JP2013047029A - Arrangement structure of high-voltage cable in vehicle - Google Patents

Arrangement structure of high-voltage cable in vehicle Download PDF

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JP2013047029A
JP2013047029A JP2011185526A JP2011185526A JP2013047029A JP 2013047029 A JP2013047029 A JP 2013047029A JP 2011185526 A JP2011185526 A JP 2011185526A JP 2011185526 A JP2011185526 A JP 2011185526A JP 2013047029 A JP2013047029 A JP 2013047029A
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vehicle
dash panel
electric wires
body space
electric wire
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Koji Mizuma
浩二 水間
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Mitsubishi Motors Corp
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

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Abstract

PROBLEM TO BE SOLVED: To provide an arrangement structure of the high-voltage cable in the vehicle that allows easy arrangement of the high-voltage cable in the vehicle body space and is advantageous for improving the assembly work efficiency of the hybrid vehicle and the electric vehicle.SOLUTION: The DC current is supplied from a battery 46 for running to an inverter 44 through the high-voltage cable 50. The high-voltage cable 50 has a bunch part 50A, a separation part 50B and a wiring part for vehicle body space 50C. The bunch part 50A, in which two wires 5002 and 5004 are brought together as one body, extends in a back and forth direction under a floor panel 32, and the front is located in the backward part near a dash panel 34. The separation part 50B, in which the two wires 5002 and 5004 are separated in the vehicle width direction from the front of the bunch part 50A separately and arrives at an engine room 38 through both sides of the width direction of the lower part of the dash panel 34. In the whole area of the engine room 38, the two wires 5002 and 5004 that compose the wiring part for the vehicle body space 50C are separated and wired separately.

Description

本発明は、エンジンと走行用モータとの双方を動力源として用いるプラグインハイブリッド自動車や、走行用モータのみを動力源とする電気自動車などの電動車に関する。   The present invention relates to an electric vehicle such as a plug-in hybrid vehicle using both an engine and a traveling motor as a power source, and an electric vehicle using only a traveling motor as a power source.

プラグインハイブリット自動車あるいは電気自動車のような電動車では、走行用モータの電源となる走行用バッテリは比較的体積が大きい。
そのため、車室内空間を大きく確保するため、走行用バッテリをフロアの下方や車両後部の荷室の下方に配置し、走行用モータをダッシュパネルの前方でボンネットの下方の車体空間に配置している場合が多い。
そして、走行用バッテリから走行用モータに高圧電源を供給するための高圧電線を、フロアの下方からダッシュパネルの外側を通して車体空間に配設している。
この高圧電線は、バッテリのプラス端子に接続されたプラス側の電線と、バッテリのマイナス端子に接続されたマイナス側の電線との２本の電線とが、一体的にまとめられた束部として構成されている。
２本の電線は大電流を流すためそれぞれが太くて硬く、これら２本の電線が一体的にまとめられた束部はより太く硬いものとなっている。 In an electric vehicle such as a plug-in hybrid vehicle or an electric vehicle, a traveling battery serving as a power source for the traveling motor has a relatively large volume.
Therefore, in order to secure a large vehicle interior space, the traveling battery is disposed below the floor and below the cargo compartment at the rear of the vehicle, and the traveling motor is disposed in the vehicle body space below the hood in front of the dash panel. There are many cases.
A high-voltage electric wire for supplying high-voltage power from the traveling battery to the traveling motor is disposed in the vehicle body space from below the floor through the outside of the dash panel.
This high voltage electric wire is configured as a bundle part in which two electric wires, a positive electric wire connected to the positive terminal of the battery and a negative electric wire connected to the negative terminal of the battery, are integrated together. Has been.
Since the two electric wires pass a large current, each of them is thick and hard, and the bundle portion in which these two electric wires are integrated together is thicker and harder.

