CN109849640A - A kind of electromechanical coupling transmission device for automotive power - Google Patents
A kind of electromechanical coupling transmission device for automotive power Download PDFInfo
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- CN109849640A CN109849640A CN201910261913.1A CN201910261913A CN109849640A CN 109849640 A CN109849640 A CN 109849640A CN 201910261913 A CN201910261913 A CN 201910261913A CN 109849640 A CN109849640 A CN 109849640A
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- planetary gear
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- sun gear
- electromechanical coupling
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 29
- 230000008878 coupling Effects 0.000 title claims abstract description 20
- 238000010168 coupling process Methods 0.000 title claims abstract description 20
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 230000009347 mechanical transmission Effects 0.000 claims description 4
- 230000009467 reduction Effects 0.000 abstract description 18
- 238000005183 dynamical system Methods 0.000 abstract description 4
- 238000003754 machining Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The invention discloses a kind of electromechanical coupling transmission devices for automotive power, including two motors, planetary gear mechanism, reduction gearing, differential mechanism.Planetary gear mechanism uses two sun gears and staged planetary gear set, avoids reducing parts machining difficulty using ring gear.Dynamical system realizes power dividing drive mode, realizes vehicle stepless shift function by the control of bi-motor, engine can be made not influenced by driving cycle utmostly, worked in low oil consumption section.
Description
Technical field
The invention belongs to vehicle drive-train technical fields, are specifically exactly to be related to a kind of use of deep hybrid power automobile
In the electromechanical coupling transmission device of automotive power.
Background technique
In order to cope with energy problem and environmental protection pressure, automobile dynamic system motorized has become development trend, and mixing is dynamic
Force system technology maturation, has produced in enormous quantities, becomes power-saving technology route important at this stage.The power dividing of bi-motor is mixed
Closing dynamical system can be realized engine operation range optimization, reduce complete-vehicle oil consumption.Such technology path is with Toyota Motor Corporation
Hybrid power product be representative, using typical single planetary row mechanism as power coupling mechanism, and have been carried out large quantities of
Amount production.But existing transmission device is more demanding to the working ability of planet arrangement mechanism, improves production cost.
Summary of the invention
The invention patent purpose is to provide a kind of electromechanical coupling transmission device for automotive power, mixed for depth
Dynamical system is closed, to optimize engine as the main purpose, reduces complete-vehicle oil consumption.
For achieving the above object, the following technical solutions are proposed:
A kind of electromechanical coupling transmission device for automotive power, it includes planetary gear dynamic branch mechanism,
Be characterized in that: planetary gear dynamic branch mechanism include the first sun gear, first planetary gear, the second planetary gear,
Second sun gear and planet carrier, first sun gear are engaged with first planetary gear, the second planetary gear and the second sun gear
Engagement, the first planetary gear and second planetary gear, which link together, constitutes step planetary gear set, and described
Stepwise planetary gear set rotation and can revolve on the planet carrier around first sun gear and second sun gear,
Several step planetary gear sets are arranged on the planet carrier circumference, it is straight between first sun gear and generator rotor shaft
It connects and connects or uses mechanical transmission mechanism and be driven, generator rotor shaft is connect with the rotor of generator ISG, and described second too
Sun wheel and the first axis connection, input shaft of the first axle as transmission device, the planet carrier and the second axis connection, described the
Output shaft of two axis as planetary gear power coupling mechanism, is directly connected to or adopts between driving motor armature spindle and the second axis
It is driven with mechanical transmission mechanism, the rotor connection of driving motor armature spindle and driving motor.
Further, between first sun gear and generator rotor shaft using being directly connected to or the gear mechanism of fixed speed ratio
Structure transmission or chain drive.
Further, between the driving motor armature spindle and the second axis using being directly connected to or the gear mechanism of fixed speed ratio
Transmission or chain drive.
Further, the first axle is connect directly or by first clutch with engine ICE.
Further, the first brake is arranged between the generator rotor shaft and gear mechanism housing.
Further, second brake or the one-way clutch with revolving speed limitation function are arranged in the first axle.
