Transmission, powertrain, and vehicle

Abstract

The application provides a transmission, a power system and a vehicle; the transmission comprises an input shaft, a planetary assembly and a motor, the planetary assembly is connected with the input shaft; the motor comprises a rotor and a stator, the rotor is arranged on the planetary assembly; wherein the rotor can drive the input shaft to rotate, or the input shaft drives the rotor to rotate. By arranging the planetary assembly on the input shaft and arranging the rotor on the planetary assembly, compared with the mode that the motor is directly connected with the transmission, a certain range of speed ratio can be formed between the motor and the input shaft of the transmission, the input torque of the motor is increased and input to the input shaft, compared with the mode that the motor is directly connected with the transmission, and then the cost of the motor in the transmission can be greatly reduced; by adjusting the speed ratio through the planetary assembly, the rotating speed between the input shaft of the transmission and the motor can be adjusted, and when different motors are matched with different engines, the motor can be ensured to rotate in a more economic and efficient interval.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of transmission, in particular to a transmission, a power system and a vehicle. BACKGROUND

[0002] At present, in the related art, the transmission of the vehicle is directly connected with the low-speed motor, and the power is directly transmitted to the transmission through the driving of the motor. However, the connection mode of the low-speed motor and the transmission makes the cost of the motor higher. SUMMARY

[0003] The present application aims at least to solve one of the problems existing in the prior art or related art.

[0004] To this end, the first aspect of the present application provides a transmission.

[0005] The second aspect of the present application provides a power system.

[0006] The third aspect of the present application provides a vehicle.

[0007] Therefore, the first aspect of the present application provides a transmission, comprising: an input shaft, a planetary assembly and a motor, the planetary assembly being connected with the input shaft; the motor comprising a rotor and a stator, the rotor being arranged on the planetary assembly; wherein the rotor can drive the input shaft to rotate, or the input shaft drives the rotor to rotate.

[0008] In this technical solution, the transmission comprises an input shaft, a planetary assembly and a motor; the planetary assembly is connected with the input shaft; the motor comprises a rotor and a stator, the rotor being arranged on the planetary assembly, so that the rotor can rotate together with the planetary assembly; the rotor can drive the input shaft to rotate, or the input shaft drives the rotor to rotate; so that when the vehicle is driven by the motor or assisted by the motor, the rotor can drive the planetary assembly to rotate, and the motor can transmit power to the input shaft of the transmission through the planetary assembly to drive the vehicle. Secondly, when the vehicle is driven only by the engine, the input shaft can drive the planetary assembly to rotate, and then drive the rotor to rotate, so that the motor can enter the power generation mode. By arranging the planetary assembly on the input shaft and arranging the rotor on the planetary assembly, compared with the mode of directly connecting the motor with the transmission, a certain range of speed ratio can be formed between the motor and the input shaft of the transmission, and the input torque of the motor is increased and input to the input shaft, which can greatly reduce the cost of the motor in the transmission compared with the mode of directly connecting the motor with the transmission.

[0009] By adjusting the speed ratio through the planetary assembly, the rotational speed between the input shaft of the transmission and the motor can be adjusted, so that the motor can be ensured to rotate in a more economic efficiency range when different motors are matched with different engines.

[0010] Specifically, by connecting the planetary assembly with the input shaft of the transmission and setting the rotor of the motor on the planetary assembly, the motor can rotate in the high-efficiency speed range compared with the direct connection of the motor and the input shaft of the transmission, thereby improving the efficiency of the motor and saving the loss of electric energy.

[0011] Specifically, by connecting the planetary assembly with the input shaft of the transmission and setting the rotor of the motor on the planetary assembly, when the motor enters the power generation mode, the planetary assembly is set in such a way that the engine drives the input shaft to rotate, and the input shaft is accelerated through the planetary assembly, so that the motor can rotate in the high-efficiency speed range, and the motor enters the high-efficiency power generation mode.

[0012] Specifically, the planetary assembly is set, and the speed ratio of the planetary assembly is adjusted, so that the transmission can match different vehicle models to meet the torque demand of the motor of the vehicle.

[0013] In addition, the transmission in the above technical solution provided by the present application can further have the following additional technical features:

[0014] In one technical solution of the present application, the planetary assembly includes a sun gear, a planet carrier, a plurality of planet gears and a ring gear, the plurality of planet gears are arranged on the planet carrier and arranged along the circumference of the sun gear and engaged with the sun gear, and the ring gear is engaged with the plurality of planet gears.

