehicle in the first embodiment of the present invention includes battery pack 31 arranged on floor panel 15 as a vehicle floor, and exhaust pipe 21 as an exhaust passage having exhaust port 24 and extending from engine 14 as an internal combustion engine passing below floor panel 15 to exhaust port 24.
  • Battery pack 31 has secondary battery 32 constituted by a plurality of battery cells 33 stacked in the vehicle traveling direction for supplying electric power to the motor, and intake chamber 34 provided adjacent to secondary battery 32 in a substantially horizontal direction perpendicular to the direction in which a plurality of battery cells 33 are stacked for supplying cooling air between each of a plurality of battery cells 33.
  • Exhaust pipe 21 is provided so that it passes immediately below battery pack 31 and passes a position displaced from a position immediately below intake chamber 34.
  • battery pack 31 is provided inside center console 13 in the present embodiment, the present invention is not limited thereto and battery pack 31 may be provided for example under driver's seat 11 or front passenger's seat 12, under rear sheet 18, or in a luggage room.
  • Engine 14 is not limited to a gasoline engine, and it may be a diesel engine.
  • Fig. 7 ' is a plan view of a hybrid vehicle in a second embodiment of the present invention.
  • Fig. 8 is a cross-sectional view of a battery pack along line VIII-VIII in Fig. 7.
  • pairs of battery cells 33m and 33n aligned in parallel are stacked in the vehicle width direction to constitute secondary battery 32.
  • Intake chamber 34 and exhaust chamber 35 are adjacent to secondary battery 32 in a horizontal direction perpendicular to the vehicle width direction along which battery cells 33 are stacked, that is, in the vehicle traveling direction.
  • Exhaust pipe 21 extends immediately below battery pack 31, and extends through region 101 spreading immediately below intake chamber 34, regions 102 and 103 spreading immediately below battery cells 33m and 33n, respectively, and region 104 spreading immediately below exhaust chamber 35 in this order.
  • a three-way catalyst 22 is provided at a position displaced from a position immediately below intake chamber 34, that is, at a position not overlapping with intake chamber 34 when hybrid vehicle 10 is seen two-dimensionally.
  • Three-way catalyst 22 is provided at region 102, 103, or 104 or at regions 100 and 105 being displaced from a position immediately below battery pack 31.
  • the region where three-way catalyst 22 is arranged may be a plurality of these regions.
  • three-way catalyst 22 an apparatus purifying exhaust gas by catalytic reaction such as oxidation catalyst, lean NOx catalyst, DPF (diesel particulate filter) with oxidation catalyst, or HC adsorption purify catalyst may be provided.
  • three-way catalyst 22 may be a catalyst provided immediately downstream of the exhaust manifold so that it attains the active temperature in the early stage when the engine is started.
  • three-way catalyst 22 As catalytic reaction occurs when exhaust gas passes through three-way catalyst 22, the temperature of three-way catalyst 22 increases. In the present embodiment, since three-way catalyst 22 is arranged in region 100, 102, 104, 104, or 105 that is displaced from region 101 spreading immediately below intake chamber 34, a significant reduction in the efficiency of cooling secondary battery 32 affected by heat generated in three-way catalyst 22 is suppressed.
  • the structure of hybrid vehicle in the second embodiment of the present invention includes battery pack 31 arranged on floor panel 15, exhaust pipe 21 having exhaust port 24 and extending from engine 14 and passing below floor panel 15 to exhaust port 24, and three-way catalyst 22 provided on the route of exhaust pipe 21 as a catalyst portion purifying exhaust gas.
  • Battery pack 31 has secondary battery 32 constituted by a plurality of battery cells 33 stacked in the vehicle width direction for supplying electric power to the motor, and intake chamber 34 provided adjacent to secondary battery 32 in a substantially horizontal direction perpendicular to the direction along which a plurality of battery cells 33 are stacked for supplying cooling air between each of a plurality of battery cells 33.
  • Exhaust pipe 21 is provided so that it passes immediately below battery pack 31.
  • Three-way catalyst 22 is arranged at a position displaced from a position immediately below intake chamber 34.
  • Fig. 9 is a plan view of a hybrid vehicle in a third embodiment of the present invention.
  • battery cells 33 are stacked in the vehicle traveling direction to constitute secondary battery 32.
  • Intake chamber 34 and exhaust chamber 35 are adjacent to secondary battery 32 in a horizontal direction perpendicular to the vehicle traveling direction along which battery cells 33 are stacked, that is, in the vehicle width direction.
  • Exhaust pipe 21 extends immediately below battery pack 31, and three-way catalyst 22 is arranged at a position displaced from a position immediately below battery pack 31.
  • exhaust pipe 21 extends at a position overlapping with battery pack 31 when hybrid vehicle 10 is seen two- dimensionally, and three-way catalyst 22 is arranged at a position not overlapping with battery pack 31.
  • Fig. 10 is a plan view of a modification of the hybrid vehicle shown in Fig. 9.
  • exhaust pipe 21 is provided to extend immediately below battery pack 31, and three-way catalyst 22 is arranged at a position being displaced from a position immediately below battery pack 31.
  • the hybrid vehicle in the third embodiment of the present invention includes battery pack 31 having secondary battery 32 supplying electric power to a motor and arranged on floor panel 15, exhaust pipe 21 having exhaust port 24 and extending from engine 14 and passing below floor panel 15 to exhaust port 24, and three-way catalyst 22 provided on the route of exhaust pipe 21 for purifying exhaust gas.
  • the exhaust pipe 21 is provided to pass immediately below battery pack 31.
  • Three-way catalyst 22 is arranged at a position displaced from a position immediately below battery pack 31.
  • Fig. 11 is a plan view partially showing a hybrid vehicle in a fourth embodiment of the present invention.
  • description of the structure being the same as in the hybrid vehicle in the first to third embodiments will not be repeated.
  • battery cells 33 are stacked in the vehicle width direction to constitute secondary battery 32.
  • Intake chamber 34 and exhaust chamber 35 are adjacent to secondary battery 32 in a horizontal direction perpendicular to the vehicle width direction along which battery cells 33 are stacked, that is, in the vehicle traveling direction.
  • Intake chamber 34 and exhaust chamber 35 each have one end 55 and the other end 56 separated in the vehicle width direction, and they extend in parallel to each other from one end 55 to the other end 56.
  • the cooling air is introduced from one end 55 of intake chamber 34, and makes a turn in battery pack 31 and exhausted from one end 55 of exhaust chamber 35 ,
  • Exhaust pipe 21 extends immediately below battery pack 31 nearer to one end 55 than to the other end 56.
  • the position at which cooling air is introduced into intake chamber 34 and the position at which the cooling air is exhausted from exhaust chamber 35 are provided on the same side of the extending direction of intake chamber 34 and exhaust chamber 35. Therefore, when the cooling air flows into intake chamber 34, rather than going to the other end 56 of intake chamber 34, it tends to pass between each of battery cells 33 to go to exhaust chamber 55. Accordingly, in the present embodiment, the flow rate of the cooling air flowing between each of battery cells 33 is greater in a position nearer to one end 55 than to the other end 56. On the other hand, as exhaust pipe 21 extends at a position nearer to one end 55 than to the other end 56, the difference in the temperature between each of battery cells 33 aligning in the vehicle width direction can be made small.
  • Fig. 12 is a plan view showing a modification of the battery pack shown in Fig. 11. Referring to Fig. 12, in the present modification, cooling air is introduced from one end 55 of intake chamber 34 and exhausted from the other end 56 of exhaust chamber 35. Exhaust pipe 21 extends immediately below battery pack 31 nearer to the other end 56 than to one end 55.
  • the position at which cooling air is introduced into intake chamber 34 and the position at which the cooling air is exhausted from exhaust chamber 35 are provided on opposite sides of the extending direction of intake chamber 34 and exhaust chamber 35. Therefore, when the cooling air flows into one end 55 of intake chamber 34, rather than passing between each of battery cells 33 and going to exhaust chamber 55, it tends to rush toward the other end 56 of intake chamber 34. Accordingly, the flow rate of the cooling air flowing between each of battery cells 33 is greater in a position nearer to the other end 56 than to one end 55.
  • exhaust pipe 21 extends at a position nearer to the other end 56 than to one end 55, the difference in the temperature between each of battery cells 33 aligning in the vehicle width direction can be made small.
  • the structure of the hybrid vehicle in the fourth embodiment of the present invention includes battery pack 31 arranged on floor panel 15 and exhaust pipe 21 having exhaust port 24 and extending from engine 14 and passing below floor panel 15 to exhaust port 24.
  • Battery pack 31 has secondary battery 32 constituted by a plurality of battery cells stacked in the vehicle width direction for supplying electric power to the motor, intake chamber 34 provided adjacent to secondary battery 32 in a substantially horizontal direction perpendicular to the direction along which the plurality of battery cells 33 are stacked for supplying cooling air between each of the plurality of battery cells 33, and exhaust chamber 35 arranged on the opposite side of intake chamber 34 relative to secondary battery 32 for exhausting the cooling air from between each of the plurality of battery cells 33.
  • Intake chamber 34 and exhaust chamber 35 include one end 55 and the other end 56 separated in the direction along which the plurality of battery cells 33 are stacked, and extend from one end 55 to the other end 56.
  • exhaust pipe 21 When the cooling air is introduced from one end 55 of intake chamber 34 and exhausted from the other end 56 of exhaust chamber 35, exhaust pipe 21 is provided to pass immediately below battery pack 31 at a position nearer to the other end 56 than to one end 55. When the cooling air is introduced from one end 55 of intake chamber 34 and exhausted from one end 55 of exhaust chamber 35, exhaust pipe 21 is provided to pass immediately below battery pack 31 at a position nearer to one end 55 than to the other end 56.
  • the effect similar to that described in the first embodiment can be attained. Additionally, since variations in the temperature between each of battery cells 33 is suppressed to be small, improvements in the battery performance and the battery lifetime can be achieved.
  • the present invention is applicable chiefly to a hybrid vehicle having an internal combustion engine and a motor as its motive power source.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Manufacturing & Machinery (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Toxicology (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Hybrid Electric Vehicles (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Exhaust Silencers (AREA)
  • Secondary Cells (AREA)

