CN206086367U - Formula electric drive assembly is arranged to double row star - Google Patents
Formula electric drive assembly is arranged to double row star Download PDFInfo
- Publication number
- CN206086367U CN206086367U CN201621061367.5U CN201621061367U CN206086367U CN 206086367 U CN206086367 U CN 206086367U CN 201621061367 U CN201621061367 U CN 201621061367U CN 206086367 U CN206086367 U CN 206086367U
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- China
- Prior art keywords
- motor
- planet carrier
- heel row
- seat
- sun gear
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- 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.)
- Withdrawn - After Issue
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Abstract
The utility model relates to a formula electric drive assembly is arranged to double row star, by the transaxle, back row planetary gear mechanism, the planet carrier the ring gear stopper, front -seat planetary gear mechanism, first motor, the second motor, the clutch, the stopper is constituteed, front -seat planetary gear mechanism is by front -seat sun gear, front -seat planet wheelset, the planet carrier the ring gear is constituteed, back row planetary gear mechanism is by the back row planet carrier, the epaxial back row sun wheel of sun gear owner, back row planet wheelset, the planet carrier the ring gear is constituteed, the rotor of first motor is connected with back row sun wheel through the sun gear main shaft, the sun gear main shaft is brakied through the stopper, the rotor of second motor is connected through hollow shaft and front -seat sun gear, first motor and second motor are with the axis of rotation and arrange at the homonymy, be provided with the clutch between first motor and the second motor. This formula electric drive assembly is arranged to double row star simple structure controls the convenience.
Description
Technical field
The utility model is related to a kind of double planet row-type electric drive assembly.
Background technology
To improve economy and dynamic property, some double planet wheel rows of mixing double-motor power coupling assemblies are answered on pure electric car
With.Traditional Dual-motors Driving assembly structure is complicated, switches between torque coupling mode of operation and rotating speed coupling work mode
When need to manipulate multiple parts (such as multiple clutches, multiple lock devices) simultaneously, its linkage control device and control mode all compared with
For complexity；Using the organization plan of sun gear altogether in patent CN201310117747.0, No. 1 motor list is caused to be driven when driving starting
Than less needing to increase motor torque capacity, this obviously brings the increase of motor cost and volume.Additionally, in torque coupling work
Need to manipulate two clutches and a lock device simultaneously when switching between operation mode and rotating speed coupling work mode, its linkage control
Device processed and manipulation are complicated；Patent CN201410584883.5 adopts the organization plan of gear ring altogether, when driving to make up No. 1 motor list
The deficiency that power is exported from gear ring to planet carrier, in system kind Design of Speed Reducer is increased.Additionally, adopting between two gear rings
Coupling design, this will make system more complicated, and increase cost and there is certain noise.In addition, to solve 3 lock devices
Arrangement difficulty, cause 2 motors to take and axle design, structure design flexibility is not enough.
Utility model content
In view of the deficiencies in the prior art, technical problem to be solved in the utility model is to provide a kind of simple structure, control
Make simple double planet row-type electric drive assembly.
In order to solve above-mentioned technical problem, the technical solution of the utility model is：A kind of double planet row-type electric drive assembly,
By drive axle, heel row planetary wheeling mechanism, planet carrier-gear ring brake, front-seat planetary wheeling mechanism, the first motor, the second motor, from
Clutch, brake composition, the front-seat planetary wheeling mechanism is made up of front-seat sun gear, front-seat planetary gear set, planet carrier-gear ring,
The heel row planetary wheeling mechanism by the heel row sun gear on heel row planet carrier, sun gear main shaft, heel row planetary gear set, planet carrier-
Gear ring is constituted, and the rotor Jing sun gears main shaft of first motor is connected with heel row sun gear, and sun gear main shaft Jing brakes enter
Row braking, the rotor Jing hollow shafts of second motor be connecteds with front-seat sun gear, first motor and same time of the second motor
Shaft axis are simultaneously arranged in homonymy, and between the first motor and the second motor clutch is provided with.