[0015] In this technical solution, the planetary assembly includes a sun gear, a planet carrier, a plurality of planet gears and a ring gear, the plurality of planet gears are arranged on the planet carrier and arranged along the circumference of the sun gear and engaged with the sun gear, and the ring gear is engaged with the plurality of planet gears, thereby achieving the installation of the ring gear, and the different input and output modes of power can be achieved by setting the planetary assembly.

[0016] In one technical solution of the present application, the transmission further includes a housing, the housing has a first mounting cavity and a second mounting cavity, the stator is mounted in the first mounting cavity, and the input shaft extends from the first mounting cavity into the second mounting cavity.

[0017] In the technical scheme, the transmission further comprises a housing, the housing has a first mounting cavity and a second mounting cavity; the stator is mounted in the first mounting cavity, so that the stator can be fixedly mounted on the first mounting cavity of the housing; and the input shaft extends from the first mounting cavity into the second mounting cavity, so that the input shaft can be connected with other components of the transmission in the first mounting cavity and the second mounting cavity. By arranging the first mounting cavity and the second mounting cavity in the housing, the motor, the planetary assembly and other components of the transmission are arranged in one housing, so that the overall length of the transmission can be reduced, and a separate housing for the motor is not needed, thereby reducing the weight of the motor housing and achieving the purposes of reducing the length of the transmission and reducing the weight. In turn, the requirements of light weight and compactness of the vehicle can be met.

[0018] In one technical scheme of the present application, the rotor is connected with the gear ring, the planet carrier is connected with the input shaft, and the sun gear is connected with the housing.

[0019] In the technical scheme, the rotor is connected with the gear ring, the planet carrier is connected with the input shaft, and the sun gear is connected with the housing, so that the sun gear is fixed on the housing of the transmission, and the rotor is connected with the gear ring, so that when the motor rotates, the rotor drives the gear ring to rotate, the planet carrier is connected with the input shaft, so that power can be transmitted to the input shaft through the planet carrier, a certain range of speed ratio can be formed between the motor and the input shaft of the transmission, so that a high-speed motor with small power and high efficiency can be selected, and the input torque of the motor is increased and input to the input shaft through the planetary assembly.

[0020] At the same time, when generating electricity, the engine drives the input shaft to rotate, the input shaft can drive the planet carrier to rotate, the sun gear is fixed with the housing, and the gear ring can drive the rotor to rotate, so that the motor enters a high-efficiency power generation mode.

[0021] Specifically, the rotor is in interference fit with the gear ring.

[0022] Specifically, a spline is arranged on the rotor, and the rotor is sleeved on the gear ring.

[0023] In one technical scheme of the present application, the rotor is connected with the sun gear, the planet carrier is connected with the input shaft, and the gear ring is connected with the housing.

[0024] In the technical scheme, the rotor is connected with the sun gear, the planet carrier is connected with the input shaft, and the gear ring is connected with the housing, so that the gear ring is fixed on the housing of the transmission, and the rotor is connected with the sun gear, so that when the motor rotates, the rotor drives the sun gear to rotate, the planet carrier is connected with the input shaft, so that power can be transmitted to the input shaft through the planet carrier, a certain range of speed ratio can be formed between the motor and the input shaft of the transmission, so that a high-speed motor with small power and high efficiency can be selected, and the input torque of the motor is increased and input to the input shaft through the planetary assembly.

[0025] At the same time, when generating electricity, the engine drives the input shaft to rotate, the input shaft can drive the planet carrier to rotate, since the ring gear and the shell are fixed, the sun gear can drive the rotor to rotate, thus the motor enters the high-efficiency generating mode.

[0026] In one of the technical solutions of the present application, the rotor is connected with the sun gear, the ring gear is connected with the input shaft, and the planet carrier is connected with the shell.

[0027] In the technical solution, the rotor is connected with the sun gear, the ring gear is connected with the input shaft, and the planet carrier is connected with the shell. Further, the planet carrier is fixed on the shell of the transmission, and the rotor is connected with the sun gear, so that when the motor rotates, the rotor drives the sun gear to rotate, the ring gear is connected with the input shaft, and the power can be transmitted to the input shaft through the ring gear. A certain range of speed ratio can be formed between the motor and the input shaft of the transmission, so that a high-efficiency high-speed motor with smaller power can be selected. Through the planetary assembly, the input torque of the motor is increased and input to the input shaft.