Abstract

A structure of a hybrid vehicle includes a battery pack (31) arranged on a floor panel (15) and an exhaust pipe (21) extending from an engine, passing below the floor panel (15), to an exhaust port. The battery pack (31) has a secondary battery (32) constituted by a plurality of battery cells (33) stacked in a vehicle traveling direction for supplying electric power to a motor, and an intake chamber (34) provided adjacent to the secondary battery (32) in a substantially horizontal direction perpendicular to the direction along which the plurality of battery cells (33) are stacked for supplying cooling air between each of the plurality of battery cells (33). The exhaust pipe (21) is provided so that it passes immediately below the battery pack (31) and passes a position displaced from a position immediately below the intake chamber (34). With such a configuration, a structure of a hybrid vehicle that suppresses reduction in the efficiency of cooling a secondary battery without placing a great limit on routing of an exhaust pipe is provided.

Description

DESCRIPTION
Structure of Hybrid Vehicle
Technical Field
The present invention generally relates to a structure of a hybrid vehicle haying an internal combustion engine and a motor as its motive power source, and more particularly, to a structure of a hybrid vehicle including a battery pack of a side-flow type wherein cooling air flows in the horizontal direction.
Background Art
As to a conventional structure of a hybrid vehicle, for example Japanese Patent Laying-Open No. 2001-138753 (Patent Document 1) discloses a vehicle lower body structure of a hybrid vehicle having an object of lowering the floor while reducing the length in the longitudinal direction of the vehicle. In the hybrid vehicle disclosed in Patent Document 1, a battery case storing a battery is arranged below a seat in the vehicle room. An exhaust pipe attached to an exhaust manifold of an engine extends below a floor panel toward an exhaust port situated at the rear of the vehicle. The exhaust pipe extends in a position not overlapping with the battery when the vehicle is seen two-dimensionally.
Japanese Patent Laying-Open No. 2003-326980 (Patent Document 2) discloses a loading structure for an exhaust pipe, which has an object of suppressing a local temperature increase of a battery caused by heat of an exhaust pipe. Similarly to the hybrid vehicle disclosed in Patent Document 1, also in Patent Document 2, the battery is arranged so that it is not positioned immediately above the exhaust pipe.
Japanese Patent Laying-Open No. 2001-18664 (Patent Document 3) discloses an air-intaking and exhausting apparatus in an air cooling system having an object of efficiently cooling a power drive unit and a down converter without using an air conditioning apparatus in the vehicle. Japanese Patent Laying-Open No. 2000-351328 (Patent Document 4) discloses a battery mounting structure for an electric vehicle having an object of mounting a battery on one side below a vehicle floor without impairing support stability. A battery pack mounted on a hybrid vehicle is classified by the direction of the flow of cooling air into a side-flow type wherein the cooling air is caused to flow in the horizontal direction to cool the secondary battery, and an up-flow type or a down-flow type wherein the cooling air is caused to flow in the vertical direction to cool the secondary battery. With the side-flow type, an intake chamber supplying cooling air toward the secondary battery and an exhaust chamber exhausting the cooling air from the secondary battery are arranged on opposite sides of the secondary battery. However, in this case, since there is no chamber below the secondary battery as in the up-flow or down-flow type, the battery pack is greatly affected by heat from under the floor panel when the battery pack is arranged on the floor panel of the vehicle. This may impair the efficiency of cooling the secondary battery.
On the other hand, in the hybrid vehicle disclosed in Patent Document I5 the exhaust pipe is arranged so that it does not overlap with the battery when seen two- dimensionally. However, the exhaust pipe must be detoured around the battery case, and therefore the pipe is greatly bent along its route. When the exhaust pipe is excessively bent in such a manner, exhaust efficiency may be reduced and the engine performance may be impaired.
Disclosure of the Invention
An object of the present invention is to solve the aforementioned problems, and to provide a structure of a hybrid vehicle that suppresses reduction in the efficiency of cooling a secondary battery without placing a great limit on routing of an exhaust pipe. A structure of a hybrid vehicle according to one aspect of the present invention is a structure of a hybrid vehicle having an internal combustion engine and a motor. The structure of a hybrid vehicle includes: a battery pack arranged on a vehicle floor; and an exhaust passage having an exhaust port and extending from the internal combustion engine, passing below the vehicle floor, to the exhaust port. The battery pack has a secondary battery constituted by a plurality of battery cells stacked in a vehicle traveling direction for supplying electric power to the motor, and an intake chamber provided adjacent to the secondary battery in a substantially horizontal . direction perpendicular to the direction along which the plurality of battery cells are stacked for supplying cooling air between each of the plurality of battery cells. The exhaust passage is provided so that it passes immediately below the battery pack and passes a position displaced from a position immediately below the intake chamber. With the structure of a hybrid vehicle thus configured, it is not necessary to detour around the battery pack when routing the exhaust passage from the internal combustion engine to the exhaust port. Accordingly, excessively bent route of the exhaust passage can be avoided, and the performance of the internal combustion engine can be prevented from being impaired. Here, the exhaust passage is provided so that it passes a position displaced from a position immediately below the intake chamber. Therefore, the effect of heat of the exhaust passage on the cooling air in the intake chamber is suppressed to be small, and thus an increase in the temperature of the cooling air before being provided to the plurality of battery cells can be suppressed. Thus, a significant reduction in the efficiency of cooling the secondary battery can be prevented. Further, the plurality of battery cells include a first battery cell region positioned relatively near to the intake chamber, and a second battery cell region positioned relatively far from the intake chamber. Preferably, the exhaust passage is provided so that it passes immediately below the first battery cell region. With the structure of a hybrid vehicle thus configured, the battery cells of the second battery cell region are cooled by the cooling air after cooling the battery cells of the first battery cell region, and therefore a temperature distribution of the battery cells exists, in which the temperature is low in the first battery cell region and high in the second battery cell region. In the present invention, as the battery cells of the first battery cell region more greatly affected by heat of the exhaust passage, the temperature distribution of the. battery cells between the first battery cell region and the second battery cell region can be made small. A structure of a hybrid vehicle according to another aspect of the present invention is a structure of a hybrid vehicle having an internal combustion engine and a motor. The structure of a hybrid vehicle includes: a battery pack arranged on a vehicle floor; and an exhaust passage having an exhaust port and extending from the internal combustion engine, passing below the vehicle floor, to the exhaust port; and a catalyst portion provided on a route of the exhaust passage for purifying exhaust gas. - The battery pack has a secondary battery constituted by a plurality of battery cells stacked in a vehicle width direction for supplying electric power to the motor, and an intake chamber provided adjacent to the secondary battery in a substantially horizontal direction perpendicular to the direction along which the plurality of battery cells are stacked for supplying cooling air between each of the plurality of battery cells. The exhaust passage is provided so that it passes immediately below the battery pack. The catalyst portion is arranged at a position displaced from a position immediately below the intake chamber.
With the structure of a hybrid vehicle thus configured, it is not necessary to detour around the battery pack when routing the exhaust passage from the internal combustion engine to the exhaust port. Accordingly, excessively bent route of the exhaust passage can be avoided, and the performance of the internal combustion engine can be prevented from being impaired. Here, the catalyst portion arranged at the exhaust passage is arranged at a position displaced from a position immediately below the intake chamber. Accordingly, the effect of heat generated at the catalyst portion due to catalytic reaction on the cooling air in the intake chamber can be suppressed to be small, and thus an increase in the temperature of the cooling air before being supplied between each of the plurality of battery cells can be suppressed. Thus, a significant reduction in the efficiency of cooling the secondary battery can be prevented.
A structure of a hybrid vehicle according to still another aspect of the present invention is a structure of a hybrid vehicle having an internal combustion engine and a motor. The structure of a hybrid vehicle includes: a battery pack that has a secondary battery supplying electric power to the motor and that is arranged on a vehicle floor; an exhaust passage having an exhaust port and extending from the internal combustion engine, passing below the vehicle floor, to the exhaust port; and a catalyst portion provided on a route of the exhaust passage for purifying exhaust gas. The exhaust passage is provided so that it passes immediately below the battery pack. The catalyst portion is arranged at a position displaced from a position immediately below the battery pack.
