WO2014046072A1 - 電動車両用強電ユニットの搭載構造 - Google Patents
電動車両用強電ユニットの搭載構造 Download PDFInfo
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- WO2014046072A1 WO2014046072A1 PCT/JP2013/074983 JP2013074983W WO2014046072A1 WO 2014046072 A1 WO2014046072 A1 WO 2014046072A1 JP 2013074983 W JP2013074983 W JP 2013074983W WO 2014046072 A1 WO2014046072 A1 WO 2014046072A1
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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
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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
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/26—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
-
- 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
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/40—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/007—Physical arrangements or structures of drive train converters specially adapted for the propulsion motors of electric vehicles
-
- 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
- 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
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2306/00—Other features of vehicle sub-units
- B60Y2306/01—Reducing damages in case of crash, e.g. by improving battery protection
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Definitions
- the present invention relates to a mounting structure of a high power unit mounted on an electric vehicle.
- An electric vehicle having only the electric motor as a drive source and a hybrid vehicle having both the electric motor and the internal combustion engine as a drive source include an electric motor and an inverter for driving and controlling the electric motor as a high-power unit.
- an inverter case for housing an inverter is disposed on the upper side of a motor case for housing a motor to form a mechanical-electrical integrated unit, and the mechanical-electrical integrated unit is a vehicle body fixing portion provided on the motor case The structure fixed to is described.
- the mechanical-electrical integrated unit performs a rotational motion centering on the vehicle body fixing portion by the inertial force.
- the distance from the vehicle body fixing portion to the center of gravity of the inverter case is higher than in the case where the inverter case and the motor case are arranged in the vehicle width direction.
- the moment of inertia acting on the inverter case at the time of a vehicle collision increases.
- the impact load in the case where the inverter case collides with another component or the like in the motor room increases, and the possibility of breakage of the inverter case increases.
- An object of the present invention is to mount a high-power unit for an electric vehicle so as to reduce an impact load on the high-power unit when the vehicle collides and to prevent breakage of the high-power unit.
- a first high power unit having a vehicle body fixing portion for fixing to a vehicle body at both ends in the vehicle width direction, and a second high power unit disposed side by side above the vehicle in the vehicle vertical direction of the first high power unit
- the high-power weight components included in the second high-power unit are disposed closer to the lowermost surface in the vehicle vertical direction.
- FIG. 1A is a side view of the mounting structure of the high-power unit for an electric vehicle according to the first embodiment.
- FIG. 1B is a front view of the mounting structure of the electric power unit for an electric vehicle according to the first embodiment.
- FIG. 2A is a front view of a conventional mechanical-electrical integrated structure.
- FIG. 2B is a front view of the electro-mechanical integrated structure of the present embodiment.
- FIG. 3A is a diagram showing a mechanical-electrical integrated configuration similar to FIG. 1B.
- FIG. 3B is a view showing another example of the convex portion of the inverter.
- FIG. 3C is a figure which shows the further another example of the convex part of an inverter.
- FIG. 1A is a side view of the mounting structure of the high-power unit for an electric vehicle according to the first embodiment.
- FIG. 1B is a front view of the mounting structure of the electric power unit for an electric vehicle according to the first embodiment.
- FIG. 2A is a front
- FIG. 4 is a front view of the mounting structure of the high voltage unit for an electric vehicle according to the second embodiment.
- FIG. 5A is a diagram showing the lowermost surface when the inverter has a convex portion.
- FIG. 5B is a diagram showing the lowermost surface when the lower surface of the inverter is a flat plate.
- FIG. 6A is a front view of the mounting structure of the high voltage unit for an electric vehicle according to the third embodiment.
- FIG. 6B is an enlarged view of area A of FIG. 6A.
- FIG. 7 is a side view showing the state of the mechanical-electrical integrated configuration at the time of a collision.
- FIG. 1A is a view (side view) of the mounting structure of the high-power unit for an electric vehicle according to the first embodiment of the present invention as viewed from the vehicle width direction
- FIG. 1B is a view (front view) of the same .
- the left side of the drawing is the front of the vehicle.
- the electric motor 2 as the first power unit is, for example, a permanent magnet synchronous motor, and includes a cylindrical housing 3 extending in the vehicle width direction and inverter fixing portions 4 disposed at both ends in the vehicle width direction of the housing 3. It consists of The electric motor 2 is fixed to the vehicle via mounts 5 provided at both ends in the vehicle width direction.
