WO2007145304A1 - 電源装置および車両 - Google Patents
電源装置および車両 Download PDFInfo
- Publication number
- WO2007145304A1 WO2007145304A1 PCT/JP2007/062071 JP2007062071W WO2007145304A1 WO 2007145304 A1 WO2007145304 A1 WO 2007145304A1 JP 2007062071 W JP2007062071 W JP 2007062071W WO 2007145304 A1 WO2007145304 A1 WO 2007145304A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- converter
- vehicle
- power supply
- voltage
- battery
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
-
- 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
-
- 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
- H01M50/202—Casings or frames around the primary casing of a single cell or a single battery
-
- 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
-
- 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
- B60L2210/10—DC to DC converters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2400/00—Special features of vehicle units
- B60Y2400/61—Arrangements of controllers for electric machines, e.g. inverters
-
- 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
-
- 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
- Y02T10/72—Electric energy management in electromobility
Definitions
- the present invention relates to a power supply device and a vehicle including the power supply device.
- the secondary battery a nickel-cadmium battery, a nickel-hydrogen battery, a lithium ion battery, or the like is used.
- the secondary battery includes, for example, a battery module in which battery cells are stacked.
- the battery module is mounted on the vehicle in a state of being housed in a power storage case.
- the battery module supplies power with direct current.
- Secondary batteries mounted on vehicles require high voltage and high output. For example, about 30 battery modules with about 1.2 V battery cells connected in series are connected in series. Thus, a battery module is formed. The input / output voltage of such a battery module is high.
- the motors that power the vehicle are driven alternately.
- the direct current electricity from the storage device is converted into alternating current by the inverter and transmitted to the motor.
- a catcher such as an audio device or a control device may be connected to the power supply device.
- Such equipment is driven at a low voltage. For this reason, some power supply devices are provided with a converter for stepping down the voltage of the power storage device.
- Japanese Patent Application Laid-Open No. 2 0 0 4-1 1 4 8 2 1 it is installed in the engine room of an automobile.
- the package case to be location, 4 2 V systems of power components and intensive implementation the power path of the power component 1 4 V System: Nokeji is disclosed.
- all the power supply wirings for connecting the power supply parts to each other and the outside are composed of bus bars, and by simply sliding each power supply part in the mounting direction, both bus bars are connected to each other. Is formed.
- this power supply package it is disclosed that wiring can be eliminated, and mounting work and wiring work can be facilitated.
- an inverter, D CZD C converter, 36 V battery, 12 V battery, etc. are installed inside the package case, and the package case is housed in the engine room of the car. Is disclosed.
- a hybrid vehicle having a high potential battery that supplies power to a drive motor that drives a vehicle and a low potential battery that supplies power to an auxiliary device of the vehicle.
- the high-potential battery is divided into a plurality of battery units, and the divided high-potential battery battery unit and low-potential battery are arranged near the vehicle side wall behind the rear seat of the vehicle.
- a hybrid vehicle is disclosed. According to this hybrid vehicle, it is disclosed that the weight balance of the vehicle can be made uniform, the luggage compartment can be flattened and the trunk through can be achieved.
- a fusible link box is installed in the battery to convert the voltage between the high-voltage battery and the auxiliary battery.
- D CZD The power line that is the output of the C converter is not returned to the engine room.
- a connected vehicle power supply is disclosed. According to this vehicle power supply device, it is disclosed that it is easy to secure a power line routing route.
- Japanese Patent Laid-Open No. 2 0 5-1 7 8 7 3 2 a battery, an inverter, a DC-DC converter, and a fan are concentratedly arranged below the rear seat, and below the one end of the rear seat in the vehicle width direction.
- a high-voltage cooling device for a vehicle motor in which a cooling air inlet is provided on the side and a cooling air outlet is provided on the lower side of the other end. According to this apparatus, it is disclosed that high voltage equipment can be efficiently cooled without causing a decrease in utility.
