WO2020137472A1 - Wire harness assembly and wire harness assembly mounting structure - Google Patents

Wire harness assembly and wire harness assembly mounting structure Download PDF

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Publication number
WO2020137472A1
WO2020137472A1 PCT/JP2019/048005 JP2019048005W WO2020137472A1 WO 2020137472 A1 WO2020137472 A1 WO 2020137472A1 JP 2019048005 W JP2019048005 W JP 2019048005W WO 2020137472 A1 WO2020137472 A1 WO 2020137472A1
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WO
WIPO (PCT)
Prior art keywords
wire harness
voltage
power storage
low
wiring plate
Prior art date
Application number
PCT/JP2019/048005
Other languages
French (fr)
Japanese (ja)
Inventor
泰次 柳田
平井　宏樹
怜也 岡本
晃司 山口
Original Assignee
株式会社オートネットワーク技術研究所
住友電装株式会社
住友電気工業株式会社
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.)
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Application filed by 株式会社オートネットワーク技術研究所, 住友電装株式会社, 住友電気工業株式会社 filed Critical 株式会社オートネットワーク技術研究所
Publication of WO2020137472A1 publication Critical patent/WO2020137472A1/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • 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
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/298—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the wiring of battery packs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

Definitions

  • a high-voltage power source used as a drive source for driving the electric motor is arranged under the floor of the vehicle or in a trunk room to supply electric power to an in-vehicle electric device.
  • the low-voltage power source of No. 1 was arranged in the engine room (see Patent Document 1).
  • the high-voltage wire harness for connecting the high-voltage power supply, the motor connected to the high-voltage power supply, the inverter, and the charging device is arranged under the floor of the vehicle for a long time.
  • a low-voltage power harness and a plurality of electric devices connected to the low-voltage power source, a low-voltage wire harness for connecting is divided into an engine room, a passenger compartment, and a vehicle rear portion, respectively. Were connected by a connector at the boundary part of. Therefore, there is a problem that the number of man-hours for arranging the high-voltage wire harness and the low-voltage wire harness in the vehicle increases, and the manufacturing cost increases.
  • the technology disclosed in this specification has been completed based on the above circumstances, and its purpose is to streamline the work of installing a high-voltage wire harness and a low-voltage wire harness.
  • the technology disclosed in the present specification is a wire harness assembly attached to an electricity storage module including an electricity storage element group having a plurality of electricity storage elements, and a high-voltage wire harness electrically connected to the electricity storage module, A wiring plate on which the high-voltage wire harness is routed, and a low-voltage wire harness that is routed on the wiring plate and through which a current having a voltage lower than that of the high-voltage wire harness flows.
  • the wire harness assembly by attaching the wire harness assembly to the electricity storage module, the high-voltage wire harness and the low-voltage wire harness through which a current of a lower voltage than the high-voltage wire harness flows are arranged on the wiring plate. It can be installed in the vehicle in a state. As a result, the work of installing the wire harness can be made efficient.
  • the low voltage wiring harness includes signal lines.
  • At least one auxiliary line is arranged on the wiring plate in a route different from that of the signal line so as to make the signal line redundant.
  • the auxiliary line can continuously transmit and receive the signal that the signal line was transmitting and receiving before the disconnection. Thereby, the reliability of the wire harness assembly can be improved.
  • the wiring plate is a lid member attached to the power storage module.
  • the lid member attached to the power storage module can be used as a wiring plate, so that an increase in the number of parts can be suppressed.
  • the technique described in the specification of the present application includes the wire harness assembly described above and a frame to which the wire harness assembly is attached, and the frame extends in the front-rear direction and has a pair of rows arranged at intervals in the left-right direction.
  • the wire harness assembly has a side frame, and the wire harness assembly is arranged between the pair of side frames.
  • FIG. 1 is a side sectional view of a vehicle, showing a mounting structure of a wire harness assembly according to a first embodiment.
  • Flat sectional view of vehicle showing mounting structure of wire harness assembly Plan view showing the power supply unit Partial cutaway side sectional view showing the floor panel and the power supply device Side view showing the power supply Plan view showing the state where the wiring plate is removed from the power supply unit Rear view showing the power supply Bottom view showing wire harness assembly XI-XI line sectional view in FIG. XX line sectional view in FIG. XI-XI line sectional view in FIG.
  • Embodiment 1 in which the technology disclosed in this specification is applied to a wire harness assembly 70 mounted on a vehicle 10 such as an automobile and a mounting structure 71 of the wire harness assembly 70 will be described with reference to FIGS. 1 to 11. To do.
  • the Z direction is the upper direction
  • the Y direction is the front
  • the X direction is the left.
  • symbol may be attached
  • the vehicle 10 includes a metal frame 12 and a vehicle body 13 attached to the frame 12.
  • the frame 12 extends in the front-rear direction and also has a pair of side frames 14 arranged in the left-right direction and spaced apart from each other, and a plurality of (six in the present embodiment) cross frames connecting the pair of side frames 14 in the left-right direction. 15 and.
  • the pair of side frames 14 are arranged substantially in parallel. An area of about a quarter of the pair of side frames 14 from the front end to the rear is formed to be slightly narrow in the left-right direction.
  • the side frame 14 and the cross frame 15 are in the shape of a rectangular tube having a substantially rectangular cross section.
  • the side frame 14 and the cross frame 15 are welded by a known method.
  • a plate-shaped floor panel 16 is arranged above the frame 12.
  • a passenger compartment 17 is formed above the floor panel 16 for passengers to board.
  • the rear end of the floor panel 16 extends backward while bending upward in an arc when viewed from the side. This prevents the floor panel 16 from interfering with the rear wheels and the axles of the rear wheels.
  • a power supply device 11 is arranged below the floor panel 16.
  • the power supply device 11 has a wiring plate 23 (corresponding to a lid member) that is flat in the vertical direction and extends in the front-rear direction.
  • a high voltage power storage device 24 (an example of a power storage module), a first low voltage power storage device 25, a second low voltage power storage device 26, a 100V charger 27, and a first DC/DC converter 28 are provided below the wiring plate 23.
  • a second DC/DC converter 29 are provided (see FIG. 6).
  • the power supply device 11 has a substantially rectangular shape when viewed from above.
  • the front end of the power supply device 11 is located slightly rearward of the front end of the floor panel 16.
  • the rear end of the power supply device 11 is located slightly ahead of the portion of the floor panel 16 that bends upward. As a whole, the power supply device 11 is arranged below the flat portion of the floor panel 16.
  • the power supply device 11 includes a cross frame that is located behind a region of the pair of side frames 14 that is narrowly formed in the left-right direction and that is disposed second from the rear. It is arranged at a position ahead of 15.
  • the power supply device 11 is arranged in the area inside the pair of side frames 14 in the left-right direction.
  • the width dimension of the power supply device 11 in the left-right direction is set to be the same as or slightly smaller than the distance between the pair of side frames 14.
  • Wiring plate 23 As shown in FIG. 4, a wiring plate 23 is arranged below the floor panel 16 along the lower surface of the floor panel 16.
  • the wiring plate 23 has a substantially rectangular shape when viewed from above.
  • the wiring plate 23 has a top plate 30 and side walls 31 extending downward from the side edges of the top plate 30.
  • the wiring plate 23 has a flat shape in the vertical direction as a whole, and has a box shape that opens downward.
  • the wiring plate 23 is attached on top of the high-voltage power storage device 24, the first low-voltage power storage device 25, and the second low-voltage power storage device 26, and the high-voltage power storage device 24, the first low-voltage power storage device 25, and the first low-voltage power storage device 25. 2
  • the low voltage power storage device 26 is adapted to be covered from above.
  • the wiring plate 23 according to this embodiment is made of metal such as copper, copper alloy, aluminum, aluminum alloy, and stainless steel.
  • a first high-voltage wire harness 32 (an example of a high-voltage wire harness) and a second high-voltage wire harness 33 (high An example of a voltage wire harness) is arranged.
  • a low-voltage wire harness 34 extending substantially in the left-right direction is arranged near the front end.
  • a right-side signal wire harness 35R (an example of a low-voltage wire harness, an example of a signal line) and a left-side signal wire harness 35L (of a low-voltage wire harness) that extend in the front-rear direction and are led out to the front and the rear.
  • an example of an auxiliary line is arranged side by side with a space in the left-right direction.
  • the power feeding wire harness 36 is led out from the vicinity of the center in the left-right direction.
  • the front end of the power feeding wire harness 36 is connected to a power feeding connector (not shown).
  • the high voltage power storage device 24 is charged by being supplied with electric power from the outside through the power supply connector.
