CN203780292U - Dual-motor multi-mode dynamic coupling driving structure - Google Patents
Dual-motor multi-mode dynamic coupling driving structure Download PDFInfo
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- CN203780292U CN203780292U CN201420019309.0U CN201420019309U CN203780292U CN 203780292 U CN203780292 U CN 203780292U CN 201420019309 U CN201420019309 U CN 201420019309U CN 203780292 U CN203780292 U CN 203780292U
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Abstract
本实用新型提供一种双电机多模式动力耦合驱动结构。本实用新型采用由一号电机（15）和二号电机（3）作为系统的动力源。其中一号电机的转子和齿圈集成在一起成为齿圈转子（8），内部是一个完整的行星齿轮结构。两个电机同轴布置，锁止器（4）用来锁止太阳轮和一号电机（3）.本实用新型可以实现包括一号电机（15）单独驱动模式、一号电机制动能量回收模式、两个电机转速耦合驱动模式、两个电机转速耦合制动能量回收模式。另外，这种动力耦合结构紧凑，体积小，功率密度大，能在不改变电机（15）的主体尺寸的情况下，提高电机的输出转矩，能够满足车辆对驱动系统大转矩的需求特性，和重型车辆在空间质量有限的情况下对高功率密度的驱动系统的需求。
The utility model provides a dual-motor multi-mode power coupling drive structure. The utility model adopts No. 1 motor (15) and No. 2 motor (3) as the power source of the system. The rotor and the ring gear of the No. 1 motor are integrated together to form the ring gear rotor (8), and the inside is a complete planetary gear structure. The two motors are coaxially arranged, and the locker (4) is used to lock the sun gear and the No. 1 motor (3). The utility model can realize the independent driving mode of the No. 1 motor (15), and the braking energy recovery of the No. 1 motor mode, two motor speed coupling driving mode, two motor speed coupling braking energy recovery mode. In addition, this power coupling has a compact structure, small volume, and high power density, and can increase the output torque of the motor without changing the main body size of the motor (15), and can meet the characteristics of the vehicle's demand for high torque in the drive system , and the demand for high power density drive systems in heavy vehicles with limited space quality.
Description
Technical field
The utility model belongs to dynamic assembly component technology field, is specifically related to a kind of double-motor power couple drive assembly.
Background technology
The drive system of the heavy type electric automobile in China's motor vehicles for civilian use field mainly adopts a large motor to add the form of change-speed box at present, by the speed ratio of controlling change speed gear box, the driving torque of motor is regulated, to meet the climbing of automobile, the requirement of acceleration and maximum speed.But this drive form requires stricter to the driving bearing of large motor.Heavy-duty vehicle is operated under low speed operating mode as electric coach more, thereby causes motor to be often operated in the work area that efficiency is lower.In traditional speed-changing mechanism shift process, there will be power interruption, thereby produce the problems such as the traveling comfort that unnecessary impact and impact take.The present invention aims to provide a kind of simple in structure, compactness, and power density is large, rotating speed couple drive structure easy and simple to handle.This structure can be exported large torque actuated vehicle by a motor in the time of low vehicle speeds, under the prerequisite that meets vehicle power, keep motor to work efficiently, when high speed, system can realize the gearshift of power failure-free, and two motor speed couplings meet the need of work of high vehicle speeds.
Application number is the motor rotating speed couple drive assembly that 201010100671.7 Chinese patent discloses a kind of applicable electric coach, is made up of one group of simple planetary mechanism, two drive motor, a mechanical brake.When low speed, a motor is connected with the sun wheel of planetary mechanism, mechanical brake locking gear ring, and power is inputted by sun wheel, is exported to realize deceleration no-load voltage ratio, is exported large torque by pinion carrier; When high speed, mechanical brake release gear ring, No. one motor power inputs to sun wheel, and No. two motor powers input to the gear ring of the sun and planet gear being attached thereto, and realize the rotating speed coupling of two motor input powers by sun and planet gear; This scheme is simple in structure and reduced torque capacity and the power of separate unit motor.But exist following not enough: when high speed, the torque of a motor output is limited by the torque capacity of No. two motors.When low speed, a motor will carry out switching working mode in the time that the speed of a motor vehicle is not high, cause being often operated in Vehicular shift under vulgar vehicle speed condition frequent, affect traveling comfort.Therefore vehicle is in the time of low speed driving, and vehicle shift is frequent, and in the time running at high speed, No. one motor degree of utilization is lower.Another shortcoming is in shift process, to have torque sudden change, also affects traveling comfort.