Preferably, the brake is connected on housing, and the gear ring of the front-seat planetary wheeling mechanism is connected in housing, described
Jing planet carriers-gear ring is connected between front-seat planetary wheeling mechanism and heel row planetary wheeling mechanism, planet carrier-arrange between gear ring and housing
There is planet carrier-gear ring brake, the heel row planet carrier output of heel row planetary wheeling mechanism is to drive axle.
Preferably, the sun gear collar bush is located in hollow shaft, Jing clutches between the sun gear main shaft and hollow shaft
Device is combined or separates.
Compared with prior art, the utility model has the advantages that：The double planet row-type electric drive assembly structure
Simply, single electricity is capable of achieving by planet carrier-gear ring brake, the braking of brake or release, the combination of clutch or separation
Machine or bi-motor participation work, meet the various operating conditions of vehicle, and control is simple；Using bi-motor and the same axis of rotation of output shaft
Design, is easy to complete vehicle structure to arrange, the multiple of existing double electric machine double row planetary gear dynamic coupling system are not only solved in structure
The difficult problem that executive component is arranged and controlled, also substantially increases the functional reliability of system.
With reference to the accompanying drawings and detailed description the utility model is described in more detail.
Description of the drawings
Fig. 1 is the composition structure chart of the utility model embodiment.
Fig. 2 is the transmission principle figure under single first motor drive mode.
Fig. 3 is the transmission principle figure under single second motor drive mode.
Fig. 4 is the transmission principle figure under bi-motor torque coupling drive pattern.
Fig. 5 is the transmission principle figure under motor rotating speed coupling driving pattern.
In figure：1- drive axles, 2- heel row planetary wheeling mechanisms, 3- planet carriers-gear ring brake, 4- front rows planetary wheeling mechanism,
The motors of 5- first, the motors of 6- second, 7- clutches, 8- brakes, 9- front rows sun gear, 10- front rows planetary gear set, 11- planets
Frame-gear ring, 12- heel row planet carriers, 13- sun gear main shafts, 14- heel row sun gears, 15- heel row planetary gear sets, 16- hollow shafts,
17- housings.
Specific embodiment
It is that features described above of the present utility model and advantage can be become apparent, special embodiment below, and coordinate accompanying drawing,
It is described in detail below.
As shown in Fig. 1～5, a kind of double planet row-type electric drive assembly, by drive axle 1, heel row planetary wheeling mechanism 2, planet
Frame-gear ring brake 3, front-seat planetary wheeling mechanism 4, the first motor 5, the second motor 6, clutch 7, brake 8 are constituted, it is described before
Seniority among brothers and sisters star-wheel mechanism is made up of front-seat sun gear 9, front-seat planetary gear set 10, planet carrier-gear ring 11, the heel row planetary wheeling mechanism
It is made up of the heel row sun gear 14 on heel row planet carrier 12, sun gear main shaft 13, heel row planetary gear set 15, planet carrier-gear ring, institute
The rotor Jing sun gears main shaft for stating the first motor is connected with heel row sun gear, and sun gear main shaft Jing brakes are braked, described
The rotor Jing hollow shafts 16 of the second motor be connecteds with front-seat sun gear, and first motor and the second motor are with axis of rotation simultaneously cloth
Put in homonymy, between the first motor and the second motor clutch is provided with.
In the utility model embodiment, the brake is connected on housing 17, the tooth of the front-seat planetary wheeling mechanism
Circle is connected in housing, and Jing planet carriers-gear ring is connected between the front-seat planetary wheeling mechanism and heel row planetary wheeling mechanism, and planet carrier-
Planet carrier-gear ring brake is provided between gear ring and housing, the heel row planet carrier output of heel row planetary wheeling mechanism is to drive axle.
In the utility model embodiment, the sun gear collar bush in the hollow shaft, the sun gear main shaft with it is empty
Jing clutches are combined or separate between heart axle.
