CN205818934U - A kind of dual-motor drive system and be configured with the electric automobile of this system - Google Patents
A kind of dual-motor drive system and be configured with the electric automobile of this system Download PDFInfo
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- CN205818934U CN205818934U CN201620707685.8U CN201620707685U CN205818934U CN 205818934 U CN205818934 U CN 205818934U CN 201620707685 U CN201620707685 U CN 201620707685U CN 205818934 U CN205818934 U CN 205818934U
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- motor
- clutch
- gear
- sun gear
- dual
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Abstract
This utility model relates to automotive power.Aim to provide a kind of dual-motor drive system, including the first motor, the second motor, also include sun gear, planetary gear, gear ring and planet carrier；Fixed axis gear and driving gear；The motor shaft of the second motor is connected fixing with driving gear wheel；Described fixed axis gear is positioned at gear ring inner with driving gear, and fixed axis gear engages with gear ring and driving gear respectively；Also include controlling the first freewheel clutch that sun gear rotates；Also including the second freewheel clutch, the motor shaft of the first motor is connected by described second freewheel clutch with driving gear；Also include the combination that the 3rd clutch, described 3rd clutch are the 3rd freewheel clutch or actuator-operated clutch or the 3rd freewheel clutch and actuator-operated clutch.The dual-motor drive system that this utility model provides is capable of electric automobile automatic switchover under different operating modes, it is not necessary to is separately provided clutch linkage and controls device.
Description
Technical field
This utility model relates to automotive power, particularly relates to a kind of dual-motor electric automobile-used Two axle drive moment of torsion and turns
Speed automatically or semi-automatically overlapping system and be configured with the electric automobile of this overlapping system.
Background technology
At present, electric motor car has the feature being better than conventional internal combustion rolling stock in many aspects, such as zero-emission, high efficiency, nothing
Need to expend petroleum resources, operate steadily, noise is little.Conventional electrical vehicular power source uses single motor, but at running
Middle discovery, it is not enough that single motor also exists moment of torsion, and during operating, motor speed is too high, affect the technical problems such as electrical machinery life.For this
Technical problem, occurs in that the electric motor car of Dual-motors Driving in the market.Such as application number: 201210024534.9, title: electronic
Automobile and bi-motor thereof couple the control system of speed change gear and this device, disclose a kind of bi-motor and turn round in this patent document
Square and rotating speed stacking apparatus, its technical scheme provided is to include fixed axis gear mechanism, is connected with the first motor, has power defeated
Go out gear；And planetary gears, it is connected with the second motor, including: sun gear, have and be connected too with described second motor
Sun wheel central shaft；Ring gear, is set in outside described sun gear；Multiple planetary gears, are arranged on described sun gear and described internal tooth
Between circle；And planet carrier, connect the plurality of planetary gear, and output power to the rotary shaft of wheel, be characterised by, also wrap
Include linkage control device and torque coupling controls device.Control device by linkage control device and torque coupling and realize each clutch
The clutch switching of device, according to description and the Figure of description 5 of this patent document, linkage control device and torque coupling control
Device processed uses hydraulic control, and structure is complicated, not only adds manufacturing cost, and can cause fault in actual moving process
Rate promotes.According further to the description of description and combine Figure of description 1 and understand, the motor shaft of the first motor and fixed axis gear machine
Structure connects, and the motor shaft of the second motor is connected with sun gear center, and two motor shafts cannot realize coaxial line and install, and this pacifies in engineering
Load onto and can cause bigger difficulty.
Summary of the invention
The one that aims to provide this utility model can automatically switch each clutch on-off, reaches moment of torsion and rotating speed automatically or half
Automatically the system of superposition and the electric automobile that is configured to, to solve to be separately provided in prior art clutch controller
The technological deficiency that the structure caused is complicated, fault rate is high.