特開２００５−２６２８９４JP 2005-262894 A 特開２０１１−２０６２５JP2011-20625

一方、電動車でも車体空間に、走行用モータやインバータに加え、車両の操舵系、制動系、動力伝達系、空調系を構成する多くの部材、部品が配置されている。
そのため、車体空間において上記のそれぞれが太くて硬い２本の高圧電線からなる束部を通すことができる大きさの隙間は少ない。また、束部は太くて硬いため多くの部材、部品が配置された車体空間内で束部を曲げる作業は簡単に行なえない。また、曲げる際の束部の曲率半径も大きくならざるを得ない。
そのため、部材や部品間の狭い隙間を通しながら行なう車体空間での上記の束部の配線作業は面倒な作業となっており、車両の組み立て効率を高める上で不利があった。
本発明は前記事情に鑑み案出されたものであって、本発明の目的は、車体空間において高圧電線を簡単に配設でき、電動車の組み立て作業効率を高める上で有利な車両における高圧電線の配設構造を提供することにある。 On the other hand, even in an electric vehicle, many members and parts constituting a vehicle steering system, a braking system, a power transmission system, and an air conditioning system are arranged in a vehicle body space in addition to a traveling motor and an inverter.
For this reason, in the vehicle body space, there are few gaps that are large enough to allow each of the above-mentioned thick and hard bundles of two high-voltage wires to pass through. Further, since the bundle portion is thick and hard, the work of bending the bundle portion in the vehicle body space where many members and parts are arranged cannot be easily performed. Moreover, the curvature radius of the bundle part at the time of bending must also become large.
For this reason, the wiring operation of the bundle portion in the vehicle body space performed while passing through a narrow gap between members and parts is a troublesome operation, which is disadvantageous in increasing the vehicle assembly efficiency.
The present invention has been devised in view of the above circumstances, and an object of the present invention is to easily arrange a high-voltage electric wire in a vehicle body space, which is advantageous in improving the assembly work efficiency of an electric vehicle. It is in providing the arrangement | positioning structure.

前記目的を達成するため本発明は、プラス側とマイナス側の２本の電線を含む高圧電線をダッシュパネルの外側を通り車両の前後方向に配設する車両における高圧電線の配設構造であって、前記高圧電線は、前記ダッシュパネルの前方の車体空間の全域において前記２本の電線が別々に切り離されて配線される車体空間用配線部を有していることを特徴とする。   In order to achieve the above object, the present invention is an arrangement structure of a high voltage electric wire in a vehicle in which a high voltage electric wire including two electric wires on the plus side and the minus side is arranged in the longitudinal direction of the vehicle through the outside of the dash panel. The high-voltage electric wire has a vehicle body space wiring portion in which the two electric wires are separated and wired in the entire vehicle space in front of the dash panel.

請求項１記載の発明によれば、車体空間において、単一の電線を通すための部材、部品間の隙間は、２本の電線が一体的にまとめられた束部を通すための隙間に比べて小さくて足り、電線の通過場所を簡単に確保でき、また、２本の電線が一体的にまとめられた束部を曲げる場合に比べて小さい力で、小さい曲率半径で簡単に曲げることができ、車体空間内での配線作業を簡単に行なう上で有利となる。
請求項２記載の発明によれば、束部と切り離し部とを設けることで、車体空間の後方における高圧電線の配線作業を効率良く行なう上で有利となる。
請求項３記載の発明によれば、車体空間に配置された種々の部材、部品の車幅方向の外側を通って２本の電線を配設でき、車体空間内での配線作業を簡単に行なう上で有利となる。
請求項４記載の発明によれば、フロアクロスメンバを利用することでフロアパネル下方における束部、切り離し部の配線作業を簡単に行なう上で有利となる。
請求項５記載の発明によれば、車体空間の後方においても高圧電線の配線作業を簡単に行なう上で有利となる。
請求項６記載の発明によれば、高圧電線により走行用バッテリの高圧電源を走行用モータに供給する電動車に好適となる。 According to the first aspect of the present invention, in the vehicle body space, a member for passing a single electric wire and a gap between the parts are compared with a gap for passing a bundle portion in which two electric wires are integrated together. Small and sufficient, can easily secure the passage location of the wire, and can be easily bent with a small radius of curvature with less force compared to bending a bundle of two wires integrated together. This is advantageous in simplifying the wiring work in the vehicle body space.
According to the second aspect of the present invention, the provision of the bundle portion and the separation portion is advantageous in efficiently performing the wiring work of the high-voltage electric wires behind the vehicle body space.
According to the third aspect of the present invention, the two electric wires can be arranged through the outside in the vehicle width direction of various members and parts arranged in the vehicle body space, and the wiring work in the vehicle body space can be easily performed. This is advantageous.
According to the fourth aspect of the present invention, the use of the floor cross member is advantageous in easily performing the wiring work of the bundle portion and the separation portion below the floor panel.
According to the fifth aspect of the present invention, it is advantageous to easily carry out the wiring work of the high-voltage electric wire even behind the vehicle body space.
According to the sixth aspect of the present invention, it is suitable for an electric vehicle that supplies a high-voltage power source of a traveling battery to a traveling motor by a high-voltage electric wire.

