CN207809041U - Hybrid electric drive system and vehicle - Google Patents

Hybrid electric drive system and vehicle Download PDF

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Publication number
CN207809041U
CN207809041U CN201721924702.4U CN201721924702U CN207809041U CN 207809041 U CN207809041 U CN 207809041U CN 201721924702 U CN201721924702 U CN 201721924702U CN 207809041 U CN207809041 U CN 207809041U
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gear
motor
output shaft
transmission
engine
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CN201721924702.4U
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刘静
华煜
柴领道
张金涛
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BYD Co Ltd
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BYD Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/62Hybrid vehicles

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  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

This disclosure relates to a kind of hybrid electric drive system and vehicle.The system comprises:Engine;First motor, the line shaft of first motor and the output shaft of engine are coaxially connected;Speed changer, speed changer is between engine and first motor, speed changer includes double clutch, the first gear gear set, the second gear gear set, the output shaft of engine and the input terminal of double clutch connect, first output shaft of double clutch is connected to the first gear gear set, and the second output shaft of double clutch is connected to the second gear gear set;Output section, output section are used to export by the first gear gear set or the power of the second gear gear set transmission to drive vehicle.

Description

Hybrid electric drive system and vehicle
Technical field
This disclosure relates to a kind of hybrid electric drive system and vehicle.
Background technology
World today's facing mankind energy shortage and environmental degradation two is challenged greatly, and orthodox car is increasingly subject to oil crisis Serious puzzlement, energy conservation and environmental protection is increasingly becoming the development topic of automobile industry.In recent years, there are two types of different dynamic source, realizations for tool The hybrid vehicle for reducing oil consumption and discharge, has obtained development and application, and put into commodity production and introduce to the market.
Hybrid electric drive system is generally made of engine, generator, motor, electrical source of power etc., engine and dynamic Power power supply provides power for vehicle jointly, this results in its structure and is usually relatively complex, and occupied space is larger, and cost is higher.
Utility model content
Purpose of this disclosure is to provide a kind of hybrid electric drive system simple in structure, which can realize engine Two gear drivings.
To achieve the goals above, the disclosure provides a kind of hybrid electric drive system, including:Engine;First motor, The line shaft of the first motor and the output shaft of the engine are coaxially connected;Speed changer, the speed changer are located at the hair Between motivation and the first motor, the speed changer includes double clutch, the first gear gear set, the second gear gear set, The input terminal of the output shaft of the engine and double clutch connects, and the first output shaft of the double clutch is connected to described the Second output shaft of one shift gear group, the double clutch is connected to the second gear gear set;Output section, the output Portion is used to export by the first gear gear set or the power of the second gear gear set transmission to drive vehicle.
Optionally, the first output shaft empty set of the double clutch is on the second output shaft, and the second of the double clutch Output shaft empty set is on the line shaft of the first motor.
Optionally, the input terminal of the double clutch be the double clutch shell, the side of the shell with it is described The power axis connection of first motor, the output axis connection of the other side of the shell and the engine, makes engine output shaft It is rotated synchronously with the line shaft of the first motor.
Optionally, the line shaft of the side of the shell and the first motor is by key connection, the shell it is another Side and the output shaft of the engine pass through key connection.
Optionally, the input terminal of the double clutch is the shell of the double clutch, the line shaft of the first motor Across the shell with the output axis connection with the engine, the shell empty set on the line shaft of the first motor, The output shaft of the engine is connect with the shell.
Optionally, sealing structure is equipped between the line shaft of the first motor and the shell.
Optionally, the speed changer includes transmission output shaft, the transmission output shaft and first shift gear Group is connected with the second gear gear set, and the transmission output shaft is to the output section passing power.
Optionally, the first gear gear set includes the first driving gear and the first driven gear, second gear Gear set includes the second driving gear and the second driven gear, and the first output shaft of the double clutch is connected to first master Moving gear, the second output shaft of the double clutch are connected to second driving gear, the transmission output shaft and described First driven gear connects, and the transmission output shaft is connected with second driven gear.
Optionally, the system also includes the second motor, the output section is additionally operable to export from second motor Power is to drive vehicle.