Beneficial effect
The present invention uses a kind of electromechanical coupling transmission device for automotive power, realizes power dividing Working mould
Formula.The transmission device uses planetary dynamic branch mechanism, which is avoided using being made of cylindrical external gear
Using ring gear, there is structure novel, it is easy to manufacture, reduce product cost.It can be used when program pure motor driving
Two motors drive simultaneously, realize electric machine operation state optimization, improve electric-only mode system effectiveness, meet plug-in mixed motor-car
Type application is a hardware and software platform technical solution.
Detailed description of the invention
Attached drawing 1 is the mixed power plant structural schematic diagram that precursor vehicle is used in the embodiment of the present invention 1.
Attached drawing 2 is the mixed power plant structural schematic diagram that rear-guard vehicle is used in the embodiment of the present invention 1.
Specific embodiment
With reference to the accompanying drawings and examples, invention is further described in detail.
Embodiment 1
As shown in Fig. 1, a kind of electromechanical coupling transmission device for precursor vehicle, including planetary dynamic branch machine
The elements such as structure, generator ISG, driving motor TM, reduction gearing, differential mechanism, clutch and brake.
Planetary gear dynamic branch mechanism includes the first sun gear 3, first planetary gear 5, the second planetary gear
6, the second sun gear 4 and planet carrier 7, first sun gear 3 are engaged with first planetary gear 5, the second planetary gear 6 and second
Sun gear 4 engages, and the first planetary gear 5 links together with second planetary gear 6 constitutes step planetary gear
Group and can on the planet carrier 7 rotation and around first sun gear 3 and second sun gear 4 revolution, the row
Several step planetary gear sets are arranged on 7 circumference of carrier.First sun gear 3 is directly connected to generator rotor shaft 8,
The rotor 16 of generator ISG is connect with generator rotor shaft 8.Is arranged between generator rotor shaft 8 and gear mechanism housing 0
One brake B1, generator ISG will be locked up as zero speed when the first brake B1 is closed.Second sun gear 4 and first
Axis 1 connects, and input shaft of the first axle 1 as transmission device is connect by first clutch C1 with engine ICE.The planet
Frame 7 is connect with the second axis 2, output shaft of second axis 2 as planetary gear dynamic branch mechanism.It installs and subtracts on the second axis 2
Fast gear 9 is engaged with the reduction gearing 10 on gear shaft coupling 13, is formed the first order and is slowed down；Small reduction gearing on gear shaft coupling 13
11 engage with differential mechanism final gear 12, form the second level and slow down.Power reaches differential mechanism 20 by double reduction gearing, then
Vehicle is driven through semiaxis 15.Driving motor armature spindle 22 is connect with the rotor 18 of driving motor (TM), driving motor armature spindle 22
Upper installation reduction gearing 14, reduction gearing 14 is engaged with reduction gearing 10.The torque of driving motor (TM) output will pass sequentially through
Reduction gearing 14, reduction gearing 10, reduction gearing 11, reduction gearing 12 are transferred to differential mechanism 20.Multimode is arranged on input shaft 1
Formula one-way clutch MOWC (Multi-mode One Way Clutch) can be such that input shaft 1 turns clockwise according to drive mode
Speed or rotate counterclockwise or it is two-way be freely rotated, three kinds of rotary states.The stator 17 of generator (ISG) and driving motor (TM)
Stator 19 is fixed on gear mechanism housing.
When pure electric vehicle forward travel, first clutch C1 is opened, and control multi-mode one-way clutch MOWC limits input shaft 1
It rotates counterclockwise and (defines the rotation direction of engine as clockwise), can be operated alone using driving motor TM, it can also
To drive vehicle jointly with generator ISG.When pure electric vehicle is moved backward, control multi-mode one-way clutch MOWC limitation input shaft 1 is suitable
Hour hands rotation, generator ISG and driving motor TM drive simultaneously.