Application number is that 201210024534.9 Chinese patent discloses a kind of double-motor coupling transmission system, is made up of one group of sun and planet gear, one group of fixed axis gear mechanism, two drive motor, a mechanical brake, two power-transfer clutchs.By can realize torque coupling output and the rotating speed coupling output of double-motor to jointly controlling of two power-transfer clutchs and a mechanical brake, and the switching before of two kinds of output modes.Power failure-free gearshift when this scheme has realized Vehicle Driving Cycle; In the time of low speed, realize large torque output by double-motor torque coupling, when high speed, be coupled and realize high rotating speed output by motor rotating speed; Be no matter in torque coupling or under rotating speed coupling, two motors all participate in work, degree of utilization is higher.But there is complicated in mechanical structure, deficiency; While switching between torque coupling mode of operation and rotating speed coupling work mode, need to manipulate two power-transfer clutchs and a mechanical brake, its linkage control device and manipulation are complicated simultaneously.
Application number is that the Chinese patent of CN201310117747.0 discloses a kind of double-motor coupling transmission system, and by two groups of planet rows, two motors and a mechanical brake composition, by realizing the torque and rotational speed coupling of system to the control of mechanical brake.In the time of low speed, realize large torque output by double-motor torque coupling, when high speed, be coupled and realize high rotating speed output by motor rotating speed; The utilization ratio of motor is high.But have complicated in mechanical structure, power density is little, the deficiency that structure is compact not.
Summary of the invention
The present invention aims to provide a kind of high power density, double-motor multi-model coupling drive configuration simple in structure, easy and simple to handle, a relatively large machine operation while realizing automobile low speed driving, output high pulling torque; When galloping, motor rotating speed coupling, exports high rotating speed; Thereby make the conventional operating mode of vehicle be operated in the efficacious workaround of motor; The power density that overcomes existing transmission system is little, complex structure, manipulates loaded down with trivial details, gearshift and has the problem of power interruption.
The object of the present invention is achieved like this:
An integrate motor (14) and No. two motors (3) are coaxially arranged.The power of an integrate motor (14) is through stator (6), pass to rotor gear ring (8) by magnetic field, the power of No. two motors (3) passes to sun wheel (10) through mechanical brake (4), the power of two motors is undertaken, after rotating speed coupling, power is passed to pinion carrier (13) by the inner planet row of rotor (8), and the power of pinion carrier (13) is passed to drive axle (11) through main reduction gear (12) by power.Mechanical brake (4) is in order to realize the switching between the various mode of operations of double-motor multi-model coupling drive configuration.This structure can reduce volume and the quality of drive system, improves the power density of system, and actv. is realized vehicle multiple-working mode and demand high power density.
Brief description of the drawings
Accompanying drawing 1 is this double-motor multi-mode power coupling drive configuration composition constructional drawing.
Detailed description of the invention
Now further illustrate by reference to the accompanying drawings.
The present invention is made up of closed-center system (1), controller (2) and controller (15), No. two motors (3), mechanical brake (4), a motor (14), main reduction gear (12) and drive axle (11).Wherein a motor (14) is made up of motor casing (5), stator (6), gear ring rotor (8), magnet steel (7), satellite gear (9), sun wheel (10), pinion carrier (13).It is characterized in that a motor (14) and No. two motors (3) are coaxially arranged.The power of a motor (14) is through stator (6), pass to rotor gear ring rotor (8) by magnetic field, the power of No. two motors (3) passes to sun wheel (10) through mechanical brake (4), the power of two motors is undertaken, after rotating speed coupling, power is passed to pinion carrier (13) by the inner planet row of rotor (8), and the power of pinion carrier (13) is passed to drive axle (11) through main reduction gear (12) by power.Mechanical brake (4) is in order to realize the switching between the various mode of operations of double-motor multi-model coupling drive configuration.
Controller (2) and controller (15) are controlled mode of operation and the power output of a motor (14) and No. two motors (3), and the power output break-make of No. two motors (3) is specifically realized by mechanical brake (4).
