WO2013073318A1 - 電気自動車 - Google Patents
電気自動車 Download PDFInfo
- Publication number
- WO2013073318A1 WO2013073318A1 PCT/JP2012/076090 JP2012076090W WO2013073318A1 WO 2013073318 A1 WO2013073318 A1 WO 2013073318A1 JP 2012076090 W JP2012076090 W JP 2012076090W WO 2013073318 A1 WO2013073318 A1 WO 2013073318A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- housing
- heat sink
- upper case
- case
- electric
- Prior art date
Links
- 238000001816 cooling Methods 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
-
- 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
- B60K1/02—Arrangement or mounting of electrical propulsion units comprising more than one electric motor
-
- 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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0007—Measures or means for preventing or attenuating collisions
-
- 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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/003—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to inverters
-
- 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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0069—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to the isolation, e.g. ground fault or leak current
-
- 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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0084—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to control modules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/02—Arrangement in connection with cooling of propulsion units with liquid 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
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
- B60K11/04—Arrangement or mounting of radiators, radiator shutters, or radiator blinds
-
- 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
-
- 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
- B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
- B60K2001/006—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric motors
-
- 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
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K15/04—Tank inlets
- B60K15/05—Inlet covers
- B60K2015/0515—Arrangements for closing or opening of inlet cover
- B60K2015/053—Arrangements for closing or opening of inlet cover with hinged connection to the vehicle body
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/52—Drive Train control parameters related to converters
- B60L2240/525—Temperature of converter or components thereof
Definitions
- the present invention relates to an electric vehicle.
- This application claims priority based on Japanese Patent Application No. 2011-248166 for which it applied to Japan on November 14, 2011, and uses the content here.
- a power control unit for electric vehicles designed to reduce the number of cables and improve space efficiency by placing electrical devices in a single package in the housing is located in the motor room at the front of the vehicle.
- An electric vehicle is conventionally known (for example, see Patent Document 1).
- the casing of the power control unit as described above is relatively large to accommodate many electric devices, considering the connection with a device such as a motor, the motor room in which the motor is accommodated as described above. It is preferable to arrange in.
- An object of the present invention is to provide an electric vehicle that can effectively protect the vehicle.
- An electric vehicle includes a power control unit having a plurality of electrical devices and a housing that houses the electrical devices, the power control unit being disposed in a motor room,
- the housing is fixed between the upper case relatively disposed on the upper side, the lower case disposed on the lower side, and the upper case and the lower case, and at approximately the middle position in the vertical direction of the housing.
- a heat sink housing that constitutes a part of the outer wall of the body, the heat sink housing includes a heat sink portion for cooling the electrical device, and an electrical device is provided above and below the heat sink housing, respectively.
- the battery is disposed below the floor of the vehicle body, the motor room is formed in the front portion of the vehicle body, and the recess is formed rearward in the vehicle body longitudinal direction.
- the cable extends from the battery, is arranged behind the motor room, is routed along the shape of a dash panel that partitions the vehicle compartment and the motor room, and enters the upper case. It may be adopted.
- the electric device covered by the upper case is supplied with electric power through the cable, branches from the electric device, and is covered by the lower case.
- a configuration in which power is distributed may be adopted.
- the casing of the power control unit is attached to the surrounding member before the cable contacts the surrounding member.
- the cable By contacting the cable, interference with members around the cable can be suppressed, and the cable can be effectively protected.
- the cable from the battery to the power control unit can be shortened.
- the number of cables related to power supply can be suppressed.
- arrow FR indicates the front of the vehicle
- arrow UP indicates the upper side of the vehicle
- arrow LH indicates the left side of the vehicle.
- FIG. 1 shows a vehicle front portion of an electric vehicle 1 according to an embodiment of the present invention.
- a left front fender 3 and a right front fender 4 that cover the left and right front wheels 2 and 2 are provided at the front portion of the electric vehicle 1.
- the left front fender 3 and the right front fender 4 are connected to a dash panel 5 extending in the vehicle width direction at the rear of each.
- the left front fender 3, the right front fender 4, and the dash panel 5 form a motor room 6 that accommodates a driving motor (not shown) at the front of the vehicle.
- the motor room 6 is separated from the rear passenger compartment by a dash panel 5.
- reference numeral 7 in FIG. 1 indicates headlights 7 and 7 connected to the front end portions of the left front fender 3 and the right front fender 4.
