CN205632081U - Electricelectric moves vehicle power assembly - Google Patents
Electricelectric moves vehicle power assembly Download PDFInfo
- Publication number
- CN205632081U CN205632081U CN201620512644.3U CN201620512644U CN205632081U CN 205632081 U CN205632081 U CN 205632081U CN 201620512644 U CN201620512644 U CN 201620512644U CN 205632081 U CN205632081 U CN 205632081U
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- planet
- gear
- power assembly
- differential mechanism
- wheel
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Abstract
The utility model discloses an electricelectric moves vehicle power assembly, the power assembly sets up on the front axle of vehicle or rear axle between two drive wheels, from one end to the other end of front axle or rear axle the power assembly is including the driving motor, the wheeled reduction gear of first planet, differential mechanism, the wheeled reduction gear of second planet and the 2nd driving motor that set gradually, a driving motor's the rotor and the sun gear transmission of the wheeled reduction gear of first planet are connected, and the 2nd driving motor's the rotor and the sun gear transmission of the wheeled reduction gear of second planet are connected, and the planet carrier of the wheeled reduction gear of first planet and the ring gear transmission of the wheeled reduction gear of second planet are connected in differential mechanism's power input shaft, and differential mechanism's power output shaft connects the drive wheel of vehicle. The utility model discloses electricelectric moves vehicle power assembly simple structure distributes rationally, and the installation of being convenient for arranges that the operational reliability of system has also been improved to the while.
Description
Technical field
This utility model relates to new-energy automobile field, particularly relates to a kind of pure electric vehicle power assembly.
Background technology
Pure electric automobile refers to simple by motor-driven new-energy automobile, and pure electric automobile has energy-conserving and environment-protective
Etc. advantage.In the case of ensureing power performance, travel economy or dynamical system efficiency for improving vehicle,
Some double-motor power assemblies are applied in pure electric automobile.Such as before and after tesla uses on axletree all
A set of independent driving system is installed and realizes 2 wheel drive or 4 wheel drive；And more domestic patents
(CN105150819A and CN204821150U) uses bi-motor and planet circular system to realize concentrating power coupling
Driving Scheme.Improve vehicle to a certain extent with the double electric-powered assembly being previously mentioned and travel economy
Property or dynamical system efficiency, but there is also following problems simultaneously:
Tesla's electric motor car takes the mode being respectively mounted drive system on tandem axle to carry out the improvement of dynamic property,
The control that dynamical system is driven 4 is more complicated, and spatial degrees of freedom on arrangement is limited causes battery
The selection of the mounting arrangements such as bag is few；
And the centralized double-motor power coupling that patent (CN105150819A and CN204821150U) is provided
System, it generally requires arranges that in power assembly multiple clutch or brake are to realize double-motor power
Rotating speed coupling or torque couple, improve cost and fault rate the most undoubtedly.
Utility model content
The technical problems to be solved in the utility model, it is provided that a kind of structure is the simplest, and layout is the most rational
Pure electric vehicle power assembly, is used for solving double-motor power assembly structure complexity in prior art and is not easy to peace
The problem that dress is arranged and cost is high with fault rate.
This utility model is achieved in that
A kind of pure electric vehicle power assembly, described power assembly is arranged on the propons of vehicle or back axle two and drives
Between driving wheel, include that set gradually first drives from one end of propons or back axle to power assembly described in the other end
Galvanic electricity machine, first planet wheel reducer, differential mechanism, the second planet gear type decelerator and second drive motor；
Described first planet wheel reducer is single-stage planetary wheel reducer, including sun gear, planetary gear,
Planet carrier and gear ring, planetary gear is arranged on planet carrier and engages with sun gear and gear ring simultaneously；
Described second planet gear type decelerator is the wheeled decelerator of double-pinion planetary, including sun gear, first order row
Star-wheel, second level planetary gear, planet carrier and gear ring, described first order planetary gear is arranged with second level planetary gear
On planet carrier, sun gear engages with first order planetary gear, and first order planetary gear engages with second level planetary gear,
Second level planetary gear engages with gear ring；
The gear ring of described first planet wheel reducer connects firmly with housing, the planet of the second planet gear type decelerator
Frame connects firmly with housing, and first drives the rotor of motor to be in transmission connection with the sun gear of first planet wheel reducer,
The sun gear of the second rotor driving motor and the second planet gear type decelerator is in transmission connection, and first planet is wheeled
The planet carrier of decelerator and the gear ring of the second planet gear type decelerator are in transmission connection in the power input of differential mechanism
Axle, the power output shaft of differential mechanism connects the driving wheel of vehicle.
