Drive assembly and vehicle having same

Abstract

A drive assembly (100) and a vehicle having same. The drive assembly (100) comprises: a first motor (10) and a first wheel (12), the first motor (10) being selectively connected to the first wheel (12); a second motor (20) and a second wheel (22), the second motor (20) being connected to the second wheel (22); and an engine (50), the engine (50) being selectively connected to the first motor (10), and the engine (50) being selectively connected to at least one of the first wheel (12) and the second wheel (22), wherein the first wheel (12) and the second wheel (22) are front axle wheels or rear axle wheels.

Description

Drive assembly and vehicle having the same

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS

[0002] This application is based on the Chinese patent application with application number 2024103960355 and application date March 29, 2024, and claims the priority of the Chinese patent application. The entire content of the Chinese patent application is hereby introduced into this application as a reference. Technical Field

[0003] The present application relates to the field of vehicle technology, and in particular to a drive assembly and a vehicle having the same. Background Art

[0004] There are more and more hybrid vehicle models on the market. Among them, the use of the rotation of the engine output in the hybrid drive assembly to generate electricity to optimize the vehicle's driving state is gradually being used in the industry. In related technologies, a separate generator is set up to cooperate with the engine to generate electricity, which has a high production cost.

[0005] Application Contents

[0006] The present application aims to solve at least one of the above-mentioned technical problems in the related art to a certain extent.

[0007] In view of this, the present application needs to provide a drive assembly that can reduce the production cost of the vehicle and achieve differentiated power output of the vehicle.

[0008] The present application also provides a vehicle, which includes the above-mentioned drive assembly.

[0009] The drive assembly provided according to the present application includes: a first motor and a first wheel, the first motor being connected to the first wheel; a second motor and a second wheel, the second motor being connected to the second wheel; an engine, the engine being selectively connected to the first motor, and the engine being selectively connected to at least one of the first wheel and the second wheel, wherein the first wheel and the second wheel are front axle wheels or rear axle wheels.

[0010] According to the drive assembly of the embodiment of the present application, on the one hand, the first motor can generate electricity when connected to the engine, thereby eliminating the need to set up a generator and reducing production costs. On the other hand, differentiated power output can be achieved, thereby meeting more user needs and improving the user experience.

[0011] In addition, the drive assembly according to the above embodiment of the present application may also have the following additional technical features:

[0012] According to an example of the present application, a first clutch is connected between the output shaft of the first motor and the engine.

[0013] According to an example of the present application, the first motor can be selectively connected to the first wheel.

[0014] According to an example of the present application, the drive assembly further includes: a second clutch connected between the first wheel and the first motor.

[0015] According to an example of the present application, the drive assembly further includes a second clutch connected between the engine and the first wheel.

[0016] According to an example of the present application, the second clutch is connected to an end of the first clutch away from the engine, and the first clutch and the second clutch are coaxially connected.

[0017] According to an example of the present application, a first speed gear set is connected between the first motor and the engine, the first clutch is connected between the first speed gear set and the engine, and the second clutch is connected between the first speed gear set and the first wheel.

[0018] According to an example of the present application, the drive assembly also includes: a first transmission shaft, the first transmission shaft is connected between the first wheel and the first motor; a second transmission shaft, the second transmission shaft is connected between the second wheel and the second motor; and a third clutch, the third clutch is connected between the first transmission shaft and the second transmission shaft.

[0019] According to an example of the present application, the drive assembly further includes: a differential, which is connected between the second clutch and the first drive shaft, and the drive assembly includes a locking mechanism, which has a locked state and an unlocked state. In the locked state, the differential housing is fixedly connected to the first drive shaft; in the unlocked state, the first motor and / or the engine can drive the first drive shaft and the second drive shaft through the differential.

[0020] According to an example of the present application, the engine and the differential are arranged with an interval in the left-right direction of the vehicle.

[0021] According to an example of the present application, the second clutch and the differential are connected via a second speed gear set, and the second motor and the second transmission shaft are connected via a third speed gear set.

[0022] According to an example of the present application, the drive assembly also includes: a third motor and a third wheel, the third motor and the third wheel are connected; a fourth motor and a fourth wheel, the fourth motor and the fourth wheel are connected; the first motor is electrically connected to at least one of the second motor, the third motor and the fourth motor, respectively, and the first motor is configured to supply power to the second motor, the third motor and the fourth motor.

[0023] According to an example of the present application, the drive assembly also includes: a third transmission shaft, which is connected between the third motor and the third wheel, and a fourth speed gear set is connected between the third motor and the third transmission shaft; and a fourth transmission shaft, which is connected between the fourth motor and the fourth wheel, and a fifth speed gear set is connected between the fourth motor and the fourth transmission shaft.

[0024] According to an example of the present application, the drive assembly further includes: a battery, which is electrically connected to the first motor, the second motor, the third motor and the fourth motor, and the battery is configured to supply power to the first motor, the second motor, the third motor and the fourth motor.

[0025] According to an example of the present application, the first wheel and the second wheel are front axle wheels, and the drive assembly has an EV single-motor front-wheel drive mode. In the EV single-motor front-wheel drive mode, the first drive shaft and the second drive shaft are connected, and the first motor drives the first drive shaft and the second drive shaft to rotate to drive the first wheel and the second wheel.

