JP2021016237A - Harness connection structure for motor generator - Google Patents

Harness connection structure for motor generator Download PDF

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JP2021016237A
JP2021016237A JP2019129243A JP2019129243A JP2021016237A JP 2021016237 A JP2021016237 A JP 2021016237A JP 2019129243 A JP2019129243 A JP 2019129243A JP 2019129243 A JP2019129243 A JP 2019129243A JP 2021016237 A JP2021016237 A JP 2021016237A
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harness
terminal shaft
motor generator
connector
terminal
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JP7346954B2 (en
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佳樹 薬丸
Yoshiki Yakumaru
佳樹 薬丸
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Suzuki Motor Corp
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Suzuki Motor Corp
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
    • H02K5/225—Terminal boxes or connection arrangements

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  • Power Engineering (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

To improve the routing capability of a harness for a motor generator.SOLUTION: A first terminal shaft 3 and a second terminal shaft 4 are arranged side by side in a motor generator unit 1 attached to an engine unit 100. A first harness 5 is connected to the first terminal shaft 3, and a second harness 6 is connected to the second terminal shaft 4. A first connector 7 for connection to the first terminal shaft 3 is provided on an end of the first harness 5, and a second connector 8 for connection to the second terminal shaft 4 is provided on an end of the second harness 6. The first connector 7 and the second connector 8 are arranged respectively on the rear side and the front side of a virtual plane P that includes the axis of the first terminal shaft 3 and the axis of the second terminal shaft 4. Further, a plate-like first connection portion 9 of the first connector 7 is extended forward from the rear side, and a plate-like first connection portion 14 of the second connector 8 is extended rearward from the front side.SELECTED DRAWING: Figure 4

Description

本発明は、エンジンユニットに取り付けられたモータジェネレータのハーネス接続構造に関する。 The present invention relates to a harness connection structure of a motor generator attached to an engine unit.

近年、燃費や環境への配慮から、電気自動車やハイブリッド自動車が注目されている。ハイブリッド車両では、エンジンユニットにモータジェネレータ（電動発電機とも呼ばれる）が取り付けられる。モータジェネレータは、例えば加速時にエンジンユニットをアシストする電動機として機能し、減速時に減速エネルギを利用して発電する発電機として機能する。
この種の技術に関して、特許文献１には、パワーユニットに対する電動発電機の支持構造が開示されている。 In recent years, electric vehicles and hybrid vehicles have been attracting attention because of consideration for fuel efficiency and the environment. In a hybrid vehicle, a motor generator (also called a motor generator) is attached to the engine unit. The motor generator functions as, for example, an electric motor that assists the engine unit during acceleration, and functions as a generator that uses deceleration energy to generate electricity during deceleration.
Regarding this type of technology, Patent Document 1 discloses a support structure of a motor generator for a power unit.

特開２０１１−７８２５８号公報Japanese Unexamined Patent Publication No. 2011-78258

モータジェネレータは、ワイヤハーネス（本願において単にハーネスと称する）を介してバッテリに接続する。
ここで、モータジェネレータに２つの端子軸があり、これら２つの端子軸がモータジェネレータの軸方向に並んで配置されることがある。一方、２つの端子軸にそれぞれハーネスを接続する場合に、これら２本のハーネスを相互に略平行にモータジェネレータの軸方向に沿って延びるように配置することが多い。
このように２つの端子軸が並ぶ方向と２本のハーネスが延びる方向とが一致する状況では、各ハーネスを各端子軸に接続するときにハーネスを曲げる必要が生じ、ハーネスの配索性が低下する。 The motor generator is connected to the battery via a wire harness (simply referred to as a harness in the present application).
Here, the motor generator has two terminal shafts, and these two terminal shafts may be arranged side by side in the axial direction of the motor generator. On the other hand, when the harnesses are connected to the two terminal shafts, the two harnesses are often arranged so as to extend substantially parallel to each other along the axial direction of the motor generator.
In such a situation where the direction in which the two terminal shafts are lined up and the direction in which the two harnesses extend coincide with each other, it becomes necessary to bend the harness when connecting each harness to each terminal shaft, and the wiring property of the harness deteriorates. ..

本発明はかかる実情に鑑みてなされたものであり、モータジェネレータのハーネスの配索性を向上させることを目的とする。 The present invention has been made in view of such circumstances, and an object of the present invention is to improve the wiring property of a harness of a motor generator.

本発明のモータジェネレータのハーネス接続構造は、エンジンユニットに取り付けられたモータジェネレータに第１の端子軸及び第２の端子軸が並んで配置され、前記第１の端子軸及び前記第２の端子軸にそれぞれハーネスを接続するモータジェネレータのハーネス接続構造であって、第１のハーネスと、第２のハーネスと、前記第１のハーネスの端部に設けられた、前記第１の端子軸に接続するための第１のコネクタと、前記第２のハーネスの端部に設けられた、前記第２の端子軸に接続するための第２のコネクタとを備え、前記第１の端子軸及び前記第２の端子軸が並ぶ方向と前記第１のハーネス及び前記第２のハーネスが延びる方向とが一致しており、前記第１の端子軸の軸心と前記第２の端子軸の軸心を含む仮想平面を挟んで一方の側に前記第１のコネクタが配置され、他方の側に前記第２のコネクタが配置され、前記第１のコネクタは、前記第１の端子軸を挿通させる穴が形成された板状の第１の接続部を有し、前記第１の接続部が前記一方の側から前記他方の側に向かって延出し、前記第２のコネクタは、前記第２の端子軸を挿通させる穴が形成された板状の第２の接続部を有し、前記第２の接続部が前記他方の側から前記一方の側に向かって延出することを特徴とする。 In the harness connection structure of the motor generator of the present invention, the first terminal shaft and the second terminal shaft are arranged side by side on the motor generator attached to the engine unit, and the first terminal shaft and the second terminal shaft are arranged side by side. It is a harness connection structure of the motor generator which connects the harnesses to the first harness, and connects to the first harness, the second harness, and the first terminal shaft provided at the end of the first harness. The first connector for connecting to the second terminal shaft and the second connector provided at the end of the second harness for connecting to the second terminal shaft are provided. The direction in which the terminal shafts are lined up coincides with the direction in which the first harness and the second harness extend, and the virtual center including the axis of the first terminal shaft and the axis of the second terminal shaft is included. The first connector is arranged on one side of the plane, the second connector is arranged on the other side, and the first connector is formed with a hole through which the first terminal shaft is inserted. It has a plate-shaped first connecting portion, the first connecting portion extends from the one side toward the other side, and the second connector inserts the second terminal shaft. It has a plate-shaped second connecting portion in which a hole to be formed is formed, and the second connecting portion extends from the other side toward the one side.