With the structure of a hybrid vehicle thus configured, it is not necessary to detour around the battery pack when routing the exhaust passage from the internal combustion engine to the exhaust port. Accordingly, excessively bent route of the exhaust passage can be avoided, and the performance of the internal combustion engine can be prevented from being impaired. Here, the catalyst portion provided at the exhaust passage is arranged at a position displaced from a position immediately below the battery pack. Accordingly, an increase in the temperature of the cooling air flowing in the battery pack due to the heat generated at the catalyst portion by catalytic reaction can be suppressed. Thus, a significant reduction in the efficiency of cooling the secondary battery can be prevented.
Further, the secondary battery is constituted by a plurality of battery cells stacked in a vehicle traveling direction. The battery pack further has an intake chamber provided adjacent to the secondary battery in a substantially horizontal direction perpendicular to the direction along which the plurality of battery cells are stacked for supplying cooling air between each of the plurality of battery cells. The plurality of battery cells includes a first battery cell region positioned relatively near to the intake chamber, and a second battery cell region positioned relatively far from the intake chamber. Preferably, the exhaust passage is provided so that it passes immediately below the first battery cell region. With the structure of a hybrid vehicle thus configured, as the battery cells of the first battery cell region more greatly affected by heat of the exhaust passage, the temperature distribution of the battery cells between the first battery cell region and the second battery cell region can be made small.
A structure of a hybrid vehicle according to still another aspect of the present invention is a structure of a hybrid vehicle having an internal combustion engine and a motor. The structure of a hybrid vehicle includes: a battery pack arranged on a vehicle floor; and an exhaust passage having an exhaust port and extending from the internal combustion engine, passing below the vehicle floor, to the exhaust port. The battery pack has a secondary battery constituted by a plurality of battery cells stacked in a vehicle width direction for supplying electric power to the motor, an intake chamber provided adjacent to the secondary battery in a substantially horizontal direction perpendicular to the direction along which the plurality of battery cells are stacked for supplying cooling air between each of the plurality of battery cells, and an exhaust chamber arranged opposite to the intake chamber relative to the secondary battery for exhausting the cooling air from between each of the plurality of battery cells. The intake chamber and the exhaust chamber each include one end and the other end separated in a direction along which the plurality of battery cells are stacked, and extend from one end to the other end. When the cooling air is introduced from one end of the intake chamber and exhausted from the other end of the exhaust chamber, the exhaust passage is provided to pass immediately below the battery pack at a position nearer to the other end than to one end. When the cooling air is introduced from one end of the intake chamber and exhausted from one end of the exhaust chamber, the exhaust passage is provided to pass immediately below the battery pack at a position nearer to one end than to the other end.
With the structure of a hybrid vehicle thus configured, it is not necessary to detour around the battery pack when routing the exhaust passage from the internal combustion engine to the exhaust port. Accordingly, excessively bent route of the exhaust passage can be avoided, and the performance of the internal combustion engine can be prevented from being impaired. Here, when the cooling air is introduced from one end of the intake chamber and exhausted from the other end of the exhaust chamber, the flow rate of the cooling air flowing between each of the battery cells is greater in a position nearer to the other end than to one end, and a temperature distribution of the battery cells exists, in which the temperature is low in the position nearer to the other end and high in the position nearer to one end. When the cooling air is introduced from one end of the intake chamber and exhausted from one end of the exhaust chamber, the flow rate of the cooling air flowing between each of the battery cells is greater in a position nearer to one end than to the other end, and a temperature distribution of the battery cells exists, in which the temperature is low in the position nearer to one end and high in the position nearer to the other end. In the present invention, the exhaust passage extends in a position near to the other end and to one end in respective cases, and therefore the temperature distribution of the battery cells can be made small by the heat of the exhaust passage.
As described above, according to the present invention, a structure of a hybrid vehicle that suppresses reduction -in the efficiency of cooling a secondary battery without placing a great limit on routing of an exhaust pipe can be provided.
Brief Description of the Drawings
Fig. 1 is a side view of a hybrid vehicle in a first embodiment of the present invention.
Fig. 2 is a plan view of the hybrid vehicle shown in Fig. 1. Fig. 3 is a perspective view showing a battery pack shown in Fig. 1.
Fig. 4 is a cross-sectional view of a battery pack along line IV-IV in Fig. 2.
Fig. 5 is a cross-sectional view of a modification of a battery pack wherein an exhaust pipe extends immediately below a battery cell arranged downstream of a cooling air flow,
Fig. 6 is a cross-sectional view of another modification of a battery pack wherein an exhaust pipe extends immediately below a battery cell arranged downstream of a cooling air flow. Fig. 7 is a plan view of a hybrid vehicle in a second embodiment of the present invention.
Fig. 8 is a cross-sectional view of a battery pack along line VIII-VIII in Fig. 7.
Fig. 9 is a plan view of a hybrid vehicle in a third embodiment of the present invention. Fig. 10 is a plan view of a modification of the hybrid vehicle shown in Fig. 9.
Fig. 11 is a plan view partially showing a hybrid vehicle in a fourth embodiment of the present invention.
Fig. 12 is a plan view showing a modification of the battery pack shown in Fig. 11.
Best Modes for Carrying Out the Invention
Embodiments of the present invention will be described referring to the drawings. In the drawings referred to, the same or corresponding members are denoted by the same reference character. First Embodiment
Fig. 1 is a side view of a hybrid vehicle in a first embodiment of the present invention. Fig. 2 is a plan view of the hybrid vehicle shown in Fig. 1. Referring to Figs. 1 and 2, a hybrid vehicle 10 has as its source of motive power a gasoline engine 14 (hereinafter simply referred to as engine 14) and a motor electrically supplied from a secondary battery (battery) 32 that can be charged or discharged.
Engine 14 is stored in an engine room 16 formed on a front side of the vehicle. To an exhaust manifold of engine 14, an exhaust pipe 21 is connected. Exhaust pipe 21 extends from inside of engine room 16, passing below a floor panel 15, toward the rear of the vehicle. Floor panel 15 constitutes the floor board of the vehicle, and extends facing to the ground. Exhaust pipe 21 has, at its tip extending toward the rear of the vehicle, an exhaust port 24 opening toward the outside of the vehicle. The exhaust gas from engine 14 is guided through exhaust pipe 21 to the rear of the vehicle, and exhausted outside the vehicle from exhaust port 24.
. On the route of exhaust pipe 21, in the order closer to engine 14, a three-way catalyst 22 purifying the exhaust gas, and a muffler 23 suppressing combustion noise in each cylinder of the engine are provided. Three-way catalyst 22 is a catalyst that simultaneously changes CO, HC (hydrocarbon) and NOx (nitrogen oxides) to CO2, H2O and N2, respectively, and configured by forming, on a monolith base, a coat layer containing an alumina support and noble metal such as platinum and rhodium, for example.
In the room of hybrid vehicle 10, a driver's seat 11 and a front passenger's seat 12 are provided aligned in the vehicle width direction. The vehicle width direction is perpendicular to the vehicle traveling direction. Between driver's seat 11 and front passenger's seat 12, a center console 13 made of resin is provided. Center console 13 is provided, for example, to sophisticate the interior, to provide a cup holder for placing a drink container, and to provide a depression for placing small articles.
Battery pack 31 storing secondary battery 32 is provided on floor panel 15 and for example inside center console 13. Battery pack 31 is arranged between engine 14 and exhaust port 24 in the vehicle traveling direction, and in the present embodiment, arranged overlapping with a line connecting engine 14 and exhaust port 24. When seen from above the vehicle, battery pack 31 is arranged to be positioned between engine 14 and exhaust port 24. Battery pack 31 and exhaust pipe 21 are provided next to each other with floor panel 15 interposed between them.
Fig. 3 is a perspective view showing a battery pack shown in Fig. 1. In the drawing, a case body that is an outer package of the battery pack is drawn as transparent. Referring to Figs. 2 and 3, secondary battery 32 stored in battery pack 31 is constituted by a plurality of battery cells 33. In the present embodiment, pairs of battery cells 33m and 33n aligned in parallel are stacked in the vehicle traveling direction to constitute secondary battery 32. A plurality of battery cells 33 are electrically connected in series with each other by a not-shown bus bar. Battery cell 33 is formed by a lithium ion battery. It is noted that battery cell 33 is not particularly limited so long as it is a secondary battery that can be charged or discharged, and it may be a nickel-hydride metal battery, for example.
The pairs of battery cells 33m and 33n are retained by resin frames 43 formed by a resin material such as polypropylene, for example. Resin frames 43 are aligned in a plurality of numbers in the vehicle traveling direction while retaining battery cells 33m and 33n. On opposite sides of resin frames 43 arranged in a plurality of numbers, end plates 40 and 41 are arranged. End plate 40 and end plate 41 are bound to each other by a binding band 42 with a plurality of resin frames 43 being interposed between them. At battery pack 31, an intake chamber 34 and an exhaust chamber 35 are formed, positioned on the opposite sides of secondary battery 32. Intake chamber 34 and exhaust chamber 35 are adjacent to secondary battery 32 in the horizontal direction perpendicular to the vehicle traveling direction along which battery cells 33 are stacked, that is, in the vehicle width direction. A plurality of battery cells 33m stacked in the vehicle traveling direction are provided adjacent to intake chamber 34, and a plurality of battery cells 33n stacked in the vehicle traveling direction are provided adjacent to exhaust chamber 35.
