The utility model content
The technical matters that the utility model mainly solves provides a kind of novel hybrid system, can realize multiple drive modes, can realize that extended-range drives can realize that again plug-in hybrid drives, and obtain good oil-saving effect.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of novel hybrid system is provided, comprise: driving engine, first electrical motor, second electrical motor, change speed gear box, be connected by free-wheel clutch between the output shaft of described driving engine and first electrical motor, the output shaft of described first electrical motor is connected with first input shaft of described change speed gear box, the output shaft of described second electrical motor is connected with second input shaft of described change speed gear box, is provided with electric control clutch between first input shaft of described change speed gear box and second input shaft of change speed gear box.
In preferred embodiment of the utility model, be provided with at least 3 mark structures in the described change speed gear box, even number shelves and odd number shelves are located at respectively on second input shaft of first input shaft of described change speed gear box and change speed gear box, carry out gear switch by synchro between each mark structure on the same input shaft, the output shaft of described change speed gear box is provided with main reduction gear, and described main reduction gear is connected with a diff.
In preferred embodiment of the utility model, be provided with 4 mark structures in the described change speed gear box, on 2 grades of even number shelves and 4 grades of first input shafts of being located at change speed gear box, on 1 grade of odd number shelves and 3 grades of second input shafts of being located at change speed gear box, be provided with even number shelves synchro between described 2 grades and 4 grades, be provided with odd number shelves synchro between 1 grade and 3 grades.
In preferred embodiment of the utility model, be provided with 5 grades or 6 mark structures in the described change speed gear box.
In preferred embodiment of the utility model, described first electrical motor and second electrical motor all comprise electric model, power generation mode.
The beneficial effects of the utility model are: the utility model novel hybrid system can realize multiple drive modes, has more different operating mode demands and optimizes drive-train efficiency, reaches the purpose of energy-saving and emission-reduction; Can pass through external charge, realize the double dominant that range-extended electric and plug-in hybrid drive, both can satisfy the pure motorized motions of blocking up of city operating mode, the high-power driving output in the time of can realizing high-speed working condition again; By the active speed control of electrical motor, can realize the smooth-going transition that various patterns are switched, power failure-free, the car load traveling comfort is good.
The specific embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described in detail, thereby so that advantage of the present utility model and feature can be easier to be it will be appreciated by those skilled in the art that protection domain of the present utility model is made more explicit defining.
See also Fig. 1,
The utility model embodiment 1:
A kind of novel hybrid system, comprise: driving engine 1, first electrical motor 2, second electrical motor 3, change speed gear box, the output shaft 4 of described driving engine is provided with flywheel 13, be connected by a free-wheel clutch 5 between the output shaft 4 of described driving engine and first electrical motor 2, the output shaft of described first electrical motor is connected with first input shaft 6 of described change speed gear box, and the output shaft of described second electrical motor 3 is connected with second input shaft 8 of described change speed gear box.Be provided with electric control clutch 14 between first input shaft 6 of described change speed gear box and second input shaft 8 of change speed gear box.
Be provided with 3 mark structures in the described change speed gear box, on first input shaft 6 that 1 grade and 3 grades is located at change speed gear box, on second input shaft 8 that 2 grades are located at described change speed gear box, carry out gear switch by a synchro between 1 grade and 3 grades, the output shaft of described change speed gear box is provided with main reduction gear 11, and described main reduction gear 11 is connected with a diff 12.
The utility model embodiment 2:
A kind of novel hybrid system, comprise: driving engine 1, first electrical motor 2, second electrical motor 3, change speed gear box, the output shaft 4 of described driving engine is provided with flywheel 13, be connected by a free-wheel clutch 5 between the output shaft 4 of described driving engine and second electrical motor 3, the output shaft of described first electrical motor is connected with first input shaft 6 of described change speed gear box, and the output shaft 7 of described second electrical motor is connected with second input shaft 8 of described change speed gear box.Be provided with electric control clutch 14 between first input shaft 6 of described change speed gear box and second input shaft 8 of change speed gear box.
