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JP2022145370A - Driving power distribution device - Google Patents

Driving power distribution device Download PDF

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JP2022145370A
JP2022145370A JP2021078831A JP2021078831A JP2022145370A JP 2022145370 A JP2022145370 A JP 2022145370A JP 2021078831 A JP2021078831 A JP 2021078831A JP 2021078831 A JP2021078831 A JP 2021078831A JP 2022145370 A JP2022145370 A JP 2022145370A
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prime mover
driving force
transmitting
distributed
differential
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JP7257006B2 (en
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純一郎 福田
Junichiro Fukuda
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Abstract

To enable drive with a higher efficiency and distribution of driving power with higher accuracy, and to achieve down-sizing by reducing driving power of each prime mover compared to the case that an independent prime mover is installed on each part.SOLUTION: A driving power distribution device has a sub prime motor 3 which can generate load and driving power on each drive wheel 4 in addition to a central differential gear 2c that distributes driving power of a main prime mover 1 to the front and rear, and a structure that distributes driving power to the left and right in the front and rear respectively by front and rear differential gears 2. The device enables distribution of driving power to front and rear wheels and distribution of driving power to left and right wheels in the front and rear respectively.SELECTED DRAWING: Figure 2

Description

本発明は、駆動力を分配する装置に関する。 The present invention relates to a device for distributing drive power.

電動機による原動機は応答性の高さや制御精度の高さ、エネルギー回生等の制動トルクを発生できることから、２機の駆動力を制御することで駆動力の分配を制御可能であり、その特性を利用した合理的な構成が考案されている。しかし、電動機のみでの駆動が非合理である場合もあるため、内燃機関等と電動機の優位な特性を両立することが可能な駆動力分配装置が望まれる。 Electric motors have high responsiveness, high control accuracy, and can generate braking torque such as energy regeneration. A rational configuration has been devised. However, there are cases in which it is irrational to drive only with the electric motor, so a driving force distribution device that can combine the superior characteristics of the internal combustion engine and the like with the electric motor is desired.

複数の原動機の優位な特性を両立し、駆動力の分配を制御すること。 To control the distribution of driving force by combining the superior characteristics of a plurality of prime movers.

主となる原動機の駆動力を他の原動機と併用することで各原動機の優位な特性を両立し駆動力の分配を制御する。 By using the driving force of the main motor together with other motors, the superior characteristics of each motor are compatible and the distribution of the driving force is controlled.

内燃機関を主原動機、電動機を副原動機とする場合、内燃機関のみの場合と比較してより高効率な駆動や高精度な駆動力の分配が可能となり、電動機のみの場合と比較して、電動機の駆動力削減による小型化が見込まれる。 When using an internal combustion engine as the primary motor and an electric motor as the secondary motor, it is possible to drive more efficiently and distribute driving force with higher accuracy than when using only an internal combustion engine. It is expected that the size will be reduced by reducing the driving force.

実施例１に係る駆動力分配装置 Driving force distribution device according to embodiment 1 実施例２に係る駆動力分配装置 Driving force distribution device according to embodiment 2 実施例３に係る駆動力分配装置 Driving force distribution device according to embodiment 3 実施例４に係る駆動力分配装置 Driving force distribution device according to embodiment 4 実施例５に係る駆動力分配装置 Driving force distribution device according to embodiment 5

主原動機の駆動力を差動制限のない差動装置で分配する構造においては、より負荷が小さい駆動輪に駆動力が多く分配される特性を持つ。そのため、外部から受ける負荷が小さい駆動輪にクラッチやブレーキ等の負荷装置によって負荷を与え、外部から受ける負荷が大きい駆動輪に駆動力を多く分配する構造がある。この場合、負荷装置の部品が摩耗するなど定期的なメンテナンスが必要となり、負荷装置で消費される駆動力は駆動に利用されない。本発明に係る装置は負荷装置を、負荷装置およびに原動機として用いることが可能な副原動機に置き換え、意図して摩耗等が生じないために高効率な駆動が可能であり、高精度な駆動力の分配が可能な構造を有する。 A structure in which the driving force of the main motor is distributed by a differential that has no differential limitation has the characteristic that more driving force is distributed to the driving wheels with a smaller load. Therefore, there is a structure in which a load is applied by a load device such as a clutch or a brake to the driving wheels that receive a small external load, and more driving force is distributed to the driving wheels that receive a large external load. In this case, periodic maintenance such as wear of parts of the load device is required, and the driving force consumed by the load device is not used for driving. In the device according to the present invention, the load device is replaced with a sub-engine that can be used as the load device and the prime mover, and since there is no intentional wear, etc., highly efficient driving is possible, and highly accurate driving force is possible. has a structure capable of distributing