Optionally, the line shaft of second motor is connect with the first transmission gear, first transmission gear with it is described First driving gear engages.
Optionally, the line shaft of second motor is connect with the second transmission gear, second transmission gear with it is described First driven gear engages.
Optionally, the line shaft of second motor is connect with third transmission gear, the third transmission gear with it is described Second driving gear engages.
Optionally, the line shaft of second motor is connect with the 4th transmission gear, the 4th transmission gear with it is described Second driven gear engages.
Optionally, the line shaft of second motor is connect with the 5th transmission gear, the 5th transmission gear and the 6th Transmission gear engages, and the 6th transmission gear is connect with the transmission output shaft.
Optionally, the line shaft empty set of second motor is on the line shaft of the first motor.
Optionally, the line shaft of second motor and the transmission output shaft are coaxially connected.
Optionally, the system also includes synchronizer, the 7th transmission gear and the 8th transmission gear, the 7th driving cogs Wheel is engaged with first driven gear, and the 8th transmission gear is engaged with second driven gear, second motor Line shaft the 7th transmission gear or the 8th transmission gear are optionally connected to by the synchronizer.
In the disclosure, pass through the combination of double clutch and two shift gear groups, enabling by controlling double clutches Device realizes the switching of two gears, simple in structure, easy to operate.By by the line shaft of the output shaft of engine and first motor It is coaxially connected, it is achieved that vehicle is under parked state, power generation of the engine to first motor, and engine and first The form of motor direct-connected power generation belongs to the mode of mechanical connection, relatively reliable compared to automatically controlled form;Secondly, eliminate gear, On the one hand the intermediate transmission mechanisms such as belt can reduce load, improve transmission efficiency, on the other hand can allow to first motor Carry out modularized design, it is not necessary to the adjustment of rotor stator, another further aspect engine and the first electricity are done according to the arrangement of transmission mechanism Machine is direct-connected can to reduce noise;Finally, for from space layout, engine, speed changer, first motor are sequentially arranged, fully The axial space of power assembly is utilized, and small to the volumetric constraint of first motor so that type selecting range is big, can be according to whole The concrete condition of vehicle selects suitable motor.
The disclosure also provides a kind of vehicle, including hybrid electric drive system as described above.
Other feature and advantage of the disclosure will be described in detail in subsequent specific embodiment part.
Description of the drawings
Attached drawing is for providing further understanding of the disclosure, and a part for constitution instruction, with following tool Body embodiment is used to explain the disclosure together, but does not constitute the limitation to the disclosure.In the accompanying drawings:
Fig. 1 is the schematic block diagram according to the hybrid electric drive system of the first embodiment of the disclosure;
Fig. 2 is the schematic block diagram according to the hybrid electric drive system of second of embodiment of the disclosure;
Fig. 3 is the schematic block diagram according to the hybrid electric drive system of the third embodiment of the disclosure;
Fig. 4 is the schematic block diagram according to the hybrid electric drive system of the 4th kind of embodiment of the disclosure;
Fig. 5 is the schematic block diagram according to the hybrid electric drive system of the 5th kind of embodiment of the disclosure;
Fig. 6 is the schematic block diagram according to the hybrid electric drive system of the 6th kind of embodiment of the disclosure;
Fig. 7 is the schematic block diagram according to the hybrid electric drive system of the 7th kind of embodiment of the disclosure;
Fig. 8 is the schematic block diagram according to the hybrid electric drive system of the 8th kind of embodiment of the disclosure;
Fig. 9 is a kind of sectional view of assembly method of double clutch and the line shaft of first motor;
Figure 10 is the sectional view of another assembly method of double clutch and the line shaft of first motor.
Specific implementation mode
The specific implementation mode of the disclosure is described in detail below in conjunction with attached drawing.It should be understood that this place is retouched The specific implementation mode stated is only used for describing and explaining the disclosure, is not limited to the disclosure.
Fig. 1 is the schematic block diagram according to the hybrid electric drive system of the first embodiment of the disclosure.Such as Fig. 1 Shown, the hybrid electric drive system according to the first embodiment of the disclosure includes engine 1, speed changer, output section, One motor 2.The power of engine 1 passes to output section by speed changer, and output section exports power to drive vehicle.
