WO2014045708A1 - Unité d'alimentation montée dans un véhicule - Google Patents

Unité d'alimentation montée dans un véhicule Download PDF

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Publication number
WO2014045708A1
WO2014045708A1 PCT/JP2013/070090 JP2013070090W WO2014045708A1 WO 2014045708 A1 WO2014045708 A1 WO 2014045708A1 JP 2013070090 W JP2013070090 W JP 2013070090W WO 2014045708 A1 WO2014045708 A1 WO 2014045708A1
Authority
WO
WIPO (PCT)
Prior art keywords
inverter
vehicle
distribution module
power distribution
power
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2013/070090
Other languages
English (en)
Japanese (ja)
Inventor
辰弥 進藤
宏行 渋井
豪成 奥山
敦明 横山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Publication of WO2014045708A1 publication Critical patent/WO2014045708A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • B60L50/51—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells characterised by AC-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
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

Definitions

  • the present invention relates to an arrangement of a high voltage device mounted on an electric vehicle or a plug-in hybrid drive vehicle.
  • Electric vehicles and plug-in hybrid drive vehicles are equipped with high-power devices such as electric motors, inverters, batteries, battery chargers, and junction boxes. These devices are electrically connected by a high voltage cable.
  • JP2001-097052A issued by the Japan Patent Office in 2001, proposes a structure for mounting an inverter on a vehicle in order to prevent disconnection of a high-voltage cable against the impact of the vehicle.
  • the electrical connection using the high voltage cable has a high cost as well as the following problems regarding the arrangement of the high voltage cable.
  • the high-voltage cable is difficult to bend from the beginning, and the arrangement route is also restricted from the viewpoint of absorbing the vibration of the electric motor. Also, the cable diameter is likely to be limited. In order to increase the output of an electric motor, it is indispensable to cope with a large current of a high voltage cable. However, due to such limitations, it is difficult to realize a large current of a high voltage cable.
  • the present invention has been made to solve the above-mentioned problems related to the arrangement of high-voltage cables for connecting high-voltage devices, and is intended to shorten the connection distance of high-voltage cables in electric vehicles and plug-in hybrid drive vehicles. Objective.
  • a vehicle-mounted high power unit includes an electric motor, an inverter, and a power distribution module to which a high voltage cable is connected.
  • the inverter is fixed on the electric motor
  • the power distribution module is fixed on the inverter.
  • FIG. 1 is a front view of a vehicle-mounted high power unit according to the first embodiment of the present invention.
  • FIG. 2 is a schematic vertical view of the power distribution module according to the first embodiment of the present invention.
  • FIG. 3 is a rear view of the on-vehicle high power unit.
  • FIG. 4 is a side view of the main part of the on-vehicle high power unit.
  • FIG. 5 is a side view of the vehicle-mounted high power unit viewed from the opposite direction to
  • FIG. 6A and 6B are a front view and a plan view of a vehicle-mounted high-power unit according to the second embodiment of the present invention relating to the arrangement of bus bars.
  • a vehicle-mounted high power unit 1 is disposed on an electric motor 2, an inverter 3 disposed on the electric motor 2, and an inverter 3. It consists of a power distribution module 4.
  • the high power unit 1 is mounted in a portion corresponding to an engine room of a vehicle such as an electric vehicle or a plug-in hybrid drive vehicle.
  • FIG. 1 corresponds to a front view of the high power unit 1 as viewed from the traveling direction of the vehicle.
  • the electric motor 2 functions as a power source for the vehicle.
  • the electric motor 2 is composed of, for example, an AC synchronous motor.
  • the electric motor 2 is operated by power supply from a battery (not shown) mounted on the vehicle.
  • the inverter 3 performs control including conversion between alternating current and direct current with respect to the supply current from the battery to the electric motor 2 and the charging current from the outside to the battery.
  • the high-power unit 1 by configuring the high-power unit 1 with the electric motor 2, the inverter 3, and the power distribution module 4 stacked in the vertical direction, the length of the high-voltage cable connecting these components can be shortened. As a result of the integration, the length of the cooling pipe for cooling the high voltage unit 1 is also shortened. Therefore, it is possible to reduce the cost of the on-vehicle high-power equipment including the high-power unit 1 and to obtain a favorable effect for reducing the space required for arranging the high-power equipment.
  • the power distribution module 4 includes a junction box (J-BOX) 11 for connecting and branching a high voltage cable, a DC / DC converter 12 for changing a DC voltage, a battery using externally supplied power. And an on-board charger (OBC) 13 for charging. As shown by the arrows in FIG. 2, the power distribution module 4 has a DC / DC converter 12 and an OBC 13 mounted on the front and a J-Box 11 mounted on the rear in the traveling direction of the vehicle.
  • J-BOX junction box
  • OBC on-board charger
  • the battery is mounted under the vehicle floor.
  • the high voltage harness 5 including a plurality of bundled high voltage cables connecting the battery and the J-Box 11 is disposed on the back surface of the high voltage unit 1.
  • the J-Box 11 is housed in the power distribution module 4 at the top of the high voltage unit 1.
  • One end of the high voltage harness 5 is connected to a connection portion 15 provided on the back surface of the power distribution module 4. Therefore, the high voltage harness 5 extends downward from the uppermost portion of the high voltage unit 1 along the back surface of the high voltage unit 1 and is bent by approximately 90 degrees to be connected to the battery under the floor.