- a main battery having a voltage of 300 V
- a voltage converter for converting the voltage of the main battery to 12 V
- a voltage of the main battery of 2 A power supply device including a voltage converter for converting to 4 V is disclosed.
- a main power source for supplying power to a driving motor controlled by a driving motor control device and an electric load having different rated voltages from the driving motor
- a power supply device for an electric vehicle includes a plurality of sub power sources configured by a voltage converter that converts a voltage of a main power source into a voltage corresponding to the various rated voltages.
- Examples of the voltage extracted from the power supply device include a voltage of about 12 V and a voltage of about 30 OV.
- a power supply of an additional voltage is required.
- the driving force may not be sufficient at a voltage of approximately 12 V, and the voltage may be too high at a voltage of approximately 300 V. It was hot. Therefore, for example, the use of about 40 V electricity as a power source for driving the electric power steering is being studied. In this way, additional voltage may be required in addition to the voltage supplied by conventional power supplies.
- An object of the present invention is to provide a small power supply device that can supply electricity of three or more kinds of voltages and a vehicle including the power supply device.
- a power supply device is a power supply device mounted on a vehicle, and includes a power storage device, a power storage case for housing the power storage device, and an output voltage of the power storage device as a first power supply.
- a first converter that steps down the voltage to a voltage
- a second converter that steps down the output voltage of the power storage device to a second voltage.
- the power storage device, the first converter, and the second converter are fixed to the power storage case.
- the first converter is arranged at one end of the electricity storage case.
- the second converter is disposed at the other end of the electricity storage case opposite to the one end.
- the first converter is formed to be forcibly cooled by a cooling device.
- the second converter is formed to be cooled by natural cooling.
- the vehicle based on this invention is a vehicle provided with the above-mentioned power supply device, Comprising:
- the said 1st converter and the said 2nd converter are each arrange
- the first converter and the second converter are arranged so as not to protrude from the front end surface of the electricity storage case and the rear end surface of the vehicle body, respectively.
- the present invention it is possible to provide a small power supply device capable of supplying electricity of three or more kinds of voltages and a vehicle including the power supply device.
- FIG. 1 is a schematic perspective view of a power supply device according to an embodiment of the present invention.
- FIG. 2 is a schematic sectional view of the vehicle in the embodiment based on the present invention.
- FIG. 3 is a schematic exploded perspective view of the power supply device according to the embodiment of the present invention.
- FIG. 4 is a first schematic cross-sectional view of a vehicle in which a power supply device according to an embodiment of the present invention is arranged.
- FIG. 5 is a second schematic cross-sectional view of a vehicle in which the power supply device according to the embodiment of the present invention is arranged.
- FIG. 6 is a schematic cross-sectional view of the power supply device according to the embodiment of the present invention.
- FIG. 1 is a schematic perspective view of a power supply device according to the present embodiment.
- the power supply device in the present embodiment is mounted on a vehicle.
- the direction of arrow 61 is the direction indicating the front side of the vehicle body.
- Power storage devices such as secondary batteries and capacitors are housed in power storage cases and mounted on vehicles.
- a device including a power storage device and a power storage case is referred to as a power storage pack.
- the power storage pack may include other components.
- Other components include, for example, a blower for cooling power storage devices such as cooling ducts and cooling fans.
- the power supply device in the present embodiment includes a power storage pack 1.
- the electricity storage pack 1 includes a battery module 31 as an electricity storage device.
- the battery module 31 in the present embodiment is a secondary battery.
- the battery module 31 is configured to supply electric power to the motor when starting, accelerating or climbing, and to store the electric power regenerated during deceleration.
- Battery module 31 in the present embodiment includes a plurality of battery cells.
- the battery module 31 is configured by arranging a plurality of battery cells.
- the battery module 31 in this embodiment is formed so that a voltage of 2 88 V can be output by connecting 1.2 V battery cells in series.
- the power storage pack 1 in this embodiment includes a power storage case 21 for storing power storage devices.
- the electricity storage case 21 is formed in a box shape.