Speed changer includes double clutch 4, the first gear gear set, the second gear gear set.Wherein, such as Fig. 1, Fig. 8 and Fig. 9 Shown, double clutch 4 has input terminal 41, the first output shaft 42 and the second output shaft 43, the output shaft of engine 1 and double clutches The input terminal 41 of device 4 connects, and the first output shaft 42 of double clutch 4 is connected to the first gear gear set, and the second of double clutch 4 Output shaft 43 is connected to the second gear gear set.
The input terminal 41 of double clutch 4 can be the shell of double clutch 4, and double clutch 4 further includes two driven discs, double First output shaft 42 of clutch 4 can be with one of driven disc by key connection, and the second output shaft 43 of double clutch 4 can To pass through key connection with another driven disc.Usually, the shell of double clutch 4 and two driven discs can be disconnected all, I.e. input terminal 41 is disconnected with the first output shaft 42 and the second output shaft 43.It, can be with when needing to engage one of driven disc Control shell carries out engagement to synchronous rotary with corresponding driven disc, and driven disc drives corresponding output shaft synchronous to rotate again, I.e. input terminal 41 and one of the first output shaft 42 and the second output shaft 43 are sequentially connected, so that the power that input terminal 41 transmits It can be exported by one in the first output shaft 42 and the second output shaft 43.
Particularly, the shell of double clutch 4 can also be engaged with two driven discs simultaneously, i.e., input terminal 41 can also be simultaneously It is sequentially connected with the first output shaft 42 and the second output shaft 43, so that the power that transmits of input terminal 41 can be simultaneously by the One output shaft 42 and the output of the second output shaft 43.
It should be appreciated that the specific engagement state of double clutch 4 is controlled the influence of strategy, for those skilled in the art For, can according to actually required transmission mode adaptive settings control strategy, so as in input terminal 41 and two It is switched between the various modes such as output shaft is all off and one of input terminal 41 and two output shafts are sequentially connected.
In the disclosure, pass through the combination of double clutch 4 and two shift gear groups, enabling by controlling double clutches Device 4 realizes the switching of two gears.Specifically, when needing speed changer with the first gear input power, double clutches can be controlled The shell of device 4 is engaged with the driven disc corresponding to the first output shaft 42, to make the input terminal 41 and first of double clutch 4 export Axis 42 is sequentially connected;When needing speed changer with the second gear input power, shell and the second output of double clutch 4 can be controlled Driven disc engagement corresponding to axis 43, input terminal 41 and the second output shaft 43 to make double clutch 4 are sequentially connected.
First gear gear set include the first driving gear 5 and the first driven gear 6, the first driving gear 5 and first from Moving gear 6 can be engaged directly, can also be engaged with intermediate gear, to be sequentially connected by the intermediate gear.Second gear Position gear set includes the second driving gear 7 and the second driven gear 8, and the second driving gear 7 and the second driven gear 8 can be direct Engagement, can also engage with intermediate gear, to be sequentially connected by the intermediate gear.First gear gear set can be low Shift gear group, the second gear gear set can be high gear gear set, and but the present disclosure is not limited thereto, in other embodiment In, the first gear gear set can be high gear gear set, and the second gear gear set can be low gear gear set.
Speed changer can also include transmission output shaft 9, and the first driven gear 6 and the second driven gear 8 are installed in change On fast device output shaft 9 so that transmission output shaft 9 can be with 8 synchronous rotary of the first driven gear 6 and the second driven gear.Nothing Power by the power from the first gear gear set still from the second gear gear set, by transmission output shaft 9 to Outer output.
