WO2006067928A1 - 高電圧バッテリユニットの車両搭載構造 - Google Patents
高電圧バッテリユニットの車両搭載構造 Download PDFInfo
- Publication number
- WO2006067928A1 WO2006067928A1 PCT/JP2005/021462 JP2005021462W WO2006067928A1 WO 2006067928 A1 WO2006067928 A1 WO 2006067928A1 JP 2005021462 W JP2005021462 W JP 2005021462W WO 2006067928 A1 WO2006067928 A1 WO 2006067928A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- voltage battery
- vehicle
- cooling fan
- high voltage
- battery unit
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- 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
- 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
-
- 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
- B60L58/30—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells
- B60L58/32—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells for controlling the temperature of fuel cells, e.g. by controlling the electric load
- B60L58/33—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells for controlling the temperature of fuel cells, e.g. by controlling the electric load by cooling
-
- 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
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
Definitions
- the present invention relates to a vehicle mounting structure for a high voltage battery unit in which a high voltage battery and its cooling fan motor are arranged at the lower part of the vehicle.
- a high-voltage battery mounted on an electric vehicle is disposed on a floor panel under a rear seat, for example, as described in Patent Document 1 below, and a cooling fan motor for cooling a high-voltage battery that generates heat
- the high voltage batteries are arranged side by side along the vehicle width direction.
- Patent Document 1 JP 2002-166728 A
- an object of the present invention is to make it possible to effectively use a space in a side portion of a high-voltage battery unit even when a high-voltage battery having a large capacity is mounted on the vehicle.
- a high voltage battery is mounted at the lower part of a vehicle, and a cooling fan motor for cooling the high voltage battery is disposed on the same horizontal plane and in the vicinity of the rear side of the vehicle with respect to the high voltage battery. Doing is the main feature.
- the cooling fan motor is disposed on the same horizontal plane and in the vicinity of the rear side of the vehicle with respect to the high-voltage battery. Even if a high-voltage battery with a large capacity is installed, the space on the side of the vehicle of the high-voltage battery can be used effectively.
- the cooling fan motor is arranged in the vicinity of the vehicle rear side of the high voltage battery, the distance between the high voltage battery and the cooling fan motor for cooling the same is shortened, and the cooling efficiency is increased. be able to.
- the cooling fan motor is disposed behind the high-voltage battery in the vehicle, it is possible to prevent the cooling fan motor from coming into contact with the high-voltage battery, particularly during a collision from the side of the vehicle. It is possible to prevent damage to the high-voltage battery that is a component.
- the cooling fan motor is arranged on the same plane as the high voltage battery, the cooling fan motor can be stored together with the high voltage battery under the luggage board on the floor panel, thereby reducing the luggage space. It can be used effectively.
- FIG. 1 is a plan view of a rear portion of a vehicle showing a vehicle mounting structure of a high voltage battery unit according to a first embodiment of the present invention.
- FIG. 2 is a cross-sectional view taken along the line AA in FIG.
- FIG. 3 is a plan view of FIG. 1 with the luggage board and utility box removed.
- FIG. 4 is a cross-sectional view taken along the line BB in FIG.
- FIG. 5 is a CC cross-sectional view of FIG.
- FIG. 6 is a sectional view taken along the line DD of FIG.
- FIG. 7 is a cross-sectional view corresponding to FIG. 4, showing a second embodiment of the present invention.
- FIG. 1 is a plan view of a rear portion of a vehicle showing a vehicle mounting structure for a high voltage battery unit according to a first embodiment of the present invention.
- the direction indicated by the arrow FR is the front of the vehicle.
- This vehicle is a fuel cell vehicle on which a fuel cell (not shown) is mounted, and a high voltage battery 5 is disposed on a rear floor panel 3 between a pair of left and right wheel houses 1 at the rear of the vehicle.
- a utility box 7 as an article storage box is installed in the luggage compartment behind the vehicle of the high voltage battery 5, and a utility box 9 as an article storage box is provided on both sides of the utility box 7 in the vehicle width direction. And utility box 11 will be installed.
