JP2014058203A - High-voltage cable wiring structure for vehicle - Google Patents

High-voltage cable wiring structure for vehicle Download PDF

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JP2014058203A
JP2014058203A JP2012203733A JP2012203733A JP2014058203A JP 2014058203 A JP2014058203 A JP 2014058203A JP 2012203733 A JP2012203733 A JP 2012203733A JP 2012203733 A JP2012203733 A JP 2012203733A JP 2014058203 A JP2014058203 A JP 2014058203A
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voltage cable
vehicle
fuel tank
high voltage
battery
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JP6094852B2 (en
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Tatsuya Horai
竜哉 寳來
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Suzuki Motor Corp
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Suzuki Motor Corp
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  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a high-voltage cable wiring structure for a vehicle that can connect an electric motor and a battery to each other at a shortest distance by a high-voltage cable without sacrificing the living space in a cabin.SOLUTION: As a wiring structure of a high-voltage cable 9 for a vehicle constituted by arranging an electric motor 2 at a vehicle body front part, arranging a fuel tank 4 and a battery 3 before and behind a vehicle body rear part, connecting the driving motor 2 and battery 3 by the high-voltage cable 9, and arranging the fuel tank 4 below a floor panel 7, a recessed part 4a is formed on an upper surface of the fuel tank 4 and the high-voltage cable 9 is wired between the recessed part 4a and floor panel 7.

Description

本発明は、車両の車体前部に配置された電動モータと車体後部に配置されたバッテリとを接続する高電圧ケーブルの配索構造に関するものである。   The present invention relates to a high-voltage cable routing structure that connects an electric motor disposed at the front of a vehicle body and a battery disposed at the rear of the vehicle body.

例えば、駆動源としてエンジンと電動モータを備えるハイブリッド車においては、エンジンと電動モータは車体前部のエンジンルーム内に配置され、バッテリは車体後部の荷室に配置されることが多く、電動モータとバッテリとは高電圧ケーブルによって電気的に接続されている。   For example, in a hybrid vehicle including an engine and an electric motor as drive sources, the engine and the electric motor are often arranged in the engine room at the front of the vehicle body, and the battery is often arranged in the luggage compartment at the rear of the vehicle body. The battery is electrically connected by a high voltage cable.

ところで、エンジンルームと荷室との間には一般的に燃料タンクが配置されており、高電圧ケーブルと燃料タンクの配置には工夫を要する。尚、車両の床下に配置されて固定ベルトによって車体に固定される燃料タンクは、固定ベルトを締め上げることによってフロアパネルに押し付けられた状態で吊下支持される。   By the way, a fuel tank is generally arranged between the engine room and the cargo room, and some arrangement is required for the arrangement of the high voltage cable and the fuel tank. Note that the fuel tank that is disposed under the floor of the vehicle and fixed to the vehicle body by the fixed belt is suspended and supported while being pressed against the floor panel by tightening the fixed belt.

ここで、ハイブリッド車における高電圧ケーブルの配索構造の従来例を図５及び図６に示す。   Here, the conventional example of the wiring structure of the high voltage cable in a hybrid vehicle is shown in FIG.5 and FIG.6.

即ち、図５及び図６はハイブリッド車における高電圧ケーブルの配索構造の従来例を示す車両の模式的平面図であり、これらの図に示すハイブリッド車１１０においては、駆動源であるエンジン１０１と電動モータ１０２は車体前部のエンジンルームＳ１内に配置され、バッテリ１０３は車両後部の荷室Ｓ３に配置されている。そして、車室Ｓ２の後部床下であって、バッテリ１０３の前方には燃料タンク１０４が配置されており、エンジン１０１から延びる排気管１０５は、エンジンルームＳ１から床下へと引き出され、床下の車幅方向略中央を車両後方に向かって延びた後、燃料タンク１０４を避けて右方に直角に曲げられた後、燃料タンク１０４の右側を車両後方に向かって一直線に延びており、その後端部にはマフラー１０６が接続されている。   5 and 6 are schematic plan views of a vehicle showing a conventional example of a high-voltage cable routing structure in a hybrid vehicle. In the hybrid vehicle 110 shown in these drawings, an engine 101 as a drive source and The electric motor 102 is disposed in the engine room S1 at the front of the vehicle body, and the battery 103 is disposed in the luggage compartment S3 at the rear of the vehicle. A fuel tank 104 is disposed below the rear floor of the vehicle compartment S2 and in front of the battery 103, and an exhaust pipe 105 extending from the engine 101 is drawn out from the engine room S1 to the floor under the vehicle width below the floor. After extending in the center of the direction toward the rear of the vehicle, the fuel tank 104 is bent to the right to avoid the fuel tank 104, and then the right side of the fuel tank 104 extends in a straight line toward the rear of the vehicle. The muffler 106 is connected.