At resin frame 43, a cooling air passage 44 passing between battery cells 33 that are adjacent to each other in the vehicle traveling direction is formed. Cooling air passage 44 communicates with intake chamber 34 and exhaust chamber 35 at the opposite sides of secondary battery 32. The cooling air introduced from the room into battery pack 31 flows from intake chamber 34 into cooling air passage 44. The cooling air first cools battery cells 33m and thereafter cools battery cells 33n while flowing through cooling air passage 44. The cooling air which is increased in the temperature by heat exchange with battery cells 33 is exhausted from cooling air passage 44 to exhaust chamber 35.
Fig. 4 is a cross-sectional view of the battery pack along line IV-IV in Fig. 2. Referring to Figs. 3 and 4, exhaust pipe 21 extends in a position immediately below battery pack 31 and in a position displaced from a position immediately below intake chamber 34, that is, in a position overlapping with battery pack 31 excluding intake chamber 34 when hybrid vehicle 10 is seen two-dimensionally. Exhaust pipe 21 extends so as to overlap with battery pack 31 and not with intake chamber when seen from above the vehicle. Exhaust pipe 21 extends in the vehicle traveling direction, being separated from intake chamber 34 and overlapping with batteVy pack 31 when seen from above the vehicle. Exhaust pipe 21 is provided such that the heat quantity transferred from exhaust pipe 21 is relatively small in intake chamber 34 and relatively great in battery pack 31 excluding intake chamber 34. Exhaust pipe 21 in the present embodiment extends to cross both of end plates 40 and 41 binding a plurality of battery cells 33 from the opposite sides, when seen from above the vehicle. Exhaust pipe 21 extends positioned in a region 102 spreading immediately below battery cell 33m, a region 103 spreading immediately below battery cell 33n, or a region 104 spreading immediately below exhaust chamber 35. The region through which exhaust pipe 21 extends may be a plurality of those regions. Assuming a case where exhaust pipe 21 extends through region 101 spreading immediately below intake chamber 34, the temperature of cooling air in intake chamber 34 increases, being affected by the exhaust gas of high temperature passing thorough exhaust pipe 21. In this case, as the cooling air with the increased temperature is supplied to secondary battery 32, the heat exchange between the cooling air and battery cell 33 is not achieved efficiently. Accordingly, the efficiency of cooling secondary battery 32 may significantly be reduced. On the other hand, according to the present embodiment, as exhaust pipe 21 extends through region 102, 103 or 104 displaced from region 101, the efficiency of cooling secondary battery 32 is prevented from being reduced affected by heat of exhaust pipe 21.
The reduction of efficiency of cooling secondary battery 32 is most effectively prevented when exhaust pipe 21 extends through region 104 spreading immediately below exhaust chamber 35. Further, when exhaust pipe 21 extends along the vehicle traveling direction that is the stacking direction of battery cells 33 in region 102 or 103 spreading immediately below battery cells 33, a difference in the temperature between each of battery cells 33 aligning in the vehicle traveling direction due to the effect of heat of exhaust pipe 21 can be avoided.
When exhaust pipe 21 extends through region 102 spreading immediately below battery cells 33m, the temperature of battery cells 33m increases being affected by the heat of exhaust pipe 21. However, the temperature of battery cell 33m positioned upstream of the cooling air flow tends to be lower than that of battery cells 33n positioned downstream of the cooling air flow, and therefore the temperature difference' between battery cells 33m and battery cells 33n can be made small. Fig. 5 is a cross-sectional view of a modification of the battery pack wherein the exhaust pipe extends immediately below the battery cell arranged downstream of the cooling air flow. Referring to Fig. 5, when exhaust pipe 21 extends in region 103 spreading immediately below battery cells 33n, a bypass flow channel 51 that directly connects the cooling air passage extending between each of a plurality of battery cells 33m and exhaust chamber 35 may be formed in resin frame 43. Bypass flow channel 51 extends between battery cell 33n and exhaust pipe 21. Bypass flow channel 51 guides the cooling air having passed between each of a plurality of battery cells 33m to exhaust chamber 35, without passing between each of a plurality of battery cells 33n. With such a structure, since the heat of exhaust pipe 21 is taken away by the cooling air flowing through bypass flow channel 51, the increase in the temperature of battery cells 33n can be suppressed to be smaller. Thus, the difference in the temperature between battery cell 33n and battery cell 33m can be suppressed to be smaller. Fig. 6 is a cross-sectional view of another modification of the battery pack wherein the exhaust pipe extends immediately below the battery cell arranged downstream of the cooling air flow. Referring to Fig. 6, when exhaust pipe 21 extends through region 103 spreading immediately below battery cells 33n, in addition to bypass flow channel 51, a bypass flow channel 52 that directly connects intake chamber 34 and the cooling air passage extending between each of a plurality of battery cells 33n may be formed in resin frame 43. Bypass flow channel 52 extends along the opposite side of floor panel 15 relative to battery cells 33n, and formed in a position hardly affected by the heat of exhaust pipe 21. Bypass flow channel 52 guides the cooling air passing in intake chamber 34 to between each of a plurality of battery cells 33n, without passing between each of a plurality of battery cells 33m.
With such a structure, by means of bypass flow channel 52, the cooling air not conducting heat exchange between battery cells 33m is used for the heat exchange with battery cells 33n. With this method, as compared to the modification shown in Fig. 5, the flow rate of the cooling air flowing between each of battery cells 33n can be made the same as or greater than the flow rate of the cooling air flowing between each of battery cells 33m, and thus the temperature of battery cell 33n can be set even lower. Thus, the difference in the temperature between battery cells 33m and battery cells 33n can be made further smaller. The structure of hybrid vehicle 10 as a hybrid vehicle in the first embodiment of the present invention includes battery pack 31 arranged on floor panel 15 as a vehicle floor, and exhaust pipe 21 as an exhaust passage having exhaust port 24 and extending from engine 14 as an internal combustion engine passing below floor panel 15 to exhaust port 24. Battery pack 31 has secondary battery 32 constituted by a plurality of battery cells 33 stacked in the vehicle traveling direction for supplying electric power to the motor, and intake chamber 34 provided adjacent to secondary battery 32 in a substantially horizontal direction perpendicular to the direction in which a plurality of battery cells 33 are stacked for supplying cooling air between each of a plurality of battery cells 33. Exhaust pipe 21 is provided so that it passes immediately below battery pack 31 and passes a position displaced from a position immediately below intake chamber 34.
With the structure of hybrid vehicle 10 in the first embodiment of the present invention thus configured, by arranging exhaust pipe 21 immediately below battery pack 31, it is not necessary to make exhaust pipe 21 detour around battery pack 31, and the degree of freedom in arranging exhaust pipe 21 is improved. Thus, exhaust pipe 21 is prevented from excessively bent or folded between engine 14 and exhaust port 24, improving the performance of engine 14. Further, in the present embodiment, since intake chamber 34 or exhaust chamber 35 is not arranged between secondary battery 32 and floor panel 15, battery pack 31 is susceptible to the effect of external environment below floor panel 15. However, as exhaust pipe 21 passes the position displaced from the position immediately below intake chamber 34, a significant reduction in the efficiency of cooling secondary battery 32 is prevented. Although description has been given on the case where battery pack 31 is provided inside center console 13 in the present embodiment, the present invention is not limited thereto and battery pack 31 may be provided for example under driver's seat 11 or front passenger's seat 12, under rear sheet 18, or in a luggage room. Engine 14 is not limited to a gasoline engine, and it may be a diesel engine. Second Embodiment
Fig. 7' is a plan view of a hybrid vehicle in a second embodiment of the present invention. Fig. 8 is a cross-sectional view of a battery pack along line VIII-VIII in Fig. 7. In the following, description of the structure being the same as in hybrid vehicle 10 in the first embodiment will not be repeated. Referring to Figs. 7 and 8, in the present embodiment, pairs of battery cells 33m and 33n aligned in parallel are stacked in the vehicle width direction to constitute secondary battery 32. Intake chamber 34 and exhaust chamber 35 are adjacent to secondary battery 32 in a horizontal direction perpendicular to the vehicle width direction along which battery cells 33 are stacked, that is, in the vehicle traveling direction. Exhaust pipe 21 extends immediately below battery pack 31, and extends through region 101 spreading immediately below intake chamber 34, regions 102 and 103 spreading immediately below battery cells 33m and 33n, respectively, and region 104 spreading immediately below exhaust chamber 35 in this order.
In the present embodiment, a three-way catalyst 22 is provided at a position displaced from a position immediately below intake chamber 34, that is, at a position not overlapping with intake chamber 34 when hybrid vehicle 10 is seen two-dimensionally. Three-way catalyst 22 is provided at region 102, 103, or 104 or at regions 100 and 105 being displaced from a position immediately below battery pack 31. The region where three-way catalyst 22 is arranged may be a plurality of these regions.