In the first embodiment shown in Fig. 1, hybrid electric drive system further includes first motor 2, speed changer position Between engine 1 and first motor 2, the line shaft 21 and the output shaft of engine 1 of first motor 2 are coaxially connected, double clutches 42 empty set of the first output shaft of device 4 is on the second output shaft 43 of double clutch 4,43 empty set of the second output shaft of double clutch 4 On the line shaft 21 of first motor 2.First motor 2 can both generate electricity under the driving of engine 1, but also as motor To drive vehicle.By the way that the output shaft of engine 1 and the line shaft 21 of first motor 2 is coaxially connected, eliminate in gear etc. Between transmission mechanism, on the one hand can reduce load, improve transmission efficiency, on the other hand can allow to carry out mould to first motor 2 Blockization designs, it is not necessary to the adjustment of rotor stator is done according to the arrangement of transmission mechanism, another further aspect can reduce noise.Moreover, hair Motivation, speed changer, first motor are sequentially arranged, and take full advantage of the space of power assembly axial direction, and to the body of first motor Product limitation is small so that type selecting range is big, can select suitable motor according to the concrete condition of vehicle.By by double clutch 4 Two output shafts and first motor 2 21 coaxial empty set of line shaft so that the structure of hybrid electric drive system is compacter, Convenient for being arranged on vehicle.
In the first embodiment shown in Fig. 1, the line shaft 21 of first motor 2 can be with the output shaft of engine 1 It is directly connected to, can also be connect by the shell of double clutch 4 with the output shaft of engine 1.
Specifically, in a kind of feasible mode, as shown in figure 9, electric with first on the inside of the side of the shell of double clutch 4 The line shaft 21 of machine 2 passes through key connection by key connection, other side outside and the output shaft of engine 1.In this case, by Be not passed through the shell of double clutch 4 in the line shaft 21 of first motor 2, thus need not first motor 2 line shaft 21 with Additionally arrange that sealing hydrocarbons structure, simple structure and reliable sealing are strong between the shell of double clutch 4.
In another feasible mode, as shown in Figure 10, the line shaft 21 of first motor 2 passes through the shell of double clutch 4 Body with the output shaft of engine 1 to be keyed, and the shell empty set of double clutch 4 is on the line shaft 21 of first motor 2, engine 1 output shaft is also keyed with the shell of double clutch 4.In such a case, it is possible in the line shaft 21 of first motor 2 and double Sealing structure is set between the shell of clutch 4, it is ensured that 4 inner sealing of double clutch.
In the first embodiment shown in Fig. 1, hybrid electric drive system further includes the second motor 3, and output section is also For exporting the power from the second motor 3 to drive vehicle.Second motor 3 can not only be used for motor for drive vehicle, But also as generator for power generation.
Second motor 3 can be connected in hybrid electric drive system in several ways.The first reality shown in Fig. 1 It applies in mode, the first transmission gear 11 is installed on the line shaft of second motor 3, first transmission gear 11 and the second motor 3 Line shaft synchronous rotary, which engages with the first driving gear 5 of the first gear gear set.
Output section is configured to for the power that speed changer exports to be transferred to the wheel of vehicle.For example, output section may include Output gear 17 and differential mechanism 18.Output gear 17 is mounted on transmission output shaft 9 and rotation synchronous with transmission output shaft 9 Turn, output gear 17 is engaged with the final gear 19 of differential mechanism 18.The function of differential mechanism 18 be when turn inside diameter traveling or On uneven road surface when driving, left and right wheels are made to be rolled with different angular speed, to ensure to make pure rolling between both sides wheel and ground Dynamic movement.Final gear 19 is provided on differential mechanism 18, final gear 19 can for example be arranged in the shell of differential mechanism 18 On.
Fig. 2 is the schematic block diagram according to second of embodiment of the disclosure.Second of embodiment and the first The difference of embodiment essentially consists in:In the second embodiment, second driving cog is installed on the line shaft of the second motor 3 Wheel 12, which engages with the first driven gear 6 of the first gear gear set.
Fig. 3 is the schematic block diagram according to the third embodiment of the disclosure.The third embodiment and the first The difference of embodiment essentially consists in:In the third embodiment, third driving cog is installed on the line shaft of the second motor 3 Wheel 13, which engages with the second driving gear 7 of the second gear gear set.
Fig. 4 is the schematic block diagram according to the 4th kind of embodiment of the disclosure.4th kind of embodiment and the first The difference of embodiment essentially consists in:In the 4th kind of embodiment, the 4th driving cog is installed on the line shaft of the second motor 3 Wheel 14, the 4th transmission gear 14 is engaged with the second driven gear 8 of the second gear gear set.