For realizing above-mentioned technical purpose, the technical solution adopted in the utility model is: a kind of dual-motor drive system, including
First motor, the second motor, also include sun gear, planetary gear, gear ring and planet carrier；
Also include fixed axis gear and drive gear；
The motor shaft of described second motor is connected fixing with driving gear；
It is characterized in that: described fixed axis gear with drive gear be positioned at gear ring inner, fixed axis gear respectively with gear ring and
Driving gear engages；
Also include controlling the first freewheel clutch that sun gear rotates；
Also including the second freewheel clutch, the motor shaft of the first motor is connected by described second freewheel clutch with driving gear
Connect；
Also include that the 3rd clutch, described 3rd clutch are the 3rd freewheel clutch or actuator-operated clutch or the 3rd surmounts
The combination of clutch and actuator-operated clutch, described 3rd clutch by controlled to the motor shaft of the first motor and sun gear or automatically from
Close, or by the motor shaft of the first motor and sun gear in the case of automatic clutch by sun gear with drive gear controlled from
Close；
Rotating forward, the first motor at the second motor are capable of the automatic superposition of moment of torsion when rotating forward, the second motor rotates forward, the
The controlled of rotating speed or automatic superposition it is capable of during one motor reversal.
Further, the motor shaft of described first motor, the motor shaft of the second motor, sun gear axle center, gear shaft
The heart is positioned on same axis.
Further, the described combination that the 3rd clutch is freewheel clutch and actuator-operated clutch, the electricity of the first motor
It is connected by the 3rd freewheel clutch between arbor with sun gear, is additionally provided with controlled between motor shaft and the sun gear of the first motor
Clutch, it is achieved when vehicle advances, moment of torsion superposes with the automatic of rotating speed, the reversion by the reversion of the second motor, the first motor is real
Existing car-backing function.
Further, the 3rd described clutch is actuator-operated clutch, and the motor shaft of the first motor passes through actuator-operated clutch
Being connected with sun gear, rotate forward at the second motor, the first motor realizes the automatic superposition of moment of torsion when rotating forward, the second motor rotates forward, the
One motor reversal realizes the controlled superposed of rotating speed, and the second motor reversal, the first motor reversal realize car-backing function.
Further, the 3rd clutch is the combination of freewheel clutch and actuator-operated clutch, wherein the motor of the first motor
It is connected by freewheel clutch between axle with sun gear, drives and be connected by actuator-operated clutch between gear and sun gear, the
Two motors rotating forwards, the first motor realize the automatic superposition of moment of torsion when rotating forward, the second motor rotates forward, the first motor reversal realizes rotating speed
Automatic superposition, the second motor reversal realizes car-backing function.
Further, when fixed carrier, the second motor → driving gear → fixed axis gear → gear ring → planetary gear →
The gear ratio of sun gear is more than 1.
This utility model additionally provides a kind of electric automobile, including the first motor and the second motor, the first motor, the second electricity
Machine uses aforesaid dual-motor drive system to install.
The Dual-motors Driving moment of torsion that this utility model provides and the automatic overlapping system of rotating speed are capable of electric automobile not
With the automatic switchover under operating mode, it is not necessary to be separately provided clutch linkage and control device, as long as controlling the rotating of the second motor
Can be achieved with torque couple, rotating speed coupling and fix the mode of operations such as no-load voltage ratio, reducing manufacturing cost, it is ensured that stablizing of vehicle
Reliability service.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of this dual-motor drive system first embodiment.
Accompanying drawing 2 is the structural representation of this dual-motor drive system the second embodiment.
Accompanying drawing 3 is the structural representation of this dual-motor drive system the 3rd embodiment.
Accompanying drawing 4 is the structural representation of this dual-motor drive system the 4th embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment describes this utility model in detail.
About first motor the 1, second motor 2, gear ring 5 and the rotating forward of each gear, the definition of reversion: by first in accompanying drawing 1
Motor 1 direction is observed to the right, and described just transfers to rotationally clockwise, and described is reversed to rotate in an anti-clockwise direction.
In each embodiment below, the 3rd freewheel clutch 73 being used alone that the 3rd clutch is defined as in each accompanying drawing
Or being applied in combination of the actuator-operated clutch 74 that is used alone or the 3rd freewheel clutch 73 and actuator-operated clutch 74, about the 3rd from
The specifically used of clutch will be described in more detail in embodiments.