- the power storage case 2 1 includes a case 2 2 and upper cases 2 3 and 2 4.
- the lower case 2 2 has a plate 25.
- the plate 25 is formed so that the electricity storage pack 1 can be fixed to the support member of the vehicle body.
- the plate 25 is formed at the end of the electricity storage case 21 at the rear of the vehicle.
- Power storage pack 1 in the present embodiment includes electrical equipment 3 4.
- the power storage pack 1 is electrically connected to the battery module 31 and includes a DCZDC converter 2 as a first converter for stepping down the voltage to the first voltage.
- the DC ZDC converter 2 in the present embodiment is formed so that the 2 88 V output of the battery module 3 1 can be converted to 12 V.
- the DC / DC converter 2 is located inside the storage case 2 1 Is arranged.
- the power storage pack 1 includes a DCZDC converter 3 as a second converter for stepping down the voltage of the battery module 31 to the second voltage.
- the DC-DC converter 3 in the present embodiment is formed so that the 2 88 V output of the battery module 3 1 can be converted to 4 2 V.
- DC / DC converter 3 is arranged outside power storage case 21.
- the DC / DC converter 3 is fixed to the outer surface of the upper case 23.
- the DC / DC converter 3 is connected to the battery module 3 1 by a lead wire (not shown).
- the upper case 24 in the present embodiment has an intake duct 24 a for introducing cooling air into the storage case 21.
- the upper case 24 has an exhaust duct 24 b for discharging cooling air from the inside of the electricity storage case 21.
- FIG. 2 shows a schematic cross-sectional view of a vehicle equipped with the power supply device according to the present embodiment.
- the vehicle in the present embodiment is a so-called sedan type automobile.
- the vehicle has a body 4 1.
- the body 41 has a longitudinal direction.
- the vehicle in the present embodiment includes tires 4 2 and 4 7.
- Tire 4 2 is the front tire and tire 4 7 is the rear tire.
- the vehicle in this embodiment has two rows of seats.
- the vehicle includes front seats 4 3 a and 4 3 b and a rear seat 4 4.
- Rear seat 4 4 is the rearmost seat.
- the vehicle includes a handle 45 arranged on the front side of the front seat 4 3 a as a driver seat.
- the electricity storage pack 1 in the present embodiment is disposed on the rear side of the rear seat 44.
- the electricity storage pack 1 is arranged so that the longitudinal direction is substantially parallel to the width direction of the vehicle body.
- the electricity storage pack 1 is arranged inside the trunk room.
- FIG. 3 shows a schematic exploded perspective view of the electricity storage pack in the present embodiment.
- each device is arranged in the lower case 22.
- the upper cases 2 3 and 2 4 are formed so as to cover the respective devices arranged in the lower case 2 2.
- the upper cases 2 3 and 2 4 are covered by the lower case 2 2 as indicated by arrows 6 2 and 6 3.
- Lower case 2 2 consists of battery module 3 1, electrical equipment 3 4 and DC / DC
- a substrate 2 2 a for mounting the barter 2 and the like is provided.
- the substrate 2 2 a has a through hole (not shown) and is formed so as to pass through the cooling air.
- the electrical equipment 3 4 includes a relay for controlling an electric voltage circuit from the battery module 3 1, various sensors for detecting the state of the battery module 3 1, or a battery computer.
- the electric device 3 4 is arranged on the side of the battery module 3 1.
- the power storage pack 1 in the present embodiment has a service plug 3 2.
- the service plug 3 2 is formed so that the high-voltage circuit can be shut off by removing the service plug 3 2 from the main body of the storage pack 1 when the storage pack 1 is inspected or maintained.
- the upper case 2 4 has an opening 2 4 d for exposing the service plug 3 2.
- D CZD C converter 2 steps down the high voltage output from battery module 31 to the voltage used by auxiliary equipment such as vehicle lamps and audio, and each ECU (electronic control unit) installed in the vehicle. It is made possible.
