CN102975607A - Hybrid electric vehicle (HEV) drive and transmission system with asymmetric type planetary bevel gear mechanism as power coupling device - Google Patents
Hybrid electric vehicle (HEV) drive and transmission system with asymmetric type planetary bevel gear mechanism as power coupling device Download PDFInfo
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- CN102975607A CN102975607A CN2012104314600A CN201210431460A CN102975607A CN 102975607 A CN102975607 A CN 102975607A CN 2012104314600 A CN2012104314600 A CN 2012104314600A CN 201210431460 A CN201210431460 A CN 201210431460A CN 102975607 A CN102975607 A CN 102975607A
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Abstract
The invention discloses a hybrid electric vehicle (HEV) drive and transmission system with an asymmetric type planetary bevel gear mechanism as a power coupling device. The HEV drive and transmission system with the asymmetric type planetary bevel gear mechanism as the power coupling device comprises an engine, a first motor, a second motor, the asymmetric type planetary bevel gear mechanism, a power storage battery, an HEV power control unit, a first inverter, a second inverter and a brake. The first motor is used for inputting power from a bevel gear shaft and outputting the power to the bevel gear shaft, the second motor is used for inputting power from a planetary gear mechanism shell and outputting the power to the planetary gear mechanism shell, the asymmetric type planetary bevel gear mechanism is used for power coupling of the engine and the two motors, the power storage battery is used for supplying electric power to the two motors and receiving the electric power from the two motors, and the HEV power control unit is used for controlling the operation of the two motors and the engine. The HEV drive and transmission system with the asymmetric type planetary bevel gear mechanism as the power coupling device has the advantages that the problem that an HEV vehicle is provided with double power inputs and a single power output is solved, the function of deep HEV engine idling start-stop, the function of regenerative braking, the function of engine working point adjustment and other functions can be achieved, and vehicle fuel economy is improved.
Description
Technical field
The present invention relates to a kind of driving and driving system of motor vehicle driven by mixed power, be specifically related to a kind of with hybrid vehicle driving and the driving system of asymmetric bevel planet gear mechanism as dynamic coupling device.
Background technology
Traditional combustion engine automobile energy consumption is high, pollution is large, and for reaching energy-conservation and purpose environmental protection, hybrid vehicle arises at the historic moment, and hybrid power system becomes its core component.Hybrid power system generally is comprised of a driving engine, one to two motor and a power coupling mechanism.For adopting a driving engine and an electric machine mixed power system, its power coupling mechanism is generally based on parallel shafts or coaxial type scheme.For the hybrid power system that adopts a driving engine and two motors, its power coupling mechanism generally adopts common cylinder helical wheel planetary mechanism, and representative instance is the THS hybrid power system of the PRIUS of Toyota hybrid power car, its structure relative complex.
Symmetrical expression bevel planet gear mechanism and common cylinder helical wheel planetary mechanism are two-freedom mechanism.Unique when definite when two input (going out) rotating speed, the 3rd rotating speed can uniquely be determined.This mechanism can realize controlling by motor speed, thereby realize the engine speed adjusting, make driving engine under each operating mode, operate in as far as possible efficient district, thereby symmetrical expression bevel planet gear mechanism in theory also is feasible as the hybrid electric vehicle power coupling mechanism.Simultaneously, compared to the PRIUS of Toyota cylindric spiral gear planetary mechanism, take symmetrical expression bevel planet gear mechanism as dynamic coupling device, has advantage simple in structure, easy to manufacture.But the two mouth torques of symmetrical expression bevel planet gear mechanism equate, are respectively half of input end torque, this characteristic limitations parameter matching and the optimization between driving engine and two motors.
Summary of the invention
The invention provides a kind of with hybrid vehicle driving and the driving system of asymmetric bevel planet gear mechanism as dynamic coupling device, existing symmetrical expression bevel planet gear mechanism structure advantage simple, easy to manufacture, can remedy again the deficiency that symmetrical expression bevel planet gear mechanism torque distribution equates, solve hybrid vehicle two motor powers and engine power coupled problem, realize the functions such as the start and stop of deep hybrid power automobile engine idle, regenerative braking and engine working point adjusting, improve Vehicle Economy.