本発明によれば、モータジェネレータのハーネスの配索性を向上させることができる。 According to the present invention, it is possible to improve the wiring property of the harness of the motor generator.

本発明を適用可能なエンジンユニットの例を示す右側面図である。It is a right side view which shows the example of the engine unit to which this invention is applied. 本発明を適用可能なエンジンユニットの例を示す上面図である。It is a top view which shows the example of the engine unit to which this invention is applied. モータジェネレータユニットを示す正面図である。It is a front view which shows the motor generator unit. 端子軸の軸方向から見たモータジェネレータユニットを示す図である。It is a figure which shows the motor generator unit seen from the axial direction of a terminal shaft. 第１の端子軸及び第２の端子軸の周辺構造を示す図である。It is a figure which shows the peripheral structure of the 1st terminal shaft and the 2nd terminal shaft. 第１の端子軸及び第２の端子軸の周辺構造を示す図である。It is a figure which shows the peripheral structure of the 1st terminal shaft and the 2nd terminal shaft. 第１の端子軸及び第２の端子軸の周辺構造を示す図である。It is a figure which shows the peripheral structure of the 1st terminal shaft and the 2nd terminal shaft.

本発明の一実施形態に係るモータジェネレータのハーネス接続構造は、エンジンユニットに取り付けられたモータジェネレータに第１の端子軸及び第２の端子軸が並んで配置され、前記第１の端子軸及び前記第２の端子軸にそれぞれハーネスを接続するモータジェネレータのハーネス接続構造であって、第１のハーネスと、第２のハーネスと、前記第１のハーネスの端部に設けられた、前記第１の端子軸に接続するための第１のコネクタと、前記第２のハーネスの端部に設けられた、前記第２の端子軸に接続するための第２のコネクタとを備え、前記第１の端子軸及び前記第２の端子軸が並ぶ方向と前記第１のハーネス及び前記第２のハーネスが延びる方向とが一致しており、前記第１の端子軸の軸心と前記第２の端子軸の軸心を含む仮想平面を挟んで一方の側に前記第１のコネクタが配置され、他方の側に前記第２のコネクタが配置され、前記第１のコネクタは、前記第１の端子軸を挿通させる穴が形成された板状の第１の接続部を有し、前記第１の接続部が前記一方の側から前記他方の側に向かって延出し、前記第２のコネクタは、前記第２の端子軸を挿通させる穴が形成された板状の第２の接続部を有し、前記第２の接続部が前記他方の側から前記一方の側に向かって延出する。
このように仮想平面を挟んで一方の側に前記第１のコネクタが配置され、他方の側に前記第２のコネクタが配置されるとともに、第１のコネクタの第１の接続部の延出方向と、第２のコネクタの第２の接続部の延出方向とが逆方向になっている。これにより、ハーネスを曲げて配線方向を変えるような必要はなく、ハーネスの配索性を向上させることができる。 In the harness connection structure of the motor generator according to the embodiment of the present invention, the first terminal shaft and the second terminal shaft are arranged side by side on the motor generator attached to the engine unit, and the first terminal shaft and the said The first harness, the second harness, and the first harness provided at the end of the first harness, which is a harness connection structure of a motor generator for connecting a harness to each of the second terminal shafts. The first terminal is provided with a first connector for connecting to the terminal shaft and a second connector provided at the end of the second harness for connecting to the second terminal shaft. The direction in which the shaft and the second terminal shaft are lined up coincides with the direction in which the first harness and the second harness extend, and the axis of the first terminal shaft and the second terminal shaft The first connector is arranged on one side and the second connector is arranged on the other side of the virtual plane including the axis, and the first connector inserts the first terminal shaft. It has a plate-shaped first connecting portion in which a hole to be formed is formed, the first connecting portion extends from the one side toward the other side, and the second connector is the second. It has a plate-shaped second connecting portion formed with a hole through which the terminal shaft of the above is inserted, and the second connecting portion extends from the other side toward the one side.
In this way, the first connector is arranged on one side of the virtual plane, the second connector is arranged on the other side, and the extension direction of the first connection portion of the first connector. And the extending direction of the second connecting portion of the second connector are opposite to each other. As a result, it is not necessary to bend the harness to change the wiring direction, and the wiring property of the harness can be improved.

以下、添付図面を参照して、本発明の好適な実施例について説明する。
まず、図１及び図２を参照して、本発明を適用可能なエンジンユニット１００の例を説明する。図１は、エンジンユニット１００の右側面図、図２は、エンジンユニット１００の上面図である。エンジンユニット１００は、燃料を燃焼させて動力を発生させる内燃機関であり、自動車等の車両にその動力源として搭載される。本実施形態では、車両の運転席から見る方向を車両の前方とし、その逆方向を後方とし、また、右側を右方、左側を左方とし、これらの方向をそれぞれ必要に応じて適宜、矢印により示す。なお、本実施形態では、図１に示す方向が「前」となっているが、エンジンユニット１００の配置は図示例の場合に限定されず、車種等に応じて適宜選択可能である。 Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.
First, an example of an engine unit 100 to which the present invention can be applied will be described with reference to FIGS. 1 and 2. FIG. 1 is a right side view of the engine unit 100, and FIG. 2 is a top view of the engine unit 100. The engine unit 100 is an internal combustion engine that burns fuel to generate power, and is mounted on a vehicle such as an automobile as a power source thereof. In the present embodiment, the direction viewed from the driver's seat of the vehicle is the front of the vehicle, the opposite direction is the rear, the right side is the right side, the left side is the left side, and these directions are appropriately indicated by arrows. Indicated by. In the present embodiment, the direction shown in FIG. 1 is "front", but the arrangement of the engine unit 100 is not limited to the case of the illustrated example, and can be appropriately selected depending on the vehicle type and the like.