  • a right side signal wire harness 35R is arranged on the right side of the wiring plate 23, and a left side signal wire harness 35L is arranged on the left side of the wiring plate 23.
  • Sensors 51 are connected to the front end and the rear end of the right signal wire harness 35R and the left signal wire harness 35L, respectively.
  • the right-side signal wire harness 35R and the left-side signal wire harness 35L are redundant, and even if one of the right-side signal wire harness 35R and the left-side signal wire harness 35L is disconnected, the sensor 51 connected to the other side allows The sensor 51 connected to is complemented.
  • the left signal wire harness 35L and the right signal wire harness 35R are relative as to which is a signal line and which is an auxiliary line.
  • the right-side signal wire harness 35R and the left-side signal wire harness 35L are located in the front-rear direction in a region in front of the vicinity of the center of the power supply device 11 in the left-right center position of the power supply device 11. It is located in. Thereby, the right signal wire harness 35R and the left signal wire harness 35L are protected by the wiring plate 23.
  • the right-side signal wire harness 35R and the left-side signal wire harness 35L are arranged at positions below the wiring plate 23 so as to penetrate the wiring plate 23 in the front-rear direction. ing
  • the first high-voltage wire harness 32, the second high-voltage wire harness 33, the low-voltage wire harness 34, the right signal wire harness 35R, the left signal wire harness 35L, and the wiring plate 23 The wire harness assembly 70 is configured.
  • wire harness assembly 70 and the frame 12 having the pair of side frames 14 form a mounting structure 71 of the wire harness assembly 70.
  • High-voltage power storage device 24 Below the wiring plate 23, a high-voltage power storage device 24 including a power storage element group 72 having a plurality of power storage elements 37 is provided in a region of about three quarters forward from the rear end of the wiring plate 23 in the front-rear direction. It is arranged. By connecting at least a part of the plurality of power storage elements 37 in series, the high-voltage power storage device 24 is configured to output DC power having a voltage higher than 100V. Some of the plurality of power storage elements 37 may be connected in parallel.
  • the high-voltage power storage device 24 is configured such that a power storage element group 72 including a plurality of power storage elements 37 is housed in a metal casing 39.
  • a high-voltage connector 40 that opens upward is arranged near the center position in the front-rear direction of the high-voltage power storage device 24 and near the center position in the left-right direction.
  • the high-voltage connector 40 is adapted to be fitted with a standby connector 41 provided at a corresponding position on the wiring plate 23. By fitting the high voltage connector 40 and the standby connector 41, the high voltage power storage device 24 and the wiring plate 23 are electrically connected.
  • a high-voltage switching box 42 that energizes or disconnects the high-voltage power storage device 24 based on a signal from a control device (not shown) is arranged at the right side of the standby connector 41.
  • the high-voltage switching box 42 has a rectangular shape elongated in the left-right direction when viewed from above.
  • the width of the high-voltage switching box 42 in the left-right direction is set to be approximately one half of the width of the high-voltage power storage device 24 in the left-right direction.
  • a first high-voltage wire harness 32 extending forward of the high-voltage connector 40 is connected to the high-voltage connector 40.
  • the front end portion of the first high-voltage wire harness 32 is led out from the front portion of the high-voltage power storage device 24 and connected to a junction box 43 described later.
  • a second high-voltage wire harness 33 is arranged side by side in the front-rear direction, along with the first high-voltage wire harness 32.
  • the cross-sectional shapes of the first high-voltage electric wire 59 that forms the first high-voltage wire harness 32 and the second high-voltage electric wire 60 that forms the second high-voltage wire harness 33 are flat in the vertical direction. It has an elliptical shape or an oval shape.
  • the first high-voltage electric wire 59 and the second high-voltage electric wire 60 are collectively surrounded by a shield member 44 which is made of a conductive metal and has a rectangular tube shape.
  • Multi-function box 45 A multifunctional box 45 is arranged in a region below the wiring plate 23 and in front of the high-voltage power storage device 24.
  • the multi-function box 45 has a metal housing 46. Inside the housing 46 of the multifunction box 45, the junction box 43 connected to the above-described first high-voltage wire harness 32, the first low-voltage power storage device 25 having an output voltage of 12V, and the output voltage of 48V.
  • the 100V charger 27 connected to the power supply wire harness 36 is accommodated.
  • the junction box 43 is located near the rear of the multifunctional box 45 and near the center in the left-right direction.
  • the junction box 43 branches the electric power received from the first high-voltage wire harness 32 and transmits the electric power to a plurality of devices.
  • a second high-voltage wire harness 33 is led out, which is arranged to the left of the first high-voltage wire harness 32 and extends rearward.
  • the second high-voltage wire harness 33 is routed on the wiring plate 23 and led out from the rear portion of the wiring plate 23 to the rear.
  • the second high-voltage wire harness 33 is connected to a rear motor (not shown) via an inverter (not shown) and supplies electric power to the rear motor.
  • the first high-voltage wire harness 32, the second high-voltage wire harness 33, and the junction box 43 are electrically connected via the power connector 50.
  • a plurality of low-voltage wire harnesses 34 are connected to the junction box 43.
  • the low-voltage wire harness 34 connected to the junction box 43 is branched and connected to the equipment housed in the multifunction box 45.
  • the first low-voltage power storage device 25 and the first DC/DC converter 28 are connected via a junction box 43 and a low-voltage wire harness 34. Further, the first low-voltage power storage device 25 and the high-voltage power storage device 24 are connected via the low-voltage wire harness 34, the junction box 43, and the first high-voltage wire harness 32.
  • the second low-voltage power storage device 26 and the second DC/DC converter 29 are connected via the junction box 43 and the low-voltage wire harness 34. Further, the second low-voltage power storage device 26 and the high-voltage power storage device 24 are connected via the low-voltage wire harness 34, the junction box 43, and the first high-voltage wire harness 32.
  • the 100V charger 27 is connected to the high-voltage power storage device 24 via the low-voltage wire harness 34, the junction box 43, and the first high-voltage wire harness 32.
  • FIG. 6 shows the main low-voltage wire harness 34 and omits some of the low-voltage wire harness 34.
  • the first low-voltage power storage device 25 is arranged on the right front part of the multi-function box 45.
  • the first low-voltage power storage device 25 has a rectangular shape when viewed from above.
  • a second low-voltage power storage device 26 is arranged behind the first low-voltage power storage device 25.
  • the second low-voltage power storage device 26 has a rectangular shape that is slightly larger than the first low-voltage power storage device 25 when viewed from above.
  • the arrangement of the first low-voltage power storage device 25 and the second low-voltage power storage device 26 in the front-rear direction is not limited to this embodiment.
  • a first DC/DC converter 28 electrically connected to the first low-voltage power storage device 25 and a second DC/DC electrically connected to the second low-voltage power storage device 26 are provided at the left end of the multi-function box 45.
  • the converter 29 and the converter 29 are arranged side by side.
  • the arrangement of the first DC/DC converter 28 and the second DC/DC converter 29 in the front-rear direction is not limited to this embodiment.
  • the present embodiment is a wire harness assembly 70 attached to a high-voltage power storage device 24 including a power storage element group 73 having a plurality of power storage elements 37, which is a first harness electrically connected to the high-voltage power storage device 24.
  • the low-voltage wire harness 34 in which the electric current of a voltage lower than the 1st high-voltage wire harness 32 and the 2nd high-voltage wire harness 33 flows, the right side signal wire harness 35R, and the left side signal wire harness 35L is provided.
  • the wire harness assembly 70 by attaching the wire harness assembly 70 to the high voltage power storage device 24, the first high voltage wire harness 32 and the second high voltage wire harness 33, the low voltage wire harness 34, and the right signal wire harness 35R. , And the left-side signal wire harness 35L can be attached to the inside of the vehicle 10 while being routed to the wiring plate 23. Thereby, the wiring work of the 1st high voltage wire harness 32 and the 2nd high voltage wire harness 33, the low voltage wire harness 34, the right side signal wire harness 35R, and the left side signal wire harness 35L can be streamlined.
  • a right-side signal wire harness 35R connected to the sensor 51 and in which a signal output from the sensor 51 flows is routed.
  • the left-side signal wire harness 35L is arranged in a different route from the right-side signal wire harness 35R so as to be redundant with the right-side signal wire harness 35R.
  • the left side signal wire harness 35L continuously transmits and receives the signal transmitted and received by the right side signal wire harness 35R before the disconnection. can do. Thereby, the reliability of the wire harness assembly 70 can be improved.
