WO2011074335A1 - 蓄電装置の冷却構造 - Google Patents
蓄電装置の冷却構造 Download PDFInfo
- Publication number
- WO2011074335A1 WO2011074335A1 PCT/JP2010/069280 JP2010069280W WO2011074335A1 WO 2011074335 A1 WO2011074335 A1 WO 2011074335A1 JP 2010069280 W JP2010069280 W JP 2010069280W WO 2011074335 A1 WO2011074335 A1 WO 2011074335A1
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- WIPO (PCT)
- Prior art keywords
- storage device
- power storage
- cover
- cooling structure
- vehicle
- Prior art date
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- 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
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
- B60L1/003—Supplying electric power to auxiliary equipment of vehicles to auxiliary motors, e.g. for pumps, compressors
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- 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
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- 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
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- 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
- B60K11/06—Arrangement in connection with cooling of propulsion units with air cooling
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- 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
- B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
- B60L50/16—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with provision for separate direct mechanical propulsion
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- 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
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- 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
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- 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
- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
- B60L58/21—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having the same nominal voltage
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
- B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
- B60K2001/0416—Arrangement in the rear part of the vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
- B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
- B60K2001/0438—Arrangement under the floor
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- 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
- B60L2210/00—Converter types
- B60L2210/40—DC to AC converters
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- 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
- B60L2240/10—Vehicle control parameters
- B60L2240/34—Cabin temperature
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- 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
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- 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
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- 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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- 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
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- Y02T10/60—Other road transportation technologies with climate change mitigation effect
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- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
Definitions
- the present invention relates to a cooling structure for a power storage device, and more particularly to a cooling structure for a power storage device for a vehicle mounted on a hybrid vehicle or an electric vehicle.
- hybrid vehicles and electric vehicles have been widely put into practical use.
- Such a hybrid vehicle is equipped with a large-capacity power storage device that supplies electric power to an electric motor or the like.
- a battery that can be repeatedly charged and discharged is used for the power storage device, and heat is radiated each time the battery is charged and discharged.
- the air in the passenger compartment cooled by the air conditioner is supplied via the intake duct (cooling air passage) to cool the battery.
- the intake port of the intake duct is disposed relatively near the battery. For example, it is conceivable to provide an air inlet in the garnish next to the rear seat or in the rear seat itself.
- Patent Document 1 when a battery is mounted on the floor surface of the luggage space in a so-called hatchback vehicle or wagon vehicle, a tonneau cover is disposed so that the intake port is not blocked by the loaded luggage. It is disclosed that an intake port is provided in a luggage side rim shelf located above the position.
- the present invention has been made in view of such a background, and even when mounted on a small vehicle having a short distance from the rear seat to the rear end of the vehicle, while ensuring a living space in the vehicle interior,
- An object is to provide a cooling structure with good cooling efficiency.
- a cooling structure for a power storage device has a cooling air passage having an intake port that is opened in a vehicle compartment and extending between the intake port and the power storage device in order to cool a power storage device mounted on a vehicle. And a cover that is disposed so as to cover the intake port and has a hole that communicates the vehicle interior with the cooling air passage, and is positioned obliquely behind the rear seat in the vehicle interior. It is characterized in that the intake port is arranged so that the opening inclines toward the vehicle interior side at one side portion of the vehicle interior behind the pillar in the vicinity.
- the air intake is disposed on one side of the rear passenger compartment close to the pillar located obliquely behind the rear seat, the presence of the air intake does not affect the living space in the passenger compartment. Furthermore, even when the distance between the rear seat and the rear end of the vehicle is a small vehicle, the air intake can be arranged with good appearance. Further, since the intake sound of the cooling air sucked into the cooling air passage from the passenger compartment through the hole of the cover is blocked by the pillars, the noise heard by the passenger seated in the rear seat is reduced.
- the cooling air in the vehicle interior is not sufficiently introduced into the cooling air passage due to being disturbed by the pillar, but in the cooling structure of the present invention, the opening is inclined toward the vehicle interior side. An air inlet is provided. Thereby, the cooling air in the vehicle interior can be sufficiently introduced into the cooling air passage, and the cooling efficiency of the power storage device is improved.
- the passenger compartment of the present invention includes a cargo compartment that is continuous with the passenger compartment.