Embodiment 1
As shown in Figure 1, this dual-motor drive system, including first motor the 1, second motor 2, also include sun gear 3, OK
Star-wheel 4, gear ring 5 and planet carrier 6, after operating, power is delivered to differential mechanism (not shown in accompanying drawing) by planet carrier 6 output.
As shown in Figure 1, also include fixed axis gear 81, drive gear 82, fixed axis gear 81 respectively with drive gear 82 and
Gear ring 5 engages.
As shown in Figure 1, also include controlling the first freewheel clutch 71 that sun gear rotates, the electricity of the second described motor
Arbor 21 is connected with driving gear 82, and the motor shaft 11 of the first described motor is by the second freewheel clutch 72 and driving gear
82 connect.
In the present embodiment, the 3rd clutch is the 3rd freewheel clutch 73 being used alone, as shown in Figure 1, first
The motor shaft 11 of motor 1 is connected with sun gear 3 by the 3rd freewheel clutch 73.
During making, gear ring is widened, and sun gear 3, planetary gear 4 are positioned at the side of gear ring, fixed axis gear 81 and driving gear
82 opposite sides being positioned at gear ring inner, the motor shaft 21 of motor shaft 11, second motor of the first motor is positioned at the two of sun gear 3
Side.For convenience of installation during engineering construction, whole system is made to become compacter, in the present embodiment, the motor shaft of the first motor
11, motor shaft 21 and sun gear 3 axle center of the second motor is positioned on same axis.
As shown in Figure 1, first freewheel clutch the 71, second freewheel clutch 72 can only one direction turn according to Impact direction
Dynamic, the first freewheel clutch 71 limits sun gear 3 and can only rotate in an anti-clockwise direction, i.e. sun gear 3 can only invert.Below by respectively
The explanation that runs planting operating mode describes the operating state of each clutch.
Below for the train shown in accompanying drawing 1, various operating modes are described further.
Operating mode 1
Little moment of torsion list motor works.
When vehicle is under normal transport condition, when torque value is less than preset value, the second motor 2 works, the first motor 1 not work
Make.As shown in Figure 1, the second motor 2 rotates forward, and the motor shaft 21 of the second motor drives and drives gear 82 to rotate forward, second surmount from
Clutch 72 is in released state, and the 3rd clutch is the 3rd freewheel clutch 73 being used alone, the motor shaft 11 of the first motor
Being connected by the 3rd freewheel clutch 73 with sun gear 3, now the 3rd freewheel clutch 73 separates, the motor shaft 11 of the first motor
Remain static, the second motor 2 drive drive gear 82 rotate forward → fixed axis gear 81 inverts → gear ring 5 inverts → planetary gear 4
Reversion → sun gear 3 has rotating forward trend → the first freewheel clutch 71 and combines defeated by planet carrier 6 for the fixing → power of sun gear 3
Go out.
Operating mode 2
High pulling torque bi-motor works.
When vehicle in climbing or quickly gives it the gun under state, and torque value is more than preset value, as shown in Figure 1, second
Motor rotates forward, and the motor shaft 21 of the second motor drives and drives gear 82 to rotate forward, and fixed axis gear 81 inverts, and gear ring 5 inverts, planetary gear
4 reversions, sun gear 3 have rotating forward to transfer toward gesture, and the first freewheel clutch 71 combines to be fixed sun gear 3.First motor rotates forward, and the 3rd
Freewheel clutch 73 is in released state, and controlling the first motor speed has the trend surmounting the second motor speed, second surmount from
Clutch 72 combines, and the power of the first motor 1 is transferred to the automatic superposition driving gear 82 to achieve moment of torsion, the power warp after superposition
Planet carrier 6 exports, and reaches the effect of moment of torsion superposition.
Operating mode 3
Vehicle under running status accelerates.
