WO2011145577A1 - 高電圧ユニットの保護構造 - Google Patents
高電圧ユニットの保護構造 Download PDFInfo
- Publication number
- WO2011145577A1 WO2011145577A1 PCT/JP2011/061230 JP2011061230W WO2011145577A1 WO 2011145577 A1 WO2011145577 A1 WO 2011145577A1 JP 2011061230 W JP2011061230 W JP 2011061230W WO 2011145577 A1 WO2011145577 A1 WO 2011145577A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- vehicle
- voltage unit
- high voltage
- cable
- dash panel
- Prior art date
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Classifications
-
- 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
- B60R16/0207—Wire harnesses
- B60R16/0215—Protecting, fastening and routing means therefor
-
- 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
- B60R16/04—Arrangement of batteries
Definitions
- the present invention relates to a high voltage unit particularly in vehicles such as electric vehicles and hybrid vehicles, and more particularly to a protective structure for a high voltage unit in which a high voltage cable is routed.
- environmentally friendly vehicles such as electric vehicles (EV) and hybrid vehicles (HEV) have attracted attention.
- EV electric vehicles
- HEV hybrid vehicles
- These environmentally-friendly vehicles are equipped with a motor for driving the vehicle and a high-voltage unit.
- a passenger compartment 104 (a cabin in which a driver or a driver and passengers board, so-called cabin), a passenger compartment 104.
- a high voltage cable 109 connected to the unit 107 and extending rearward of the vehicle is provided.
- the high voltage cable 109 is composed of a plus (+) side cable 111 and a minus ( ⁇ ) side cable 112, and is connected to the connecting portion 110 on the rear surface of the high voltage unit 107.
- the high-voltage unit 107 and the dash panel 106 are covered with a protective member (protector) 116.
- the electric equipment mounting structure and the electric vehicle according to Patent Document 1 are obtained by connecting a cable to a connection portion located on the surface of the control unit facing the air cleaner in the storage compartment of the hybrid vehicle.
- the high voltage cable 109 is routed in a shape close to a right angle from the dash panel 106, and a sufficient length cannot be secured, so an external force from the front of the vehicle (FIG. 7).
- the vehicle body 102 is shortened by the shortening portions 102R and 102L, the movement of the high voltage unit 107 (indicated by the white arrow Q in FIG. 7) is high. Since the voltage cable 109 cannot follow, the high voltage cable 109 may be disconnected.
- the section from the high voltage unit 107 to the protection member (protector) 116 is short, the length L1 of the plus (+) side cable 111 of the high voltage cable 109 and the minus ( ⁇ ) side cable 112. It was difficult to give a difference to the length L2 of the rim, and there was a risk of erroneous assembly.
- an object of the present invention is to prevent erroneous assembly in view of the above-described prior art, and to prevent disconnection of a high-voltage cable and to prevent a short circuit even when an external force is applied from the front of the vehicle.
- a vehicle having a high voltage unit protection structure for achieving the above object stores a vehicle compartment and a high voltage unit ahead of the vehicle compartment in the longitudinal direction of the vehicle.
- a high voltage unit including a storage room, a dash panel that partitions the vehicle compartment and the storage room, and a high voltage cable connected to the high voltage unit is mounted, and the high voltage cable In the space between the dash panel and the high voltage unit that is routed along the storage chamber side wall surface of the dash panel and toward the vehicle side surface from the rear side in the direction toward the high voltage unit
- the high voltage unit is preferably an inverter.
- the structural high-voltage unit having the above-described protective structure is applied to vehicles such as electric vehicles and hybrid vehicles.
- the vehicle having the high-voltage unit protection structure of the present invention has a U-shaped connection between the high-voltage unit and the dash panel, and the high-voltage cable connection portion is disposed on the side surface of the high-voltage unit.
- FIG. 1 is a schematic plan view of a front portion of a vehicle equipped with a high voltage unit having a protection structure according to an embodiment of the present invention.
- FIG. 2 is a schematic plan view of the front portion of the vehicle when an external force is applied from the front of the vehicle in FIG.
- FIG. 3 is an explanatory view showing a bent state of the high voltage cable of the high voltage unit in FIG.
- FIG. 4 is an explanatory view showing a wiring state of the high voltage cable.
- FIG. 5 is an explanatory diagram showing a state in which the plus (+) side cable is arranged on the inner side of the minus ( ⁇ ) cable in the high voltage cable routing state.
- FIG. 6 is a schematic plan view of a front portion of a vehicle according to a conventional example.
- FIG. 1 is a schematic plan view of a front portion of a vehicle equipped with a high voltage unit having a protection structure according to an embodiment of the present invention.
- FIG. 2 is a schematic plan view of the front portion of the
- FIG. 7 is a plan view of the front portion of the vehicle when an external force is applied from the front of the vehicle in FIG.