- the high-voltage battery 5 is housed in a notch case, and the exhaust duct 13 for discharging the air in the case to the outside is connected to the rear side of the high-voltage battery 5 and the downstream end thereof is Connected to a cooling fan unit 15 for cooling the voltage battery 5.
- An intake port 5a for introducing air into the battery case is provided at the vehicle front end of the battery case.
- the cooling fan unit 15 includes a cooling fan 17 and a cooling fan motor 19 that rotates the cooling fan 17, respectively, and the utility box A7 on the same horizontal plane and in the vicinity of the rear side of the vehicle with respect to the high-voltage battery 5. It is arranged in the gap between.
- the high voltage battery 5 and the cooling fan unit 15 described above constitute a high voltage battery unit.
- FIG. 2 is a cross-sectional view taken along the line AA in FIG. 1.
- the vertical direction is the vehicle height direction.
- a hydrogen tank 21 for storing hydrogen supplied as fuel to a fuel cell (not shown) is installed below the floor panel on the vehicle front side of the high-voltage battery 5.
- the hydrogen tank 21 is fixed to the vehicle body via tank holding members 25 attached to a vehicle body skeleton member such as a rear side member 23 extending in the vehicle longitudinal direction on both sides in the vehicle width direction (both sides in the left-right direction in FIG. 2).
- the cooling fan motor 19 is fixed on the rear floor panel 3 on the rear side member 23 and on the outer side in the vehicle width direction with respect to the high voltage battery 5, and at the outer position in the vehicle width direction, the wheel fan,
- a hydrogen-filled pipe 27 as a hydrogen pipe is extended in the longitudinal direction of the vehicle.
- the hydrogen filling pipe 27 is a path for supplying hydrogen from the filling port 27a shown in FIG. 1 and filling the hydrogen tank 21 described above. As shown in FIG. The vehicle height direction positions are shifted from each other so that the hydrogen filling pipe 27 is at a higher position than the motor 19.
- the force that covers the utility board 7, the utility box 9 and the utility box 11 is covered with the luggage board 29.
- the luggage board 29 is omitted.
- the space force on the luggage board 29 becomes a luggage space, that is, a luggage room 30 as a vehicle compartment.
- FIG. 3 is a plan view of FIG. 1 with the luggage board 29, the utility box 7, and the utility box 11 removed, and the heat generated from the high-voltage battery 5 at the rear of the cooling fan unit 15 in the vehicle.
- the exhaust duct 31 is connected to the exhaust fan 31, which receives exhaust air from the cooling fan motor 19.
- FIG. 4 is a cross-sectional view taken along the line BB in FIG. 1, and the vertical direction in FIG. 4 is the vehicle height direction. According to this, the exhaust duct 31 is arranged in the division between the utility box 7 and the utility box 9.
- the exhaust duct 31 includes an end upper wall 7a of the utility box 7, and an end side wall extending downward from the right end of the end upper wall 7a in the vehicle width direction and having a lower end reaching the rear floor panel 3.
- the periphery of the utility box 9 is surrounded on three sides by the right end wall 9a in the vehicle width direction.
- FIG. 5 is a cross-sectional view taken along the line CC of FIG. 1.
- the exhaust port 31a of the exhaust duct 31 is set near the vehicle body rear panel 33 near the rear end of the vehicle.
- FIG. 6 is a sectional view taken along the line D-D in FIG. 1. As is clear from FIG. 6 and FIG. 4 described above, the lower end portions of the utility box 7, the utility box 9, and the utility box 11 are Place it in close contact with the floor panel 3.
- the cooling fan motor 19 is disposed on the same horizontal plane and in the vicinity of the rear side of the vehicle with respect to the high voltage battery 5, a space between the high voltage battery 5 and the wheel house 1 on the side of the vehicle is provided. Even when a high-voltage battery 5 with a large capacity is installed, the space between the high-voltage battery 5 and the wheel house 1 on the side of the vehicle is effective, for example, by wiring an electric wire. Can be used.