エンジンユニット１００は、エンジンブロック１０２と、エンジンブロック１０２の上部にあるシリンダヘッド１０３及びシリンダヘッドカバー１０４と、エンジンブロック１０２の下部にあるオイルパン１０５とを備える。また、エンジンブロック１０２及びシリンダヘッド１０３の右側面には動弁機構のカムシャフトを駆動するためのカムタイミングチェーンが配置され、チェーンカバー１０６で覆われる。
エンジンユニット１００には、図示しないが、エアクリーナから供給される空気を供給する吸気装置、燃料を供給する燃料供給装置、燃焼後の排気ガスをエンジンユニット１００から排出する排気装置、エンジンユニット１００を冷却する冷却装置、及びエンジンユニット１００の可動部を潤滑する潤滑装置が付属する。
このようにしたエンジンユニット１００は、燃料の燃焼によりエンジンブロック１０２内でピストンを往復運動させて、コンロッドを介してクランクシャフト１０１を回転させる。エンジンユニット１００の右側面には、クランクシャフト１０１の端部に設けられたクランクプーリ１０７が配置される。 The engine unit 100 includes an engine block 102, a cylinder head 103 and a cylinder head cover 104 on the upper part of the engine block 102, and an oil pan 105 on the lower part of the engine block 102. Further, a cam timing chain for driving the camshaft of the valve operating mechanism is arranged on the right side surface of the engine block 102 and the cylinder head 103, and is covered with the chain cover 106.
Although not shown, the engine unit 100 cools an intake device that supplies air supplied from an air cleaner, a fuel supply device that supplies fuel, an exhaust device that discharges exhaust gas after combustion from the engine unit 100, and an engine unit 100. A cooling device for lubricating the moving parts of the engine unit 100 and a lubricating device for lubricating the moving parts of the engine unit 100 are attached.
The engine unit 100 in this way reciprocates the piston in the engine block 102 by burning fuel, and rotates the crankshaft 101 via the connecting rod. A crank pulley 107 provided at the end of the crankshaft 101 is arranged on the right side surface of the engine unit 100.

エンジンユニット１００の前部右側には、複数のブラケット１０８を介してモータジェネレータユニット１が取り付けられる。モータジェネレータユニット１は、全体として略円柱状を有し、その軸線Ａが水平になるように配置される。モータジェネレータユニット１の右端部にはプーリ２が設けられ、クランクプーリ１０７との間に不図示のベルトが捲回される。このようにモータジェネレータユニット１は、エンジンユニット１００にベルトを介して動力伝達可能に接続し、例えば加速時にエンジンユニットをアシストする電動機として機能し、減速時に減速エネルギを利用して発電する発電機として機能する。 A motor generator unit 1 is attached to the front right side of the engine unit 100 via a plurality of brackets 108. The motor generator unit 1 has a substantially columnar shape as a whole, and is arranged so that its axis A is horizontal. A pulley 2 is provided at the right end of the motor generator unit 1, and a belt (not shown) is wound between the pulley 2 and the crank pulley 107. In this way, the motor generator unit 1 is connected to the engine unit 100 via a belt so that power can be transmitted, and functions as an electric motor that assists the engine unit during acceleration, for example, as a generator that uses deceleration energy during deceleration to generate electricity. Function.

以下、図３乃至図６Ａ、図６Ｂも参照して、実施例に係るモータジェネレータのハーネス接続構造を説明する。
図３及び図４は、エンジンユニット１００に取り付けられたモータジェネレータユニット１を示す図である。図３がモータジェネレータユニット１の正面図、図４が端子軸３、４の軸方向から見たモータジェネレータユニット１を示す図（キャップ２２、２３なし）である。なお、図３及び図４では、エンジンユニット１００の図示は省略し、モータジェネレータユニット１だけを示す。また、図５、図６Ａ及び図６Ｂは、第１の端子軸３及び第２の端子軸４の周辺構造を示す図である。 Hereinafter, the harness connection structure of the motor generator according to the embodiment will be described with reference to FIGS. 3 to 6A and 6B.
3 and 4 are views showing the motor generator unit 1 attached to the engine unit 100. FIG. 3 is a front view of the motor generator unit 1, and FIG. 4 is a view (without caps 22 and 23) showing the motor generator unit 1 as viewed from the axial direction of the terminal shafts 3 and 4. In FIGS. 3 and 4, the engine unit 100 is not shown, and only the motor generator unit 1 is shown. 5 and 6A and 6B are diagrams showing the peripheral structures of the first terminal shaft 3 and the second terminal shaft 4.

モータジェネレータユニット１の外周部の前上部であって左側には、端子台部２４が設けられる。端子台部２４には、図４及び図６Ａに示すように、２つのピン状の端子軸３、４が設置される。本実施例では、端子台部２４の右側にマイナス端子である第１の端子軸３が立設され、左側にプラス端子である第２の端子軸４が立設される。このように第１の端子軸３及び第２の端子軸４は、モータジェネレータユニット１の軸方向に並んで配置される。 A terminal block portion 24 is provided on the left side of the front upper portion of the outer peripheral portion of the motor generator unit 1. As shown in FIGS. 4 and 6A, two pin-shaped terminal shafts 3 and 4 are installed on the terminal block portion 24. In this embodiment, the first terminal shaft 3 which is a negative terminal is erected on the right side of the terminal block portion 24, and the second terminal shaft 4 which is a positive terminal is erected on the left side. In this way, the first terminal shaft 3 and the second terminal shaft 4 are arranged side by side in the axial direction of the motor generator unit 1.