When vehicle carries out to be accelerated motion under normal transport condition, the second motor 2 rotates forward, and the first motor 1 inverts.As
Shown in accompanying drawing 1, the second motor 2 rotate forward → drive gear 82 rotate forward → fixed axis gear 81 inverts → gear ring 5 inverts.First motor 1
When reversion, the second freewheel clutch 72 is in released state, and the 3rd freewheel clutch 73 combines, and the first motor 1 drives the sun
Wheel 3 reversion the → the first freewheel clutches 71 separate → and planetary gear 4 rotates forward.Planetary gear 4 rotates forward and gear ring 5 reversion accelerates planet carrier
The rotating speed of 6, it is achieved that the automatic superposition of rotating speed, reaches the purpose that vehicle accelerates.
As seen from the above description, use this moment of torsion and the automatic overlapping system of rotating speed, in the case of the second motor rotates forward only
The rotating of the first motor need to be controlled can realize moment of torsion and superpose with the automatic of rotating speed, it is possible to effectively solve prior art needs
Being separately provided the technical problem of clutch controller, the operation making vehicle is more reliable and more stable, reduces vehicle operation
In rate of breakdown.The motor shaft of the first motor and the motor shaft of the second motor are arranged on the both sides of sun gear and protect simultaneously
Hold and make whole system compacter at same axis, be also beneficial to the installation on vehicle rear axle of this system.
This system can be widely applied on the electric automobile of Dual-motors Driving, in the present embodiment, it is provided that a kind of bi-motor
The electric automobile driven, it includes the first motor, the second motor, and the first motor, the second motor are according to aforesaid moment of torsion and rotating speed
Automatically overlapping system is installed.
Embodiment 2
The dual-motor drive system that the present embodiment provides is increase car-backing function on the basis of embodiment 1.
As shown in Figure 2, providing the 3rd clutch in the present embodiment is the 3rd freewheel clutch 73 and actuator-operated clutch 74
Be applied in combination, on the basis of embodiment 1 between the motor shaft 11 and sun gear 3 of the first motor increase controllable clutch
74, this preferred electromagnetic clutch of clutch 74.
With reference to the accompanying drawings shown in 1, when the second motor 2 inverts, cause the action of two lines, the first route: second surmount from
Clutch 72 combines → and the motor shaft 11 of the first motor inverts → and the 3rd freewheel clutch 73 combines the → synchronized reversion of sun gear 3.
Second route: drive gear 82 invert → fixed axis gear 81 rotates forward → gear ring 5 rotates forward → planetary gear rotating forward → sun
Wheel 3 reversion the → the first freewheel clutch 71 separates.
The result of above two route is: due to the factor of gear ratio, if the second motor speed is 1000r/s, when solid
When determining planet carrier, the rotating speed of the sun gear 3 that the second route causes is more than 1000 r/s, thus causes the 3rd freewheel clutch 73 points
From, sun gear 3 separates with the motor shaft of the first motor, the unloaded reversion of sun gear 3, causes the unpowered output of planet carrier.
As shown in Figure 2, after increasing controllable clutch 74, during reversing, the controlled combination of controllable clutch 74, the first motor 1
The rotating speed of the first motor 1 is also fixed as the rotating speed consistent with the second motor 2 by reversion, and such as 1000r/s, the first motor causes the sun
The rotating speed of wheel 3 is 1000r/s, and the second motor 2 is also transmitted to too by driving gear 82, fixed axis gear 81, gear ring 5, planetary gear 4
Sun wheel 3, by differential, drives planet carrier to realize car-backing function.
When stating car-backing function in realization, it is desirable to when fixed carrier, the second motor → driving gear → fixed axis gear
The gear ratio of → gear ring → planetary gear → sun gear is more than 1.
Embodiment 3
As shown in Figure 3, this train is as a kind of change gained of embodiment 2.
As shown in Figure 3, in this train, the 3rd clutch is the actuator-operated clutch 74 being used alone, actuator-operated clutch
The motor shaft 11 of the first motor is connected by 74 with sun gear 3, eliminates the 3rd freewheel clutch 73 in embodiment 2.