- cooling fan motor 19 is disposed in the vicinity of the rear side of the high-voltage battery 5 in the vehicle, the distance between the high-voltage battery 5 and the cooling fan motor 19 for cooling the high-voltage battery 5 is shortened. Cooling efficiency can be increased.
- the cooling fan motor 19 is disposed outside the high-voltage battery 5 in the vehicle width direction. Therefore, the cooling fan motor 19 can be prevented from coming into contact with the high-voltage battery 5 particularly at the time of a collision from the rear of the vehicle, and damage to the high-voltage battery 19 that is a high-power component can be prevented at the time of the collision. Furthermore, since the cooling fan motor 19 is arranged behind the high-voltage battery 5 in the longitudinal direction of the vehicle, the cooling fan motor 19 is in contact with the high-voltage battery 5 particularly in the event of a vehicle side force collision. And can prevent damage to the high-voltage battery 5 that is a high-power component in the event of a collision.
- the cooling fan motor 19 Since the cooling fan motor 19 is arranged on the same plane as the high voltage battery 5, the cooling fan motor 19 can be stored together with the high voltage battery 5 under the luggage board 29 on the rear floor panel 3.
- the luggage space (loading room 30) can be used effectively.
- the hydrogen filling pipe 27 and the cooling fan motor 19 are displaced from each other in the vehicle height direction when viewed from the front-rear direction of the vehicle.
- the filling pipe 27 can be prevented from being caught between the cooling fan motor 19 and a tire (not shown) in the wheel house, and no special reinforcement is required to prevent such a situation.
- the cooling fan motor 19 is disposed on the rear side member 23, which is a vehicle body skeleton member located at the lower part of the vehicle body. Accordingly, the cooling fan motor 19 can be prevented from shifting in the vehicle width direction.
- the exhaust duct 31 is disposed in a divided portion that becomes a dead space between the plurality of utility boxes 7 and the utility boxes 9 provided in the passenger compartment (the cargo compartment 30).
- the space in the cargo compartment 30 can be effectively used, and the capacity of the utility box 7 and utility box 9 can be secured to a large extent, and the cargo space available to the user can be secured to the maximum.
- FIG. 4 Furthermore, as shown in FIG. 4, utility box 7 and utility box 9 in which an exhaust duct 31 that is an exhaust path from a cooling fan motor 19 that is a sound vibration generation source is formed of a foam material having a sound absorbing effect. By covering with, sound vibration performance can be enhanced.
- the utility box 7 and utility box 9 can also be used as sound insulation materials (sound absorbing materials), so that weight reduction and cost reduction can be achieved compared to the case where separate sound insulation materials are provided.
- the exhaust port 31a of the exhaust duct 31 that is a sound vibration discharge portion is located near the rear end of the vehicle, so that a distance from the occupant in front of the vehicle can be secured, and the sound vibration performance Can be increased. In addition, since the distance from the cooling fan motor 19 that is the sound vibration source to the discharge port 31a is secured, sound attenuation can be effectively performed in the exhaust duct 31, and sound vibration performance is improved.
- the utility box 7 and the utility box 9 are brought into close contact with the rear floor panel 3, so that the air around the duct heated by the exhaust duct 31 is transferred to the high voltage battery 5 side. Backflow into the battery can be prevented, and the cooling efficiency for the high-voltage battery 5 is improved.
- FIG. 7 is a cross-sectional view corresponding to FIG. 4, showing a second embodiment of the present invention.
- an exhaust dart 310 is set instead of the exhaust duct 31 in the first embodiment shown in FIG.
- the exhaust duct 310 is configured to exhaust a region surrounded by the four sides of the upper end wall 7a of the utility box 7, the end side wall 7b, the end side wall 9a of the utility box 9, and the rear floor panel 3. Therefore, in this case, a space between the outer walls of the plurality of article storage boxes provided in the passenger compartment serves as an exhaust passage.
- the exhaust duct 310 configured as described above becomes the utility box 7 and the utility box 9 in which the inner wall of the exhaust passage itself is made of a foaming material having a sound absorbing effect, and the sound vibration performance can be improved.
- utility box 7 and utility box 9 can also be used as sound insulation and exhaust ducts, achieving weight reduction and cost reduction compared to the case where separate dedicated sound insulation and exhaust ducts are provided.