- the cover is provided on a horizontal surface portion of a garnish that supports the windshield behind the pillar, and the hole is formed in the horizontal surface of the cover. In this case, the cover and the hole can be easily provided.
- the pillar portion located in front of the cover is cut out.
- the cooling air in the passenger compartment can be further introduced into the cooling air passage, and the cooling efficiency of the power storage device is further improved.
- the cooling air passage is disposed along the upper surface of the floor panel so as to pass through one side portion of the vehicle interior, and a heat insulating material is disposed around the cooling air passage.
- the cooling air passage does not protrude into the vehicle interior, a sufficient living space in the vehicle interior can be secured. Furthermore, even when the temperature around the cooling air passage is high, the heat transfer from the outside to the inside of the cooling air passage is suppressed, and the temperature rise of the cooling air passing through the cooling air passage is suppressed. The cooling efficiency is further improved.
- a cross-sectional area of the cooling air passage increases from the air inlet to the power storage device. In this case, the pressure loss (flow resistance) of the cooling air in the cooling air passage can be reduced, and the cooling efficiency of the power storage device is further improved.
- the cooling air passage is provided so as to connect the intake port and the power storage device with the shortest distance.
- the pressure loss of the cooling air in the cooling air passage can be reduced, and the cooling efficiency of the power storage device is further improved.
- the cover is positioned away from the intake port, and another hole for communicating the vehicle interior and the cooling air passage is formed on a vehicle inner side surface of the cover.
- the cooling air can be introduced into the cooling air passage from the vehicle interior side via the hole, and the cooling efficiency of the power storage device is further improved.
- the pillar portion positioned in front of the cover is notched so as to be inclined rearward.
- the cooling air in the passenger compartment can be further introduced into the cooling air passage while ensuring the strength of the pillar, and the cooling efficiency of the power storage device is further improved.
- the heat insulating material is a non-woven fabric and is bonded to the cooling air passage using ultrasonic welding.
- the heat insulating material can be bonded without leaving adhesion marks inside the cooling air passage or without a hole in the cooling air passage, and the intake noise does not increase.
- a vehicle 1 is a hybrid vehicle including an internal combustion engine such as a gasoline engine or a diesel engine and an electric motor (motor / generator) as a power generation source.
- the vehicle 1 is configured to be able to drive an axle through a power transmission device (transmission) with the power of an internal combustion engine and / or an electric motor. Further, the vehicle 1 is configured to transmit power from the internal combustion engine and / or the axle to the electric motor so that the regenerative operation can be performed by the electric motor.
- the vehicle 1 is a small hatchback vehicle equipped with a flip-up rear door (hatch) and a flip-up rear window (glass hatch), and is mainly equipped with a passenger compartment 2 and a luggage compartment.
- This is a two-box vehicle that is not separated from the cargo space 3 that is a space to be used.
- the vehicle 1 includes a front seat 4 and a rear seat 5 in which passengers can be seated in a passenger compartment 2, and corresponding to the front seat 4 and the rear seat 5.
- a door for the rear seat and a door for the rear seat are provided.
- the luggage compartment 3 is disposed behind the rear seat 5.
- both the compartment 2 including the luggage compartment 3 in the compartment 2 are collectively referred to as the compartment 2.
- a plurality of pillars (supports) that support the roof and the roof panel and constitute the cabin are provided on both the left and right sides of the vehicle 1.
- an A pillar 6 also called a front pillar
- a B pillar 7 also called a center pillar
- a C pillar 8 also called a quarter pillar
- a D pillar 9 also called a rear pillar or a tail gate pillar are provided in order from the front.
- a front glass (front windshield) 10 is provided on the front side of the A pillars 6 on both sides, and a rear water glass (rear water windshield) 11 is provided between the C pillars 8 and the D pillars 9 on both sides.
- the A pillar 6 is between the windshield 10 and the front seat door
- the B pillar 7 is between the front seat door and the rear seat door
- the C pillar 8 is the rear seat door door glass and the rear. Each is located between the quarter glass 11.
- an air conditioner (air conditioner) 12 for introducing a temperature-controlled airflow toward the rear in the passenger compartment 2 is disposed in the instrument panel.
- the cooling structure of the power storage device is for cooling an intelligent power unit (hereinafter referred to as “IPU”) 13 mounted on the vehicle 1, and is opened in the passenger compartment 2. And an intake duct 15 extending between the intake opening 14 and the IPU 13 and a hole 16a (see FIG. 5) that is disposed so as to cover the intake opening 14 and communicates between the interior of the passenger compartment 2 and the intake duct 15. 2) is formed.