In order to solve above technical matters, the invention provides and a kind ofly drive and driving system as the hybrid vehicle of dynamic coupling device with asymmetric bevel planet gear mechanism, comprise a driving engine; From the small coning gear shaft input power with to the first motor of small coning gear shaft outputting power; From sun and planet gear housing input power with to the second motor of sun and planet gear housing outputting power; The asymmetric bevel planet gear mechanism that is used for driving engine and two motor power couplings; Electric energy is provided and receives the power accumulator of electric energy from two motors to two motors; The hybrid electric vehicle power control unit that is used for two motors of control and driving engine operation; And first inverter, the second inverter and drg.
Described asymmetric bevel planet gear mechanism comprises bevel gear wheel, bevel pinion, planetary wheel, compensating-gear shaft, asymmetric bevel planet gear mechanism shell and mechanism shell driving gear; Bevel gear wheel and bevel pinion are coaxial, its axle journal is supported on asymmetric bevel planet gear mechanism shell by bearing respectively, compensating-gear shaft and asymmetric bevel planet gear mechanism shell connect firmly, cone planetary gear of each planetary wheel shaft neck come-up cover, the cone planetary gear star gear wheel shaft axis that detours rotates, cone planetary gear is meshed with bevel gear wheel and bevel pinion simultaneously, and asymmetric bevel planet gear mechanism shell is connected mutually with the mechanism shell driving gear.
The housing of described the first motor is fixed on the vehicle frame front end, and the first rotor is by gear pair or directly be connected with asymmetric bevel planet gear mechanism small coning gear shaft driven gear.
The housing of described the second motor is fixed on the vehicle frame rear end, and the second rotor meshes by gear pair and asymmetric bevel planet gear mechanism shell driven gear, and is connected with power take-off shaft.
The cylinder body of described driving engine is fixed on the vehicle frame, and engine crankshaft is connected with asymmetric bevel planet gear mechanism large bevel gear shaft.
Described brake disc connects firmly mutually with engine crankshaft, and the drg braking maneuver is controlled by the hybrid electric vehicle power control unit.
Described hybrid electric vehicle power control unit and driving engine, the first motor, the second motor, the first inverter, the second inverter and power accumulator are by electrical connection.
Described hybrid electric vehicle power control unit is judged operating mode according to throttle opening in conjunction with the speed of a motor vehicle, control engine, the first motor and the operational mode of the second motor under different operating modes.
Superior effect of the present invention is: the power coupling problem that has solved hybrid electric vehicle engine and the first motor, the second motor, and realized the difference of asymmetric bevel planet gear mechanism two mouths output torque, be that the most of torque of driving engine is exported by bevel gear wheel, be used for driving vehicle operating, the fraction torque is exported by bevel pinion, is used for electric power generation.By controlling the realization of the first motor to the speed governing of driving engine, make driving engine operate in efficient district, improved the economy of vehicle.Can realize the torque of axle drive shaft is controlled and control the second motor, guarantee the dynamic property of vehicle.Can control the first motor during car brakeing, the second motor reclaims electric energy simultaneously, has further improved the economy of vehicle.This hybrid electric drive system, simple in structure, characteristics of compact layout, strong adaptability, efficient is high.
Description of drawings
Fig. 1 is structural representation of the present invention;
The number in the figure explanation
The 1-bevel gear wheel; The 2-bevel pinion;
The 3-planetary wheel; The 4-compensating-gear shaft;
5-asymmetric bevel planet gear mechanism shell; The 6-large bevel gear shaft;
The 7-small coning gear shaft; 8-small coning gear shaft driving gear;
9-small coning gear shaft driven gear; 10-the first motor internal rotor;
11-mechanism shell driving gear; 12-mechanism shell driven gear;
The 13-power accumulator; 14-the first inverter;
15-the second inverter; The 16-driving engine;
17-hybrid electric vehicle power control unit; The 18-power take-off shaft;
The 19-drg; The 2O-brake disc;
21-the first motor; 22-the second motor;
23-asymmetric bevel planet gear mechanism; The 24-diff;
25-vehicle left half axle; 26-vehicle left wheel;
The 27-motor vehicle driven by mixed power; 28-vehicle right axle shaft;
The right wheel of 29-vehicle.