高圧電線を備えるハイブリット車の概略側面図である。It is a schematic side view of a hybrid car provided with a high voltage electric wire. 高圧電線を備えるハイブリット車の概略平面図である。It is a schematic plan view of a hybrid car provided with a high voltage electric wire. 切り離し部が描かれたエンジンルームの斜視図である。It is a perspective view of the engine room where the separation part was drawn. 高圧電線を備えるハイブリット車の概略平面図である。It is a schematic plan view of a hybrid car provided with a high voltage electric wire.

以下、本発明の実施の形態を図面にしたがって説明する。
本実施の形態の車両１０は、エンジンと走行用モータとの双方を動力源として用いるハイブリッド車である。
図１、図２において、符号１２は車体、符号１４は前輪、符号１６は後輪、符号１８は前部座席、符号２０は後部座席、符号２２はステアリングホイールを示している。
車両のフレーム２４は、車幅方向に間隔をおいて車両１０の前後方向に延在するサイドメンバ２６と、車幅方向に延在しサイドメンバ２６の前部間を連結するフロアクロスメンバ２８とを含んで構成されている。
サイドメンバ２６の上方には車室３０の下部を仕切るフロアパネル３２が設けられ、フロアパネル３２の前部からダッシュパネル３４が起立し、フロアクロスメンバ２８は、ダッシュパネル３４の近傍の後方の箇所に位置している。
車両１０の前部には、ダッシュパネル３４の前方でボンネット３６の下方に、車体空間をなすエンジンルーム３８が設けられ、ダッシュパネル３４は車室４０とエンジンルーム３８との間を仕切っている。
エンジンルーム３８には、エンジン、走行用モータ４２、インバータ４４をはじめ車両の操舵系、制動系、動力伝達系、空調系を構成する多くの部材、部品が配置されている。
また、走行用モータ４２に高圧電源を供給する走行用バッテリ４６は車両後部の荷室４８の下方に配置されている。 Hereinafter, embodiments of the present invention will be described with reference to the drawings.
The vehicle 10 of the present embodiment is a hybrid vehicle that uses both an engine and a traveling motor as power sources.
1 and 2, reference numeral 12 denotes a vehicle body, reference numeral 14 denotes a front wheel, reference numeral 16 denotes a rear wheel, reference numeral 18 denotes a front seat, reference numeral 20 denotes a rear seat, and reference numeral 22 denotes a steering wheel.
The vehicle frame 24 includes a side member 26 extending in the front-rear direction of the vehicle 10 with an interval in the vehicle width direction, and a floor cross member 28 extending in the vehicle width direction and connecting between the front portions of the side members 26. It is comprised including.
A floor panel 32 is provided above the side member 26 to divide the lower portion of the passenger compartment 30, and a dash panel 34 stands up from the front of the floor panel 32, and the floor cross member 28 is located at a rear position near the dash panel 34. Is located.
In the front portion of the vehicle 10, an engine room 38 that forms a vehicle body space is provided in front of the dash panel 34 and below the hood 36. The dash panel 34 partitions the vehicle compartment 40 and the engine room 38.
In the engine room 38, there are arranged a number of members and parts constituting an engine, a traveling motor 42, an inverter 44, a vehicle steering system, a braking system, a power transmission system, and an air conditioning system.
A traveling battery 46 that supplies high-voltage power to the traveling motor 42 is disposed below a luggage compartment 48 at the rear of the vehicle.

本実施の形態では、走行用バッテリ４６から高圧電線５０により直流電流がインバータ４４に供給され、インバータ４４は、走行用バッテリ４６から供給される直流電流を三相交流電流に変換して走行用モータ４２に供給する。   In the present embodiment, a direct current is supplied from the traveling battery 46 to the inverter 44 by the high voltage electric wire 50, and the inverter 44 converts the direct current supplied from the traveling battery 46 into a three-phase alternating current to convert the traveling motor. 42.

