WO2009098953A1 - 車両用電源装置 - Google Patents
車両用電源装置 Download PDFInfo
- Publication number
- WO2009098953A1 WO2009098953A1 PCT/JP2009/051099 JP2009051099W WO2009098953A1 WO 2009098953 A1 WO2009098953 A1 WO 2009098953A1 JP 2009051099 W JP2009051099 W JP 2009051099W WO 2009098953 A1 WO2009098953 A1 WO 2009098953A1
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- WIPO (PCT)
- Prior art keywords
- cooling air
- passage portion
- duct
- power supply
- passage
- Prior art date
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Classifications
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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
-
- 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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- 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
- H01M10/643—Cylindrical 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
- H01M10/6565—Gases with forced flow, e.g. by blowers with recirculation or U-turn in the flow path, i.e. back and forth
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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
- H01M10/6566—Means within the gas flow to guide the flow around one or more cells, e.g. manifolds, baffles or other barriers
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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
- H01M10/66—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
- H01M10/667—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an electronic component, e.g. a CPU, an inverter or a capacitor
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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
- 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
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
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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
- 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
- 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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- 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
- a power unit comprising a capacitor and an electrical component is disposed inside a case, the inside of the case is partitioned into a first cooling air passage and a second cooling air passage, and the first and second cooling air are supplied by cooling air supply means.
- the present invention relates to a vehicular power supply apparatus that supplies cooling air to an air passage, cools an electric storage device with cooling air flowing through the first cooling air passage, and cools the electrical components with cooling air flowing through the second cooling air passage.
- the battery module is arranged in the lower part, and the DC / DC converter and the motor driving inverter are juxtaposed in the vehicle width direction on the upper part, from the front of the vehicle body
- the cooling air flowing backward is divided into upper and lower parts and cools the lower battery module, the upper DC / DC converter and the motor driving inverter in parallel, which is known from Patent Document 1 below.
- Japanese Unexamined Patent Publication No. 2008-062780 Japanese Unexamined Patent Publication No. 2008-062780
- the above-mentioned conventional system cools the battery module and electrical parts in parallel by providing an intake passage on the front side of the vehicle body and an exhaust passage on the rear side of the vehicle body.
- the power unit has a problem that the size in the front-rear direction increases.
- the present invention has been made in view of the above-described circumstances, and an object thereof is to reduce the size of a vehicle power supply device in which a power unit including a capacitor and an electrical component is disposed inside a case.
- a power unit including a capacitor and an electrical component is disposed inside a case, and the inside of the case is partitioned into a first cooling air passage and a second cooling air passage, Cooling air is supplied to the first and second cooling air passages by a supply means, the condenser is cooled by cooling air flowing through the first cooling air passage, and the electrical equipment is supplied by cooling air flowing through the second cooling air passage.
- a power supply device for a vehicle that cools a component, wherein a duct member integrally provided with an intake passage portion and an exhaust passage portion is provided on one end side of the case, and an outlet opening of the intake passage portion is provided in the first cooling air passage.
- the inlet opening of the exhaust passage portion is connected to the downstream end of the second cooling air passage, and the downstream end of the first cooling air passage is connected to the downstream end of the first cooling air passage by an intermediate duct on the other end side of the case.
- 2 cooling Vehicle power supply device according to the first aspect is proposed that connects the upstream end of the passage.
- the vehicle power supply device in addition to the first feature, is characterized in that the first cooling air passage is provided below the second cooling air passage. Proposed.
- the electrical component in addition to the first or second feature, includes an inverter and a DC-DC converter juxtaposed in the vehicle width direction, the inverter and the DC-DC converter.
- a vehicle power supply device having a third feature is proposed in which a heat sink extending downward from the lower surface of the heater faces the second cooling air passage.
- the intake passage portion and the exhaust passage portion of the duct member provided on one end side of the case are adjacent to each other across the partition wall.
- the inlet opening of the intake passage portion and the outlet opening of the exhaust passage portion are arranged to be arranged on both ends in the longitudinal direction on the one end side, and the width in the longitudinal direction of the outlet opening of the intake passage portion is formed. Is substantially coincident with the longitudinal width of the first cooling air passage, and the inlet opening of the exhaust passage portion is provided within the longitudinal width of the outlet opening of the intake passage portion.
