The electric hybrid-electric car multi-mode actuating device of oil
Technical field
The utility model relates to automobile driving system, particularly relates to the electric hybrid-electric car multi-mode of a kind of oil actuating device, and this actuating device can be realized multiple pure motorized motions pattern.
Technical background
Because global energy reduces and the aggravation of environmental pollution day by day, electronlmobil becomes the focus that people pay close attention to.Compare with traditional combustion engine, electronlmobil traction electric machine has wider operating range, and during motor low speed when permanent torque and high speed the characteristic of permanent power be more suitable for vehicle operating demand.In recent years, power-driven system and the mode of operation thereof for electronlmobil become study hotspot.Especially the volume production that fertile indigo plant reaches has more started the agitation of one research electronlmobil drive pattern.
Volt is the plug-in oil and electricity hybrid vehicle (PHEV) under General Motors Chev brand, and its driving system comprises: two electrical motor (main motor M
1, electrical motor M
2), two power-transfer clutchs, a drg and a compound planet gear.Planetary wheel is comprised of planetary ring gear, Ring gear, planetary gear carrier, main motor M
1be connected with sun wheel (driving link), planetary gear carrier outputs power to front axle differential by transmission device, and then passes to wheel, drives running car.Wherein drg B is for pinning the planetary ring gear on compound planet gear, and a power-transfer clutch makes planetary ring gear and electrical motor M
2be connected, this power-transfer clutch makes explosive motor and electrical motor M
2be connected, increase the continual mileage of vehicle.This drive system makes automobile have the single motor drive mode of low speed, high speed Dual-motors Driving pattern, parallel high-speed Dual-motors Driving pattern, increase Cheng Danyi motor drive mode, five kinds of main operation modes of series parallel type list motor drive mode.But the operation mode of this driving system is also relatively less.
Utility model content
The purpose of this utility model is to realize the electric hybrid-electric car multi-mode of a kind of oil actuating device, and the electric-only mode of this power-driven system has two kinds of transmitting ratios, can realize velocity ratio and be one transmission of power, and also can realizing slows down increases torque forces transmission; When driving engine and the common drive pattern of motor, can realize speed-regulating function.
In order to realize above-mentioned utility model object, the utility model adopts following technical scheme:
The electric hybrid-electric car multi-mode of an oil actuating device, comprises driving engine, the first motor, the second motor, planetary mechanism, first clutch, second clutch, drg, electric machine controller, ECU, drive axle, semiaxis and wheel; Planetary mechanism comprises sun wheel, pinion carrier and gear ring; Described second motor one end is connected with driving engine, and the other end is connected with the second rotor axis of electric; One end of first clutch is connected with the second rotor axis of electric, and the other end is connected with gear ring by driving device; The first motor is connected with sun wheel with second clutch respectively by the first motor shaft, and second clutch is connected with gear ring; Drg is connected with gear ring; Pinion carrier is connected with drive axle, and drive axle is connected with two wheels respectively by two semiaxis; ECU is connected with electric machine controller, and electric machine controller is connected with the second motor with the first motor respectively, and ECU is also connected with first clutch, second clutch and drg respectively.
For further realizing the utility model object, preferably, described driving device comprises the first gear, the second gear, tween drive shaft and the 3rd gear; The other end of first clutch is connected with the first gear by adapter shaft, the first gear and the engagement of the second gear; The second gear is connected with tween drive shaft, and tween drive shaft is also connected with the 3rd gear, the 3rd gear and gear ring external toothing.
Described first clutch and second clutch all adopt hydraulic pressure clutch with multiple laminated disc, and drg adopts hydraulic pressure multi-plate brake.
Described driving device is the 3rd gear, and the other end of first clutch is by the 3rd gear and gear ring external toothing.
Described first clutch is connected with adapter shaft, and adapter shaft is also connected with the first gear, the first gear and the engagement of the second gear; The second gear is connected with the second rotor axis of electric.
Described first clutch and second clutch all adopt hydraulic frictional lamella clutch; Drg adopts hydraulic frictional chip drg.
Described first clutch adopts hydraulic pressure clutch with multiple laminated disc, and second clutch adopts diaphragm-spring clutch, and drg adopts caliper disk brake.
Described first clutch adopts hydraulic pressure clutch with multiple laminated disc, and second clutch adopts hydraulic frictional lamella clutch, and drg adopts caliper disk brake.
Described first clutch adopts hydraulic pressure clutch with multiple laminated disc, and second clutch adopts magnetic clutch, and drg adopts caliper disk brake.