[0026] According to an example of the present application, the drive assembly has an EV three-motor four-wheel drive mode. In the EV three-motor four-wheel drive mode, the first drive shaft and the second drive shaft are connected, the first motor drives the first drive shaft and the second drive shaft to rotate to drive the first wheel and the second wheel, the third motor drives the third wheel through the third drive shaft, and the fourth motor drives the fourth wheel through the fourth drive shaft.

[0027] According to an example of the present application, the first wheel and the second wheel are front axle wheels, and the drive assembly has an HEV series rear-wheel drive mode. In the HEV series rear-wheel drive mode, the engine is connected to the first motor to drive the first motor to generate electricity, and the first motor is connected to the third motor and the fourth motor to supply power to the third motor and the fourth motor.

[0028] According to an example of the present application, the first wheel and the second wheel are front axle wheels, and the drive assembly has an HEV parallel front-wheel drive mode. In the HEV parallel front-wheel drive mode, the first drive shaft and the second drive shaft are connected, and the engine drives the first drive shaft and the second drive shaft to rotate to drive the first wheel and the second wheel, and the engine is connected to the first motor to drive the first motor to generate electricity, or the first motor drives the first drive shaft and the second drive shaft to rotate.

[0029] According to an example of the present application, the drive assembly has an HEV parallel four-wheel drive mode. In the HEV parallel four-wheel drive mode, the engine drives the first transmission shaft and the second transmission shaft to rotate to drive the first wheel and the second wheel, the third motor drives the third wheel through the third transmission shaft, and the fourth motor drives the fourth wheel through the fourth transmission shaft.

[0030] According to an example of the present application, the first wheel and the second wheel are front axle wheels, and the drive assembly has an emergency front-wheel drive mode. In the emergency front-wheel drive mode, the first drive shaft and the second drive shaft are connected, and the second motor drives the first drive shaft and the second drive shaft to rotate to drive the first wheel and the second wheel.

[0031] The vehicle provided according to the present application includes the drive assembly of the above embodiment.

[0032] According to the vehicle of the embodiment of the present application, by providing the drive assembly of the above embodiment, it can meet more user usage needs and reduce production costs.

[0033] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become obvious from the description below, or will be learned through practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] FIG1 is a schematic diagram of a drive assembly according to an embodiment of the present application.

[0035] Figure numerals: 100, drive assembly; 10, first motor; 11, first transmission shaft; 12, first wheel; 13, first speed gear set; 20, second motor; 21, second transmission shaft; 22, second wheel; 23, third speed gear set; 30, third motor; 31, third transmission shaft; 32, third wheel; 33, fourth speed gear set; 40, fourth motor; 41, fourth transmission shaft; 42, fourth wheel; 43, fifth speed gear set; 50, engine; 60, battery; 70, first clutch; 71, second clutch; 72, third clutch; 80, differential; 81, locking structure; 82, second speed gear set. DETAILED DESCRIPTION

[0036] The following describes in detail embodiments of the present application, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present application, and should not be construed as limiting the present application.

[0037] The disclosure below provides many different embodiments or examples for realizing different structures of the present application. In order to simplify the disclosure of the present application, the components and settings of specific examples are described below. Of course, they are merely examples and are not intended to limit the present application. In addition, the present application may repeat reference numbers and / or letters in different examples. This repetition is for the purpose of simplicity and clarity and does not in itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the present application provides examples of various specific processes and materials, but those of ordinary skill in the art will appreciate the applicability of other processes and / or the use of other materials.

[0038] The drive assembly 100 according to the first embodiment of the present application will be described in detail below with reference to FIG. 1 .

[0039] As shown in FIG1 , a drive assembly 100 according to an embodiment of the first aspect of the present application includes: a first motor 10 , a first wheel 12 , a second motor 20 , a second wheel 22 and an engine 50 .

[0040] Specifically, the first motor 10 is connected to the first wheel 12, the second motor 20 is connected to the second wheel 22, the engine 50 can be selectively connected to the first motor 10, and the engine 50 can be selectively connected to at least one of the first wheel 12 and the second wheel 22, wherein the first wheel 12 and the second wheel 22 are front axle wheels or rear axle wheels.

[0041] That is, the engine 50 may be connected to one of the first wheel 12 and the second wheel 22 , or the engine 50 may be connected to both the first wheel 12 and the second wheel 22 .

[0042] When the engine 50 is connected to the first motor 10, the engine 50 can drive the rotor of the first motor 10 to rotate. It is understood by those skilled in the art that during the process of the engine 50 driving the rotor of the first motor 10 to rotate, magnetic flux lines cut within the first motor 10, thereby enabling the first motor 10 to generate electricity. Thus, the first motor 10 can charge the battery 60. The first motor 10 can also be electrically connected to the second motor 20 to drive the second motor 20. This eliminates the need for a separate generator, thereby reducing vehicle production costs.

[0043] During the driving of the vehicle, the engine 50 can drive one of the first wheel 12 and the second wheel 22 to rotate independently, or the engine 50 can drive the first wheel 12 and the second wheel 22 to rotate. The first motor 10 can drive the first wheel 12 to rotate, and the second motor 20 can drive the second wheel 22 to rotate. In this way, during the driving of the vehicle, differentiated power output of the vehicle can be achieved, and users can choose different power output modes according to different usage conditions, thereby meeting more user usage needs.