  • the right signal wire harness 35R can continuously transmit and receive the signal that the left signal wire harness 35L was transmitting and receiving before the disconnection.
  • the wiring plate 23 is a lid member attached to the high-voltage power storage device 24.
  • the lid member attached to the high-voltage power storage device 24 can be used as the wiring plate 23, so that an increase in the number of parts can be suppressed.
  • the attachment structure 71 of the wire harness assembly 70 includes the wire harness assembly 70 and the frame 12 to which the wire harness assembly 70 is attached.
  • the frame 12 extends in the front-rear direction and extends in the left-right direction.
  • the wire harness assembly 70 has a pair of side frames 14 arranged at intervals, and the wire harness assembly 70 is arranged between the pair of side frames 14.
  • the wire harness assembly 70 arranged between the pair of side frames 14 from being damaged.
  • the disconnection of the searched first high-voltage wire harness 32 and second high-voltage wire harness 33, the low-voltage wire harness 34, the right-side signal wire harness 35R, and the left-side signal wire harness 35L is suppressed. Thereby, the reliability of the wire harness assembly 70 can be improved.
  • the output voltage of the low-voltage power storage device is not limited to 12V or 48V, and can be any voltage.
  • the electric device arranged on the wiring plate 23 is not limited to the DC/DC converter, and any electric device can be arranged on the wiring plate 23.
  • the low-voltage power storage device can be arranged at any position on the wiring plate 23.
  • the right signal wire harness 35R and/or the left signal wire harness 35L may be omitted.
  • the vehicle 10 includes an electric vehicle, a hybrid vehicle, and a plug-in hybrid vehicle.
  • the first high-voltage wire harness 32, the second high-voltage wire harness 33, the low-voltage wire harness 34, the right-side signal wire harness 35R, and the left-side signal wire harness 35L are provided on the wiring plate 23 above the wiring plate 23. It may be configured to be arranged along the upper surface.
  • Power supply device 23 Wiring plate (an example of a lid member) 24: High-voltage power storage device (an example of a power storage module) 32: First high-voltage wire harness (an example of high-voltage wire harness) 33: Second high-voltage wire harness (an example of high-voltage wire harness) 34: Low-voltage wire harness 35R: Right-side signal wire harness (one example of low-voltage wire harness, one example of signal line) 35L: left side signal wire harness (one example of low voltage wire harness, one example of auxiliary line 70: wire harness assembly 71: wire harness assembly mounting structure 72: storage element group

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Battery Mounting, Suspending (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

Provided is a wire harness assembly 70 attached to a high-voltage power storage device 24 provided with a power storage element group 73 having a plurality of power storage elements 37, the wire harness assembly comprising: a first high-voltage wire harness 32 and a second high-voltage wire harness 33 which are electrically connected to the high-voltage power storage device 24; a wiring plate 23 on which the first high-voltage wire harness 32 and the second high-voltage wire harness 33 are disposed; and a low-voltage wire harness 34, a right-side signal wire harness 35R, and a left-side signal wire harness 35L, which are disposed on the wiring plate 23, and through which a current having a lower voltage than the voltages of the first high-voltage wire harness 32 and the second high-voltage wire harness 33 flows.

Description

ワイヤーハーネスアセンブリ、及びワイヤーハーネスアセンブリの取り付け構造Wire harness assembly and wire harness assembly mounting structure
　従来、内燃機関と電動機とを備えるハイブリッド自動車においては、電動機を駆動する駆動源として用いられる高電圧電源は車両の床下や、トランクルーム内に配置されており、車載の電気機器に電力を供給するための低電圧電源は、エンジンルーム内に配置されていた（特許文献１参照）。 Conventionally, in a hybrid vehicle including an internal combustion engine and an electric motor, a high-voltage power source used as a drive source for driving the electric motor is arranged under the floor of the vehicle or in a trunk room to supply electric power to an in-vehicle electric device. The low-voltage power source of No. 1 was arranged in the engine room (see Patent Document 1).
特開２０１６－１５９７７２号公報JP, 2016-159772, A
　上記の技術によれば、高電圧電源と、この高電圧電源に接続されるモーター、インバータ、及び充電装置と、を接続するための高電圧ワイヤーハーネスは、車両の床下を長々と配索されていた。また、低電圧電源と、この低電圧電源に接続される複数の電気機器と、を接続するための低電圧ワイヤーハーネスは、エンジンルーム、車室、及び車両後部の各部分においてそれぞれ分割され、それぞれの境界部分においてコネクタにより接続されていた。このため、高電圧ワイヤーハーネスと、低電圧ワイヤーハーネスを車両内に配索するための工数が多くなり、製造コストが上昇するという問題があった。 According to the above technology, the high-voltage wire harness for connecting the high-voltage power supply, the motor connected to the high-voltage power supply, the inverter, and the charging device is arranged under the floor of the vehicle for a long time. Was there. Further, a low-voltage power harness and a plurality of electric devices connected to the low-voltage power source, a low-voltage wire harness for connecting, is divided into an engine room, a passenger compartment, and a vehicle rear portion, respectively. Were connected by a connector at the boundary part of. Therefore, there is a problem that the number of man-hours for arranging the high-voltage wire harness and the low-voltage wire harness in the vehicle increases, and the manufacturing cost increases.
　本明細書に開示された技術は上記のような事情に基づいて完成されたものであって、高電圧ワイヤーハーネスと低電圧ワイヤーハーネスの配索作業を効率化することを目的とする。 The technology disclosed in this specification has been completed based on the above circumstances, and its purpose is to streamline the work of installing a high-voltage wire harness and a low-voltage wire harness.
　本明細書に開示された技術は、複数の蓄電素子を有する蓄電素子群を備えた蓄電モジュールに取り付けられるワイヤーハーネスアセンブリであって、前記蓄電モジュールに電気的に接続される高電圧ワイヤーハーネスと、前記高電圧ワイヤーハーネスが配索される配線プレートと、前記配線プレートに配索されると共に、前記高電圧ワイヤーハーネスよりも低い電圧の電流が流れる低電圧ワイヤーハーネスと、を備える。 The technology disclosed in the present specification is a wire harness assembly attached to an electricity storage module including an electricity storage element group having a plurality of electricity storage elements, and a high-voltage wire harness electrically connected to the electricity storage module, A wiring plate on which the high-voltage wire harness is routed, and a low-voltage wire harness that is routed on the wiring plate and through which a current having a voltage lower than that of the high-voltage wire harness flows.
　上記の構成によれば、蓄電モジュールにワイヤーハーネスアセンブリを取り付けることにより、高電圧ワイヤーハーネスと、高電圧ワイヤーハーネスよりも低い電圧の電流が流れる低電圧ワイヤーハーネスとを、配線プレートに配索された状態で車両内に取り付けることができる。これにより、ワイヤーハーネスの配索作業を効率化することができる。 According to the above configuration, by attaching the wire harness assembly to the electricity storage module, the high-voltage wire harness and the low-voltage wire harness through which a current of a lower voltage than the high-voltage wire harness flows are arranged on the wiring plate. It can be installed in the vehicle in a state. As a result, the work of installing the wire harness can be made efficient.
　本明細書に開示された技術の実施態様としては以下の態様が好ましい。 The following aspects are preferable as the embodiments of the technology disclosed in this specification.
　前記低電圧ワイヤーハーネスは信号線を含む。 The low voltage wiring harness includes signal lines.
　上記の構成によれば、信号線の配索作業についても効率化することができる。 According to the above configuration, it is possible to improve the efficiency of the signal line wiring work.
　前記配線プレートには、少なくとも一つの補助線が、前記信号線の冗長化となるように前記信号線と異なる経路に配されている。 At least one auxiliary line is arranged on the wiring plate in a route different from that of the signal line so as to make the signal line redundant.
　上記の構成によれば、車両の事故等により信号線が断線した場合でも、補助線によって、断線前に信号線が送受信していた信号を継続して送受信することができる。これにより、ワイヤーハーネスアセンブリの信頼性を向上させることができる。 According to the above configuration, even if the signal line is broken due to a vehicle accident or the like, the auxiliary line can continuously transmit and receive the signal that the signal line was transmitting and receiving before the disconnection. Thereby, the reliability of the wire harness assembly can be improved.
　前記配線プレートは、前記蓄電モジュールに取り付けられる蓋部材である。 The wiring plate is a lid member attached to the power storage module.
　上記の構成によれば、蓄電モジュールに取り付けられる蓋部材を、配線プレートとして用いることができるので、部品点数の増加を抑制することができる。 According to the above configuration, the lid member attached to the power storage module can be used as a wiring plate, so that an increase in the number of parts can be suppressed.
