CN208290960U - Hybrid electric drive system and vehicle - Google Patents
Hybrid electric drive system and vehicle Download PDFInfo
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- CN208290960U CN208290960U CN201721925054.4U CN201721925054U CN208290960U CN 208290960 U CN208290960 U CN 208290960U CN 201721925054 U CN201721925054 U CN 201721925054U CN 208290960 U CN208290960 U CN 208290960U
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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Abstract
本公开涉及一种混合动力驱动系统及车辆。所述系统包括：发动机；第一电机，所述发动机带动所述第一电机进行发电；变速器，所述变速器包括双离合器、第一挡位齿轮组、第二挡位齿轮组、变速器输出轴，所述发动机的输出轴与所述第一挡位齿轮组连接，所述发动机的输出轴与所述第二挡位齿轮组连接，所述双离合器设置在所述第一挡位齿轮组和第二挡位齿轮组的同一侧，所述第一挡位齿轮组和第二挡位齿轮组通过所述双离合器可选择地连接到所述变速器输出轴；输出部，所述输出部用于输出由所述变速器输出轴传递的动力以驱动车辆。
The present disclosure relates to a hybrid drive system and a vehicle. The system includes: an engine; a first motor, the engine drives the first motor to generate electricity; a transmission, the transmission includes a dual clutch, a first gear gear set, a second gear gear set, and a transmission output shaft, The output shaft of the engine is connected to the first gear set, the output shaft of the engine is connected to the second gear set, and the dual clutch is arranged between the first gear set and the second gear set. On the same side of the second gear set, the first gear set and the second gear set are selectively connected to the transmission output shaft through the dual clutch; output, the output is used for output The power transmitted by the output shaft of the transmission is used to drive the vehicle.
Description
Technical field
This disclosure relates to a kind of hybrid electric drive system and vehicle.
Background technique
World today's facing mankind energy shortage and environmental degradation two challenge greatly, 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 sources, realization 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 jointly for vehicle, this results in its structure and is usually relatively complex, and occupied space is larger, higher cost.
Utility model content
Purpose of this disclosure is to provide a kind of simple hybrid electric drive system of structure, which can be realized engine
Two gear drivings.
To achieve the goals above, the disclosure provides a kind of hybrid electric drive system, comprising: engine；First motor,
First motor described in the driven by engine generates electricity；Speed changer, the speed changer include double clutch, the first shift gear
Group, the second gear gear set, transmission output shaft, the output shaft of the engine are connect with the first gear gear set, institute
The output shaft for stating engine is connect with the second gear gear set, and double clutch setting is in the first gear gear set and the
The same side of two gear gear sets, the first gear gear set and the second gear gear set may be selected by the double clutch
Ground is connected to the transmission output shaft；Output section, the output section is used to export to be moved by what the transmission output shaft transmitted
Power is to drive vehicle.
Optionally, the first input shaft of the double clutch is connected to the first gear gear set, the double clutch
The second input shaft be connected to the second gear gear set, the transmission output shaft is connected to the output of the double clutch
End, on the second input shaft, the second input shaft empty set of the double clutch exists the first input shaft empty set of the double clutch
On the transmission output shaft.
Optionally, the speed changer further includes transmission input shaft, the transmission input shaft and the first gear tooth
The connection of wheel group, the transmission input shaft are connect with the second gear gear set, the output shaft of the engine and the change
Fast device inputs axis connection.
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 transmission input shaft is connect with first driving gear,
The transmission input shaft is connect with second driving gear, the first input shaft of the double clutch and described first driven
Gear connection, the second input shaft of the double clutch are connect with second driven gear, the output end of the double clutch
It is connect with the transmission output shaft.
Optionally, the first input shaft of the double clutch and first driven gear are keyed, the double clutch
The second input shaft and second driven gear be keyed, the output end of the double clutch is the shell of the double clutch
Body, the shell key connection of the transmission output shaft and the double clutch, and the transmission output shaft are not passed through described
Shell, first driven gear and the second driven gear empty set are on the transmission output shaft.