With reference to the accompanying drawings shown in 3, during moment of torsion superposition, controlling the rotating speed of the first motor 1 has and surmounts becoming of the second motor 2 rotating speed
Gesture, the second freewheel clutch 72 combines automatically, and actuator-operated clutch 74 separates, and the output moment of torsion of two motors is superimposed upon driving gear 82
On, it is achieved the automatic superposition of moment of torsion.During rotating speed superposition, controlling the first motor 1 and invert, the second freewheel clutch 72 separates, controlled
The controlled combination of clutch 74, it is achieved the controlled superposed of rotating speed, the principle of rotating speed superposition is consistent with the principle of operating mode 3 in embodiment 1,
Replace the 3rd freewheel clutch 73 just with actuator-operated clutch 74, thus reach that moment of torsion is automatic with rotating speed and semi-automatic superposes effect
Really.
During reversing, the controlled combination of actuator-operated clutch 74, the second motor 2 inverts, and the second freewheel clutch 72 combines, the first electricity
Machine 1 inverts and the rotating speed of the first motor 1 is fixed as the rotating speed consistent with the second motor 2, such as 1000r/s, the rotating speed of sun gear 3
For 1000r/s.Second motor 2, by driving gear 82, fixed axis gear 81, gear ring 5, planetary gear 4 to be transferred to sun gear 3, passes through
Differential, drives planet carrier to realize car-backing function.
In like manner, when stating car-backing function in realization, it is desirable to when fixed carrier, the second motor → driving gear → dead axle
The gear ratio of gear → gear ring → planetary gear → sun gear is more than 1.
Embodiment 4
As shown in Figure 4, this train is as the another kind of change gained of embodiment 2.
As shown in Figure 4, in this train, the 3rd clutch is the group of the 3rd freewheel clutch 73 and actuator-operated clutch 74
Closing and use, the motor shaft of the first motor is connected by the 3rd freewheel clutch 73 with sun gear 3, and actuator-operated clutch 74 will drive gear
82 are connected with sun gear 3.
With reference to the accompanying drawings shown in 4, during moment of torsion superposition, controlling the rotating speed of the first motor 1 has and surmounts becoming of the second motor 2 rotating speed
Gesture, the second freewheel clutch 72 combines automatically, and actuator-operated clutch 74 separates, it is achieved the automatic superposition of moment of torsion.During rotating speed superposition, control
Making the first motor 1 to invert, the second freewheel clutch 72 separates, and the 3rd freewheel clutch 73 combines automatically, and the first motor 1 drives too
Sun wheel 3 reversion → planetary gears 4 rotate forward.Second motor 2 rotate forward → drive gear 82 rotate forward → fixed axis gear 81 inverts → gear ring 5 is anti-
Turn.Planetary gear 4 rotates forward and gear ring 5 reversion drives planet carrier 6 faster rotational speed, so that rotating speed is overlapped, reaches vehicle and accelerates
Purpose.
During reversing, the controlled combination of controllable clutch 74, the second motor 2 inverts, and drives gear 82 to drive sun gear 3 synchronized instead
Turn.Owing to the gear ratio of the second motor → driving gear → fixed axis gear → gear ring → planetary gear → sun gear is more than 1, by difference
Speed, drives planet carrier to realize car-backing function, and now, the second freewheel clutch 72 combines, and drives the first motor 1 reversely to dally.
This utility model additionally provides the electric automobile of a kind of Dual-motors Driving, and it includes the first motor, the second motor, the
The dual-motor drive system that one motor, the second motor are provided by any of the above-described embodiment is installed.