　本願明細書に記載された技術は、上記のワイヤーハーネスアセンブリと、前記ワイヤーハーネスアセンブリが取り付けられたフレームと、を備え、前記フレームは、前後方向に延びると共に左右方向に間隔を空けて並ぶ一対のサイドフレームを有し、前記ワイヤーハーネスアセンブリは前記一対のサイドフレームの間に配されている、ワイヤーハーネスアセンブリの取り付け構造である。 The technique described in the specification of the present application includes the wire harness assembly described above and a frame to which the wire harness assembly is attached, and the frame extends in the front-rear direction and has a pair of rows arranged at intervals in the left-right direction. The wire harness assembly has a side frame, and the wire harness assembly is arranged between the pair of side frames.
　上記の構成によれば、車両の側面に衝撃が加えられた場合でも、一対のサイドフレームの間に配されたワイヤーハーネスアセンブリが破損することが抑制されるので、配線プレートに配索されたワイヤーハーネスが断線することが抑制される。これにより、ワイヤーハーネスアセンブリの信頼性を向上させることができる。 According to the above configuration, even if an impact is applied to the side surface of the vehicle, it is possible to prevent the wire harness assembly arranged between the pair of side frames from being damaged. The harness is prevented from breaking. Thereby, the reliability of the wire harness assembly can be improved.
　本明細書に開示された技術によれば、高電圧ワイヤーハーネスと低電圧ワイヤーハーネスの配索作業を効率化することができる。 According to the technology disclosed in this specification, it is possible to streamline the work of arranging the high-voltage wire harness and the low-voltage wire harness.
実施形態１に係るワイヤーハーネスアセンブリの取り付け構造を示す、車両の側断面図1 is a side sectional view of a vehicle, showing a mounting structure of a wire harness assembly according to a first embodiment. ワイヤーハーネスアセンブリの取り付け構造を示す、車両の平断面図Flat sectional view of vehicle showing mounting structure of wire harness assembly 電源装置を示す平面図Plan view showing the power supply unit フロアパネルと、電源装置とを示す一部切欠側断面図Partial cutaway side sectional view showing the floor panel and the power supply device 電源装置を示す側面図Side view showing the power supply 電源装置から配線プレートを取り外した状態を示す平面図Plan view showing the state where the wiring plate is removed from the power supply unit 電源装置を示す背面図Rear view showing the power supply ワイヤーハーネスアセンブリを示す底面図Bottom view showing wire harness assembly 図３におけるＸＩ－ＸＩ線断面図XI-XI line sectional view in FIG. 図３におけるＸ－Ｘ線断面図XX line sectional view in FIG. 図３におけるＸＩ－ＸＩ線断面図XI-XI line sectional view in FIG.
　＜実施形態１＞
　本明細書に開示された技術を、自動車等の車両１０に取り付けられるワイヤーハーネスアセンブリ７０、及びワイヤーハーネスアセンブリ７０の取り付け構造７１に適用した実施形態１について、図１から図１１を参照しつつ説明する。以下の説明においては、Ｚ方向を上方とし、Ｙ方向を前方とし、Ｘ方向を左方として説明する。なお、複数の同一部材については、一部の部材にのみ符号を付して、他の部材については符号を省略する場合がある。 <Embodiment 1>
Embodiment 1 in which the technology disclosed in this specification is applied to a wire harness assembly 70 mounted on a vehicle 10 such as an automobile and a mounting structure 71 of the wire harness assembly 70 will be described with reference to FIGS. 1 to 11. To do. In the following description, the Z direction is the upper direction, the Y direction is the front, and the X direction is the left. In addition, about a some same member, a code|symbol may be attached|subjected to some members and a code|symbol may be abbreviate|omitted about other members.
車両１０
　図１及び図２に示すように、車両１０は、金属製のフレーム１２と、フレーム１２に取り付けられた車体１３と、を有する。フレーム１２は、前後方向に延びると共に、左右方向に間隔を空けて並ぶ一対のサイドフレーム１４と、一対のサイドフレーム１４の間を左右方向に連結する複数（本実施形態では６つ）のクロスフレーム１５と、を有する。一対のサイドフレーム１４は略平行に配されている。一対のサイドフレーム１４のうち前端部から後方へ約四分の一の領域は、左右方向についてやや幅狭に形成されている。 Vehicle 10
As shown in FIGS. 1 and 2, the vehicle 10 includes a metal frame 12 and a vehicle body 13 attached to the frame 12. The frame 12 extends in the front-rear direction and also has a pair of side frames 14 arranged in the left-right direction and spaced apart from each other, and a plurality of (six in the present embodiment) cross frames connecting the pair of side frames 14 in the left-right direction. 15 and. The pair of side frames 14 are arranged substantially in parallel. An area of about a quarter of the pair of side frames 14 from the front end to the rear is formed to be slightly narrow in the left-right direction.
　サイドフレーム１４、及びクロスフレーム１５は断面が略長方形状をなす角筒状をなしている。サイドフレーム１４とクロスフレーム１５とは、公知の手法により溶接されている。 　The side frame 14 and the cross frame 15 are in the shape of a rectangular tube having a substantially rectangular cross section. The side frame 14 and the cross frame 15 are welded by a known method.
　フレーム１２の上方には、板状をなすフロアパネル１６が配されている。フロアパネル１６の上方には乗員が乗り込む車室１７が形成されている。 A plate-shaped floor panel 16 is arranged above the frame 12. A passenger compartment 17 is formed above the floor panel 16 for passengers to board.
　フロアパネル１６の後端部は、側方から見て、上方に弧状に曲がりながら、後方に延びている。これにより、フロアパネル１６が、後輪及び後輪の車軸と干渉しないようになっている。 ▽The rear end of the floor panel 16 extends backward while bending upward in an arc when viewed from the side. This prevents the floor panel 16 from interfering with the rear wheels and the axles of the rear wheels.
電源装置１１
　図４に示すように、フロアパネル１６の下方には、電源装置１１が配設されている。電源装置１１は、上下方向について扁平な形状をなすと共に前後方向に延びる配線プレート２３（蓋部材に相当）を有する。配線プレート２３の下部には、高電圧蓄電装置２４（蓄電モジュールの一例）と、第１低電圧蓄電装置２５と、第２低電圧蓄電装置２６と、１００Ｖチャージャー２７と、第１ＤＣ／ＤＣコンバータ２８と、第２ＤＣ／ＤＣコンバータ２９とが、配設されている（図６参照）。 Power supply 11
As shown in FIG. 4, a power supply device 11 is arranged below the floor panel 16. The power supply device 11 has a wiring plate 23 (corresponding to a lid member) that is flat in the vertical direction and extends in the front-rear direction. A high voltage power storage device 24 (an example of a power storage module), a first low voltage power storage device 25, a second low voltage power storage device 26, a 100V charger 27, and a first DC/DC converter 28 are provided below the wiring plate 23. And a second DC/DC converter 29 are provided (see FIG. 6).
　図３に示すように、電源装置１１は、上方から見て、略長方形状をなしている。電源装置１１の前端部は、フロアパネル１６の前端部よりも、やや後方に位置している。電源装置１１の後端部は、フロアパネル１６のうち上方に屈曲する部分よりもやや前方に位置している。全体として、電源装置１１は、フロアパネル１６の平坦な部分の下方に配されている。 As shown in FIG. 3, the power supply device 11 has a substantially rectangular shape when viewed from above. The front end of the power supply device 11 is located slightly rearward of the front end of the floor panel 16. The rear end of the power supply device 11 is located slightly ahead of the portion of the floor panel 16 that bends upward. As a whole, the power supply device 11 is arranged below the flat portion of the floor panel 16.
　図２に示すように、電源装置１１は、一対のサイドフレーム１４のうち左右方向に幅狭に形成された領域よりも後方の位置であって、且つ、後ろから二番目に配されたクロスフレーム１５よりも前方の位置に配されている。 As shown in FIG. 2, the power supply device 11 includes a cross frame that is located behind a region of the pair of side frames 14 that is narrowly formed in the left-right direction and that is disposed second from the rear. It is arranged at a position ahead of 15.
　図２に示すように電源装置１１は、左右方向について、一対のサイドフレーム１４の内側の領域に配されている。電源装置１１の左右方向についての幅寸法は、一対のサイドフレーム１４の間隔と同じか、やや小さく設定されている。 As shown in FIG. 2, the power supply device 11 is arranged in the area inside the pair of side frames 14 in the left-right direction. The width dimension of the power supply device 11 in the left-right direction is set to be the same as or slightly smaller than the distance between the pair of side frames 14.