A kind of driving method of double planet row-type electric drive assembly, is carried out according to the following steps：
(1) first electrical machine working mode is divided into single first motor drive mode and single first motor braking energy regenerating mould
Formula, under single first motor drive mode, planet carrier-gear ring brake locking planet carrier-gear ring, clutch separation, brake
Release；
Single first motor drive mode：First motor is operated under electric model, and the second motor quits work, the first motor
Output power successively Jing sun gears main shaft, heel row sun gear, heel row planetary gear set, heel row planet carrier are delivered to drive axle；
Single first motor braking energy recuperation mode：First motor works in generate mode, and vehicle inertia torque is successively
Jing drive axles, heel row planet carrier, heel row planetary gear set, heel row sun gear, sun gear main shaft drag the first motor rotary electrification, and
Energy storage device to be mutually electrically connected charges；
(2) second electrical machine working modes are divided into single second motor drive mode and single second motor braking energy regenerating mould
Formula, under single second motor drive mode, planet carrier-gear ring brake release, clutch separation, brake；
Single second motor drive mode：Second motor is operated under electric model, and the first motor quits work, the second motor
Output power successively premenstrual row's sun gear, front-seat planetary gear set, planet carrier-gear ring, heel row planetary gear set, heel row planet carrier are defeated
Deliver to drive axle；
Single second motor braking energy recuperation mode：Second motor works in generate mode, and vehicle inertia torque is successively
Jing drive axles, heel row planet carrier, heel row planetary gear set, planet carrier-gear ring, front-seat planetary gear set, front-seat sun gear drag second
Motor rotary electrification, and the energy storage device charging to be mutually electrically connected；
(3) bi-motor torque coupling mode of operation is divided into bi-motor torque coupling drive pattern and bi-motor torque coupling system
Energy take-back model, under bi-motor torque coupling drive pattern, planet carrier-gear ring brake release, clutch is combined, system
Dynamic device release；
Bi-motor torque coupling drive pattern：First motor and the second motor are operated under electric model, and in clutch
Under combination, the first motor and the second motor become an entirety, and the output power of two motors may be superimposed on sun gear master
On axle；Now, aerodynamic power stream is divided into two-way and the final coupling at heel row planet carrier is delivered to drive axle after being superimposed；Wherein one
Road Jing sun gear main shafts, heel row sun gear, heel row planetary gear set, the conveying of heel row planet carrier, another road Jing sun gear main shafts, front row
Sun gear, front-seat planetary gear set, planet carrier-gear ring, heel row planetary gear set, the conveying of heel row planet carrier, two-way is in heel row planet carrier
Drive axle is delivered to after place's coupling superposition；
Bi-motor torque coupling Brake energy recovery pattern：First motor and the second motor work in generate mode, car
Shunting and finally it is flowed at sun gear main shaft and is recovered energy by two motors at inertia torque Jing drive axle；Wherein one
Successively Jing drive axles, heel row planet carrier, heel row planetary gear set, heel row sun gear, sun gear main shaft drag the rotation of the first motor on road
Generate electricity, and the energy storage device to be mutually electrically connected charges；Another road sequentially passes through drive axle, heel row planet carrier, heel row planetary gear set, OK
Carrier-gear ring, front-seat planetary gear set, front-seat sun gear (sun gear main shaft) drag the second motor rotary electrification, and to be mutually electrically connected
Energy storage device charge；
(4) motor rotating speed coupling work mode is divided into motor rotating speed coupling driving pattern and motor rotating speed coupling system
Energy take-back model, under motor rotating speed coupling driving pattern, planet carrier-gear ring brake release, clutch separation, system
Dynamic device release；
Motor rotating speed coupling driving pattern：First motor and the second motor are operated under electric model, the first motor
Successively Jing sun gears main shaft, heel row sun gear, heel row planetary gear set, heel row planet carrier are delivered to drive axle to output power, and second
The output power of motor premenstrual row's sun gear, front-seat planetary gear set, planet carrier-gear ring, heel row planetary gear set, rear rows of planetary successively
Frame is delivered to drive axle；
Motor rotating speed couples Brake energy recovery pattern：First motor and the second motor work in generate mode, car
The shunting output of inertia torque, all the way Jing drive axles, heel row planet carrier, heel row planetary gear set, heel row sun gear, sun gear successively
Main shaft drags the first motor rotary electrification, another road Jing drive axles, heel row planet carrier, heel row planetary gear set, planet carrier-tooth successively
Circle, front-seat planetary gear set, front-seat sun gear drag the second motor rotary electrification, and the first motor is respectively mutually electrically connected with the second motor
Energy storage device charge.