- the DCZDC converter 2 in the present embodiment is formed so as to be able to charge a catcher battery (not shown).
- the D C ZD C converter 2 is formed in a rectangular parallelepiped shape.
- D CZD C converter 2 is fixed to substrate 2 2 a of lower case 2 2.
- the D C ZD C converter 2 is arranged so that its longitudinal direction is substantially parallel to the width direction of the electricity storage pack 1.
- the D CZD C converter 2 has fins 2 a. Each fin 2 a is formed in a plate shape. The D CZD C converter 2 is arranged so that the fin 2 a faces outward. The D CZD C converter 2 in the present embodiment is arranged so that the fin 2 a faces the side of the vehicle body. The fin 2 a is disposed at the end of the electricity storage case 21.
- the D CZD C converter 2 has a connection 2b for supplying stepped-down electricity.
- Connection portion 2 b in the present embodiment is formed so as to go from D CZD C converter 2 to the rear side of the vehicle body.
- the upper case 24 has an opening 24c for exposing the connection 2b.
- Electricity of 1 2 V is supplied by connecting the lead wire to the connecting part 2b.
- the power storage pack 1 according to the present embodiment has an output terminal 33 for supplying 2 8 8 V electricity of the battery module 3 1 to the outside.
- the output terminal 33 is connected to an inverter for supplying AC electricity to the motor, for example.
- the output terminal 3 3 is arranged on the side of the battery module 3 1.
- the output terminal 33 in the present embodiment is arranged so as to face the front side of the vehicle body. . 3 ⁇ 4 :::
- the electricity storage pack 1 in the present embodiment has a communication cable 35 for performing communication with the outside.
- the communication cable 35 is configured to be able to communicate with an external control device.
- the upper case 24 has an opening 24 e through which the communication cable 35 is inserted.
- the DC / DC converter 3 is formed in a rectangular parallelepiped shape.
- the D CZD C converter 3 is arranged so that its longitudinal direction is substantially parallel to the width direction of the electricity storage pack.
- the D CZD C converter 3 is formed such that the length in the longitudinal direction is shorter than the length in the width direction of the upper case 23.
- the DC / DC converter 3 is arranged so as not to protrude from the end surface of the upper case 23 on the front side of the vehicle body and the end surface on the rear side of the vehicle body.
- the DC / DC converter 3 has a connecting portion 3b for supplying stepped-down electricity. By connecting a conducting wire to the connecting portion 3b, electricity reduced to 4 2 V is supplied.
- the D CZD C converter 3 in the present embodiment has fins 3 a for cooling the D CZD C converter. Each fin 3.a is formed in a plate shape.
- a power supply with a voltage of 42 V supplied by the DC / DC converter 3 is used, for example, for electric power steering.
- the electric power steering is a steering having a function of urging the handle axial force by a motor or the like.
- the axial force of the steering wheel may increase due to a large vehicle or a small vehicle depending on the ground contact conditions of the tire. In such a vehicle, a sufficient axial force could not be obtained with a 12 V power supply.
- the power supply apparatus according to the present embodiment can supply electricity with a voltage of 42 V, and can stably urge a vehicle that requires a large steering wheel axial force.
- the upper case 2 4 is a partition for placing the battery module 3 1 in a closed space. It has 2 g of plate.
- the partition plate 24 g is arranged at a position farther from the battery module 31 than the position at which the intake duct 24 a is arranged.
- FIG. 4 shows a first schematic cross-sectional view when the battery pack according to the present embodiment is arranged in a vehicle.
- FIG. 5 shows a second schematic cross-sectional view when the battery pack according to the present embodiment is arranged in a vehicle.
- FIG. 4 is a schematic cross-sectional view taken along a plane extending in the vertical direction.
- FIG. 5 is a schematic sectional view taken along a plane extending in the horizontal direction.
- the vehicle in the present embodiment includes a side member 52.
- the side members 52 are disposed at both ends in the vehicle width direction.