Optionally, the first motor is between the engine and speed changer, the line shaft of the first motor
One end is connected with the output shaft of the engine, the other end of the line shaft of the first motor and the transmission input shaft phase
Even.
Optionally, the system also includes clutch, the other end of the line shaft of the first motor and the speed changers
Input shaft is connected by the clutch.
Optionally, the clutch is integrated in the first motor.
Optionally, the output shaft of the engine is connected with the line shaft of the first motor by gear speed increasing mechanism.
Optionally, the gear speed increasing mechanism includes intermeshing first speed increasing gear and the second speed increasing gear, described
The output shaft of the power axis connection of first speed increasing gear and the first motor, second speed increasing gear and the engine connects
It connects, wherein the number of teeth of first speed increasing gear is less than the number of teeth of second speed increasing gear.
Optionally, the system comprises clutch, the output shaft of the engine and the transmission input shafts to pass through institute
Clutch is stated to be connected.
Optionally, the output shaft of the engine is connected with the first motor by tape handler.
Optionally, the system also includes the second motor, second motor transmits power to the transmission output shaft.
Optionally, the system also includes the first transmission gear and the second transmission gear, first transmission gears and
The engagement of one driven gear, second transmission gear are engaged with the second driven gear, and the line shaft of second motor is connected to
First transmission gear, the line shaft of second motor are connected to second transmission gear.
Optionally, the line shaft of second motor and the transmission output shaft are coaxially connected.
In the disclosure, by the combination of double clutch and two shift gear groups, make it possible to by controlling double clutches
Device realizes the switching of two gears, and structure is simple, easy to operate.
The disclosure also provides a kind of vehicle, including hybrid electric drive system as described above.
Other feature and advantage of the disclosure will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is and to constitute part of specification for providing further understanding of the disclosure, 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 a kind of cross-sectional view of assembly method of double clutch and transmission output shaft.
Specific embodiment
It is described in detail below in conjunction with specific embodiment of the attached drawing to the disclosure.It should be understood that this place is retouched
The specific embodiment 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 output power is to drive vehicle.
Speed changer includes double clutch 4, the first gear gear set, the second gear gear set, transmission output shaft 10.Its
In, as shown in Figure 1, the output shaft of engine 1 is connect with the first gear gear set, the output shaft of engine 1 and the second gear tooth
The connection of wheel group, the first gear gear set and the second gear gear set are optionally connected to speed changer output by double clutch 4
Axis 10.
Specifically, the same side of the first gear gear set and the second gear gear set, double clutch is arranged in double clutch 4
4 have the first input shaft 42, the second input shaft 43 and output end 41, and the first input shaft 42 of double clutch 4 is connected to the
One shift gear group, the second input shaft 43 of double clutch 4 are connected to the second gear gear set, the output end 41 of double clutch 4
It is connected to transmission output shaft 10.42 empty set of the first input shaft of double clutch 4 is on the second input shaft 43, the second input shaft 43
Empty set is on transmission output shaft 10.By making two input shafts of double clutch 4 and the coaxial empty set of transmission output shaft 10
The structure for obtaining hybrid electric drive system is more compact, shortens axial length, convenient for arranging on vehicle.
The output end 41 of double clutch 4 can be the shell of double clutch 4, and double clutch 4 further includes two driven discs, double
First input shaft 42 of clutch 4 can be connected by key with one of driven disc, and the second input shaft 43 of double clutch 4 can
To be connected by key with another driven disc.Generally, the shell of double clutch 4 and two driven discs, which can be, all disconnects,
I.e. output end 41 is disconnected with the first input shaft 42 and the second input shaft 43.It is needing that an input shaft and shell is made to be sequentially connected
When, can control corresponding driven disc and engaged with shell so that driven disc drive shell synchronous rotary, i.e., output end 41 with
One of first input shaft 42 and the second input shaft 43 transmission connection, so that from the first input shaft 42 and the second input shaft 43
The power transmitted can be exported by output end 41.