[0044] During the product design process, the type and parameters of the engine 50 or the types and parameters of the first motor 10 and the second motor 20 can be adjusted to meet more product design requirements.

[0045] According to the drive assembly 100 of the first embodiment of the present application, on the one hand, the first motor 10 can generate electricity when connected to the engine 50, thereby eliminating the need to set up a generator and reducing production costs. On the other hand, differentiated power output can be achieved, thereby meeting more user needs and improving the user experience.

[0046] In some embodiments of the present application, as shown in FIG1 , a first clutch 70 is connected between the output shaft of the first motor 10 and the engine 50. By providing the first clutch 70, the first clutch 70 can control the disconnection between the engine 50 and the first motor 10, thereby enabling the drive assembly 100 to have a variety of power output states. During vehicle operation, the user or the vehicle's control system can adjust the connection state between the engine 50 and the first motor 10 as needed, further enhancing the user experience. During product design, the model or parameters of the first clutch 70 can be adjusted to meet more product design requirements.

[0047] In some embodiments of the present application, as shown in FIG1 , the first motor 10 is selectively connected to the first wheel 12. During vehicle operation, the user or the vehicle control system can adjust the connection between the first wheel 12 and the first motor 10 as needed, thereby further enhancing the user experience.

[0048] In some embodiments of the present application, as shown in FIG1 , the drive assembly 100 further includes a second clutch 71 connected between the first wheel 12 and the first motor 10 . By providing the second clutch 71 , the second clutch 71 can control the disconnection between the first wheel 12 and the first motor 10 , thereby enabling the drive assembly 100 to have a variety of power output states. During vehicle operation, the user or the vehicle's control system can adjust the connection between the first wheel 12 and the first motor 10 as needed, further enhancing the user experience. During product design, the model or parameters of the second clutch 71 can be adjusted to meet more product design requirements.

[0049] In some embodiments of the present application, as shown in FIG1 , the drive assembly 100 further includes a second clutch 71 , which is connected between the engine 50 and the first wheel 12 . By providing the second clutch 71 , the second clutch 71 can control the disconnection between the engine 50 and the first wheel 12 , thereby enabling the drive assembly 100 to have a variety of power output states. During vehicle operation, the user or the vehicle's control system can adjust the connection state between the engine 50 and the first wheel 12 as needed, further enhancing the user experience. During product design, the model or parameters of the second clutch 71 can be adjusted to meet various product design requirements.

[0050] In some embodiments of the present application, the second clutch 71 is connected to the end of the first clutch 70 away from the engine 50. This allows for more space for the engine 50 and the first motor 10, and allows the weight of the engine 50 and the first motor 10 to be more evenly distributed in the vehicle, thereby improving the uniformity of the vehicle's gravity distribution.

[0051] The first clutch 70 and the second clutch 71 are coaxially connected. This saves layout space and reduces the number of components, facilitating the placement of the drive assembly 100 on the vehicle and lowering production costs. The first clutch 70 and the second clutch 71 connect between the engine 50 and the first wheel 12. When the first clutch 70 and the second clutch 71 are simultaneously closed, the engine 50 is connected to the first wheel 12.

[0052] In some embodiments of the present application, as shown in FIG1 , a first speed-change gear set 13 is connected between the first motor 10 and the engine 50, a first clutch 70 is connected between the first speed-change gear set 13 and the engine 50, and a second clutch 71 is connected between the first speed-change gear set 13 and the first wheel 12. By providing the first speed-change gear set 13, when the first clutch 70 is closed to connect the engine 50 to the first motor 10, the first speed-change gear set 13 can adjust the speed ratio between the engine 50 and the first motor 10, thereby adapting the power generated by the first motor 10 to the vehicle's operating conditions. During product design, the size, number of gears, or transmission ratios of the first speed-change gear set 13 can be adjusted to meet various product design requirements.

[0053] In some embodiments of the present application, as shown in Figure 1, the drive assembly 100 also includes: a first transmission shaft 11, a second transmission shaft 21 and a third clutch 72, the first transmission shaft 11 is connected between the first wheel 12 and the first motor 10, the second transmission shaft 21 is connected between the second wheel 22 and the second motor 20, and the third clutch 72 is connected between the first transmission shaft 11 and the second transmission shaft 21.

[0054] The first transmission shaft 11 supports the first wheel 12, and the second transmission shaft 21 supports the second wheel 22. The first transmission shaft 11 connects the first wheel 12 and the first motor 10, and the second transmission shaft 21 connects the second wheel 22 and the second motor 20, facilitating the placement of the first and second motors 10 and 20 on the vehicle. The third clutch 72 controls the disconnection between the first and second transmission shafts 11 and 21. When the third clutch 72 is engaged, transmission between the first and second transmission shafts 11 and 21 is enabled. This allows the first and second motors 10 and 20, respectively, and the engine 50 to drive the first and second wheels 12 and 22, providing the drive assembly 100 with a variety of power output states. During vehicle operation, the user or the vehicle's control system can adjust the disconnection between the first and second transmission shafts 11 and 21 as needed, thereby meeting various user needs and further enhancing the user experience. The model or parameters of the third clutch 72 can be adjusted during product design to meet various design requirements.