The power of the utility model the first motor is enough large, can travel by pure electric drive mode independent drive vehicles, and driving engine E and the second motor form power generating system.
Power-transfer clutch of the present utility model is preferably diaphragm spring type, can be also hydraulic frictional chip or magnetic clutch.
Drg of the present utility model is preferably caliper disk brake.
Driving of the present utility model can be hydraulic-driven, air pressure drives or motor-driven mechanism.
The sun wheel of the utility model planetary mechanism is connected with the first rotor axis of electric, and pinion carrier is connected with drive axle as mouth, by transmission of power to left and right wheels; Drg is connected with the gear ring of planetary mechanism as braking element, with this, controls the element motion of planetary mechanism.This power-driven system is used in conjunction with and can be realized pure motor driving and motor, driving engine couple drive pattern by planetary mechanism, power-transfer clutch and drg.Can make the sun wheel number of teeth is z
1, radius is r
1, rotating speed is n
1; The gear ring number of teeth is z
2, radius is r
2, rotating speed is n
2, the rotating speed of pinion carrier is n
3.If α=z
2/ z
1=r
2/ r
1, single planetary wheel laws of motion are n
1+ α n
2-(1+ α) n
3=0, by combination and the disconnection of control clutch, drg, the pattern of oily electric hybrid-electric car multi-mode actuating device has several as follows.
(1) when first clutch disconnection, second clutch combination, drg disconnect, the rotor shaft of the first motor and planetary mechanism gear ring are rigidly connected, and power is exported to drive axle through pinion carrier by 1:1;
(2) when first clutch disconnects, second clutch disconnects, drg in conjunction with time, the gear ring of planetary mechanism is braked, power is exported through pinion carrier, transmitting ratio is 1+ α, is deceleration transmission;
(3), when first clutch combination, second clutch disconnection, drg disconnect, the first motor and engine power coupling are exported to drive axle by pinion carrier, according to the parameter difference of planetary mechanism gear ring, sun wheel, can realize speed-regulating function;
(4) when first clutch combination, second clutch combination, drg disconnect, the first motor and driving engine drive wheel jointly, and power is exported to drive axle through pinion carrier.
(5) when the first rotor axis of electric idle running, when first clutch combination, second clutch combination, drg disconnect, sun wheel and the gear ring of planetary mechanism are rigidly connected, and power is exported to drive axle through pinion carrier, realizes pure engine drive pattern.
(6) when the first rotor axis of electric reversion, when first clutch disconnection, second clutch combination, drg disconnect, drive system realizes reverses gear, and speed ratio is 1; If first clutch disconnects with second clutch, drg is combined, the speed ratio that this system is reversed gear is 1+ α.
(7) during automobile brake, first clutch disconnects, and motor controller controls motor produces lock torque, if second clutch disconnects in conjunction with, drg, lock torque is exported to drive axle by 1:1 through pinion carrier, brake wheel; If second clutch disconnects, drg combination, lock torque increase 1+ α doubly exports to drive axle by pinion carrier, brake wheel.In Motor Vehicle Braking Procedure, electrical motor M
1become electrical generator to batteries charging, realize braking energy and reclaim.
With respect to prior art, advantage of the present utility model:
The electric-only mode of the electric hybrid-electric car multi-mode actuating device of the utility model oil has two kinds of transmitting ratios, can realize velocity ratio and be one transmission of power, and also can realizing slows down increases torque forces transmission; When driving engine and the common drive pattern of motor, can realize speed-regulating function.
Accompanying drawing explanation
Fig. 1 is the structure principle chart of the oily electric hybrid-electric car multi-mode actuating device of the utility model embodiment 1.
Fig. 2 is the structure principle chart of the oily electric hybrid-electric car multi-mode actuating device of the utility model embodiment 2.
The specific embodiment
For understanding better the utility model, below in conjunction with drawings and Examples, the utility model is described in further detail, but the specific embodiment of the present utility model is not limited to this.