Claims (7)
1. a dual-motor drive system, including the first motor, the second motor, also includes sun gear, planetary gear, gear ring and planet
Frame；
Also include fixed axis gear and drive gear；
The motor shaft of described second motor is connected fixing with driving gear；
It is characterized in that: described fixed axis gear with drive gear be positioned at gear ring inner, fixed axis gear respectively with gear ring and driving
Gear engages；
Also include controlling the first freewheel clutch that sun gear rotates；
Also including the second freewheel clutch, the motor shaft of the first motor is connected by described second freewheel clutch with driving gear；
Also include that the 3rd clutch, described 3rd clutch are the 3rd freewheel clutch or actuator-operated clutch or the 3rd overdrive clutch
The combination of device and actuator-operated clutch, described 3rd clutch by controlled to the motor shaft of the first motor and sun gear or automatic clutch,
Or by the motor shaft of the first motor and sun gear in the case of automatic clutch by sun gear with drive the controlled clutch of gear；
Be capable of the automatic superposition of moment of torsion when rotating forward, the first motor rotating forward of the second motor, the second motor rotates forward, the first electricity
It is capable of the controlled of rotating speed or automatic superposition during machine reversion.
A kind of dual-motor drive system the most according to claim 1, it is characterised in that: the motor shaft of described first motor,
The motor shaft of the second motor, sun gear axle center, the gear shaft heart are positioned on same axis.
A kind of dual-motor drive system the most according to claim 1, it is characterised in that: the 3rd described clutch is for surmounting
Clutch and the combination of actuator-operated clutch, be connected by the 3rd freewheel clutch between the motor shaft of the first motor and sun gear,
It is additionally provided with actuator-operated clutch, it is achieved moment of torsion and rotating speed from fold when vehicle advances between motor shaft and the sun gear of the first motor
Add, realize car-backing function by the reversion of the second motor, the reversion of the first motor.
A kind of dual-motor drive system the most according to claim 1, it is characterised in that: the 3rd described clutch is controlled
Clutch, the motor shaft of the first motor is connected with sun gear by actuator-operated clutch, rotates forward at the second motor rotating forward, the first motor
The automatic superposition of Shi Shixian moment of torsion, the second motor rotates forward, the first motor reversal realizes the controlled superposed of rotating speed, and the second motor is anti-
Turn, the first motor reversal realizes car-backing function.
A kind of dual-motor drive system the most according to claim 1, it is characterised in that: the 3rd clutch is freewheel clutch
With the combination of actuator-operated clutch, wherein it is connected by freewheel clutch between the motor shaft of the first motor and sun gear, drives tooth
Wheel is connected by actuator-operated clutch with between sun gear, realizes the automatic of moment of torsion at the second motor rotating forward, the first motor when rotating forward
Superposition, the second motor rotates forward, the first motor reversal realizes the automatic superposition of rotating speed, and the second motor reversal realizes car-backing function.
6. according to a kind of dual-motor drive system described in claim 3,4 or 5, it is characterised in that: when fixed carrier, the
The gear ratio of two motors → driving gear → fixed axis gear → gear ring → planetary gear → sun gear is more than 1.
7. an electric automobile, including the first motor and the second motor, the first motor, the second motor use in claim 1-6
The dual-motor drive system described in any one install.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620707685.8U CN205818934U (en) | 2016-07-07 | 2016-07-07 | A kind of dual-motor drive system and be configured with the electric automobile of this system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620707685.8U CN205818934U (en) | 2016-07-07 | 2016-07-07 | A kind of dual-motor drive system and be configured with the electric automobile of this system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205818934U true CN205818934U (en) | 2016-12-21 |
Family
ID=57564340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620707685.8U Withdrawn - After Issue CN205818934U (en) | 2016-07-07 | 2016-07-07 | A kind of dual-motor drive system and be configured with the electric automobile of this system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205818934U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106042912A (en) * | 2016-07-07 | 2016-10-26 | 张永峰 | Double-motor drive torque and rotating speed automatic or semiautomatic superimposing system and electric automobile provided with the superimposing system |
-
2016
- 2016-07-07 CN CN201620707685.8U patent/CN205818934U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106042912A (en) * | 2016-07-07 | 2016-10-26 | 张永峰 | Double-motor drive torque and rotating speed automatic or semiautomatic superimposing system and electric automobile provided with the superimposing system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161221 Effective date of abandoning: 20180731 |