CN109159659A - Pure electric vehicle double speed dynamical system and its driving method - Google Patents
Pure electric vehicle double speed dynamical system and its driving method Download PDFInfo
- Publication number
- CN109159659A CN109159659A CN201811179664.3A CN201811179664A CN109159659A CN 109159659 A CN109159659 A CN 109159659A CN 201811179664 A CN201811179664 A CN 201811179664A CN 109159659 A CN109159659 A CN 109159659A
- Authority
- CN
- China
- Prior art keywords
- gear
- electric vehicle
- motor
- pure electric
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005183 dynamical system Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 3
- 238000009960 carding Methods 0.000 abstract description 2
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 206010063493 Premature ageing Diseases 0.000 description 2
- 208000032038 Premature aging Diseases 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
- B60K17/08—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing of mechanical type
Abstract
The invention discloses a kind of pure electric vehicle double speed dynamical system and its driving method, the motor shaft of motor is drivingly connected output shaft, connects at least one shaft by multiple groups planet row between the motor and output shaft.Motor is outputed power by planet row, planet row plays the role of buffer speed, give full play to bearing capacity, caused by solving because of motor speedy carding process various drawbacks, and, superposition power is remerged after first shunting power by multiple groups planet row, reduce final output driving force attenuation problem, guarantee electric vehicle strong impetus, and when by implementing braking planetary gear, dynamical system is set to realize the double speed mode of high speed and low speed, it is able to achieve electronic parking function also to reduce electronic control system deployment cost, it is particularly adapted to provide dynamical system for pure electric vehicle.
Description
Technical field
The invention belongs to automotive powers, are specifically related to a kind of power-driven power system and its driving applied to vehicle
Method.
Background technique
With pure electric vehicle market fast development, how to design higher efficiency, more strong power, bigger power to weight ratio, it is higher can
Become one of pure electric vehicle research core content by property and more inexpensive power assembly.Driving motor light weight high speed is with big
Speed ratio single speed retarder gradually replaces current low speed large size driving motor on the market to match small speed ratio single speed retarder scheme, together
When also there is the medium-sized driving motor of middle low speed with double speed AMT and small speed ratio speed reducer scheme.However, above scheme exist with
Lower problem: for low speed large size driving motor is with small speed ratio speed reducer scheme, driving motor volume weight is at high cost, drives
Low efficiency, heat production seriously causes various route premature agings to fail when occupying chassis space big, large torque output, while for reality
Existing electronic parking has to increase a set of electronic parking device, increases certain cost, thus, the program is gradually given up at present
It abandons；For light weight high speed driving motor is with large speed ratio retarder scheme, high-speed driving motor is used so that driving electricity
Machine volume weight is decreased obviously, however, have to due to introducing high revolving speed using high-speed bearing and lubrication assistant cooling way,
The especially processing of vibrating noise problem results in the increase of cost；In addition, in driven at low speed and high-speed driving stage, according to
There are problems that high current causes various high yield thermal conductivities to cause various route premature agings, while so in order to realize that electronic parking is had to
Increase a set of electronic parking device, increase certain cost, therefore, the program is also at market approval and Qualify Phase；For
For the middle medium-sized driving motor of low speed is with double speed AMT and small speed ratio speed reducer scheme, although solving big electricity to a certain extent
Stream and heat production problem, however, problem is difficult to overcome in terms of smooth gear shifting, reliability and power interruption, while in order to realize
Electronic parking has to increase a set of electronic parking device, keeps its cost high, therefore, it is difficult to which high-volume is promoted.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of simple structure, vibrating noise is small, power to weight ratio is big, it is high-efficient,
The pure electric vehicle double speed dynamical system and its driving method of high reliablity and low cost.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention are as follows: a kind of pure electric vehicle double speed dynamical system, packet
Motor is included, the motor shaft of motor is drivingly connected output shaft, between the motor and output shaft at least by the connection of multiple groups planet row
One shaft.
Further, the planet row includes at least two groups and mutually linkage, every group of planet row center are coaxial with shaft
Installation.