- the inverter 1 as a second high-power unit includes high-power components such as a power module 7 and a smoothing capacitor 8 which will be described later, an inverter case 9 for housing these components, and a cooler 6 having a flat plate structure. Output a three-phase current. Then, the inverter 1 is installed above the electric motor 2. The inverter 1 and the electric motor 2 are bolted together. Further, the cooler 6 is bolted to the upper portion of the inverter case 9.
- the power module 7 and the smoothing capacitor 8 which are parts having a relatively large mass (high electric weight parts) among the high electric parts are viewed from the front of the vehicle. It is fixed by bolt fastening so that it may be settled between the inverter fixing parts 4 of the above.
- a lower surface 1B of the inverter 1 is a convex portion 1A partially projecting downward in the vehicle vertical direction, and the convex portion 1A is formed between two inverter fixing portions 4 of the electric motor 2 Engaging with the recess 2A, the inverter 1 and the electric motor 2 are integrated.
- FIG. 2 is a diagram for explaining the lowering of the center of gravity of the inverter 1.
- FIG. 2A is a combination of the inverter 1 and the electric motor 2 having a flat bottom surface
- FIG. 2B is a diagram of the inverter 1 and the electric motor 2 of this embodiment. The combination is shown.
- a space (concave portion 2 ⁇ / b> A) is vacant in a portion corresponding to the upper portion of the housing 3 between the left and right inverter fixing portions 4.
- the inverter 1 is arranged above the electric motor 2 as described above, if the bottom surface of the inverter 1 is flat, the recess 2A remains empty as shown in FIG. 2A.
- the convex portion 1A engaged with the concave portion 2A is provided on the lower surface 1B of the inverter 1, while the volume equivalent to that of the inverter 1 of FIG. 2A is maintained, H), the height in the vertical direction of the vehicle of the electromechanical integrated configuration of the electric motor 2 and the inverter 1 can be lowered. That is, the position of the center of gravity of the inverter 1 when the electric motor 2 and the inverter 1 are integrally configured can be lowered as compared with the case where the bottom surface of the inverter 1 is flat as shown in FIG. 2A.
- a part of the smoothing capacitor 8 having the largest mass is disposed so as to be contained in the convex portion 1A.
- the power module 7 and the smoothing capacitor 8 are disposed on the upper surface of the inverter 1, and the upper surface has a horizontal flat plate structure.
- the height from the straight line connecting the two mounts 5 to the cooler 6 can be kept constant.
- the inverter case 9 is configured or the smoothing capacitor 8 is disposed such that the distance from the rotation axis connecting the two mounts 5 (hereinafter simply referred to as “rotation axis”) to the center of gravity of the inverter 1 becomes shorter. It is doing. As a result, the moment of inertia of the inverter 1 can be reduced to reduce the impact, and damage to the inverter 1 and the like due to the impact load at the time of a collision can be prevented.
- the distance from the rotary shaft to the cooler 6 becomes constant, and the moment of inertia due to the arrangement of the cooler 6 Can be suppressed.
- FIG. 3A shows the inverter 1 and the electric motor 2 shown in FIG. 1B etc. extracted. That is, the convex portion 1A is provided such that the center in the vehicle width direction coincides with the center in the vehicle width direction of the inverter case 9. Further, the recess 2A is also provided such that the center in the vehicle width direction coincides with the center in the vehicle width direction of the electric motor 2, and the centers in the vehicle width direction of the protrusion 1A and the recess 2A also match.
- the said effect by providing convex part 1A is not necessarily restricted to such composition. For example, as shown in FIG. 3B and FIG.
- FIG. 4 is a front view of the mounting structure of the high-power unit for an electric vehicle according to the second embodiment of the present invention.
- This embodiment is the same as the first embodiment in that the center of the convex portion 1A in the vehicle width direction coincides with the center of the inverter 1 in the vehicle width direction, but the arrangement of the power module 7 and the smoothing capacitor 8 is the first embodiment. It is different from Specifically, the smoothing capacitor 8 having the largest mass among the high-power components included in the inverter 1 is disposed on the bottom surface of the convex portion 1A, that is, the lowermost surface 1B of the inverter 1, and the power module 7 is disposed thereon . The smoothing capacitor 8 is disposed such that the center in the vehicle width direction coincides with the center in the vehicle width direction of the convex portion 1A.