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 output end 41 and two
It is switched between the various modes such as input shaft is all off and one of output end 41 and two input shafts are sequentially connected.
In the disclosure, by the combination of double clutch 4 and two shift gear groups, make it possible to by controlling double clutches
Device 4 realizes the switching of two gears.Specifically, when needing speed changer with the first gear input power, it is defeated to can control first
Enter driven disc corresponding to axis 42 to engage with the shell of double clutch 4, to make the output of the first input shaft 42 and double clutch 4
41 transmission connection of end；When needing speed changer with the second gear input power, it can control driven corresponding to the second input shaft 43
Disk is engaged with the shell of double clutch 4, so that the second input shaft 43 and the output end 41 of double clutch 4 be made to be sequentially connected.
First gear gear set includes 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 embodiments
In, the first gear gear set can be high gear gear set, and the second gear gear set can be low gear gear set.
First driving gear 5 and the second driving gear 7 can be directly installed on the output shaft of engine 1.It is shown in Fig. 1
The first embodiment in, speed changer further includes transmission input shaft 9, and the first driving gear 5 and the second driving gear 7 are pacified
On transmission input shaft 9, the output shaft and transmission input shaft 9 of engine 1 are coaxially connected, so that the power of engine 1
It can be transferred to the first gear gear set and the second gear gear set simultaneously by transmission input shaft 9.First driving gear, 5 He
Second driving gear 7 and 9 synchronous rotary of transmission input shaft.
First driven gear 6 and 8 empty set of the second driven gear are on transmission output shaft 10, as shown in Fig. 5, speed changer
The shell of output shaft 10 and double clutch 4 is keyed, 42 empty set of the first input shaft of double clutch 4 on the second input shaft 43 simultaneously
With the first driven gear 6 be keyed, 43 empty set of the second input shaft of double clutch 4 on transmission output shaft 10 and with second from
Moving gear 8 is keyed.In this case, it since transmission output shaft 10 is not passed through the shell of double clutch 4, does not need
Sealing hydrocarbons structure, simple structure and reliable sealing are additionally arranged between transmission output shaft 10 and the shell of double clutch 4
By force.
Hybrid electric drive system further includes first motor 2, which can both carry out under the drive of engine 1
Power generation, but also as motor to drive vehicle.In the first embodiment shown in Fig. 1, first motor 2 is located at engine
Between 1 and speed changer, one end of the line shaft of first motor 2 is connected with the output shaft of engine 1, and the other end and speed changer input
Axis 9 is connected.Further, the other end of the line shaft of first motor 2 can pass through 11 phase of clutch with transmission input shaft 9
Even.By the way that clutch 11 is arranged, so that when engine 1 drives first motor 2 to be generated electricity, it can be by controlling clutch 11
Separation, speed changer is disengaged from the line shaft of first motor 2, to reduce load, improves generating efficiency.In a kind of implementation
In mode, clutch 11 be can integrate inside first motor 2, to reduce the axial space of hybrid power system, make system knot
Structure is more compact.
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 with for driving vehicle,
But also as generator for generating electricity.