Embodiment 1
As shown in Figure 1, the electric hybrid-electric car multi-mode of an oil actuating device, comprises driving engine 13, the first motor 14, the second motor 12, planetary mechanism, first clutch 9, second clutch 17, drg 18, electric machine controller, ECU, drive axle 21, semiaxis 20 and wheel 19; First clutch 9 and second clutch 17 all adopt hydraulic pressure clutch with multiple laminated disc, and drg 18 adopts hydraulic pressure multi-plate brake; Planetary mechanism comprises sun wheel 1, pinion carrier 2 and gear ring 3; The second motor 12 is arranged on the second motor cabinet 11, and one end is connected with driving engine 13, and the other end is connected with the second rotor axis of electric 10; One end of first clutch 9 is connected with the second rotor axis of electric 10, and the other end is connected with the first gear 7 by adapter shaft 8, and the first gear 7 and the second gear 6 engagements, form gear pair; The second gear 6 is connected with tween drive shaft 5, and tween drive shaft 5 is also connected with the 3rd gear 4, the 3rd gear 4 and gear ring 3 external toothings; The first motor 14 is arranged in the first motor cabinet 15, and the first motor 14 is connected with sun wheel 1 with second clutch 17 respectively by the first motor shaft 16, and second clutch 17 is connected with gear ring 3; Drg 18 is connected with gear ring 3; Drg 18 is connected with the gear ring 3 of planetary mechanism as braking element, with this, controls the element motion of planetary mechanism; Pinion carrier 2 is connected with drive axle 21, and drive axle 21 is connected with two wheels 19 respectively by two semiaxis 20, and pinion carrier is connected with drive axle as mouth, by transmission of power to left and right wheels; ECU is connected with electric machine controller, and electric machine controller is connected with the second motor 12 with the first motor 14 respectively, and ECU is also connected with first clutch 9, second clutch 17 and drg 18 respectively.
Hydraulic pressure clutch with multiple laminated disc comprises that clutch-bell cover, steel disc, friction lining, piston, pull back spring and snap ring become.
Can make the sun wheel number of teeth is z
1, radius is r
1, rotating speed is n
1; The gear ring number of teeth is z
2, radius is r
2, rotating speed is n
2, the rotating speed of pinion carrier is n
3.If α=z
2/ z
1=r
2/ r
1, single planetary wheel laws of motion are n
1+ α n
2-(1+ α) n
3=0, by combination and the disconnection of control clutch, drg, the pattern of oily electric hybrid-electric car multi-mode actuating device has several as follows.
(1) second rotor axis of electric 10 disconnects by first clutch 9 and adapter shaft 8, and the first rotor axis of electric 16 is by second clutch 17 and gear ring 3 combinations, and drg 18 disconnects.Now, the speed ratio of battery-driven car power-driven system is 1, and power passes to wheel through pinion carrier, realizes pure motor and drives.
(2) second rotor axis of electric 10 disconnect by first clutch 9 and adapter shaft 8, and the first rotor axis of electric 16 disconnects by second clutch 17 and gear ring 3, drg 18 combinations.Now, the transmission speed ratio of battery-driven car power-driven system is relevant to the structure of planetary mechanism, supposes
time, this drive system drives wheel with reduction ratio 3, realizes pure motor and drives.
(3) second rotor axis of electric 10 are by first clutch 9 and adapter shaft 8 combinations, and the gear pair that adapter shaft 8 forms through the first gear 7 and the second gear 6 is by transmission of power to tween drive shaft 5, and tween drive shaft 5 is through the 3rd gear 4 and gear ring 3 external toothings; The first rotor axis of electric 16 disconnects by second clutch 17 and gear ring 3, and drg 18 disconnects.Now, the driving engine in this drive system and the first motor 12 power couplings pass to drive axle by pinion carrier, and the speed-regulating function of feasible system.
(4) second rotor axis of electric 10 are by first clutch 12 and adapter shaft 8 combinations, and the gear pair that adapter shaft 8 forms through the first gear 7 and the second gear 6 is by transmission of power to tween drive shaft 5, and tween drive shaft 5 is through the 3rd gear 4 and gear ring 3 external toothings; The first rotor axis of electric 16 is by second clutch 17 and gear ring 3 combinations, and drg 18 disconnects.Now, the power of the driving engine in this drive system and the first motor 12 common wheel that drives after pinion carrier output.
(5) motor M
1rotor shaft idle running, the second motor 12 rotor shafts 10 are by first clutch 9 and axle 8 combinations, and the gear pair that adapter shaft 8 forms through the first gear 7 and the second gear 6 is by transmission of power to tween drive shaft 5, and tween drive shaft 5 is through the 3rd gear 4 and gear ring 3 external toothings; The first rotor axis of electric 16 is by second clutch 17 and gear ring 3 combinations, and drg 18 disconnects.Now, planetary mechanism sun wheel and gear ring are rigidly connected, and power passes to drive axle through pinion carrier, realize pure engine drive.