- FIG. 8 is an explanatory view showing a bent state of the high voltage cable of the high voltage unit in FIG.
- FIG. 9 is an explanatory view showing a state in which the high voltage cable is in contact.
- the present invention prevents a short circuit of a high voltage cable, and even when an external force is applied from the front of the vehicle, prevents the disconnection of the high voltage cable and achieves the purpose of preventing the short circuit.
- a high voltage unit protection structure that enables the U-shaped structure of the high voltage cable between the high voltage unit and the dash panel, as well as arranging the cable connection on the side of the high voltage unit. To do.
- a vehicle 1 is a vehicle including an electric vehicle (EV), a hybrid vehicle (HEV), and the like, and includes a vehicle body (body) 2, a right headlight 3R, and a left headlight 3L.
- EV electric vehicle
- HEV hybrid vehicle
- the vehicle 1 includes a compartment (so-called cabin) 4, a storage compartment 5 in front of the compartment 4, and a dash panel 6 extending in the vehicle width direction so as to partition the compartment 4 and the compartment 5. I have.
- a rectangular inverter 8 is stored as a high voltage unit 7 at a substantially central portion.
- the high voltage unit 7 it is also possible to provide other electric devices such as a motor.
- HEV hybrid vehicle
- an engine is usually mounted and stored in the storage chamber 5.
- the inverter 8 includes a connecting portion 10 for a high voltage cable 9 on the left side surface (right side in the figure).
- the high voltage cable 9 includes a plus (+) side cable 11 and a minus ( ⁇ ) side cable 12, and extends along the storage chamber side wall surface 13 of the dash panel 6 from the rear side of the vehicle compartment in the vehicle longitudinal direction (traveling direction). Further, it is routed toward the vehicle left side surface 14 as the vehicle side surface, and is bent (deformed) into a U shape in a space 15 between the dash panel 6 and the inverter 8 on the way to the inverter 8, and the left side of the inverter 8. It is connected to the connection part 10 of a surface, and is connected to the battery provided in the compartment side behind a vehicle. In this case, the plus (+) side cable 11 is routed inside the minus ( ⁇ ) side cable 12.
- the high voltage cable 9 has a portion 9 ⁇ / b> A routed along the storage chamber side wall surface 13 of the dash panel 6 and a portion 9 ⁇ / b> B connected to the inverter 8 substantially parallel to each other. It has a shape to become.
- the portion 9 ⁇ / b> A routed along the storage chamber side wall surface 13 of the dash panel 6 of the high voltage cable 9 is covered with a protective member (protector) 16.
- the protective member 16 is a fixed point of the high voltage cable 9.
- the high voltage cable 9 (plus (+) side cable 11, minus ( ⁇ ) side cable 12) has a wire diameter (D1, D2). Therefore, the bending is large and the difference between the bending r1 of the inner plus (+) cable 11 and the bending r2 of the outer minus ( ⁇ ) cable 12 is large.
- the length L1 of the plus (+) side cable 11 and the length L2 of the minus ( ⁇ ) side cable 12 are equal to a semicircular circumference ⁇ r.
- the difference between the bend r1 of the plus (+) side cable 11 and the bend r2 of the minus ( ⁇ ) side cable 12 is inevitably large, and the difference of L1 ⁇ L2 inevitably appears. Therefore, by arranging the high voltage cable 9 connected to the connection portion 9 of the inverter 8 in a U-shaped layout, the length L1 of the plus (+) side cable 11 and the length L2 of the minus ( ⁇ ) side cable 12 are set. And can be changed.
- the extra length of the high voltage cable 9 can be made longer than in the conventional case, and the length L1 of the plus (+) side cable 11 and the length of the minus ( ⁇ ) side cable 12 of the high voltage cable 9 can be obtained. Since there is a difference from L2, erroneous assembly can be prevented when the high-voltage cable 9 is connected to the inverter 8.
- the length of the high voltage cable 9 since the length of the high voltage cable 9 has a margin, the length of the high voltage cable 9 can be increased between the protective member 16 serving as a fixed point and the inverter 8.
- the shortened portions 2R and 2L are generated in the vehicle body 2 and the inverter 8 moves to the rear of the vehicle (white in FIG. 2).
- the high voltage cable 9 can be easily moved following the movement of the inverter 8, and disconnection of the high voltage cable 9 can be prevented.
- the high voltage cable 9 is connected to the side surface of the inverter 8, when an external force (indicated by the white arrow P in FIG. 2) acts from the front in the vehicle front-rear direction (traveling direction), the vehicle body 2 Even if the shortened portions 2R and 2L are generated, the connection portion 10 of the high voltage cable 9 can be prevented from coming into contact with the vehicle body 2. Further, by arranging the high voltage cable 9 in a U-shape, a positive (+) cable 11 having the same polarity is arranged inside the U-shape, so that an external force (white in FIG.