When entering hybrid mode by pure motor driving, engine is dragged to igniting and turned by closure first clutch C1
Speed completes engine starting process.Power system operational is in power dividing drive mode.Input shaft 1, generator rotor shaft 8,
Two axis 2 constitute three shaft transmission systems, and planetary gear dynamic branch mechanism realizes engine ICE, generator ISG and power
Power coupling between output.Generator ISG work obtains power from the end engine ICE and turns in positive revolving speed negative torque state
It changes electric energy into use for driving motor TM or be stored in battery, so that the Partial Power of engine ICE is in the form of electrical power
Transmitting, remaining power transmits with mechanical path, and when power system operational shows the feature of power dividing.Generator ISG passes through
Itself rotational speed regulation makes engine ICE work in low oil consumption section, so that engine ICE be avoided to be influenced by driving cycle.With
The increase of speed, the revolving speed of output shaft 2 gradually increase, generator ISG revolving speed will drop near zero speed, be closed first at this time
Brake B1 locks generator ISG, realizes pure engine ICE driving, can be improved the operational efficiency of entire dynamical system.
Embodiment 2
As shown in Fig. 2, which is a hybrid transmissions for rear-guard vehicle, and input shaft 1 is direct
It is connect with engine flywheel damper FW, generator ISG and driving motor TM pass through reduction gearing and dynamic branch organ
Connection, realization match the purpose of torquey engine with small machine, reduce product cost.
Reduction gearing 23 is connected on the first sun gear 3 to engage with the reduction gearing 24 on generator rotor shaft 8.Driving electricity
Reduction gearing 26 is installed to engage with the reduction gearing 25 on output shaft 2 on machine rotor axis 22.Output shaft 2 is as the dynamic of transmission device
Power output shaft and vehicle main reducing gear flanged joint.Generator ISG and driving motor TM not directly with planetary gear power
Diversion mechanism connection first passes through reduction gearing and carries out torque increase square, realizes the power matching with torquey engine, reduces motor and turns round
Square requirement.
It is operated alone when pure motor driving using driving motor TM, due to being not provided with brake or unidirectional on input shaft
Clutch, generator ISG cannot participate in pure electric vehicle driving, otherwise can drag engine rotation.
Engine ICE starting is directly dragged using generator ISG, with power dividing mode operation when hybrid mode,
Realize E-CVT stepless shift function.
Claims (6)
1. a kind of electromechanical coupling transmission device for automotive power, it includes planetary gear dynamic branch mechanism, special
Sign is: planetary gear dynamic branch mechanism includes the first sun gear (3), first planetary gear (5), the second planet tooth
Wheel (6), the second sun gear (4) and planet carrier (7), first sun gear (3) are engaged with first planetary gear (5), the second row
Star gear (6) is engaged with the second sun gear (4), and the first planetary gear (5) and second planetary gear (6) are connected to one
It rises and constitutes step planetary gear set, the step planetary gear set being capable of the rotation and around institute on the planet carrier (7)
The first sun gear (3) and second sun gear (4) revolution are stated, arranges several step rows on planet carrier (7) circumference
Star gear set is directly connected between first sun gear (3) and generator rotor shaft (8) or is carried out using mechanical transmission mechanism
Transmission, generator rotor shaft (8) are connect with the rotor (16) of generator (ISG), second sun gear (4) and first axle (1)
Connection, input shaft of the first axle (1) as transmission device, the planet carrier (7) connect with the second axis (2), and described second
Output shaft of the axis (2) as planetary gear power coupling mechanism, between driving motor armature spindle (22) and the second axis (2) directly
It connects or uses mechanical transmission mechanism to be driven, driving motor armature spindle (22) is connect with the rotor (18) of driving motor.
2. a kind of electromechanical coupling transmission device for automotive power according to claim 1, it is characterised in that: institute
It states between the first sun gear (3) and generator rotor shaft (8) using being directly connected to or the gear mechanism transmission or chain of fixed speed ratio
Item transmission.
3. a kind of electromechanical coupling transmission device for automotive power according to claim 1, it is characterised in that: institute
It states between driving motor armature spindle (22) and the second axis (2) using being directly connected to or the gear mechanism transmission or chain of fixed speed ratio
Transmission.
4. a kind of electromechanical coupling transmission device for automotive power according to claim 1, it is characterised in that: institute
It states first axle (1) and is connect directly or by first clutch (C1) with engine (ICE).
5. a kind of electromechanical coupling transmission device for automotive power according to claim 1, it is characterised in that: institute
It states and arranges the first brake (B1) between generator rotor shaft (8) and gear mechanism housing (0).