In place of three-way catalyst 22, an apparatus purifying exhaust gas by catalytic reaction such as oxidation catalyst, lean NOx catalyst, DPF (diesel particulate filter) with oxidation catalyst, or HC adsorption purify catalyst may be provided. Further, three-way catalyst 22 may be a catalyst provided immediately downstream of the exhaust manifold so that it attains the active temperature in the early stage when the engine is started.
As catalytic reaction occurs when exhaust gas passes through three-way catalyst 22, the temperature of three-way catalyst 22 increases. In the present embodiment, since three-way catalyst 22 is arranged in region 100, 102, 104, 104, or 105 that is displaced from region 101 spreading immediately below intake chamber 34, a significant reduction in the efficiency of cooling secondary battery 32 affected by heat generated in three-way catalyst 22 is suppressed.
The structure of hybrid vehicle in the second embodiment of the present invention includes battery pack 31 arranged on floor panel 15, exhaust pipe 21 having exhaust port 24 and extending from engine 14 and passing below floor panel 15 to exhaust port 24, and three-way catalyst 22 provided on the route of exhaust pipe 21 as a catalyst portion purifying exhaust gas. Battery pack 31 has secondary battery 32 constituted by a plurality of battery cells 33 stacked in the vehicle width direction for supplying electric power to the motor, and intake chamber 34 provided adjacent to secondary battery 32 in a substantially horizontal direction perpendicular to the direction along which a plurality of battery cells 33 are stacked for supplying cooling air between each of a plurality of battery cells 33. Exhaust pipe 21 is provided so that it passes immediately below battery pack 31. Three-way catalyst 22 is arranged at a position displaced from a position immediately below intake chamber 34.
With the structure of the hybrid vehicle in the second embodiment of the present invention thus configured, the effect similar to that described in the first embodiment can be attained.
Third Embodiment
Fig. 9 is a plan view of a hybrid vehicle in a third embodiment of the present invention. In the following, description of the structure being the same as in the hybrid vehicle in the first and second embodiments will not be repeated. Referring to Fig. 9, in the present embodiment, battery cells 33 are stacked in the vehicle traveling direction to constitute secondary battery 32. Intake chamber 34 and exhaust chamber 35 are adjacent to secondary battery 32 in a horizontal direction perpendicular to the vehicle traveling direction along which battery cells 33 are stacked, that is, in the vehicle width direction. Exhaust pipe 21 extends immediately below battery pack 31, and three-way catalyst 22 is arranged at a position displaced from a position immediately below battery pack 31. That is, exhaust pipe 21 extends at a position overlapping with battery pack 31 when hybrid vehicle 10 is seen two- dimensionally, and three-way catalyst 22 is arranged at a position not overlapping with battery pack 31. With such a configuration, a significant reduction in the efficiency of cooling secondary battery 32 affected by heat generated in three-way catalyst 22 is suppressed.
It is noted that, as in the first embodiment when exhaust pipe 21 extends through region 102 spreading immediately below battery cell 33m in Fig. 4, the difference in the temperature between battery cell 33m and battery cell 33n can be made small. When exhaust pipe 21 extends through region 103 spreading immediately below battery cell 33n, the bypass flow channel shown in Figs. 5 and 6 may be applied to the hybrid vehicle shown in Fig. 9. Fig. 10 is a plan view of a modification of the hybrid vehicle shown in Fig. 9.
Referring to Fig. 10, in the present modification wherein battery cells 33 are stacked in the vehicle width direction also, exhaust pipe 21 is provided to extend immediately below battery pack 31, and three-way catalyst 22 is arranged at a position being displaced from a position immediately below battery pack 31. The hybrid vehicle in the third embodiment of the present invention includes battery pack 31 having secondary battery 32 supplying electric power to a motor and arranged on floor panel 15, exhaust pipe 21 having exhaust port 24 and extending from engine 14 and passing below floor panel 15 to exhaust port 24, and three-way catalyst 22 provided on the route of exhaust pipe 21 for purifying exhaust gas. The exhaust pipe 21 is provided to pass immediately below battery pack 31. Three-way catalyst 22 is arranged at a position displaced from a position immediately below battery pack 31. With the structure of the hybrid vehicle in the third embodiment of the present invention thus configured, the effect similar to that described in the first embodiment can be attained. Fourth Embodiment
Fig. 11 is a plan view partially showing a hybrid vehicle in a fourth embodiment of the present invention. In the following, description of the structure being the same as in the hybrid vehicle in the first to third embodiments will not be repeated.
Referring to Fig. 11, in the present embodiment, battery cells 33 are stacked in the vehicle width direction to constitute secondary battery 32. Intake chamber 34 and exhaust chamber 35 are adjacent to secondary battery 32 in a horizontal direction perpendicular to the vehicle width direction along which battery cells 33 are stacked, that is, in the vehicle traveling direction. Intake chamber 34 and exhaust chamber 35 each have one end 55 and the other end 56 separated in the vehicle width direction, and they extend in parallel to each other from one end 55 to the other end 56. The cooling air is introduced from one end 55 of intake chamber 34, and makes a turn in battery pack 31 and exhausted from one end 55 of exhaust chamber 35 , Exhaust pipe 21 extends immediately below battery pack 31 nearer to one end 55 than to the other end 56.
In the present embodiment, the position at which cooling air is introduced into intake chamber 34 and the position at which the cooling air is exhausted from exhaust chamber 35 are provided on the same side of the extending direction of intake chamber 34 and exhaust chamber 35. Therefore, when the cooling air flows into intake chamber 34, rather than going to the other end 56 of intake chamber 34, it tends to pass between each of battery cells 33 to go to exhaust chamber 55. Accordingly, in the present embodiment, the flow rate of the cooling air flowing between each of battery cells 33 is greater in a position nearer to one end 55 than to the other end 56. On the other hand, as exhaust pipe 21 extends at a position nearer to one end 55 than to the other end 56, the difference in the temperature between each of battery cells 33 aligning in the vehicle width direction can be made small.
Fig. 12 is a plan view showing a modification of the battery pack shown in Fig. 11. Referring to Fig. 12, in the present modification, cooling air is introduced from one end 55 of intake chamber 34 and exhausted from the other end 56 of exhaust chamber 35. Exhaust pipe 21 extends immediately below battery pack 31 nearer to the other end 56 than to one end 55.
In this case, the position at which cooling air is introduced into intake chamber 34 and the position at which the cooling air is exhausted from exhaust chamber 35 are provided on opposite sides of the extending direction of intake chamber 34 and exhaust chamber 35. Therefore, when the cooling air flows into one end 55 of intake chamber 34, rather than passing between each of battery cells 33 and going to exhaust chamber 55, it tends to rush toward the other end 56 of intake chamber 34. Accordingly, the flow rate of the cooling air flowing between each of battery cells 33 is greater in a position nearer to the other end 56 than to one end 55. On the other hand, as exhaust pipe 21 extends at a position nearer to the other end 56 than to one end 55, the difference in the temperature between each of battery cells 33 aligning in the vehicle width direction can be made small.
The structure of the hybrid vehicle in the fourth embodiment of the present invention includes battery pack 31 arranged on floor panel 15 and exhaust pipe 21 having exhaust port 24 and extending from engine 14 and passing below floor panel 15 to exhaust port 24. Battery pack 31 has secondary battery 32 constituted by a plurality of battery cells stacked in the vehicle width direction for supplying electric power to the motor, intake chamber 34 provided adjacent to secondary battery 32 in a substantially horizontal direction perpendicular to the direction along which the plurality of battery cells 33 are stacked for supplying cooling air between each of the plurality of battery cells 33, and exhaust chamber 35 arranged on the opposite side of intake chamber 34 relative to secondary battery 32 for exhausting the cooling air from between each of the plurality of battery cells 33. Intake chamber 34 and exhaust chamber 35 include one end 55 and the other end 56 separated in the direction along which the plurality of battery cells 33 are stacked, and extend from one end 55 to the other end 56.
When the cooling air is introduced from one end 55 of intake chamber 34 and exhausted from the other end 56 of exhaust chamber 35, exhaust pipe 21 is provided to pass immediately below battery pack 31 at a position nearer to the other end 56 than to one end 55. When the cooling air is introduced from one end 55 of intake chamber 34 and exhausted from one end 55 of exhaust chamber 35, exhaust pipe 21 is provided to pass immediately below battery pack 31 at a position nearer to one end 55 than to the other end 56.
With the structure of the hybrid vehicle in the fourth embodiment of the present invention thus configured, the effect similar to that described in the first embodiment can be attained. Additionally, since variations in the temperature between each of battery cells 33 is suppressed to be small, improvements in the battery performance and the battery lifetime can be achieved.
It should be understood that the embodiments disclosed herein are illustrative and non-restrictive in every respect. The scope of the present invention is defined by the terms of the claims, rather than the description and example above, and is intended to include any modifications and changes within the scope and meaning equivalent to the terms of the claims.
Industrial Applicability The present invention is applicable chiefly to a hybrid vehicle having an internal combustion engine and a motor as its motive power source.