而して、図５に示す例においては、電動モータ１０２とバッテリ１０３とを接続する高電圧ケーブル１０９は、エンジンルームＳ１内の電動モータ１０２から車室Ｓ２の床下へと引き出され、車室Ｓ２の床下の排気管１０５の左側を排気管１０５と平行に車両後方に向かって直線状に延び、燃料タンク１０４を避けて右方に直角に曲げられた後、燃料タンク１０４の右側を排気管１０５と平行に車両後方に向かって直線状に延びている。そして、高電圧ケーブル１０９は、燃料タンク１０４の右側後部において床下から荷室Ｓ３へと引き込まれ、荷室Ｓ３に配置されたバッテリ１０３に接続されている。   Thus, in the example shown in FIG. 5, the high-voltage cable 109 that connects the electric motor 102 and the battery 103 is drawn from the electric motor 102 in the engine room S1 to the floor under the vehicle compartment S2, and the vehicle compartment S2 The left side of the exhaust pipe 105 below the floor of the vehicle extends straight in parallel with the exhaust pipe 105 toward the rear of the vehicle and is bent to the right by avoiding the fuel tank 104 and then the right side of the fuel tank 104 is connected to the exhaust pipe 105. It extends in a straight line toward the rear of the vehicle in parallel. The high voltage cable 109 is drawn into the cargo compartment S3 from under the floor at the right rear portion of the fuel tank 104, and is connected to the battery 103 disposed in the cargo compartment S3.

又、図６に示す例においては、高電圧ケーブル１０９は、エンジンルームＳ１内の電動モータ１０２から車室Ｓ２の床下へと引き出され、車室Ｓ２の床下を車両後方に向かって一直線に延び、燃料タンク１０４の前方において床下から車室Ｓ２内へと引き込まれ、車室Ｓ２内を車両後方に向かって直線的に延び、荷室Ｓ３に配置されたバッテリ１０３に接続されている。尚、このような高電圧ケーブルの配索構造は特許文献１においても提案されている。   In the example shown in FIG. 6, the high voltage cable 109 is drawn from the electric motor 102 in the engine room S1 to the floor under the vehicle compartment S2, and extends in a straight line under the floor of the vehicle compartment S2 toward the rear of the vehicle. In front of the fuel tank 104, it is drawn into the vehicle compartment S2 from under the floor, linearly extends in the vehicle compartment S2 toward the rear of the vehicle, and is connected to the battery 103 disposed in the cargo compartment S3. Such a high-voltage cable routing structure is also proposed in Patent Document 1.

特開２０１１−０６８１８７号公報JP 2011-068187 A

しかしながら、図５に示す例においては、電動モータ１０２から車両後方に向かって直線的に延びる高電圧ケーブル１０９を燃料タンク１０４を避けて直角に曲げ、燃料タンク１０４の横に高電圧ケーブル１０９を通すよう構成されているため、高電圧ケーブル１０９の長さが長くなるという問題がある。又、高電圧ケーブル１０９と排気管１０５が燃料タンク１０４の横の同じ側（図示例では右側）に配索されているため、該高電圧ケーブル１０９が排気管１０５から熱的影響を受けないような熱対策が必要になるという問題もある。この問題を回避するために高電圧ケーブル１０９と排気管１０５を燃料タンク１０４を間に挟んで左右反対側に配索する場合には、燃料タンク１０４の容量が犠牲になるという問題が発生する。   However, in the example shown in FIG. 5, the high voltage cable 109 extending linearly from the electric motor 102 toward the rear of the vehicle is bent at a right angle while avoiding the fuel tank 104, and the high voltage cable 109 is passed beside the fuel tank 104. Therefore, there is a problem that the length of the high voltage cable 109 becomes long. Further, since the high voltage cable 109 and the exhaust pipe 105 are routed on the same side (right side in the illustrated example) next to the fuel tank 104, the high voltage cable 109 is not affected by the thermal influence from the exhaust pipe 105. There is also a problem that it is necessary to take measures against heat. In order to avoid this problem, when the high voltage cable 109 and the exhaust pipe 105 are routed on the left and right sides with the fuel tank 104 interposed therebetween, there arises a problem that the capacity of the fuel tank 104 is sacrificed.