配線プレート２３
　図４に示すように、フロアパネル１６の下方には、フロアパネル１６の下面に沿うようにして、配線プレート２３が配されている。配線プレート２３は、上方から見て略長方形状をなしている。配線プレート２３は、天板３０と、天板３０の側縁から下方に延びる側壁３１と、を有する。配線プレート２３は、全体として、上下方向について扁平な形状をなすと共に、下方に開口する箱状をなしている。配線プレート２３は、高電圧蓄電装置２４、第１低電圧蓄電装置２５、及び第２低電圧蓄電装置２６の上部に取り付けられて、高電圧蓄電装置２４、第１低電圧蓄電装置２５、及び第２低電圧蓄電装置２６を上方から覆うようになっている。本実施形態に係る配線プレート２３は、銅、銅合金、アルミニウム、アルミニウム合金、ステンレス鋼等の金属からなる。 Wiring plate 23
As shown in FIG. 4, a wiring plate 23 is arranged below the floor panel 16 along the lower surface of the floor panel 16. The wiring plate 23 has a substantially rectangular shape when viewed from above. The wiring plate 23 has a top plate 30 and side walls 31 extending downward from the side edges of the top plate 30. The wiring plate 23 has a flat shape in the vertical direction as a whole, and has a box shape that opens downward. The wiring plate 23 is attached on top of the high-voltage power storage device 24, the first low-voltage power storage device 25, and the second low-voltage power storage device 26, and the high-voltage power storage device 24, the first low-voltage power storage device 25, and the first low-voltage power storage device 25. 2 The low voltage power storage device 26 is adapted to be covered from above. The wiring plate 23 according to this embodiment is made of metal such as copper, copper alloy, aluminum, aluminum alloy, and stainless steel.
　図８に示すように、配線プレート２３の天板３０の下面には、前後方向に延びる、第１高電圧ワイヤーハーネス３２（高電圧ワイヤーハーネスの一例）、及び第２高電圧ワイヤーハーネス３３（高電圧ワイヤーハーネスの一例）が配されている。配線プレート２３の天板３０の下面には、前端部寄りの位置に、概ね左右方向に延びる低電圧ワイヤーハーネス３４が配されている。配線プレート２３の下面には、前後方向に延びると共に前方及び後方に導出された右側信号ワイヤーハーネス３５Ｒ（低電圧ワイヤーハーネスの一例、信号線の一例）及び左側信号ワイヤーハーネス３５Ｌ（低電圧ワイヤーハーネスの一例、補助線の一例）が、左右方向に間隔を空けて並んで配されている。配線プレート２３の前端縁には、左右方向の中央付近から、給電ワイヤーハーネス３６が前方に導出されている。給電ワイヤーハーネス３６の前端は、図示しない給電コネクタに接続されている。この給電コネクタを介して外部から電力が供給されることにより、高電圧蓄電装置２４が充電されるようになっている。 As shown in FIG. 8, on the lower surface of the top plate 30 of the wiring plate 23, a first high-voltage wire harness 32 (an example of a high-voltage wire harness) and a second high-voltage wire harness 33 (high An example of a voltage wire harness) is arranged. On the lower surface of the top plate 30 of the wiring plate 23, a low-voltage wire harness 34 extending substantially in the left-right direction is arranged near the front end. On the lower surface of the wiring plate 23, a right-side signal wire harness 35R (an example of a low-voltage wire harness, an example of a signal line) and a left-side signal wire harness 35L (of a low-voltage wire harness) that extend in the front-rear direction and are led out to the front and the rear. One example, an example of an auxiliary line) is arranged side by side with a space in the left-right direction. At the front edge of the wiring plate 23, the power feeding wire harness 36 is led out from the vicinity of the center in the left-right direction. The front end of the power feeding wire harness 36 is connected to a power feeding connector (not shown). The high voltage power storage device 24 is charged by being supplied with electric power from the outside through the power supply connector.
　配線プレート２３の右側には右側信号ワイヤーハーネス３５Ｒが配されており、配線プレート２３の左側には左側信号ワイヤーハーネス３５Ｌが配されている。右側信号ワイヤーハーネス３５Ｒ、及び左側信号ワイヤーハーネス３５Ｌの前端部、及び後端部には、それぞれ、センサ５１が接続されている。右側信号ワイヤーハーネス３５Ｒと、左側信号ワイヤーハーネス３５Ｌとは冗長化されており、右側信号ワイヤーハーネス３５Ｒ、及び左側信号ワイヤーハーネス３５Ｌの一方が断線しても、他方に接続されたセンサ５１によって、一方に接続されたセンサ５１が補完されるようになっている。なお、左側信号ワイヤーハーネス３５Ｌと、右側信号ワイヤーハーネス３５Ｒとは、いずれが信号線で、いずれが補助線であるかは相対的である。 A right side signal wire harness 35R is arranged on the right side of the wiring plate 23, and a left side signal wire harness 35L is arranged on the left side of the wiring plate 23. Sensors 51 are connected to the front end and the rear end of the right signal wire harness 35R and the left signal wire harness 35L, respectively. The right-side signal wire harness 35R and the left-side signal wire harness 35L are redundant, and even if one of the right-side signal wire harness 35R and the left-side signal wire harness 35L is disconnected, the sensor 51 connected to the other side allows The sensor 51 connected to is complemented. It should be noted that the left signal wire harness 35L and the right signal wire harness 35R are relative as to which is a signal line and which is an auxiliary line.
　図６に示すように、右側信号ワイヤーハーネス３５Ｒと、左側信号ワイヤーハーネス３５Ｌとは、前後方向について、電源装置１１の中央付近よりも前方の領域では、電源装置１１の左右方向の中央寄りの位置に配されている。これにより、右側信号ワイヤーハーネス３５Ｒと、左側信号ワイヤーハーネス３５Ｌとは、配線プレート２３によって保護されるようになっている。 As shown in FIG. 6, the right-side signal wire harness 35R and the left-side signal wire harness 35L are located in the front-rear direction in a region in front of the vicinity of the center of the power supply device 11 in the left-right center position of the power supply device 11. It is located in. Thereby, the right signal wire harness 35R and the left signal wire harness 35L are protected by the wiring plate 23.
　図８、並びに、図１０及び図１１に示すように、右側信号ワイヤーハーネス３５Ｒ、及び左側信号ワイヤーハーネス３５Ｌは、配線プレート２３の下方の位置において、前後方向について配線プレート２３を貫通して配されている As shown in FIGS. 8 and 10 and 11, the right-side signal wire harness 35R and the left-side signal wire harness 35L are arranged at positions below the wiring plate 23 so as to penetrate the wiring plate 23 in the front-rear direction. ing
　本実施形態においては、第１高電圧ワイヤーハーネス３２と、第２高電圧ワイヤーハーネス３３と、低電圧ワイヤーハーネス３４と、右側信号ワイヤーハーネス３５Ｒと、左側信号ワイヤーハーネス３５Ｌと、配線プレート２３とにより、ワイヤーハーネスアセンブリ７０が構成される。 In the present embodiment, the first high-voltage wire harness 32, the second high-voltage wire harness 33, the low-voltage wire harness 34, the right signal wire harness 35R, the left signal wire harness 35L, and the wiring plate 23 The wire harness assembly 70 is configured.
　また、ワイヤーハーネスアセンブリ７０と、一対のサイドフレーム１４を有するフレーム１２とにより、ワイヤーハーネスアセンブリ７０の取り付け構造７１が構成される。 Further, the wire harness assembly 70 and the frame 12 having the pair of side frames 14 form a mounting structure 71 of the wire harness assembly 70.
高電圧蓄電装置２４
　配線プレート２３の下方には、前後方向について配線プレート２３の後端部から前方に約四分の三の領域に、複数の蓄電素子３７を有する蓄電素子群７２を備えた高電圧蓄電装置２４が配設されている。複数の蓄電素子３７の少なくとも一部が直列接続されることにより、高電圧蓄電装置２４は、１００Ｖより高い電圧の直流電力を出力するようになっている。複数の蓄電素子３７は、一部が並列接続されていてもよい。 High-voltage power storage device 24
Below the wiring plate 23, a high-voltage power storage device 24 including a power storage element group 72 having a plurality of power storage elements 37 is provided in a region of about three quarters forward from the rear end of the wiring plate 23 in the front-rear direction. It is arranged. By connecting at least a part of the plurality of power storage elements 37 in series, the high-voltage power storage device 24 is configured to output DC power having a voltage higher than 100V. Some of the plurality of power storage elements 37 may be connected in parallel.
