CN101450609A - Hybrid drive system and method - Google Patents
Hybrid drive system and method Download PDFInfo
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- CN101450609A CN101450609A CNA2007101877824A CN200710187782A CN101450609A CN 101450609 A CN101450609 A CN 101450609A CN A2007101877824 A CNA2007101877824 A CN A2007101877824A CN 200710187782 A CN200710187782 A CN 200710187782A CN 101450609 A CN101450609 A CN 101450609A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
- F16H3/089—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears all of the meshing gears being supported by a pair of parallel shafts, one being the input shaft and the other the output shaft, there being no countershaft involved
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/0021—Transmissions for multiple ratios specially adapted for electric vehicles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
- F16H2200/0034—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising two forward speeds
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Abstract
The invention discloses a hybrid power drive system, wherein an engine is connected with a first shaft through a clutch; a motor is directly or indirectly connected with a second shaft; the first shaft is provided with a first gear, a second gear and a first synchronizer; the first and the second gears are sleeved on the first shaft through bearings; the first synchronizer is selectively jointed with the first gear or the second gear; the second shaft is provided with a third gear, a fourth gear and a second synchronizer; the third gear is sleeved on the second shaft through a bearing; the fourth gear is fixed on the second shaft; the second synchronizer is selectively joined with the third gear and the fourth gear; the first gear is engaged with the third gear; the second gear is engaged with the fourth gear; and the third gear is engaged with an output gear. The invention also discloses a method for driving the hybrid power drive system. The first synchronizer and second synchronizer are selectively joined with corresponding gears, so as to conveniently realize multiple working conditions, and the hybrid power drive system has a simple and compact structure.
Description
Technical field
The present invention relates to a kind of hybrid electric drive system and driving method thereof.
Background technology
Motor vehicle driven by mixed power adopts two kinds of different propulsions source simultaneously, according to the connection mode difference of power system, mainly can be divided into three kinds of versions, i.e. series, parallel and series-parallel connection.
The feature of cascaded structure is to carry out compoundly with form of power, and driving engine direct drive electrical generator is to the power supply of closed-center system and electrical motor, and electrical motor is used for drive wheels.The feature of parallel-connection structure is to carry out compoundly with mechanical type, and driving engine links to each other with axle drive shaft, motor can be simultaneously as electrical motor and electrical generator with the suffered load of balanced engine.The drive pattern of cascaded structure and parallel-connection structure is relative single, can not give full play to the advantage of hybrid electric drive system.
At present, the normally series-parallel connection pattern of often using in the prior art of hybrid electric drive system.
Existing a kind of series-parallel connection pattern is to realize power distribution between each power unit by sun and planet gear.In this structure, driving engine links to each other with pinion carrier, and a part of mechanical energy of driving engine is converted into electric energy by first motor and charges to the power supply of second motor or to closed-center system, and another part mechanical energy directly acts on the gear ring.Second motor links to each other with gear ring simultaneously, and part power and torque are provided.
Existing another kind of series-parallel connection pattern is to realize power distribution between each power unit, for example U.S. Patent No. 6209672 B1 by power-transfer clutch.In this structure, driving engine links to each other with first motor, links to each other by power-transfer clutch between first motor and second motor, and car load power is connected to wheel by the output shaft of second motor.By the joint or the separation of control clutch, can realize multiple driving pattern.
Above-mentioned two kinds of series-parallel connection patterns all have two motors usually, sometimes also need change-speed box, also need sun and planet gear for first kind of pattern, so complex structure, and it is big to take up room, and are unfavorable for the car load layout and alleviate complete vehicle weight.
Also having a kind of series-parallel connection pattern in the prior art is to utilize power-transfer clutch and change-speed box to realize power distribution between each power unit.
For example, U.S. Patent Application Publication No. 2006/0254837 A1 discloses a kind of hybrid electric drive system, wherein driving engine is connected to first input shaft of change-speed box by power-transfer clutch, motor is connected to second input shaft of change-speed box, and the power of driving engine and/or motor passes to wheel by the output shaft of change-speed box.First input shaft and second input shaft can be two ends passing a shared main shaft of change-speed box, or together the two independently axles that are engaged with each other.During clutch engagement, driving engine can the independent drive vehicle ' (can also control motor and generate electricity this moment), and perhaps driving engine and motor parallel powered vehicle are travelled.When disengaging of clutch, by motor independent drive vehicle '.In this technical scheme, the power distribution between each power unit mainly is to have utilized power-transfer clutch, and change-speed box mainly plays traditional chronotropic action.Therefore, the drive pattern of this drive system is relatively simple.In addition, the change-speed box of use is bulky, is unfavorable for alleviating complete vehicle weight.
In addition, US Patent 5,337,848 and 6,019,698 also disclose similar structure, promptly between driving engine and change-speed box power-transfer clutch are set, the joint by power-transfer clutch and disconnect the different driving pattern that realizes vehicle.In addition, the power of driving engine and motor can be by passing to wheel after the change-speed box coupling.There are the problems referred to above equally in this structure, and promptly drive pattern is simple relatively, and is unfavorable for alleviating complete vehicle weight owing to change-speed box is bulky.
Summary of the invention
The purpose of this invention is to provide a kind of hybrid electric drive system and driving method thereof, described driving system structure is simple, and it is little to take up room, and has multiple drive modes.Described driving method control is simple, easy switching between the different driving pattern.
According to an aspect of the present invention, provide a kind of hybrid electric drive system, this drive system comprises driving engine, power-transfer clutch, the be parallel to each other primary shaft arranged and second, motor, closed-center system and output gear, wherein: described driving engine is connected by described power-transfer clutch with described primary shaft; Described motor directly or indirectly is connected with described second, and is electrically connected with described closed-center system; Have first gear, second gear and first synchro on the described primary shaft, described first gear and second gear are contained on the described primary shaft by bearing carrier ring, and described first synchro optionally engages described first gear or second gear; Have the 3rd gear, the 4th gear and second synchro on described second, described the 3rd gear is contained on described second by bearing carrier ring, described the 4th gear is fixed on described second, and described second synchro optionally engages described the 3rd gear or the 4th gear; Described first gear and described the 3rd gear mesh, described second gear and described the 4th gear mesh, and described the 3rd gear and the engagement of described output gear are so that by the output gear outputting power.
According to another aspect of the present invention, provide a kind of hybrid electric drive system, this drive system comprises driving engine, power-transfer clutch, the be parallel to each other primary shaft arranged and second, motor, closed-center system and output gear, wherein: described driving engine is connected by described power-transfer clutch with described primary shaft; Described motor with described second directly or be connected indirectly, and be electrically connected with described closed-center system; Have first gear, second gear and first synchro on the described primary shaft, described first gear and second gear are contained on the described primary shaft by bearing carrier ring, and described first synchro optionally engages described first gear or second gear; Have the 3rd gear, the 4th gear, the 5th gear and second synchro on described second, described the 3rd gear and described the 4th gear are fixed on described second, described the 5th gear is contained on described second by bearing carrier ring, and described second synchro optionally engages described the 5th gear; Described first gear and described the 3rd gear mesh, described second gear and described the 4th gear mesh, described the 5th gear and the engagement of described output gear.