図６に示す例においては、高電圧ケーブル１０９の一部が車室Ｓ２内を通るために車室Ｓ２の居住空間が減少するという問題がある。又、車室Ｓ２内において高電圧ケーブル１０９をリヤシートとリヤフロアとの間に配索する必要があるため、リヤシートの設計が煩雑化するとともに、リヤシートの設計自由度が制限され、シート形式の選択肢が減る他、リヤフロア上をフラットにすることができないという問題もある。   In the example shown in FIG. 6, there is a problem that a part of the high-voltage cable 109 passes through the passenger compartment S2, so that the living space of the passenger compartment S2 is reduced. In addition, since it is necessary to route the high voltage cable 109 between the rear seat and the rear floor in the passenger compartment S2, the design of the rear seat is complicated, the degree of freedom in designing the rear seat is limited, and the seat format options are limited. Besides the reduction, there is a problem that the rear floor cannot be flattened.

本発明は上記問題に鑑みてなされたもので、その目的とする処は、車室の居住空間を犠牲にすることなく、電動モータとバッテリとを高電圧ケーブルによって最短距離で接続することができる車両の高電圧ケーブル配索構造を提供することにある。   The present invention has been made in view of the above problems, and an object of the present invention is that the electric motor and the battery can be connected with the shortest distance by a high voltage cable without sacrificing the living space of the passenger compartment. An object of the present invention is to provide a high-voltage cable wiring structure for a vehicle.

上記目的を達成するため、請求項１記載の発明は、車体前部に駆動用の電動モータを配置し、車体後部の前後に燃料タンクとバッテリを配置し、前記電動モータと前記バッテリとを高電圧ケーブルによって接続するとともに、前記燃料タンクをフロアパネルの下方に配置して成る車両の前記高電圧ケーブルの配索構造であって、前記燃料タンクの上面に凹部を形成し、該凹部と前記フロアパネルとの間に前記高電圧ケーブルを配索したことを特徴とする。   In order to achieve the above object, according to the first aspect of the present invention, an electric motor for driving is arranged at the front of the vehicle body, a fuel tank and a battery are arranged before and after the rear of the vehicle body, and the electric motor and the battery are made high. A wiring structure for a high-voltage cable for a vehicle which is connected by a voltage cable and has the fuel tank disposed below a floor panel, wherein a recess is formed on the upper surface of the fuel tank, and the recess and the floor The high voltage cable is routed between the panel and the panel.

請求項２記載の発明は、請求項１記載の発明において、車体前部のエンジンルームに配置された前記電動モータから延びる前記高電圧ケーブルを前記エンジンルームから車室の床下へと通して床下を車両後方へと一直線に延ばした後、車体後部の荷室へと引き込み、荷室に配置された前記バッテリに接続したことを特徴とする。   According to a second aspect of the present invention, in the first aspect of the present invention, the high voltage cable extending from the electric motor disposed in the engine room at the front of the vehicle body is passed from the engine room to the under floor of the passenger compartment to pass under the floor. After extending in a straight line toward the rear of the vehicle, the vehicle is drawn into the cargo compartment at the rear of the vehicle body and connected to the battery disposed in the cargo compartment.

請求項３記載の発明は、請求項１又は２記載の発明において、前記燃料タンクを固定ベルトによって車体に固定するとともに、前記固定ベルトを平面視で前記高電圧ケーブルと交差するよう配置したことを特徴とする。   According to a third aspect of the invention, in the first or second aspect of the invention, the fuel tank is fixed to the vehicle body by a fixing belt, and the fixing belt is arranged so as to intersect the high voltage cable in a plan view. Features.