高圧電線５０は、走行用バッテリ４６のプラス端子に接続されたプラス側の電線５００２と、マイナス端子に接続されたマイナス側の電線５００４との２本の電線を含んで構成され、２本の電線５００２、５００４はそれぞれ大電流を流すため太くて硬い。
高圧電線５０は、束部５０Ａと切り離し部５０Ｂと車体空間用配線部５０Ｃとを有している。
束部５０Ａは、２本の電線５００２、５００４が一体的にまとめられフロアパネル３２の下方で前後方向に延在しその前部がダッシュパネル３４の近傍でダッシュパネル３４の後方箇所に位置し、後部は走行用バッテリ４６の端子側に配置されている。
束部５０Ａでは、一体的にまとめられた２本の電線５００２、５００４に単一の合成樹脂製の蛇腹状のコルゲート管が被せられており、このコルゲート管で２本の電線５００２、５００４が保護されている。
本実施の形態では、束部５０Ａの前部は、フロアクロスメンバ２８の長手方向の一方の端部側に位置している。 The high-voltage electric wire 50 includes two electric wires, that is, a positive electric wire 5002 connected to the positive terminal of the traveling battery 46 and a negative electric wire 5004 connected to the negative terminal. 5002 and 5004 are thick and hard because a large current flows therethrough.
The high-voltage electric wire 50 includes a bundle part 50A, a separation part 50B, and a vehicle body space wiring part 50C.
In the bundle portion 50A, two electric wires 5002 and 5004 are integrated together and extend in the front-rear direction below the floor panel 32, and the front portion thereof is located in the vicinity of the dash panel 34 at the rear portion of the dash panel 34, The rear portion is disposed on the terminal side of the traveling battery 46.
In the bundle portion 50A, a single synthetic resin bellows-like corrugated tube is covered with the two integrated electric wires 5002 and 5004, and the two electric wires 5002 and 5004 are protected by this corrugated tube. Has been.
In the present embodiment, the front portion of the bundle portion 50 </ b> A is located on one end side in the longitudinal direction of the floor cross member 28.

切り離し部５０Ｂは、図２に示すように、束部５０Ａの前部から２本の電線５００２、５００４が車幅方向に別々に切り離され、ダッシュパネル３４の下部の幅方向の両側を通りダッシュパネル３４の前方のエンジンルーム３８に至る。
切り離し部５０Ｂおよび車体空間用配線部５０Ｃにおいて、各電線５００２、５００４は単一の合成樹脂製の蛇腹状のコルゲート管がそれぞれ被せられており、それぞれの電線５００２、５００４が保護されている。
図３に示すように、切り離し部５０Ｂを構成する２本の電線５００２、５００４のうちの一本の電線５００２は、束部５０Ａの前部からフロアパネル３２の前部の車幅方向の一側の下方を通って、ダッシュパネル３４の下部の車幅方向の一側の下方を通るダッシュパネル通過部５０１２を介してダッシュパネル３４の前方のエンジンルーム３８に至っている。
また、切り離し部５０Ｂを構成する２本の電線５００２、５００４のうちの残りの一本の電線５００４は、束部５０Ａの前部からフロアクロスメンバ２８に沿ってその長手方向の他方の端部側に配設されたのち、フロアパネル３２の前部の車幅方向の他側を通って、ダッシュパネル３４の下部の車幅方向の他側の下方を通るダッシュパネル通過部５０１４を介してダッシュパネル３４の前方のエンジンルーム３８に至っている。 As shown in FIG. 2, the separation part 50B has two electric wires 5002 and 5004 separated separately from each other in the vehicle width direction from the front part of the bundle part 50A, and passes through both sides in the width direction below the dash panel 34. 34 to the engine room 38 in front of 34.
In the separating part 50B and the vehicle body space wiring part 50C, each of the electric wires 5002 and 5004 is covered with a single synthetic resin bellows-like corrugated tube, and the respective electric wires 5002 and 5004 are protected.
As shown in FIG. 3, one of the two electric wires 5002 and 5004 constituting the cut-off portion 50B is one side in the vehicle width direction from the front portion of the bundle portion 50A to the front portion of the floor panel 32. The engine room 38 in front of the dash panel 34 is reached through a dash panel passage portion 5012 that passes under one side in the vehicle width direction below the dash panel 34.
The remaining one of the two electric wires 5002 and 5004 constituting the separating portion 50B is connected to the other end side in the longitudinal direction from the front portion of the bundle portion 50A along the floor cross member 28. The dash panel passes through the other side in the vehicle width direction of the front portion of the floor panel 32 and passes through the lower side of the other side in the vehicle width direction of the lower portion of the dash panel 34 through the dash panel passage portion 5014. It reaches the engine room 38 in front of 34.