　高電圧蓄電装置２４は、複数の蓄電素子３７を備えた蓄電素子群７２が、金属製の筐体３９内に収容されて構成されている。 The high-voltage power storage device 24 is configured such that a power storage element group 72 including a plurality of power storage elements 37 is housed in a metal casing 39.
　高電圧蓄電装置２４の前後方向の中央位置付近で、且つ、左右方向の中央位置付近には、上方に開口する高電圧コネクタ４０が配されている。高電圧コネクタ４０は、配線プレート２３の対応する位置に設けられた待ち受けコネクタ４１と嵌合するようになっている。高電圧コネクタ４０と待ち受けコネクタ４１とが嵌合することにより、高電圧蓄電装置２４と配線プレート２３とが電気的に接続されるようになっている。 A high-voltage connector 40 that opens upward is arranged near the center position in the front-rear direction of the high-voltage power storage device 24 and near the center position in the left-right direction. The high-voltage connector 40 is adapted to be fitted with a standby connector 41 provided at a corresponding position on the wiring plate 23. By fitting the high voltage connector 40 and the standby connector 41, the high voltage power storage device 24 and the wiring plate 23 are electrically connected.
　待ち受けコネクタ４１の右方の位置には、図示しない制御装置からの信号に基づいて、高電圧蓄電装置２４の通電又は断電を実行する高電圧スイッチングボックス４２が配されている。高電圧スイッチングボックス４２は、上方から見て、左右方向に細長い長方形状をなしている。高電圧スイッチングボックス４２の左右方向の幅寸法は、高電圧蓄電装置２４の左右方向の幅寸法の略二分の一に設定されている。 A high-voltage switching box 42 that energizes or disconnects the high-voltage power storage device 24 based on a signal from a control device (not shown) is arranged at the right side of the standby connector 41. The high-voltage switching box 42 has a rectangular shape elongated in the left-right direction when viewed from above. The width of the high-voltage switching box 42 in the left-right direction is set to be approximately one half of the width of the high-voltage power storage device 24 in the left-right direction.
　高電圧コネクタ４０には、高電圧コネクタ４０よりも前方に延びる第１高電圧ワイヤーハーネス３２が接続されている。第１高電圧ワイヤーハーネス３２の前端部は、高電圧蓄電装置２４の前部から前方に導出されて、後述するジャンクションボックス４３に接続されている。 A first high-voltage wire harness 32 extending forward of the high-voltage connector 40 is connected to the high-voltage connector 40. The front end portion of the first high-voltage wire harness 32 is led out from the front portion of the high-voltage power storage device 24 and connected to a junction box 43 described later.
　第１高電圧ワイヤーハーネス３２の左方には、第２高電圧ワイヤーハーネス３３が、第１高電圧ワイヤーハーネス３２と並んで、前後方向に延びて配索されている。 On the left side of the first high-voltage wire harness 32, a second high-voltage wire harness 33 is arranged side by side in the front-rear direction, along with the first high-voltage wire harness 32.
　図１１に示すように、第１高電圧ワイヤーハーネス３２を構成する第１高電圧電線５９、及び第２高電圧ワイヤーハーネス３３を構成する第２高電圧電線６０の断面形状は、上下方向に扁平な楕円形状、又は、長円形状をなしている。第１高電圧電線５９、及び第２高電圧電線６０は、導電性の金属からなると共に角筒状をなすシールド部材４４によって一括して包囲されている。 As shown in FIG. 11, the cross-sectional shapes of the first high-voltage electric wire 59 that forms the first high-voltage wire harness 32 and the second high-voltage electric wire 60 that forms the second high-voltage wire harness 33 are flat in the vertical direction. It has an elliptical shape or an oval shape. The first high-voltage electric wire 59 and the second high-voltage electric wire 60 are collectively surrounded by a shield member 44 which is made of a conductive metal and has a rectangular tube shape.
多機能ボックス４５
　配線プレート２３の下方であって、且つ、高電圧蓄電装置２４の前方の領域には、多機能ボックス４５が配設されている。多機能ボックス４５は金属製の筐体４６を有する。多機能ボックス４５の筐体４６の内部には、上述した第１高電圧ワイヤーハーネス３２に接続されるジャンクションボックス４３と、出力電圧が１２Ｖである第１低電圧蓄電装置２５と、出力電圧が４８Ｖである第２低電圧蓄電装置２６と、第１低電圧蓄電装置２５に接続される第１ＤＣ／ＤＣコンバータ２８と、第２低電圧蓄電装置２６に接続される第２ＤＣ／ＤＣコンバータ２９と、前述した給電ワイヤーハーネス３６に接続される１００Ｖチャージャー２７と、が収容されている。 Multi-function box 45
A multifunctional box 45 is arranged in a region below the wiring plate 23 and in front of the high-voltage power storage device 24. The multi-function box 45 has a metal housing 46. Inside the housing 46 of the multifunction box 45, the junction box 43 connected to the above-described first high-voltage wire harness 32, the first low-voltage power storage device 25 having an output voltage of 12V, and the output voltage of 48V. The second low-voltage power storage device 26, the first DC/DC converter 28 connected to the first low-voltage power storage device 25, the second DC/DC converter 29 connected to the second low-voltage power storage device 26, and The 100V charger 27 connected to the power supply wire harness 36 is accommodated.
　ジャンクションボックス４３は、多機能ボックス４５の後部寄りの位置であって、且つ左右方向の中央付近に配されている。ジャンクションボックス４３は、第１高電圧ワイヤーハーネス３２から受け取った電力を分岐して、複数の機器に送電する。ジャンクションボックス４３の後部からは、第１高電圧ワイヤーハーネス３２の左方に並んで、後方へ延びる第２高電圧ワイヤーハーネス３３が導出されている。第２高電圧ワイヤーハーネス３３は、配線プレート２３に配索されて、配線プレート２３の後部から後方へと導出されている。第２高電圧ワイヤーハーネス３３は、図示しないインバータ等を介して図示しないリアモーターに接続されて、リアモーターに電力を供給する。第１高電圧ワイヤーハーネス３２、及び第２高電圧ワイヤーハーネス３３と、ジャンクションボックス４３とは、電力コネクタ５０を介して電気的に接続されている。 The junction box 43 is located near the rear of the multifunctional box 45 and near the center in the left-right direction. The junction box 43 branches the electric power received from the first high-voltage wire harness 32 and transmits the electric power to a plurality of devices. From the rear part of the junction box 43, a second high-voltage wire harness 33 is led out, which is arranged to the left of the first high-voltage wire harness 32 and extends rearward. The second high-voltage wire harness 33 is routed on the wiring plate 23 and led out from the rear portion of the wiring plate 23 to the rear. The second high-voltage wire harness 33 is connected to a rear motor (not shown) via an inverter (not shown) and supplies electric power to the rear motor. The first high-voltage wire harness 32, the second high-voltage wire harness 33, and the junction box 43 are electrically connected via the power connector 50.
　ジャンクションボックス４３には複数の低電圧ワイヤーハーネス３４が接続されている。ジャンクションボックス４３に接続された低電圧ワイヤーハーネス３４は、分岐されて、多機能ボックス４５内に収容された機器に接続されている。 A plurality of low-voltage wire harnesses 34 are connected to the junction box 43. The low-voltage wire harness 34 connected to the junction box 43 is branched and connected to the equipment housed in the multifunction box 45.
　第１低電圧蓄電装置２５と、第１ＤＣ／ＤＣコンバータ２８と、が、ジャンクションボックス４３及び低電圧ワイヤーハーネス３４を介して接続されている。更に、第１低電圧蓄電装置２５と、高電圧蓄電装置２４とが、低電圧ワイヤーハーネス３４、ジャンクションボックス４３、及び第１高電圧ワイヤーハーネス３２を介して接続されている。 The first low-voltage power storage device 25 and the first DC/DC converter 28 are connected via a junction box 43 and a low-voltage wire harness 34. Further, the first low-voltage power storage device 25 and the high-voltage power storage device 24 are connected via the low-voltage wire harness 34, the junction box 43, and the first high-voltage wire harness 32.
　第２低電圧蓄電装置２６と、第２ＤＣ／ＤＣコンバータ２９とが、ジャンクションボックス４３及び低電圧ワイヤーハーネス３４を介して接続されている。更に、第２低電圧蓄電装置２６と、高電圧蓄電装置２４とが、低電圧ワイヤーハーネス３４、ジャンクションボックス４３、及び第１高電圧ワイヤーハーネス３２を介して接続されている。 The second low-voltage power storage device 26 and the second DC/DC converter 29 are connected via the junction box 43 and the low-voltage wire harness 34. Further, the second low-voltage power storage device 26 and the high-voltage power storage device 24 are connected via the low-voltage wire harness 34, the junction box 43, and the first high-voltage wire harness 32.