According to another aspect of the present invention, provide a kind of driving method of hybrid electric drive system, this driving method comprises: provide driving engine, power-transfer clutch, the be parallel to each other primary shaft arranged and second, motor, closed-center system and output gear; Wherein: described driving engine is connected by described power-transfer clutch with described primary shaft, and when described clutch engagement, described driving engine inputs to described primary shaft with power; Described motor directly or indirectly is connected with described second, and be electrically connected with described closed-center system, electric energy by receiving described closed-center system perhaps generates electricity by receiving described second power to described second imput power, and with the electrical power storage sent in described closed-center system; First gear, second gear and first synchro are set on described primary shaft, and described first gear and second gear are contained on the described primary shaft by bearing carrier ring, and described first synchro optionally engages described first gear or second gear; The 3rd gear, the 4th gear and second synchro are set on described second, described the 3rd gear is contained on described second by bearing carrier ring, described the 4th gear is fixed on described second, and described second synchro optionally engages described the 3rd gear or the 4th gear; Described first gear and described the 3rd gear mesh, described second gear and described the 4th gear mesh, and described the 3rd gear and the engagement of described output gear; Described output gear is used for perhaps being used for the power from wheel is fed back to described motor with giving wheel from the takeoff output of described driving engine and/or described motor, make electric power generation and with the electrical power storage sent in described closed-center system.
According to another aspect of the present invention, provide a kind of driving method of hybrid electric drive system, this driving method comprises: provide driving engine, power-transfer clutch, the be parallel to each other primary shaft arranged and second, motor, closed-center system and output gear; Described driving engine is connected by described power-transfer clutch with described primary shaft, and when described clutch engagement, described driving engine inputs to described primary shaft with power; Described motor directly or indirectly is connected with described second, and be electrically connected with described closed-center system, electric energy by receiving described closed-center system perhaps generates electricity by receiving described second power to described second imput power, and with the electrical power storage sent in described closed-center system; First gear, second gear and first synchro are set on described primary shaft, and described first gear and second gear are contained on the described primary shaft by bearing carrier ring, and described first synchro optionally engages described first gear or second gear; The 3rd gear, the 4th gear, the 5th gear and second synchro are set on described second, described the 3rd gear and described the 4th gear are fixed on described second, described the 5th gear is contained on described second by bearing carrier ring, and described second synchro optionally engages described the 5th gear; Described first gear and described the 3rd gear mesh, described second gear and described the 4th gear mesh, and described the 5th gear and the engagement of described output gear; Described output gear is used for perhaps being used for the power from wheel is fed back to described motor with giving wheel from the takeoff output of described driving engine and/or described motor, make electric power generation and with the electrical power storage sent in described closed-center system.
In technique scheme, owing to adopted the structure that is similar to change-speed box dexterously, promptly optionally engage each gear by first and second synchros, can realize multiple drive modes easily, and simple in structure, compact, help the car load layout and alleviate complete vehicle weight.
Further feature of the present invention and the corresponding advantages specific embodiment below partly is elaborated.
Description of drawings
Fig. 1 and Fig. 2 are the structural representations of a kind of hybrid electric drive system of preferred implementation according to the present invention, and Fig. 1 is the system architecture scheme drawing of wherein a kind of preferred embodiment, and Fig. 2 is the structural representation of another kind of preferred embodiment wherein.
Fig. 3 and Fig. 4 are the structural representations of the hybrid electric drive system of another kind of preferred implementation according to the present invention, and wherein Fig. 3 is the system architecture scheme drawing of wherein a kind of preferred embodiment, and Fig. 4 is the structural representation of another kind of preferred embodiment wherein.
Fig. 5 to Figure 10 is the scheme drawing of a kind of various different working modes of hybrid electric drive system of preferred implementation according to the present invention.
Fig. 5 to Figure 10 is the scheme drawing of a kind of various different working modes of hybrid electric drive system of preferred implementation according to the present invention.
Figure 11 to Figure 13 is the scheme drawing of the various different working modes of the hybrid electric drive system of another kind of preferred implementation according to the present invention.
The specific embodiment
With reference to the accompanying drawings preferred implementation of the present invention is described in detail.
As depicted in figs. 1 and 2, a preferred embodiment of the invention provides a kind of hybrid electric drive system, this drive system comprises driving engine 1, power-transfer clutch 2, primary shaft A and second B of being parallel to each other and arranging, motor 9, closed-center system 11 and output gear 14.Described driving engine 1 is connected by described power-transfer clutch 2 with described primary shaft A.Described motor 9 directly or indirectly is connected with described second B, and is electrically connected with described closed-center system 11.Have first gear 3, second gear 5 and first synchro 4 on the described primary shaft A, described first gear 3 and second gear 5 are contained on the described primary shaft A by bearing carrier ring, and described first synchro 4 optionally engages described first gear 3 or second gear 5.Have the 3rd gear 6, the 4th gear 8 and second synchro 7 on described second B, described the 3rd gear 6 is contained on described second B by bearing carrier ring, described the 4th gear 8 is fixed on described second B, and described second synchro 7 optionally engages described the 3rd gear 6 or the 4th gear 8.Described first gear 3 and 6 engagements of described the 3rd gear, described second gear 5 and 8 engagements of described the 4th gear, and described the 3rd gear 6 and described output gear 14 engagements.
In the present invention, as prior art, under situation about not being specifically noted, driving engine and the output shaft that typically refers to driving engine being connected of other parts are connected with mechanical type between these parts, are used for by this parts output/horsepower input; Motor and the output shaft that typically refers to motor being connected of other parts are connected with mechanical type between these parts, are used for by this parts I/O power.In addition, connection between two parts can adopt existing multiple means to realize, for example, for interconnective two axles, can connect by known coupler, perhaps can also by driving device for example gear cluster connect, perhaps can also a shared axle under possible situation, as long as can realize purpose of connecting between two axles, promptly mainly be the transmission of power of realizing between the two.
Figure 1 shows that a kind of system architecture scheme drawing of preferred embodiment.
As shown in Figure 1, driving engine 1 is connected by power-transfer clutch 2 with primary shaft A.When power-transfer clutch 2 engaged, driving engine 1 can drive primary shaft A rotation; When power-transfer clutch 2 separated, the transmission of power between driving engine 1 and the primary shaft A was disconnected.Motor 9 directly is connected with second B, and be electrically connected with closed-center system 11.When motor 9 when closed-center system 11 receives electric energy, can drive second B rotation.In addition, second B also can drive motor 9 generatings, and with the electrical power storage sent in closed-center system 11. Reference numeral 10 and 12 is represented known power inverter respectively.
Have first gear 3, second gear 5 and first synchro 4 on the primary shaft A, described first gear 3 and second gear 5 are contained in described primary shaft A by bearing carrier ring and go up and can freely rotate with respect to primary shaft A, and 4 of described first synchros can optionally engage described first gear 3 or second gear 5.At this, first synchro 4 can adopt the synchro that uses in traditional change-speed box, for example normally used friction-type inertia synchronizer.This synchro generally comprises the splined hub that is fixed on the primary shaft A, can be on splined hub sliding hub in axial sliding, and can with the lock ring of gear frictional engagement.When engaging, then can stir sliding hub with gear (for example first gear 3) when the needs synchro, make lock ring and gear engagement, thereby gear can be rotated with splined hub, realize the transmission of power between gear and the primary shaft A by shift fork.