By planet carrier-gear ring brake, clutch, brake, the multiple-working mode of bi-motor can be obtained, its group
Conjunction state is as shown in table 1, wherein " 1 " represents planet carrier-gear ring brake, brake, clutch in lockup state or combination
State, " 0 " represents planet carrier-gear ring brake, brake, clutch in release conditions or released state, and " M " represents motor
Using Electronic control, " G " represents that motor adopts Generation Control, and " C " represents that motor is closed.
The mode of operation of table 1
In front-seat planetary wheeling mechanism, characteristic parameter K is first assumed1=ZR1/ZS1=2, i.e., the gear ring of front-seat planetary wheeling mechanism
The number of teeth and the ratio of the front-seat sun gear number of teeth, in heel row planetary wheeling mechanism, first assume characteristic parameter K2=ZR2/ZS2=2, i.e. heel row
The gear ring number of teeth of planetary wheeling mechanism and the ratio of the heel row sun gear number of teeth, the kinematical equation of front-seat planetary wheeling mechanism is：Ns1+
K1NR1-(K1+1)NC1=0.Wherein, Ns1、NR1And NC1Front-seat sun gear, gear ring and planet carrier in respectively front-seat planetary wheeling mechanism
Rotating speed, the kinematical equation of heel row planetary wheeling mechanism is：Ns2+K2NR2-(K2+1)NC2=0.Wherein, Ns2、NR2And NC2Respectively
The rotating speed of heel row sun gear, gear ring and planet carrier in heel row planetary wheeling mechanism.
In single first Motor drive, by heel row planetary wheeling mechanism kinematical equation and parts annexation, this can be derived
Pattern underdrive ratio is i1=No/Nm1=K2+ 1=3.So, 3 times of driving running cars are amplified in the torque for being capable of achieving the first motor,
And the rotation direction of the first motor is identical with output shaft rotation direction in Fig. 2.
In single second Motor drive, the premenstrual seniority among brothers and sisters star-wheel mechanism of the second motor power and heel row planetary wheeling mechanism are realized successively
Slow down to increase and low vehicle speeds are operated alone after torsion, its gearratio is i2=No/Nm2=(K1+1)(K2+ 1)=9.So, can be real
9 times of driving running cars are amplified in the torque of existing second motor, independent when still can tackle the first electrical fault as the second motor
Drive vehicle low cruise operating mode.Fig. 3 shows that the rotation direction of the second motor is identical with output shaft rotation direction.
During bi-motor torque coupling drives, the first motor and the premenstrual seniority among brothers and sisters star-wheel mechanism of the second motor power and heel row are realized
Torque coupling drives vehicle traveling after planetary wheeling mechanism.Jing is derived, and is delivered to the rotating speed before drive axle for No=Nm1[K2/(K2+
1)/(K1+1)+1/(K2+ 1)]=1/3Nm1；The torque before drive axle is delivered to for To=3 (T1+T2).So, equivalent to
The torque of one motor and the second motor is amplified 3 times and is added rear-drive automobile traveling.Fig. 4 shows the first motor and the second motor
Rotation direction is identical with output shaft rotation direction.
In motor rotating speed coupling driving, the first motor and the second motor power rotating speed coupling rear-guard motor-car row are realized
Sail.Jing is derived and is delivered to the rotating speed before drive axle for No=1/3Nm1+2/9Nm2.So, equivalent to 1/3 He of the first motor speed
It is the rotating speed on output shaft after 2/9 addition of the second motor speed.
The utility model is not limited to above-mentioned preferred forms, and anyone can obtain under enlightenment of the present utility model
Go out other various forms of double planet row-type electric drive assemblies.All impartial changes done according to the utility model claim
With modification, should all belong to covering scope of the present utility model.