Fig. 5 is the schematic block diagram according to the 5th kind of embodiment of the disclosure.5th kind of embodiment and the first The difference of embodiment essentially consists in:In the 5th kind of embodiment, the line shaft of the second motor 3 is connected by a pair of of transmission gear It is connected to transmission output shaft 9, and the line shaft empty set of the second motor 3 is on the line shaft 21 of first motor 2.Specifically, 5th transmission gear 15 is installed on the line shaft of two motors 3, the 6th transmission gear 16 is installed on transmission output shaft 9, the Five transmission gears 15 are engaged with the 6th transmission gear 16.5th kind of embodiment is compared to the advantage of the first embodiment: The line shaft empty set of second motor 3 can be such that two kinds of motors are partly weighed on axial space on the line shaft 21 of first motor 2 It is folded, reduce power assembly radial dimension.
Fig. 6 is the schematic block diagram according to the 6th kind of embodiment of the disclosure.6th kind of embodiment with the 5th kind The difference of embodiment essentially consists in:In the 6th kind of embodiment, the power of the line shaft and first motor 2 of the second motor 3 Axis 21 is arranged in parallel, the no longer coaxial empty set of the two.
Fig. 7 is the schematic block diagram according to the 7th kind of embodiment of the disclosure.7th kind of embodiment and the first The difference of embodiment essentially consists in:In the 7th kind of embodiment, the line shaft and transmission output shaft 9 of the second motor 3 are same Axis connection.Specifically, the line shaft of the second motor 3 for example can be by being keyed or being integrally formed with transmission output shaft 9.
Fig. 8 is the schematic block diagram according to the 8th kind of embodiment of the disclosure.8th kind of embodiment and the first The difference of embodiment essentially consists in:In the 8th kind of embodiment, hybrid electric drive system further includes synchronizer the 20, the 7th Transmission gear 31 and the 8th transmission gear 32, the 7th transmission gear 31 are engaged with the first driven gear 6, the 8th transmission gear 32 with Second driven gear 8 engages, and the 7th transmission gear 31 and 32 empty set of the 8th transmission gear are on the line shaft of the second motor 3, together Step device 20 is arranged on the line shaft of the second motor 3 and between the 7th transmission gear 31 and the 8th transmission gear 32, synchronous Device 20 is selectively engaged with the 7th transmission gear 31 or the 8th transmission gear 32.In this case, the second motor 3 can be real Existing two gears power output.Specifically, when synchronizer 20 is engaged with the 7th transmission gear 31, the power of the second motor 3 passes through successively Cross synchronizer 20, the 7th transmission gear 31, the first driven gear 6, transmission output shaft 9, output gear 17, final gear 19 It is transferred to wheel with differential mechanism 18;When synchronizer 20 is engaged with the 8th transmission gear 32, the power of the second motor 3 passes through successively Synchronizer 20, the 8th transmission gear 32, the second driven gear 8, transmission output shaft 9, output gear 17,19 and of final gear Differential mechanism 18 is transferred to wheel.The hybrid electric drive system of the disclosure can have following operating mode;
One, 3 pure electric vehicle operating mode of the second motor.The input terminal 41 and two output shafts for controlling double clutch 4 disconnect, and start Machine 1 does not work with first motor 2, and the second motor 3 drives wheel by differential mechanism 18.The operating mode be mainly used for starting, in it is low Situations such as speed or urban pavement, while battery has higher electricity.The advantages of operating mode, is that the second motor 3 directly drives, Transmission chain is most short, the component of participation work is minimum, can reach highest transmission efficiency and minimum noise.
Two, bi-motor pure electric vehicle operating mode.Second motor 3 is main power source, total power output;Supplemented by first motor 2 The power source helped limits power output.One of input terminal 41 and two output shafts for controlling double clutch 4 are connected.Two electricity Machine adjusts rotating speed, it is ensured that the angular speed for being transferred to transmission output shaft 9 is consistent.The operating mode is mainly used for accelerating, climbs, overtake other vehicles, The larger load occasions such as high speed, and the higher situation of battery capacity.The operating mode possesses better power compared to single motor driving Performance possesses better economy and lower noise compared to hybrid power, can more protrude the typical applications of its advantage For the congestion road conditions on heavy grade (winding road).