Have the 3rd gear 6, the 4th gear 8 and second synchro 7 on second B, described the 3rd gear 6 is contained in described second B by bearing carrier ring and goes up and can freely rotate with respect to second B, described the 4th gear 8 is fixed on described second B and goes up and rotate synchronously with second B, and described second synchro 7 can optionally engage described the 3rd gear 6 or the 4th gear 8.Described first gear 3 and 6 engagements of described the 3rd gear, described second gear 5 and 8 engagements of described the 4th gear, and described the 3rd gear 6 and described output gear 14 engagements are so that by output gear 14 outputting powers.Second synchro 7 is identical with first synchro, 4 structures.
In above-mentioned first to fourth gear, first to the 3rd gear all is to be contained in that primary shaft or second go up and can to rotate freely with respect to second by bearing carrier ring, the 4th gear then be fixed on second go up and with second rotation synchronously.The 4th gear can be fixed on second by interference fit or alternate manner, also can with second make one, as long as can with second rotation synchronously.
So as can be seen, above-mentioned primary shaft A and second B and first to fourth gear and first to second synchro that are arranged on above them have constituted two retaining speed-changing mechanisms that are similar to traditional change-speed box.But this two retaining speed-changing mechanisms are obviously different with traditional change-speed box.For traditional change-speed box, its function mainly is the gear shift operation that is used for vehicle, to adapt to the demand of different vehicle conditions.But in the present invention, the radical function of two retaining speed-changing mechanisms is to be used to the different driving pattern of the system that realizes and to switch between the different driving pattern.Particularly, in two retaining speed-changing mechanisms of the present invention, (first to the 3rd gear can rotate freely with respect to primary shaft or second at the different arrangements of primary shaft on second by first to fourth gear is set dexterously, the 4th gear and second rotation synchronously), and by first synchro 4 and second synchro 7, can realize the various power couplings between the different dynamic source very simply, make drive system of the present invention have multiple power drive mode, and can between multiple drive modes, switch by operating first synchro 4 and second synchro 7 simply.In addition, two retaining speed-changing mechanisms of the present invention also have the function of switching between height two retainings in some power drive mode, thereby make propulsion source can be operated in optimum efficiency area and adapt to the demand of different vehicle conditions.Operation for the two retaining of the present invention speed-changing mechanism will be described further below.
In hybrid vehicle, described output gear 14 can will be given wheel 16 from the takeoff output of driving engine 1 and/or motor 9 by diff 15, travel with powered vehicle.In one embodiment, described closed-center system 11 can have external charge interface 13.In addition, motor 9 preferably can travel with cruising speed by the independent drive vehicle.In city low power consumption period, utilize external charge interface 13 for closed-center system 11 chargings,, thereby reduced the use of driving engine 1 to the full extent with power supply machine 9 independent drive vehicle ', thereby can energy savings and reduce environmental pollution, have the effect that is highly profitable.
The transmitting ratio of described first gear 3 and described the 3rd gear 6 can be determined according to parameters such as vehicle performance and parameter such as maximum speed, max. climb slope, curb mass, be preferably 1.The transmitting ratio of described second gear 5 and described the 4th gear 8 can be determined according to parameters such as vehicle performance and parameter such as maximum speed, max. climb slope, curb mass, be preferably 2.45.The transmitting ratio of described the 3rd gear 6 and described output gear 14 can be determined according to parameters such as vehicle performance and parameter such as maximum speed, max. climb slope, curb mass, be preferably 4.9.At this, by the above-mentioned transmitting ratio of choose reasonable, can allow driving engine 1 and motor 9 all under optimized rotating speed/power, turn round, can effectively improve whole system operation efficient like this.
Do not having special version and do not existing under the situation of contradiction, various aspects among above-mentioned first embodiment or feature are equally applicable to each following embodiment, therefore no longer are repeated in this description for identical part.
Figure 2 shows that the system architecture scheme drawing of the another kind of preferred embodiment in the above-mentioned embodiment.
In preferred embodiment shown in Figure 1, described motor 9 is directly to be connected the i.e. rotating shaft of motor 9 and second coaxial setting of B with second B.At this, the rotating shaft of motor 9 and second B can be same axises, also can be by two axles of the coaxial bonded assemblys of device such as coupler.
As shown in Figure 2, the preferred embodiment and preferred embodiment difference shown in Figure 1 are that described motor 9 can be connected with described second B by driving device.Described driving device can adopt known any driving device, for example gear system, belt transmission, sprocket transmission device etc.As a concrete example, described driving device can comprise intermeshing first transmission gear 21 and second transmission gear 22, described motor 9 is connected with described first transmission gear 21, described first transmission gear 21 is contained on the described primary shaft A by bearing carrier ring, and described second transmission gear 22 is fixed on described second B.Thus, be connected with second transmission gear 22 by intermeshing first transmission gear 21 between motor 9 and second B.As required, first transmission gear 21 and second transmission gear 22 can be selected a suitable transmitting ratio between the two, so that improve driving efficiency.
Described driving engine 1, power-transfer clutch 2, primary shaft A and motor 9 are preferably coaxial successively setting, and promptly driving engine 1 and motor 9 place the both sides of drive system respectively, to optimize the layout of native system on car load, make complete vehicle weight balance and compact conformation.
In addition, according to different vehicles, except with primary shaft A or second B coaxial arrangement, also can otherwise arrange motor 9, for example be arranged in the top of system or below or the like, the present invention does not limit this.
In addition, as mentioned above, motor 9 can directly be connected with second B, also can be connected with second B by driving device.As required, described motor 9 can also be connected with second B by an other power-transfer clutch (not shown), so that make that the operation of native system is more versatile and flexible.
Do not having special version and do not existing under the situation of contradiction, various aspects among above-mentioned first and second embodiment or feature are equally applicable to each following embodiment, therefore no longer are repeated in this description for identical part.
Fig. 3 and Fig. 4 are the structural representations of the hybrid electric drive system of another kind of preferred implementation according to the present invention.
As shown in Figure 3 and Figure 4, according to another kind of preferred implementation of the present invention, provide a kind of hybrid electric drive system, this drive system comprises driving engine 1, power-transfer clutch 2, primary shaft A and second B of being parallel to each other and arranging, motor 9, closed-center system 11 and output gear 14.Described driving engine 1 is connected by described power-transfer clutch 2 with described primary shaft A.Described motor 9 and described second B directly or be connected indirectly and are electrically connected with described closed-center system 11.Have first gear 3, second gear 5 and first synchro 4 on the described primary shaft A, described first gear 3 and second gear 5 are contained on the described primary shaft A by bearing carrier ring, and described first synchro 4 optionally engages described first gear 3 or second gear 5.Have the 3rd gear 6, the 4th gear 8, the 5th gear 23 and second synchro 7 on described second B, described the 3rd gear 6 and described the 4th gear 8 are fixed on described second B, described the 5th gear 23 is contained on described second B by bearing carrier ring, and described second synchro 7 optionally engages described the 5th gear 23.Described first gear 3 and 6 engagements of described the 3rd gear, described second gear 5 and 8 engagements of described the 4th gear, described the 5th gear 23 and described output gear 14 engagements.