Claims

1. A structure of a hybrid vehicle having an internal combustion engine (14) and a motor, comprising: a battery pack (31) that has a secondary battery (32) constituted by a plurality of battery cells (33) stacked in a vehicle traveling direction for supplying electric power to said motor, and an intake chamber (34) provided adjacent to said secondary battery (32) in a substantially horizontal direction perpendicular to the direction along which said plurality of battery cells (33) are stacked for supplying cooling air between each of said plurality of battery cells (33), and that is arranged on a vehicle floor (15); and an exhaust passage (21) having an exhaust port (24) and extending from said internal combustion engine (14), passing below said vehicle floor (15), to said exhaust port (24), wherein said exhaust passage (21) is provided so that it passes immediately below said battery pack (31) and passes a position displaced from a position immediately below said intake chamber (34).
2. The structure of a hybrid vehicle according to claim 1, wherein said plurality of battery cells (33) include a first battery cell region (102) positioned relatively near to said intake chamber (34), and a second battery cell region (103) positioned relatively far from said intake chamber (34), and said exhaust passage (21) is provided so that it passes immediately below said first battery cell region (102).
3. A structure of a hybrid vehicle having an internal combustion engine (14) and a motor, comprising: a battery pack (31) that has a secondary battery (32) constituted by a plurality of battery cells (33) stacked in a vehicle width direction for supplying electric power to said motor, and an intake chamber (34) provided adjacent to said secondary battery (32) in a substantially horizontal direction perpendicular to the direction along which said plurality of battery cells (33) are stacked for supplying cooling air between each of said plurality of battery cells (33), and that is arranged on a vehicle floor (15); an exhaust passage (21) having an exhaust port (24) and extending from said internal combustion engine (14), passing below said vehicle floor (15), to said exhaust port (24); and a catalyst portion (22) provided on a route of said exhaust passage (21) for purifying exhaust gas, wherein said exhaust passage (21) is provided so that it passes immediately below said battery pack (31), and said catalyst portion (22) is arranged at a position displaced from a position immediately below said intake chamber (34).
4. A structure of a hybrid vehicle having an internal combustion engine (14) and a motor, comprising: a battery pack (31) that has a secondary battery (32) supplying electric power to said motor and that is arranged on a vehicle floor (15); an exhaust passage (21) having an exhaust port (24) and extending from said internal combustion engine (14), passing below said vehicle floor (15), to said exhaust port (24); and a catalyst portion (22) provided on a route of said exhaust passage (21) for purifying exhaust gas, wherein said exhaust passage (21) is provided so that it passes immediately below said battery pack (31), and said catalyst portion (22) is arranged at a position displaced from a position immediately below said battery pack (31).
5. The structure of a hybrid vehicle according to claim 4, wherein said secondary battery (32) is constituted by a plurality of battery cells (33) stacked in a vehicle traveling direction, said battery pack (31) further has an intake chamber (34) provided adjacent to said secondary battery (32) in a substantially horizontal direction perpendicular to the direction along which said plurality of battery cells (33) are stacked for supplying cooling air between each of said plurality of battery cells (33), said plurality of battery cells (33) includes a first battery cell region (102) . positioned relatively near to said intake chamber (34), and a second battery cell region (103) positioned relatively far from said intake chamber (34), and said exhaust passage (21) is provided so that it passes immediately below said first battery cell region (102).
6. A structure of a hybrid vehicle having an internal combustion engine (14) and a motor, comprising: a battery pack (31) that has a secondary battery (32) constituted by a plurality of battery cells (33) stacked in a vehicle width direction for supplying electric power to said motor, an intake chamber (34) provided adjacent to said secondary battery (32) in a substantially horizontal direction perpendicular to the direction along which said plurality of battery cells (33) are stacked for supplying cooling air between each of said plurality of battery cells (33), and an exhaust chamber (35) arranged opposite to said intake chamber (34) relative to said secondary battery (32) for exhausting the cooling' air from between each of said plurality of battery cells (33), and that is arranged on a vehicle floor (15); and an exhaust passage (21) having an exhaust port (24) and extending from said internal combustion engine (14), passing below said vehicle floor (15), to said exhaust port (24), wherein said intake chamber (34) and said exhaust chamber (35) each include one end (55) and the other end (56) separated in a direction along which said plurality of battery cells (33) are stacked, and extend from said one end (55) to said other end (56), when the cooling air is introduced from said one end (55) of said intake chamber (34) and exhausted from said other end (56) of said exhaust chamber (35), said exhaust passage (21) is provided to pass immediately below said battery pack (31) at a position nearer to said other end (56) than to said one end (55), and when the cooling air is introduced from said one end (55) of said intake chamber (34) and exhausted from said one end (55) of said exhaust chamber (35), said exhaust passage (21) is provided to pass immediately below said battery pack (31) at a position nearer to said one end (55) than to said other end (56).
PCT/JP2006/311893 2005-07-12 2006-06-07 Structure of hybrid vehicle WO2007007503A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP06747295A EP1901935B1 (en) 2005-07-12 2006-06-07 Hybrid vehicle
US11/884,929 US7823672B2 (en) 2005-07-12 2006-06-07 Structure of hybrid vehicle

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005203208A JP4415910B2 (en) 2005-07-12 2005-07-12 Hybrid vehicle structure
JP2005-203208 2005-07-12

Publications (1)

Publication Number Publication Date
WO2007007503A1 true WO2007007503A1 (en) 2007-01-18

Family

ID=36691772

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2006/311893 WO2007007503A1 (en) 2005-07-12 2006-06-07 Structure of hybrid vehicle

Country Status (6)

Country Link
US (1) US7823672B2 (en)
EP (1) EP1901935B1 (en)
JP (1) JP4415910B2 (en)
KR (1) KR100945888B1 (en)
CN (1) CN100569549C (en)
WO (1) WO2007007503A1 (en)

Cited By (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2194595A1 (en) * 2007-09-28 2010-06-09 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Battery unit
EP2240979A2 (en) * 2008-01-18 2010-10-20 LG Chem, Ltd. Battery cell assembly and method for assembling the battery cell assembly
EP2565960A1 (en) * 2011-09-01 2013-03-06 Samsung SDI Co., Ltd. Battery pack
US8399119B2 (en) 2009-08-28 2013-03-19 Lg Chem, Ltd. Battery module and method for cooling the battery module
US8399118B2 (en) 2009-07-29 2013-03-19 Lg Chem, Ltd. Battery module and method for cooling the battery module
US8403030B2 (en) 2009-04-30 2013-03-26 Lg Chem, Ltd. Cooling manifold
US8486552B2 (en) 2008-06-30 2013-07-16 Lg Chem, Ltd. Battery module having cooling manifold with ported screws and method for cooling the battery module
JP2013256288A (en) * 2013-08-08 2013-12-26 Mitsubishi Motors Corp Control device of vehicle air-conditioner system
US8663829B2 (en) 2009-04-30 2014-03-04 Lg Chem, Ltd. Battery systems, battery modules, and method for cooling a battery module
US8662153B2 (en) 2010-10-04 2014-03-04 Lg Chem, Ltd. Battery cell assembly, heat exchanger, and method for manufacturing the heat exchanger
US8852781B2 (en) 2012-05-19 2014-10-07 Lg Chem, Ltd. Battery cell assembly and method for manufacturing a cooling fin for the battery cell assembly
US8852783B2 (en) 2013-02-13 2014-10-07 Lg Chem, Ltd. Battery cell assembly and method for manufacturing the battery cell assembly
EP2797159A1 (en) * 2013-04-24 2014-10-29 Samsung SDI Co., Ltd. Battery pack
EP2808936A1 (en) * 2013-05-29 2014-12-03 Samsung SDI Co., Ltd. Battery pack
US9083066B2 (en) 2012-11-27 2015-07-14 Lg Chem, Ltd. Battery system and method for cooling a battery cell assembly
US9105950B2 (en) 2012-03-29 2015-08-11 Lg Chem, Ltd. Battery system having an evaporative cooling member with a plate portion and a method for cooling the battery system
US9184424B2 (en) 2013-07-08 2015-11-10 Lg Chem, Ltd. Battery assembly
US9257732B2 (en) 2013-10-22 2016-02-09 Lg Chem, Ltd. Battery cell assembly
US9306199B2 (en) 2012-08-16 2016-04-05 Lg Chem, Ltd. Battery module and method for assembling the battery module
US9379420B2 (en) 2012-03-29 2016-06-28 Lg Chem, Ltd. Battery system and method for cooling the battery system
US9412980B2 (en) 2014-10-17 2016-08-09 Lg Chem, Ltd. Battery cell assembly
US9444124B2 (en) 2014-01-23 2016-09-13 Lg Chem, Ltd. Battery cell assembly and method for coupling a cooling fin to first and second cooling manifolds
US9484559B2 (en) 2014-10-10 2016-11-01 Lg Chem, Ltd. Battery cell assembly
US9605914B2 (en) 2012-03-29 2017-03-28 Lg Chem, Ltd. Battery system and method of assembling the battery system
US9627724B2 (en) 2014-12-04 2017-04-18 Lg Chem, Ltd. Battery pack having a cooling plate assembly
US9647292B2 (en) 2013-04-12 2017-05-09 Lg Chem, Ltd. Battery cell assembly and method for manufacturing a cooling fin for the battery cell assembly
US9759495B2 (en) 2008-06-30 2017-09-12 Lg Chem, Ltd. Battery cell assembly having heat exchanger with serpentine flow path
US9786894B2 (en) 2014-11-03 2017-10-10 Lg Chem, Ltd. Battery pack
US10084218B2 (en) 2014-05-09 2018-09-25 Lg Chem, Ltd. Battery pack and method of assembling the battery pack
US10770762B2 (en) 2014-05-09 2020-09-08 Lg Chem, Ltd. Battery module and method of assembling the battery module