請求項４記載の発明は、請求項３記載の発明において、前記燃料タンクの凹部の両側であって、平面視で前記固定ベルトと重なる位置に、前記燃料タンクの前記フロアパネルへの当て面を配置したことを特徴とする。   According to a fourth aspect of the present invention, in the third aspect of the present invention, the contact surface of the fuel tank against the floor panel is located on both sides of the concave portion of the fuel tank and at a position overlapping the fixing belt in plan view. It is arranged.

請求項１記載の発明によれば、電動モータから高電圧ケーブルを車室内を通すことなく車室の床下と荷室内をバッテリまで一直線に配索することができるため、車室の居住空間を犠牲にすることなく、電動モータとバッテリとを高電圧ケーブルによって最短距離で接続することができる。又、高電圧ケーブルを燃料タンク上面の凹部を通すことによって該高電圧ケーブルを排気管から離して配索することができ、高電圧ケーブルを排気管からの熱的影響から保護するための熱対策が不要となる。   According to the first aspect of the present invention, since the high-voltage cable from the electric motor can be routed straight to the battery without passing through the vehicle interior, the vehicle interior space is sacrificed. The electric motor and the battery can be connected at the shortest distance by the high voltage cable. In addition, the high voltage cable can be routed away from the exhaust pipe by passing the high voltage cable through the recess on the upper surface of the fuel tank, and the high voltage cable is protected against thermal influence from the exhaust pipe. Is no longer necessary.

請求項２記載の発明によれば、電動モータから延びる高電圧ケーブルをエンジンルームから車室の床下へと通して床下を車両後方へと一直線に延ばした後、車体後部の荷室へと引き込み、荷室に配置されたバッテリに接続することによって、高電圧ケーブルが車室を通過することがないため、車室の居住空間が高電圧ケーブルによって制限されることがなく、広い居住空間を確保することができる。又、車室のフロア上に高電圧ケーブルを配索しないため、フロアの上面をフラットにすることができ、リヤシートの設計自由度が増え、シート形式の選択肢が増える。   According to the invention described in claim 2, after the high voltage cable extending from the electric motor is passed from the engine room to the under floor of the vehicle compartment and extending under the floor in a straight line to the rear of the vehicle, the high voltage cable is drawn into the cargo compartment at the rear of the vehicle body, By connecting to the battery placed in the luggage compartment, the high-voltage cable does not pass through the passenger compartment, so the living space in the passenger compartment is not restricted by the high-voltage cable, ensuring a large living space be able to. Further, since the high voltage cable is not routed on the floor of the passenger compartment, the upper surface of the floor can be flattened, the degree of freedom in designing the rear seat is increased, and the choice of seat format is increased.

請求項３及び４記載の発明によれば、燃料タンクを固定ベルトによってフロアパネルに固定するとともに、固定ベルトを平面視で高電圧ケーブルと交差するよう配置するとともに、燃料タンクの凹部両側の平面視で固定ベルトと重なる位置に、燃料タンクのフロアパネルへの当て面を配置したため、車両走行時の振動による高電圧ケーブルの左右における燃料タンクの上下の撓みや燃料タンクの移動量を抑制することができ、高電圧ケーブルと燃料タンクとの干渉を防ぎつつ、高電圧ケーブルと燃料タンクの隙間を最小限とすることができ、燃料タンクの容量を確保することができる。   According to the third and fourth aspects of the invention, the fuel tank is fixed to the floor panel by the fixing belt, and the fixing belt is arranged so as to intersect the high voltage cable in a plan view, and the plan view on both sides of the recess of the fuel tank. Since the contact surface to the floor panel of the fuel tank is arranged at the position that overlaps with the fixed belt, it suppresses the vertical deflection of the fuel tank on the left and right of the high voltage cable and the movement amount of the fuel tank due to vibration during vehicle travel The gap between the high voltage cable and the fuel tank can be minimized while preventing the interference between the high voltage cable and the fuel tank, and the capacity of the fuel tank can be ensured.