車体空間用配線部５０Ｃは、エンジンルーム３８の全域において２本の電線５００２、５００４が別々に切り離されて配線されている。
すなわち、車体空間用配線部５０Ｃを構成する２本の電線５００２、５００４のうちのプラス側の電線５００２は、エンジンルーム３８内において各種部材、部品の狭い隙間を通り適宜屈曲されながら配線され、インバータ４４のプラス端子に接続されている。
また、車体空間用配線部５０Ｃを構成する２本の電線５００２、５００４のうちのマイナス側の電線５００４は、エンジンルーム３８の全域において各種部材、部品の狭い隙間を通り適宜屈曲されながら配線され、インバータ４４のマイナス端子に接続されている。 In the vehicle body space wiring portion 50C, the two electric wires 5002 and 5004 are separated and wired throughout the entire engine room 38.
That is, the plus-side electric wire 5002 of the two electric wires 5002 and 5004 constituting the vehicle body space wiring portion 50C is wired while being appropriately bent through a narrow gap between various members and parts in the engine room 38, and the inverter It is connected to 44 positive terminals.
In addition, the negative electric wire 5004 of the two electric wires 5002 and 5004 constituting the vehicle body space wiring portion 50C is wired while being appropriately bent through the narrow gaps of various members and parts throughout the engine room 38, The negative terminal of the inverter 44 is connected.

本実施の形態によれば、太くて硬い高圧電線５０をエンジンルーム３８の後方箇所において別々に切り離し、切り離した２本の電線５００２、５００４をダッシュパネル３４の車幅方向に間隔をおいた箇所を通してエンジンルーム３８内に配設するようにした。
したがって、２本の電線５００２、５００４をダッシュパネル３４の後方からエンジンルーム３８内のインバータ４４まで配設するにあたって、単一の電線を通すための部材、部品間の隙間は、２本の電線からなる束部５０Ａを通すための隙間に比べて小さくて足り、電線の通過場所を簡単に確保でき、エンジンルーム３８内での配線作業を簡単に行なう上で有利となっている。
また、隙間を通すにあたって各電線を曲げる場合も、２本の電線５００２、５００４からなる束部５０Ａを曲げる場合に比べて小さい力で簡単に曲げることができ、また、小さい曲率半径で曲げることができ、エンジンルーム３８内での配線作業を簡単に行なう上で有利となっている。
したがって、電動車で用いられる高圧電線５０をエンジンルーム３８内において簡単に配設でき、電動車の組み立て作業効率を高める上で有利となる。 According to the present embodiment, the thick and hard high-voltage electric wire 50 is separately separated at the rear portion of the engine room 38, and the two separated electric wires 5002 and 5004 are passed through a portion spaced in the vehicle width direction of the dash panel 34. It was arranged in the engine room 38.
Therefore, when arranging the two electric wires 5002 and 5004 from the rear of the dash panel 34 to the inverter 44 in the engine room 38, a member for passing a single electric wire, the gap between the parts is from the two electric wires. The gap is smaller than the gap for passing the bundle portion 50A, and it is easy to secure the passage place of the electric wire, which is advantageous in easily performing the wiring work in the engine room 38.
Also, when each wire is bent when passing through the gap, it can be easily bent with a small force compared to the case where the bundle portion 50A composed of the two wires 5002 and 5004 is bent, and it can be bent with a small radius of curvature. This is advantageous for easily performing the wiring work in the engine room 38.
Therefore, the high-voltage electric wire 50 used in the electric vehicle can be easily arranged in the engine room 38, which is advantageous in increasing the assembly work efficiency of the electric vehicle.

また、切り離し部５０Ｂを構成する２本の電線５００２、５００４を、ダッシュパネル３４の下部の車幅方向の両側の下方を通るダッシュパネル通過部５０１２、５０１４を介してエンジンルーム３８に配設したので、エンジンルーム３８に配置された種々の部材、部品の車幅方向の外側を通って２本の電線５００２、５００４を配設でき、エンジンルーム３８内での配線作業を簡単に行なう上で有利となる。
また、束部５０Ａの前部を、フロアクロスメンバ２８の長手方向の一方の端部側に配置し、切り離し部５０Ｂを構成する一本の電線５００４を、フロアクロスメンバ２８に沿ってその長手方向の他方の端部側に配設しており、フロアクロスメンバ２８を利用して束部５Ａおよび切り離し部５０Ｂを配線しているので、フロアパネル３２下方における束部５０Ａ、切り離し部５０Ｂの配線作業を簡単に行なう上で有利となる。 In addition, since the two electric wires 5002 and 5004 constituting the separating portion 50B are disposed in the engine room 38 via the dash panel passage portions 5012 and 5014 that pass below both sides in the vehicle width direction below the dash panel 34. The two electric wires 5002 and 5004 can be arranged outside the various members and parts arranged in the engine room 38 in the vehicle width direction, which is advantageous in simplifying the wiring work in the engine room 38. Become.
Further, the front portion of the bundle portion 50A is disposed on one end side in the longitudinal direction of the floor cross member 28, and one electric wire 5004 constituting the separating portion 50B is disposed along the floor cross member 28 in the longitudinal direction. Since the bundle portion 5A and the separation portion 50B are wired using the floor cross member 28, wiring work for the bundle portion 50A and the separation portion 50B below the floor panel 32 is provided. This is advantageous for simple execution.