- a bumper (not shown) is provided between the headlights 7.
- the left front fender 3 and the right front fender 4 have charging ports 8, 8, respectively.
- the left and right charging ports 8, 8 are covered with lids 9, 9 so that they can be opened and closed.
- symbol B in FIG. 1 has shown the battery arrange
- a power control unit (hereinafter referred to as a PCU (Power Control Unit)) 10 that mainly controls the motor is disposed in the center of the motor room 6 in the vehicle width direction.
- the PCU 10 is supplied with power from the battery B.
- the PCU 10 has a substantially rectangular shape when viewed from above.
- a radiator 11 is disposed in front of the PCU 10 with respect to the vehicle longitudinal direction. The radiator 11 cools the coolant of the drive train including the motor and the PCU 10 and the coolant of the battery (not shown) by exchanging heat with the outside air that is the traveling wind.
- reference numeral 12 in the drawing denotes a unit support frame that supports the PCU 10.
- the PCU 10 is arranged so that its longitudinal direction is along the vehicle width direction, and is supported by the unit support frame 12 so that its left and right side portions are placed on the unit support frame 12.
- the electric vehicle 1 is a vehicle with a right-hand drive specification, and a symbol H in the figure indicates a handle provided in the passenger compartment.
- the PCU 10 includes a housing 21 that houses a plurality of electrical devices.
- a plurality of electrical devices such as an inverter that converts electric power from a battery from direct current to alternating current, a control device that controls the inverter, and the like are housed in the housing 21.
- the housing 21 includes an upper case 23 disposed on the upper side and a lower case 24 disposed on the lower side, and a plate-shaped heat sink housing 22 is attached between the upper case 23 and the lower case 24. ing.
- the heat sink housing 22 is positioned at an intermediate position in the vertical direction of the housing 21, and an outer peripheral portion thereof is exposed to the outside to constitute a part of the outer wall of the housing 21.
- the heat sink housing 22 is made of a material having high thermal conductivity such as an aluminum alloy, and is formed by molding such as die casting. As shown in FIG. 4, a plurality of bolt insertion holes 38... Penetrating in the vertical direction are formed in the outer peripheral portion of the heat sink housing 22.
- the heat sink housing 22, the upper case 23, and the lower case 24 are integrated by bolts passed through the bolt insertion holes 38.
- a plurality of electrical devices are fixed on the upper surface of the heat sink housing 22.
- a switching module 25 that converts a direct current supplied from a battery (not shown) into a three-layer alternating current and supplies it to the motor is installed in a substantially central region on the upper surface of the heat sink housing 22.
- a minus-side contactor 26 and a plus-side contactor 27 are installed side by side in the vehicle width direction.
- the minus-side contactor 26 and the plus-side contactor 27 are electrically connected to a diode 28 installed behind the minus-side contactor 26, and a sudden current is supplied to the battery B when charging from a relatively high-voltage fast-charging power source. So that the electrical connection is turned on or off.
- a heat sink portion 36 indicated by a two-dot chain line is provided on the lower surface of the heat sink housing 22 facing the area where the switching module 25 is installed for convenience of explanation.
- the switching module 25 is cooled by the heat sink portion 36.
- the heat sink portion 36 is constituted by, for example, a plurality of fins or a water jacket through which cooling water flows.
- the lower case 24 is coupled to the lower surface of the heat sink housing 22 in a state in which a step-down DC-DC converter (hereinafter referred to as a down converter) and a charger (not shown) are accommodated.
- the down converter is a device that steps down the power from the battery B.
- the charger is a device that enables charging from a household power source, and includes an AC / DC converter and the like.
- lower case 24 includes a lower case body 24 ⁇ / b> A composed of a top plate portion and a side wall portion extending downward from the outer peripheral edge of the top plate portion, and a bottom cover member that covers the side wall portion of lower case 24 ⁇ / b> A from below. 24B.
- FIG. 5 shows a state in which the bottom cover member 24B is removed, and a space for accommodating the down converter and the charger is formed on the inner side of the lower case body 24A.
- the upper case 23 is configured to form a storage space for the various electric devices installed on the upper surface of the heat sink casing 22 by being coupled to the heat sink casing 22, and covers the various electric devices from above.
- the upper case 23 is connected to the upper case body 23A, which forms a side wall in the upper case 23, and the upper case body 23A.