  • Arranging the J-Box 11 at the rear of the power distribution module 4 has a favorable effect in protecting the high-voltage harness 5 connected to the J-Box 11 from an impact at the time of a vehicle collision.
  • the J-BOX 11 by bending the J-BOX 11 into the power distribution module 4 disposed at the top of the high-voltage unit 1, the bending of the high-voltage harness 5 extending from the J-BOX 11 at a higher position to the battery under the floor A large radius can be set.
  • the high voltage cable constituting the high voltage harness 5 may need to have a large diameter for securing current capacity. If the bending radius of the high voltage harness 5 is small, it is difficult to increase the diameter of the high voltage cable. However, if the bending radius of the high voltage harness 5 is large, the diameter of the high voltage cable can be increased. Therefore, it is preferable to provide the J-BOX 11 at the rear part of the uppermost power distribution module 4 of the high voltage unit 1 in order to increase the capacity of the high voltage cable.
  • an additional device such as a boost converter has been required to increase the output of the electric motor 2 due to the limitation on the diameter of the high voltage cable.
  • the capacity of the high-voltage cable can be increased, so that the output of the electric motor 2 can be increased without such an additional device.
  • the high-voltage harness 5 that extends downward from the connection portion 15 with the power distribution module 4 toward the battery under the floor is fixed to the high-power unit 1 via the bracket 16 on the way.
  • the position of the bracket 16 is set in the vicinity of the inverter 3 located in the middle stage between the electric motor 2 and the power distribution module 4.
  • the necessary number of brackets 16 necessary for fixing the high voltage harness 5 is reduced.
  • the high-power unit 1 As the vehicle accelerates and decelerates, the high-power unit 1 is subjected to a swinging pressure centered on the roll axis R shown in FIG.
  • the bracket 16 is disposed near the roll axis R.
  • the concave portion 2A is formed on the top of the electric motor 2
  • the convex portion 3A that engages with the concave portion 2A is formed on the bottom surface of the inverter 3
  • the convex portion 3A is engaged with the concave portion 2A while the inverter 3 is It is fixed on the electric motor 2.
  • FIG. it is possible to set such a concave-convex relationship between the inverter 3 and the power distribution module 4.
  • the overall height of the high voltage unit 1 can be reduced while satisfying the requirements regarding the arrangement of the components inside the electric motor 2, the inverter 3, and the power distribution module 4 constituting the high voltage unit 1. It can be kept low. This is also preferable for shortening the high-power connection distance between the units.
  • the upper surface 3B of the inverter 3 is formed in a plane. Further, the bottom surface 4B of the power distribution module 4 is also formed in a plane. The power distribution module 4 is fixed on the inverter 3 with the bottom surface 4B in close contact with the top surface 3B of the inverter 3.
  • fixing the power distribution module 4 and the inverter 3 in a state where the planes are in contact with each other with no gap is preferable in order to suppress the height of the high power unit 1 as a whole.
  • FIGS. 6A and 6B A second embodiment of the present invention will be described with reference to FIGS. 6A and 6B.
  • This embodiment relates to the arrangement of bus bars.
  • the inverter 3 includes an input bus bar 21 and an output bus bar 22.
  • the input bus bar 21 is composed of a PN terminal.
  • the output bus bar 22 is constituted by a UVW terminal.
  • the inverter 3 includes a PM input electrode 23 and a PM output electrode 24 of the core power module (PM).
  • the input bus bar 21 and the PM output electrode 23 are provided on the same surface of the inverter 3, and the output bus bar 22 and the PM output electrode 24 are provided on the same surface of the inverter 3.
  • the PM output electrode 23 is provided on the back surface of the inverter 3 with respect to the traveling direction of the vehicle, and the input bus bar 21 protrudes from the PM input electrode 23.
  • the PM output electrode 24 is provided on the front surface of the inverter 2, and the output bus bar 22 protrudes from the PM output electrode 24.
  • the input bus bar 21 is connected to the J-BOX 11 above the inverter 3 as shown by the broken line in FIG. 6A. Further, it is connected to the high voltage harness 5 via the J-BOX 11.
  • the output bus bar 22 is connected to the electrode of the electric motor 2 below the inverter 3 as shown by a broken line in FIG. 6A.
  • the other configuration of the high voltage unit 1 is the same as that of the first embodiment.
  • the input bus bar 21 and the PM input electrode 23 are provided on the same surface of the inverter 3, and the output bus bar 22 and the PM output electrode 24 are provided on the same surface of the inverter 3, thereby connecting the bus bar and the PM electrode.
  • the input bus bar 21 and the PM input electrode 23 can be provided on the front surface of the inverter 3 in the same manner as the output bus bar 22 and the PM output electrode 24 as shown by the broken line in FIG. 6B.
  • the high power unit 1 is formed by stacking and integrating the electric motor, the inverter, and the power distribution module in the vertical direction, the length of the high voltage cable connecting them can be shortened. As a result of the integration, the length of the cooling pipe for cooling the high voltage device is also shortened. In addition, the number of brackets necessary for the arrangement of the high voltage cable can be reduced. Further, the high voltage cable extending from the uppermost power distribution module to the floor direction can be set to have a large bending diameter.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)