Further, the performance parameter of described first driving motor and the second driving motor is identical.
Further, described differential mechanism is gear differential.
Further, described power assembly is coaxially disposed with driving wheel, and wherein the drive shaft of a driving wheel runs through
First drives motor and first planet wheel reducer and is connected to an output shaft of differential mechanism, another driving wheel
Drive shaft run through the second driving motor and the second planet gear type decelerator and be connected to difference band device another output
Axle.
This utility model has the advantage that this utility model pure electric vehicle power assembly is structurally carried out
Optimizing, the multiple executive components the most structurally having evaded existing double-motor power coupled system are arranged and control
A difficult problem for system, also substantially increases the functional reliability of system.Meanwhile, use integrated form design, can make
Power assembly overall dimension is less.
Accompanying drawing explanation
Fig. 1 is the sketch of this utility model embodiment pure electric vehicle power assembly.
Label declaration:
1, first motor is driven；2, first planet wheel reducer；3, differential mechanism；4, second
Planet gear type decelerator；5, second motor is driven；6, driving wheel.
Detailed description of the invention
By describing technology contents of the present utility model, structural feature in detail, being realized purpose and effect, below
In conjunction with embodiment and coordinate accompanying drawing to be explained in detail.
Referring to Fig. 1, for the sketch of this utility model embodiment pure electric vehicle power assembly, this power is total
Become between the concentrated setting two driving wheels 6 on the propons or back axle of electric automobile, from propons or back axle
One end to power assembly described in the other end includes the first driving motor 1, the wheeled deceleration of first planet set gradually
Device 2, differential mechanism the 3, second planet gear type decelerator 4 and second drive motor 5.
Wherein, described first planet wheel reducer 2 is single-stage planetary wheel reducer, including sun gear,
Planetary gear, planet carrier and gear ring, planetary gear is arranged on planet carrier and engages with sun gear and gear ring simultaneously；
Described second planet gear type decelerator 4 is the wheeled decelerator of double-pinion planetary, including sun gear, the first order
Planetary gear, second level planetary gear, planet carrier and gear ring, described first order planetary gear sets with second level planetary gear
Being placed on planet carrier, sun gear engages with first order planetary gear, and first order planetary gear is nibbled with second level planetary gear
Closing, second level planetary gear engages with gear ring；
The gear ring of described first planet wheel reducer 2 connects firmly with the housing of first planet wheel reducer, the
The planet carrier of two planet gear type decelerators 4 and the housing of the second planet gear type decelerator connect firmly, and first drives electricity
The rotor of machine 1 is connected by hard shaft mechanical with the sun gear of first planet wheel reducer 2, and second drives electricity
The rotor of machine 5 and the sun gear of the second planet gear type decelerator 4 are connected by hard shaft mechanical, the first row star-wheel
The planet carrier of formula decelerator 2 and the gear ring of the second planet gear type decelerator 4 are all with differential mechanism 3 power shaft even
Being connected together, the power output shaft of differential mechanism 3 connects the driving wheel 6 of vehicle.
Described power assembly is coaxially disposed with driving wheel, and wherein the drive shaft of a driving wheel runs through the first driving electricity
Machine and first planet wheel reducer are also connected to an output shaft of differential mechanism, and the drive shaft of another driving wheel is passed through
Wear the second driving motor and the second planet gear type decelerator and be connected to another output shaft of difference band device.
In the present embodiment, described power assembly is operable with following several mode of operation, each mode of operation
Principle be described below:
(1) first drives motor that pattern is operated alone: under this pattern, first drives motor 1 to participate in work, the
Two drive motor 5 to be not involved in work.Owing to the gear ring in first planet wheel reducer 2 is braked, first
(gear ratio is k1+1 to the decelerator that acts as of planet gear type decelerator 2, wherein the k1=gear ring number of teeth/sun
Tooth number), i.e. first drives the power of motor 1 from sun gear through the deceleration of first planet wheel reducer 2
Increase and export power from planet carrier after turning round.Further, power drives running car through differential mechanism 3.This mould
Under formula, second drives the rotor idle running of motor 5, does not has power input or output.Owing to gear ratio is relatively big,
The acceleration of vehicle can be improved.