- the plus (+) side cable 11 and the minus ( ⁇ ) side cable 12 are replaced, and the minus ( ⁇ ) side cable 12 is routed inside the plus (+) side cable 11. It is also possible to bring the minus ( ⁇ ) side cables 12 into contact with each other.
- the present invention can be particularly effective when the high voltage unit 7 is the inverter 8 as in the case where the voltage unit 7 is the inverter 8. It is particularly effective to adapt to a high voltage unit of a vehicle such as an electric vehicle or a hybrid vehicle.
- the high-voltage cable routing structure according to the present invention can also be applied to a cable that connects to another device such as a 12V battery.
Abstract
Description
2 車体(ボディ)
3R 右側ヘッドライト
3L 左側ヘッドライト
4 車室 (キャビン)
5 格納室
6 ダッシュパネル
7 高電圧ユニット
8 インバータ
9 高電圧ケーブル
10 接続部
11 プラス(+)側ケーブル
12 マイナス(-)側ケーブル
13 格納室側壁面
14 車体左側面
15 空間
16 保護部材
17 プラス(+)側端子
18 マイナス(-)側端子
Claims (3)
- 車室と、この車室よりも車両の前後方向において前方の高電圧ユニットを格納する格納室と、前記車室と前記格納室とを仕切るダッシュパネルと、前記高電圧ユニットに接続される高電圧ケーブルとを備えた高電圧ユニットを搭載した車両における高電圧ユニットの保護構造にであって、
前記高電圧ケーブルは、車両前後方向における車室側後方から前記ダッシュパネルの格納室側壁面に沿って且つ車両側面に向かって配索され、前記高電圧ユニットに向かう途中の前記ダッシュパネルと前記高電圧ユニットとの間の空間でU字状に変形され、前記高電圧ユニットの側面に接続されるとともに、前記ダッシュパネルの格納室側壁面に沿って配索された部分と前記高電圧ユニットに接続された部分とが略平行となる形状を備えていることを特徴とする高電圧ユニット保護構造。 - 前記高電圧ユニットは、インバータであることを特徴とする請求項1に記載の高電圧ユニットの保護構造。
- 前記高電圧ユニットは、電気自動車やハイブリッド車の車両に搭載されることを特徴とする請求項1に記載の高電圧ユニットの保護構造。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201180024846.3A CN102892635B (zh) | 2010-05-18 | 2011-05-16 | 高电压单元的保护结构 |
US13/697,752 US8657355B2 (en) | 2010-05-18 | 2011-05-16 | Protective structure for high-voltage unit |
DE112011101686T DE112011101686T5 (de) | 2010-05-18 | 2011-05-16 | Schutzstruktur für eine Hochspannungseinheit |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010-113957 | 2010-05-18 | ||
JP2010113957A JP2011240799A (ja) | 2010-05-18 | 2010-05-18 | 高電圧ユニットを搭載した車両 |
Publications (1)
Publication Number | Publication Date |
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WO2011145577A1 true WO2011145577A1 (ja) | 2011-11-24 |
Family
ID=44991680
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2011/061230 WO2011145577A1 (ja) | 2010-05-18 | 2011-05-16 | 高電圧ユニットの保護構造 |
Country Status (5)
Country | Link |
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US (1) | US8657355B2 (ja) |
JP (1) | JP2011240799A (ja) |
CN (1) | CN102892635B (ja) |
DE (1) | DE112011101686T5 (ja) |
WO (1) | WO2011145577A1 (ja) |
Cited By (1)
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CN104602969A (zh) * | 2012-08-27 | 2015-05-06 | 日产自动车株式会社 | 电动车辆的强电线束连接构造 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP5508543B2 (ja) * | 2010-11-12 | 2014-06-04 | 本田技研工業株式会社 | 車両のケーブル配設構造 |
JP7196455B2 (ja) * | 2018-08-10 | 2022-12-27 | トヨタ自動車株式会社 | 車両前部構造 |
JP7091299B2 (ja) * | 2019-09-12 | 2022-06-27 | 本田技研工業株式会社 | 車両用駆動ユニット |
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2010
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2011
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- 2011-05-16 US US13/697,752 patent/US8657355B2/en active Active
- 2011-05-16 DE DE112011101686T patent/DE112011101686T5/de active Pending
- 2011-05-16 WO PCT/JP2011/061230 patent/WO2011145577A1/ja active Application Filing
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Also Published As
Publication number | Publication date |
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CN102892635B (zh) | 2014-12-17 |
US20130057028A1 (en) | 2013-03-07 |
JP2011240799A (ja) | 2011-12-01 |
DE112011101686T5 (de) | 2013-03-21 |
CN102892635A (zh) | 2013-01-23 |
US8657355B2 (en) | 2014-02-25 |
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