第１の端子軸３には第１のハーネス５が接続し、第２の端子軸４には第２のハーネス６が接続する。モータジェネレータユニット１は、これらハーネス５、６を介して不図示のバッテリに接続する。
図１及び図２に示すように、第１のハーネス５及び第２のハーネス６は、第１のハーネス５が内側、第２のハーネス６が外側になるように隣り合って、エンジンユニット１の右側方からモータジェネレータユニット１の右側方上部を通り、モータジェネレータユニット１の前上方に回り込む。このように第１のハーネス５及び第２のハーネス６を配索することで、ハーネス５、６の配索性が向上し、また、エンジンユニット１００の周囲にある他の部品等との干渉を避けることができる。
そして、図４に示すように、モータジェネレータユニット１の前上方で、第２のハーネス６が第１のハーネス５から離れて外側（前方）に向かうように斜めに延出して、端子台部２４の近くでは、第１のハーネス５及び第２のハーネス６が相互に略平行にモータジェネレータユニット１の軸方向に沿って延びるように配置される。このように第１の端子軸３及び第２の端子軸４が並ぶ方向と第１のハーネス５及び第２のハーネス６が延びる方向とが一致する状況になる。この場合に、第１のハーネス５に対して外側（前方）に位置する第２のハーネス６は、第１の端子軸３の位置を超えて第２の端子軸４に接続するために、第１のハーネス５よりも長くなっている。 A first harness 5 is connected to the first terminal shaft 3, and a second harness 6 is connected to the second terminal shaft 4. The motor generator unit 1 is connected to a battery (not shown) via these harnesses 5 and 6.
As shown in FIGS. 1 and 2, the first harness 5 and the second harness 6 are adjacent to each other so that the first harness 5 is on the inside and the second harness 6 is on the outside of the engine unit 1. From the right side, it passes through the upper right side of the motor generator unit 1 and wraps around in front of and above the motor generator unit 1. By arranging the first harness 5 and the second harness 6 in this way, the wiring properties of the harnesses 5 and 6 are improved, and interference with other parts and the like around the engine unit 100 is avoided. be able to.
Then, as shown in FIG. 4, at the front upper side of the motor generator unit 1, the second harness 6 extends diagonally so as to move away from the first harness 5 and toward the outside (front), and the terminal block portion 24 In the vicinity of, the first harness 5 and the second harness 6 are arranged so as to extend substantially parallel to each other along the axial direction of the motor generator unit 1. In this way, the direction in which the first terminal shaft 3 and the second terminal shaft 4 are lined up coincides with the direction in which the first harness 5 and the second harness 6 extend. In this case, the second harness 6 located on the outside (front) of the first harness 5 is connected to the second terminal shaft 4 beyond the position of the first terminal shaft 3. It is longer than the harness 5 of 1.

第１のハーネス５の端部には、第１の端子軸３に接続するための金属製の第１のコネクタ７が設けられる。また、第２のハーネス６の端部には、第２の端子軸４に接続するための金属製の第２のコネクタ８が設けられる。なお、各図において見やすくするためにコネクタ７、８には適宜模様を付す。
以下では、図４に示すように、第１の端子軸３の軸心と第２の端子軸４の軸心を含む仮想平面Ｐを用いて、各部の配置を説明する。
上述したように第１のハーネス５が内側（後方）、第２のハーネス６が外側（前方）に位置しており、仮想平面Ｐを挟んで後方に第１のコネクタ７が配置され、前方に第２のコネクタ８が配置される。 At the end of the first harness 5, a first metal connector 7 for connecting to the first terminal shaft 3 is provided. Further, at the end of the second harness 6, a second metal connector 8 for connecting to the second terminal shaft 4 is provided. In order to make it easier to see in each figure, the connectors 7 and 8 are appropriately patterned.
In the following, as shown in FIG. 4, the arrangement of each part will be described using the virtual plane P including the axis of the first terminal shaft 3 and the axis of the second terminal shaft 4.
As described above, the first harness 5 is located inside (rear) and the second harness 6 is located outside (front), and the first connector 7 is arranged behind the virtual plane P with the virtual plane P in between. The second connector 8 is arranged.

第１のコネクタ７は、板状の第１の接続部９と、第１の接続部９の端部に繋がってモータジェネレータユニット１から離れる方向に延びる板状の第１の縦面部１０と、第１の縦面部１０を支持して第１のハーネス５の端部に接続する第１の基部１１とを有する。
第１のコネクタ７において、第１の接続部９のうち後方向の端部に、第１の縦面部１０が繋がる。すなわち、第１の接続部９は、後方から前方に向かって延出するように配置される。第１の接続部９の先端（前方向の端部）は、円弧状になっている。
このように第１の接続部９と第１の基部１１とが第１の縦面部１０を介して連続する構成とすることにより、第１の基部１１の位置（すなわち第１のハーネス５の位置）に対して第１の接続部９の位置を低くして、第１の接続部９を第１の端子軸３に接続しやすい構造にすることが可能になる。
第１の接続部９には、第１の端子軸３を挿通させる穴１２が形成されている。第１のコネクタ７を第１の端子軸３に組み付けるときは、穴１２に第１の端子軸３を挿通させるようにして第１の接続部９を端子台部２４に載置する。そして、ナット１３（図６Ａを参照）を第１の端子軸３に螺合させて第１の接続部９を固定する。 The first connector 7 includes a plate-shaped first connecting portion 9, a plate-shaped first vertical surface portion 10 connected to an end portion of the first connecting portion 9 and extending in a direction away from the motor generator unit 1. It has a first base portion 11 that supports the first vertical surface portion 10 and connects to the end portion of the first harness 5.
In the first connector 7, the first vertical surface portion 10 is connected to the rear end portion of the first connecting portion 9. That is, the first connecting portion 9 is arranged so as to extend from the rear to the front. The tip (end in the front direction) of the first connecting portion 9 has an arc shape.
By forming the first connecting portion 9 and the first base portion 11 continuously via the first vertical surface portion 10 in this way, the position of the first base portion 11 (that is, the position of the first harness 5). ), The position of the first connecting portion 9 can be lowered so that the first connecting portion 9 can be easily connected to the first terminal shaft 3.
A hole 12 through which the first terminal shaft 3 is inserted is formed in the first connecting portion 9. When assembling the first connector 7 to the first terminal shaft 3, the first connection portion 9 is placed on the terminal block portion 24 so that the first terminal shaft 3 is inserted through the hole 12. Then, the nut 13 (see FIG. 6A) is screwed into the first terminal shaft 3 to fix the first connecting portion 9.