(2) second drive motor that pattern is operated alone: under this pattern, first drives motor 1 to be not involved in work,
Second drives motor 5 to participate in work.Owing to the planet carrier in the second planet gear type decelerator 4 is braked, the
(gear ratio is k2 to the decelerator that acts as of two planet gear type decelerators 4, wherein the k2=gear ring number of teeth/sun
Tooth number), i.e. second drives the power of motor 5 from sun gear through the deceleration of the second planet gear type decelerator 4
Increase and export power from gear ring after turning round.Further, power drives running car through differential mechanism.Under this pattern,
The first rotor idle running driving motor 1, does not has power input or output.(be equivalent to owing to gear ratio diminishes
The upshift of conventional truck), it is possible to increase the speed adjustable range of vehicle.
(3) bi-motor associating drive pattern: under this pattern, first drives motor and second driving 2 motors of motor
Both participate in work, and the power of 2 motors is respectively through the planet carrier and second of first planet wheel reducer 2
The gear ring of planet gear type decelerator 4 is to differential mechanism 3.Further, power drives garage through differential mechanism 3
Sail.Under this pattern, the power of 2 motors realizes the moment of torsion input of torque couple, i.e. differential mechanism at differential mechanism
Moment of torsion sum equal to the right and left planet carrier.
(4) bi-motor combined recovery braking mode: under this pattern, first drives motor and the second 2, motor of driving
Motor both participates in work, and is operated in and counter drags generating state.The inertia energy of car load subtracts through differential mechanism and left and right
Speed device is delivered at the rotor of 2 motors, and carries out energy regenerating through the form of motor anti-dragged brake.By
Participate in energy regenerating in 2 motors, can farthest realize the car load energy regenerating under braking mode and utilize.
In one embodiment, for simplifying design, reducing manufacturing cost and install convenience, left second can be made
Driving choice of electrical machine is consistent, and the performance parameter of the most described first driving motor and the second driving motor is identical.
In one embodiment, described differential mechanism 3 is gear differential, and left and right distributed to by this differential mechanism
The torque of wheel is equal.And in other embodiments, for improving automobile handling capacity on bad road, described
Differential mechanism 3 can be limited slip differential.The feature of limited slip differential is, when a side drive wheel is slided on bad road
When turning, the major part driving wheel that even all torque is passed in good road surface can be made, to make full use of this
The adhesive force of driving wheel produces enough driving forces, makes automobile start to walk smoothly or continues to travel.
Pure electric vehicle power assembly in the respective embodiments described above, can effectively realize under vehicle difference speed
Power demand, reaches the function of electricity buncher, is effectively improved rate of load condensate and the efficiency of automotive power.
The most structurally evade the difficulty that multiple executive components of existing double-motor power coupled system are arranged and controlled
Topic, also substantially increases the functional reliability of system.Meanwhile, use integrated form design, power assembly can be made
Overall dimension is less.
The foregoing is only embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model,
Every equivalent shapes utilizing this utility model description and accompanying drawing content to be made or reconfiguration, or directly or
Indirectly it is used in other relevant technical fields, is the most in like manner included in scope of patent protection of the present utility model.
Claims (4)
1. a pure electric vehicle power assembly, it is characterised in that before described power assembly is arranged at vehicle
On bridge or back axle between two driving wheels, include depending on to power assembly described in the other end from one end of propons or back axle
First driving motor, first planet wheel reducer, differential mechanism, the second planet gear type decelerator of secondary setting
Motor is driven with second；
Described first planet wheel reducer is single-stage planetary wheel reducer, including sun gear, planetary gear,
Planet carrier and gear ring, planetary gear is arranged on planet carrier and engages with sun gear and gear ring simultaneously；
Described second planet gear type decelerator is the wheeled decelerator of double-pinion planetary, including sun gear, first order row
Star-wheel, second level planetary gear, planet carrier and gear ring, described first order planetary gear is arranged with second level planetary gear
On planet carrier, sun gear engages with first order planetary gear, and first order planetary gear engages with second level planetary gear,
Second level planetary gear engages with gear ring；
The gear ring of described first planet wheel reducer connects firmly with housing, the planet of the second planet gear type decelerator
Frame connects firmly with housing, and first drives the rotor of motor to be in transmission connection with the sun gear of first planet wheel reducer,
The sun gear of the second rotor driving motor and the second planet gear type decelerator is in transmission connection, and first planet is wheeled
The planet carrier of decelerator and the gear ring of the second planet gear type decelerator are in transmission connection in the power input of differential mechanism
Axle, the power output shaft of differential mechanism connects the driving wheel of vehicle.
Pure electric vehicle power assembly the most according to claim 1, it is characterised in that described first drives
The performance parameter of galvanic electricity machine and the second driving motor is identical.
Pure electric vehicle power assembly the most according to claim 1, it is characterised in that described differential mechanism
For gear differential.