ハイブリッド車における高電圧ケーブルの本発明に係る配索構造を示す車両の模式的平面図である。1 is a schematic plan view of a vehicle showing a routing structure according to the present invention of a high voltage cable in a hybrid vehicle. 図１のＡ−Ａ線断面図である。It is the sectional view on the AA line of FIG. 図２のＢ−Ｂ線断面図である。FIG. 3 is a sectional view taken along line B-B in FIG. 2. ハイブリッド車の燃料タンク部分の斜視図である。It is a perspective view of the fuel tank part of a hybrid vehicle. ハイブリッド車における高電圧ケーブルの配索構造の従来例を示す車両の模式的平面図である。It is a schematic plan view of a vehicle showing a conventional example of a high voltage cable routing structure in a hybrid vehicle. ハイブリッド車における高電圧ケーブルの配索構造の従来例を示す車両の模式的平面図である。It is a schematic plan view of a vehicle showing a conventional example of a high voltage cable routing structure in a hybrid vehicle.

以下に本発明の実施の形態を添付図面に基づいて説明する。   Embodiments of the present invention will be described below with reference to the accompanying drawings.

図１はハイブリッド車における高電圧ケーブルの本発明に係る配索構造を示す車両の模式的平面図、図２は図１のＡ−Ａ線断面図、図３は図２のＢ−Ｂ線断面図、図４はハイブリッド車の燃料タンク部分の斜視図である。   1 is a schematic plan view of a vehicle showing a wiring structure according to the present invention of a high voltage cable in a hybrid vehicle, FIG. 2 is a cross-sectional view taken along line AA in FIG. 1, and FIG. 3 is a cross-sectional view taken along line BB in FIG. 4 and 4 are perspective views of the fuel tank portion of the hybrid vehicle.

図１に示すハイブリッド車１０においては、駆動源であるエンジン１と電動モータ２は車体前部のエンジンルームＳ１内に配置され、バッテリ３は車体後部の荷室Ｓ３内に配置されている。そして、車室Ｓ２の後部床下であって、車両の前後方向でバッテリ３の前方側には燃料タンク４が横向きに配置されており（実際には、バッテリ３はフロアパネル７の上方の荷室Ｓ３内に配置され、燃料タンク４はフロアパネル７の下方に配置されているやめ、バッテリ３の方が上方の配置となるように車両の上下方向で異なる位置に配置されている。）、エンジン１から延びる排気管５は、エンジンルームＳ１から床下へと引き出され、床下の車幅方向略中央を車両後方に向かって延びた後、燃料タンク４の前方で該燃料タンク４を避けて右方に直角に曲げられた後、燃料タンク４の右側を車両後方に向かって一直線に延びており、その後端部にはマフラー６が接続されている。   In the hybrid vehicle 10 shown in FIG. 1, the engine 1 and the electric motor 2 that are driving sources are disposed in the engine room S1 at the front of the vehicle body, and the battery 3 is disposed in the luggage compartment S3 at the rear of the vehicle body. A fuel tank 4 is disposed laterally below the rear floor of the vehicle compartment S2 and in front of the battery 3 in the front-rear direction of the vehicle (actually, the battery 3 is located in the cargo compartment above the floor panel 7). The fuel tank 4 is disposed in the lower side of the floor panel 7 and is disposed in a different position in the vertical direction of the vehicle so that the battery 3 is disposed in the upper position. The exhaust pipe 5 extending from 1 is pulled out from the engine room S1 to the bottom of the floor, extends approximately in the center of the vehicle width direction below the floor toward the rear of the vehicle, and then to the right of the fuel tank 4 in front of the fuel tank 4 The right side of the fuel tank 4 extends in a straight line toward the rear of the vehicle, and a muffler 6 is connected to the rear end thereof.

ところで、本実施の形態においては、図２〜図４に示すように、燃料タンク４の上面左側（排気管５と反対側）には車両前後方向に貫通する凹部４ａが切り通し状態に形成されており、図２に示すように、燃料タンク４は、車室Ｓ２のフロアパネル７によって床下に形成された凹状の空間に配置され、燃料タンク４の車両前後位置に両端が締め付け固定される金属製の２本の固定ベルト８によって車体に固定されている。即ち、燃料タンク４は、２本の固定ベルト８を締め上げることによってフロアパネル７に押し付けられ、固定ベルト８とフロアパネル７との間に挟持された状態で車体に吊下支持されている。   By the way, in the present embodiment, as shown in FIGS. 2 to 4, a recess 4 a penetrating in the vehicle front-rear direction is formed in the upper left side of the fuel tank 4 (on the side opposite to the exhaust pipe 5). As shown in FIG. 2, the fuel tank 4 is disposed in a concave space formed under the floor by the floor panel 7 of the passenger compartment S2, and is made of metal whose both ends are fastened and fixed to the vehicle front-rear position of the fuel tank 4. These two fixing belts 8 are fixed to the vehicle body. That is, the fuel tank 4 is pressed against the floor panel 7 by tightening the two fixing belts 8 and is suspended and supported by the vehicle body while being sandwiched between the fixing belt 8 and the floor panel 7.

而して、本実施の形態においては、電動モータ２とバッテリ３とは高電圧ケーブル９によって電気的に接続されているが、図１に示すように、高圧ケーブル９は、エンジンルームＳ１内の電動モータ２から車室Ｓ２の床下へと引き出され、車室Ｓ２の床下の排気管５の左側（電動モータ２とエンジン１の配置関係における電動モータ２が配置される側）を車両後方に向かって真っ直ぐ延びており、その一部は図２に示すように燃料タンク４の上面に形成された凹部４ａとフロアパネル７との間の空間内に配置され、該空間を貫通している。そして、燃料タンク４の上方を車両前後方向に通過した高電圧ケーブル９は、燃料タンク４の後方においてフロアパネル７に形成された孔から荷室Ｓ３へと引き込まれ、その端部が荷室Ｓ３に配置されたバッテリ３に接続されている。   Thus, in the present embodiment, the electric motor 2 and the battery 3 are electrically connected by the high voltage cable 9, but as shown in FIG. 1, the high voltage cable 9 is connected to the engine room S1. It is pulled out from the electric motor 2 to the under floor of the passenger compartment S2, and the left side of the exhaust pipe 5 under the floor of the passenger compartment S2 (the side where the electric motor 2 in the arrangement relationship between the electric motor 2 and the engine 1 is arranged) faces the rear of the vehicle. As shown in FIG. 2, a part thereof is disposed in a space between the recess 4a formed on the upper surface of the fuel tank 4 and the floor panel 7, and penetrates the space. The high voltage cable 9 that has passed over the fuel tank 4 in the vehicle front-rear direction is drawn into the cargo compartment S3 from a hole formed in the floor panel 7 at the rear of the fuel tank 4, and its end is the cargo compartment S3. Is connected to the battery 3 disposed in the.

ここで、燃料タンク４を固定する２本の前記固定ベルト８は、平面視において、前端の車体への固定部が後端の車体への固定部よりも車両の左右方向で車両の側方側に位置するように、更には、車両の左右方向で凹部４ａの両側に配置固定されており、正面視では図２に示すように上方に向かって逆ハの字状に開くよう斜めに配置されている。詳細には、平面視では図３に示すように（図３には左側の固定ベルト８のみ図示）高電圧ケーブル９と交差するよう車両後方（図３の上方）に向かってハの字状に斜めに配置されている。つまり、高電圧ケーブル９は、車両の左右方向で左側の固定ベルト８の前端の固定部（車体への固定部）と左側の固定ベルト８の後端の固定部（車体への固定部）との間に配索されている。そして、本実施の形態においては、図３及び図４に示すように、燃料タンク４の凹部４ａの両側であって、且つ、平面視で固定ベルト８と重なる位置（図示のａ，ｂ位置）に、該燃料タンク４のフロアパネル７への当て面を配置している。   Here, the two fixing belts 8 for fixing the fuel tank 4 are arranged such that, when seen in a plan view, the fixing portion to the vehicle body at the front end is in the lateral direction of the vehicle in the left-right direction of the vehicle relative to the fixing portion to the vehicle body at the rear end. In addition, it is arranged and fixed on both sides of the recess 4a in the left-right direction of the vehicle so as to be located in the left and right directions, and is obliquely arranged so as to open upward in a reverse C shape as shown in FIG. ing. Specifically, in plan view, as shown in FIG. 3 (only the left side fixing belt 8 is shown in FIG. 3), it has a square shape toward the rear of the vehicle (upward in FIG. 3) so as to intersect the high voltage cable 9. It is arranged diagonally. That is, the high voltage cable 9 includes a front fixed portion (fixed to the vehicle body) of the left fixed belt 8 and a fixed portion (fixed to the vehicle body) at the rear end of the left fixed belt 8 in the left-right direction of the vehicle. It is routed between. In the present embodiment, as shown in FIGS. 3 and 4, positions that are on both sides of the recess 4 a of the fuel tank 4 and overlap the fixed belt 8 in plan view (positions a and b in the drawing). Further, a contact surface of the fuel tank 4 to the floor panel 7 is arranged.

以上のように、本実施の形態においては、電動モータ２から延びる高電圧ケーブル９をエンジンルームＳ１から車室Ｓ２の床下へと通して床下を車両後方へと一直線に延ばした後、車体後部の荷室Ｓ３へと引き込み、荷室Ｓ３内に配置されたバッテリ３に接続するようにしたため、電動モータ２から車室Ｓ２内を通すことなく車室Ｓ２の床下と荷室Ｓ３内のバッテリまで高電圧ケーブル９を一直線に配索することができ、車室Ｓ２の居住空間を犠牲にすることなく、電動モータ２とバッテリ３とを高電圧ケーブル９によって最短距離で接続することができる。   As described above, in the present embodiment, after the high voltage cable 9 extending from the electric motor 2 is passed from the engine room S1 to the under floor of the passenger compartment S2 to extend the under floor in a straight line to the rear of the vehicle, Since it is drawn into the luggage compartment S3 and connected to the battery 3 disposed in the luggage compartment S3, the electric motor 2 can be connected to the floor in the compartment S2 and the battery in the cargo compartment S3 without passing through the compartment S2. The voltage cable 9 can be wired in a straight line, and the electric motor 2 and the battery 3 can be connected by the shortest distance by the high voltage cable 9 without sacrificing the living space of the passenger compartment S2.

又、車室Ｓ２内となるフロア上に高電圧ケーブル９を配索しないため、フロアの上面をフラットにすることができて室内の居住性が向上し、リヤシートの設計自由度が増え、シート形式の選択肢が増えるという効果も得られる。   Further, since the high voltage cable 9 is not routed on the floor in the passenger compartment S2, the upper surface of the floor can be flattened to improve the comfort in the room, increasing the degree of freedom in designing the rear seat, and the seat format The effect of increasing the number of options is also obtained.

更に、本実施の形態では、高電圧ケーブル９を燃料タンク４上面の凹部４ａ内に配置し、凹部４ａ内を通すことによって該高電圧ケーブル９を排気管５から離して配索することができるため、高電圧ケーブル９を排気管５からの熱的影響から保護するための熱対策が不要となる。又、当該部位の高電圧ケーブル９を燃料タンク４によって保護することができる。   Furthermore, in the present embodiment, the high voltage cable 9 is arranged in the recess 4a on the upper surface of the fuel tank 4, and the high voltage cable 9 can be routed away from the exhaust pipe 5 by passing through the recess 4a. Therefore, a heat countermeasure for protecting the high voltage cable 9 from the thermal influence from the exhaust pipe 5 becomes unnecessary. Further, the high voltage cable 9 in the part can be protected by the fuel tank 4.

そして、本実施の形態では、燃料タンク４を固定ベルト８によって車体に固定するとともに、固定ベルト８を平面視で高電圧ケーブル９と交差するよう配置とすることや、燃料タンク４の凹部４ａ両側の平面視で固定ベルト８と重なる位置に、燃料タンク４のフロアパネル７への当て面を配置したため、車両走行時の振動による高電圧ケーブル９の左右における燃料タンクの４上下の撓みや左右の移動量を抑制することができ、高電圧ケーブル９と燃料タンク４との干渉を防ぐことができる。   In the present embodiment, the fuel tank 4 is fixed to the vehicle body by the fixing belt 8, and the fixing belt 8 is arranged so as to intersect the high voltage cable 9 in a plan view, or both sides of the recess 4 a of the fuel tank 4. Since the contact surface to the floor panel 7 of the fuel tank 4 is arranged at a position overlapping with the fixing belt 8 in a plan view of FIG. The amount of movement can be suppressed, and interference between the high voltage cable 9 and the fuel tank 4 can be prevented.