Figure 3 shows that the structural representation of a kind of preferred embodiment in this preferred implementation, the structure of the preferred embodiment and preferred embodiment shown in Figure 1 is basic identical, and difference is second B partly revised.
As shown in Figure 3, have the 3rd gear 6, the 4th gear 8, the 5th gear 23 and second synchro 7 on described second B, described the 3rd gear 6 and described the 4th gear 8 are fixed on described second B, described the 5th gear 23 is contained on described second B by bearing carrier ring, and described second synchro 7 optionally engages described the 5th gear 23.Described first gear 3 meshes with described the 3rd gear 6, described second gear 5 and 8 engagements of described the 4th gear, and described the 5th gear 23 and described output gear 14 engagements are to pass through output gear 14 outputting powers.
Figure 4 shows that the structural representation of the another kind of preferred embodiment in this preferred implementation, the structure of the preferred embodiment and preferred embodiment shown in Figure 3 is basic identical, and difference is the layout of motor 9 is revised.At this, basic identical shown in the layout of motor 9 and Fig. 2.
Fig. 5 to Figure 10 is the scheme drawing of a kind of various different working modes of hybrid electric drive system of preferred implementation according to the present invention.
To shown in Figure 10, provide a kind of driving method of hybrid electric drive system as Fig. 5, this driving method comprises: provide driving engine 1, power-transfer clutch 2, primary shaft A and second B of being parallel to each other and arranging, motor 9, closed-center system 11 and output gear 14.Described driving engine 1 is connected by described power-transfer clutch 2 with described primary shaft A, and when described power-transfer clutch 2 engaged, described driving engine 1 inputed to described primary shaft A with power.Described motor 9 directly or indirectly is connected with described second B, and be electrically connected with described closed-center system 11, electric energy by receiving described closed-center system 11 is to described second B imput power, perhaps generate electricity by the power that receives described second B, and with the electrical power storage sent in described closed-center system 11.First gear 3, second gear 5 and first synchro 4 are set on described primary shaft A, described first gear 3 and second gear 5 are contained on the described primary shaft A by bearing carrier ring, and described first synchro 4 optionally engages described first gear 3 or second gear 5.The 3rd gear 6, the 4th gear 8 and second synchro 7 are set on described second B, described the 3rd gear 6 is contained on described second B by bearing carrier ring, described the 4th gear 8 is fixed on described second B, and described second synchro 7 optionally engages described the 3rd gear 6 or the 4th gear 8.Described first gear 3 and 6 engagements of described the 3rd gear, described second gear 5 and 8 engagements of described the 4th gear, and described the 3rd gear 6 and described output gear 14 engagements.Described output gear 14 is used for perhaps being used for the power from wheel is fed back to described motor 9 with giving wheel from the takeoff output of described driving engine 1 and/or described motor 9, make motor 9 generatings and with the electrical power storage sent in described closed-center system 11.
Described motor 9 can directly be connected with described second B, is used for receiving power to described second B imput power or from described second B.
Described motor 9 also can be connected with described second B by driving device, is used for receiving power to described second B imput power or from described second B.
Described driving device preferably includes intermeshing first transmission gear 21 and second transmission gear 22, described motor 9 is connected with described first transmission gear 21, described first transmission gear 21 is contained on the described primary shaft A by bearing carrier ring, and described second transmission gear 22 is fixed on described second B.
Preferably, the coaxial successively setting of described driving engine 1, power-transfer clutch 2, primary shaft A and motor 9.
Figure 5 shows that the pure electronic mode of operation of hybrid electric drive system of the present invention.As shown in Figure 5, second synchro 7 is engaged with the 3rd gear 6, first synchro 4 mediate (being overhead positions).At this moment, motor 9 drives second B rotation as electrical motor work.Because second synchro 7 engages with the 3rd gear 6,, travel with powered vehicle so second B drives 6 rotations of the 3rd gear, and outputs power by output gear 14.At this moment, owing to first synchro 4 mediates, so will on primary shaft A, dally with the 3rd gear 6 ingears, first gear 3 and with the 4th gear 8 ingears second gear 5.In this drive pattern, driving engine 1 does not participate in work, is only travelled by motor 9 powered vehicle.
Under the normal circumstances, promptly when the carrying capacity abundance of closed-center system 11 and motor 9 satisfy vehicle to the demand of moment of torsion, move with electric-only mode.At this moment, vehicle only provides power by motor 9, and energy source is in closed-center system 11.Under this pattern, can realize directly starting vehicle.Under this pattern, can also realize gear reversing function.9 counter-rotatings of motor driver direct control motor make vehicle realize reversing gear operation.Can save the reverse gear mechanism and the steering unit that reverses gear thereof like this, make that the total system volume reduces, simple in structure, weight saving, cost reduce, reliability strengthens.Under this pattern, do not use the gearshift functions of two retaining speed-changing mechanisms, realize control thereby can control the rotating speed of motor 9 and moment of torsion to vehicle by motor driver.
Figure 6 shows that the parallel running pattern of hybrid electric drive system of the present invention.As shown in Figure 6, make first synchro 4 engage (shown in solid line), perhaps engage (shown in dotted line) with second gear 5 with first gear 3; Second synchro 4 still engages with the 3rd gear 6.At this moment, motor 9 drives second B rotation.Simultaneously, power-transfer clutch 2 engages, and driving engine 1 drives primary shaft A rotation.When first synchro 4 engages with first gear 3 (bottom gear state), the power of driving engine 1 drives 3 rotations of first gear by primary shaft A.At this moment, the power of the power of driving engine 1 output and motor 9 outputs will be compound on the 3rd gear 6, and by output gear 14 outputs, thereby the parallel connection that realizes driving engine 1 and motor 9 drives.When first synchro 4 engages with second gear 5 (top gear state), the power of driving engine 1 will drive 5 rotations of second gear by primary shaft A, this moment driving engine 1 power will by second gear 5, with second gear 5 ingears the 4th gear 8 and with the 4th gear 8 synchronously second B of rotation be delivered to the 3rd gear 6, thereby the parallel connection that realizes driving engine 1 and motor 9 drives.
This parallel running pattern is suitable for vehicle brish acceleration, climbing or situation such as overtake other vehicles under high-speed case, this moment, vehicle can provide the scope of moment of torsion to the demand of moment of torsion greater than motor, therefore needed driving engine participation work, made system enter the parallel running pattern.Under this kind pattern, can use the gearshift functions (even first synchro 4 selects to engage first gear 3 or second gears 5) of two retaining speed-changing mechanisms to regulate engine speed and make engine operation at high efficient area and make machine operation at high efficient area.