The specific embodiment
See also shown in the accompanying drawing, the invention will be further described.
As shown in Figure 1, the invention provides and a kind ofly drive and driving system as the hybrid vehicle of dynamic coupling device with asymmetric bevel planet gear mechanism, comprise a driving engine 16; From the small coning gear shaft input power with to the first motor 21 of small coning gear shaft outputting power; From sun and planet gear housing input power with to the second motor 22 of sun and planet gear housing outputting power; The asymmetric bevel planet gear mechanism 23 that is used for driving engine 16 and the first motor 21, the second motor 22 power couplings; Electric energy is provided and receives the power accumulator 13 of electric energy from two motors to the first motor 21, the second motor 22; The hybrid electric vehicle power control unit PCU17 that is used for control the first motor 21, the second motor 22 and driving engine 16 operations; And first inverter 14, the second inverter 15 and drg 19.
Described asymmetric bevel planet gear mechanism 23 comprises bevel gear wheel 1, bevel pinion 2, planetary wheel 3, compensating-gear shaft 4, asymmetric bevel planet gear mechanism shell 5 and mechanism shell driving gear 11; Bevel gear wheel 1 and bevel pinion 2 are coaxial, and its axle journal is supported on asymmetric bevel planet gear mechanism shell 5 by bearing respectively; Bevel pinion 2 is connected with small coning gear shaft driving gear 8 by small coning gear shaft 7, and bevel pinion 2 is meshed with planetary wheel 3 simultaneously; Bevel gear wheel 1 is connected with engine crankshaft by large bevel gear shaft 6, and bevel gear wheel 1 is meshed with planetary wheel 3 simultaneously; Planetary wheel 3 empty boastings are on compensating-gear shaft 4 and the star gear wheel shaft 4 axis rotation of can detouring, and compensating-gear shaft 4 connects firmly with asymmetric bevel planet gear mechanism shell 5, and asymmetric bevel planet gear mechanism shell 5 is connected mutually with mechanism shell driving gear 11.The number of teeth of bevel gear wheel 1 is Z1, and the number of teeth of bevel pinion 2 is Z2, and then when asymmetric bevel planet gear mechanism stress balance, bevel gear wheel 1 output torque T1 is Z1/Z2 with the ratio of bevel pinion 2 output torque T2.Z1/Z2=2 in the present embodiment, then bevel gear wheel 1 output torque T1 is the twice of bevel pinion 2 output torque T2, i.e. T1/T2=2.
The power of driving engine 16 inputs to asymmetric bevel planet gear mechanism 23 through large bevel gear shaft 6 and bevel gear wheel 1 successively, and brake disc 20 is fixed on the large bevel gear shaft 6, and drg 19 can be realized braking to driving engine 16 by braking brake disc 20.
The housing of described the first motor 21 is fixed on the vehicle frame front end, and the first rotor 10 is connected with small coning gear shaft driven gear 9, small coning gear shaft driven gear 9 and 8 engagements of small coning gear shaft driving gear.Sun and planet gear 21 power input to the first motor 21 through bevel pinion 2, small coning gear shaft driving gear 8, small coning gear shaft driven gear 9, the first motor internal rotor 10 successively, and power also can export asymmetric bevel planet gear mechanism 23 to from the first motor 21 along same paths.
The second motor 22 housings are fixed on the vehicle frame rear end, and internal rotor is connected with power take-off shaft 18, and mechanism shell driving gear 11 adopts the bevel-gear pair mode to mesh with mechanism shell driven gear 12.Power is by 23 outputs of asymmetric bevel planet gear mechanism, export power take-off shaft 18 to through asymmetric bevel planet gear mechanism shell 5, mechanism shell driving gear 11, mechanism shell driven gear 12, after the power stack of the second motor 22 output, export diff 24 to, and then export left wheel 26 and right wheel 29 to by left half axle 25 and right axle shaft 28.Power also can be along same paths from left wheel 26 and right wheel 29 input to the second motor 22 and asymmetric bevel planet gear mechanism 23.