[0028] At the same time, when generating electricity, the engine drives the input shaft to rotate, the input shaft can drive the ring gear to rotate, since the planet carrier and the shell are fixed, the sun gear can drive the rotor to rotate, thus the motor enters the high-efficiency generating mode.

[0029] In one of the technical solutions of the present application, the transmission further comprises an intermediate shaft, a first constant mesh gear, a second constant mesh gear, a transmission gear, a first output shaft and an output gear, the first constant mesh gear is sleeved on the input shaft; the second constant mesh gear is sleeved on the intermediate shaft and meshes with the first constant mesh gear; the transmission gear is sleeved on the intermediate shaft; the first output shaft is coaxially arranged with the input shaft; and the output gear is sleeved on the first output shaft and meshes with the transmission gear.

[0030] In the technical solution, the transmission further comprises an intermediate shaft, a first constant mesh gear, a second constant mesh gear, a transmission gear, a first output shaft and an output gear. By arranging the intermediate shaft and the first output shaft, the power transmitted by the motor is transmitted to the intermediate shaft through the input shaft. The first constant mesh gear is sleeved on the input shaft; the second constant mesh gear is sleeved on the intermediate shaft and meshes with the first constant mesh gear; the power is transmitted from the input shaft to the intermediate shaft under the action of the first constant mesh gear and the second constant mesh gear. The transmission gear is sleeved on the intermediate shaft; the first output shaft is coaxially arranged with the input shaft; and the transmission gear can rotate with the intermediate shaft when the intermediate shaft rotates. The output gear is sleeved on the first output shaft and meshes with the transmission gear, so that the output gear can rotate with the transmission gear, and the power is transmitted to the first output shaft.

[0031] Specifically, the intermediate shaft, the first constant mesh gear, the second constant mesh gear, the transmission gear, the first output shaft and the output gear are all arranged in the second mounting cavity.

[0032] The second aspect of the present application provides a power system comprising the transmission described above, so that the power system has all the beneficial effects of the transmission of any of the technical solutions.

[0033] In the technical solution, the transmission comprises an input shaft, a planetary assembly and a motor; the planetary assembly is connected with the input shaft; the motor comprises a rotor and a stator, the rotor is arranged on the planetary assembly so that the rotor can rotate together with the planetary assembly; the rotor can drive the input shaft to rotate, or the input shaft drives the rotor to rotate; so that when the vehicle is driven by the motor or the motor is used for auxiliary driving, the rotor can drive the planetary assembly to rotate, and then the motor can transmit power to the input shaft of the transmission through the planetary assembly to drive the vehicle, and secondly, when the vehicle is only driven by the engine, the input shaft can drive the planetary assembly to rotate, and then the rotor can be driven to rotate, so that the motor can enter the power generation mode. By arranging the planetary assembly on the input shaft and arranging the rotor on the planetary assembly, compared with the mode that the motor is directly connected with the transmission, a certain range of speed ratio can be formed between the motor and the input shaft of the transmission, the input torque of the motor is increased and input to the input shaft, and then the cost of the motor in the transmission can be greatly reduced.

[0034] In one technical solution of the present application, the power system comprises an engine and a clutch, the engine comprises a second output shaft, the second output shaft is connected with the input shaft; the clutch is arranged between the second output shaft and the input shaft and can control the second output shaft and the input shaft to be disconnected or connected.

[0035] In the technical solution, the power system comprises an engine and a clutch, the engine comprises a second output shaft, the second output shaft is connected with the input shaft, and then the engine can transmit power to the input shaft of the transmission for power output. The clutch is arranged between the second output shaft and the input shaft and can control the second output shaft and the input shaft to be disconnected or connected, and the conversion of power output is realized by arranging the clutch.

[0036] Specifically, the clutch controls the second output shaft and the input shaft to be connected, and power can be transmitted to the transmission by the operation of the engine.

[0037] Specifically, the clutch controls the second output shaft and the input shaft to be connected, and power can be transmitted to the transmission by the operation of the engine.

[0038] Specifically, the clutch controls the second output shaft to disconnect from the input shaft, allowing the engine to operate independently while the generator remains inactive, thus enabling the engine to provide power.