Be provided with 4 mark structures in the described change speed gear box, on 2 grades of even number shelves and 4 grades of first input shafts 6 of being located at change speed gear box, on 1 grade of odd number shelves and 3 grades of second input shafts 8 of being located at change speed gear box, be provided with even number shelves synchro 9 between described 2 grades and 4 grades and carry out gear switch, be provided with odd number shelves synchro 10 between 1 grade and 3 grades and carry out gear switch.The output shaft of described change speed gear box is provided with main reduction gear 11, and described main reduction gear 11 is connected with a diff 12.
The utility model embodiment 3:
A kind of novel hybrid system, comprise: driving engine 1, first electrical motor 2, second electrical motor 3, change speed gear box, the output shaft 4 of described driving engine is provided with flywheel 13, be connected by a free-wheel clutch 5 between the output shaft 4 of described driving engine and first electrical motor 2, the output shaft of described first electrical motor is connected with first input shaft 6 of described change speed gear box, and the output shaft of described second electrical motor 3 is connected with second input shaft 8 of described change speed gear box.Be provided with electric control clutch 14 between first input shaft 6 of described change speed gear box and second input shaft 8 of change speed gear box.
Be provided with 4 mark structures in the described change speed gear box, on 2 grades of even number shelves and 4 grades of first input shafts 6 of being located at change speed gear box, on 1 grade of odd number shelves and 3 grades of second input shafts 8 of being located at change speed gear box, be provided with even number shelves synchro 9 between described 2 grades and 4 grades and carry out gear switch, be provided with odd number shelves synchro 10 between 1 grade and 3 grades and carry out gear switch.The output shaft of described change speed gear box is provided with main reduction gear 11, and described main reduction gear 11 is connected with a diff 12.
According to the vehicle difference, the different gear quantity of coupling for example is provided with 5 grades, 6 grades or more gears in the change speed gear box of cart.
Above-mentioned described first electrical motor 2 and second electrical motor 3 all comprise electric model and power generation mode.
Be that 4 mark structures are example with change speed gear box, the multiple drive modes that the novel hybrid system can realize comprises:
Pure motorized motions pattern, driving engine 1 is not worked, and when little torque drive demand, can select single motor-driven, and this moment again can whether closure be selected 1 or 3 grade of driving according to electric control clutch 14, perhaps 2 or 4 grades of drivings; When driving such as second electrical motor 3, if electric control clutch 14 separates, then can select 1 or 3 grade of driving, if electric control clutch 14 combinations then can select 2 or 4 to drive.Also can select 4 gears when in like manner, first electrical motor 2 drives.When driving demand, high pulling torque can select two motor parallels to drive, if electric control clutch 14 separates, then second electrical motor 3 and first electrical motor 2 can select 1 or 3 grade and 2 or 4 grades to drive respectively, if electric control clutch 14 combinations, then two motors are exported with same speed ratio, can select 1 ~ 4 grade of arbitrary gear.
According to above combination, pure motorized motions can realize 6 kinds of drive patterns, and every kind of drive pattern can be selected suitable driving gear, drives efficiency optimization by regulation stall, reaches the optimum economic performance of pure motorized motions.Wherein owing to being provided with free-wheel clutch 5 between first electrical motor 2 and the driving engine 1, so second electrical motor 3 can instead not drag driving engine 1 when working.
Pure electronic reversing mode, driving engine 1 is not worked, the motor counter-rotating, because driving engine 1 can not be dragged by counter, therefore first electrical motor 2 can not be used for reverse-drive, adopts this moment second electrical motor 3 to drive, electric control clutch 14 separates, and can select 1 or 3 grade of reverse-drive.
Pure driving engine 1 drive pattern, first electrical motor 2 and second electrical motor 3 are not all worked, driving engine 1 work when electric control clutch 14 separates, can be selected 1 or 3 grade of driving, electric control clutch 14 in conjunction with the time, can select 2 or 4 grades of drivings.Therefore driving engine 1 drives can have 4 driving gears selective.
The combination drive pattern comprises combination drive pattern in parallel, series hybrid drive pattern.
Described combination drive pattern in parallel is driving engine 1 work, and first electrical motor 2 and second electrical motor 3 are respectively electric model or power generation mode assistive drive, and first electrical motor 2 is the driving in parallel of single motor-driven or double-motor with second electrical motor, 3 assistive drive methods; Torque can be selected single motor or double-motor assistive drive or generating according to demand, regulate the operation interval of driving engine 1 to the work of optimum economic work curve, thereby optimize economy and the emission behavior of driving engine 1, and select to optimize motor-driven or generating efficiency according to gear simultaneously.