次に、図４を参照して本発明の他の実施の形態について説明する。
なお、図４の配設構造において、この実施の形態では束部５０Ａがなくなるため付する符号が一部異なってくるものの２本の電線５００２、５００４の配線の側面図は図１と同様となり、エンジンルームの斜視図も図３と同様となるため、本実施の形態の側面図と斜視図を省略している。
また、図４において前記実施の形態と同様な箇所、部材には同一の符号を付し、その説明を省略している。
この実施の形態では、束部５０Ａを用いていない点が前記実施の形態と異なっている。
すなわち、高圧電線５０は、後側配線部５０Ｄと、ダッシュパネル通過部５０１２、５０１４と、車体空間用配線部５０Ｃとを有している。
後側配線部５０Ｄでは、走行用バッテリ４６のプラス端子に接続されたプラス側の電線５００２と、マイナス端子に接続されたマイナス側の電線５００４とは、フロアパネル３２の下方で走行用バッテリ４６とフロアクロスメンバ２８との間に車幅方向に間隔をおいて車両の前後方向に延在している。 Next, another embodiment of the present invention will be described with reference to FIG.
In the arrangement structure of FIG. 4, the side view of the wiring of the two electric wires 5002 and 5004 is the same as that of FIG. Since the perspective view of the engine room is the same as that of FIG. 3, the side view and perspective view of this embodiment are omitted.
Also, in FIG. 4, the same parts and members as in the above embodiment are given the same reference numerals, and the description thereof is omitted.
This embodiment is different from the above embodiment in that the bundle portion 50A is not used.
That is, the high voltage electric wire 50 has a rear wiring part 50D, dash panel passage parts 5012 and 5014, and a vehicle body space wiring part 50C.
In the rear wiring portion 50D, the plus-side electric wire 5002 connected to the plus terminal of the traveling battery 46 and the minus-side electric wire 5004 connected to the minus terminal are connected to the running battery 46 below the floor panel 32. The vehicle extends in the front-rear direction of the vehicle with a space in the vehicle width direction between the floor cross member 28 and the vehicle.

後側配線部５０Ｄの前部は、２本の電線５００２、５００４が車幅方向外側にさらに切り離され、ダッシュパネル３４の下部の幅方向の両側を通りダッシュパネル３４の前方のエンジンルーム３８に至る。
より詳細に説明すると、２本の電線５００２、５００４のうちの一本の電線５００２は、後側配線部５０Ｄの前部からフロアパネル３２の前部の車幅方向の一側の下方を通って、ダッシュパネル３４の下部の車幅方向の一側の下方を通るダッシュパネル通過部５０１２を介してダッシュパネル３４の前方のエンジンルーム３８に至っている。
また、切り離し部５０Ｂを構成する２本の電線５００２、５００４のうちの残りの一本の電線５００４は、後側配線部５０Ｄの前部からフロアパネル３２の前部の車幅方向の他側を通って、ダッシュパネル３４の下部の車幅方向の他側の下方を通るダッシュパネル通過部５０１４を介してダッシュパネル３４の前方のエンジンルーム３８に至っている。
車体空間用配線部５０Ｃの構成は前記実施の形態と同様である。
したがってこの実施の形態では、後側配線部５０Ｄ、ダッシュパネル通過部５０１２、５０１４、車体空間用配線部５０Ｃにおいて、各電線５００２、５００４は単一の合成樹脂製の蛇腹状のコルゲート管がそれぞれ被せられており、それぞれの電線５００２、５００４が保護されている。 In the front portion of the rear wiring portion 50D, the two electric wires 5002 and 5004 are further cut outward in the vehicle width direction, pass through both sides in the width direction at the lower portion of the dash panel 34, and reach the engine room 38 in front of the dash panel 34. .
More specifically, one of the two electric wires 5002 and 5004 passes from the front part of the rear wiring part 50D through the lower side on the one side in the vehicle width direction of the front part of the floor panel 32. The engine room 38 in front of the dash panel 34 is reached via a dash panel passage portion 5012 that passes under one side of the dash panel 34 in the vehicle width direction.
Further, the remaining one of the two electric wires 5002 and 5004 constituting the disconnecting portion 50B extends from the front portion of the rear wiring portion 50D to the other side in the vehicle width direction of the front portion of the floor panel 32. It passes through the lower part of the dash panel 34 on the other side in the vehicle width direction to the engine room 38 in front of the dash panel 34 via a dash panel passage 5014 that passes through the lower side.
The configuration of the vehicle body space wiring section 50C is the same as that of the above-described embodiment.
Therefore, in this embodiment, in the rear wiring portion 50D, the dash panel passage portions 5012 and 5014, and the vehicle body space wiring portion 50C, each of the electric wires 5002 and 5004 is covered with a single synthetic resin bellows-like corrugated tube. The electric wires 5002 and 5004 are protected.