- IPU intelligent power unit
- the IPU 13 is electrically connected to the electric motor and includes a battery (DC power supply, secondary battery) as a power storage device and a power control unit (hereinafter referred to as “PCU”).
- the IPU 13 is disposed below the floor board 17 in the luggage compartment 3 and above the floor panel 18.
- the battery is composed of a battery module in which a plurality of battery cells such as lithium ion batteries and nickel metal hydride batteries are connected in series.
- the PCU is, for example, a power drive unit (hereinafter referred to as “PDU”), voltage conversion, etc.
- the PDU is a motor drive circuit.
- the voltage conversion unit includes an inverter that performs DC / AC voltage conversion between the electric motor and the battery, and a DC / DC converter that performs step-up / step-down of the AC voltage.
- the ECU is electrically connected to each component of the vehicle 1 such as a PDU, an internal combustion engine, an electric motor, and a power transmission device, and controls these components.
- the ECU is an electronic circuit unit including a CPU (Central Processing Unit), a RAM (Random Access Memory), a ROM (Read Only Memory), an interface circuit, and the like.
- the temperature of the IPU 13 rises due to heat generated by the chemical reaction of the battery cells, Joule heat, and heat generated by a heating element called a power semiconductor included in the PCU.
- a heating element called a power semiconductor included in the PCU.
- the battery in the IPU 13 has an adverse effect such as performance deterioration or shortening of the life, and thus needs to be cooled. Therefore, air in the passenger compartment 2 having a relatively low temperature or cooled air supplied from the air conditioner (hereinafter referred to as “cooling air”) is introduced into the IPU 13 through the cover 16 and the intake duct 15. By doing so, the IPU 13 is cooled.
- an exhaust duct is provided as an air passage for discharging the air whose temperature has increased in the IPU 13 to the outside of the vehicle 1.
- the exhaust duct is provided with a retractable fan that sucks air from the IPU 13 side, for example, a sirocco fan.
- a push-type fan that supplies cooling air toward the IPU 13 may be provided in the intake duct 15.
- the intake duct 15 is a cooling air passage for taking cooling air in the passenger compartment 2 as cooling air from the intake port 14 through the hole 16a of the cover 16 and sending it to the IPU 13.
- the intake duct 15 is configured from a single member made of resin or a plurality of members connected to each other.
- the intake duct 15 is a tubular member having a substantially circular cross-sectional outer shape, and an opening located at one end thereof is an intake port 14.
- the air inlet 14 is disposed on one side in the rear compartment 2 adjacent to the C pillar 8.
- the opening located at the other end of the intake duct 15 is connected to the casing of the IPU 13.
- the cross-sectional outer shape of the intake duct 15 is not limited to a substantially circular shape, and may be an appropriate shape such as an elliptical shape, a rectangular shape, or a polygonal shape other than the rectangular shape.
- the air in the exhaust duct is discharged out of the vehicle 1.
- an air flow as indicated by an arrow in FIG. 1 is generated in the intake duct 15, and the cooling air in the passenger compartment 2 is supplied to the IPU 13 through the cover 16 and the intake duct 15, and is supplied from a battery in the IPU 13.
- the IPU 13 is cooled by taking away the generated heat.
- the cover 16 is disposed on one side in the rear compartment 2 close to the C pillar 8 so as to cover the air inlet 14.
- the cover 16 is incorporated in a part of a rear quarter garnish 19 that is a resin-made interior component that supports the rear water glass 11 so as to cover the air inlet 14.
- the cover 16 has a substantially horizontal horizontal plane wall 16b facing the inside of the passenger compartment 2, and is disposed with a gap between the horizontal plane wall 16b and the intake port.
- a hole 16a that allows communication between the interior of the passenger compartment 2 and the intake duct 15 is formed so as to penetrate from the front surface to the back surface.
- a large number of rectangular holes 16a are arranged in a lattice pattern.
- the number of holes 16a may be one or a small number, and may be formed in an appropriate shape such as a circular shape, an elliptical shape, or a polygonal shape other than a rectangular shape.
- the air inlet 14 and the cover 16 are arranged on one side in the rear compartment 2 close to the C pillar 8, the distance between the rear seat 5 and the rear end of the vehicle 1 is a small vehicle.