The first motor 21 and the second motor 22 are synchronous generator-motor, can be driven as electrical generator and electrical motor.The first motor 21 and the second motor 22 charge to power accumulator 13 by the first inverter 14 and the second inverter 15 respectively, and power accumulator 13 also can be along same paths to the first motor 21 and 22 discharges of the second motor.The first inverter 14 be connected inverter 15 and share positive electrode bus and be connected with power accumulator 13 with the negative pole bus, this connection mode allows the electric energy of another motor generation of electrical consumption in the first motor 21 and the second motor 22.Power accumulator 13 perhaps discharges to replenish the deficiency of the first motor 21 and the second motor 22 electric energy by the excessive amount of electrical energy charging of the first motor 21 and the second motor 22.When the first motor 21 was equal with the electric energy that consumes with 22 generations of the second motor, power accumulator neither charged and does not also discharge.
The cylinder body of described driving engine 16 is fixed on the vehicle frame, and engine crankshaft is connected with asymmetric bevel planet gear mechanism large bevel gear shaft 6.
Described brake disc 20 connects firmly mutually with driving engine 16 bent axles, and drg 19 braking maneuvers are controlled by hybrid electric vehicle power control unit PCU17.
Described hybrid electric vehicle power control unit PCU17 and driving engine 16, the first motor 21, the second motor 22, the first inverter 14, the second inverter 15 and power accumulator 13 are by electrical connection.
Described hybrid electric vehicle power control unit PCU17 judges operating mode according to throttle opening in conjunction with the speed of a motor vehicle, control engine 16, the first motor 21 and the operational mode of the second motor 22 under different operating modes.
The below selects a kind of program analysis to illustrate that this hybrid vehicle drives and the feasibility of driving system.
When asymmetric bevel planet gear mechanism 23 stress balance, driving engine 16 output level of torque are T, and the level of torque that then is delivered to bevel gear wheel 1 is T.The level of torque that bevel pinion 2 provides is 0.5T, and then the level of torque of the first motor 21 internal rotors 10 is T, and the level of torque of sun and planet gear housing 5 is 1.5T, i.e. the level of torque of the second motor 22 internal rotors acceptance is 1.5T.The pass of sun and planet gear housing 5 rotational speed N 3, bevel gear wheel 1 rotational speed N 1 and bevel pinion 2 rotational speed N 2 is:
N1*Z1+N2*Z2=N3*(Z1+Z2)
Consider the reduction ratio of small coning gear shaft driving gear 8 and bevel pinion driven gear 9, can be regarded as to such an extent that the pass of driving engine 16 rotational speed N e, the first motor 21 rotational speed N 1 and the second motor 22 rotational speed N 2 is:
2*N1*Z2+Ne*Z1=N2*(Z1+Z2)
Consider the start-up course of driving engine 16 when pure electricity driving and hybrid power drive the operating mode switching, driving engine 16 range of speeds are 0-4600r/min, the range of speed of the second motor 22 is 0-3350r/min, can calculate to such an extent that the range of speed of the first motor 21 is-4600-5025r/min.
By above analysis as can be known, the first motor 21 and the second motor 22 range of speeds meet conventional range of motor speeds, and engine speed range is reasonable; Under the S-S condition, the level of torque of inputting the first motor 21 is close with the motor torque size, and the level of torque of input power output shaft 18 is 1.5 times of driving engine 16 level of torque.The present invention can satisfy the operating needs of hybrid vehicle under different operating modes.
Above-described embodiment only is explanation some principle of the present invention and practical application, and should not be construed as restricted.May there be a lot of variation in above-described embodiment in the scope of principal character according to the invention and spirit, be the scope that the present invention protects.
Claims (8)
1. one kind drives and driving system as the hybrid vehicle of dynamic coupling device with asymmetric bevel planet gear mechanism, it is characterized in that: comprise a driving engine;
From the small coning gear shaft input power with to the first motor of small coning gear shaft outputting power;
From sun and planet gear housing input power with to the second motor of sun and planet gear housing outputting power;
The asymmetric bevel planet gear mechanism that is used for driving engine and two motor power couplings;
Electric energy is provided and receives the power accumulator of electric energy from two motors to two motors;
The hybrid electric vehicle power control unit that is used for two motors of control and driving engine operation; And first inverter, the second inverter and drg.