[0055] In some embodiments of the present application, as shown in FIG1 , the drive assembly 100 further includes a differential 80 connected between the second clutch 71 and the first transmission shaft 11 . The drive assembly 100 also includes a locking mechanism having a locked state and an unlocked state. In the locked state, the housing of the differential 80 is fixedly connected to the first transmission shaft 11 . In this state, the differential 80 no longer performs differential power distribution and directly outputs the power input to the differential 80 . During the product design process, the model or parameters of the differential 80 can be adjusted to meet more product design requirements.

[0056] In the unlocked state, the first motor 10 and / or the engine 50 can drive the first transmission shaft 11 and the second transmission shaft 21 through the differential 80. That is, the first motor 10 can drive the first transmission shaft 11 and the second transmission shaft 21 through the differential 80, or the engine 50 can drive the first transmission shaft 11 and the second transmission shaft 21 through the differential 80, or the first motor 10 and the engine 50 can drive the first transmission shaft 11 and the second transmission shaft 21 through the differential 80. In the unlocked state, the differential 80 can perform differential power distribution on the power input to the differential 80.

[0057] As a result, the drive assembly 100 can have more power output modes. During the driving process of the vehicle, the user or the vehicle's control system can adjust the working state of the differential 80 to meet more user needs and further enhance the user's experience.

[0058] In some embodiments of the present application, the engine 50 and the differential 80 are spaced apart in the left-right direction of the vehicle. Those skilled in the art will appreciate that, in conventional fuel-powered vehicles, the engine 50 and the differential 80 are spaced apart in the left-right direction of the vehicle. This allows the production line for vehicles equipped with the drive assembly 100 of this embodiment to require fewer modifications than that of conventional fuel-powered vehicles, thereby further reducing vehicle production costs.

[0059] In some embodiments of the present application, as shown in FIG1 , the second clutch 71 is connected to the differential 80 via a second speed-change gear set 82 . Thus, the second speed-change gear set 82 can be connected between the differential 80 and the first motor 10 and the engine 50 . The second speed-change gear set 82 can adjust the transmission ratio between the first motor 10 and the engine 50 and the differential 80 , thereby adapting the drive of the differential 80 by the first motor 10 and / or the engine 50 to the operating conditions. This eliminates the need for separate speed-change gear sets between the differential 80 and the first motor 10 and between the differential 80 and the engine 50, further reducing vehicle production costs. During product design, the size, number of gears, or transmission ratios of the second speed-change gear set 82 can be adjusted to meet various product design requirements.

[0060] The second motor 20 is connected to the second transmission shaft 21 via a third speed-change gear set 23. This third speed-change gear set 23 adjusts the transmission ratio between the second motor 20 and the second transmission shaft 21, thereby tailoring the drive of the second motor 20 to the operating conditions. During product design, the size, number of gears, or transmission ratios of the third speed-change gear set 23 can be adjusted to meet various product design requirements.

[0061] In some embodiments of the present application, a transition gear set is further provided between the second clutch 71 and the differential 80. In this way, during product design, the connection between the first clutch 70 and the differential 80 can be more easily achieved through the transition gear set, thereby reducing the difficulty of product design.

[0062] In some embodiments of the present application, a reversing gear set is further provided between the second clutch 71 and the differential 80. By providing the reversing gear set, the reversing gear set can change the direction of rotation of the engine 50 and the first motor 10 transmitted to the differential 80, thereby meeting more user needs and further improving the user experience.

[0063] In some embodiments of the present application, as shown in FIG. 1 , the drive assembly 100 further includes: a third motor 30 , a third wheel 32 , a fourth motor 40 and a fourth wheel 42 .

[0064] The third motor 30 is connected to the third wheel 32, the fourth motor 40 is connected to the fourth wheel 42, the first motor 10 is electrically connected to at least one of the second motor 20, the third motor 30 and the fourth motor 40, respectively, and the first motor 10 is configured to supply power to the second motor 20, the third motor 30 and the fourth motor 40.

[0065] That is to say, the first motor can be electrically connected to one of the second motor 20, the third motor 30 and the fourth motor 40, or the first motor can be electrically connected to two of the second motor 20, the third motor 30 and the fourth motor 40, or the first motor can be electrically connected to all of the second motor 20, the third motor 30 and the fourth motor 40.

[0066] Thus, during vehicle operation, the engine 50 can drive the first motor 10 to generate electricity as needed, and the first motor 10 can supply power to the second motor 20, the third motor 30, and the fourth motor 40, thereby increasing the drive current in the second motor 20, the third motor 30, and the fourth motor 40, and thus increasing the driving force of the second motor 20, the third motor 30, and the fourth motor 40. During vehicle operation, the user or the vehicle control system can monitor the electrical connection status between the first motor 10 and the second motor 20, the third motor 30, and the fourth motor 40, thereby meeting more user needs and further improving the user experience.

[0067] In some embodiments of the present application, as shown in FIG1 , the drive assembly 100 further includes a third transmission shaft 31 and a fourth transmission shaft 41. The third transmission shaft 31 is connected between the third motor 30 and the third wheel 32, and a fourth speed-change gear set 33 is connected between the third motor 30 and the third transmission shaft 31. The fourth transmission shaft 41 is connected between the fourth motor 40 and the fourth wheel 42, and a fifth speed-change gear set 43 is connected between the fourth motor 40 and the fourth transmission shaft 41. The third transmission shaft 31 can provide support for the third wheel 32, and the fourth transmission shaft 41 can provide support for the fourth wheel 42.