　また、１００Ｖチャージャー２７は、低電圧ワイヤーハーネス３４、ジャンクションボックス４３、及び第１高電圧ワイヤーハーネス３２を介して、高電圧蓄電装置２４に接続されている。 Further, the 100V charger 27 is connected to the high-voltage power storage device 24 via the low-voltage wire harness 34, the junction box 43, and the first high-voltage wire harness 32.
　なお、図６には、主な低電圧ワイヤーハーネス３４を記載し、一部の低電圧ワイヤーハーネス３４については省略してある。 Note that FIG. 6 shows the main low-voltage wire harness 34 and omits some of the low-voltage wire harness 34.
　図６に示すように、多機能ボックス４５の右前部には、第１低電圧蓄電装置２５が配されている。第１低電圧蓄電装置２５は上方から見て長方形状をなしている。第１低電圧蓄電装置２５の後方には、第２低電圧蓄電装置２６が配されている。第２低電圧蓄電装置２６は上方から見て、第１低電圧蓄電装置２５よりもやや大きな長方形状をなしている。なお、第１低電圧蓄電装置２５と第２低電圧蓄電装置２６の、前後方向についての配置は、本実施形態に限定されない。 As shown in FIG. 6, the first low-voltage power storage device 25 is arranged on the right front part of the multi-function box 45. The first low-voltage power storage device 25 has a rectangular shape when viewed from above. A second low-voltage power storage device 26 is arranged behind the first low-voltage power storage device 25. The second low-voltage power storage device 26 has a rectangular shape that is slightly larger than the first low-voltage power storage device 25 when viewed from above. The arrangement of the first low-voltage power storage device 25 and the second low-voltage power storage device 26 in the front-rear direction is not limited to this embodiment.
　多機能ボックス４５の左端部には、第１低電圧蓄電装置２５に電気的に接続される第１ＤＣ／ＤＣコンバータ２８と、第２低電圧蓄電装置２６に電気的に接続される第２ＤＣ／ＤＣコンバータ２９とが、前後に並んで配されている。なお、第１ＤＣ／ＤＣコンバータ２８と、第２ＤＣ／ＤＣコンバータ２９の前後方向の配置は、本実施形態に限定されない。 A first DC/DC converter 28 electrically connected to the first low-voltage power storage device 25 and a second DC/DC electrically connected to the second low-voltage power storage device 26 are provided at the left end of the multi-function box 45. The converter 29 and the converter 29 are arranged side by side. The arrangement of the first DC/DC converter 28 and the second DC/DC converter 29 in the front-rear direction is not limited to this embodiment.
実施形態の作用効果
　続いて、本実施形態の作用効果について説明する。本実施形態は、複数の蓄電素子３７を有する蓄電素子群７３を備えた高電圧蓄電装置２４に取り付けられるワイヤーハーネスアセンブリ７０であって、高電圧蓄電装置２４に電気的に接続される第１高電圧ワイヤーハーネス３２及び第２高電圧ワイヤーハーネス３３と、第１高電圧ワイヤーハーネス３２及び第２高電圧ワイヤーハーネス３３が配索される配線プレート２３と、配線プレート２３に配索されると共に、第１高電圧ワイヤーハーネス３２及び第２高電圧ワイヤーハーネス３３よりも低い電圧の電流が流れる低電圧ワイヤーハーネス３４、右側信号ワイヤーハーネス３５Ｒ、及び左側信号ワイヤーハーネス３５Ｌと、を備える。 Operation and Effect of Embodiment Next, the operation and effect of the present embodiment will be described. The present embodiment is a wire harness assembly 70 attached to a high-voltage power storage device 24 including a power storage element group 73 having a plurality of power storage elements 37, which is a first harness electrically connected to the high-voltage power storage device 24. The voltage wire harness 32 and the second high-voltage wire harness 33, the wiring plate 23 on which the first high-voltage wire harness 32 and the second high-voltage wire harness 33 are arranged, and the wiring plate 23 and the wiring plate 23. The low-voltage wire harness 34 in which the electric current of a voltage lower than the 1st high-voltage wire harness 32 and the 2nd high-voltage wire harness 33 flows, the right side signal wire harness 35R, and the left side signal wire harness 35L is provided.
　上記の構成によれば、高電圧蓄電装置２４にワイヤーハーネスアセンブリ７０を取り付けることにより、第１高電圧ワイヤーハーネス３２及び第２高電圧ワイヤーハーネス３３と、低電圧ワイヤーハーネス３４、右側信号ワイヤーハーネス３５Ｒ、及び左側信号ワイヤーハーネス３５Ｌとを、配線プレート２３に配索された状態で車両１０内に取り付けることができる。これにより、第１高電圧ワイヤーハーネス３２及び第２高電圧ワイヤーハーネス３３と、低電圧ワイヤーハーネス３４、右側信号ワイヤーハーネス３５Ｒ、及び左側信号ワイヤーハーネス３５Ｌの配索作業を効率化することができる。 According to the above configuration, by attaching the wire harness assembly 70 to the high voltage power storage device 24, the first high voltage wire harness 32 and the second high voltage wire harness 33, the low voltage wire harness 34, and the right signal wire harness 35R. , And the left-side signal wire harness 35L can be attached to the inside of the vehicle 10 while being routed to the wiring plate 23. Thereby, the wiring work of the 1st high voltage wire harness 32 and the 2nd high voltage wire harness 33, the low voltage wire harness 34, the right side signal wire harness 35R, and the left side signal wire harness 35L can be streamlined.
　本実施形態に係る配線プレート２３には、センサ５１に接続されて、センサ５１から出力される信号が流れる右側信号ワイヤーハーネス３５Ｒが配索されている。 On the wiring plate 23 according to the present embodiment, a right-side signal wire harness 35R connected to the sensor 51 and in which a signal output from the sensor 51 flows is routed.
　上記の構成によれば、信号線の配索作業についても効率化することができる。 According to the above configuration, it is possible to improve the efficiency of the signal line wiring work.
　配線プレート２３には、左側信号ワイヤーハーネス３５Ｌが、右側信号ワイヤーハーネス３５Ｒの冗長化となるように右側信号ワイヤーハーネス３５Ｒと異なる経路に配されている。 On the wiring plate 23, the left-side signal wire harness 35L is arranged in a different route from the right-side signal wire harness 35R so as to be redundant with the right-side signal wire harness 35R.
　上記の構成によれば、車両１０の事故等により右側信号ワイヤーハーネス３５Ｒが断線した場合でも、左側信号ワイヤーハーネス３５Ｌによって、断線前に右側信号ワイヤーハーネス３５Ｒが送受信していた信号を継続して送受信することができる。これにより、ワイヤーハーネスアセンブリ７０の信頼性を向上させることができる。同様に、左側信号ワイヤーハーネス３５Ｌが断線した場合でも、右側信号ワイヤーハーネス３５Ｒによって、断線前に左側信号ワイヤーハーネス３５Ｌが送受信していた信号を継続して送受信することができる。 According to the above configuration, even when the right side signal wire harness 35R is disconnected due to an accident of the vehicle 10 or the like, the left side signal wire harness 35L continuously transmits and receives the signal transmitted and received by the right side signal wire harness 35R before the disconnection. can do. Thereby, the reliability of the wire harness assembly 70 can be improved. Similarly, even when the left signal wire harness 35L is broken, the right signal wire harness 35R can continuously transmit and receive the signal that the left signal wire harness 35L was transmitting and receiving before the disconnection.
　また、本実施形態によれば、配線プレート２３は、高電圧蓄電装置２４に取り付けられる蓋部材である。 Further, according to the present embodiment, the wiring plate 23 is a lid member attached to the high-voltage power storage device 24.
　上記の構成によれば、高電圧蓄電装置２４に取り付けられる蓋部材を、配線プレート２３として用いることができるので、部品点数の増加を抑制することができる。 According to the above configuration, the lid member attached to the high-voltage power storage device 24 can be used as the wiring plate 23, so that an increase in the number of parts can be suppressed.