2. according to claim 1ly drive and driving system as the hybrid vehicle of dynamic coupling device with asymmetric bevel planet gear mechanism, it is characterized in that: described asymmetric bevel planet gear mechanism comprises bevel gear wheel, bevel pinion, planetary wheel, compensating-gear shaft, asymmetric bevel planet gear mechanism shell and mechanism shell driving gear; Bevel gear wheel and bevel pinion are coaxial, its axle journal is supported on asymmetric bevel planet gear mechanism shell by bearing respectively, compensating-gear shaft and asymmetric bevel planet gear mechanism shell connect firmly, cone planetary gear of each planetary wheel shaft neck come-up cover, the cone planetary gear star gear wheel shaft axis that detours rotates, cone planetary gear is meshed with bevel gear wheel and bevel pinion simultaneously, and asymmetric bevel planet gear mechanism shell is connected mutually with the mechanism shell driving gear.
3. according to claim 1 with hybrid vehicle driving and the driving system of asymmetric bevel planet gear mechanism as dynamic coupling device, it is characterized in that: the housing of described the first motor is fixed on the vehicle frame front end, and the first rotor is by gear pair or directly be connected with asymmetric bevel planet gear mechanism small coning gear shaft driven gear.
4. according to claim 1 with hybrid vehicle driving and the driving system of asymmetric bevel planet gear mechanism as dynamic coupling device, it is characterized in that: the housing of described the second motor is fixed on the vehicle frame rear end, the second rotor meshes by gear pair and asymmetric bevel planet gear mechanism shell driven gear, and is connected with power take-off shaft.
5. according to claim 1 with hybrid vehicle driving and the driving system of asymmetric bevel planet gear mechanism as dynamic coupling device, it is characterized in that: the cylinder body of described driving engine is fixed on the vehicle frame, and engine crankshaft is connected with asymmetric bevel planet gear mechanism large bevel gear shaft.
6. according to claim 1 with hybrid vehicle driving and the driving system of asymmetric bevel planet gear mechanism as dynamic coupling device, it is characterized in that: described brake disc connects firmly mutually with engine crankshaft, and the drg braking maneuver is controlled by the hybrid electric vehicle power control unit.
7. according to claim 1 with hybrid vehicle driving and the driving system of asymmetric bevel planet gear mechanism as dynamic coupling device, it is characterized in that: described hybrid electric vehicle power control unit and driving engine, the first motor, the second motor, the first inverter, the second inverter and power accumulator are by electrical connection.
8. according to claim 1 with hybrid vehicle driving and the driving system of asymmetric bevel planet gear mechanism as dynamic coupling device, it is characterized in that: described hybrid electric vehicle power control unit is judged operating mode according to throttle opening in conjunction with the speed of a motor vehicle, control engine, the first motor and the operational mode of the second motor under different operating modes.