このような実施の形態によれば、エンジンルーム３８内での配線作業を簡単に行なう上で有利となることは無論のこと、エンジンルーム３８の後方においても、それぞれ大電流を流すため太くて硬い２本の電線５００２、５００４が切り離されているので、エンジンルームの後方においても高圧電線５０の配線作業を簡単に行なう上で有利となる。   According to such an embodiment, it goes without saying that it is advantageous to easily carry out the wiring work in the engine room 38, and a large current flows in the rear of the engine room 38 because a large current flows in each case. Since the two electric wires 5002 and 5004 are separated from each other, it is advantageous for easily performing the wiring work of the high-voltage electric wire 50 also in the rear of the engine room.

１０……車両、１２……車体、２４……フレーム、２６……サイドメンバ、２８……フロアクロスメンバ、３２……フロアパネル、３４……ダッシュパネル、３８……エンジンルーム、４２……走行用モータ、４４……インバータ、４６……走行用バッテリ、５０……高圧電線、５０Ａ……束部、５０Ｂ……切り離し部、５０Ｃ……車体空間用配線部、５０Ｄ……後側配線部、５００２、５００４……電線、５０１２、５０１４……ダッシュパネル通過部。   10 …… Vehicle, 12 …… Body, 24 …… Frame, 26 …… Side member, 28 …… Floor cross member, 32 …… Floor panel, 34 …… Dash panel, 38 …… Engine room, 42 …… Driving Motor, 44 ... inverter, 46 ... battery for traveling, 50 ... high voltage electric wire, 50A ... bundle part, 50B ... disconnection part, 50C ... wiring part for vehicle body space, 50D ... rear wiring part, 5002, 5004 ... Electric wire, 5012, 5014 ... Dash panel passage.

Claims (6)