During little torque drive demand, can select single motor assistive drive, if select second electrical motor, 3 assistive drive, when electric control clutch 14 separates, driving engine 1 and second electrical motor, 3 different gears can be selected 2 or 4 grades and 1 or 3 grade of driving respectively.When electric control clutch 14 separation, driving engine 1 and second electrical motor, 3 different gears can be selected 2 or 4 grades and 1 or 3 grade of driving respectively, and when electric control clutch 14 combinations, driving engine 1 and second electrical motor, 3 same gears drive, and can select 1 ~ 4 grade of any gear output; And if select first electrical motor, 2 assistive drive because driving engine 1 and motor in the same side of input shaft, therefore are always same speed ratio output, when electric control clutch 14 separates, 2 or 4 grades of drivings can be selected, when electric control clutch 14 combinations, 1 or 3 grade of driving can be selected.
When high pulling torque drives demand, can carry out the power-assisted driving simultaneously by two motors, if electric control clutch 14 separates, then second electrical motor 3 and driving engine 1 different speed ratios, can select 1 or 3 grade and 2 or 4 grades of drivings, if electric control clutch 14 combinations, same speed ratio is imported in both sides, can select 1 ~ 4 grade of arbitrary gear output.
The series hybrid drive pattern is driving engine 1 work, and second electrical motor 3 is electric model, and first electrical motor 2 is power generation mode, and the synchro of being located on first input shaft places midway location, and the synchro of being located on second input shaft carries out the gear shift switching; Driving engine 1 drives 2 generatings of first electrical motor.The series hybrid drive pattern uses when the operating mode of city, driving engine 1 operation point can be optimized to the economic zone, improves system effectiveness, reduces fuel oil consumption and reduces discharging.
The braking take-back model is that driving engine 1 is not worked, and first electrical motor 2 and second electrical motor 3 are power generation mode, and according to the size of recuperated energy, can select recovery method is that single motor reclaims or double-motor reclaims, the maximization braking energy.When recuperated energy hour, can select 3 generatings of second electrical motor, electric control clutch 14 separates, and can select 1 grade or 3 grades according to optimizing dynamo efficiency needs odd number shelves synchro, if electric control clutch 14 combinations can be selected 2 grades or 4 grades.If select 2 generatings of first electrical motor, the same, can realize two kinds of power generation modes.If recuperated energy is bigger, two motor parallel generatings, when electric control clutch 14 separation, odd number shelves synchro and even number shelves synchro can be selected 1 grade or 3 grades and 2 grades or 4 grades respectively, when electric control clutch 14 combinations, can select arbitrary gear generating in 1 ~ 4 grade.
The parking power generation mode is driving engine 1 work, can select single electric power generation or double-motor generating according to the generated output demand.Generated output hour, if electric control clutch 14 separates, first electrical motor 2 is operated in power generation mode, second electrical motor 3 is not worked, odd number shelves synchro and even number shelves synchro are all at midway location.If electric control clutch 14 combinations, second electrical motor 3 is operated in power generation mode, and first electrical motor 2 is not worked, and even number shelves synchro is positioned at midway location, and odd number shelves synchro can be selected 1 grade or 3 grades according to the demand of generating rotating speed.When generated output was big, second electrical motor 3 and first electrical motor 2 all were operated in generator mode, and even number shelves synchro is positioned at midway location, and odd number shelves synchro can be selected 1 grade or 3 grades.
Shown in the following table table 1, be multiple drive modes of the present utility model:
The utility model can be realized above multiple drive modes, optimizes drive-train efficiency according to different operating mode demands, reaches the purpose of energy-saving and emission-reduction.And can pass through external charge, and realize the double dominant that range-extended electric and plug-in hybrid drive, both can satisfy the pure motorized motions of blocking up of city operating mode, the high-power driving output in the time of can realizing high-speed working condition again.And every kind of drive pattern can have many gears to select, and can realize various driving operating mode demands, optimizes the drive pattern control algorithm by the driving characteristics, car load dynamic property and economy optimization can be realized best vehicle performance.
The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification sheets and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.