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4774783B2 (en) * 2005-03-30 2011-09-14 トヨタ自動車株式会社 Drive battery pack mounting structure
JP4363350B2 (en) * 2005-03-30 2009-11-11 トヨタ自動車株式会社 Secondary battery cooling structure
JP4375352B2 (en) * 2006-04-19 2009-12-02 ソニー株式会社 Battery charger
JP4940749B2 (en) * 2006-04-28 2012-05-30 トヨタ自動車株式会社 Power supply device mounting structure
JP4390802B2 (en) * 2006-12-15 2009-12-24 トヨタ自動車株式会社 In-vehicle battery cooling structure
US7905308B2 (en) * 2007-11-12 2011-03-15 Honda Motor Co., Ltd. Vehicle battery cooling device
JP4386131B2 (en) 2007-12-05 2009-12-16 三菱自動車工業株式会社 Electric car
JP4577413B2 (en) * 2008-06-20 2010-11-10 トヨタ自動車株式会社 vehicle
DE102008051085A1 (en) * 2008-10-09 2010-04-15 Dr.Ing.H.C.F.Porsche Aktiengesellschaft battery assembly
JP4919102B2 (en) * 2008-11-17 2012-04-18 本田技研工業株式会社 Cooling structure for power supply unit for vehicle
US9300168B2 (en) * 2008-11-18 2016-03-29 Derek S. Elleman Hybrid power system for a vehicle
MX2011008831A (en) * 2009-02-24 2011-09-21 Nissan Motor Battery installation structure.
DE112010003092T5 (en) * 2009-07-27 2012-05-31 Honda Motor Co., Ltd. Mounting structure for electrical vehicle equipment
DE102009037012A1 (en) * 2009-08-07 2011-02-10 Volkswagen Ag Battery unit for use below rear seat system for supplying energy to electric motor in hybrid vehicle, has battery channel including exhaust pipe channel in which exhaust pipe is arranged, where exhaust pipe includes linear characteristic
JP5162561B2 (en) * 2009-10-21 2013-03-13 美浜株式会社 Air conditioning system
DE102010007632A1 (en) * 2010-02-05 2011-08-11 Dr. Ing. h.c. F. Porsche Aktiengesellschaft, 70435 hybrid vehicle
DE102010007633A1 (en) * 2010-02-05 2011-08-11 Dr. Ing. h.c. F. Porsche Aktiengesellschaft, 70435 Vehicle with electric drive device
US20110162901A1 (en) * 2010-03-24 2011-07-07 Ford Global Technologies, Llc Cooling air duct for electric vehicle
US8118354B2 (en) * 2010-05-12 2012-02-21 Ford Global Technologies, Llc Collapsible under-seat exhaust duct for battery compartment
US9914336B2 (en) * 2010-06-24 2018-03-13 Ford Global Technologies, Llc Electric compartment cooling apparatus and method
US20110165832A1 (en) * 2010-08-25 2011-07-07 Ford Global Technologies, Llc Electric compartment exhaust duct with enhanced air cooling features
KR101180954B1 (en) * 2010-12-03 2012-09-07 기아자동차주식회사 High voltage battery cooling system of vehicle
US8833499B2 (en) 2010-12-22 2014-09-16 Tesla Motors, Inc. Integration system for a vehicle battery pack
US8875828B2 (en) 2010-12-22 2014-11-04 Tesla Motors, Inc. Vehicle battery pack thermal barrier
US20120161472A1 (en) 2010-12-22 2012-06-28 Tesla Motors, Inc. System for Absorbing and Distributing Side Impact Energy Utilizing an Integrated Battery Pack
DE102011010451A1 (en) * 2011-02-05 2012-08-09 Daimler Ag Vehicle e.g. electrically propelled vehicle, has heat guide device including heat guide element that is coupled with heat guide plates, where heat guide element forms part of housing of energy storage unit
CN103338956B (en) * 2011-08-30 2016-04-13 丰田自动车株式会社 Vehicle
KR101252211B1 (en) * 2011-09-26 2013-04-05 기아자동차주식회사 High voltage battery pack apparatus for vehicle
DE102011114772A1 (en) * 2011-10-01 2013-04-04 Volkswagen Aktiengesellschaft Vehicle i.e. hybrid vehicle, has electrical storage element arranged in open hollow section, and exhaust system arranged below storage element in vehicle tunnel or directly and partially below storage element
JP5713115B2 (en) 2011-11-04 2015-05-07 三菱自動車工業株式会社 Exhaust pipe structure of hybrid car
DE102011086246A1 (en) * 2011-11-14 2013-05-16 Sb Limotive Company Ltd. Battery system and motor vehicle
US9187052B2 (en) * 2011-11-16 2015-11-17 Toyota Jidosha Kabushiki Kaisha Vehicle
KR101316432B1 (en) * 2011-12-01 2013-10-08 기아자동차주식회사 Battery pack mounting structure of vehicle
US8720192B2 (en) * 2012-05-03 2014-05-13 GM Global Technology Operations LLC Engine off particulate filter (“PF”) regeneration using a plurality of secondary energy storage devices
US8978370B2 (en) * 2012-05-03 2015-03-17 GM Global Technology Operations LLC Engine off particulate filter (“PF”) regeneration using a single secondary energy storage device
JP5983054B2 (en) * 2012-06-04 2016-08-31 スズキ株式会社 Hybrid vehicle battery pack cooling structure
EP2860053B1 (en) * 2012-06-12 2016-07-06 Nissan Motor Company, Limited Gas discharge structure for battery cover
FR2993046B1 (en) * 2012-07-05 2018-07-20 Psa Automobiles Sa. BATTERY COMPARTMENT COMPRISING A HEATER PROVIDED NEAR AN EXHAUST LINE
RU2015114587A (en) * 2012-09-18 2016-11-10 Ниссан Мотор Ко., Лтд. ELECTRIC VEHICLE WIRING HARNESS DESIGN
KR102076168B1 (en) * 2012-10-15 2020-02-11 에스케이이노베이션 주식회사 Battery module assembly
JP5870457B2 (en) * 2012-11-08 2016-03-01 本田技研工業株式会社 Electric vehicle
US10020531B2 (en) 2013-03-14 2018-07-10 Enerdel, Inc. Battery system with internal cooling passages
US9067486B2 (en) * 2013-08-30 2015-06-30 Ford Global Technologies, Llc Air cooling system for high voltage battery cell arrays
KR101601142B1 (en) 2013-10-18 2016-03-08 주식회사 엘지화학 Heat sink having 2 or more separated cooling way with insulation material
JP6176065B2 (en) * 2013-11-08 2017-08-09 日産自動車株式会社 Battery temperature control device
KR101594385B1 (en) * 2013-12-30 2016-02-16 갑을오토텍(주) Battery cooling system having heat exchanger
US10493834B2 (en) * 2014-11-07 2019-12-03 Honda Motor Co., Ltd. Vehicle
DE102015224082B4 (en) * 2015-12-02 2022-01-13 Mahle International Gmbh heat exchanger
JP6310951B2 (en) * 2016-01-27 2018-04-11 株式会社豊田自動織機 vehicle
JP6729031B2 (en) * 2016-06-16 2020-07-22 トヨタ自動車株式会社 Battery pack
JP6670888B2 (en) * 2018-05-31 2020-03-25 本田技研工業株式会社 Battery fixing structure
JP7033730B2 (en) * 2018-07-11 2022-03-11 パナソニックＩｐマネジメント株式会社 Cooling device, battery temperature control system and vehicle
CN108973637B (en) * 2018-07-20 2019-11-05 重庆得润汽车电子研究院有限公司 A kind of new-energy automobile buckle-type battery pack arragement construction
JP7147718B2 (en) * 2019-08-26 2022-10-05 トヨタ自動車株式会社 vehicle
JP7447726B2 (en) * 2020-07-30 2024-03-12 トヨタ自動車株式会社 Power storage device
US20240092158A1 (en) * 2022-09-19 2024-03-21 The Braun Corporation Powered vehicle modification and method of assembly thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000245015A (en) * 1999-02-22 2000-09-08 Nissan Motor Co Ltd Battery cooling duct attaching structure
JP2003300419A (en) * 2002-04-10 2003-10-21 Toyota Motor Corp Battery mounting structure for vehicle
JP2003326980A (en) * 2002-05-10 2003-11-19 Toyota Motor Corp Loading structure for vehicle battery and exhaust pipe
WO2004071798A1 (en) * 2003-02-13 2004-08-26 Toyota Jidosha Kabushiki Kaisha Mounting structure for vehicular electrical equipment