　また、本実施形態に係るワイヤーハーネスアセンブリ７０の取り付け構造７１は、ワイヤーハーネスアセンブリ７０と、ワイヤーハーネスアセンブリ７０が取り付けられたフレーム１２と、を備え、フレーム１２は、前後方向に延びると共に左右方向に間隔を空けて並ぶ一対のサイドフレーム１４を有し、ワイヤーハーネスアセンブリ７０は一対のサイドフレーム１４の間に配されている。 Further, the attachment structure 71 of the wire harness assembly 70 according to the present embodiment includes the wire harness assembly 70 and the frame 12 to which the wire harness assembly 70 is attached. The frame 12 extends in the front-rear direction and extends in the left-right direction. The wire harness assembly 70 has a pair of side frames 14 arranged at intervals, and the wire harness assembly 70 is arranged between the pair of side frames 14.
　上記の構成によれば、車両１０の側面に衝撃が加えられた場合でも、一対のサイドフレーム１４の間に配されたワイヤーハーネスアセンブリ７０が破損することが抑制されるので、配線プレート２３に配索された第１高電圧ワイヤーハーネス３２及び第２高電圧ワイヤーハーネス３３と、低電圧ワイヤーハーネス３４、右側信号ワイヤーハーネス３５Ｒ、及び左側信号ワイヤーハーネス３５Ｌが断線することが抑制される。これにより、ワイヤーハーネスアセンブリ７０の信頼性を向上させることができる。 According to the above configuration, even if an impact is applied to the side surface of the vehicle 10, it is possible to prevent the wire harness assembly 70 arranged between the pair of side frames 14 from being damaged. The disconnection of the searched first high-voltage wire harness 32 and second high-voltage wire harness 33, the low-voltage wire harness 34, the right-side signal wire harness 35R, and the left-side signal wire harness 35L is suppressed. Thereby, the reliability of the wire harness assembly 70 can be improved.
　＜他の実施形態＞
　本明細書に開示された技術は上記記述及び図面によって説明した実施形態に限定されるものではなく、例えば次のような実施形態も本明細書に開示された技術の技術的範囲に含まれる。 <Other Embodiments>
The technology disclosed in this specification is not limited to the embodiments described by the above description and the drawings, and the following embodiments are also included in the technical scope of the technology disclosed in this specification.
（１）低電圧蓄電装置の出力電圧は、１２Ｖ、又は４８Ｖに限らず、任意の電圧とすることができる。 (1) The output voltage of the low-voltage power storage device is not limited to 12V or 48V, and can be any voltage.
（２）配線プレート２３に配設される電気機器は、ＤＣ／ＤＣコンバータに限られず、配線プレート２３には、任意の電気機器を配設することができる。 (2) The electric device arranged on the wiring plate 23 is not limited to the DC/DC converter, and any electric device can be arranged on the wiring plate 23.
（３）低電圧蓄電装置は、配線プレート２３の任意の位置に配置することができる。 (3) The low-voltage power storage device can be arranged at any position on the wiring plate 23.
（４）右側信号ワイヤーハーネス３５Ｒ，及び／又は左側信号ワイヤーハーネス３５Ｌは省略してもよい。 (4) The right signal wire harness 35R and/or the left signal wire harness 35L may be omitted.
（５）車両１０は、電気自動車、ハイブリッド自動車、プラグインハイブリッド自動車を含む。 (5) The vehicle 10 includes an electric vehicle, a hybrid vehicle, and a plug-in hybrid vehicle.
（６）第１高電圧ワイヤーハーネス３２、第２高電圧ワイヤーハーネス３３、低電圧ワイヤーハーネス３４、右側信号ワイヤーハーネス３５Ｒ、及び左側信号ワイヤーハーネス３５Ｌは、配線プレート２３の上方において、配線プレート２３の上面に沿うように配される構成としてもよい。 (6) The first high-voltage wire harness 32, the second high-voltage wire harness 33, the low-voltage wire harness 34, the right-side signal wire harness 35R, and the left-side signal wire harness 35L are provided on the wiring plate 23 above the wiring plate 23. It may be configured to be arranged along the upper surface.
　１１：電源装置
　２３：配線プレート（蓋部材の一例）
　２４：高電圧蓄電装置（蓄電モジュールの一例）
　３２：第１高電圧ワイヤーハーネス（高電圧ワイヤーハーネスの一例）
　３３：第２高電圧ワイヤーハーネス（高電圧ワイヤーハーネスの一例）
　３４：低電圧ワイヤーハーネス
　３５Ｒ：右側信号ワイヤーハーネス（低電圧ワイヤーハーネスの一例、信号線の一例）
　３５Ｌ：左側信号ワイヤーハーネス（低電圧ワイヤーハーネスの一例、補助線の一例
　７０：ワイヤーハーネスアセンブリ
　７１：ワイヤーハーネスアセンブリの取り付け構造
　７２：蓄電素子群 11: Power supply device 23: Wiring plate (an example of a lid member)
24: High-voltage power storage device (an example of a power storage module)
32: First high-voltage wire harness (an example of high-voltage wire harness)
33: Second high-voltage wire harness (an example of high-voltage wire harness)
34: Low-voltage wire harness 35R: Right-side signal wire harness (one example of low-voltage wire harness, one example of signal line)
35L: left side signal wire harness (one example of low voltage wire harness, one example of auxiliary line 70: wire harness assembly 71: wire harness assembly mounting structure 72: storage element group

Claims (5)

  1. 　複数の蓄電素子を有する蓄電素子群を備えた蓄電モジュールに取り付けられるワイヤーハーネスアセンブリであって、
    　前記蓄電モジュールに電気的に接続される高電圧ワイヤーハーネスと、
    　前記高電圧ワイヤーハーネスが配索される配線プレートと、
    　前記配線プレートに配索されると共に、前記高電圧ワイヤーハーネスよりも低い電圧の電流が流れる低電圧ワイヤーハーネスと、を備えるワイヤーハーネスアセンブリ。     A wire harness assembly attached to an electricity storage module including an electricity storage element group having a plurality of electricity storage elements,
    A high-voltage wire harness electrically connected to the storage module,
    A wiring plate on which the high-voltage wire harness is routed,
    A low-voltage wire harness that is routed to the wiring plate and through which a current of a voltage lower than that of the high-voltage wire harness flows.
  2. 　前記低電圧ワイヤーハーネスは信号線を含む、請求項１に記載のワイヤーハーネスアセンブリ。 The wire harness assembly according to claim 1, wherein the low-voltage wire harness includes a signal line.
  3. 　前記配線プレートには、少なくとも一つの補助線が、前記信号線の冗長化となるように前記信号線と異なる経路に配されている、請求項２に記載のワイヤーハーネスアセンブリ。 The wire harness assembly according to claim 2, wherein at least one auxiliary line is arranged on the wiring plate in a route different from that of the signal line so as to make the signal line redundant.
  4. 　前記配線プレートは、前記蓄電モジュールに取り付けられる蓋部材である、請求項１から請求項３のいずれか一項に記載のワイヤーハーネスアセンブリ。 The wire harness assembly according to any one of claims 1 to 3, wherein the wiring plate is a lid member attached to the power storage module.
  5. 　請求項１から請求項４のいずれか一項に記載のワイヤーハーネスアセンブリと、
    　前記ワイヤーハーネスアセンブリが取り付けられたフレームと、を備え、
    　前記フレームは、前後方向に延びると共に左右方向に間隔を空けて並ぶ一対のサイドフレームを有し、前記ワイヤーハーネスアセンブリは前記一対のサイドフレームの間に配されている、ワイヤーハーネスアセンブリの取り付け構造。     A wire harness assembly according to any one of claims 1 to 4,
    A frame to which the wire harness assembly is attached,
    The wire harness assembly mounting structure, wherein the frame has a pair of side frames that extend in the front-rear direction and are arranged at intervals in the left-right direction, and the wire harness assembly is arranged between the pair of side frames.
PCT/JP2019/048005 2018-12-26 2019-12-09 Wire harness assembly and wire harness assembly mounting structure WO2020137472A1 (en)

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JP2014230469A (en) * 2013-05-27 2014-12-08 ナブテスコ株式会社 Wiring support structure
JP2015020655A (en) * 2013-07-22 2015-02-02 株式会社オートネットワーク技術研究所 Electric wire component
JP2015182655A (en) * 2014-03-25 2015-10-22 三菱自動車工業株式会社 electric vehicle
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WO2013084942A1 (en) * 2011-12-09 2013-06-13 本田技研工業株式会社 Battery pack for electric car
JP2014022092A (en) * 2012-07-13 2014-02-03 Mitsubishi Motors Corp Battery pack for vehicles
JP2014230469A (en) * 2013-05-27 2014-12-08 ナブテスコ株式会社 Wiring support structure
JP2015020655A (en) * 2013-07-22 2015-02-02 株式会社オートネットワーク技術研究所 Electric wire component
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