Can obtain the multiple-working mode of double-motor by controlling mechanical brake (4), its assembled state is as shown in table 1, wherein " 1 " represents that mechanical brake is in lockup state, " 0 " represents that mechanical brake is in released state, " M " represents that motor adopts electronic control, " G " represents that motor adopts Generation Control, and " C " expression motor cuts out.
Table 1 mode of operation
No. one motor drives mode of operation: closed-center system (1) output energy, electric machine controller (15) is operated in electric model according to a motor of driver command control (14), No. two motors (12) quit work, a motor (14) outputting power through gear ring rotor (8), satellite gear (9), pinion carrier (13), main reduction gear (12), output to drive axle (11);
A motor regenerative brake mode of operation: electric machine controller (15) is controlled a motor (14) and is operated in power generation mode, vehicle inertia torque through drive axle (11), pinion carrier (13), pass to gear ring rotor (8), electric machine controller (15) is according to the electric energy generated of a car load regenerative brake control logic motor of control (14), and to export direct current (DC) be closed-center system (1) charging.
Motor rotating speed couple drive mode of operation: closed-center system (1) output energy, mechanical brake (4) release, electric machine controller is operated in motoring condition according to a motor of driver command control (14) and No. two motors (3), and a motor (14) power exports drive axle (11) to through gear ring rotor (8), satellite gear (9), pinion carrier (13).Then No. two motors (3) power export drive axle (11) to through mechanical brake (4), sun wheel (10), pinion carrier (13);
Motor rotating speed coupling regenerative brake mode of operation a: motor of motor controller controls (14) and No. two motors (3) are operated in generating state, vehicle inertia torque is through drive axle (11), shunting output after pinion carrier (13), one No. one, route sun wheel (10), mechanical brake (4) drags No. two motors (3) rotation, the satellite gear (9) of another route sun and planet gear, drag gear ring rotor (8) rotation of No. two motors, electric machine controller (15) is according to the electric energy generated of a car load regenerative brake control logic motor of control (14) and No. two motors (12), and to export direct current (DC) be closed-center system (1) charging.
The rotor structure of a motor (14) and planet row combine and have been coupled into a gear ring rotor (8), and it can be that an overall structure can be also detachable.The inside of rotor is a complete star gear mechanism, in system matches, can, according to the demand of torque, realize and in the situation that not changing motor size of main body, increase the output torque that output shaft is pinion carrier (13) by the characteristic parameter of coupling planet row.This integration mode can improve the power density of system and the compactedness of structure greatly.
After pinion carrier (13), connecting main reduction gear and differential assembly can be for driving conventional truck.After pinion carrier (13), connect wheel, overlap these system synthesis with two and can realize bilateral individual drive, to meet the power demand of heavy-duty vehicle to high-power driving system.
No. two motors (3) can replace with traditional driving engine as propulsion source, and this Time Controller (2) no longer needs.Now this system can be operated in driving engine (3) and a motor (14) rotating speed couple drive pattern, driving engine (3) drives and a motor (14) generating mode of operation, a motor (14) is drive pattern separately, a motor regenerative brake pattern.In the time of driving engine (3) and a motor (14) rotating speed couple drive pattern, mechanical brake (4) is removed locking, driving engine (3) outputting power, electric machine controller (15) is operated in motoring condition according to a motor of driver command control (14), a motor (14) power exports drive axle (11) to through gear ring rotor (8), satellite gear (9), pinion carrier (13), and then driving engine (3) power export drive axle (11) to through mechanical brake (4), sun wheel (10), pinion carrier (13); In the time of driving engine (3) driving and a motor (14) generating mode of operation, the power of driving engine (3) is via sun wheel (10), satellite gear (9), then divide two-way, lead up to pinion carrier (13), main reduction gear passes to drive axle, the gear ring rotor of separately leading up to is delivered to motor (14), electric machine controller (15) is according to the electric energy generated of a car load regenerative brake control logic motor of control (14), and to export direct current (DC) be closed-center system (1) charging; When a motor (14), separately the service condition of drive pattern and the service condition of a motor regenerative brake pattern and the motor (14) of claim 2 is identical.
Can find out from above principle of work, the integrated couple drive structure of this double-motor multi-mode can realize single motor driving, single motor braking regenerative braking, motor rotating speed couple drive, the multiple-working mode that motor rotating speed coupling braking energy reclaims, volume is little, compact conformation, and power density is high, can meet the high-power of vehicle, the driving demand of high power density.