- the case 23 includes first to third lids 41 to 43 constituting a part of the upper wall.
- the upper case body 23A is formed with first to third openings 44 to 46 for maintenance.
- the first to third lids 41 to 43 are detachably attached to the openings 44 to 46, respectively. By removing these lids 41 to 43, the internal electrical device can be maintained.
- the switching module 25 covered by the upper case 23 is electrically connected to the battery B.
- a plus side high voltage cable 50 and a minus side high voltage cable 51 for electrically connecting the switching module 25 and the battery B are connected to the rear portion of the PCU 10.
- a recessed portion 60 is formed in a substantially central portion of the rear portion of the lower case 24 that is recessed toward the inside and exposes the lower surface of the heat sink housing 22 downward.
- the plus-side high-voltage cable 50 and the minus-side high-voltage cable 51 are passed through the recess 60 from below.
- FIG. 6 is a top view of the upper case 23 and the heat sink housing 22. As shown in FIG. 6, a pair of through holes 61 and 61 are formed in a portion of the heat sink housing 22 located above the recess 60. The plus-side high-voltage cable 50 and the minus-side high-voltage cable 51 enter the inside of the upper case 23 through these through holes 61 and 61 and are connected to the switching module 25.
- the dash panel 5 extends obliquely forward and upward from the rear of the vehicle and extends upward at a position below the PCU 10 to define the motor room 6.
- the plus-side high-voltage cable 50 and the minus-side high-voltage cable 51 are routed from the battery B under the floor along the shape of the dash panel 5 and enter the upper case 23 as described above.
- a power line (not shown) is further connected to the switching module 25 in addition to the plus high voltage cable 50 and the minus high voltage cable 51. Power is distributed from the power line to the down converter in the lower case 24. This power line is connected to the down converter through a through hole (not shown) provided in the heat sink housing 22.
- the casing 21 of the PCU 10 includes the upper case 23 disposed on the upper side, the lower case 24 disposed on the lower side, the upper case 23 and the lower case 24. And a heat sink case 22 that constitutes a part of the outer wall of the case at a substantially intermediate position in the vertical direction, and the heat sink case 22 includes a heat sink portion 36 for cooling the electric device. Electrical devices (a switching module 25 on the upper side, a down converter and a charger on the lower side) are respectively arranged on the upper side and the lower side of the heat sink housing 22, and these electric devices are covered with an upper case 23 and a lower case 24, respectively. Yes.
- the lower case 24 is formed with a recess 60 that is recessed toward the inner side and exposes the lower surface of the heat sink housing 22 downward.
- the electric device (switching module 25) covered with the battery B and the upper case 23.
- the high-voltage cable 50 and the negative high-voltage cable 51 that pass through the concave portion 60 and enter the upper case 23 from the lower surface of the heat sink housing 22. 51 is connected to the switching module 25 covered with the upper case 23.
- the battery B is disposed under the floor of the vehicle, the motor room 6 is formed in the front portion of the vehicle, and the recess 60 is formed rearward in the vehicle front-rear direction, and the plus side high voltage cable 50 and the minus side high voltage.
- a cable 51 extends from the battery B, is arranged behind the motor room 6, is routed along the shape of the dash panel 5 that partitions the vehicle compartment and the motor room 6, and enters the upper case 23. In such a configuration, the plus-side high-voltage cable 50 and the minus-side high-voltage cable 51 from the battery B to the PCU 10 can be shortened.
- the switching module 25 is supplied with power through the plus-side high-voltage cable 50 and the minus-side high-voltage cable 51, branches from the switching module 25, and is distributed to the down converter covered by the lower case 24. It is configured. With such a configuration, the number of cables for power supply can be suppressed.