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 12 and the second transmission gear 13 is installed on the line shaft of second motor 3, first driving cog
The line shaft synchronous rotary of wheel 12 and the second transmission gear 13 and the second motor 3, the first transmission gear 12 and the first shift gear
The first driven gear 6 engagement of group, the second transmission gear 13 are engaged with the second driven gear 8 of the second 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 14 and differential mechanism 15.Output gear 14 is mounted on transmission output shaft 10 and rotation synchronous with transmission output shaft 10
Turn, output gear 14 is engaged with the final gear 16 of differential mechanism 15.The function of differential mechanism 15 be when vehicle turning traveling or
On uneven road surface when driving, roll left and right wheels with different angular speed, to guarantee to make pure rolling between two sides wheel and ground
Dynamic movement.Final gear 16 is provided on differential mechanism 15, final gear 16 can for example be arranged in the shell of differential mechanism 15
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, the line shaft of first motor 2 and the output shaft of engine 1
It is connected by gear speed increasing mechanism, so that the revolving speed of first motor 2 is greater than the revolving speed of engine 1, to make engine 1 and the
One motor 2 is used for high efficiency region matching when generator, to improve generating efficiency.Specifically, on the line shaft of first motor 2
First speed increasing gear 17 is installed, the second speed increasing gear 18 is installed on the output shaft of engine 1, the first speed increasing gear 17 with
The engagement of second speed increasing gear 18, the number of teeth of the number of teeth of the first speed increasing gear 17 less than the second speed increasing gear 18.It is not shown at other
Embodiment in, the output shaft of engine 1 can also be connected by tape handler with the line shaft of first motor 2.Specifically
Ground, tape handler may include big belt wheel, small pulley and transmission belt, wherein and the output shaft of engine 1 is connect with big belt wheel,
The line shaft of first motor 2 is connect with small pulley, so that the revolving speed of first motor 2 is greater than the revolving speed of engine 1.
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, the line shaft of the second motor 3 is directly and transmission output shaft
10 is coaxially connected.
Fig. 4 is the schematic block diagram according to the 4th kind of embodiment of the disclosure.4th kind of embodiment with second
The difference of embodiment essentially consists in: in the 4th kind of embodiment, the line shaft of the second motor 3 is directly and transmission output shaft
10 is coaxially connected.
The hybrid electric drive system of the disclosure can have following operating condition；
One, 3 pure electric vehicle operating condition of the second motor.Engine 1 does not work with first motor 2, and the second motor 3 passes through differential mechanism
15 driving wheels.The operating condition is mainly used at the uniform velocity or situations such as urban pavement, while battery electricity with higher.The operating condition
Advantage is that the second motor 3 directly drives, and transmission chain is most short, it is minimum to participate in the component of work, can achieve highest transmission effect
Rate and the smallest noise.
Two, bi-motor pure electric vehicle operating condition.Second motor 3 is main power source, total power output；Supplemented by first motor 2
The power source helped limits power output.One of two input shafts of control double clutch 4 are connected with output end.Two motors
Adjust revolving speed, it is ensured that the angular speed for being transferred to transmission output shaft 10 is consistent.The operating condition is mainly used for accelerating, climbs, overtakes other vehicles, is high
The larger load occasion such as speed, and the higher situation of battery capacity.The operating condition possesses better dynamic property compared to single motor driving
Can, possess better economy and lower noise compared to hybrid power, the typical applications that can more protrude its advantage are
The congestion road conditions of heavy grade (winding road).
Three, operating condition 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 10.The advantages of operating condition be three engines 1, first motor 2 and the second motor 3 simultaneously
Driving, can play maximum power performance.
Four, series connection operating condition.It controls clutch to disconnect, engine 1 drives first motor 2 to generate electricity, the driving of the second motor 3
Wheel.
Five, the independent driving operating condition of engine 1.One of two output shafts of control double clutch 4 are connected with input terminal, and first
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 condition.On the basis of the independent driving operating condition of engine 1, while driving first motor 2
Power generation.
Seven, braking/deceleration feedback operating condition.Second motor 3 generates electricity when the vehicle is braked.The operating condition is mainly used under vehicle
Slope, braking or deceleration.When the advantages of operating condition is to slow down or brake, reach the maximization of feedback energy.