[0068] The third transmission shaft 31 is connected between the third motor 30 and the third wheel 32 , and the fourth transmission shaft 41 is connected between the fourth motor 40 and the fourth wheel 42 , so that the third motor 30 and the fourth motor 40 can be arranged on the vehicle easily.

[0069] The fourth-speed gear set 33 adjusts the transmission ratio between the third motor 30 and the third transmission shaft 31, thereby tailoring the drive of the third transmission shaft 31 by the third motor 30 to the operating conditions. During product design, the size, number of gears, or transmission ratios of the fourth-speed gear set 33 can be adjusted to meet various product design requirements.

[0070] The fifth-speed gear set 43 adjusts the transmission ratio between the fourth motor 40 and the fourth transmission shaft 41, thereby adapting the drive of the fourth transmission shaft 41 by the fourth motor 40 to the operating conditions. During product design, the size, number of gears, or transmission ratios of the fifth-speed gear set 43 can be adjusted to meet various product design requirements.

[0071] In some embodiments of the present application, the drive assembly 100 also includes: a battery 60, which is electrically connected to the first motor 10, the second motor 20, the third motor 30 and the fourth motor 40, and the battery 60 is configured to supply power to the first motor 10, the second motor 20, the third motor 30 and the fourth motor 40.

[0072] During the driving of the vehicle, the engine 50 can drive one of the first wheel 12 and the second wheel 22 to rotate alone, and the engine 50 can also drive the first wheel 12 and the second wheel 22 to rotate. When the battery 60 powers the first motor 10, the second motor 20, the third motor 30 and the fourth motor 40, the first motor 10 can drive the first wheel 12 to rotate, the second motor 20 can drive the second wheel 22 to rotate, the third motor 30 can drive the third wheel 32 to rotate, and the fourth motor 40 can drive the fourth wheel 42 to rotate.

[0073] In this way, during vehicle travel, the wheels can be driven by the engine 50, by the motor, or by both. When the motors drive the wheels, all four motors can drive the wheels simultaneously, or some of the four motors can drive the wheels. Thus, the drive assembly 100 can achieve differentiated power output, allowing users to select different power output modes based on different operating conditions, thereby meeting a wider range of user needs.

[0074] During the driving process of the vehicle, when the vehicle is driving on a downhill section or does not need driving force during driving, the vehicle can drive the rotors of the first motor 10, the second motor 20, the third motor 30 and the fourth motor 40 to rotate to charge the battery 60, thereby realizing energy recovery.

[0075] In some embodiments of the present application, the first wheel 12 and the second wheel 22 are front axle wheels, and the drive assembly 100 has an EV single-motor front-wheel drive mode. In the EV single-motor front-wheel drive mode, the first drive shaft 11 and the second drive shaft 21 are connected, and the first motor 10 drives the first drive shaft 11 and the second drive shaft 21 to rotate to drive the first wheel 12 and the second wheel 22. At this time, the first clutch 70 is in a disconnected state, the second clutch 71 and the third clutch 72 are in a coupled state, the differential 80 is in an unlocked state, the battery 60 supplies power to the first motor 10 to rotate the first motor 10, and the first motor 10 outputs power to the differential 80 through the second speed gear set 82. The differential 80 distributes the power to the first drive shaft 11 and the second drive shaft 21, so that the first drive shaft 11 and the second drive shaft 21 drive the first wheel 12 and the second wheel 22 to rotate, thereby realizing the rotation of the first wheel 12 and the second wheel 22 to drive the vehicle to move. When the vehicle turns, the differential 80 can distribute the power differentially to the first drive shaft 11 and the second drive shaft 21, so that the first wheel 12 and the second wheel 22 rotate differentially, thereby making the vehicle turning process smoother.

[0076] In some embodiments of the present application, the first wheel 12 and the second wheel 22 are front axle wheels, and the drive assembly 100 has an EV dual-motor front-wheel drive mode. In the EV dual-motor front-wheel drive mode, the first motor 10 drives the first wheel 12 via the first transmission shaft 11, and the second motor 20 drives the second wheel 22 via the second transmission shaft 21. At this time, the first clutch 70 and the third clutch 72 are disengaged, the second clutch 71 is engaged, and the differential 80 is locked. The battery 60 supplies power to the first motor 10 and the second motor 20. The first motor 10 outputs power to the differential 80 via the second speed-change gear set 82. The differential 80 transmits the power to the first transmission shaft 11, causing the first transmission shaft 11 to drive the first wheel 12 to rotate. The second motor 20 transmits power to the second transmission shaft 21 via the third speed-change gear set 23, causing the second transmission shaft 21 to drive the second wheel 22 to rotate. Thus, the first wheel 12 and the second wheel 22 rotate to drive the vehicle.