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3498636B2 (en) 1999-06-09 2004-02-16 日産自動車株式会社 Battery mounting structure for electric vehicles
JP3369514B2 (en) 1999-07-05 2003-01-20 本田技研工業株式会社 Intake and exhaust system equipment for air cooling system of PDU and downverter
JP3879339B2 (en) * 1999-11-17 2007-02-14 マツダ株式会社 Lower body structure of the vehicle
CN1127416C (en) * 2000-11-03 2003-11-12 深圳明华环保汽车有限公司 Composite electric enviromental protection automobile
JP3531816B2 (en) * 2001-06-06 2004-05-31 本田技研工業株式会社 Heat insulation device for vehicle floor
JP4105033B2 (en) * 2003-05-21 2008-06-18 本田技研工業株式会社 In-vehicle structure of high-voltage components
JP4121898B2 (en) * 2003-05-21 2008-07-23 本田技研工業株式会社 In-vehicle structure of high-voltage components
US20060046894A1 (en) * 2004-08-09 2006-03-02 Kyle Ronald L Hybrid vehicle with exhaust powered turbo generator
KR20060027578A (en) * 2004-09-23 2006-03-28 삼성에스디아이 주식회사 System for controlling temperature of secondary battery module
JP2006216303A (en) * 2005-02-02 2006-08-17 Denso Corp Cooling structure of heat radiating unit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000245015A (en) * 1999-02-22 2000-09-08 Nissan Motor Co Ltd Battery cooling duct attaching structure
JP2003300419A (en) * 2002-04-10 2003-10-21 Toyota Motor Corp Battery mounting structure for vehicle
JP2003326980A (en) * 2002-05-10 2003-11-19 Toyota Motor Corp Loading structure for vehicle battery and exhaust pipe
WO2004071798A1 (en) * 2003-02-13 2004-08-26 Toyota Jidosha Kabushiki Kaisha Mounting structure for vehicular electrical equipment

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 12 3 January 2001 (2001-01-03) *
PATENT ABSTRACTS OF JAPAN vol. 2003, no. 12 5 December 2003 (2003-12-05) *

Cited By (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2194595A4 (en) * 2007-09-28 2012-01-25 Mitsubishi Motors Corp Battery unit
EP2194595A1 (en) * 2007-09-28 2010-06-09 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Battery unit
EP2240979A2 (en) * 2008-01-18 2010-10-20 LG Chem, Ltd. Battery cell assembly and method for assembling the battery cell assembly
EP2240979A4 (en) * 2008-01-18 2012-01-25 Lg Chemical Ltd Battery cell assembly and method for assembling the battery cell assembly
US8628872B2 (en) 2008-01-18 2014-01-14 Lg Chem, Ltd. Battery cell assembly and method for assembling the battery cell assembly
US9759495B2 (en) 2008-06-30 2017-09-12 Lg Chem, Ltd. Battery cell assembly having heat exchanger with serpentine flow path
US8486552B2 (en) 2008-06-30 2013-07-16 Lg Chem, Ltd. Battery module having cooling manifold with ported screws and method for cooling the battery module
US8663829B2 (en) 2009-04-30 2014-03-04 Lg Chem, Ltd. Battery systems, battery modules, and method for cooling a battery module
US8403030B2 (en) 2009-04-30 2013-03-26 Lg Chem, Ltd. Cooling manifold
US8399118B2 (en) 2009-07-29 2013-03-19 Lg Chem, Ltd. Battery module and method for cooling the battery module
US8399119B2 (en) 2009-08-28 2013-03-19 Lg Chem, Ltd. Battery module and method for cooling the battery module
US8662153B2 (en) 2010-10-04 2014-03-04 Lg Chem, Ltd. Battery cell assembly, heat exchanger, and method for manufacturing the heat exchanger
US9209499B2 (en) 2011-09-01 2015-12-08 Samsung Sdi Co., Ltd. Battery pack
US8722223B2 (en) 2011-09-01 2014-05-13 Samsung Sdi Co., Ltd. Battery pack
EP2565960A1 (en) * 2011-09-01 2013-03-06 Samsung SDI Co., Ltd. Battery pack
US9605914B2 (en) 2012-03-29 2017-03-28 Lg Chem, Ltd. Battery system and method of assembling the battery system
US9379420B2 (en) 2012-03-29 2016-06-28 Lg Chem, Ltd. Battery system and method for cooling the battery system
US9105950B2 (en) 2012-03-29 2015-08-11 Lg Chem, Ltd. Battery system having an evaporative cooling member with a plate portion and a method for cooling the battery system
US8852781B2 (en) 2012-05-19 2014-10-07 Lg Chem, Ltd. Battery cell assembly and method for manufacturing a cooling fin for the battery cell assembly
US9306199B2 (en) 2012-08-16 2016-04-05 Lg Chem, Ltd. Battery module and method for assembling the battery module
US9083066B2 (en) 2012-11-27 2015-07-14 Lg Chem, Ltd. Battery system and method for cooling a battery cell assembly
US8852783B2 (en) 2013-02-13 2014-10-07 Lg Chem, Ltd. Battery cell assembly and method for manufacturing the battery cell assembly
US9647292B2 (en) 2013-04-12 2017-05-09 Lg Chem, Ltd. Battery cell assembly and method for manufacturing a cooling fin for the battery cell assembly
EP2797159A1 (en) * 2013-04-24 2014-10-29 Samsung SDI Co., Ltd. Battery pack
US9499068B2 (en) 2013-05-29 2016-11-22 Samsung Sdi Co., Ltd. Battery pack
EP2808936A1 (en) * 2013-05-29 2014-12-03 Samsung SDI Co., Ltd. Battery pack
US9184424B2 (en) 2013-07-08 2015-11-10 Lg Chem, Ltd. Battery assembly
JP2013256288A (en) * 2013-08-08 2013-12-26 Mitsubishi Motors Corp Control device of vehicle air-conditioner system
US9257732B2 (en) 2013-10-22 2016-02-09 Lg Chem, Ltd. Battery cell assembly
US9444124B2 (en) 2014-01-23 2016-09-13 Lg Chem, Ltd. Battery cell assembly and method for coupling a cooling fin to first and second cooling manifolds
US10084218B2 (en) 2014-05-09 2018-09-25 Lg Chem, Ltd. Battery pack and method of assembling the battery pack
US10770762B2 (en) 2014-05-09 2020-09-08 Lg Chem, Ltd. Battery module and method of assembling the battery module
US9484559B2 (en) 2014-10-10 2016-11-01 Lg Chem, Ltd. Battery cell assembly
US9412980B2 (en) 2014-10-17 2016-08-09 Lg Chem, Ltd. Battery cell assembly
US9786894B2 (en) 2014-11-03 2017-10-10 Lg Chem, Ltd. Battery pack
US9627724B2 (en) 2014-12-04 2017-04-18 Lg Chem, Ltd. Battery pack having a cooling plate assembly

Also Published As

Publication number Publication date
JP2007022139A (en) 2007-02-01
CN100569549C (en) 2009-12-16
EP1901935B1 (en) 2011-07-27
KR100945888B1 (en) 2010-03-05
US7823672B2 (en) 2010-11-02
EP1901935A1 (en) 2008-03-26
KR20080032171A (en) 2008-04-14
US20080164081A1 (en) 2008-07-10
CN101218118A (en) 2008-07-09
JP4415910B2 (en) 2010-02-17

Similar Documents

Publication Publication Date Title
US7823672B2 (en) Structure of hybrid vehicle
JP2007022139A5 (en)
EP3505732B1 (en) Engine exhaust device
US9109482B2 (en) Front end exhaust system
JP4390802B2 (en) In-vehicle battery cooling structure
JPWO2013084935A1 (en) In-vehicle structure of battery pack
JP2006182264A (en) Exhaust device for hybrid vehicle
CN108571369B (en) Exhaust device of engine
TWI284609B (en) Fuel cell vehicle
JP4631177B2 (en) Vehicle battery cooling system
JP2011079411A (en) Battery cooling structure of vehicle
JP2003249202A (en) Collective battery and battery system
CN111033014B (en) Engine for vehicle
US20120328928A1 (en) Battery cooling structure of vehicle
JPH06159045A (en) Exhaust pipe arranging structure for vehicle
JP6515967B2 (en) Powertrain unit for vehicle
US7926264B2 (en) Vehicle exhaust system
JP3566932B2 (en) Exhaust gas purification device
JP7375604B2 (en) Engine exhaust circulation system
JP3521714B2 (en) Exhaust system for V-type internal combustion engine
JP2019039348A (en) Exhaust system for vehicle
CN220615959U (en) Threshold beam and vehicle
EP3339074B1 (en) Vehicle body structure
JP2024064737A (en) Battery device
JPH04350319A (en) Exhaust device for car

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 200680025016.1

Country of ref document: CN

DPE2 Request for preliminary examination filed before expiration of 19th month from priority date (pct application filed from 20040101)
121 Ep: the epo has been informed by wipo that ep was designated in this application
WWE Wipo information: entry into national phase

Ref document number: 11884929

Country of ref document: US

WWE Wipo information: entry into national phase

Ref document number: 2006747295

Country of ref document: EP

NENP Non-entry into the national phase

Ref country code: DE

WWE Wipo information: entry into national phase

Ref document number: 1020087003255

Country of ref document: KR