Figure 7 shows that the engine drive pattern of hybrid electric drive system of the present invention.As shown in Figure 7, this drive pattern still can have two retaining mode of operations, and wherein the bottom gear mode of operation makes first synchro 4 engage with first gear 3 shown in solid line, and second synchro 4 mediates; The top gear mode of operation is shown in dotted line, and first synchro 4 is engaged with second gear 5, and second synchro 4 engages with the 3rd gear 6.Owing to travelled by driving engine 1 powered vehicle, so power-transfer clutch 2 is in engagement state.At the bottom gear mode of operation, driving engine 1 drives primary shaft A rotation, and primary shaft A drives 3 rotations of first gear by first synchro 4, and first gear 3 drives 6 rotations of the 3rd gear, and the 3rd gear 6 drives output gear 14 rotations with outputting power, and motor 9 is not worked.At the top gear mode of operation, driving engine 1 drives primary shaft A rotation, primary shaft A drives 5 rotations of second gear by first synchro 4, second gear 5 drives 8 rotations of the 4th gear, the 4th gear 8 drives second B rotation, second B drives 6 rotations of the 3rd gear by second synchro 7, thereby drives output gear 14 rotations with outputting power.At this moment, the rotating shaft of motor 9 can be dallied.
This drive pattern only provides power by driving engine 1, and it is not enough or damage and the situation of electric energy can't be provided to be suitable for closed-center system 11 carrying capacities.As mentioned above, this drive pattern has height two retaining mode of operations equally, can regulate engine speed and make engine operation at high efficient area.Under the bottom gear mode of operation, can directly start vehicle.
Figure 8 shows that the original place generating mode of operation of hybrid electric drive system of the present invention.As shown in Figure 8, power-transfer clutch 2 engages, and first synchro 4 engages with second gear 5, and second synchro 7 mediates.At this moment, driving engine 1 drives primary shaft A rotation, and primary shaft A drives 5 rotations of second gear by first synchro 4, second gear 5 drives 8 rotations of the 4th gear, the 4th gear 8 drives second B rotation, thus drive motor 9 generatings, with the electrical power storage sent in closed-center system 11.Because second synchro 7 mediates, thus the 3rd gear 6 do not rotate, thereby no power takeoff.
Cross when low when closed-center system 11 carrying capacities, can select this kind pattern, i.e. start the engine 1 generating when stopping is to guarantee the follow-up cruising of vehicle.Under normal conditions, driving engine 1 starts by the starter motor (not shown).In the present invention, driving engine 1 can start by motor 9.That is to say, can utilize a small amount of electric weight in the closed-center system 11 to come starter motor 9, drag driving engine 1 by motor 9 and start, treat to generate electricity by driving engine 1 drive motor 9 again after driving engine 1 starts.Driving engine 1 drags the discharging that startup can reduce driving engine 1 by motor 9.
Figure 9 shows that the generating mode of operation in service of hybrid electric drive system of the present invention.As shown in Figure 9, power-transfer clutch 2 engages, and first synchro 4 engages with second gear 5, and second synchro 7 engages with the 3rd gear 6.At this moment, driving engine 1 drives primary shaft A rotation, primary shaft A drives 5 rotations of second gear by first synchro 4, second gear 5 drives 8 rotations of the 4th gear, the 4th gear 8 drives second B rotation, second B drives 6 rotations of the 3rd gear by second synchro 7 in drive motor 9 generatings, thereby by output gear 14 outputting powers.That is to say that under this mode of operation, a part of power of driving engine 1 is used for drive motor 9 generatings, another part power travels with powered vehicle by output gear 14 outputs.In addition, under this mode of operation, can pass through the load of electrical generation of motor driver drive motor 9, thereby the propulsive effort of control vehicle makes engine operation at high efficient area.
Figure 10 shows that the feedback generating mode of operation of hybrid electric drive system of the present invention.As shown in figure 10, first synchro 4 mediates, and second synchro 7 engages with the 3rd gear 6.Kinetic energy from wheel generates electricity with recuperated energy through output gear 14, the 3rd gear 6, second synchro 7 and second B drive motor 9.By this mode of operation, can be dragged by motor 9 and be realized vehicle braked.When motor 9 is dragged generation deficiency with abrupt deceleration vehicle, can also be by the engaging clutch 2 anti-driving engines 1 that drag with further raising braking potential.Certainly, also can use the drg on the vehicle to realize the vehicle braked operation.
In addition, because closed-center system 11 of the present invention can also have external charge interface 13, therefore start-up system of the present invention also has the external power charging operating mode.That is be closed-center system 11 chargings, by external charge interface 13.By this operating mode, charge period at low power consumption, for example evening or the late into the night, can the reasonable use civil power.And, utilize commercial power charged Billy with the fuel engines cost of electricity-generating will be low many, therefore reduced the vehicle operation cost, and reduced environmental pollution.
To the scheme drawing of the various different working modes of drive system shown in Figure 10, described motor 9 direct connections are on second B at above-mentioned Fig. 5.As mentioned above, described motor 9 also can pass through driving device, and for example intermeshing first transmission gear 21 and second transmission gear 22 are connected on second B, and this operation mode is identical with above-mentioned situation, no longer is repeated in this description.
Figure 11 to Figure 13 is the scheme drawing of the various different working modes of the hybrid electric drive system of another kind of preferred implementation according to the present invention.
To shown in Figure 13, provide a kind of driving method of hybrid electric drive system as Figure 11, this driving method comprises: provide driving engine 1, power-transfer clutch 2, primary shaft A and second B of being parallel to each other and arranging, motor 9, closed-center system 11 and output gear 14.Described driving engine 1 is connected by described power-transfer clutch 2 with described primary shaft A, and when described power-transfer clutch 2 engaged, described driving engine 1 inputed to described primary shaft A with power.Described motor 9 directly or indirectly is connected with described second B, and be electrically connected with described closed-center system 11, electric energy by receiving described closed-center system 11 is to described second B imput power, perhaps generate electricity by the power that receives described second B, and with the electrical power storage sent in described closed-center system 11.First gear 3, second gear 5 and first synchro 4 are set on described primary shaft A, described first gear 3 and second gear 5 are contained on the described primary shaft A by bearing carrier ring, and described first synchro 4 optionally engages described first gear 3 or second gear 5.The 3rd gear 6, the 4th gear 8, the 5th gear 23 and second synchro 7 are set on described second B, described the 3rd gear 6 and described the 4th gear 8 are fixed on described second B, described the 5th gear 23 is contained on described second B by bearing carrier ring, and described second synchro 7 optionally engages described the 5th gear 23.Described first gear 3 and 6 engagements of described the 3rd gear, described second gear 5 and 8 engagements of described the 4th gear, and described the 5th gear 23 and described output gear 14 engagements.Described output gear 14 is used for perhaps being used for the power from wheel is fed back to described motor 9 with giving wheel from the takeoff output of described driving engine 1 and/or described motor 9, make motor 9 generatings and with the electrical power storage sent in described closed-center system 11.
Described motor 9 can directly be connected with described second B, is used for receiving power to described second B imput power or from described second B.
Described motor 9 also can be connected with described second B by driving device, is used for receiving power to described second B imput power or from described second B.
Described driving device preferably includes intermeshing first transmission gear 21 and second transmission gear 22, described motor 9 is connected with described first transmission gear 21, described first transmission gear 21 is contained on the described primary shaft A by bearing carrier ring, and described second transmission gear 22 is fixed on described second B.
Preferably, the coaxial successively setting of described driving engine 1, power-transfer clutch 2, primary shaft A and motor 9.
As shown in figure 11, second synchro 7 engages with the 5th gear 23, first synchro 4 mediate (being overhead positions).