[0077] In some embodiments of the present application, the first wheel 12 and the second wheel 22 are front axle wheels, and the drive assembly 100 has an EV dual-motor rear-wheel drive mode. In the EV dual-motor rear-wheel drive mode, the third motor 30 drives the third wheel 32 via the third transmission shaft 31, and the fourth motor 40 drives the fourth wheel 42 via the fourth transmission shaft 41. At this time, the first clutch 70 and the second clutch 71 are in the disconnected state, and the battery 60 supplies power to the third motor 30 and the fourth motor 40. The third motor 30 transmits power to the third transmission shaft 31 via the fourth speed-change gear set 33, causing the third transmission shaft 31 to drive the third wheel 32 to rotate. The fourth motor 40 transmits power to the fourth transmission shaft 41 via the fifth speed-change gear set 43, causing the fourth transmission shaft 41 to drive the fourth wheel 42 to rotate. Thus, the third wheel 32 and the fourth wheel 42 rotate to drive the vehicle.

[0078] In some embodiments of the present application, the drive assembly 100 has an EV three-motor four-wheel drive mode. In the EV three-motor four-wheel drive mode, the first drive shaft 11 and the second drive shaft 21 are connected. The first motor 10 drives the first drive shaft 11 and the second drive shaft 21 to rotate to drive the first wheel 12 and the second wheel 22. The third motor 30 drives the third wheel 32 through the third drive shaft 31. The fourth motor 40 drives the fourth wheel 42 through the fourth drive shaft 41. At this time, the first clutch 70 is in a disengaged state, the second clutch 71 and the third clutch 72 are in a coupled state, the differential 80 is in an unlocked state, the battery 60 supplies power to the first motor 10, the third motor 30, and the fourth motor 40. The first motor 10 outputs power to the differential 80 through the second speed gear set 82. The differential 80 distributes the power to the first drive shaft 11 and the second drive shaft 21, so that the first drive shaft 11 and the second drive shaft 21 drive the first wheel 12 and the second wheel 22 to rotate. The third motor 30 distributes the power to the first motor 10 through the fourth speed gear set 33. The power is transmitted to the third transmission shaft 31 so that the third transmission shaft 31 drives the third wheel 32 to rotate, and the fourth motor 40 transmits power to the fourth transmission shaft 41 through the fifth speed gear set 43 so that the fourth transmission shaft 41 drives the fourth wheel 42 to rotate, thereby realizing the rotation of the first wheel 12, the second wheel 22, the third wheel 32 and the fourth wheel 42 to drive the vehicle to move. Among them, when the vehicle turns, the differential 80 distributes the power differentially to the first transmission shaft 11 and the second transmission shaft 21, so that the first wheel 12 and the second wheel 22 rotate differentially, thereby making the vehicle turn more smoothly.

[0079] In some embodiments of the present application, the drive assembly 100 has an EV four-motor four-wheel drive mode. In the EV four-motor four-wheel drive mode, the first motor 10 drives the first wheel 12 through the first transmission shaft 11, the second motor 20 drives the second wheel 22 through the second transmission shaft 21, the third motor 30 drives the third wheel 32 through the third transmission shaft 31, and the fourth motor 40 drives the fourth wheel 42 through the fourth transmission shaft 41. At this time, the first clutch 70 and the third clutch 72 are in the disengaged state, the second clutch 71 is in the engaged state, the differential 80 is in the locked state, and the battery 60 supplies power to the first motor 10, the second motor 20, the third motor 30, and the fourth motor 40. The first motor 10 outputs power to the differential 80 through the second speed gear set 82. The differential 80 transmits power to the first drive shaft 11, so that the first drive shaft 11 drives the first wheel 12 to rotate. The second motor 20 transmits power to the second drive shaft 21 through the third speed gear set 23, so that the second drive shaft 21 drives the second wheel 22 to rotate. The third motor 30 transmits power to the third drive shaft 31 through the fourth speed gear set 33, so that the third drive shaft 31 drives the third wheel 32 to rotate. The fourth motor 40 transmits power to the fourth drive shaft 41 through the fifth speed gear set 43, so that the fourth drive shaft 41 drives the fourth wheel 42 to rotate. In this way, the first wheel 12, the second wheel 22, the third wheel 32, and the fourth wheel 42 rotate to drive the vehicle.

[0080] In some embodiments of the present application, the first wheel 12 and the second wheel 22 are front axle wheels, and the drive assembly 100 has an HEV series rear-wheel drive mode. In the HEV series rear-wheel drive mode, the engine 50 is connected to the first motor 10 to drive the first motor 10 to generate electricity. The first motor 10 is connected to the third motor 30 and the fourth motor 40 to supply power to the third motor 30 and the fourth motor 40. At this time, the first clutch 70 is engaged, the second clutch 71 is disengaged, the battery 60 supplies power to the third motor 30 and the fourth motor 40, the engine 50 drives the first motor 10 to generate electricity and supplies power to the third motor 30 and the fourth motor 40, the third motor 30 transmits power to the third drive shaft 31 via the fourth speed gear set 33, causing the third drive shaft 31 to rotate the third wheel 32, and the fourth motor 40 transmits power to the fourth drive shaft 41 via the fifth speed gear set 43, causing the fourth drive shaft 41 to rotate the fourth wheel 42. Thus, the third wheel 32 and the fourth wheel 42 rotate and drive the vehicle. When the driving force of the third motor 30 and the fourth motor 40 is sufficient, the first motor 10 can charge the battery 60 .