(6) second rotor axis of electric 10 disconnect by first clutch 9 and adapter shaft 8, the first rotor axis of electric 16 reversions, if the first rotor axis of electric 16 passes through second clutch 17 and gear ring 3 combinations, drg 18 disconnects, and drive system realizes and reversing gear, and speed ratio is 1; If the first rotor axis of electric 16 disconnects by second clutch 17 and gear ring 3, drg 18 combinations, the speed ratio that this system is reversed gear is 1+ α.
(7) during automobile brake, the second rotor axis of electric 10 disconnects by first clutch 9 and adapter shaft 8, the first motor 14 controllers are controlled motor and are produced lock torque, if the first electric machine rotor shaft 16 is combined with gear ring by second clutch 17, drg 18 disconnects, lock torque is exported to drive axle by 1:1 through pinion carrier, brake wheel; If the first rotor axis of electric 16 disconnects by second clutch 17 and gear ring 3, drg 18 combinations, lock torque increase 1+ α doubly exports to drive axle by pinion carrier, brake wheel.In Motor Vehicle Braking Procedure, the first motor 14 becomes electrical generator to batteries charging, realizes braking energy and reclaims.
Embodiment 2
As shown in Figure 2, the electric hybrid-electric car multi-mode of an oil actuating device, comprises driving engine 12, the first motor 13, the second motor 11, planetary mechanism, first clutch 5, second clutch 16, drg 17, electric machine controller, ECU, drive axle 20, semiaxis 19 and wheel 18; First clutch 5 and second clutch 16 all adopt hydraulic frictional lamella clutch; Drg 17 adopts hydraulic frictional chip drg; Planetary mechanism comprises sun wheel 1, pinion carrier 2 and gear ring 3; The second motor 11 is arranged on the two the second motor cabinets 10, and one end is connected with driving engine 12, and the other end is connected with the second rotor axis of electric 9; One end of first clutch 5 is connected with adapter shaft 6, and the other end is by the 3rd gear 4 and gear ring 3 external toothings; Adapter shaft 6 is also connected with the first gear 7, and the first gear 7 and the second gear 8 engagements, form gear pair; The second gear 8 is connected with the second rotor axis of electric 9; The first motor 13 is arranged in the first motor cabinet 14, and the first motor 13 is connected with sun wheel 1 with second clutch 16 respectively by the first motor shaft 15, and the second adapter shaft 16 is connected with gear ring 3; Drg 17 is connected with gear ring 3; Drg 17 is connected with the gear ring 3 of planetary mechanism as braking element, with this, controls the element motion of planetary mechanism; ECU is connected with electric machine controller, and electric machine controller is connected with the second motor 11 with the first motor 13 respectively, and ECU is also connected with first clutch 5, second clutch 16 and drg 17 respectively; Pinion carrier 2 is connected with drive axle 20, and drive axle 20 is connected with two wheels 18 respectively by two semiaxis 19; Pinion carrier is connected with drive axle as mouth, by transmission of power to left and right wheels.
Hydraulic frictional lamella clutch comprises that clutch-bell cover, steel disc, friction lining, piston, pull back spring and snap ring become.Except the present embodiment first clutch 5, to be arranged in tween drive shaft 6 upper outside, and the principle of work of the present embodiment is substantially the same manner as Example 1.
Embodiment 3
The second clutch of the present embodiment adopts diaphragm-spring clutch, mainly clutch-bell cover, diaphragm spring, platen, friction lining and release thrust bearing, consists of; First clutch adopts hydraulic pressure clutch with multiple laminated disc, and drg adopts caliper disc.Different from embodiment 1 is that the second rotor axis of electric is connected with transmission device, and transmission device is connected with gear ring by interior engagement, and principle of work is identical with embodiment 1.
Embodiment 4
The second clutch of the present embodiment adopts hydraulic frictional chip, mainly by housing, steel disc, friction lining, piston, pull back spring, seal ring and snap ring, formed, first clutch adopts hydraulic pressure clutch with multiple laminated disc, drg adopts caliper disk brake, the connection layout of remaining part is identical with embodiment 3, and the principle of work of the present embodiment is substantially the same manner as Example 3.
Embodiment 5
The second clutch of the present embodiment adopts magnetic clutch, mainly yoke, armature, flange, rivet and spring leaf, consists of.Yoke is connected with rotor axis of electric by spline, and flange is connected with gear ring by key, produces magnetic flux adhesive armature during coil electricity, thereby produces friction torque, makes secondary part combination.First clutch adopts hydraulic pressure clutch with multiple laminated disc, and drg adopts caliper disk brake, and the connection layout of remaining part is identical with embodiment 3, and the principle of work of the present embodiment is substantially the same manner as Example 3.