- Side member 52 is formed to extend in the front-rear direction of the vehicle.
- the vehicle in the present embodiment includes a cross member 53.
- Cross member 53 is formed to extend in the width direction of the vehicle.
- the cross member 53 is fixed to the side member 52 so as to bridge the side members 52.
- the vehicle in the present embodiment includes floor panels 48.
- the floor panel 4 8 is formed in a plate shape.
- Floor panel 48 in the present embodiment is fixed to the lower surface of side member 52. Part of the floor panel 48 is supported by the cross member 53.
- the floor panel 4 8 supports the rear seat 4 4.
- a partition panel 4 9 is arranged on the rear side of the rear seat 4 4.
- the partition panel 4 9 is arranged so as to separate a passenger compartment for a person from a trunk nore for loading luggage.
- the partition panel 4 9 has a lower end fixed to the floor panel 48 and an upper end fixed to the upper back 50. In the partition panel 4 9, both end portions in the vehicle width direction are fixed to a strainer (not shown).
- Power storage pack 1 in the present embodiment is arranged on the rear side of partition panel 49. Storage pack 1 is placed in the trunk room. The electricity storage pack 1 is fixed to the floor panel 48. The electricity storage pack 1 is disposed in a region sandwiched between the side members 52 disposed on both sides in the width direction of the vehicle body.
- the storage pack 1 has its end facing the passenger compartment fixed to the floor panel 48 via a bracket 28.
- the battery pack 1 has the end opposite the side facing the passenger compartment It is fixed to the floor panel 4 8 through the racket 2 7.
- the plate 25 is fixed to the bracket 27.
- the plate 26 is fixed to the bracket 28.
- the power supply device in the present embodiment includes a first converter and a second converter, and the power storage device, the first converter, and the second converter are fixed to the power storage case. With this configuration, a power supply device that can supply at least three types of voltages can be supplied.
- the power supply device in this embodiment can supply electricity of DC voltages of 2 8 8 V, 4 2 V, and 12 V. Furthermore, since each converter and the power storage device are integrated as a power storage pack, the power supply device can be downsized.
- the DCZDC converter 2 in the present embodiment is arranged at the end of the battery pack 1 on the opposite side to the side where the battery module 31 is arranged in the longitudinal direction.
- the D CZD C converter 2 is disposed at one end of the electricity storage pack 1.
- D C ZD C converter 2 is disposed at the right end of the vehicle body when power storage pack 1 is mounted on the vehicle body.
- the DCZDC converter 3 in the present embodiment is disposed at the end of the battery pack 31 on the side where the battery module 31 is disposed in the longitudinal direction of the electricity storage pack 1.
- the D CZ D C converter 3 is disposed at the other end opposite to the one end.
- the D CZD C converter 3 is disposed at the left end of the vehicle body when the electricity storage pack 1 is mounted on the vehicle body.
- the DCZDC converters 2 and 3 are arranged at both end portions in the width direction of the vehicle body.
- the DC / DC converters can be separated from each other.
- parts for outputting different voltages can be arranged apart from each other.
- each of the DC / DC converters 2 and 3 is formed so as not to protrude from the front end face and the rear end face of the storage case 21. .
- the DC / DC converters 2 and 3 are arranged inside the region of the electricity storage case 21 when the electricity storage pack 1 is viewed in plan. With this configuration, damage to the DCZDC converter can be suppressed when an impact is applied from either direction of the power supply device.
- the impact is mainly transmitted directly to the storage case 21, so that direct impact is not applied to the D CZD C converters 2 and 3. be able to. As a result, damage to the D CZD C converters 2 and 3 can be suppressed.
- the electricity storage pack in the present embodiment is arranged in a region sandwiched between side members arranged on both sides in the width direction of the vehicle body.
- the side members are the parts that form the skeleton of the car body and have high strength. For this reason, even when there is an impact from the side, the power storage pack can be protected by the side member.
- FIG. 6 shows a schematic cross-sectional view of the power supply device according to the present embodiment.