Further, the second gear ring of the electric machine shaft driving connection, second the second planetary gear of gear ring Inside gear drive, second
Planetary gear external toothing is driven the second sun gear；Second gear ring installs the first pivoted arm, and the first pivoted arm installs the first planetary gear, the
One planetary gear external toothing is driven the first sun gear and first the first gear ring of planetary gear Inside gear drive；Second sun gear and
One sun gear is co-axially mounted shaft；Second planetary gear installs the second pivoted arm, and the second pivoted arm connects output shaft.
Further, first gear ring connects another shaft.
Further, by input gear the second gear ring of transmission connection, the interior outside of the second gear ring is set the motor shaft
It is equipped with internal tooth and external tooth, the second gear ring external tooth external toothing connects input gear, and the second gear ring internal tooth internal messing connects the second planet
Wheel.
Another technical solution that the present invention uses are as follows: pure electric vehicle double speed driving method, it is electric when braking the first gear ring
Machine starts and drives the second gear ring, and the second gear ring is driven the first pivoted arm and the second planetary gear, the first pivoted arm are passed through the first planetary gear
Dynamic first sun gear and the second sun gear, the second sun gear are driven the second planetary gear, and the second planetary gear obtains superposition power transmission
Second pivoted arm, final output are run at high speed to output shaft generation.
Further, electric motor starting and the second gear ring of driving when braking the first sun gear and the second sun gear, the
Two gear rings are driven the second planetary gear, second the second pivoted arm of planet gear transmission, and final output to output shaft generation is run at a low speed.
Implement above-mentioned technical proposal, since motor is outputed power by planet row, planet row plays the work of buffer speed
With, give full play to bearing capacity, caused by solving because of motor speedy carding process various drawbacks, moreover, pass through multiple groups planet
Row remerges superposition power after first shunting power, reduces final output driving force attenuation problem, guarantees that electric vehicle is powerful dynamic
Power, and when braking planetary gear by implementation, so that dynamical system is realized the double speed mode of high speed and low speed, moreover it is possible to realize that electronics is stayed
Vehicle function is particularly adapted to provide dynamical system for pure electric vehicle to reduce electronic control system deployment cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of pure electric vehicle double speed dynamical system.
In figure: 1- motor；2- input shaft；3- input gear；4- low speed shift disk；5- low speed selector；6- low or first gear turns
Axis；7- high-speed gear-shifting disk；8- high-speed gear-shifting device；9- top gear shaft；The first gear ring of 10-；The first planetary gear of 11-；12- first is too
Sun wheel；The first pivoted arm of 13-；14- connector；The second planetary gear of 15-；The second sun gear of 16-；The second pivoted arm of 17-；The second tooth of 18-
Circle；19- output shaft.
Specific embodiment
Specific embodiments of the present invention will be further explained with reference to the accompanying drawing.It should be noted that for
The explanation of these embodiments is used to help understand the present invention, but and does not constitute a limitation of the invention.In addition, disclosed below
The each embodiment of the present invention involved in technical characteristic can be combined with each other as long as they do not conflict with each other.
As shown in Figure 1, pure electric vehicle double speed dynamical system is mainly by motor 1, low or first gear shaft 6, top gear shaft 9, first
Planet row, the second planet row and two groups of gearshifts form, wherein low or first gear shaft 6, the first planet row and the second planet row
Sequentially coaxially install.
The motor shaft of motor 1 is connect by input shaft 2 with input gear 3, and input gear 3 can be spur gear and be also possible to
Helical gear.Second simultaneous processing on internal and external circumference of gear ring 18 has internal tooth and external tooth, the external tooth of input gear 3 and the second gear ring 18
External toothing, the external tooth of the second gear ring 18 can be straight-tooth and be also possible to helical teeth.
First planet row is made of the first sun gear 12, the first planetary gear 11, the first pivoted arm 13 and the first gear ring 10, and first
11 external toothing of sun gear 12 and the first planetary gear, 10 internal messing of the first planetary gear 11 and the first gear ring, the installation of the first planetary gear 11
On the first pivoted arm 13, the first pivoted arm 13 is fixedly connected by connector 14 with the second gear ring 18.