Eight, mixed connection operating condition.On the one hand engine 1 drives first motor 2 to generate electricity, on the other hand by shift gear group and double
Power is transferred to differential mechanism 15 to drive wheel by clutch 4, and the second motor 3 drives wheel by differential mechanism 15.Operating condition master
Be used to accelerating, climb etc. larger load occasion and electricity it is few in the case where.The advantages of operating condition is can to play engine 1
Whole power, not only guaranteed the dynamic property of vehicle, but also can generate electricity simultaneously, 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, make it possible to obtain
Obtain a kind of two-gear transmission that structure is simple and convenient to operate.It, can be certain since the speed changer can provide two gears
The revolving 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 is realized by double clutch 4, and double clutch 4 can allow for
The disconnection process of the engaging process and another driven disc of one driven disc overlaps when shift switching, so that torque be avoided to transmit
Momentary interruption, guarantee 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 in conjunction with attached drawing above, 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 scope of the disclosure.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the disclosure to it is various can
No further explanation will be given for the combination of energy.
In addition, any 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 (16)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721925054.4U CN208290960U (en) | 2017-12-29 | 2017-12-29 | Hybrid electric drive system and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721925054.4U CN208290960U (en) | 2017-12-29 | 2017-12-29 | Hybrid electric drive system and vehicle |
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| CN208290960U true CN208290960U (en) | 2018-12-28 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109986952A (en) * | 2017-12-29 | 2019-07-09 | 比亚迪股份有限公司 | Hybrid drive systems and vehicles |
| CN111845315A (en) * | 2019-04-30 | 2020-10-30 | 博格华纳公司 | Transmission system for vehicle |
| CN113085535A (en) * | 2021-04-12 | 2021-07-09 | 浙江吉利控股集团有限公司 | DMT double-motor hybrid transmission |
| US11453379B2 (en) * | 2019-07-04 | 2022-09-27 | Audi Ag | Method for operating a PHEV and motor vehicle configured therefor |
| CN115214343A (en) * | 2022-07-15 | 2022-10-21 | 广州汽车集团股份有限公司 | Hybrid power coupling system, control method and vehicle |
| CN116160841A (en) * | 2023-01-03 | 2023-05-26 | 广州汽车集团股份有限公司 | Hybrid system, control method and vehicle |
| CN116176254A (en) * | 2023-03-30 | 2023-05-30 | 麦格纳动力总成(江西)有限公司 | Hybrid power driving system and automobile |
| WO2024146208A1 (en) * | 2023-01-03 | 2024-07-11 | 广州汽车集团股份有限公司 | Hybrid power system, control method, and vehicle |
| WO2024179280A1 (en) * | 2023-02-28 | 2024-09-06 | 重庆长安汽车股份有限公司 | Power drive system and vehicle |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109986952A (en) * | 2017-12-29 | 2019-07-09 | 比亚迪股份有限公司 | Hybrid drive systems and vehicles |
| CN111845315A (en) * | 2019-04-30 | 2020-10-30 | 博格华纳公司 | Transmission system for vehicle |
| US11453379B2 (en) * | 2019-07-04 | 2022-09-27 | Audi Ag | Method for operating a PHEV and motor vehicle configured therefor |
| CN113085535A (en) * | 2021-04-12 | 2021-07-09 | 浙江吉利控股集团有限公司 | DMT double-motor hybrid transmission |
| CN115214343A (en) * | 2022-07-15 | 2022-10-21 | 广州汽车集团股份有限公司 | Hybrid power coupling system, control method and vehicle |
| CN116160841A (en) * | 2023-01-03 | 2023-05-26 | 广州汽车集团股份有限公司 | Hybrid system, control method and vehicle |
| WO2024146208A1 (en) * | 2023-01-03 | 2024-07-11 | 广州汽车集团股份有限公司 | Hybrid power system, control method, and vehicle |
| WO2024179280A1 (en) * | 2023-02-28 | 2024-09-06 | 重庆长安汽车股份有限公司 | Power drive system and vehicle |
| CN116176254A (en) * | 2023-03-30 | 2023-05-30 | 麦格纳动力总成(江西)有限公司 | Hybrid power driving system and automobile |
| CN116176254B (en) * | 2023-03-30 | 2024-08-30 | 麦格纳动力总成(江西)有限公司 | Hybrid power driving system and automobile |
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