- FIG. 6 is a schematic cross-sectional view taken along the line V I—V I in FIG.
- the partition plate 2 4 g of the upper case 2 4 is formed so as to partition the region where the electrical device 3 4 is disposed from the region where the battery module 31 is disposed.
- the battery module 3 1 is placed on the substrate 2 2 a.
- the power supply device in the present embodiment is supplied with cooling air as shown by an arrow 64 by a blower (not shown).
- the blower is formed so as to be able to supply, for example, air in a trunk room.
- Cooling air is supplied from the intake duct 24a. As the cooling air passes between the battery cells of the battery module 31 as indicated by an arrow 65, each battery cell is cooled.
- the cooling air passes through a space sandwiched between the bottom plate of the lower case 2 2 and the substrate 2 2 a as indicated by an arrow 66.
- the cooling air is exhausted from the exhaust duct 2 4 b as indicated by an arrow 67.
- the exhaust duct 2 4 b is connected to an extending duct (not shown), and the cooling air is exhausted outside the vehicle, for example.
- the cooling air passes through a region where the fins 2a of the DCZDC converter 2 are arranged. In the DC / DC converter 2, the fins 2a are cooled by the cooling air, and the DCZDC converter 2 itself is cooled.
- the present embodiment it is formed so as to be forcibly cooled by a DCDC converter 2 power cooling device as the first converter.
- a DCDC converter 2 power cooling device as the first converter.
- an air blowing path is artificially formed, and at least a part of the DC ZDC converter 2 is disposed in the air blowing path, whereby the DCZDC converter 2 is cooled.
- the DC / DC converter 3 is placed on the upper side of the upper case 23 and is not cooled forcibly but is cooled by natural cooling.
- the DCZDC converter 3 is used less frequently than the DC / DC converter 2.
- the calorific value of the DC / DC converter 3 is small. Therefore, the DC / DC converter 3 can be sufficiently cooled by natural cooling, and can be driven stably.
- the DC / DC converter 2 is disposed inside the storage case 21 and the DC / DC converter 3 is disposed outside the storage case 21.
- the converter may be disposed inside or outside the storage case.
- each converter is arranged at both ends in the longitudinal direction of the storage case.
- the present invention is not limited to this configuration, and each converter The data can be placed at any position.
- two DCZDC converters are arranged in one power supply device.
- the present invention is not limited to this, and three or more DC / DC converters may be arranged. Absent. It is also possible to configure a new power supply device by appropriately combining the configurations of the power supply devices described in this embodiment, or by extracting only a part of the configuration.
- the present invention is mainly applied to vehicles equipped with power storage devices such as secondary batteries and capacitors.
Abstract
Description
Claims
Priority Applications (2)
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CN2007800220067A CN101467283B (zh) | 2006-06-14 | 2007-06-08 | 电源装置以及车辆 |
US12/304,714 US8446035B2 (en) | 2006-06-14 | 2007-06-08 | Power supply device and vehicle |
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JP2006-164964 | 2006-06-14 | ||
JP2006164964A JP4812529B2 (ja) | 2006-06-14 | 2006-06-14 | 電源装置および車両 |
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WO2007145304A1 true WO2007145304A1 (ja) | 2007-12-21 |
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PCT/JP2007/062071 WO2007145304A1 (ja) | 2006-06-14 | 2007-06-08 | 電源装置および車両 |
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US (1) | US8446035B2 (ja) |
JP (1) | JP4812529B2 (ja) |
CN (1) | CN101467283B (ja) |
WO (1) | WO2007145304A1 (ja) |
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Also Published As
Publication number | Publication date |
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CN101467283A (zh) | 2009-06-24 |
US20090167077A1 (en) | 2009-07-02 |
JP4812529B2 (ja) | 2011-11-09 |
CN101467283B (zh) | 2011-07-27 |
US8446035B2 (en) | 2013-05-21 |
JP2007335202A (ja) | 2007-12-27 |
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