Second planet row is made of the second sun gear 16, the second planetary gear 15, the second pivoted arm 17 and the second gear ring 18, and second
15 external toothing of sun gear 16 and the second planetary gear, the internal tooth internal messing of the second planetary gear 15 and the second gear ring 18, the second planetary gear
15 the second pivoted arms 17 of installation, the second pivoted arm 17 connect output shaft 19.
Low speed shifting disc 4, the first sun gear 12, the second sun gear 16 are successively fixedly mounted in low or first gear shaft 6.Low speed
Selector 5 is made of executive device and left and right friction block, and low speed shifting disc 4 is mounted on a left side for low speed selector 5 by certain interval
Between right friction block；When low speed selector pushes left and right friction block to clamp braking low speed shifting disc by executive device, first
Sun gear and the second sun gear are in lockup state, and pure electric vehicle double speed dynamical system is in low gear mode.
High-speed gear-shifting disk 7 and the first gear ring 10 are fixedly mounted in top gear shaft 9.High-speed gear-shifting device 8 is by executive device
It is formed with left and right friction block, high-speed gear-shifting disk 7 is mounted between the left and right friction block of high-speed gear-shifting device 8 by certain interval；Work as height
When quick change lug-latch pushes left and right friction block to clamp braking high-speed gear-shifting disk by executive device, the first gear ring is in lockup state,
Pure electric vehicle double speed dynamical system is in high gear mode.
Pure electric vehicle double speed dynamical system has four kinds of drive modes:
1, top gear drive mode.When the high speed of vehicle demand when driving, high-speed gear-shifting device 8 closure and low speed selector 5
Release, in turn, high-speed gear-shifting disk 7 are in locking on-position, and low speed shift disk 4 is in and state, i.e. the first gear ring is freely rotated
10 are in lockup state, and the first sun gear 12 and the second sun gear 16, which are in, is freely rotated state.Motor 1 obtains from vehicle power supply
It obtains electric energy and is converted into passing to input gear 3 by input shaft 2 after power, input gear 3 is driven by external toothing and passes power
The second gear ring 18 is passed, power a part is passed to the first pivoted arm 13, the first pivoted arm 13 warp through connector 14 by the second gear ring 18
First planetary gear 11 imparts power to the first sun gear 12 and the second sun gear 16, and the second sun gear 16 imparts power to
Two planetary gears 15；An other power is passed to the second planetary gear 15 by the second gear ring 18；Second pivoted arm 17 folds two road power
The output of output shaft 19 is passed to after adding.
2, low or first gear drive mode.When speed low in vehicle demand when driving, low speed selector 5 closure and high-speed gear-shifting device
8 releases, in turn, low speed shift disk 4 are in locking on-position, and high-speed gear-shifting disk 7 is in and state, i.e. first sun is freely rotated
Wheel 12 and the second sun gear 16 are in lockup state, and the first gear ring 10 is in and state is freely rotated.Motor 1 obtains from vehicle power supply
It obtains electric energy and is converted into passing to input gear 3 by input shaft 2 after power, input gear 3 is driven by external toothing and passes power
The second gear ring 18 is passed, since the second sun gear 16 is in lockup state, the second gear ring 18 passes power through the second planetary gear 15
The second pivoted arm 17 is passed, the second pivoted arm 17 imparts power to the output of output shaft 19.
3, electronic parking mode.When vehicle demand parking, low speed selector 5 and high-speed gear-shifting device 8 are closed at, into
And low speed shift disk 4 and high-speed gear-shifting disk 7 are in locking on-position simultaneously, i.e. the first gear ring 10, the first sun gear 12 and the
Two sun gears 16 are in lockup state simultaneously；At this point, the first planet row and the second planet row are in lockup state, i.e. pure electric vehicle is double
Powertrain system is in electronic parking mode.
4, neutral mode.When vehicle demand neutral mode, low speed selector 5 and high-speed gear-shifting device 8 discharge simultaneously, into
And low speed shift disk 4 and high-speed gear-shifting disk 7 be simultaneously in the state that is freely rotated, i.e. the first gear ring 10, the first sun gear 12 and the
Two sun gears 16 are in simultaneously is freely rotated state；At this point, motor 1 and input shaft 19 are in power interruption state, i.e. pure electric vehicle
Double speed dynamical system is in neutral mode.