Abstract

L'invention porte sur une unité d'alimentation montée dans un véhicule, laquelle unité comporte un moteur électrique, un onduleur, et un module de distribution d'alimentation. L'onduleur est fixé sur le moteur électrique, et le module de distribution d'alimentation est fixé sur l'onduleur, et, de cette façon, une réduction de la longueur de câbles à haute tension connectant ceux-ci est obtenue.
PCT/JP2013/070090 2012-09-21 2013-07-24 Unité d'alimentation montée dans un véhicule Ceased WO2014045708A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012208360 2012-09-21
JP2012-208360 2012-09-21

Publications (1)

Publication Number Publication Date
WO2014045708A1 true WO2014045708A1 (fr) 2014-03-27

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ID=50341034

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2013/070090 Ceased WO2014045708A1 (fr) 2012-09-21 2013-07-24 Unité d'alimentation montée dans un véhicule

Country Status (1)

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WO (1) WO2014045708A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022108447A1 (fr) * 2020-11-17 2022-05-27 Daf Trucks N.V. Câble de guidage avec couvercle isolant nervuré
WO2022108444A1 (fr) * 2020-11-17 2022-05-27 Daf Trucks N.V. Essieu arrière présentant un moteur électrique intégré

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007129794A (ja) * 2005-11-01 2007-05-24 Toyota Motor Corp 車両の駆動装置
JP2008113540A (ja) * 2006-10-04 2008-05-15 Toyota Motor Corp 車両の駆動装置
WO2009104491A1 (fr) * 2008-02-20 2009-08-27 アイシン・エィ・ダブリュ株式会社 Dispositif d'entraînement hybride
JP2009261125A (ja) * 2008-04-16 2009-11-05 Denso Corp パワーコントロールユニット
JP2011020626A (ja) * 2009-07-17 2011-02-03 Nissan Motor Co Ltd 電気自動車のモータユニット取付方法
JP2012174666A (ja) * 2011-02-24 2012-09-10 Yazaki Corp ワイヤハーネス及びワイヤハーネスの製造方法
JP2013099053A (ja) * 2011-10-31 2013-05-20 Hitachi Automotive Systems Ltd 一体型電力変換装置及びそれに用いられるｄｃｄｃコンバータ装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007129794A (ja) * 2005-11-01 2007-05-24 Toyota Motor Corp 車両の駆動装置
JP2008113540A (ja) * 2006-10-04 2008-05-15 Toyota Motor Corp 車両の駆動装置
WO2009104491A1 (fr) * 2008-02-20 2009-08-27 アイシン・エィ・ダブリュ株式会社 Dispositif d'entraînement hybride
JP2009261125A (ja) * 2008-04-16 2009-11-05 Denso Corp パワーコントロールユニット
JP2011020626A (ja) * 2009-07-17 2011-02-03 Nissan Motor Co Ltd 電気自動車のモータユニット取付方法
JP2012174666A (ja) * 2011-02-24 2012-09-10 Yazaki Corp ワイヤハーネス及びワイヤハーネスの製造方法
JP2013099053A (ja) * 2011-10-31 2013-05-20 Hitachi Automotive Systems Ltd 一体型電力変換装置及びそれに用いられるｄｃｄｃコンバータ装置

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022108447A1 (fr) * 2020-11-17 2022-05-27 Daf Trucks N.V. Câble de guidage avec couvercle isolant nervuré
WO2022108444A1 (fr) * 2020-11-17 2022-05-27 Daf Trucks N.V. Essieu arrière présentant un moteur électrique intégré
NL2026916B1 (en) * 2020-11-17 2022-07-01 Daf Trucks Nv Rear axle with integrated electric motor
NL2026912B1 (en) * 2020-11-17 2022-07-01 Daf Trucks Nv Guiding cable with ribbed insulation cover
US12403756B2 (en) 2020-11-17 2025-09-02 Daf Trucks N.V. Rear axle with integrated electric motor
US12503065B2 (en) 2020-11-17 2025-12-23 Daf Trucks N. V. Guiding cable with ribbed insulation cover

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