また、第２のコネクタ８は、板状の第２の接続部１４と、第２の接続部１４の端部に繋がってモータジェネレータユニット１から離れる方向に延びる板状の第２の縦面部１５と、第２の縦面部１５を支持して第２のハーネス６の端部に接続する第２の基部１６とを有する。
第２のコネクタ８において、第２の接続部１４のうち前方向の端部に第２の縦面部１５が繋がる。すなわち、第２の接続部１４は、前方から後方に向かって延出するように配置される。このように第１の接続部９の延出方向と、第２の接続部１４の延出方向とが逆方向になっている。第２の接続部１４の先端（後方向の端部）は、円弧状になっている。
このように第２の接続部１４と第２の基部１６とが第２の縦面部１５を介して連続する構成とすることにより、第２の基部１６の位置（すなわち第２のハーネス６の位置）に対して第２の接続部１４の位置を低くして、第２の接続部１４を第２の端子軸４に接続しやすい構造にすることが可能になる。
第２の接続部１４には、第２の端子軸４を挿通させる穴１７が形成されている。第２のコネクタ８を第２の端子軸４に組み付けるときは、穴１７に第２の端子軸４を挿通させるようにして第２の接続部１４を端子台部２４に載置する。そして、ナット１８（図６Ａを参照）を第２の端子軸４に螺合させて第２の接続部１４を固定する。
なお、上述したように第２のハーネス６は第１の端子軸３の位置を超えて第２の端子軸４に接続する関係にあり、第２のコネクタ８を第２の端子軸４に組み付けると、図５に示すように、第２の基部１６がちょうど第１の端子軸３の前方に位置する。 Further, the second connector 8 is connected to the plate-shaped second connecting portion 14 and the end portion of the second connecting portion 14, and extends in the direction away from the motor generator unit 1. The plate-shaped second vertical surface portion 15 And a second base portion 16 that supports the second vertical surface portion 15 and connects to the end portion of the second harness 6.
In the second connector 8, the second vertical surface portion 15 is connected to the end portion of the second connecting portion 14 in the front direction. That is, the second connecting portion 14 is arranged so as to extend from the front to the rear. In this way, the extending direction of the first connecting portion 9 and the extending direction of the second connecting portion 14 are opposite to each other. The tip (rear end) of the second connecting portion 14 has an arc shape.
By forming the second connecting portion 14 and the second base portion 16 to be continuous via the second vertical surface portion 15 in this way, the position of the second base portion 16 (that is, the position of the second harness 6). ), The position of the second connecting portion 14 can be lowered so that the second connecting portion 14 can be easily connected to the second terminal shaft 4.
A hole 17 through which the second terminal shaft 4 is inserted is formed in the second connecting portion 14. When assembling the second connector 8 to the second terminal shaft 4, the second connecting portion 14 is placed on the terminal block portion 24 so that the second terminal shaft 4 is inserted into the hole 17. Then, the nut 18 (see FIG. 6A) is screwed into the second terminal shaft 4 to fix the second connecting portion 14.
As described above, the second harness 6 is connected to the second terminal shaft 4 beyond the position of the first terminal shaft 3, and the second connector 8 is assembled to the second terminal shaft 4. And, as shown in FIG. 5, the second base 16 is located exactly in front of the first terminal shaft 3.

端子台部２４には、第１の端子軸３と第２の端子軸４の間に樹脂製の壁部１９が立設される。壁部１９は、仮想平面Ｐに交差するように延び、第２の接続部１４の先端（後方向の端部）の円弧状に合わせるように湾曲する。
このように第１の端子軸３と第２の端子軸４の間に壁部１９が設けられることにより、端子軸３、４間の空間距離及び沿面距離を確保することができる。また、第１の接続部９を組み付けるスペースと第２の接続部１４を組み付けるスペースが隔離されるので、第１の接続部９及び第２の接続部１４をどのように位置させるかのガイドとしても機能する。特に壁部１９が第２の接続部１４の先端の円弧状に合わせるように湾曲することにより、第２の端子軸には第２の接続部１４を接続することが明確にわかり、誤組み付け防止になる。 In the terminal block portion 24, a resin wall portion 19 is erected between the first terminal shaft 3 and the second terminal shaft 4. The wall portion 19 extends so as to intersect the virtual plane P and is curved so as to match the arc shape of the tip end (rear end portion) of the second connecting portion 14.
By providing the wall portion 19 between the first terminal shaft 3 and the second terminal shaft 4 in this way, it is possible to secure the spatial distance and the creepage distance between the terminal shafts 3 and 4. Further, since the space for assembling the first connection portion 9 and the space for assembling the second connection portion 14 are separated, as a guide for how to position the first connection portion 9 and the second connection portion 14. Also works. In particular, since the wall portion 19 is curved so as to match the arc shape at the tip of the second connecting portion 14, it is clearly understood that the second connecting portion 14 is connected to the second terminal shaft, and misassembly is prevented. become.

また、図４に示すように、第２の接続部１４の側部１４ａが壁部１９に当接して、第２の接続部１４の回り止めになる。上述したようにナット１８を第２の端子軸４に螺合させて第２の接続部１４を固定するが、このときに第２の接続部１４が第２の端子軸４回りに回転すると、第２のハーネス６が揺れ動いて、他のハーネス等に干渉してしまう。第２の接続部１４の回り止め構造を採用することで、第２のハーネス６が他のハーネス等に干渉するのを避けて、組み付け性を向上させることができる。 Further, as shown in FIG. 4, the side portion 14a of the second connecting portion 14 abuts on the wall portion 19 to prevent the second connecting portion 14 from rotating. As described above, the nut 18 is screwed into the second terminal shaft 4 to fix the second connecting portion 14, but when the second connecting portion 14 rotates around the second terminal shaft 4 at this time, The second harness 6 sways and interferes with other harnesses and the like. By adopting the detent structure of the second connecting portion 14, it is possible to prevent the second harness 6 from interfering with other harnesses and the like, and improve the assembling property.