- the smoothing capacitor 8 having the largest mass among the high-power components included in the inverter 1 is disposed at a position closest to the rotation axis, and the power module 7 having the second largest mass is the rotation axis next to the smoothing capacitor 8. It is placed close to the
- the smoothing capacitor 8 having the largest mass among the high-power components included in the inverter 1 can be arranged on the lowermost surface 1B of the convex portion 1A. As a result, the moment of inertia at the time of a collision is reduced, the shock is alleviated, and damage to the inverter 1 can be prevented.
- the smoothing capacitor 8 by arranging the smoothing capacitor 8 so that the center in the vehicle width direction coincides with the center in the vehicle width direction of the convex portion 1A, the distance from each part in the vehicle width direction of the rotation axis to the center of gravity of the inverter 1 It can be made equally short. As a result, the moment of inertia of the inverter 1 at the time of a collision can be further reduced.
- the smoothing capacitor 8 having the largest mass among the high-power components included in the inverter 1 and the power module 7 having the largest mass closer to the rotation axis as the mass having a larger mass is disposed the moment of inertia at the time of collision Can be effectively reduced.
- FIG. 5A similarly to the above, the lowermost surface of the inverter 1 is the lowermost surface 1B of the convex portion 1A, and the smoothing capacitor 8 is disposed on the lowermost surface 1B.
- FIG. 5B shows the case where the lower surface of the inverter 1 does not have the convex portion 1A. Since there is no convex portion 1A, the lowermost surface 1B of the inverter 1 is in contact with the upper surface of the electric motor 2.
- the gravity center position of the inverter 1 is lowered, so that the moment of inertia at the time of collision can be reduced.
- the position where the smoothing capacitor 8 is disposed is not limited to the lowermost surface 1 B of the inverter 1, and may be a position at which the gravity center position of the inverter 1 can be lowered. For example, if it is a position from the lowermost surface 1B, that is, a position closer to the lowermost surface 1B than the uppermost surface, the center of gravity can be lowered although the effect is reduced as compared to the case where the lowermost surface 1B is disposed.
- FIG. 6A is a front view of a mounting structure of a high voltage unit for an electric vehicle according to a third embodiment of the present invention.
- 6B is an enlarged view of a region A enclosed by a broken line in FIG. 6A.
- the smoothing capacitor 8 having a relatively large mass and the power module 7 among the high-power components included in the inverter 1 are disposed directly above the rotation axis.
- the substrate 10 with a small mass is disposed on the rear side in the vehicle longitudinal direction far from the rotational axis as compared with the smoothing capacitor 8 and the like.
- the smoothing capacitor 8 is disposed on the lowermost surface 1B of the inverter 1, and the power module 7 is disposed thereon, as in the second embodiment.
- the inclined surface 11 is provided in upper end vicinity of the surface of the vehicle front-back direction front side of the cooler 6 contained in the inverter 1.
- the inclination angle ⁇ 1 of the inclined surface 11 is, as shown in FIG. 7, the same as the rotation angle ⁇ 2 when the inverter 1 and the electric motor 2 integrally rotate around the rotation axis when the vehicle collides from the front.
- the gravity center of the inverter 1 approaches the rotation axis by arranging the heaviest smoothing capacitor 8 among the high-power units included in the inverter 1 and the next-heavy power module 7 directly above the rotation axis. That is, the center of gravity of the inverter 1 and the rotation axis approach each other, and the moment of inertia at the time of collision can be reduced.
- the inverter 1 and the electric motor 2 integrally rotate around the rotation axis.
- the rotation angle ⁇ 2 at this time is determined by the size of the moment of inertia.
- the inverter 1 collides with the vehicle body structural component at the inclined surface 11.