[0081] In some embodiments of the present application, the first wheel 12 and the second wheel 22 are front axle wheels, and the drive assembly 100 has an HEV parallel front drive mode. In the HEV parallel front drive mode, the first drive shaft 11 and the second drive shaft 21 are connected, and the engine 50 drives the first drive shaft 11 and the second drive shaft 21 to rotate to drive the first wheel 12 and the second wheel 22, and the engine 50 is connected to the first motor 10 for driving the first motor 10 to generate electricity, or the first motor 10 drives the first drive shaft 11 and the second drive shaft 21 to rotate. At this time, the first clutch 70, the second clutch 71 and the third clutch 72 are in the engaged state, and the differential 80 is in the unlocked state. The engine 50 transmits power to the differential 80 through the second speed gear set 82. The differential 80 distributes the power to the first transmission shaft 11 and the second transmission shaft 21, so that the first transmission shaft 11 and the second transmission shaft 21 drive the first wheel 12 and the second wheel 22 to rotate. In this way, the first wheel 12 and the second wheel 22 rotate to drive the vehicle to move. When the power of the engine 50 is insufficient, the battery 60 supplies power to the first motor 10. The first motor 10 and the engine 50 together output power to the differential 80, thereby driving the first wheel 12 and the second wheel 22 to rotate. When the power of the engine 50 is excessive, the engine 50 simultaneously drives the first motor 10 to generate electricity and charge the battery 60. When the vehicle turns, the differential 80 differentially distributes the power to the first transmission shaft 11 and the second transmission shaft 21, so that the first wheel 12 and the second wheel 22 rotate at differential speeds, thereby making the vehicle turn more stable.

[0082] In some embodiments of the present application, the drive assembly 100 has an HEV parallel four-wheel drive mode. In the HEV parallel four-wheel drive mode, the engine 50 drives the first transmission shaft 11 and the second transmission shaft 21 to rotate to drive the first wheel 12 and the second wheel 22. The third motor 30 drives the third wheel 32 through the third transmission shaft 31, and the fourth motor 40 drives the fourth wheel 42 through the fourth transmission shaft 41. At this time, the first clutch 70, the second clutch 71 and the third clutch 72 are in the engaged state, the differential 80 is in the unlocked state, the battery 60 supplies power to the third motor 30 and the fourth motor 40, and the engine 50 transmits power to the differential 80 through the second speed gear set 82. The differential 80 distributes the power to the first drive shaft 11 and the second drive shaft 21, so that the first drive shaft 11 and the second drive shaft 21 drive the first wheel 12 and the second wheel 22 to rotate. The third motor 30 transmits power to the third drive shaft 31 through the fourth speed gear set 33, so that the third drive shaft 31 drives the third wheel 32 to rotate. The fourth motor 40 transmits power to the fourth drive shaft 41 through the fifth speed gear set 43, so that the fourth drive shaft 41 drives the fourth wheel 42 to rotate. In this way, the first wheel 12, the second wheel 22, the third wheel 32 and the fourth wheel 42 rotate to drive the vehicle to move.

[0083] In some embodiments of the present application, the first wheel 12 and the second wheel 22 are front axle wheels, and the drive assembly 100 has an emergency front-wheel drive mode. In this emergency front-wheel drive mode, the first transmission shaft 11 and the second transmission shaft 21 are connected, and the second motor 20 drives the first transmission shaft 11 and the second transmission shaft 21 to rotate, thereby driving the first wheel 12 and the second wheel 22. At this time, the first clutch 70 and the second clutch 71 are in a disengaged state, the third clutch 72 is in a engaged state, the differential 80 is in a locked state, and the battery 60 supplies power to the second motor 20. The second motor 20 transmits power to the second transmission shaft 21 and the first transmission shaft 11 through the third speed-change gear set 23, thereby enabling the first transmission shaft 11 and the second transmission shaft 21 to drive the first wheel 12 and the second wheel 22 to rotate, thereby achieving the first wheel 12 and the second wheel 22 rotating to drive the vehicle.

[0084] During user use, the user or the vehicle's control system can adjust the working mode of the drive assembly 100 according to actual conditions, thereby meeting more usage requirements and further improving the user experience.

[0085] The vehicle according to the second embodiment of the present application includes the drive assembly 100 according to the first embodiment of the present application.

[0086] The vehicle according to the second embodiment of the present application can meet more user needs and reduce production costs by providing the drive assembly 100 according to the first embodiment of the present application.

[0087] In the description of this application, it should be understood that the terms "center", "up", "down", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and 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. Therefore, they should not be understood as limitations on this application.

[0088] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. Throughout the description of this application, "plurality" means two or more, unless otherwise specifically defined.

[0089] In this application, unless otherwise expressly specified or limited, terms such as "mounted," "connected," "connect," and "fixed" should be interpreted broadly. For example, they may refer to fixed connection, detachable connection, or integration; they may refer to direct connection or indirect connection through an intermediate medium; they may refer to internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.

[0090] In this application, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0091] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and features of different embodiments or examples without contradiction.

[0092] Although the embodiments of the present application have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions, and variations may be made to the embodiments without departing from the principles and intent of the present application, and that the scope of the present application is defined by the claims and their equivalents.

Claims

1. A drive assembly, wherein: include: a first motor and a first wheel, wherein the first motor is connected to the first wheel; a second motor and a second wheel, wherein the second motor is connected to the second wheel; An engine is selectively connectable to the first motor, and the engine is selectively connectable to at least one of a first wheel and a second wheel, wherein the first wheel and the second wheel are front axle wheels or rear axle wheels.