また、端子台部２４の後部には、略三角柱形状の樹脂製の壁部２０が立設される。壁部１９と壁部２０の間には隙間２１が形成される。図４に示すように、第１の接続部９の側部９ａが壁部２０に当接して、第１の接続部９の回り止めになる。上述したようにナット１３を第１の端子軸３に螺合させて第１の接続部９を固定するが、このときに第１の接続部９が第１の端子軸３回りに回転すると、第１のハーネス５が揺れ動いて、他のハーネス等に干渉してしまう。第１の接続部９の回り止め構造を採用することで、第１のハーネス５が他のハーネス等に干渉するのを避け、組み付け性を向上させることができる。 Further, a resin wall portion 20 having a substantially triangular prism shape is erected at the rear portion of the terminal block portion 24. A gap 21 is formed between the wall portion 19 and the wall portion 20. As shown in FIG. 4, the side portion 9a of the first connecting portion 9 comes into contact with the wall portion 20 to prevent the first connecting portion 9 from rotating. As described above, the nut 13 is screwed into the first terminal shaft 3 to fix the first connecting portion 9, but at this time, when the first connecting portion 9 rotates around the first terminal shaft 3, The first harness 5 sways and interferes with other harnesses and the like. By adopting the detent structure of the first connecting portion 9, it is possible to prevent the first harness 5 from interfering with other harnesses and the like, and improve the assembling property.

ここで、図６Ａに示すように、壁部１９の後方向の端部１９ａでは、高さが低くなっている。また、壁部１９の前方向の端部１９ｂでは、高さが徐々に低くなっている。なお、壁部１９において端部１９ａ、１９ｂを低壁部と呼び、低壁部１９ａ、１９ｂ間の背の高い部分を高壁部１９ｃと呼ぶ。
図５に示すように、第２のコネクタ８において、第２の縦面部１５は、第２の接続部１４に繋がるために第２の基部１６よりも下方（モータジェネレータユニット１に近づく方向）に延出するかたちとなる。この場合に、第２の縦面部１５が第２の基部１６からすぐに下方に延出するのではなく、第２の縦面部１５のうち第２の基部１６に繋がる接続部位１５ａを、第２の接続部１４よりも高い位置を保つ形状にしている。
これにより、第２のコネクタ８は、その接続部位１５ａが壁部１９の低壁部１９ｂの上方（モータジェネレータユニット１から離れる方向）を通るように配置され、接続部位１５ａは壁部１９の高壁部１９ｃと略同じ高さ位置に配置される。そして、低壁部１９ｂに対して仮想平面Ｐ側で（図５でいえば紙面奥側で）、接続部位１５ａの内側の面が高壁部１９ｃに当接するようになっている。
このように、第２のコネクタ８を壁部１９（高壁部１９ｃ）に当接させる構成になっている。これにより、第２のコネクタ８の動きを規制して、例えば第２のハーネス６側から外力が作用したようなときにも、第２のコネクタ８の曲がりを防ぐことができる。
なお、壁部１９の低壁部１９ｂに対して仮想平面Ｐ側で、第２のコネクタ８が壁部１９に当接する構成を説明したが、これに限られるものではない。例えば壁部１９の低壁部１９ｂに対して仮想平面Ｐの逆側で、第２のコネクタ８が壁部１９に当接するようにしてもよい。 Here, as shown in FIG. 6A, the height of the rear end 19a of the wall 19 is low. Further, the height of the front end 19b of the wall 19 is gradually lowered. In the wall portion 19, the end portions 19a and 19b are referred to as low wall portions, and the tall portion between the low wall portions 19a and 19b is referred to as the high wall portion 19c.
As shown in FIG. 5, in the second connector 8, the second vertical surface portion 15 is located below the second base portion 16 (in the direction closer to the motor generator unit 1) in order to connect to the second connecting portion 14. It will be extended. In this case, the second vertical surface portion 15 does not immediately extend downward from the second base portion 16, but the connection portion 15a connected to the second base portion 16 of the second vertical surface portion 15 is formed by the second. It is shaped to maintain a higher position than the connection portion 14.
As a result, the second connector 8 is arranged so that the connection portion 15a passes above the low wall portion 19b of the wall portion 19 (in the direction away from the motor generator unit 1), and the connection portion 15a is the height of the wall portion 19. It is arranged at substantially the same height as the wall portion 19c. Then, on the virtual plane P side with respect to the low wall portion 19b (on the back side of the paper surface in FIG. 5), the inner surface of the connection portion 15a comes into contact with the high wall portion 19c.
In this way, the second connector 8 is brought into contact with the wall portion 19 (high wall portion 19c). As a result, the movement of the second connector 8 can be restricted, and the bending of the second connector 8 can be prevented even when an external force is applied from the side of the second harness 6, for example.
Although the configuration in which the second connector 8 abuts on the wall portion 19 on the virtual plane P side with respect to the low wall portion 19b of the wall portion 19 has been described, the present invention is not limited to this. For example, the second connector 8 may be brought into contact with the wall portion 19 on the opposite side of the virtual plane P with respect to the low wall portion 19b of the wall portion 19.

図３及び図６Ｂに示すように、第１のハーネス５を第１の端子軸３に接続した状態で、第１のコネクタ７を覆うように樹脂製の第１のキャップ２２が装着される。第１のキャップ２２は、第１の接続部９及び第１の縦面部１０の上部を覆う形状を有する。なお、図６Ｂでは、第１のハーネス５の図示は省略する。 As shown in FIGS. 3 and 6B, with the first harness 5 connected to the first terminal shaft 3, a first resin cap 22 is attached so as to cover the first connector 7. The first cap 22 has a shape that covers the upper portions of the first connecting portion 9 and the first vertical surface portion 10. In FIG. 6B, the illustration of the first harness 5 is omitted.