At this moment, can control system be in pure electronic operating mode.Motor 9 can be used as electrical motor work, drives second B rotation.Because second synchro 7 engages with the 5th gear 23,, travel with powered vehicle so second B drives 23 rotations of the 5th gear, and outputs power by output gear 14.At this moment, owing to first synchro 4 mediates, so will on primary shaft A, dally with the 3rd gear 6 ingears, first gear 3 and with the 4th gear 8 ingears second gear 5.In this drive pattern, driving engine 1 can not participate in work, is only travelled by motor 9 powered vehicle.
Under the normal circumstances, promptly when the carrying capacity abundance of closed-center system 11 and motor 9 satisfy vehicle to the demand of moment of torsion, move with electric-only mode.At this moment, vehicle only provides power by motor 9, and energy source is in closed-center system 11.Under this pattern, can realize directly starting vehicle.Under this pattern, can also realize gear reversing function.9 counter-rotatings of motor driver direct control motor make vehicle realize reversing gear operation.Can save the reverse gear mechanism and the steering unit that reverses gear thereof like this, make that the total system volume reduces, simple in structure, weight saving, cost reduce, reliability strengthens.Under this pattern, do not use the gearshift functions of two retaining speed-changing mechanisms, realize control thereby can control the rotating speed of motor 9 and moment of torsion to vehicle by motor driver.
In addition, can also control system be in the feedback generating operation mode.Kinetic energy from wheel generates electricity with recuperated energy through output gear 14, the 5th gear 23, second synchro 7 and second B drive motor 9.By this mode of operation, can be dragged by motor 9 and be realized vehicle braked.When motor 9 is dragged generation deficiency with abrupt deceleration vehicle, can also be by the engaging clutch 2 anti-driving engines 1 that drag with further raising braking potential.Certainly, also can use the drg on the vehicle to realize the vehicle braked operation.
As shown in figure 12, first synchro 4 engages (shown in solid line) with first gear 3, perhaps engages (shown in dotted line) with second gear 5; Second synchro 4 still engages with the 5th gear 23.
At this moment, can control system be in operating mode in parallel.Motor 9 drives second B rotation, and simultaneously, power-transfer clutch 2 engages, and driving engine 1 drives primary shaft A rotation.When first synchro 4 engages with first gear 3 (bottom gear state), the power of driving engine 1 drives 3 rotations of first gear by primary shaft A.At this moment, the power of the power of driving engine 1 output and motor 9 outputs will be compound on second B, and by the 5th gear 23 and output gear 14 outputs, thereby the parallel connection that realizes driving engine 1 and motor 9 drives.When first synchro 4 engages with second gear 5 (top gear state), the power of driving engine 1 will drive 5 rotations of second gear by primary shaft A, this moment driving engine 1 power will by second gear 5, with second gear 5 ingears the 4th gear 8 and with the 4th gear 8 synchronously second B of rotation be delivered to the 5th gear 6, thereby the parallel connection that realizes driving engine 1 and motor 9 drives.
This parallel running pattern is suitable for vehicle brish acceleration, climbing or situation such as overtake other vehicles under high-speed case, this moment, vehicle can provide the scope of moment of torsion to the demand of moment of torsion greater than motor, therefore needed driving engine participation work, made system enter the parallel running pattern.Under this kind pattern, can use the gearshift functions (even first synchro 4 selects to engage first gear 3 or second gears 5) of two retaining speed-changing mechanisms to regulate engine speed and make engine operation at high efficient area and make machine operation at high efficient area.
In addition, can also control system be in the engine drive operating mode.At the bottom gear mode of operation, driving engine 1 drives primary shaft A rotation, primary shaft A drives 3 rotations of first gear by first synchro 4, first gear 3 drives the 3rd gear 6 and second B rotation, second B rotates with outputting power by second synchro, 7 drive the 5th gears 23 and output gear 14, motor 9 is not worked, and the rotating shaft of motor 9 can be in idling conditions.At the top gear mode of operation, driving engine 1 drives primary shaft A rotation, primary shaft A drives 5 rotations of second gear by first synchro 4, second gear 5 drives 8 rotations of the 4th gear, the 4th gear 8 drives second B rotation, second B drives 23 rotations of the 5th gear by second synchro 7, thereby drives output gear 14 rotations with outputting power.At this moment, the rotating shaft of motor 9 is in idling conditions equally.
This drive pattern only provides power by driving engine 1, and it is not enough or damage and the situation of electric energy can't be provided to be suitable for closed-center system 11 carrying capacities.As mentioned above, this drive pattern has height two retaining mode of operations equally, can regulate engine speed and make engine operation at high efficient area.Under the bottom gear mode of operation, can directly start vehicle.
In addition, can also control system be in generating operation mode in service.Driving engine 1 drives primary shaft A rotation, primary shaft A drives 5 rotations of second gear by first synchro 4, second gear 5 drives 8 rotations of the 4th gear, the 4th gear 8 drives second B rotation, second B is in drive motor 9 generatings, drive 23 rotations of the 5th gear by second synchro 7, thereby by output gear 14 outputting powers.That is to say that under this mode of operation, a part of power of driving engine 1 is used for drive motor 9 generatings, another part power travels with powered vehicle by output gear 14 outputs.In addition, under this mode of operation, can control the load of electrical generation of motor 9 by motor driver, thereby the propulsive effort of control vehicle makes engine operation at high efficient area.
As shown in figure 13, power-transfer clutch 2 engages, and first synchro 4 engages (shown in solid line) with first gear 3, perhaps engages (shown in dotted line) with second gear 5; Second synchro 7 mediates.
At this moment, can control system be in the original place generating operation mode.When first synchro 4 engages with first gear 3 (bottom gear state), the power of driving engine 1 drives first gear 3 and 6 rotations of the 3rd gear by primary shaft A, the 3rd gear 6 drives second B rotation, thus drive motor 9 generatings, with the electrical power storage sent in closed-center system 11.Because second synchro 7 mediates, thus the 5th gear 23 do not rotate, thereby no power takeoff.When first synchro 4 engages with second gear 5 (top gear state), the power of driving engine 1 drives second gear 5 and 8 rotations of the 4th gear by primary shaft A, the 4th gear 8 drives second B rotation, thus drive motor 9 generatings, with the electrical power storage sent in closed-center system 11.Because second synchro 7 mediates, thus the 5th gear 23 do not rotate, thereby no power takeoff.Under this kind operating mode, can use the gear shift function of folk art term speed-changing mechanism to regulate engine speed, make engine operation in the peak efficiency district, and make the high efficient area of machine operation in generating.
Cross when low when closed-center system 11 carrying capacities, can select this kind pattern, i.e. start the engine 1 generating when stopping is to guarantee the follow-up cruising of vehicle.Under normal conditions, driving engine 1 starts by the starter motor (not shown).In the present invention, driving engine 1 can start by motor 9.That is to say, can utilize a small amount of electric weight in the closed-center system 11 to come starter motor 9, drag driving engine 1 by motor 9 and start, treat to generate electricity by driving engine 1 drive motor 9 again after driving engine 1 starts.Driving engine 1 drags the discharging that startup can reduce driving engine 1 by motor 9.