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| CN2012104314600A CN102975607A (en) | 2012-11-02 | 2012-11-02 | Hybrid electric vehicle (HEV) drive and transmission system with asymmetric type planetary bevel gear mechanism as power coupling device |
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| CN2012104314600A CN102975607A (en) | 2012-11-02 | 2012-11-02 | Hybrid electric vehicle (HEV) drive and transmission system with asymmetric type planetary bevel gear mechanism as power coupling device |
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Cited By (17)
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| US9421966B2 (en) | 2014-10-20 | 2016-08-23 | Byd Company Limited | Hybrid vehicle and shifting control method and power transmission system thereof |
| US9568082B2 (en) | 2014-01-30 | 2017-02-14 | Byd Company Limited | Power transmission system for vehicle and vehicle comprising the same |
| US9568080B2 (en) | 2014-01-30 | 2017-02-14 | Byd Company Limited | Power transmission system for vehicle and vehicle comprising the same |
| US9568081B2 (en) | 2014-01-30 | 2017-02-14 | Byd Company Limited | Power transmission system for vehicle and vehicle comprising the same |
| US9566978B2 (en) | 2014-01-30 | 2017-02-14 | Byd Company Limited | Vehicle and drive control method for the same |
| US9568066B2 (en) | 2014-09-10 | 2017-02-14 | Byd Company Limited | Power transmission system and vehicle comprising the same |
| US9568065B2 (en) | 2014-09-10 | 2017-02-14 | Byd Company Limited | Transmission unit, power transmission system and vehicle comprising the same |
| US9874266B2 (en) | 2014-09-10 | 2018-01-23 | Byd Company Limited | Power transmission system and vehicle comprising the same |
| US9919699B2 (en) | 2014-01-30 | 2018-03-20 | Byd Company Limited | Vehicle and method for controlling synchronizer of the same |
| US9944165B2 (en) | 2014-01-30 | 2018-04-17 | Byd Company Limited | Power transmission system for vehicle and vehicle comprising the same |
| US10363806B2 (en) | 2014-01-30 | 2019-07-30 | Byd Company Limited | Power transmission system for vehicle and vehicle comprising the same |
| CN110525418A (en) * | 2019-07-31 | 2019-12-03 | 北京汽车股份有限公司 | Hybrid power energy recycling system, method and automobile |
| US10670123B2 (en) | 2014-01-30 | 2020-06-02 | Byd Company Limited | Power transmission system for vehicle and vehicle comprising the same |
| CN111469650A (en) * | 2020-05-28 | 2020-07-31 | 格特拉克（江西）传动系统有限公司 | Hybrid power driving system, control method and vehicle |
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| WO2021169820A1 (en) * | 2020-02-26 | 2021-09-02 | 赛格威科技有限公司 | Engine system and all-terrain vehicle |
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| US9919699B2 (en) | 2014-01-30 | 2018-03-20 | Byd Company Limited | Vehicle and method for controlling synchronizer of the same |
| US9568080B2 (en) | 2014-01-30 | 2017-02-14 | Byd Company Limited | Power transmission system for vehicle and vehicle comprising the same |
| US10670123B2 (en) | 2014-01-30 | 2020-06-02 | Byd Company Limited | Power transmission system for vehicle and vehicle comprising the same |
| US9568081B2 (en) | 2014-01-30 | 2017-02-14 | Byd Company Limited | Power transmission system for vehicle and vehicle comprising the same |
| US9944165B2 (en) | 2014-01-30 | 2018-04-17 | Byd Company Limited | Power transmission system for vehicle and vehicle comprising the same |
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| US9566978B2 (en) | 2014-01-30 | 2017-02-14 | Byd Company Limited | Vehicle and drive control method for the same |
| US10363806B2 (en) | 2014-01-30 | 2019-07-30 | Byd Company Limited | Power transmission system for vehicle and vehicle comprising the same |
| US9568066B2 (en) | 2014-09-10 | 2017-02-14 | Byd Company Limited | Power transmission system and vehicle comprising the same |
| US9568065B2 (en) | 2014-09-10 | 2017-02-14 | Byd Company Limited | Transmission unit, power transmission system and vehicle comprising the same |
| US9874266B2 (en) | 2014-09-10 | 2018-01-23 | Byd Company Limited | Power transmission system and vehicle comprising the same |
| US9421966B2 (en) | 2014-10-20 | 2016-08-23 | Byd Company Limited | Hybrid vehicle and shifting control method and power transmission system thereof |
| CN110525418A (en) * | 2019-07-31 | 2019-12-03 | 北京汽车股份有限公司 | Hybrid power energy recycling system, method and automobile |
| WO2021169820A1 (en) * | 2020-02-26 | 2021-09-02 | 赛格威科技有限公司 | Engine system and all-terrain vehicle |
| US11999238B2 (en) | 2020-02-26 | 2024-06-04 | Segway Technology Co., Ltd. | Engine system and all-terrain vehicle |
| CN111469650A (en) * | 2020-05-28 | 2020-07-31 | 格特拉克（江西）传动系统有限公司 | Hybrid power driving system, control method and vehicle |
| CN111469649A (en) * | 2020-05-28 | 2020-07-31 | 格特拉克（江西）传动系统有限公司 | Hybrid power driving system, control method and vehicle |
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Application publication date: 20130320 |