また、図３及び図６Ｂに示すように、第２のハーネス６を第２の端子軸４に接続した状態で、第２のコネクタ８を覆うように樹脂製の第２のキャップ２３が装着される。第２のキャップ２３は、第２の接続部１４及び第２の縦面部１５を覆う形状を有する部分２３ａと、第１の基部１６を覆う筒状部分２３ｂとを有し、全体として略Ｌ字を有する。なお、図６Ｂでは、第２のハーネス６の図示は省略する。第２のキャップ２３の一部は、壁部１９、２０間の隙間２１に嵌まり込むことにより、位置決め、保持される。 Further, as shown in FIGS. 3 and 6B, in a state where the second harness 6 is connected to the second terminal shaft 4, a second resin cap 23 is attached so as to cover the second connector 8. Ru. The second cap 23 has a portion 23a having a shape covering the second connecting portion 14 and the second vertical surface portion 15, and a tubular portion 23b covering the first base portion 16, and has a substantially L shape as a whole. Has. In FIG. 6B, the illustration of the second harness 6 is omitted. A part of the second cap 23 is positioned and held by fitting into the gap 21 between the wall portions 19 and 20.

以上のように、仮想平面Ｐを挟んで後方に第１のコネクタ７が配置され、前方に第２のコネクタ８が配置されるとともに、第１のコネクタ７の第１の接続部９は後方から前方に向かって延出し、第２のコネクタ８の第１の接続部１４は前方から後方に向かって延出する。このように第１のコネクタ７の第１の接続部９の延出方向と、第２のコネクタ８の第２の接続部１４の延出方向とが逆方向になっている。第１のコネクタ７を第１の端子軸３に組み付けるときは、第１の接続部９を後方から差し入れるようにするのに対して、第２のコネクタ８を第２の端子軸４に組み付けるときは、第２の接続部１４を前方から差し入れるようにすればよい。これにより、ハーネスを曲げて配線方向を変えるような必要はなく、第１のハーネス５及び第２のハーネス６が相互に略平行にモータジェネレータユニット１の軸方向に沿って延びる位置関係を保つことができ、ハーネス５、６の配索性を向上させることができる。 As described above, the first connector 7 is arranged behind the virtual plane P, the second connector 8 is arranged in front, and the first connecting portion 9 of the first connector 7 is arranged from the rear. It extends forward, and the first connecting portion 14 of the second connector 8 extends from the front to the rear. As described above, the extending direction of the first connecting portion 9 of the first connector 7 and the extending direction of the second connecting portion 14 of the second connector 8 are opposite to each other. When assembling the first connector 7 to the first terminal shaft 3, the first connection portion 9 is inserted from the rear, whereas the second connector 8 is assembled to the second terminal shaft 4. At that time, the second connecting portion 14 may be inserted from the front. As a result, it is not necessary to bend the harness to change the wiring direction, and the first harness 5 and the second harness 6 maintain a positional relationship extending substantially parallel to each other along the axial direction of the motor generator unit 1. This makes it possible to improve the wiring properties of the harnesses 5 and 6.

以上、本発明の実施例を、図面を参照して詳細に説明したが、各実施例は、本発明の実施にあたっての具体例を示したに過ぎない。本発明の技術的範囲は、各実施例に限定されるものではない。本発明は、その趣旨を逸脱しない範囲において種々の変更が可能であり、それらも本発明の技術的範囲に含まれる。
上記実施形態では、エンジンユニット１００の前部にモータジェネレータユニット１が取り付けられる例を説明したが、その取り付け箇所は限定されるものではない。
また、各部の具体的な形状等は限定されるものではなく、本発明の技術的範囲内に含まれる範囲で適宜変更可能である。例えば壁部１９、２０を一体的な壁として構成してもよい。また、壁部１９が第２の接続部１４の先端（後方向の端部）の円弧状に合わせるように湾曲する形状としたが、第１の接続部９の先端（前方向の端部）の円弧状に合わせるように湾曲する形状としてもよい。 Although the examples of the present invention have been described in detail with reference to the drawings, each of the examples merely shows specific examples in carrying out the present invention. The technical scope of the present invention is not limited to each embodiment. The present invention can be modified in various ways without departing from the spirit of the present invention, and these are also included in the technical scope of the present invention.
In the above embodiment, an example in which the motor generator unit 1 is attached to the front portion of the engine unit 100 has been described, but the attachment location is not limited.
Further, the specific shape and the like of each part are not limited, and can be appropriately changed within the range included in the technical scope of the present invention. For example, the wall portions 19 and 20 may be configured as an integral wall. Further, the wall portion 19 is curved so as to match the arc shape of the tip end (rear direction end portion) of the second connection portion 14, but the tip end (front end portion) of the first connection portion 9 is formed. The shape may be curved so as to match the arc shape of.

１：モータジェネレータユニット、３：第１の端子軸、４：第２の端子軸、５：第１のハーネス、６：第２のハーネス、７：第１のコネクタ、８：第２のコネクタ、９：第１の接続部、１０：第１の縦面部、１１：第１の基部、１２：穴、１４：第２の接続部、１５：第２の縦面部、１６：第２の基部、１７：穴、１９、２０：壁部、１００：エンジンユニット 1: Motor generator unit 3: 1st terminal shaft 4: 2nd terminal shaft 5: 1st harness, 6: 2nd harness, 7: 1st connector, 8: 2nd connector, 9: 1st connector, 10: 1st vertical surface, 11: 1st base, 12: hole, 14: 2nd connection, 15: 2nd vertical surface, 16: 2nd base, 17: Hole, 19, 20: Wall, 100: Engine unit

Claims (6)