Claims (3)
1. a kind of double planet row-type electric drive assembly, it is characterised in that：By drive axle, heel row planetary wheeling mechanism, planet carrier-gear ring
Brake, front-seat planetary wheeling mechanism, the first motor, the second motor, clutch, brake composition, the front-seat planetary wheeling mechanism
It is made up of front-seat sun gear, front-seat planetary gear set, planet carrier-gear ring, the heel row planetary wheeling mechanism is by heel row planet carrier, the sun
Heel row sun gear, heel row planetary gear set, planet carrier on wheel main shaft-gear ring composition, the rotor Jing sun gears of first motor
Main shaft is connected with heel row sun gear, and sun gear main shaft Jing brakes are braked, the rotor Jing hollow shafts of second motor with
The connection of front-seat sun gear, first motor and the second motor is with axis of rotation and is arranged in homonymy, the first motor is electric with second
Clutch is provided between machine.
2. double planet row-type electric drive assembly according to claim 1, it is characterised in that：The brake is connected in housing
On, the gear ring of the front-seat planetary wheeling mechanism is connected in housing, between the front-seat planetary wheeling mechanism and heel row planetary wheeling mechanism
Jing planet carriers-gear ring is connected, planet carrier-planet carrier-gear ring brake, heel row planetary wheeling mechanism are provided between gear ring and housing
The output of heel row planet carrier to drive axle.
3. double planet row-type electric drive assembly according to claim 1, it is characterised in that：The sun gear collar bush is located at
In hollow shaft, Jing clutches are combined or separate between the sun gear main shaft and hollow shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621061367.5U CN206086367U (en) | 2016-09-19 | 2016-09-19 | Formula electric drive assembly is arranged to double row star |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621061367.5U CN206086367U (en) | 2016-09-19 | 2016-09-19 | Formula electric drive assembly is arranged to double row star |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206086367U true CN206086367U (en) | 2017-04-12 |
Family
ID=58479088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621061367.5U Withdrawn - After Issue CN206086367U (en) | 2016-09-19 | 2016-09-19 | Formula electric drive assembly is arranged to double row star |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206086367U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106347112A (en) * | 2016-09-19 | 2017-01-25 | 福州大学 | Double planetary gear row type electric drive assembly and drive method thereof |
| CN108263192A (en) * | 2017-10-24 | 2018-07-10 | 广西玉柴机器股份有限公司 | A kind of hybrid power system |
| DE102017011387A1 (en) * | 2017-12-11 | 2019-06-13 | Daimler Ag | Electric drive device for a motor vehicle |
| CN113665353A (en) * | 2021-09-14 | 2021-11-19 | 燕山大学 | Dual-motor coupling driving system |
| CN113696721A (en) * | 2021-09-14 | 2021-11-26 | 燕山大学 | Dual-motor coupling driving system based on double-row single sun wheel type planetary mechanism |
-
2016
- 2016-09-19 CN CN201621061367.5U patent/CN206086367U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106347112A (en) * | 2016-09-19 | 2017-01-25 | 福州大学 | Double planetary gear row type electric drive assembly and drive method thereof |
| CN108263192A (en) * | 2017-10-24 | 2018-07-10 | 广西玉柴机器股份有限公司 | A kind of hybrid power system |
| CN108263195A (en) * | 2017-10-24 | 2018-07-10 | 广西玉柴机器股份有限公司 | Two grades of parallel-axis type double electric machine double row planetary gear hybrid power assemblies with limping system |
| CN108372780A (en) * | 2017-10-24 | 2018-08-07 | 广西玉柴机器股份有限公司 | The double electric machine double row planetary gear hybrid power assembly of locking device |
| CN108263195B (en) * | 2017-10-24 | 2023-06-23 | 广西玉柴机器股份有限公司 | Two-gear parallel shaft type double-motor double-planet-row hybrid power assembly with limp system |
| DE102017011387A1 (en) * | 2017-12-11 | 2019-06-13 | Daimler Ag | Electric drive device for a motor vehicle |
| WO2019115204A1 (en) | 2017-12-11 | 2019-06-20 | Daimler Ag | Electric drive device for a motor vehicle |
| CN113665353A (en) * | 2021-09-14 | 2021-11-19 | 燕山大学 | Dual-motor coupling driving system |
| CN113696721A (en) * | 2021-09-14 | 2021-11-26 | 燕山大学 | Dual-motor coupling driving system based on double-row single sun wheel type planetary mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170412 Effective date of abandoning: 20180720 |
|
| AV01 | Patent right actively abandoned |