- the cover 16 and the air inlet 14 can be arranged with a good appearance and a good appearance.
- the intake port 14 is arranged behind the C pillar 8, the intake sound of the cooling air sucked into the intake duct 15 is blocked by the C pillar 8 to be soundproofed, so that an occupant seated in the rear seat 5 can hear it. Noise is reduced.
- the intake port 14 is arranged behind the C pillar 8, there is a possibility that the cooling air in the passenger compartment 2 is not sufficiently introduced into the intake duct 15 due to the C pillar 8. Therefore, the intake port 14 is configured as an opening formed so as to be inclined toward the inside of the passenger compartment 2 from above. Thereby, the cooling air in the passenger compartment 2 can be sufficiently introduced into the intake duct 15.
- the portion of the C pillar 8 located in front of the cover 16 is cut away.
- the notch 8a is formed so that the C pillar 8 is inclined rearward. Thereby, since the cooling air flows along the notch 8a, the cooling air can be further introduced into the intake duct 15.
- the C-pillar 8 located in front of the cover 16 is formed on the portion of the C pillar 8 so that the vehicle inner portion is uniformly thinned.
- a notch may be formed.
- a cutout may be formed only in a part of the inner side portion of the C pillar 8 on the rear side of the vehicle 1.
- the intake duct 15 is curved as a whole in consideration of mounting on the vehicle 1, but the intake port 14 and the IPU 13 are connected at the shortest distance as much as possible, and a sharp bent portion is present. It is formed so as to extend as straight as possible. Specifically, the intake duct 15 extends downward from the intake port 14 so as to pass through one side of the vehicle 1, and then extends along the upper surface of the floor panel 17.
- the intake duct 15 does not protrude into the passenger compartment 2, a sufficient living space in the passenger compartment 2 can be secured. Furthermore, the pressure loss (flow resistance) of the cooling air can be reduced, and the IPU 13 can be cooled more efficiently.
- the intake duct 15 is formed so that its cross-sectional area increases from the intake port 14 to the IPU 13. Thereby, the pressure loss (flow resistance) of cooling air can be further reduced, and the IPU 13 can be cooled more efficiently.
- a heat insulating material 20 made of glass fiber, non-woven fabric, or the like is disposed around the outer surface of the intake duct 15 to insulate between the space in the intake duct 15 and the space around the intake duct 15.
- Thinsulate (registered trademark, manufactured by Sumitomo 3M Co., Ltd.), which is a non-woven heat insulating material obtained by reinforcing ultrafine fibers of polypropylene (PP) with polyester fibers, is used. And the intake duct 15 and the heat insulating material 20 are adhere
- the cover 16A is formed with a side wall 16c located on the vehicle interior side side through another hole 16d that allows the interior of the vehicle compartment 2 and the intake duct 15 to communicate from the front surface to the back surface.
- a large number of rectangular holes 16d are arranged in a lattice pattern. Thereby, cooling air can be introduced into the intake duct 15 also from the inside of the passenger compartment 2.
- the number of holes 16d may be one or a small number, and may be formed in an appropriate shape such as a circular shape, an elliptical shape, or a polygonal shape other than a rectangular shape. Further, the portion where the hole 16a is formed and the portion where the hole 16d is formed may be continuous.
- the power storage device cooling structure according to the embodiment of the present invention has been described above, but the power storage device cooling structure according to the present invention is not limited to the illustrated embodiment, and can be variously modified as appropriate.
- the cooling structure of the power storage device is mounted on the vehicle 1 that is a hybrid vehicle.
- vehicle on which the cooling structure for the power storage device according to the present invention is mounted is not limited to this, and may be an electric vehicle or a fuel cell vehicle.
- the power storage device is not limited to the IPU 13.
- the battery may be cooled.