Claims (6)
1. a double-motor multi-mode power coupling drive configuration, by closed-center system (1), controller (2), and controller (15), No. two motors (3), mechanical brake (4), a motor (14), main reduction gear (12), and drive axle (11) composition, wherein a motor (14) is by motor casing (5), stator (6), gear ring rotor (8), magnet steel (7), satellite gear (9), sun wheel (10), pinion carrier (13) composition, is characterized in that a motor (14) and No. two motors (3) are coaxially arranged, and the power of a motor (14) is through stator (6), pass to rotor gear ring (8) by magnetic field, the power of No. two motors (3) passes to sun wheel (10) through mechanical brake (4), the power of two motors is undertaken, after rotating speed coupling, power is passed to pinion carrier (13) by the inner planet row of rotor (8), the power of pinion carrier (13) is passed to drive axle (11) through main reduction gear (12) by power, mechanical brake (4) is in order to realize the switching between the various mode of operations of double-motor multi-model coupling drive configuration, this structure can reduce volume and the quality of drive system, the power density of raising system, actv. is realized vehicle multiple-working mode and demand high power density.
2. double-motor multi-mode power coupling drive configuration according to claim 1, it is characterized in that: an electrical machine working mode is divided into a motor and drives mode of operation and an electric power generation mode of operation, under an electrical machine working mode, mechanical brake (4) locking sun wheel;
Wherein drive under mode of operation at a motor, closed-center system (1) output energy, electric machine controller (15) is operated in electric model according to a motor of driver command control (14), No. two motors (12) quit work, a motor (14) outputting power through gear ring rotor (8), satellite gear (9), pinion carrier (13), main reduction gear (12), output to drive axle (11);
Under a motor regenerative brake mode of operation, electric machine controller (15) is controlled a motor (14) and is operated in power generation mode, vehicle inertia torque through drive axle (11), pinion carrier (13), pass to gear ring rotor (8), electric machine controller (15) is according to the electric energy generated of a car load regenerative brake control logic motor of control (14), and to export direct current (DC) be closed-center system (1) charging.
3. double-motor multi-mode power coupling drive configuration according to claim 1, it is characterized in that: motor rotating speed coupling work mode is divided into rotating speed couple drive mode of operation and rotating speed coupled electricity-generation mode of operation, under rotating speed coupling work mode, mechanical brake (4) release sun wheel (10);
Motor rotating speed couple drive mode of operation, closed-center system (1) output energy, mechanical brake (4) release, electric machine controller is operated in motoring condition according to a motor of driver command control (14) and No. two motors (3), a motor (14) power exports drive axle (11) to through gear ring rotor (8), satellite gear (9), pinion carrier (13), and then No. two motors (3) power export drive axle (11) to through mechanical brake (4), sun wheel (10), pinion carrier (13);
Regenerative brake motor rotating speed coupled electricity-generation mode of operation, a motor of motor controller controls (14) and No. two motors (3) are operated in generating state, vehicle inertia torque is through drive axle (11), shunting output after pinion carrier (13), one No. one, route sun wheel (10), mechanical brake (4) drags No. two motors (3) rotation, the satellite gear (9) of another route sun and planet gear, drag gear ring rotor (8) rotation of No. two motors, electric machine controller (15) is according to the electric energy generated of a car load regenerative brake control logic motor of control (14) and No. two motors (12), and to export direct current (DC) be closed-center system (1) charging.
4. double-motor multi-mode power coupling drive configuration according to claim 1, it is characterized in that: the rotor structure of a motor (14) and planet row combine and be coupled into a gear ring rotor (8), it can be that an overall structure can be also detachable, the inside of rotor is a complete sun and planet gear, can be according to the demand of torque in system matches, realize and in the situation that not changing motor size of main body, increase the output torque that output shaft is pinion carrier (13) by the characteristic parameter of coupling planet row, this integration mode can improve the power density of system and the compactedness of structure greatly.
5. double-motor multi-mode power coupling drive configuration according to claim 1, it is characterized in that: after pinion carrier (13), connecting main reduction gear and differential assembly can be for driving conventional truck, after pinion carrier (13), connect wheel, can realize bilateral individual drive with this system synthesis of two covers, to meet the power demand of heavy-duty vehicle to high-power driving system.