尚、以上は本発明をエンジンと電動モータと備えるハイブリッド車の高電圧ケーブル配索構造に対して適用した形態について説明したが、本発明は、電気自動車や燃料電池車等における高電圧ケーブルの配索構造に対しても同様に適用可能であることは勿論である。   Although the present invention has been described with respect to a configuration in which the present invention is applied to a high-voltage cable routing structure of a hybrid vehicle including an engine and an electric motor, the present invention is not limited to the arrangement of a high-voltage cable in an electric vehicle, a fuel cell vehicle, or the like. Of course, the present invention can be similarly applied to the cable structure.

１ エンジン
２ 電動モータ
３ バッテリ
４ 燃料タンク
４ａ 燃料タンクの凹部
５ 排気管
７ フロアパネル
８ 固定ベルト
９ 高電圧ケーブル
１０ ハイブリッド車（車両）
Ｓ１ エンジンルーム
Ｓ２ 車室
Ｓ３ 荷室
DESCRIPTION OF SYMBOLS 1 Engine 2 Electric motor 3 Battery 4 Fuel tank 4a Recessed part of fuel tank 5 Exhaust pipe 7 Floor panel 8 Fixed belt 9 High voltage cable 10 Hybrid vehicle (vehicle)
S1 Engine room S2 Car compartment S3 Cargo compartment

Claims (4)

車体前部に電動モータを配置し、車体後部の前後に燃料タンクとバッテリを配置し、前記駆動モータと前記バッテリとを高電圧ケーブルによって接続するとともに、前記燃料タンクをフロアパネルの下方に配置して成る車両の前記高電圧ケーブルの配索構造であって、
前記燃料タンクの上面に凹部を形成し、該凹部と前記フロアパネルとの間に前記高電圧ケーブルを配索したことを特徴とする車両の高電圧ケーブル配索構造。 An electric motor is disposed at the front of the vehicle body, a fuel tank and a battery are disposed before and after the rear of the vehicle body, the drive motor and the battery are connected by a high voltage cable, and the fuel tank is disposed below the floor panel. A wiring structure for the high-voltage cable of the vehicle,
A high voltage cable routing structure for a vehicle, wherein a concave portion is formed on an upper surface of the fuel tank, and the high voltage cable is routed between the concave portion and the floor panel. 車体前部のエンジンルームに配置された前記電動モータから延びる前記高電圧ケーブルを前記エンジンルームから車室の床下へと通して床下を車両後方へと一直線に延ばした後、車体後部の荷室へと引き込み、荷室に配置された前記バッテリに接続したことを特徴とする請求項１記載の車両の高電圧ケーブル配索構造。   The high voltage cable extending from the electric motor arranged in the engine room at the front of the vehicle body is passed from the engine room to the under floor of the passenger compartment, and the under floor is straightly extended to the rear of the vehicle, and then to the cargo compartment at the rear of the vehicle body. The high-voltage cable routing structure for a vehicle according to claim 1, wherein the high-voltage cable routing structure for a vehicle according to claim 1 is connected to the battery disposed in the cargo compartment. 前記燃料タンクを固定ベルトによって車体に固定するとともに、前記固定ベルトを平面視で前記高電圧ケーブルと交差するよう配置したことを特徴とする請求項１又は２記載の車両の高電圧ケーブル配索構造。   3. The high-voltage cable routing structure for a vehicle according to claim 1, wherein the fuel tank is fixed to the vehicle body by a fixing belt, and the fixing belt is arranged so as to intersect the high-voltage cable in a plan view. . 前記燃料タンクの凹部の両側であって、平面視で前記固定ベルトと重なる位置に、前記燃料タンクの前記フロアパネルへの当て面を配置したことを特徴とする請求項３記載の車両の高電圧ケーブル配索構造。
4. The high voltage of a vehicle according to claim 3, wherein a contact surface of the fuel tank against the floor panel is disposed on both sides of the concave portion of the fuel tank at a position overlapping the fixing belt in plan view. Cable routing structure.
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