[0039] A third aspect of the present invention provides a vehicle including the above-described transmission or power system, thereby the vehicle possessing all the beneficial effects of the transmission and power system of any of the above-described technical solutions.

[0040] In this technical solution, the transmission includes an input shaft, a planetary assembly, and a motor. The planetary assembly is connected to the input shaft. The motor includes a rotor and a stator, with the rotor mounted on the planetary assembly so that it can rotate together with the planetary assembly. The rotor can drive the input shaft to rotate, or the input shaft can drive the rotor to rotate. When the vehicle is driven by the electric motor or assisted by the electric motor, the rotor can drive the planetary assembly to rotate, and the motor can then transmit power to the input shaft of the transmission through the planetary assembly to drive the vehicle. Secondly, when the vehicle is driven solely by the engine, the input shaft can drive the planetary assembly to rotate, which in turn drives the rotor to rotate, allowing the motor to enter generator mode. By mounting the planetary assembly on the input shaft and placing the rotor on it, compared to a direct connection between the motor and the transmission, a certain speed ratio can be established between the motor and the transmission input shaft. This increases the input torque of the motor, which is then input to the input shaft, thus significantly reducing the cost of the motor in the transmission.

[0041] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0042] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0043] Figure 1 One schematic diagram of a transmission according to an embodiment of the present invention is shown;

[0044] Figure 2 A second schematic diagram of a transmission according to an embodiment of the present invention is shown;

[0045] Figure 3 A third schematic diagram of a transmission according to an embodiment of the present invention is shown.

[0046] in, Figures 1 to 3 The correspondence between the reference numerals and component names in the attached drawings is as follows:

[0047] 100 transmission, 110 input shaft, 120 planetary assembly, 122 sun gear, 124 planet carrier, 126 planet gear, 128 ring gear, 130 motor, 132 stator, 134 rotor, 140 intermediate shaft, 150 first constantly meshing gear, 160 second constantly meshing gear, 170 drive gear, 180 first output shaft, 190 output gear. DETAILED DESCRIPTION

[0048] In order to enable a more clear understanding of the above-mentioned objects, features and advantages of the present application, the present application will be further described below with reference to the drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0049] In the following description, a lot of specific details are set forth in order to provide a thorough understanding of the present application, however, the present application can be practiced in other manners different from those described herein, therefore, the scope of protection of the present application is not limited by the specific embodiments disclosed below.

[0050] The following description refers to the accompanying drawings, which are meant to further clarify the present application. Figures 1 to 3 A transmission 100, a power system and a vehicle according to some embodiments of the present application are described.

[0051] As shown in Figure 1 and Figure 2 , the present application provides a transmission 100, comprising: an input shaft 110, a planetary assembly 120 and a motor 130, the planetary assembly 120 is connected with the input shaft 110; the motor 130 comprises a rotor 134 and a stator 132, the rotor 134 is arranged on the planetary assembly 120; wherein the rotor 134 can drive the input shaft 110 to rotate, or the input shaft 110 drives the rotor 134 to rotate.

[0052] In this embodiment, the transmission 100 comprises an input shaft 110, a planetary assembly 120 and an electric motor 130; the planetary assembly 120 is connected with the input shaft 110; the electric motor 130 comprises a rotor 134 and a stator 132, the rotor 134 is arranged on the planetary assembly 120, so that the rotor 134 can rotate with the planetary assembly 120; the rotor 134 can drive the input shaft 110 to rotate, or the input shaft 110 drives the rotor 134 to rotate; so that when the vehicle is driven by the electric motor or the electric motor is used for auxiliary driving, the rotor 134 can drive the planetary assembly 120 to rotate, and then the electric motor 130 can transmit power to the input shaft 110 of the transmission 100 through the planetary assembly 120 to drive the vehicle, and secondly, when the vehicle is only driven by the engine, the input shaft 110 can drive the planetary assembly 120 to rotate, and then the rotor 134 can be driven to rotate, so that the electric motor 130 can enter the power generation mode. By arranging the planetary assembly 120 on the input shaft 110 and arranging the rotor 134 on the planetary assembly 120, compared with the mode that the electric motor 130 is directly connected with the transmission 100, a certain range of speed ratio can be formed between the electric motor 130 and the input shaft 110 of the transmission 100, the input torque of the electric motor 130 is increased and input to the input shaft 110, and then the cost of the electric motor 130 in the transmission 100 can be greatly reduced.