In addition, as mentioned above, because closed-center system 11 of the present invention can also have external charge interface 13, therefore start-up system of the present invention also has the external power charging operating mode.That is be closed-center system 11 chargings, by external charge interface 13.By this operating mode, charge period at low power consumption, for example evening or the late into the night, can the reasonable use civil power.And, utilize commercial power charged Billy with the fuel engines cost of electricity-generating will be low many, therefore reduced the vehicle operation cost, and reduced environmental pollution.
To the scheme drawing of the various different working modes of drive system shown in Figure 13, described motor 9 direct connections are on second B at above-mentioned Figure 11.As mentioned above, described motor 9 also can pass through driving device, and for example intermeshing first transmission gear 21 and second transmission gear 22 are connected on second B, and this operation mode is identical with above-mentioned situation, no longer is repeated in this description.
In sum, the present invention has following features at least:
1, cancels traditional multi-shifting speed variator, adopted structure very simply to be similar to biography Two gear gears of system speed changer, and cancelled reverse gear mechanism, thus saved certain space, this Sample makes system compacter, and the space that takies is littler.
2, the motor that uses of the present invention has enough power, can drive vehicle on level road with High speed is travelled, thereby can guarantee that vehicle can drive with motor under normal conditions, thereby Reduce to the full extent the use of engine, saved the energy, reduced environmental pollution.
3, by the gearratio between each gear of choose reasonable, can make engine and motor all Turn round operating efficiency that like this can the Effective Raise system under the excellent rotating speed.
4, energy storage device has the external charge interface, and is designed to be able to satisfy vehicle with pure electronic worker Condition enough distances of travelling are like this in routine is used, passable in driving such as citys such as on and off duty, shopping Do not use engine fully.
5, this programme has utilized the synchronized in traditional speed changer to finish drive system at each dexterously Therefore conversion between the operating mode has reduced the production cost of system, so that system's control is simple, and improves Reliability.
Claims (27)
1, a kind of hybrid electric drive system, this drive system comprise driving engine (1), power-transfer clutch (2), and the primary shaft (A) and second (B) that are parallel to each other and arrange, motor (9), closed-center system (11) and output gear (14), wherein:
Described driving engine (1) is connected by described power-transfer clutch (2) with described primary shaft (A);
Described motor (9) directly or indirectly is connected with described second (B), and is electrically connected with described closed-center system (11);
Have first gear (3), second gear (5) and first synchro (4) on the described primary shaft (A), described first gear (3) and second gear (5) are contained on the described primary shaft (A) by bearing carrier ring, and described first synchro (4) optionally engages described first gear (3) or second gear (5);
Have the 3rd gear (6), the 4th gear (8) and second synchro (7) on described second (B), described the 3rd gear (6) is contained on described second (B) by bearing carrier ring, described the 4th gear (8) is fixed on described second (B), and described second synchro (7) optionally engages described the 3rd gear (6) or the 4th gear (8);
Described first gear (3) and described the 3rd gear (6) engagement, described second gear (5) and described the 4th gear (8) engagement, and described the 3rd gear (6) and described output gear (14) engagement.
2, hybrid electric drive system according to claim 1, described motor (9) directly is connected with described second (B).
3, hybrid electric drive system according to claim 1, described motor (9) is connected with described second (B) by driving device.
4, hybrid electric drive system according to claim 3, wherein said driving device comprises intermeshing first transmission gear (21) and second transmission gear (22), described motor (9) is connected with described first transmission gear (21), described first transmission gear (21) is contained on the described primary shaft (A) by bearing carrier ring, and described second transmission gear (22) is fixed on described second (B).
5, hybrid electric drive system according to claim 4, wherein said driving engine (1), power-transfer clutch (2), primary shaft (A) and the coaxial successively setting of motor (9).
6, a kind of hybrid electric drive system, this drive system comprise driving engine (1), power-transfer clutch (2), and the primary shaft (A) and second (B) that are parallel to each other and arrange, motor (9), closed-center system (11) and output gear (14), wherein:
Described driving engine (1) is connected by described power-transfer clutch (2) with described primary shaft (A);
Described motor (9) and described second (B) directly or be connected indirectly and are electrically connected with described closed-center system (11);
Have first gear (3), second gear (5) and first synchro (4) on the described primary shaft (A), described first gear (3) and second gear (5) are contained on the described primary shaft (A) by bearing carrier ring, and described first synchro (4) optionally engages described first gear (3) or second gear (5);
Have the 3rd gear (6), the 4th gear (8), the 5th gear (23) and second synchro (7) on described second (B), described the 3rd gear (6) and described the 4th gear (8) are fixed on described second (B), described the 5th gear (23) is contained on described second (B) by bearing carrier ring, and described second synchro (7) optionally engages described the 5th gear (23);
Described first gear (3) and described the 3rd gear (6) engagement, described second gear (5) and described the 4th gear (8) engagement, described the 5th gear (23) and described output gear (14) engagement.
7, hybrid electric drive system according to claim 6, described motor (9) directly is connected with described second (B).
8, hybrid electric drive system according to claim 6, described motor (9) is connected with described second (B) by driving device.
9, hybrid electric drive system according to claim 8, wherein said driving device comprises intermeshing first transmission gear (21) and second transmission gear (22), described motor (9) is connected with described first transmission gear (21), described first transmission gear (21) is contained on the described primary shaft (A) by bearing carrier ring, and described second transmission gear (22) is fixed on described second (B).
10, hybrid electric drive system according to claim 9, wherein said driving engine (1), power-transfer clutch (2), primary shaft (A) and the coaxial successively setting of motor (9).
11, hybrid electric drive system according to claim 6, wherein said the 5th gear (23) are positioned at described driving engine (1) one side.
12, a kind of driving method of hybrid electric drive system, this driving method comprises:
Provide driving engine (1), power-transfer clutch (2), the primary shaft (A) and second (B) that are parallel to each other and arrange, motor (9), closed-center system (11) and output gear (14);
Described driving engine (1) is connected by described power-transfer clutch (2) with described primary shaft (A), and when described power-transfer clutch (2) engaged, described driving engine (1) inputed to described primary shaft (A) with power;
Described motor (9) directly or indirectly is connected with described second (B), and be electrically connected with described closed-center system (11), electric energy by receiving described closed-center system (11) is to described second (B) imput power, perhaps generate electricity, and the electrical power storage of sending is arrived in the described closed-center system (11) by the power that receives described second (B);
First gear (3), second gear (5) and first synchro (4) are set on described primary shaft (A), described first gear (3) and second gear (5) are contained on the described primary shaft (A) by bearing carrier ring, and described first synchro (4) optionally engages described first gear (3) or second gear (5);
The 3rd gear (6), the 4th gear (8) and second synchro (7) are set on described second (B), described the 3rd gear (6) is contained on described second (B) by bearing carrier ring, described the 4th gear (8) is fixed on described second (B), and described second synchro (7) optionally engages described the 3rd gear (6) or the 4th gear (8);
Described first gear (3) and described the 3rd gear (6) engagement, described second gear (5) and described the 4th gear (8) engagement, and described the 3rd gear (6) and described output gear (14) engagement;
Described output gear (14) is used for giving wheel with the takeoff output from described driving engine (1) and/or described motor (9), perhaps be used for the power from wheel is fed back to described motor (9), make motor (9) generating and with the electrical power storage sent in described closed-center system (11).