Three, operating mode in parallel.Engine 1, first motor 2 and the second motor 3 drive wheel.Two motor adjustable speeds are to match Close the angular speed of transmission output shaft 9.The advantages of operating mode be three engines 1, first motor 2 and the second motor 3 simultaneously Driving, can play maximum power performance.
Four, series connection operating mode.The input terminal 41 and two output shafts for controlling double clutch 4 disconnect, and engine 1 drives first Motor 2 generates electricity, and the second motor 3 drives wheel.
Five, the independent driving operating mode of engine 1.One of input terminal 41 and two output shafts for controlling double clutch 4 are connected, the One motor 2 and the second motor 3 do not work, and gear switching can be realized by double clutch 4.
Six, the driving of engine 1 charging operating mode.On the basis of the independent driving operating mode of engine 1, while driving first motor 2 Power generation.
Seven, braking/deceleration feedback operating mode.Second motor 3 generates electricity when the vehicle is braked.The operating mode is mainly used under vehicle Slope, braking or deceleration.When the advantages of operating mode is to slow down or brake, reach the maximization of feedback energy.
Eight, series-parallel connection operating mode.On the one hand engine 1 drives first motor 2 to generate electricity, on the other hand pass through double clutch 4 and gear Power is transferred to differential mechanism 18 to drive wheel, the second motor 3 to drive wheel by differential mechanism 18 by position gear set.Operating mode master Be used to accelerate, climb etc. larger load occasion and electricity it is few in the case of.The advantages of operating mode is can to play engine 1 Whole power, not only ensured the dynamic property of vehicle, but also power generation can be carried out at the same time, and kept the electricity of battery.
In the disclosure, by the way that double clutch 4 and two shift gear groups to be dexterously combined together, enabling obtain Obtain a kind of two-gear transmission simple in structure, easy to operate.It, can be certain since the speed changer can provide two gears The rotating speed and torque that engine 1 is adjusted in degree, improve the working efficiency of engine 1.
In the disclosure, the gear switching of speed changer realizes that double clutch 4 can allow for by double clutch 4 The disconnection process of the engaging process and another driven disc of one driven disc overlaps when shift switching, to avoid torque from transmitting Momentary interruption, ensure shift process and vehicle operation ride comfort.The synchronizer more complicated compared to mechanical structure, it is double from Clutch all has greater advantage either in terms of ride comfort or reliability.
The preferred embodiment of the disclosure is described in detail above in association with attached drawing, still, the disclosure is not limited to above-mentioned reality The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical solution of the disclosure Monotropic type, these simple variants belong to the protection domain of the disclosure.
It is further to note that specific technical features described in the above specific embodiments, in not lance In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the disclosure to it is various can The combination of energy no longer separately illustrates.
In addition, arbitrary combination can also be carried out between a variety of different embodiments of the disclosure, as long as it is without prejudice to originally Disclosed thought equally should be considered as disclosure disclosure of that.

Claims (18)

1. a kind of hybrid electric drive system, which is characterized in that including:
Engine (1);
First motor (2), the line shaft (21) and the output shaft of the engine (1) of the first motor (2) are coaxially connected;
Speed changer, for the speed changer between the engine (1) and the first motor (2), the speed changer includes double Clutch (4), the first gear gear set, the second gear gear set, output shaft and the double clutch (4) of the engine (1) Input terminal (41) connects, and the first output shaft (42) of the double clutch (4) is connected to the first gear gear set, described double The second output shaft (43) of clutch (4) is connected to the second gear gear set;
Output section, the output section be used to export the power that is transmitted by the first gear gear set or the second gear gear set with Drive vehicle.
2. system according to claim 1, which is characterized in that the first output shaft (42) empty set of the double clutch (4) On the second output shaft (43), the power of the second output shaft (43) empty set of the double clutch (4) in the first motor (2) On axis (21).
3. system according to claim 2, which is characterized in that the input terminal (41) of the double clutch (4) is described double The shell of clutch (4), the side of the shell are connect with the line shaft (21) of the first motor (2), the shell it is another The output axis connection of side and the engine (1) makes the line shaft of the output shaft and the first motor (2) of engine (1) (21) it rotates synchronously.