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Description
本願は、2011年11月14日に日本国に出願された特願2011-248166号に基づき優先権を主張し、その内容をここに援用する。
(1)本発明の一態様に係る電気自動車は、複数の電気デバイス及び、これら電気デバイスを収納する筐体を有するパワーコントロールユニットを備え、前記パワーコントロールユニットは、モータルーム内に配置され、前記筐体は、相対的に上側に配置されるアッパケースと、下側に配置されるロアケースと、前記アッパケースと前記ロアケースとの間に固定され、前記筐体の上下方向略中間位置で前記筐体の外壁の一部を構成するヒートシンク筐体とを備え、前記ヒートシンク筐体は、前記電気デバイスを冷却するためのヒートシンク部を備え、前記ヒートシンク筐体の上側及び下側には、それぞれ電気デバイスが配され、これら電気デバイスは、前記アッパケース及び前記ロアケースによってそれぞれ覆われ、前記ロアケースには、前記筐体の内部側に向けて凹んで、前記ヒートシンク筐体の下面を下方に向けて露出させる凹部が形成され、前記筐体の外部に配される電気デバイスと、前記アッパケースに覆われる前記電気デバイスと、の間を接続するケーブルが、前記凹部を通って、前記ヒートシンク筐体の下面から前記アッパケースの内部に進入し、前記ケーブルが、前記アッパケースに覆われる前記電気デバイスに接続されている。
そしてロアケース24には、内部側に向けて凹んで、ヒートシンク筐体22の下面を下方に向けて露出させる凹部60が形成され、バッテリBとアッパケース23に覆われる電気デバイス(スイッチングモジュール25)と、を接続するプラス側高圧ケーブル50及びマイナス側高圧ケーブル51が、凹部60を通って、ヒートシンク筐体22の下面からアッパケース23の内部に進入し、これらプラス側高圧ケーブル50及びマイナス側高圧ケーブル51が、アッパケース23に覆われるスイッチングモジュール25に接続されている。
5 ダッシュパネル
6 モータルーム
10 パワーコントロールユニット(PCU)
21 筐体
22 ヒートシンク筐体
23 アッパケース
24 ロアケース
36 ヒートシンク部
50 プラス側高圧ケーブル(ケーブル)
51 マイナス側高圧ケーブル(ケーブル)
60 凹部
B バッテリ
Claims (3)
- 複数の電気デバイス及び、これら電気デバイスを収納する筐体を有するパワーコントロールユニットを備え、
前記パワーコントロールユニットは、モータルーム内に配置され;
前記筐体は、相対的に上側に配置されるアッパケースと、下側に配置されるロアケースと、前記アッパケースと前記ロアケースとの間に固定され、前記筐体の上下方向略中間位置で前記筐体の外壁の一部を構成するヒートシンク筐体とを備え;
前記ヒートシンク筐体は、前記電気デバイスを冷却するためのヒートシンク部を備え;
前記ヒートシンク筐体の上側及び下側には、それぞれ電気デバイスが配され;
これら電気デバイスは、前記アッパケース及び前記ロアケースによってそれぞれ覆われ;
前記ロアケースには、前記筐体の内部側に向けて凹んで、前記ヒートシンク筐体の下面を下方に向けて露出させる凹部が形成され;
前記筐体の外部に配される電気デバイスと、前記アッパケースに覆われる前記電気デバイスと、の間を接続するケーブルが、前記凹部を通って、前記ヒートシンク筐体の下面から前記アッパケースの内部に進入し、前記ケーブルが、前記アッパケースに覆われる前記電気デバイスに接続されている;
ことを特徴とする電気自動車。 - バッテリは、車体の床下に配置され、
前記モータルームは車体前部に形成され、
前記凹部は、車体前後方向で後方に形成され、
前記ケーブルは、前記バッテリから延出し、前記モータルームの後方に配置されて車室と前記モータルームとを区画するダッシュパネルの形状に沿って配索され、前記アッパケースの内部に進入する、ことを特徴とする請求項1に記載の電気自動車。 - 前記アッパケースに覆われる前記電気デバイスは、前記ケーブルを通して電力が供給され、前記電気デバイスから分岐して、前記ロアケースに覆われる前記電気デバイスに電力が分配されるように構成されている、ことを特徴とする請求項2に記載の電気自動車。
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US13/993,584 US8757304B2 (en) | 2011-11-14 | 2012-10-09 | Electric vehicle |
CN2012800040652A CN103298635A (zh) | 2011-11-14 | 2012-10-09 | 电动机动车 |
JP2013511472A JP5277360B1 (ja) | 2011-11-14 | 2012-10-09 | 電気自動車 |
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US (1) | US8757304B2 (ja) |
JP (1) | JP5277360B1 (ja) |
CN (1) | CN103298635A (ja) |
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US20140090908A1 (en) | 2014-04-03 |
JP5277360B1 (ja) | 2013-08-28 |
CN103298635A (zh) | 2013-09-11 |
JPWO2013073318A1 (ja) | 2015-04-02 |
US8757304B2 (en) | 2014-06-24 |
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