6. a kind of electromechanical coupling transmission device for automotive power according to claim 1, it is characterised in that: institute
It states and arranges second brake (B2) or the one-way clutch with revolving speed limitation function on first axle (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910261913.1A CN109849640A (en) | 2019-04-02 | 2019-04-02 | A kind of electromechanical coupling transmission device for automotive power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910261913.1A CN109849640A (en) | 2019-04-02 | 2019-04-02 | A kind of electromechanical coupling transmission device for automotive power |
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| Publication Number | Publication Date |
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| CN109849640A true CN109849640A (en) | 2019-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910261913.1A Pending CN109849640A (en) | 2019-04-02 | 2019-04-02 | A kind of electromechanical coupling transmission device for automotive power |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111284333A (en) * | 2020-02-11 | 2020-06-16 | 江苏大学 | Automatic driving vehicle and high-efficiency double-motor driving steering coupling system and control method thereof |
| CN112046267A (en) * | 2020-07-27 | 2020-12-08 | 西安交通大学 | Input split-flow type two-gear transmission system for hybrid electric vehicle and vehicle |
| CN114851827A (en) * | 2022-05-27 | 2022-08-05 | 奇瑞汽车股份有限公司 | Gearbox, hybrid power system and automobile |
| CN115157997A (en) * | 2022-08-09 | 2022-10-11 | 奇瑞汽车股份有限公司 | Gearbox, hybrid power system and automobile |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105480076A (en) * | 2016-01-18 | 2016-04-13 | 李岳 | Planetary differential power coupling device |
| CN109203986A (en) * | 2018-11-14 | 2019-01-15 | 上海汉老汽车科技有限公司 | A kind of two grades of electric drive transmission devices |
| CN109203972A (en) * | 2018-11-14 | 2019-01-15 | 上海汉老汽车科技有限公司 | A kind of double-motor hybrid power system transmission device |
| CN210257985U (en) * | 2019-04-02 | 2020-04-07 | 吴燕开 | Electromechanical coupling transmission device for vehicle power system |
-
2019
- 2019-04-02 CN CN201910261913.1A patent/CN109849640A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105480076A (en) * | 2016-01-18 | 2016-04-13 | 李岳 | Planetary differential power coupling device |
| CN109203986A (en) * | 2018-11-14 | 2019-01-15 | 上海汉老汽车科技有限公司 | A kind of two grades of electric drive transmission devices |
| CN109203972A (en) * | 2018-11-14 | 2019-01-15 | 上海汉老汽车科技有限公司 | A kind of double-motor hybrid power system transmission device |
| CN210257985U (en) * | 2019-04-02 | 2020-04-07 | 吴燕开 | Electromechanical coupling transmission device for vehicle power system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111284333A (en) * | 2020-02-11 | 2020-06-16 | 江苏大学 | Automatic driving vehicle and high-efficiency double-motor driving steering coupling system and control method thereof |
| CN112046267A (en) * | 2020-07-27 | 2020-12-08 | 西安交通大学 | Input split-flow type two-gear transmission system for hybrid electric vehicle and vehicle |
| CN112046267B (en) * | 2020-07-27 | 2022-04-01 | 西安交通大学 | Input split-flow type two-gear transmission system for hybrid electric vehicle and vehicle |
| CN114851827A (en) * | 2022-05-27 | 2022-08-05 | 奇瑞汽车股份有限公司 | Gearbox, hybrid power system and automobile |
| CN115157997A (en) * | 2022-08-09 | 2022-10-11 | 奇瑞汽车股份有限公司 | Gearbox, hybrid power system and automobile |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200623 Address after: No.36, building 35, Lane 328, Hengyong Road, Jiading District, Shanghai, 201800 Applicant after: SHANGHAI SYNETEC POWER SYSTEM Co.,Ltd. Address before: Room 1, unit 13, building 501, building 579, Bay Road, 266000, Huangdao District, Shandong, Qingdao Applicant before: Wu Yankai |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240204 Address after: 273100 No.3 Youlin Road, Qufu City, Jining City, Shandong Province Applicant after: Xinlian power (Qufu) Co.,Ltd. Country or region after: China Address before: 201800 No.36, building 35, Lane 328, Hengyong Road, Jiading District, Shanghai Applicant before: SHANGHAI SYNETEC POWER SYSTEM CO.,LTD. Country or region before: China |