In conjunction with attached drawing, the embodiments of the present invention are described in detail above, but the present invention is not limited to described implementations
Mode.For a person skilled in the art, in the case where not departing from the principle of the invention and spirit, to these embodiments
A variety of change, modification, replacement and modification are carried out, are still fallen in protection scope of the present invention.
Claims (7)
1. the motor shaft of a kind of pure electric vehicle double speed dynamical system, including motor, motor is drivingly connected output shaft, it is characterised in that:
Shaft is connected at least one by multiple groups planet row between the motor and output shaft.
2. pure electric vehicle double speed dynamical system according to claim 1, it is characterised in that: the planet row includes at least two groups
And mutually linkage, every group of planet row center is co-axially mounted with shaft.
3. pure electric vehicle double speed dynamical system according to claim 1, it is characterised in that: the electric machine shaft driving connection second
Gear ring, second the second planetary gear of gear ring Inside gear drive, the second planetary gear external toothing are driven the second sun gear；Second gear ring
First pivoted arm is installed, the first pivoted arm installs the first planetary gear, and the first planetary gear external toothing is driven the first sun gear and the first planet
Take turns the first gear ring of Inside gear drive；Second sun gear and the first sun gear are co-axially mounted shaft；The second planetary gear peace
The second pivoted arm is filled, the second pivoted arm connects output shaft.
4. pure electric vehicle double speed dynamical system according to claim 3, it is characterised in that: first gear ring connects another turn
Axis.
5. pure electric vehicle double speed dynamical system according to claim 3, it is characterised in that: the motor shaft passes through input gear
Be sequentially connected the second gear ring, and the interior outside of the second gear ring is provided with internal tooth and external tooth, and the second gear ring external tooth external toothing connection is defeated
Enter gear, the second gear ring internal tooth internal messing connects the second planetary gear.
6. a kind of pure electric vehicle double speed driving method, it is characterised in that: electric motor starting and drive the when braking the first gear ring
Two gear rings, the second gear ring are driven the first pivoted arm and the second planetary gear, the first pivoted arm through first the first sun gear of planet gear transmission and
Second sun gear, the second sun gear are driven the second planetary gear, and the second planetary gear obtains superposition the second pivoted arm of power transmission, final defeated
It runs at high speed out to output shaft generation.
7. a kind of pure electric vehicle double speed driving method, it is characterised in that: the electricity when braking the first sun gear and the second sun gear
Machine starts and drives the second gear ring, and the second gear ring is driven the second planetary gear, and second the second pivoted arm of planet gear transmission, final output is extremely
Output shaft generation is run at a low speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811179664.3A CN109159659A (en) | 2018-10-10 | 2018-10-10 | Pure electric vehicle double speed dynamical system and its driving method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811179664.3A CN109159659A (en) | 2018-10-10 | 2018-10-10 | Pure electric vehicle double speed dynamical system and its driving method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109159659A true CN109159659A (en) | 2019-01-08 |
Family
ID=64877648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811179664.3A Pending CN109159659A (en) | 2018-10-10 | 2018-10-10 | Pure electric vehicle double speed dynamical system and its driving method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109159659A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005768A (en) * | 2019-04-02 | 2019-07-12 | 广州市新域动力技术有限公司 | Electronic double sun gear locking type power assemblies |