4. system according to claim 3, which is characterized in that the side of the shell is dynamic with the first motor (2) Power axis (21) passes through key connection by key connection, the other side of the shell and the output shaft of the engine (1).
5. system according to claim 2, which is characterized in that the input terminal (41) of the double clutch (4) is described double The line shaft (21) of the shell of clutch (4), the first motor (2) passes through the shell with defeated with the engine (1) Go out axis connection, the shell empty set on the line shaft (21) of the first motor (2), the output shaft of the engine (1) with The shell connection.
6. system according to claim 5, which is characterized in that the line shaft (21) of the first motor (2) and the shell Sealing structure is equipped between body.
7. system according to claim 1, which is characterized in that the speed changer includes transmission output shaft (9), the change Fast device output shaft (9) connect with the first gear gear set and the second gear gear set, and the transmission output shaft (9) is to institute State output section passing power.
8. system according to claim 7, which is characterized in that the first gear gear set includes the first driving gear (5) and the first driven gear (6), the second gear gear set include the second driving gear (7) and the second driven gear (8), The first output shaft (42) of the double clutch (4) is connected to first driving gear (5), and the of the double clutch (4) Two output shafts (43) are connected to second driving gear (7), the transmission output shaft (9) and first driven gear (6) it connects, the transmission output shaft (9) and second driven gear (8) connection.
9. system according to claim 8, which is characterized in that the system also includes the second motor (3), the output sections Power of the output from second motor (3) is additionally operable to drive vehicle.
10. system according to claim 9, which is characterized in that the line shaft and the first driving cog of second motor (3) (11) connection is taken turns, first transmission gear (11) is engaged with first driving gear (5).
11. system according to claim 9, which is characterized in that the line shaft and the second driving cog of second motor (3) (12) connection is taken turns, second transmission gear (12) is engaged with first driven gear (6).
12. system according to claim 9, which is characterized in that the line shaft of second motor (3) and third driving cog (13) connection is taken turns, the third transmission gear (13) is engaged with second driving gear (7).
13. system according to claim 9, which is characterized in that the line shaft and the 4th driving cog of second motor (3) (14) connection is taken turns, the 4th transmission gear (14) is engaged with second driven gear (8).
14. system according to claim 9, which is characterized in that the line shaft and the 5th driving cog of second motor (3) Take turns (15) connection, the 5th transmission gear (15) engages with the 6th transmission gear (16), the 6th transmission gear (16) and Transmission output shaft (9) connection.
15. system according to claim 14, which is characterized in that the line shaft empty set of second motor (3) is described On the line shaft (21) of first motor (2).
16. system according to claim 9, which is characterized in that the line shaft of second motor (3) and the speed changer Output shaft (9) is coaxially connected.
17. system according to claim 9, which is characterized in that the system also includes synchronizer (20), the 7th driving cogs Wheel (31) and the 8th transmission gear (32), the 7th transmission gear (31) are engaged with first driven gear (6), and described the Eight transmission gears (32) are engaged with second driven gear (8), and the line shaft of second motor (3) passes through the synchronizer (20) the 7th transmission gear (31) or the 8th transmission gear (32) are optionally connected to.
18. a kind of vehicle, which is characterized in that include the hybrid drive train according to any one of claim 1-17 System.
CN201721924702.4U 2017-12-29 2017-12-29 Hybrid electric drive system and vehicle Active CN207809041U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109986949A (en) * 2017-12-29 2019-07-09 比亚迪股份有限公司 Hybrid electric drive system and vehicle
CN110962569A (en) * 2018-09-29 2020-04-07 比亚迪股份有限公司 Hybrid power driving system and vehicle
CN114211950A (en) * 2021-12-24 2022-03-22 奇瑞汽车股份有限公司 Hybrid power system and vehicle

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109986949A (en) * 2017-12-29 2019-07-09 比亚迪股份有限公司 Hybrid electric drive system and vehicle
CN110962569A (en) * 2018-09-29 2020-04-07 比亚迪股份有限公司 Hybrid power driving system and vehicle
CN114211950A (en) * 2021-12-24 2022-03-22 奇瑞汽车股份有限公司 Hybrid power system and vehicle

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