主原動機１の駆動力を差動装置２で左右の駆動輪４に分配する構造に加え、左右の駆動輪４に制動力及びに駆動力を発生可能な副原動機３を有する。 In addition to the structure in which the driving force of the main motor 1 is distributed to the left and right driving wheels 4 by the differential gear 2, the left and right driving wheels 4 are provided with the sub-motor 3 capable of generating braking force and driving force.

主原動機１の駆動力を前後に分配する中央差動装置２Ｃ、及びに前後の差動装置２によって前後それぞれで左右に駆動力を分配する構造に加え、各駆動輪４に制動力及びに駆動力を発生可能な副原動機３を有する。 In addition to the structure of distributing the driving force to the left and right respectively in the front and rear by the central differential device 2C that distributes the driving force of the main motor 1 to the front and rear, and the front and rear differential devices 2, the braking force and the driving force are applied to each driving wheel 4. It has a sub-prime mover 3 capable of generating force.

主原動機１の駆動力を前後に分配する中央差動装置２Ｃ、及びに差動装置２Ｒによって前輪およびに左右の後輪に駆動力を分配する構造に加え、前輪４Ｆに負荷又は駆動力を与える電動機等の副原動機３Ｃと左右の後輪４Ｒに制動力及びに駆動力を発生可能な副原動機３Ｒを有する。 In addition to the structure for distributing the driving force to the front wheels and the left and right rear wheels by the central differential device 2C and the differential device 2R that distribute the driving force of the main motor 1 to the front and rear, the load or driving force is applied to the front wheels 4F. It has a sub-motor 3C such as an electric motor and a sub-motor 3R capable of generating braking force and driving force to the left and right rear wheels 4R.

主原動機１の駆動力を差動装置２で左右の駆動輪４に分配する構造に加え、左右の駆動輪４に制動力及びに駆動力を発生可能な副原動機３を有し、左側の副原動機の制動力又は駆動力によって駆動力の分配を制御する。 In addition to the structure that distributes the driving force of the main motor 1 to the left and right driving wheels 4 by the differential device 2, it has a sub-motor 3 that can generate braking force and driving force to the left and right driving wheels 4, and the left sub-motor. The distribution of drive power is controlled by the braking or driving power of the prime mover.

直線運動を行う主原動機で差動装置２として機能する回転支持された部品で２つの作用点に駆動力を分配し、回転支持部と作用点の間に副原動機を有する。 It is a rotary-supported part that functions as a differential device 2 in the primary motor that moves linearly, and distributes the driving force to two points of action, and has a secondary prime mover between the rotary support and the point of action.

自動車等の駆動力分配を制御することによって性能が向上すると考えられる装置を、より高効率な駆動や高精度な駆動力の分配を可能とし、各部に独立した原動機を搭載するよりも、各原動機の駆動力削減による小型化が見込まれる。 A device that is considered to improve performance by controlling the distribution of driving force in automobiles, etc., can be driven more efficiently and distributed with higher accuracy. It is expected that the size will be reduced by reducing the driving force.