| CN117400743A (en) * | 2023-08-31 | 2024-01-16 | 青岛劳奥思科技有限公司 | Motor transmission buffer mechanism for starting and speed changing of pure electric vehicle |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644265A (en) * | 2013-12-09 | 2014-03-19 | 中联重科股份有限公司 | Engineering machine and planetary reducing mechanism thereof |
| JP2015086981A (en) * | 2013-10-31 | 2015-05-07 | 本田技研工業株式会社 | Power transmission device |
| CN105673783A (en) * | 2016-04-21 | 2016-06-15 | 中国北方车辆研究所 | Large-transmission-ratio two-gear planetary transmission |
| CN105736654A (en) * | 2016-04-20 | 2016-07-06 | 长安大学 | Two-stage gearbox of electric vehicle |
| CN107345558A (en) * | 2016-05-06 | 2017-11-14 | 陕西汉德车桥有限公司 | Pure electronic two grades of transaxles and electric car |
| CN207333597U (en) * | 2017-09-30 | 2018-05-08 | 上海中科深江电动车辆有限公司 | Two gear gears and driving device |
| CN108131427A (en) * | 2017-12-27 | 2018-06-08 | 合肥工业大学 | A kind of 2 speed automatic transmissions and shifting control system |
| CN209224912U (en) * | 2018-10-10 | 2019-08-09 | 广州市新域动力技术有限公司 | Pure electric vehicle double speed dynamical system |
-
2018
- 2018-10-10 CN CN201811179664.3A patent/CN109159659A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015086981A (en) * | 2013-10-31 | 2015-05-07 | 本田技研工業株式会社 | Power transmission device |
| CN103644265A (en) * | 2013-12-09 | 2014-03-19 | 中联重科股份有限公司 | Engineering machine and planetary reducing mechanism thereof |
| CN105736654A (en) * | 2016-04-20 | 2016-07-06 | 长安大学 | Two-stage gearbox of electric vehicle |
| CN105673783A (en) * | 2016-04-21 | 2016-06-15 | 中国北方车辆研究所 | Large-transmission-ratio two-gear planetary transmission |
| CN107345558A (en) * | 2016-05-06 | 2017-11-14 | 陕西汉德车桥有限公司 | Pure electronic two grades of transaxles and electric car |
| CN207333597U (en) * | 2017-09-30 | 2018-05-08 | 上海中科深江电动车辆有限公司 | Two gear gears and driving device |
| CN108131427A (en) * | 2017-12-27 | 2018-06-08 | 合肥工业大学 | A kind of 2 speed automatic transmissions and shifting control system |
| CN209224912U (en) * | 2018-10-10 | 2019-08-09 | 广州市新域动力技术有限公司 | Pure electric vehicle double speed dynamical system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005768A (en) * | 2019-04-02 | 2019-07-12 | 广州市新域动力技术有限公司 | Electronic double sun gear locking type power assemblies |
| CN117400743A (en) * | 2023-08-31 | 2024-01-16 | 青岛劳奥思科技有限公司 | Motor transmission buffer mechanism for starting and speed changing of pure electric vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208101682U (en) | Double electric machine double row planetary gear hybrid power assembly | |
| CN101804811B (en) | Hybrid power control system for vehicle | |
| JP7049346B2 (en) | Horizontal dual power source vehicle drive assembly | |
| CN100551731C (en) | Hybrid drive | |
| CN106560336B (en) | Bi-motor multi-mode composite forerunner's plug-in hybrid system | |
| CN204123946U (en) | Hybrid gearbox and use the vehicle of this change-speed box | |
| CN207809033U (en) | Hybrid electric drive system and vehicle | |
| CN104755805B (en) | Dual clutch transmission | |
| CN206690865U (en) | Hybrid power system and the vehicle using the dynamical system | |
| CN104401215A (en) | Double-motor double-planet-row dynamic coupling driving structure | |
| CN106853770A (en) | A kind of shift transmission of pure electric automobile planet row type two | |
| CN105480075B (en) | Control structure based on single planet row | |
| CN108556606A (en) | It is a kind of for the integrated motor of electric vehicle and the Driven by Coaxial bridge and method of speed changer | |
| CN106627117A (en) | Transmission device for longitudinal-engine rear-drive hybrid vehicle | |
| CN106696691A (en) | Horizontally-arranged single-power source vehicle drive assembly | |
| CN208290960U (en) | Hybrid electric drive system and vehicle | |
| CN207809038U (en) | Hybrid electric drive system and vehicle | |
| CN207809039U (en) | Hybrid electric drive system and vehicle | |
| CN206718951U (en) | A kind of vehicle and its hybrid power system | |
| CN109159659A (en) | Pure electric vehicle double speed dynamical system and its driving method | |
| CN106585360A (en) | Hybrid two-shift gearbox transmission system and hybrid electric vehicle | |
| CN109986952A (en) | Hybrid electric drive system and vehicle | |
| CN112224007B (en) | Special multi-mode hybrid transmission | |
| CN209224912U (en) | Pure electric vehicle double speed dynamical system | |
| CN111806214B (en) | Method and system for a multi-speed electric bridge assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |