CN217863692U - Compound power speed change device and electric vehicle - Google Patents

Abstract

The utility model provides a double entry power transmission and electric motor car, relate to electric motor car power transmission field, the integrated double clutch of power device, double planetary mechanism, including a motor, an end cap, a controller, and a cover plate, engine and differential mechanism, compact occupation space is little, the function multifunctionality is strong, it directly drives multiple conveying motion function and the performance that power mode and two grades of variable speeds combined together to have motor and engine, can implement the electricelectric of electric motor car and directly drive the operation, increase the multiple operation mode of form operation and hybrid, it is at wide range high efficiency operating interval to move under full operating mode and hourly speed condition to multiple power combination adaptation vehicle.

Description

Compound power speed change gear and electric vehicle

Technical Field

The utility model relates to a power transmission field of electric motor car and hybrid vehicle especially relates to a double entry power transmission and electric motor car.

Background

The new energy electric vehicle is efficient, energy-saving and environment-friendly, and the configuration of the power speed change device directly influences the running function and the running mileage of the whole electric vehicle. The running mode of the electric vehicle power speed change device system has direct influence on the efficiency and the cost of the full-working-condition running, and the limitation of the size and the function of the conventional power speed change device causes high energy consumption of the vehicle, the endurance mileage is reduced, and the running cost of the vehicle is increased.

The utility model provides a double entry power transmission and electric motor car adopts two motors, an engine and double clutch and the integrated configuration of double planet variable speed transmission. The technical scheme can increase more power transmission modes by adopting a concentric transmission mode, so that the electric vehicle runs in a wide high-efficiency interval under the condition of a complex running working condition, is suitable for running of the electric vehicle with hybrid power, plug-in hybrid power, extended range and pure electric mode, can be placed in a front position and a rear position, and has the advantages of compact structure, less occupied space, diversified power performance and transmission function selection, high comprehensive efficiency, increased endurance mileage and reduced configuration and running cost of the whole vehicle.

Disclosure of Invention

The utility model provides a double entry power speed change gear and electric motor car, compact structure, power volume density is high, and multiple motive power conveying motion mode makes up, directly drives power and variable speed power and combines, solves the problem that the transmission function list that present power speed change gear exists is thin, the performance is few.

The utility model provides a double entry power transmission and electric motor car, include: the first planetary transmission composition comprises the first central wheel, the first planetary wheel, the first planet carrier, the first gear ring, the first output shaft, the first motor, the first stator, the first rotor and the first rotor shaft; the first stator is arranged on the inner wall of the outer shell, the first rotor is rotatably arranged in the inner cavity of the first stator, the right end of the hollow necking of the first rotor shaft is connected with the first rotor, the first center wheel is concentrically sleeved at the left end of the hollow necking of the first rotor shaft, the first gear ring is fixedly arranged on the inner wall of the outer shell, the first planet wheel is mutually meshed with the outer teeth of the first center wheel and the inner teeth of the first gear ring, and the first planet carrier is connected with the first planet wheel and fixedly sleeved at the right end of the first output shaft;

the second planetary transmission synthesis comprises: the second motor and the second stator, the second rotor and the second rotor shaft, the second center wheel, the second planet carrier, the second gear ring, and the second output shaft; the second planet carrier fixedly sleeve in second rotor shaft right-hand member, second rotor shaft cavity set firmly in with one heart in second rotor centre bore, the second rotor rotationally set up in second stator inner chamber, the second stator set up in the inner wall of interior casing, interior casing set up in the first rotor cavity, the second centre wheel set up in second output shaft right-hand member, the second ring gear set firmly in shell body inner wall, the second planet wheel with second centre wheel external tooth reaches second ring gear internal tooth meshing.

The engine is connected with the right end of the second output shaft through the third clutch, and the engine, the first motor and the second motor are configured at different rotating speeds and torques, so that diversified power driving functions and working modes are realized.

The double clutch comprises a first flywheel, a first clutch, a second flywheel, a second clutch and a third output shaft, wherein the first flywheel is sleeved on a left port of the first output shaft, the second flywheel is sleeved on a left port of the second output shaft, the second output shaft penetrates through the first output shaft, the first rotor shaft and the second rotor shaft from left to right in a tubular shape, the first clutch and the second clutch are sequentially sleeved on the right end of the third output shaft, and the left end of the third output shaft is connected with the differential mechanism.

According to the utility model provides a double entry power transmission and electric motor car, include the synchronizer with the clutch, will the synchronizer perhaps the clutch set up in first rotor axle the second rotor axle first output shaft the second output shaft can set up multistage planetary drive.

According to the utility model provides a double entry power transmission and electric motor car, include differential mechanism, differential mechanism is connected with the semi-axis of vehicle, still includes casing backup pad and bearing.

According to the utility model provides a compound power speed change gear and an electric vehicle, the power device is an inner rotor motor or an outer rotor motor; the transmission ratio of the first planetary transmission composition to the second planetary transmission composition is different; the gears synthesized by the planetary transmission are straight gears, helical gears or herringbone gears; the positions of the first planetary transmission composition and the second planetary transmission composition can be mutually replaced or replaced; the synchronizers and clutches of the first planetary gearset and the second planetary gearset may be interchanged or replaced and employed or not employed.

According to the utility model provides a double entry power transmission and electric motor car still includes: the first motor and the second motor are in an independent direct-drive or common direct-drive operation mode; the first motor directly drives and operates in a mode together with the second motor in variable speed; the second motor direct drive and the first motor are in a speed reduction and torque increase common operation mode; the first motor and the second motor are in a speed-changing mode independently or jointly; the first motor speed and torque increasing and second motor speed and torque increasing and torque decreasing common operation mode; the first electric machine or the second electric machine alone or together implement a mode of energy recovery.

According to the utility model provides a double entry power transmission and electric motor car, include: a mode in which the engine and the first motor are driven directly together; a mode that the engine and the second motor are driven directly together; a mode that the engine, the first motor and the second motor are directly driven together; the engine directly drives a mode of running together with the first motor speed change; the engine directly drives and operates with the second motor in a variable speed mode; and the engine directly drives a mode of running together with the first motor speed change and the second motor speed change.

According to the utility model provides a double entry power transmission and electric motor car still includes the engine drives the mode of second motor electricity generation reaches the mode that the engine directly driven alone.

The electric vehicle comprises a vehicle main body and is characterized by also comprising an electric vehicle power synthesis device, wherein the electric vehicle power synthesis device is the compound power speed change device.

An electric vehicle comprising: the double-power speed change device is in driving connection with the electric vehicle.

The utility model discloses can distribute various power synthesis of directly driving with multiple variable speed more rationally, make the power assembly can effectively move at the high efficiency interval under the vehicle different work condition in time the fast condition, increase the configuration cost and the running cost of journey continuation and reduction electric motor car.

Drawings

In order to illustrate the technical solutions of the present invention or the prior art more clearly, the drawings used in the following embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic diagram of a planetary speed reduction and planetary speed increase two-gear device of a compound power transmission device;

FIG. 2 is a schematic diagram of a two-speed reduction power unit with synchronizer and clutch configuration for a dual power transmission.

Reference numerals:

11: a first center wheel; 12: a first planet gear; 13: a first carrier; 14: a first ring gear;

15: a second center wheel; 16: a second planet wheel; 17: a second planet carrier; 18: a second ring gear;

19: a first motor; 20: a first stator; 21: a first rotor; 22: a first rotor shaft;

23: a second motor; 24: a second stator; 25: a second rotor; 26: a second rotor shaft;

27: a first output shaft; 28: a second output shaft; 29: a third output shaft;

30: a first clutch; 31: a first flywheel; 32: a second clutch; 33: a second flywheel;

34: a third clutch; 35: a third flywheel; 36: an engine; 37: a differential mechanism;

38: an outer housing; 39: an inner housing; 40: a fourth clutch; 41; a fourth flywheel;

42: a fifth clutch; 43; a fifth flywheel; 44: a first synchronizer; 45: a second synchronizer.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are provided to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.

In embodiments of the invention, unless expressly stated or limited otherwise, a first feature may be "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

In a first embodiment, as shown in fig. 1, the present invention provides a dual power transmission device and an electric vehicle including: the first planetary transmission synthesis comprises a first central wheel 11, a first planetary wheel 12, a first planet carrier 13, a first gear ring 14, a first output shaft 27, a first motor 19, a first stator 20, a first rotor 21 and a first rotor shaft 22; the first stator 20 is arranged on the inner wall of the outer shell 38, the first rotor 21 is rotatably arranged in the inner bore of the first stator 20, the right end of the hollow necking of the first rotor shaft 22 is connected with the first rotor 21, the first central wheel 11 is concentrically sleeved on the left end of the hollow necking of the first rotor shaft 22, the first gear ring 14 is fixedly arranged on the inner wall of the outer shell 38, the outer teeth of the first planet wheel 12 and the first central wheel 11 are meshed with the inner teeth of the first gear ring 14, and the first planet carrier 13 is connected with the first planet wheel 12 and fixedly sleeved on the right end of the first output shaft 27.

The second planetary transmission synthesis comprises a second motor 23, a second stator 24, a second rotor 25, a second rotor shaft 26, a second central wheel 15, a second planet wheel 16, a second planet carrier 17, a second gear ring 18 and a second output shaft 28; second planet carrier 17 is fixed in the right port of second rotor shaft 26, second rotor shaft 26 cavity is concentric to be set firmly in second rotor 25 hole, second rotor 25 rotationally sets up in second stator 24 bore, second stator 24 sets up in the inner wall of interior casing 39, interior casing 39 is connected with the right side backup pad and sets up in the cavity of first rotor 21, second sun gear 15 sets up in second output shaft 28 right-hand member, second ring gear 18 sets up in shell body 38 inner wall, second planet wheel 16 and the external tooth of second sun gear 15 and the internal toothing of second ring gear 18.

An engine 36 is connected to the right end of the second output shaft 28 through a third clutch 34, and the engine 36 is configured with the first motor 19 and the second motor 23 at different rotation speeds and torques.

The double clutch comprises a first flywheel 31, a first clutch 30, a second flywheel 33, a second clutch 32 and a third output shaft 29, the first flywheel 31 is sleeved at the left end of the first output shaft 27, the second flywheel 33 is sleeved at the left end of the second output shaft 28, the second output shaft 28 penetrates through the tubular hollow first output shaft 27, the first rotor shaft 22 and the second rotor shaft 26 from left to right, the first clutch 30 and the second clutch 32 are sequentially sleeved at the right end of the third output shaft 29, and the left end of the third output shaft 29 is connected with a differential 37.

Further comprising: the first rotor shaft 22, the second rotor shaft 26, the first output shaft 27 and the second output shaft 28 are provided with synchronizers or clutches; the multi-stage planetary transmission can be arranged, and is any combination of a speed reducing structure and a speed increasing structure.

Comprises a differential 37, a shell supporting plate and a bearing; the structure can be an inner rotor motor or an outer rotor motor; the gears synthesized by the planetary transmission can be straight gears, helical gears or herringbone gears; optionally, the positions of the first planetary transmission composition and the second planetary transmission composition are mutually replaced or replaced; the synchronizers and clutches of the first planetary transmission complex and the second planetary transmission complex may be interchanged or replaced with each other and employed or not employed.

Including but not limited to: the first motor 19 and the second motor 23 are in three operation modes of independent direct-drive operation or common direct-drive operation; the first motor 19 directly drives and operates in a speed increasing and torque reducing common mode with the second motor 23; the second motor 23 directly drives and operates in a speed reduction and torque increase common operation mode with the first motor 19; the first motor 19 and the second motor 23 are operated in three operation modes of independent speed change or common speed reduction and torque increase; the first motor 19 operates in a speed-reducing and torque-increasing mode together with the second motor 23 in a speed-increasing and torque-reducing mode; the first electric machine 19 or the second electric machine 23, alone or in combination, implement three operating modes of energy recovery.

Including but not limited to: the engine 36 and the second electric machine 23 are in a common direct drive mode; the engine 36, the first electric machine 19 and the second electric machine 23 are in a direct drive mode together; the engine 36 directly drives the variable speed common operation mode with the first electric machine 19; the engine 36 directly drives and operates in a variable speed common operation mode with the second motor 23; the engine 36 directly drives the co-operating mode with the first electric machine 19 variable speed and the second electric machine 23 variable speed.

It is worth explaining, the utility model discloses a power device constitutes, be same axis including first motor 19, second motor 23, engine 36, two planetary mechanism, double clutch, this kind of novel structure has constituted motor and engine power and the driven inseparable integration of planetary mechanism effectively, under the condition that the selectivity set up synchronous ware, clutch, has realized the power take off of the multiple mode of power assembly, satisfies the full operating mode requirement of traveling better.

The utility model relates to a double entry power transmission and electric motor car has multiple motion mode, because power device's operational mode is diversified, only mentions here some embodiments, and does not limit the utility model discloses a power device's all operational modes. Those skilled in the art will be able to derive further embodiments of the invention without the exercise of inventive work.

Embodiment two as shown in fig. 2, the features different from fig. 1 are:

the left port of the first rotor shaft 22 is connected with the fourth flywheel 41 and is separated or coupled with the fourth clutch 40 at the right port of the first output shaft 27; a first synchronizer 44 is arranged at the right side of the first central wheel 11 and connected with the first rotor shaft 22, and is separated from or meshed with a joint gear ring at the right side of the first central wheel 11, and a needle bearing is arranged between the first central wheel 11 and the first rotor shaft 22; the right port of the second rotor shaft 26 is connected with a fifth flywheel 43 and is coupled or separated with a fifth clutch 42 connected with the right end of the second output shaft 28; a second synchronizer 45 is arranged at the left side of the second central wheel 15 and is connected with the second rotor shaft 26, and the joint gear ring at the left side of the second central wheel 15 corresponding to the second synchronizer is separated or meshed; a needle bearing is provided between the second center wheel 15 and the second rotor shaft 26.

In the third embodiment, as shown in fig. 2, the first motor and the second motor are directly driven separately or together:

when the first electric machine 19 is operated directly, the fourth clutch 40 and the fourth flywheel 41 are coupled, and the direct drive power of the first electric machine 19 is transmitted to the differential 37 through the first output shaft 27 and the first clutch 30, and at this time, the first synchronizer 44 on the right side of the first central wheel 11 is disengaged, the second electric machine 23 is not operated, and the third clutch 34 is disengaged.

When the second motor 23 is operated directly, the fifth clutch 42 is coupled to the fifth flywheel 43, and the second clutch 32 is coupled to transmit the direct drive power of the second motor 23 to the differential 37, while the second synchronizer 45 on the left side of the second center wheel 15 is disengaged, the first motor 19 is not operated, and the third clutch 34 is disengaged.

When the first motor 19 and the second motor 23 are in direct-drive operation together, the fourth clutch 40 and the fourth flywheel 41 are coupled, the first clutch 30 is coupled to transmit the direct-drive power of the first motor 19 to the differential 37, the fifth clutch 42 and the fifth flywheel 43 are coupled to transmit the direct-drive power of the second motor 23 to the differential 37 through the second clutch 32, the first synchronizer 44 on the right side of the first central wheel 11 and the second synchronizer 45 on the left side of the second central wheel 15 are in a separated state respectively, the motor controller enables the rotating speeds of the first motor 19 and the second motor 23 to be the same, and the third clutch 34 is separated.

In the fourth embodiment, as shown in fig. 2, the first electric machine 19 directly drives the variable speed common operation mode with the second electric machine 23:

when the first motor 19 directly drives, the power of the first rotor shaft 22 is coupled through the fourth clutch 40, the first output shaft 27 and the first clutch 30, and the power is transmitted to the third output shaft 29 and the differential 37; the second electrical machine 23 is running simultaneously, the second rotor shaft 26 is coupled via a second synchronizer, the second sun gear 15, the second planet gears 16, the second planet carrier 17, the second output shaft 28, the second clutch 32, transmitting power to the third output shaft 29 and the differential 37; at this time, the angular velocities transmitted to the third output shaft 29 by the first output shaft 27 and the second output shaft 28 are the same, and the third clutch 34 is disengaged.

Fifth embodiment as shown in fig. 2, the second electric machine 23 is in a variable speed co-operating mode with the first electric machine 19:

when the second motor 23 is operated directly, the power of the second rotor shaft 26 is coupled through the fifth clutch 42, the second output shaft 28 and the second clutch 32, and the power is transmitted to the third output shaft 29 and the differential 37; the first electric machine 19 is operated simultaneously, the first rotor shaft 22 is coupled via the first synchronizer 44, the first sun gear 11, the first planetary gears 12, the first carrier 13, the first output shaft 27, and the first clutch 30 to transmit power to the third output shaft 29 and the differential 37, at this time, the angular speeds transmitted by the first output shaft 27 and the second output shaft 28 to the third output shaft 29 are the same, and the third clutch 34 is disengaged.

Sixth embodiment as shown in fig. 2, three operating modes of the first electric machine 19 and the second electric machine 23 are independently or jointly shifted:

the first electric machine 19 operates with a single speed change, the first rotor shaft 22 transmits the motive power of the first electric machine 19 to the first output shaft 27 through the first central wheel 11, the first planetary wheels 12 and the first carrier 13, the first output shaft 27 transmits the power after speed reduction and torque increase to the differential 37 through the first clutch 30, and the engaged ring gear on the right side of the first central wheel 11 is meshed with the corresponding first synchronizer 44.

The second electric machine 23 runs with a single speed change, the second rotor shaft 26 transmits the motive power of the second electric machine 23 for speed reduction and torque increase to the second output shaft 28 through the second central wheel 15, the second planet wheels 16 and the second planet carrier 17, the second output shaft 28 transmits the motive power after speed reduction and torque increase to the differential 37 through the second clutch 32, the engaged gear ring at the left side of the second central wheel 15 is engaged with the corresponding second synchronizer 45, and the third clutch 34 is disengaged.

The first motor 19 and the second motor 23 simultaneously perform the common speed reduction and torque increase operation in the above-mentioned single operation mode, and the controller makes the angular speeds transmitted to the third output shaft 29 by the first output shaft 27 and the second output shaft 28 the same and the third clutch 34 is disengaged in the operation mode.

Seventh embodiment as shown in fig. 1, the first electric machine 19 operates in a speed-reducing and torque-increasing mode together with the second electric machine 23 in a speed-increasing and torque-decreasing mode:

when the first motor 19 and the second motor 23 operate at a common speed change, the first motor 19 transmits motive power for speed reduction and torque increase to the third output shaft 29 and the differential 37 through the first central wheel 11, the first planet wheel 12 and the first planet carrier 13, the first output shaft 27 and the first clutch 30, and the first clutch 30 is coupled at the moment; the second electric machine 23 transmits the motive power with increasing speed and decreasing torque to the third output shaft 29 and the differential 37 through the second planet carrier 17, the second planet wheel 16, the second central wheel 15, the second output shaft 28 and the second clutch 32, at this time, the second clutch 32 is coupled, the third clutch 34 is disengaged, and the controller makes the angular speeds of the first electric machine 19 and the second electric machine 23 acting on the third output shaft 29 the same.

To the electric motor car of bi-motor configuration, a motor performance is configured into main high-speed directly driving and the speed reduction increases the square operating mode with relative high-speed little torque, and another motor is configured into main vehicle startup and well low-speed directly driving and the speed increase reduces the square operating mode with the great torque of relative low-speed to directly drive and increase and decrease the variable speed function and cooperate, the utility model discloses an electric motor car provides the new mode of drive power distribution.

Embodiment eight as shown in fig. 1, the first electric machine 19 or the second electric machine 23 can be used in three modes of energy recovery, alone or together:

when the electric vehicle adopts an energy recovery mode, the controller does not supply power to the first motor 19 and the second motor 23, the first clutch 30 or the second clutch 32 is coupled singly or jointly, the wheel rotates to drive the third output shaft 29, the first output shaft 27 or the second output shaft 28 to rotate, then the wheel rotates through the first planetary transmission synthesis or the second planetary transmission synthesis and runs in a reverse direction, the wheel rotating power is transmitted to the first rotor 21 or the second rotor 25 and the motor stator to generate electromagnetic induction to generate electric energy, and the third clutch 34 is separated.

Embodiment nine as shown in fig. 1, the engine 36 drives the second electric machine 23 to generate electricity:

when the engine 36 is used as a range extender, the third clutch 34 is coupled, the second clutch 32 is disengaged, the engine 36 transmits the rotary power to the second rotor 25 through the third clutch 34, the second output shaft 28, the second sun gear 15, the second planet gear 16 and the second planet carrier 17, and the second rotor 25 and the second stator 24 generate electromagnetic induction to generate electric energy.

Embodiment ten as shown in fig. 2, the engine 36 is in direct drive only mode:

when the engine 36 operates as direct drive power, as shown in fig. 2, the third clutch 34 is coupled, the second clutch 32 is coupled, the first motor 19 and the second motor 23 are not operated, and the driving force of the engine 36 is directly transmitted to the third output shaft 29 and the differential 37 to drive the vehicle to run.

Eleventh embodiment as shown in fig. 2, six modes of operation of the first and second electric machines 19 and 23 and the engine 36 are common:

as in the above embodiments, the first electric machine 19 and the second electric machine 23 implement various operation modes, when the third clutch 34 is coupled, the engine 36 rotates to transmit motive power to the second output shaft 28 to implement a direct drive or variable speed operation mode respectively or jointly with the first electric machine 19 and the second electric machine 23, at this time, the controller makes the angular speeds of the engine 36 and the second electric machine 23 transmitted to the second output shaft 28 the same, and when the first electric machine 19 participates in joint operation, the controller makes the angular speed of the first electric machine 19 transmitted to the third output shaft 29 through the first output shaft 27 the same as the angular speed of the engine 36 and the second electric machine 23 transmitted to the third output shaft 29 through the second output shaft 28 jointly; under the condition, the engine 36 and the first electric machine 19 and the second electric machine 23 can jointly implement six operation modes, the engine 36 and the first electric machine 19 are jointly and directly driven, the engine 36 and the second electric machine 23 are jointly and directly driven, the engine 36 and the first electric machine 19 are directly driven to operate together in a speed changing mode, the engine 36 and the second electric machine 23 are directly driven to operate together in a speed changing mode, and the engine 36 and the first electric machine 19 are directly driven to operate together in a speed changing mode and the second electric machine 23 are operated together in a speed changing mode.

The utility model provides a pair of double entry power transmission and electric motor car can implement two grades of multiple power combinations that directly drive, the acceleration rate subtracts the square, slows down and increases the square. The utility model also provides an electric vehicle, including the electric motor car main part, still include electric motor car power assembly device, electric motor car power assembly device is as above an arbitrary embodiment a double entry power transmission and electric motor car.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects. The present invention has various motion modes, which are only described as some examples and are not intended to limit all the operation modes of the present invention.

Claims (10)

1. A dual power transmission, comprising: the first planetary transmission synthesis and the second planetary transmission synthesis, the engine, the double clutch and the differential mechanism;

the first planetary transmission synthesis comprises a first central wheel, a first planetary wheel, a first planet carrier, a first gear ring and a first output shaft, and comprises a first stator, a first rotor and a first rotor shaft of a first motor; the first stator is arranged on the inner wall of the outer shell, the first rotor is rotatably arranged in the first stator inner bore, the right end of the hollow necking of the first rotor shaft is connected with the first rotor body, the first central wheel is concentrically sleeved at the left end of the hollow necking of the first rotor shaft, the first gear ring is fixedly arranged on the inner wall of the outer shell, the first planet wheel is mutually meshed with the outer teeth of the first central wheel and the inner teeth of the first gear ring, and the first planet carrier is connected with the first planet wheel and fixedly sleeved at the right end of the first output shaft;

the second planetary transmission synthesis comprises a second motor, a second stator, a second rotor shaft, a second central wheel, a second planet carrier, a second gear ring and a second output shaft; the second planet carrier is fixedly sleeved at the right port of the second rotor shaft, the second rotor shaft is hollow and concentrically and fixedly arranged in a central inner hole of the second rotor, the second rotor is rotatably arranged in an inner bore of the second stator, the second stator is arranged on the inner wall of the inner shell, the inner shell is arranged in the first rotor cavity, the second central wheel is arranged at the right end of the second output shaft, the second gear ring is fixedly arranged on the inner wall of the outer shell, and the second planet wheel is meshed with the outer teeth of the second central wheel and the inner teeth of the second gear ring;

the engine is connected with the right end of the second output shaft through a third clutch, and the engine, the first motor and the second motor are configured at different rotating speeds and torques;

the double clutch comprises a first flywheel, a first clutch, a second flywheel, a second clutch and a third output shaft, the first flywheel is sleeved on a left port of the first output shaft, the second flywheel is sleeved on a left port of the second output shaft, the second output shaft penetrates through the first output shaft, the first rotor shaft and the second rotor shaft which are tubular and hollow from left to right, the first clutch and the second clutch are sequentially sleeved on the right end of the third output shaft, and the left end of the third output shaft is connected with a differential mechanism; the method is characterized by also comprising the steps of arranging a synchronizer and a clutch on the first rotor shaft, the second rotor shaft, the first output shaft and the second output shaft; multiple planetary transmissions may be provided.

2. A dual power transmission as defined in claim 1, including said differential, connected to the axle shafts of the vehicle.

3. A dual power transmission as claimed in claim 1, wherein the power plant includes a housing support plate and a bearing.

4. A compound power transmission as claimed in claim 1, wherein the power means is an inner rotor motor or an outer rotor motor.

5. A dual power transmission as defined in claim 1, wherein the first planetary transmission combination has a different gear ratio than the second planetary transmission combination.

6. A compound power transmission as defined in claim 1, wherein the first planetary transmission complex and the second planetary transmission complex are interchanged or replaced, and the synchronizers and clutches of the first planetary transmission complex and the second planetary transmission complex are interchanged or replaced and employed or not employed.

7. The compound power transmission device as claimed in claim 1, wherein the first motor and the second motor are driven independently or directly, the first motor is driven directly and is driven with the second motor in a variable speed common operation mode, the second motor is driven directly and is driven with the first motor in a speed reduction and torque increase common operation mode, the first motor and the second motor are driven independently or in a variable speed common operation mode, the first motor is driven in a speed reduction and torque increase common operation mode, and the first motor or the second motor is driven independently or in a common energy recovery three operation modes.

8. The dual power transmission of claim 7, wherein the engine direct drive mode, the engine direct drive with the first electric machine mode of operation, the engine direct drive with the second electric machine mode of operation, the engine direct drive with the first electric machine and the second electric machine mode of operation, the engine direct drive with the first electric machine mode of operation, the engine direct drive with the second electric machine mode of operation, the engine direct drive with the first electric machine mode of operation, and the engine direct drive with the first electric machine mode of operation and the second electric machine mode of operation.

9. The dual power transmission of claim 7, wherein said engine operates in a power generating mode with said second electric machine, and said engine operates in a single direct drive mode.

10. An electric vehicle, comprising: a speed change device; a dual power transmission as claimed in any one of claims 7 to 9 in driving connection with an electric vehicle.

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