１ 主原動機または主原動機及びに変速機
２ 差動装置
３ 副原動機または副原動機及びに変速機
４ 駆動輪
５ 作用点1 main prime mover or main prime mover and transmission 2 differential gear 3 sub prime mover or sub prime mover and transmission 4 drive wheel 5 point of action

Claims (30)

主原動機の駆動力を単一又は複数の差動装置で分配し、分配した駆動力を伝達する構造の全部又は一部に駆動力又は駆動力及びに制動力を発生することが可能な副原動機を付加した装置。 A sub-engine capable of dividing the driving force of the main engine with a single or multiple differentials and generating driving force or driving force and braking force in all or part of the structure that transmits the distributed driving force. device with the addition of 前記差動装置に差動制限機能又は差動制限装置が付随しない請求項１に記載の装置。 2. The apparatus of claim 1, wherein said differential is not associated with a limited slippage function or limited slippage device. 前記主原動機が内燃機関又は外燃機関であり、前記副原動機が電動機である請求項１に記載の装置。 2. The apparatus of claim 1, wherein said prime mover is an internal combustion engine or an external combustion engine and said secondary prime mover is an electric motor. 前記主原動機が内燃機関又は外燃機関であり、前記副原動機が電動機である請求項２に記載の装置。 3. The apparatus of claim 2, wherein said prime mover is an internal combustion engine or an external combustion engine and said secondary prime mover is an electric motor. 前記主原動機及びに前記副原動機が電動機である請求項１に記載の装置。 2. The apparatus of claim 1, wherein said prime mover and said secondary prime mover are electric motors. 前記主原動機及びに前記副原動機が電動機である請求項２に記載の装置。 3. The apparatus of claim 2, wherein said prime mover and said secondary prime mover are electric motors. 前記差動装置を複数有し、分配した駆動力を伝達する構造の一部に副原動機を付加した請求項１の装置 2. A device according to claim 1, wherein a sub-prime mover is added to a part of the structure having a plurality of said differentials and transmitting the distributed driving force. 前記差動装置を複数有し、分配した駆動力を伝達する構造の一部に副原動機を付加した請求項２の装置 3. A device according to claim 2, wherein a sub prime mover is added to a part of the structure having a plurality of said differentials and transmitting the distributed driving force. 前記差動装置を複数有し、分配した駆動力を伝達する構造の一部に副原動機を付加した請求項３の装置 4. A device according to claim 3, wherein a sub prime mover is added to a part of the structure that has a plurality of said differentials and transmits the distributed driving force. 前記差動装置を複数有し、分配した駆動力を伝達する構造の一部に副原動機を付加した請求項４の装置 5. A device according to claim 4, wherein a sub prime mover is added to a part of the structure having a plurality of said differentials and transmitting the distributed driving force. 前記差動装置を複数有し、分配した駆動力を伝達する構造の一部に副原動機を付加した請求項５の装置 6. A device according to claim 5, wherein a sub prime mover is added to a part of the structure that has a plurality of said differentials and transmits the distributed driving force. 前記差動装置を複数有し、分配した駆動力を伝達する構造の一部に副原動機を付加した請求項６の装置 7. A device according to claim 6, wherein a sub prime mover is added to a part of the structure having a plurality of said differentials and transmitting the distributed driving force. 単一の前記差動装置を有し、分配した駆動力を伝達する構造の一部に副原動機を付加した請求項１の装置 2. The apparatus of claim 1, having a single said differential and adding a secondary prime mover to the portion of the structure that transmits the distributed drive power. 単一の前記差動装置を有し、分配した駆動力を伝達する構造の一部に副原動機を付加した請求項２の装置 3. The apparatus of claim 2, having a single said differential and adding a secondary prime mover to the portion of the structure that transmits the distributed drive power. 単一の前記差動装置を有し、分配した駆動力を伝達する構造の一部に副原動機を付加した請求項３の装置 4. The apparatus of claim 3, having a single said differential and adding a secondary prime mover to the portion of the structure that transmits the distributed drive power. 単一の前記差動装置を有し、分配した駆動力を伝達する構造の一部に副原動機を付加した請求項４の装置 5. The apparatus of claim 4, having a single said differential and adding a secondary prime mover to the portion of the structure that transmits the distributed drive power. 単一の前記差動装置を有し、分配した駆動力を伝達する構造の一部に副原動機を付加した請求項５の装置 6. Apparatus according to claim 5, having a single said differential and adding a secondary prime mover to the part of the structure for transmitting the distributed drive power. 