6. double-motor multi-mode power coupling drive configuration according to claim 1, it is characterized in that: No. two motors (3) can replace with traditional driving engine as propulsion source, this Time Controller (2) no longer needs, now this system can be operated in driving engine (3) and a motor (14) rotating speed couple drive pattern, driving engine (3) drives and a motor (14) generating mode of operation, a motor (14) is drive pattern separately, a motor regenerative brake pattern;
When driving engine (3) and a motor (14) rotating speed couple drive pattern, mechanical brake (4) is removed locking, and power transfer path when power operated bang path drives with two motors in claim 3 is identical;
When driving engine (3) driving and a motor (14) generating mode of operation, the power of driving engine (3) is via sun wheel (10), satellite gear (9), then divide two-way, lead up to pinion carrier (13), main reduction gear passes to drive axle, the gear ring rotor of separately leading up to is delivered to motor (14), electric machine controller (15) is according to the electric energy generated of a car load regenerative brake control logic motor of control (14), and to export direct current (DC) be closed-center system (1) charging;
The service condition of the independent drive pattern of a motor (14) and the service condition of a motor regenerative brake pattern and the motor (14) of claim 2 is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420019309.0U CN203780292U (en) | 2014-01-13 | 2014-01-13 | Dual-motor multi-mode dynamic coupling driving structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420019309.0U CN203780292U (en) | 2014-01-13 | 2014-01-13 | Dual-motor multi-mode dynamic coupling driving structure |
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| CN203780292U true CN203780292U (en) | 2014-08-20 |
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| CN201420019309.0U Expired - Fee Related CN203780292U (en) | 2014-01-13 | 2014-01-13 | Dual-motor multi-mode dynamic coupling driving structure |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103754099A (en) * | 2014-01-13 | 2014-04-30 | 北京理工大学 | Double-motor multi-mode dynamic coupling driving assembly |
| CN106224471A (en) * | 2016-08-05 | 2016-12-14 | 宋宝玲 | Planet is distributed to dislocation or to coaxial many motor gear box |
| CN106882026A (en) * | 2017-03-30 | 2017-06-23 | 北京理工大学 | A kind of bi-motor is without synchronous many gear dynamic coupling device and its control methods |
| CN108340760A (en) * | 2017-01-19 | 2018-07-31 | 台州双擎动力科技有限公司 | A kind of pure electric vehicle power assembly system |
| WO2019085884A1 (en) * | 2017-10-31 | 2019-05-09 | 罗灿 | Electromagnetic force torque converter |
| CN111043261A (en) * | 2019-12-31 | 2020-04-21 | 泰安宏辉机械有限公司 | Double-transmission planetary mechanism |
| CN116094246A (en) * | 2023-03-02 | 2023-05-09 | 湖南大学 | A dual-motor drive system and its control method |
-
2014
- 2014-01-13 CN CN201420019309.0U patent/CN203780292U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103754099A (en) * | 2014-01-13 | 2014-04-30 | 北京理工大学 | Double-motor multi-mode dynamic coupling driving assembly |
| CN106224471A (en) * | 2016-08-05 | 2016-12-14 | 宋宝玲 | Planet is distributed to dislocation or to coaxial many motor gear box |
| CN108340760A (en) * | 2017-01-19 | 2018-07-31 | 台州双擎动力科技有限公司 | A kind of pure electric vehicle power assembly system |
| CN106882026A (en) * | 2017-03-30 | 2017-06-23 | 北京理工大学 | A kind of bi-motor is without synchronous many gear dynamic coupling device and its control methods |
| CN106882026B (en) * | 2017-03-30 | 2023-07-04 | 北京理工大学 | A dual-motor non-synchronous multi-speed power coupling device and its control method |
| WO2019085884A1 (en) * | 2017-10-31 | 2019-05-09 | 罗灿 | Electromagnetic force torque converter |
| CN111043261A (en) * | 2019-12-31 | 2020-04-21 | 泰安宏辉机械有限公司 | Double-transmission planetary mechanism |
| CN116094246A (en) * | 2023-03-02 | 2023-05-09 | 湖南大学 | A dual-motor drive system and its control method |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20180113 |
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| CF01 | Termination of patent right due to non-payment of annual fee |