- the impact load surface pressure
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Abstract
Description
図1Aは、本発明の第1実施形態に係る電動車両用強電ユニットの搭載構造を車幅方向から見た図(側面図)、図1Bは同じく車両前方から見た図(正面図)である。なお、図1Aにおいては、図面左側が車両前方である。
図4は、本発明の第2実施形態に係る電動車両用強電ユニットの搭載構造を車両正面から見た図である。
図6Aは、本発明の第3実施形態に係る電動車両用強電ユニットの搭載構造を車両正面から見た図である。図6Bは、図6Aの破線で囲んだ領域Aの拡大図である。
Claims (13)
- 車体に固定するための車体固定部を車幅方向の両端に有する第1強電ユニットと、
前記第1強電ユニットの車両上下方向上側に並んで配置される第2強電ユニットと、
を備え、
前記第2強電ユニットは、前記第2強電ユニットに含まれる強電重量部品が、車両上下方向最下面よりに配置される電動車両用強電ユニットの搭載構造。 - 請求項1に記載の電動車両用強電ユニットの搭載構造において、
前記第1強電ユニットは、車両上下方向上側の面に凹部を有し、
前記第2強電ユニットは、車両上下方向下側の面に凸部を有し、
前記凹部に前記凸部が収容された状態で前記第1強電ユニットと前記第2強電ユニットとが一体的に構成される電動車両用強電ユニットの搭載構造。 - 請求項2に記載の電動車両用強電ユニットの搭載構造において、
前記凸部の車幅方向の中央と前記第2強電ユニットの車幅方向の中央とが一致し、
前記第2強電ユニットに含まれる強電重量部品は、その車幅方向の中央が前記凸部の車幅方向の中央と一致するように配置されている電動車両用強電ユニットの搭載構造。 - 請求項2に記載の電動車両用強電ユニットの搭載構造において、
前記凸部の車幅方向の中央と前記第2強電ユニットの車幅方向の中央とが一致し、
前記凹部の車幅方向の中央と前記第1強電ユニットの車幅方向の中央とが一致し、
前記凹部と前記凸部は、それぞれの車幅方向の中央が一致する電動車両用強電ユニットの搭載構造。 - 請求項2から4のいずれかに記載の電動車両用強電ユニットの搭載構造において、
前記第2強電ユニットに含まれる強電重量部品が、少なくともその一部が前記凸部の内部に入るよう配置されている電動車両用強電ユニットの搭載構造。 - 請求項1に記載の電動車両用強電ユニットの搭載構造において、
前記第2強電ユニットに含まれる強電重量部品は、質量が大きいものほど、前記第2強電ユニット内の前記第1強電ユニットと前記第2強電ユニットとが一体となった状態で前記2つの車体固定部を結んだ軸線により近い位置に配置される電動車両用強電ユニットの搭載構造。 - 請求項6に記載の電動車両用強電ユニットの搭載構造において、
前記第2強電ユニットに含まれる強電重量部品としての平滑コンデンサが前記軸線の最も近くに配置される電動車両用強電ユニットの搭載構造。 - 請求項1に記載の電動車両用強電ユニットの搭載構造において、
前記第2強電ユニットに含まれる強電重量部品のなかで質量が大きいものが、前記第1強電ユニットと前記第2強電ユニットとが一体となった状態で前記2つの車体固定部を結んだ軸線の直上に配置される電動車両用強電ユニットの搭載構造。 - 請求項1から8のいずれかに記載の電動車両用強電ユニットの搭載構造において、
前記第2強電ユニットの車両前後方向前側の面は、少なくとも上端側の一部に傾斜面を有する電動車両用強電ユニットの搭載構造。 - 請求項9に記載の電動車両用強電ユニットの搭載構造において、
前記車両上下方向に対する前記傾斜面の傾斜角度が、車両が前方から衝突した場合に前記第1強電ユニット及び前記第2強電ユニットが一体となって、前記第1強電ユニットと前記第2強電ユニットとが一体となった状態で前記2つの車体固定部を結んだ軸線周りに回転するときの回転角度と一致する電動車両用強電ユニットの搭載構造。 - 請求項1から10のいずれかに記載の電動車両用強電ユニットの搭載構造において、
前記第2強電ユニットの強電重量部品が配置される部位が水平な平板構造になっている電動車両用強電ユニットの搭載構造。 - 請求項1から11のいずれかに記載の電動車両用強電ユニットの搭載構造において、
前記第1強電ユニットは車両駆動用のモータ、前記第2強電ユニットは前記モータを駆動するインバータである電動車両用強電ユニットの搭載構造。 - 請求項1から12のいずれかに記載の電動車両用強電ユニットの搭載構造において、
前記強電重量部品は平滑コンデンサである電動車両用強電ユニットの搭載構造。
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