単一の前記差動装置を有し、分配した駆動力を伝達する構造の一部に副原動機を付加した請求項６の装置 7. The apparatus of claim 6, having a single said differential and adding a secondary prime mover to the portion of the structure that transmits the distributed drive power. 前記差動装置を複数有し、分配した駆動力を伝達する構造の全部に副原動機を付加した請求項１の装置 2. A device according to claim 1, wherein a sub prime mover is added to all of the structures having a plurality of said differentials and transmitting the distributed driving force. 前記差動装置を複数有し、分配した駆動力を伝達する構造の全部に副原動機を付加した請求項２の装置 3. A device according to claim 2, wherein a sub prime mover is added to all of the structures having a plurality of said differentials and transmitting the distributed driving force. 前記差動装置を複数有し、分配した駆動力を伝達する構造の全部に副原動機を付加した請求項３の装置 4. A device according to claim 3, wherein a sub prime mover is added to all of the structures having a plurality of said differentials and transmitting the distributed driving force. 前記差動装置を複数有し、分配した駆動力を伝達する構造の全部に副原動機を付加した請求項４の装置 5. A device according to claim 4, wherein a sub prime mover is added to all of the structures having a plurality of said differentials and transmitting the distributed driving force. 前記差動装置を複数有し、分配した駆動力を伝達する構造の全部に副原動機を付加した請求項５の装置 6. A device according to claim 5, wherein a sub prime mover is added to all of the structures having a plurality of said differentials and transmitting the distributed driving force. 前記差動装置を複数有し、分配した駆動力を伝達する構造の全部に副原動機を付加した請求項６の装置 7. A device according to claim 6, wherein a sub prime mover is added to all of the structures having a plurality of said differentials and transmitting the distributed driving force. 単一の前記差動装置を有し、分配した駆動力を伝達する構造の全部に副原動機を付加した請求項１の装置 2. The apparatus of claim 1, having a single said differential and adding a secondary prime mover to all of the structures for transmitting distributed drive power. 単一の前記差動装置を有し、分配した駆動力を伝達する構造の全部に副原動機を付加した請求項２の装置 3. The apparatus of claim 2, having a single said differential and adding a secondary prime mover to all of the structures for transmitting distributed drive power. 単一の前記差動装置を有し、分配した駆動力を伝達する構造の全部に副原動機を付加した請求項３の装置 4. Apparatus according to claim 3, having a single said differential and adding a secondary prime mover to all of the structures for transmitting distributed drive power. 単一の前記差動装置を有し、分配した駆動力を伝達する構造の全部に副原動機を付加した請求項４の装置 5. The apparatus of claim 4, having a single said differential and adding a secondary prime mover to all of the structures for transmitting distributed drive power. 単一の前記差動装置を有し、分配した駆動力を伝達する構造の全部に副原動機を付加した請求項５の装置 6. Apparatus according to claim 5, having a single said differential and adding a secondary prime mover to all of the structures for transmitting distributed drive power. 単一の前記差動装置を有し、分配した駆動力を伝達する構造の全部に副原動機を付加した請求項６の装置 7. The apparatus of claim 6, having a single said differential and adding a secondary prime mover to all of the structures for transmitting distributed drive power.
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006125562A (en) * 2004-10-29 2006-05-18 Toyota Motor Corp Differential gear for vehicle and vehicle having the same
JP2008089075A (en) * 2006-10-02 2008-04-17 Toyota Motor Corp Driving force distributing device for vehicle
JP2019011019A (en) * 2017-06-30 2019-01-24 トヨタ自動車株式会社 Display control device of vehicle
JP2019035419A (en) * 2017-08-10 2019-03-07 本田技研工業株式会社 Drive device for vehicle and design method of drive device for vehicle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006125562A (en) * 2004-10-29 2006-05-18 Toyota Motor Corp Differential gear for vehicle and vehicle having the same
JP2008089075A (en) * 2006-10-02 2008-04-17 Toyota Motor Corp Driving force distributing device for vehicle
JP2019011019A (en) * 2017-06-30 2019-01-24 トヨタ自動車株式会社 Display control device of vehicle
JP2019035419A (en) * 2017-08-10 2019-03-07 本田技研工業株式会社 Drive device for vehicle and design method of drive device for vehicle

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