プラス側とマイナス側の２本の電線を含む高圧電線をダッシュパネルの外側を通り車両の前後方向に配設する車両における高圧電線の配設構造であって、
前記高圧電線は、前記ダッシュパネルの前方の車体空間の全域において前記２本の電線が別々に切り離されて配線される車体空間用配線部を有している、
ことを特徴とする車両における高圧電線の配設構造。 An arrangement structure of high-voltage electric wires in a vehicle in which high-voltage electric wires including two electric wires on the plus side and the minus side are arranged in the vehicle front-rear direction through the outside of the dash panel,
The high-voltage electric wire has a vehicle body space wiring portion in which the two electric wires are separated and wired in the entire body space in front of the dash panel.
An arrangement structure of high-voltage electric wires in a vehicle characterized by the above. 前記高圧電線は、
前記２本の電線が一体的にまとめられ車室の下部のフロアパネルの下方で前後方向に延在しその前部が前記ダッシュパネルの近傍でダッシュパネルの後方箇所に位置する束部と、
前記束部の前部から前記２本の電線が車幅方向に別々に切り離され前記車体空間に至る切り離し部とを有している、
ことを特徴とする請求項１記載の車両における高圧電線の配設構造。 The high-voltage wire is
A bundle part in which the two electric wires are integrated together and extend in the front-rear direction below the floor panel at the bottom of the passenger compartment, and its front part is located in the vicinity of the dash panel and at the rear part of the dash panel;
The two electric wires are separated from each other in the vehicle width direction from the front part of the bundle part and have a separation part that reaches the vehicle body space.
The arrangement structure of the high voltage electric wire in the vehicle according to claim 1. 前記切り離し部は、前記２本の電線が前記ダッシュパネルの下部の車幅方向の両側箇所でそれぞれ車両の前後方向に延在するダッシュパネル通過部を有している、
ことを特徴とする請求項２記載の車両における高圧電線の配設構造。 The separating portion has a dash panel passage portion in which the two electric wires extend in the vehicle front-rear direction at both side portions in the vehicle width direction at the lower portion of the dash panel,
The arrangement structure of the high voltage electric wire in the vehicle according to claim 2. 前記車両は、車幅方向に間隔をおいて車両の前後方向に延在し前記フロアパネルを支持する一対のサイドメンバと、前記ダッシュパネルの近傍の後方の箇所において車幅方向に延在し前記一対のサイドメンバを連結するフロアクロスメンバとを備え、
前記束部の前部は、前記フロアクロスメンバの長手方向の一方の端部側に位置しており、
前記切り離し部を構成する２本の電線のうちの一本は、前記束部の前部から前記ダッシュパネルの下部の車幅方向の一側を通るダッシュパネル通過部を介して前記ダッシュパネルの前方の車体空間に至り、
前記切り離し部を構成する２本の電線のうちの残りの一本は、前記束部の前部から前記フロアクロスメンバに沿ってその長手方向の他方の端部側に配設されたのち、前記ダッシュパネルの下部の車幅方向の他側を通るダッシュパネル通過部を介して前記ダッシュパネルの前方の車体空間に至る、
ことを特徴とする請求項２記載の車両における高圧電線の配設構造。 The vehicle extends in the vehicle width direction at a rear position near the dash panel and a pair of side members extending in the vehicle front-rear direction and supporting the floor panel at intervals in the vehicle width direction. A floor cross member for connecting a pair of side members;
The front portion of the bundle portion is located on one end side in the longitudinal direction of the floor cross member,
One of the two electric wires constituting the separation part is located in front of the dash panel through a dash panel passage part that passes from the front part of the bundle part to one side in the vehicle width direction of the lower part of the dash panel. To the body space of
The remaining one of the two electric wires constituting the cut-off portion is disposed on the other end side in the longitudinal direction along the floor cross member from the front portion of the bundle portion, To the vehicle body space in front of the dash panel through the dash panel passage portion passing through the other side in the vehicle width direction at the bottom of the dash panel,
The arrangement structure of the high voltage electric wire in the vehicle according to claim 2. 前記高圧電線は、
前記２本の電線が別々に切り離されそれぞれ車室の下部のフロアパネルの下方で前後方向に延在しその前部が前記ダッシュパネルの近傍でダッシュパネルの後方箇所に位置する後側配線部と、
前記２本の電線が前記ダッシュパネルの下部の車幅方向の両側箇所でそれぞれ車両の前後方向に延在するダッシュパネル通過部とを有している、
ことを特徴とする請求項１記載の車両における高圧電線の配設構造。 The high-voltage wire is
A rear wiring portion in which the two electric wires are separated separately and extend in the front-rear direction below the floor panel at the lower part of the passenger compartment, and the front portion thereof is positioned in the rear portion of the dash panel in the vicinity of the dash panel; ,
The two electric wires each have a dash panel passage portion extending in the vehicle front-rear direction at both side portions in the vehicle width direction below the dash panel,
The arrangement structure of the high voltage electric wire in the vehicle according to claim 1. 前記フロアパネルの下方または車両後部の荷室の下方に走行用バッテリが配置され、
前記車体空間に、走行用モータと、前記走行用バッテリから供給される直流を交流に変換して前記走行用モータに電流を供給するインバータが配置され、
前記高圧電線は、前記走行用バッテリの高圧電源を前記インバータに供給するものであり、
前記車体空間用配線部を構成する２本の電線のうちのプラス側の電線は前記インバータのプラス端子に接続され、前記車体空間用配線部を構成する２本の電線のうちのマイナス側の電線は前記インバータのマイナス端子に接続されている、
ことを特徴とする請求項１乃至５に何れか１項記載の車両における高圧電線の配設構造。 A traveling battery is disposed below the floor panel or below the cargo compartment at the rear of the vehicle,
In the vehicle body space, a driving motor and an inverter that converts direct current supplied from the traveling battery into alternating current and supplies current to the traveling motor are disposed,
The high-voltage electric wire supplies a high-voltage power source for the battery for traveling to the inverter,
A positive-side electric wire of the two electric wires constituting the vehicle body space wiring portion is connected to a positive terminal of the inverter, and a negative electric wire of the two electric wires constituting the vehicle body space wiring portion. Is connected to the negative terminal of the inverter,
The arrangement structure of the high voltage electric wire in the vehicle according to any one of claims 1 to 5.
JP2011185526A 2011-08-29 2011-08-29 Arrangement structure of high-voltage cable in vehicle Pending JP2013047029A (en)

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