Pure electric vehicle power assembly the most according to claim 1, it is characterised in that described power is total
Becoming to be coaxially disposed with driving wheel, wherein the drive shaft of a driving wheel runs through the first driving motor and the first row star-wheel
Formula decelerator is also connected to an output shaft of differential mechanism, and the drive shaft of another driving wheel runs through the second driving motor
With the second planet gear type decelerator another output shaft of being connected to difference band device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620512644.3U CN205632081U (en) | 2016-05-30 | 2016-05-30 | Electricelectric moves vehicle power assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620512644.3U CN205632081U (en) | 2016-05-30 | 2016-05-30 | Electricelectric moves vehicle power assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205632081U true CN205632081U (en) | 2016-10-12 |
Family
ID=57051180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620512644.3U Expired - Fee Related CN205632081U (en) | 2016-05-30 | 2016-05-30 | Electricelectric moves vehicle power assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205632081U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106627077A (en) * | 2016-12-02 | 2017-05-10 | 福建万润新能源科技有限公司 | Dual-input power coupler and automobile |
| CN106740023A (en) * | 2017-01-13 | 2017-05-31 | 苏州绿控传动科技有限公司 | The electricity slowed down after a kind of coaxial bi-motor output drives drive axle |
| CN108189665A (en) * | 2018-02-11 | 2018-06-22 | 浙江华亦海汽车电子科技有限公司 | A kind of drive system of electric automobile configuration |
| CN108297619A (en) * | 2018-03-13 | 2018-07-20 | 吉林大学 | A kind of duplex planet train torque fixed direction allocation electric drive axle |
| CN108839548A (en) * | 2018-06-29 | 2018-11-20 | 北京新能源汽车股份有限公司 | Vehicle |
| CN109203953A (en) * | 2018-10-22 | 2019-01-15 | 广州市新域动力技术有限公司 | Bi-motor pure electric vehicle multimode dynamical system and its driving method |
| CN111114307A (en) * | 2018-10-31 | 2020-05-08 | 比亚迪股份有限公司 | Drive axle and vehicle and driving method thereof |
| CN112277612A (en) * | 2019-07-25 | 2021-01-29 | 郑州宇通客车股份有限公司 | Electric drive system and electric vehicle |
| CN114643803A (en) * | 2020-12-17 | 2022-06-21 | 丰田自动车株式会社 | Variable-speed drive axle for electric automobile |
-
2016
- 2016-05-30 CN CN201620512644.3U patent/CN205632081U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106627077A (en) * | 2016-12-02 | 2017-05-10 | 福建万润新能源科技有限公司 | Dual-input power coupler and automobile |
| CN106627077B (en) * | 2016-12-02 | 2023-10-03 | 福建万润新能源科技有限公司 | Dual-input power coupler and automobile |
| CN106740023A (en) * | 2017-01-13 | 2017-05-31 | 苏州绿控传动科技有限公司 | The electricity slowed down after a kind of coaxial bi-motor output drives drive axle |
| WO2018130102A1 (en) * | 2017-01-13 | 2018-07-19 | 苏州绿控传动科技有限公司 | Electric drive axle |
| CN108189665A (en) * | 2018-02-11 | 2018-06-22 | 浙江华亦海汽车电子科技有限公司 | A kind of drive system of electric automobile configuration |
| CN108297619A (en) * | 2018-03-13 | 2018-07-20 | 吉林大学 | A kind of duplex planet train torque fixed direction allocation electric drive axle |
| CN108297619B (en) * | 2018-03-13 | 2024-04-19 | 吉林大学 | Electric drive axle for directional torque distribution of duplex planetary gear train |
| CN108839548A (en) * | 2018-06-29 | 2018-11-20 | 北京新能源汽车股份有限公司 | Vehicle |
| CN109203953A (en) * | 2018-10-22 | 2019-01-15 | 广州市新域动力技术有限公司 | Bi-motor pure electric vehicle multimode dynamical system and its driving method |
| CN111114307A (en) * | 2018-10-31 | 2020-05-08 | 比亚迪股份有限公司 | Drive axle and vehicle and driving method thereof |
| CN112277612A (en) * | 2019-07-25 | 2021-01-29 | 郑州宇通客车股份有限公司 | Electric drive system and electric vehicle |
| CN114643803A (en) * | 2020-12-17 | 2022-06-21 | 丰田自动车株式会社 | Variable-speed drive axle for electric automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161012 Termination date: 20170530 |
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| CF01 | Termination of patent right due to non-payment of annual fee |