- a passage sectional area of the outlet opening of the intake passage portion is larger than a passage sectional area of the inlet opening of the intermediate duct
- a vehicular power supply device is proposed in which the passage sectional area of the outlet opening of the intermediate duct is larger than the passage sectional area of the inlet opening of the exhaust passage portion.
- the intermediate duct is smooth from the downstream end of the first cooling air passage to the upstream end of the second cooling air passage.
- a vehicular power supply device is proposed which is formed in a U-shape that curves in a straight line.
- the intake duct connected to the inlet opening of the intake passage portion of the duct member extends forward of the vehicle body, and the exhaust of the duct member is exhausted.
- a vehicular power supply device is proposed in which the exhaust duct connected to the outlet opening of the passage portion extends rearward of the vehicle body.
- the power unit is arranged under the floor of a cargo compartment sandwiched between left and right side frames.
- a vehicle power supply device is proposed.
- the waterproof case 14 of the embodiment corresponds to the case of the present invention
- the cooling fan 21 of the embodiment corresponds to the cooling air supply means of the present invention
- the battery module 24 of the embodiment corresponds to the battery of the present invention
- the inverter 33 and the DC-DC converter 34 of the embodiment correspond to the electrical components of the present invention.
- the intake passage portion and the exhaust passage portion are integrally provided in the duct member provided on one end side of the case where the power unit composed of the battery and the electrical component is disposed,
- the power supply device can be downsized as compared with the case where the power supply devices are separately provided at both ends.
- the lower first cooling air is introduced from the intake passage portion of the duct member. After cooling the battery with cooling air flowing through the passage, the cooling air is led to the second cooling air passage on the upper side by an intermediate duct to cool the electrical components.
- the air thus discharged is discharged from the exhaust passage portion of the duct member without coming into contact with the lower storage battery, and heat dissipation inside the case can be promoted to prevent a decrease in durability of the storage battery.
- the electrical component includes an inverter and a DC-DC converter juxtaposed in the vehicle width direction, and includes a heat sink extending downward from the lower surface of the inverter and the DC-DC converter. Since the two cooling air passages are faced, the inverter and the DC-DC converter can be arranged in a compact manner, and the electrical components can be efficiently cooled without increasing the flow resistance of the cooling air.
- the duct member is formed compactly because the intake passage portion and the exhaust passage portion are formed adjacent to each other through the partition wall on the duct member provided on one end side of the case.
- the inlet opening of the intake passage portion and the outlet opening of the exhaust passage portion are arranged separately on both ends in the longitudinal direction on the one end side, it is easy to supply and discharge cooling air to the duct member.
- the width in the longitudinal direction of the outlet opening of the intake passage portion is made substantially equal to the width in the longitudinal direction of the first cooling air passage, so that the amount of cooling air introduced into the first cooling air passage is maximized.
- the inlet opening of the exhaust passage portion is provided within the longitudinal width of the outlet opening of the intake passage portion, the longitudinal dimension of the duct member is not increased by the inlet opening of the exhaust passage portion.
- the passage sectional area of the outlet opening of the intake passage portion is larger than the passage sectional area of the inlet opening of the intermediate duct, and the passage sectional area of the outlet opening of the intermediate duct is the exhaust passage portion. Since the passage sectional area of the cooling air gradually decreases from the intake passage portion toward the exhaust passage portion, the flow velocity of the cooling air gradually increases from the intake passage portion toward the exhaust passage portion. Become. Therefore, it is possible to enhance the cooling effect by applying cooling air having a high flow velocity to the electrical component that is hotter than the battery module.
- the intermediate duct is formed in a U-shape that smoothly curves from the downstream end of the first cooling air passage to the upstream end of the second cooling air passage. It is possible to smoothly guide from the first cooling air passage to the second cooling air passage.
- the intake duct connected to the inlet opening of the intake passage portion of the duct member extends forward of the vehicle body, and the exhaust duct connected to the outlet opening of the exhaust passage portion of the duct member is the vehicle body. Since it extends rearward, it is possible to prevent high-temperature air exhausted from the exhaust duct from being sucked from the intake duct.
- the power unit since the power unit is arranged under the floor of the cargo compartment sandwiched between the left and right side frames, the power unit can be effectively protected while securing the volume of the cargo compartment.
- FIG. 1 is an overall perspective view of a vehicle power supply device.
- (First embodiment) 2 is a cross-sectional view taken along line 2-2 of FIG.
- (First embodiment) 3 is a cross-sectional view taken along line 3-3 of FIG.
- FIG. 4 is a view taken along line 4-4 of FIG.
- (First embodiment) 5 is a cross-sectional view taken along line 5-5 of FIG.
- (First embodiment) 6 is a cross-sectional view taken along line 6-6 of FIG.
- First embodiment) 7 is a cross-sectional view taken along line 7-7 in FIG.
- FIG. 8 is an explanatory diagram of the operation when the cooling fan is stopped.
- FIG. 9 is an exploded perspective view of the duct member.
- the power supply device for operating the motor / generator of the hybrid vehicle is stored using a tire pan 11 for storing a spare tire below a luggage compartment 43 (see FIGS. 2 and 3) at the rear of the vehicle body. Is done.
- the left and right side edges of the container-like tire pan 11 recessed downward are connected to the left and right rear side frames 12 and 12.
- the power supply device includes a container-shaped waterproof case 14 whose upper surface is open and a flat cover member 15 that closes the upper surface opening, and is sandwiched between the waterproof case 14 and the cover member 15 in the vehicle width direction.
- Both ends of the pair of front and rear hanging frames 16, 16 extending in the vehicle width direction are fixed to the upper surfaces of the left and right rear side frames 12, 12 with bolts 17. Therefore, the power supply apparatus is suspended and supported by the left and right rear side frames 12 and 12 via the pair of front and rear suspension frames 16 and 16.
- the front edge of the lid member 15 ends at the position of the hanging frame 16 on the front side, and the duct member 18 is accommodated in the waterproof case 14 in front of it.
- the downstream end of the intake duct 19 that sucks the air in the passenger compartment as cooling air into the waterproof case 14 and the upstream of the exhaust duct 20 that discharges the cooled cooling air from the waterproof case 14.
- the air intake duct 19 extends from the left front portion of the waterproof case 14 to the upper left front side of the vehicle body, and the exhaust duct 20 extends rearward from the right front portion of the waterproof case 14 to the right side surface of the vehicle body.
- An electric cooling fan 21 is provided at the downstream end of the exhaust duct 20, and cooling air is sucked into the intake duct 19 by the negative pressure generated by the cooling fan 21.
- the cooling air discharged from the intake duct 19 is discharged between the interior material of the cargo compartment 43 and the rear fender, partly returned to the passenger compartment and partly discharged outside the vehicle.
- a lower battery case 22 and an upper battery case 23 constituting the first cooling air passage 39 are disposed between the bottom of the waterproof case 14 disposed below the luggage compartment 43. It arrange
- a rod-shaped battery module 24 ... In which a plurality of battery cells are connected in series in the vehicle width direction is arranged in seven rows in the front-rear direction and two steps in the vertical direction, and a pair of left and right U-shaped lower battery support frames 25, 25. And a pair of left and right I-shaped upper battery support frames 26, 26 coupled to the upper ends of the upper battery support frame 26 and 26.
- a pair of left and right brackets 27, 27 provided on the upper surface of each upper battery support frame 26 and a hanging frame 16 are long bolts 29, 29 having collars 28, 28 fitted on the outer periphery, and lower ends thereof. It is connected with nuts 30 and 30 which are screwed together. Accordingly, a total of 14 battery modules 24 are suspended and supported by the front and rear suspension frames 16 by the four bolts 29.
- a lower electrical component case 31 and an upper electrical component case 32 are fixed to the upper surface of the upper battery case 23, and an inverter 33 and a DC-DC converter 34, which are high piezoelectric components, are juxtaposed in the vehicle width direction right and left. .
- the inverter 33 and the DC-DC converter 34 can be arranged in a compact manner.
- the battery module 24, the inverter 33, and the DC-DC converter 34 constitute the power unit P of the present invention (see FIG. 8).
- a second cooling air passage 40 is formed between the upper surface of the upper battery case 23 and the lower surface of the lower electrical component case 31 so as to guide the cooling air that has cooled the battery modules 24 to the second cooling air passage 40.
- An intermediate duct 36 that is curved in a U shape is provided at the rear of the waterproof case 14. The inlet opening 36 a of the intermediate duct 36 communicates with the downstream end of the first cooling air passage 39, and the outlet opening 36 b of the intermediate duct 36 communicates with the upstream end of the second cooling air passage 40.
- the intermediate duct 36 is formed in a U-shape that smoothly curves from the downstream end of the first cooling air passage 39 to the upstream end of the second cooling air passage 40, so that the cooling air is passed from the first cooling air passage 39.
- the second cooling air passage 40 can be smoothly guided.
- Heat sinks 37 and 38 extending downward from the inverter 33 and the DC-DC converter 34 respectively face the second cooling air passage 40.
- the inverter 33 and the DC are not increased without increasing the flow resistance of the cooling air.
- the DC converter 34 can be cooled efficiently.
- the duct member 18 is a box-like member, and the inside thereof is partitioned into an intake passage portion 41 and an exhaust passage portion 42 by a partition wall 18a.
- An inlet opening 18b that is the upstream end of the intake passage portion 41 is formed on the left side of the flat upper surface of the duct member 18, and an outlet opening that is divided into three that is the downstream end of the intake passage portion 41 is formed below the flat rear surface. 18d are formed.
- an outlet opening 18c which is the downstream end of the exhaust passage portion 42, is formed on the right side of the flat upper surface of the duct member 18, and an inlet opening 18e is formed on the flat rear surface above the outlet openings 18d.
- the downstream end of the intake duct 19 is connected to the inlet opening 18 b of the intake passage portion 41 of the duct member 18, and the upstream end of the exhaust duct 20 is connected to the outlet opening 18 c of the exhaust passage portion 42 of the duct member 18.
- the width of the outlet opening 18d of the intake passage 41 in the vehicle width direction is substantially equal to the width of the duct member 18 in the vehicle width direction, and is equal to the width of the first cooling air passage 39 in the waterproof case 14 in the vehicle width direction. I'm doing it.
- the outlet opening 18d of the intake passage 41 is divided into three parts in order to avoid the positions of the pair of lower battery support frames 25, 25 that bundle the battery modules 24.
- the inside of the intake passage portion 41 of the duct member 18 is divided into three passages by two guide walls 18f and 18g, and these three passages correspond to the three divided outlet openings 18d of the intake passage portion 41. is doing.
- the second cooling air passage 40 of the waterproof case 14 is bifurcated into left and right, and a heat sink 37 of the inverter 33 faces one of them, and a heat sink 38 of the DC-DC converter 34 faces the other. Therefore, the passage sectional area of the second cooling air passage 40 is smaller than the passage sectional area of the first cooling air passage 39.
- the inlet opening 18e of the exhaust passage portion 42 formed on the rear surface of the intake duct 18 has its left side portion blocked by a dead end wall, so that only the right side portion is substantially open. That is, on the rear surface of the duct member 18, the width of the inlet opening 18 e of the exhaust passage portion 42 in the vehicle width direction is narrower than the width of the outlet opening 18 d of the intake passage portion 41 in the vehicle width direction, and the outlet opening of the intake passage portion 41. It is within the width in the vehicle width direction of 18d. Further, an inclined guide wall 18h for guiding the cooling air toward the outlet opening 18c is provided at the upper part of the exhaust passage portion 42.
- the high-voltage electrical components including the battery modules 24 and the inverter 33 and the DC-DC converter 34 generate heat.
- the cooling fan 21 When the cooling fan 21 is driven, air in the vehicle compartment is sucked into the duct member 18 as cooling air from the intake duct 19 due to the negative pressure generated upstream thereof.
- the cooling air flows into the intake passage portion 41 from the inlet opening 18b formed on the left side of the upper surface of the duct member 18, and is guided by the two guide walls 18f and 18g to spread in the left-right direction. 18 d... Flows into the first cooling air passage 39.
- the cooling air cools the battery modules 24 while flowing through the first cooling air passage 39 from the front to the rear, and then makes an U-turn upward by the intermediate duct 36.
- the second cooling air passage 40 having a passage cross-sectional area smaller than that of the passage 39 flows from the rear to the front, and contacts with the heat sinks 37 and 38 to cool the inverter 33 and the DC-DC converter 34.
- the cooling air which has been cooled in this way flows into the exhaust passage portion 42 from the inlet opening 18e formed in the rear surface of the duct member 18 while deflecting rightward to narrow the passage cross-sectional area. Then, the air flows into the exhaust duct 20 from an outlet opening 18c formed on the right side of the upper surface of the duct member 18, passes through the cooling fan 21, and is discharged separately into the vehicle interior and the vehicle interior.
- the intake duct 19 connected to the inlet opening 18b of the intake passage portion 41 of the duct member 18 extends forward of the vehicle body, and the exhaust duct 20 connected to the outlet opening 18c of the exhaust passage portion 42 of the duct member 18 extends to the rear of the vehicle body. Therefore, the high-temperature air exhausted from the exhaust duct 20 can be prevented from being sucked again from the intake duct 19.
- the inlet of the intake duct 19 and the outlet of the exhaust duct 20 are arranged at diagonal positions with the waterproof case 14 in between, the above effect can be exhibited more reliably.
- the interior of the waterproof case 14 is partitioned into a lower first cooling air passage 39 and an upper second cooling air passage 40, which are introduced from the intake passage portion 41 of the duct member 18.
- the cooling air is guided to the upper second cooling air passage 40 by the intermediate duct 36, and the inverter 33 and the DC-DC Since the converter 34 is cooled, the air heated in contact with the relatively high-temperature inverter 33 and the DC-DC converter 34 after the cooling fan 21 is stopped is below the relatively low-temperature battery module 24.
- the air is discharged from the exhaust passage portion 42 of the duct member 18 without flowing into the waterproof case 14 and promotes heat radiation inside the waterproof case 14 while preventing the durability of the battery modules 24. It can be.
- the temperature of the air heated in contact with the relatively low temperature battery modules 24... Is lower than the temperature of the air heated in contact with the relatively high temperature inverter 33 and the DC-DC converter 34. Even if the low-temperature air flows to the inverter 33 and the DC-DC converter 34 side, there is no problem. Rather, it can contribute to cooling of the inverter 33 and the DC-DC converter 34.
- the intake passage portion 41 and the exhaust passage portion 42 are integrally provided in the duct member 18 provided at the front end of the waterproof case 14, the intake passage portion 41 and the exhaust passage portion 42 are separately provided at the front end and the rear end of the waterproof case 14.
- a power supply device can be reduced in size.
- the duct member 18 can be made compact, and the partition wall 18a is made thicker or doubled.
- the heat of the high-temperature cooling air flowing through the exhaust passage portion 42 can be suppressed from being transmitted to the low-temperature cooling air flowing through the intake passage portion 41.
- the inlet opening 18b of the intake passage portion 41 and the outlet opening 18c of the exhaust passage portion 42 are arranged separately on the left and right sides in the vehicle width direction, the supply and discharge of cooling air to the duct member 18 is easy.
- the width in the vehicle width direction of the outlet opening 18d of the intake passage portion 41 of the duct member 18 is made substantially equal to the width in the vehicle width direction of the first cooling air passage 39, it is introduced into the first cooling air passage 39.
- the amount of cooling air can be secured to the maximum, and the inlet opening 18e of the exhaust passage portion 42 is provided within the width in the vehicle width direction of the outlet opening 18d of the intake passage portion 41. Therefore, the inlet opening 18e of the exhaust passage portion 42 is provided.
- the dimension of the duct member 18 in the vehicle width direction does not increase.
- the passage sectional area of the outlet opening 18d of the intake passage portion 41 is larger than the passage sectional area of the inlet opening 36a of the intermediate duct 36, and the passage sectional area of the outlet opening 36b of the intermediate duct 36 is the inlet opening of the exhaust passage portion 42.
- 18e is larger than the passage cross-sectional area of 18e, the passage cross-sectional area of the cooling air gradually decreases from the intake passage portion 41 toward the exhaust passage portion 42, and the flow velocity of the cooling air flows from the intake passage portion 41 toward the exhaust passage portion 42. It grows gradually. Therefore, it is possible to enhance the cooling effect by causing cooling air having a high flow velocity to act on the inverter 33 and the DC-DC converter 34 that are hotter than the battery modules 24.
- the intake passage portion 41 and the exhaust passage portion 42 are configured as separate members, and the duct member 18 is configured by integrally connecting them.
- the degree of freedom in designing the shape of the duct member 18 can be increased.
- the hybrid vehicle is exemplified in the embodiment, the present invention can also be applied to an electric vehicle.
- the duct member 18 is arranged along the front surface of the waterproof case 14, but it may be arranged along the left or right side surface of the waterproof case 14.
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Abstract
Description
18 ダクト部材
18a 仕切り壁
18b 吸気通路部の入口開口
18c 排気通路部の出口開口
18d 吸気通路部の出口開口
18e 排気通路部の入口開口
19 吸気ダクト
20 排気ダクト
21 冷却ファン(冷却風供給手段)
24 バッテリモジュール(蓄電器)
33 インバータ(電装部品)
34 DC-DCコンバ-タ(電装部品)
36 中間ダクト
36a 中間ダクトの入口開口
36b 中間ダクトの出口開口
37 ヒートシンク
38 ヒートシンク
39 第1冷却風通路
40 第2冷却風通路
41 吸気通路部
42 排気通路部
43 荷室
P パワーユニット
Claims (8)
- 蓄電器(24)および電装部品(33,34)からなるパワーユニット(P)をケース(14)の内部に配置し、前記ケース(14)の内部を第1冷却風通路(39)および第2冷却風通路(40)に仕切り、冷却風供給手段(21)により前記第1、第2冷却風通路(39,40)に冷却風を供給し、前記第1冷却風通路(39)を流れる冷却風で前記蓄電器(24)を冷却するとともに、前記第2冷却風通路(40)を流れる冷却風で前記電装部品(33,34)を冷却する車両用電源装置であって、
前記ケース(14)の一端側に吸気通路部(41)および排気通路部(42)を一体に備えたダクト部材(18)を設け、前記吸気通路部(41)の出口開口(18d)を前記第1冷却風通路(39)の上流端に接続するとともに、前記排気通路部(42)の入口開口(18e)を前記第2冷却風通路(40)の下流端に接続し、前記ケース(14)の他端側で中間ダクト(36)により前記第1冷却風通路(39)の下流端と前記第2冷却風通路(40)の上流端とを接続したことを特徴とする車両用電源装置。 - 前記第1冷却風通路(39)は前記第2冷却風通路(40)の下側に設けられていることを特徴とする、請求項1に記載の車両用電源装置。
- 前記電装部品は車幅方向に並置されたインバータ(33)およびDC-DCコンバ-タ(34)を含み、前記インバータ(33)および前記DC-DCコンバ-タ(34)の下面から下方に延びるヒートシンク(37,38)を前記第2冷却風通路(40)に臨ませたことを特徴とする、請求項1または請求項2に記載の車両用電源装置。
- 前記ケース(14)の一端側に設けられた前記ダクト部材(18)の吸気通路部(41)および排気通路部(42)は仕切り壁(18a)を挟んで隣り合うように形成され、前記吸気通路部(41)の入口開口(18b)および前記排気通路部(42)の出口開口(18c)は前記一端側の長手方向の両端側に振り分けて配置され、前記吸気通路部(41)の出口開口(18d)の前記長手方向の幅は前記第1冷却風通路(39)の前記長手方向の幅に略一致し、前記排気通路部(42)の入口開口(18e)は前記吸気通路部(41)の出口開口(18d)の前記長手方向の幅内に設けられることを特徴とする、請求項1~請求項3の何れか1項に記載の車両用電源装置。
- 前記吸気通路部(41)の出口開口(18d)の通路断面積は前記中間ダクト(36)の入口開口(36a)の通路断面積よりも大きく、前記中間ダクト(36)の出口開口(36b)の通路断面積は前記排気通路部(42)の入口開口(18e)の通路断面積よりも大きいことを特徴とする、請求項1~請求項4の何れか1項に記載の車両用電源装置。
- 前記中間ダクト(36)は、前記第1冷却風通路(39)の下流端から前記第2冷却風通路(40)の上流端へと滑らかに湾曲するU字状に形成されることを特徴とする、請求項1~請求項5の何れか1項に記載の車両用電源装置。
- 前記ダクト部材(18)の吸気通路部(41)の入口開口(18b)に接続された吸気ダクト(19)は車体前方に延び、前記ダクト部材(18)の排気通路部(42)の出口開口(18c)に接続された排気ダクト(20)は車体後方に延びることを特徴とする、請求項1~請求項6の何れか1項に記載の車両用電源装置。
- 前記パワーユニット(P)は、左右のサイドフレーム(12)に挟まれた荷室(43)の床下に配置されることを特徴とする、請求項1~請求項7の何れか1項に記載の車両用電源装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI0906817-1A BRPI0906817A2 (pt) | 2008-02-07 | 2009-01-23 | Sistema de fonte de alimentação veicular |
EP20090708431 EP2241468B1 (en) | 2008-02-07 | 2009-01-23 | Electric power supply device |
US12/864,306 US8556017B2 (en) | 2008-02-07 | 2009-01-23 | Vehicular power supply system |
JP2009552432A JP5210330B2 (ja) | 2008-02-07 | 2009-01-23 | 車両用電源装置 |
CN2009801029470A CN101925482B (zh) | 2008-02-07 | 2009-01-23 | 车辆用电源装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008-028098 | 2008-02-07 | ||
JP2008028098 | 2008-02-07 |
Publications (1)
Publication Number | Publication Date |
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WO2009098953A1 true WO2009098953A1 (ja) | 2009-08-13 |
Family
ID=40952031
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2009/051099 WO2009098953A1 (ja) | 2008-02-07 | 2009-01-23 | 車両用電源装置 |
Country Status (8)
Country | Link |
---|---|
US (1) | US8556017B2 (ja) |
EP (1) | EP2241468B1 (ja) |
JP (1) | JP5210330B2 (ja) |
CN (1) | CN101925482B (ja) |
BR (1) | BRPI0906817A2 (ja) |
RU (1) | RU2459718C2 (ja) |
TW (1) | TWI338642B (ja) |
WO (1) | WO2009098953A1 (ja) |
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WO2013073432A1 (ja) * | 2011-11-14 | 2013-05-23 | 本田技研工業株式会社 | 車両用バッテリユニット |
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JPWO2013073432A1 (ja) * | 2011-11-14 | 2015-04-02 | 本田技研工業株式会社 | 車両用バッテリユニット |
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JP2014149959A (ja) * | 2013-01-31 | 2014-08-21 | Honda Motor Co Ltd | 蓄電装置の冷却構造 |
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WO2014155411A1 (ja) * | 2013-03-25 | 2014-10-02 | 三洋電機株式会社 | 蓄電池収容棚 |
JP2015026558A (ja) * | 2013-07-29 | 2015-02-05 | 本田技研工業株式会社 | 車両用蓄電装置 |
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JP7443185B2 (ja) | 2020-07-29 | 2024-03-05 | 本田技研工業株式会社 | 電源装置 |
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JPWO2009098953A1 (ja) | 2011-05-26 |
EP2241468A4 (en) | 2011-04-20 |
US20100294580A1 (en) | 2010-11-25 |
TWI338642B (en) | 2011-03-11 |
TW200944405A (en) | 2009-11-01 |
CN101925482B (zh) | 2013-07-03 |
BRPI0906817A2 (pt) | 2015-07-14 |
JP5210330B2 (ja) | 2013-06-12 |
US8556017B2 (en) | 2013-10-15 |
RU2010136835A (ru) | 2012-03-20 |
RU2459718C2 (ru) | 2012-08-27 |
EP2241468A1 (en) | 2010-10-20 |
EP2241468B1 (en) | 2013-01-09 |
CN101925482A (zh) | 2010-12-22 |
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