2. The drive assembly according to claim 1, wherein: A first clutch is connected between the output shaft of the first motor and the engine.

3. The drive assembly according to claim 2, wherein: The first motor is selectively connectable to the first wheel.

4. The drive assembly according to claim 3, wherein: Also includes: A second clutch is connected between the first wheel and the first motor.

5. The drive assembly according to claim 3 or 4, wherein: Also included is a second clutch connected between the engine and the first wheel.

6. The drive assembly according to claim 5, wherein: The second clutch is connected to an end of the first clutch away from the engine, and the first clutch and the second clutch are coaxially connected.

7. The drive assembly according to claim 5, wherein: A first speed-change gear set is connected between the first motor and the engine, the first clutch is connected between the first speed-change gear set and the engine, and the second clutch is connected between the first speed-change gear set and the first wheel.

8. The drive assembly according to any one of claims 4 to 7, wherein: Also includes: a first transmission shaft connected between the first wheel and the first motor; a second transmission shaft connected between the second wheel and the second motor; A third clutch is connected between the first transmission shaft and the second transmission shaft.

9. The drive assembly according to claim 8, wherein: Also includes: a differential connected between the second clutch and the first transmission shaft, The drive assembly includes a locking mechanism, the locking mechanism having a locked state and an unlocked state, wherein in the locked state, the differential housing is fixedly connected to the first transmission shaft; In the unlocked state, the first motor and / or the engine can drive the first and second transmission shafts through the differential.

10. The drive assembly according to claim 9, wherein: The engine and the differential are arranged with an interval in the left-right direction of the vehicle.

11. The drive assembly according to claim 9, wherein: The second clutch and the differential are connected via a second speed gear set, and the second motor and the second transmission shaft are connected via a third speed gear set.

12. The drive assembly according to any one of claims 8 to 11, wherein: Also includes: a third motor and a third wheel, wherein the third motor and the third wheel are connected; a fourth motor and a fourth wheel, wherein the fourth motor and the fourth wheel are connected; The first motor is electrically connected to at least one of the second motor, the third motor, and the fourth motor, and the first motor is configured to supply power to the second motor, the third motor, and the fourth motor.

13. The drive assembly according to claim 12, wherein: Also includes: a third transmission shaft, the third transmission shaft being connected between the third motor and the third wheel, and a fourth speed-change gear set being connected between the third motor and the third transmission shaft; A fourth transmission shaft is connected between the fourth motor and the fourth wheel, and a fifth speed gear set is connected between the fourth motor and the fourth transmission shaft.

14. The drive assembly according to claim 13, wherein: Also includes: A battery is electrically connected to the first motor, the second motor, the third motor, and the fourth motor, and the battery is configured to supply power to the first motor, the second motor, the third motor, and the fourth motor.

15. The drive assembly according to claim 14, wherein: The first wheel and the second wheel are front axle wheels, and the drive assembly has an EV single-motor front-wheel drive mode. In the EV single-motor front-wheel drive mode, the first drive shaft and the second drive shaft are connected, and the first motor drives the first drive shaft and the second drive shaft to rotate to drive the first wheel and the second wheel.

16. The drive assembly according to claim 14, wherein: The drive assembly has an EV three-motor four-wheel drive mode. In the EV three-motor four-wheel drive mode, the first drive shaft and the second drive shaft are connected, the first motor drives the first drive shaft and the second drive shaft to rotate to drive the first wheel and the second wheel, the third motor drives the third wheel through the third drive shaft, and the fourth motor drives the fourth wheel through the fourth drive shaft.

17. The drive assembly according to claim 14, wherein: The first wheel and the second wheel are front axle wheels, and the drive assembly has an HEV series rear-wheel drive mode. In the HEV series rear-wheel drive mode, the engine is connected to the first motor to drive the first motor to generate electricity, and the first motor is connected to the third motor and the fourth motor to supply power to the third motor and the fourth motor.

18. The drive assembly of claim 14, wherein: The first wheel and the second wheel are front axle wheels, and the drive assembly has an HEV parallel front-wheel drive mode. In the HEV parallel front-wheel drive mode, the first drive shaft and the second drive shaft are connected, and the engine drives the first drive shaft and the second drive shaft to rotate to drive the first wheel and the second wheel, and the engine is connected to the first motor to drive the first motor to generate electricity, or the first motor drives the first drive shaft and the second drive shaft to rotate.

19. The drive assembly of claim 14, wherein: The drive assembly has an HEV parallel four-wheel drive mode. In the HEV parallel four-wheel drive mode, the engine drives the first transmission shaft and the second transmission shaft to rotate to drive the first wheel and the second wheel. The third motor drives the third wheel through the third transmission shaft, and the fourth motor drives the fourth wheel through the fourth transmission shaft.

20. The drive assembly of claim 14, wherein: The first wheel and the second wheel are front axle wheels, and the drive assembly has an emergency front-wheel drive mode. In the emergency front-wheel drive mode, the first drive shaft and the second drive shaft are connected, and the second motor drives the first drive shaft and the second drive shaft to rotate to drive the first wheel and the second wheel.

21. A vehicle, wherein Comprising a drive assembly according to any one of claims 1-20.

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