13, driving method according to claim 12, described motor (9) directly is connected with described second (B), is used for receiving power to described second (B) imput power or from described second (B).
14, driving method according to claim 12, described motor (9) is connected with described second (B) by driving device, is used for receiving power to described second (B) imput power or from described second (B).
15, driving method according to claim 14, wherein said driving device comprises intermeshing first transmission gear (21) and second transmission gear (22), described motor (9) is connected with described first transmission gear (21), described first transmission gear (21) is contained on the described primary shaft (A) by bearing carrier ring, and described second transmission gear (22) is fixed on described second (B).
16, driving method according to claim 15, wherein said driving engine (1), power-transfer clutch (2), primary shaft (A) and the coaxial successively setting of motor (9).
17, driving method according to claim 12, wherein said drive system comprises following operating mode:
Pure electronic operating mode: by motor (9) independent drive, driving engine (1) stops, and power-transfer clutch (2) separates, and first synchro (4) is positioned at midway location, and second synchro (7) engages with the 3rd gear (6);
Operating mode in parallel: by driving engine (1) and the common driving of motor (9), power-transfer clutch (2) engages, and first synchro (4) engages with first gear (3) or second gear (5), and second synchro (7) engages with the 3rd gear (6);
Generating operation mode in service: drive motor (9) generating when driving by driving engine (1), power-transfer clutch (2) engages, and first synchro (4) engages with first gear (3) or second gear (5), and second synchro (7) engages with the 3rd gear (6);
The engine drive operating mode: by driving engine (1) independent drive, power-transfer clutch (2) engages, and first synchro (4) engages with first gear (3) and second synchro (7) is positioned at midway location; Perhaps first synchro (4) engages with second gear (5), and second synchro (7) engages with the 3rd gear (6).
18, driving method according to claim 17, wherein said drive system also comprises following operating mode:
The original place generating operation mode: by driving engine (1) drive motor (9) generating, power-transfer clutch (2) engages, and first synchro (4) engages with second gear (5), and second synchro (7) is positioned at midway location;
The feedback generating operation mode: by kinetic energy drive motor (9) generating from output gear (14), driving engine (1) stops, and first synchro (4) mediates, and second synchro (7) engages with the 3rd gear (6).
19, according to claim 17 or 18 described driving methods, wherein said drive system also comprises following operating mode:
The external power charging operating mode: by external charge interface (13) is closed-center system (11) charging.
20, a kind of driving method of hybrid electric drive system, this driving method comprises:
Provide driving engine (1), power-transfer clutch (2), the primary shaft (A) and second (B) that are parallel to each other and arrange, motor (9), closed-center system (11) and output gear (14);
Described driving engine (1) is connected by described power-transfer clutch (2) with described primary shaft (A), and when described power-transfer clutch (2) engaged, described driving engine (1) inputed to described primary shaft (A) with power;
Described motor (9) directly or indirectly is connected with described second (B), and be electrically connected with described closed-center system (11), electric energy by receiving described closed-center system (11) is to described second (B) imput power, perhaps generate electricity, and the electrical power storage of sending is arrived in the described closed-center system (11) by the power that receives described second (B);
First gear (3), second gear (5) and first synchro (4) are set on described primary shaft (A), described first gear (3) and second gear (5) are contained on the described primary shaft (A) by bearing carrier ring, and described first synchro (4) optionally engages described first gear (3) or second gear (5);
The 3rd gear (6), the 4th gear (8), the 5th gear (23) and second synchro (7) are set on described second (B), described the 3rd gear (6) and described the 4th gear (8) are fixed on described second (B), described the 5th gear (23) is contained on described second (B) by bearing carrier ring, and described second synchro (7) optionally engages described the 5th gear (23);
Described first gear (3) and described the 3rd gear (6) engagement, described second gear (5) and described the 4th gear (8) engagement, and described the 5th gear (23) and described output gear (14) engagement;
Described output gear (14) is used for giving wheel with the takeoff output from described driving engine (1) and/or described motor (9), perhaps be used for the power from wheel is fed back to described motor (9), make motor (9) generating and with the electrical power storage sent in described closed-center system (11).
21, driving method according to claim 20, described motor (9) directly is connected with described second (B), is used for receiving power to described second (B) imput power or from described second (B).
22, driving method according to claim 20, described motor (9) is connected with described second (B) by driving device, is used for receiving power to described second (B) imput power or from described second (B).
23, driving method according to claim 22, wherein said driving device comprises intermeshing first transmission gear (21) and second transmission gear (22), described motor (9) is connected with described first transmission gear (21), described first transmission gear (21) is contained on the described primary shaft (A) by bearing carrier ring, and described second transmission gear (22) is fixed on described second (B).
24, driving method according to claim 20, wherein said driving engine (1), power-transfer clutch (2), primary shaft (A) and the coaxial successively setting of motor (9).
25, driving method according to claim 20, wherein said drive system comprises following operating mode:
Pure electronic operating mode: by motor (9) independent drive, driving engine (1) stops, and power-transfer clutch (2) separates, and first synchro (4) is positioned at midway location, and second synchro (7) engages with the 5th gear (23);
Operating mode in parallel: by driving engine (1) and the common driving of motor (9), power-transfer clutch (2) engages, and first synchro (4) engages with first gear (3) or second gear (5), and second synchro (7) engages with the 5th gear (23);
Generating operation mode in service: drive motor (9) generating when driving by driving engine (1), power-transfer clutch (2) engages, and first synchro (4) engages with first gear (3) or second gear (5), and second synchro (7) engages with the 5th gear (23);
The engine drive operating mode: by driving engine (1) independent drive, power-transfer clutch (2) engages, and first synchro (4) engages with first gear (3) or second gear (5), and second synchro (7) engages with the 5th gear (23).
26, driving method according to claim 25, wherein said drive system also comprises following operating mode:
The original place generating operation mode: by driving engine (1) drive motor (9) generating, power-transfer clutch (2) engages, and first synchro (4) engages with first gear (3) or second gear (5), and second synchro (7) is positioned at midway location;
The feedback generating operation mode: by kinetic energy drive motor (9) generating from output gear (14), driving engine (1) stops, and first synchro (4) mediates, and second synchro (7) engages with the 5th gear (23).
27, according to claim 25 or 26 described driving methods, wherein said drive system also comprises following operating mode:
The external power charging operating mode: by external charge interface (13) is closed-center system (11) charging.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710187782A CN101450609B (en) | 2007-11-30 | 2007-11-30 | Hybrid drive system and method |
| US12/739,312 US8408342B2 (en) | 2007-10-22 | 2008-10-22 | Hybrid power driving system and driving method thereof |
| PCT/CN2008/072783 WO2009056042A1 (en) | 2007-10-22 | 2008-10-22 | Hybrid power driving system and driving method thereof |
| EP08846206.4A EP2210758B1 (en) | 2007-10-22 | 2008-10-22 | Hybrid power driving system and driving method thereof |
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| CN200710187782A CN101450609B (en) | 2007-11-30 | 2007-11-30 | Hybrid drive system and method |
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| CN101450609A true CN101450609A (en) | 2009-06-10 |
| CN101450609B CN101450609B (en) | 2012-09-05 |
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