- an exhaust port 35 is set on the rear side of the vehicle, and the exhaust port 35 and the cooling fan unit 15 are connected by an exhaust duct (not shown).
- the exhaust duct in this case is provided separately as shown in FIG. 4 by the force that is formed so as to surround two utility boxes that are set separately or by the exhaust duct 310 shown in FIG.
- the area enclosed by the two utility boxes and the rear floor panel 3 is formed as an exhaust passage.
- the sound vibration performance is improved and a separate dedicated shielding is provided.
- Weight reduction and cost reduction can be achieved as compared with the case where a sound material and an exhaust duct are provided.
- the cooling fan motor is disposed on the same horizontal plane and in the vicinity of the rear side of the vehicle with respect to the high voltage battery, it is possible to secure a space in the vehicle side portion of the high voltage battery. Even when a high-voltage battery with a large capacity is installed, the space on the side of the vehicle of the high-voltage battery can be used effectively.
- the cooling fan motor is arranged in the vicinity of the rear side of the high-voltage battery, the distance between the high-voltage battery and the cooling fan motor for cooling the high-voltage battery is shortened, and the cooling efficiency is increased. be able to.
- the cooling fan motor is arranged behind the high-voltage battery in the vehicle, it is possible to prevent the cooling fan motor from contacting the high-voltage battery, particularly during a collision from the side of the vehicle. It is possible to prevent damage to the high-voltage battery that is a component.
- the cooling fan motor is arranged on the same plane as the high voltage battery, the cooling fan motor can be stored together with the high voltage battery under the luggage board on the floor panel, and the luggage space is reduced. It can be used effectively.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05809240A EP1829724B1 (en) | 2004-12-24 | 2005-11-22 | Vehicle mounted structure of high voltage battery unit |
DE602005018964T DE602005018964D1 (de) | 2004-12-24 | 2005-11-22 | Fahrzeugmontierte struktur für hochspannungsbatterieeinheit |
US12/239,147 US7967093B2 (en) | 2004-12-24 | 2008-09-26 | High-voltage battery unit mounting structure for vehicle |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-374519 | 2004-12-24 | ||
JP2004374519A JP4534757B2 (ja) | 2004-12-24 | 2004-12-24 | 高電圧バッテリユニットの車両搭載構造 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11722645 A-371-Of-International | 2005-11-22 | ||
US12/239,147 Continuation US7967093B2 (en) | 2004-12-24 | 2008-09-26 | High-voltage battery unit mounting structure for vehicle |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006067928A1 true WO2006067928A1 (ja) | 2006-06-29 |
Family
ID=36601533
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/021462 WO2006067928A1 (ja) | 2004-12-24 | 2005-11-22 | 高電圧バッテリユニットの車両搭載構造 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7967093B2 (ja) |
EP (1) | EP1829724B1 (ja) |
JP (1) | JP4534757B2 (ja) |
DE (1) | DE602005018964D1 (ja) |
WO (1) | WO2006067928A1 (ja) |
Cited By (1)
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JP2009087774A (ja) * | 2007-09-28 | 2009-04-23 | Mitsubishi Motors Corp | バッテリユニット |
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JP5141026B2 (ja) * | 2006-02-27 | 2013-02-13 | トヨタ自動車株式会社 | 蓄電パックの車載構造 |
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- 2005-11-22 DE DE602005018964T patent/DE602005018964D1/de active Active
- 2005-11-22 EP EP05809240A patent/EP1829724B1/en not_active Expired - Fee Related
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2008
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Also Published As
Publication number | Publication date |
---|---|
EP1829724B1 (en) | 2010-01-13 |
DE602005018964D1 (de) | 2010-03-04 |
JP4534757B2 (ja) | 2010-09-01 |
US20090090575A1 (en) | 2009-04-09 |
JP2006182044A (ja) | 2006-07-13 |
EP1829724A4 (en) | 2008-01-09 |
US7967093B2 (en) | 2011-06-28 |
EP1829724A1 (en) | 2007-09-05 |
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