エンジンユニットに取り付けられたモータジェネレータに第１の端子軸及び第２の端子軸が並んで配置され、前記第１の端子軸及び前記第２の端子軸にそれぞれハーネスを接続するモータジェネレータのハーネス接続構造であって、
第１のハーネスと、
第２のハーネスと、
前記第１のハーネスの端部に設けられた、前記第１の端子軸に接続するための第１のコネクタと、
前記第２のハーネスの端部に設けられた、前記第２の端子軸に接続するための第２のコネクタとを備え、
前記第１の端子軸及び前記第２の端子軸が並ぶ方向と前記第１のハーネス及び前記第２のハーネスが延びる方向とが一致しており、
前記第１の端子軸の軸心と前記第２の端子軸の軸心を含む仮想平面を挟んで一方の側に前記第１のコネクタが配置され、他方の側に前記第２のコネクタが配置され、
前記第１のコネクタは、前記第１の端子軸を挿通させる穴が形成された板状の第１の接続部を有し、前記第１の接続部が前記一方の側から前記他方の側に向かって延出し、
前記第２のコネクタは、前記第２の端子軸を挿通させる穴が形成された板状の第２の接続部を有し、前記第２の接続部が前記他方の側から前記一方の側に向かって延出することを特徴とするモータジェネレータのハーネス接続構造。 Harness connection of a motor generator in which a first terminal shaft and a second terminal shaft are arranged side by side on a motor generator attached to an engine unit, and harnesses are connected to the first terminal shaft and the second terminal shaft, respectively. It's a structure
The first harness and
The second harness and
A first connector provided at the end of the first harness for connecting to the first terminal shaft, and
It is provided with a second connector provided at the end of the second harness for connecting to the second terminal shaft.
The direction in which the first terminal shaft and the second terminal shaft are lined up coincides with the direction in which the first harness and the second harness extend.
The first connector is arranged on one side and the second connector is arranged on the other side of the virtual plane including the axis of the first terminal shaft and the axis of the second terminal shaft. Being done
The first connector has a plate-shaped first connecting portion formed with a hole through which the first terminal shaft is inserted, and the first connecting portion moves from one side to the other. Extend towards
The second connector has a plate-shaped second connection portion formed with a hole through which the second terminal shaft is inserted, and the second connection portion moves from the other side to the one side. A motor generator harness connection structure that extends toward it. 前記第１のコネクタは、前記第１の接続部のうち前記一方の側の方向の端部に繋がって前記モータジェネレータから離れる方向に延びる第１の縦面部と、前記第１の縦面部を前記第１のハーネスに接続する第１の基部とを有し、
前記第２のコネクタは、前記第２の接続部のうち前記他方の側の方向の端部に繋がって前記モータジェネレータから離れる方向に延びる第２の縦面部と、前記第２の縦面部を前記第２のハーネスに接続する第２の基部とを有することを特徴とする請求項１に記載のモータジェネレータのハーネス接続構造。 The first connector includes a first vertical surface portion that is connected to an end portion of the first connection portion in the direction of one side and extends in a direction away from the motor generator, and the first vertical surface portion. It has a first base that connects to a first harness and
The second connector has a second vertical surface portion connected to an end portion of the second connecting portion in the other direction and extending in a direction away from the motor generator, and the second vertical surface portion. The harness connection structure for a motor generator according to claim 1, wherein the motor generator has a second base to be connected to the second harness. 前記第１の端子軸と前記第２の端子軸の間に配置され、前記仮想平面に交差するように延びる壁部を備えることを特徴とする請求項１又は２に記載のモータジェネレータのハーネス接続構造。 The harness connection of the motor generator according to claim 1 or 2, wherein the wall portion is arranged between the first terminal shaft and the second terminal shaft and extends so as to intersect the virtual plane. Construction. 前記壁部が、前記第１の接続部の側部が当接して回り止めとなる第１の当接部、及び、前記第２の接続部の側部が当接して回り止めとなる第２の当接部のうち少なくともいずれか一方を構成することを特徴とする請求項３に記載のモータジェネレータのハーネス接続構造。 The wall portion has a first contact portion where the side portion of the first connecting portion abuts to prevent rotation, and a second contact portion where the side portion of the second connecting portion abuts to prevent rotation. The harness connection structure of the motor generator according to claim 3, wherein at least one of the abutting portions of the motor generator is formed. 前記壁部は高壁部及び低壁部を有し、前記低壁部の位置で前記低壁部よりも前記モータジェネレータから離れる方向に前記第１のコネクタ又は前記第２のコネクタが位置し、
前記低壁部に対して前記仮想平面側及びその逆側のうちの少なくともいずれか一方で、前記第１のコネクタ又は前記第２のコネクタが前記高壁部に当接することを特徴とする請求項３又は４に記載のモータジェネレータのハーネス接続構造。 The wall portion has a high wall portion and a low wall portion, and the first connector or the second connector is located at the position of the low wall portion in a direction away from the motor generator than the low wall portion.
The claim is characterized in that the first connector or the second connector abuts on the high wall portion on at least one of the virtual plane side and the opposite side with respect to the low wall portion. The harness connection structure of the motor generator according to 3 or 4. 前記第１の端子軸及び前記第２の端子軸は、前記モータジェネレータの軸方向に並んで配置され、
前記第１のハーネス及び前記第２のハーネスは相互に略平行に前記モータジェネレータの軸方向に沿って延びるように配置されることを特徴とする請求項１乃至５のいずれか１項に記載のモータジェネレータのハーネス接続構造。 The first terminal shaft and the second terminal shaft are arranged side by side in the axial direction of the motor generator.
The invention according to any one of claims 1 to 5, wherein the first harness and the second harness are arranged so as to extend substantially parallel to each other along the axial direction of the motor generator. Motor generator harness connection structure.
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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006262627A (en) * 2005-03-17 2006-09-28 Toyota Motor Corp Insulating member, power conversion device, and vehicle
JP2011004526A (en) * 2009-06-18 2011-01-06 Aisin Seiki Co Ltd Wire connection structure for electric motor, and connection method for the same

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006262627A (en) * 2005-03-17 2006-09-28 Toyota Motor Corp Insulating member, power conversion device, and vehicle
JP2011004526A (en) * 2009-06-18 2011-01-06 Aisin Seiki Co Ltd Wire connection structure for electric motor, and connection method for the same

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