- the capacitor may be cooled instead of the battery or together with the battery.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Manufacturing & Machinery (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Hybrid Electric Vehicles (AREA)
- Secondary Cells (AREA)
Abstract
Description
PCUは、例えば、パワー・ドライブ・ユニット(以下、「PDU」という)、電圧変換ユニット、電子制御ユニット(以下、「ECU」という)等から構成されている。PDUは、電動機の駆動回路である。電圧変換ユニットは、電動機とバッテリとの間において直流・交流電圧変換を行うインバータや、交流電圧の昇降圧を行うDC/DCコンバータを含む。ECUは、PDU、内燃機関、電動機、動力伝達装置等の車両1の各構成要素に電気的に接続されており、これら各構成要素を制御する。ECUは、CPU(Central Processing Unit)、RAM(Random Access Memory)、ROM(Read Only Memory)、インターフェイス回路等を含む電子回路ユニットである。
Claims (9)
- 車両に搭載される蓄電装置を冷却するために、車室内に開口された吸気口を有し、該吸気口と前記蓄電装置との間で延びる冷却風通路と、前記吸気口を覆うように配置され、前記車室内と前記冷却風通路とを連通させる孔が形成されたカバーとを備えた冷却構造であって、
前記車室内で後部座席斜め後方に位置するピラーに近接する後方の車室内一側部において、前記吸気口を車室内側に向けて開口が傾斜するように配置したことを特徴とする蓄電装置の冷却構造。 - 前記ピラー後方のウインドシールドを支持するガーニッシュの水平面部に前記カバーを設け、該カバーの水平面に前記孔を形成したことを特徴とする請求項1に記載の蓄電装置の冷却構造。
- 前記カバーの前方に位置する前記ピラーの部分を切り欠いたことを特徴とする請求項1又は2に記載の蓄電装置の冷却構造。
- 前記冷却風通路を、フロアパネル上面に沿い、前記車室内の一側部を通るよう配設すると共に、前記冷却風通路の周りに断熱材を配設したことを特徴とする請求項1から3のいずれか1項に記載の蓄電装置の冷却構造。
- 前記冷却風通路の断面積が、前記吸気口から前記蓄電装置にかけて拡大することを特徴とする請求項1から4のいずれか1項に記載の蓄電装置の冷却構造。
- 前記冷却風通路を、前記吸気口と前記蓄電装置との間を最短距離で結ぶように設けることを特徴とする請求項1から5のいずれか1項に記載の蓄電装置の冷却構造。
- 前記カバーを前記吸気口から離して位置させ、前記カバーの車両内側側面に、前記車室内と前記冷却風通路とを連通させる別の孔を形成したことを特徴とする請求項2に記載の蓄電装置の冷却構造。
- 前記カバーの前方に位置する前記ピラーの部分を後方に向けて傾斜するように切り欠いたことを特徴とする請求項3に記載の蓄電装置の冷却構造。
- 前記断熱材は、不織布であり、超音波溶着を用いて前記冷却風通路に接着されていることを特徴とする請求項4に記載の蓄電装置の冷却構造。
Priority Applications (6)
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RU2012129960/11A RU2505425C1 (ru) | 2009-12-14 | 2010-10-29 | Охлаждающая конструкция для устройства накопления электроэнергии |
BR112012014434A BR112012014434A2 (pt) | 2009-12-14 | 2010-10-29 | estrutura de refrigeração para dispositivo de armazenamento de eletricidade |
US13/512,216 US8684118B2 (en) | 2009-12-14 | 2010-10-29 | Cooling structure for electricity storage device |
CN201080056434.3A CN102652073B (zh) | 2009-12-14 | 2010-10-29 | 蓄电装置的冷却结构 |
JP2011546031A JP5475008B2 (ja) | 2009-12-14 | 2010-10-29 | 蓄電装置の冷却構造 |
DE112010004795.2T DE112010004795B4 (de) | 2009-12-14 | 2010-10-29 | Kühlstruktur für eine Elektrizitätsspeichervorrichtung |
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JP2009282842 | 2009-12-14 | ||
JP2009-282842 | 2009-12-14 |
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JP (1) | JP5475008B2 (ja) |
CN (1) | CN102652073B (ja) |
BR (1) | BR112012014434A2 (ja) |
DE (1) | DE112010004795B4 (ja) |
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Also Published As
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JP5475008B2 (ja) | 2014-04-16 |
BR112012014434A2 (pt) | 2017-04-04 |
JPWO2011074335A1 (ja) | 2013-04-25 |
DE112010004795T5 (de) | 2012-11-15 |
CN102652073B (zh) | 2014-12-10 |
RU2505425C1 (ru) | 2014-01-27 |
CN102652073A (zh) | 2012-08-29 |
DE112010004795B4 (de) | 2020-11-05 |
US8684118B2 (en) | 2014-04-01 |
US20120247848A1 (en) | 2012-10-04 |
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