[0053] By adjusting the speed ratio of the planetary assembly 120, the rotational speed between the transmission input shaft 110 and the electric motor 130 can be adjusted, so that the electric motor 130 can be ensured to rotate in a more economic efficiency interval when the different electric motors 130 match different engines.

[0054] Specifically, by arranging the planetary assembly 120 and adjusting the speed ratio of the planetary assembly 120, the transmission 100 can match different vehicle models to meet the torque demand of the vehicle on the electric motor 130.

[0055] Specifically, by connecting the planetary assembly 120 with the input shaft 110 of the transmission 100 and arranging the rotor 134 of the electric motor on the planetary assembly 120, compared with the mode that the electric motor 130 is directly connected with the input shaft 110 of the transmission 100, the electric motor 130 can rotate in a high-efficiency speed interval, so that the efficiency of the electric motor 130 can be improved and the loss of electric energy can be saved.

[0056] Specifically, by connecting the planetary assembly 120 with the input shaft 110 of the transmission 100 and arranging the rotor 134 of the electric motor on the planetary assembly 120, when the electric motor 130 enters the power generation mode, the mode of arranging the planetary assembly 120 makes the engine drive the input shaft 110 to rotate, and after the input shaft 110 is accelerated through the planetary assembly 120, the electric motor 130 can rotate in a high-efficiency speed interval, so that the electric motor 130 enters the high-efficiency power generation mode.

[0057] The embodiment provides a transmission 100, in addition to the technical features of the above embodiment, and further comprises the following technical features.

[0058] As shown in Figure 2 and Figure 3 The planetary assembly 120 comprises a sun gear 122, a planet carrier 124, a plurality of planet gears 126 and a ring gear 128. The plurality of planet gears 126 are arranged on the planet carrier 124 and are arranged in the circumferential direction of the sun gear 122 and are engaged with the sun gear 122. The ring gear 128 is engaged with the plurality of planet gears 126.

[0059] In the embodiment, the planetary assembly 120 comprises a sun gear 122, a planet carrier 124, a plurality of planet gears 126 and a ring gear 128. The plurality of planet gears 126 are arranged on the planet carrier 124 and are arranged in the circumferential direction of the sun gear 122 and are engaged with the sun gear 122. The installation of the plurality of planet gears 126 is realized. The ring gear 128 is engaged with the plurality of planet gears 126, and the installation of the ring gear 128 is realized. By arranging the planetary assembly 120, different input and output modes of power can be realized.

[0060] The embodiment provides a transmission 100, in addition to the technical features of the above embodiment, and further comprises the following technical features.

[0061] The transmission 100 further comprises a housing, and the housing has a first mounting cavity and a second mounting cavity. The stator 132 is mounted in the first mounting cavity, and the input shaft 110 extends from the first mounting cavity into the second mounting cavity.

[0062] In the embodiment, the transmission 100 further comprises a housing, and the housing has a first mounting cavity and a second mounting cavity. The stator 132 is mounted in the first mounting cavity, and the installation of the stator 132 is realized, so that the stator 132 can be fixedly mounted on the first mounting cavity of the housing. The input shaft 110 extends from the first mounting cavity into the second mounting cavity, so that the input shaft 110 can be connected with other components of the transmission 100 in the first mounting cavity and the second mounting cavity. By arranging the first mounting cavity and the second mounting cavity in the housing, the motor 130, the planetary assembly 120 and other components of the transmission 100 are arranged in one housing, so that the overall length of the transmission 100 can be reduced, and a separate housing for the motor 130 is not needed. Therefore, the weight of the motor 130 housing is reduced, and the length of the transmission 100 is shortened and the weight is reduced. The requirements of light weight and compactness of the vehicle can be met.

[0063] The embodiment provides a transmission 100, in addition to the technical features of the above embodiment, and further comprises the following technical features.

[0064] AsFigure 1 As shown, the rotor 134 is connected to the gear ring 128, the planet carrier 124 is connected to the input shaft 110, and the sun gear 122 is connected to the housing.

[0065] In this embodiment, the rotor 134 is connected to the ring gear 128, the planetary carrier 124 is connected to the input shaft 110, and the sun gear 122 is connected to the housing, thereby fixing the sun gear 122 to the housing of the transmission 100. The rotor 134 is connected to the ring gear 128 so that when the motor 130 rotates, the rotor 134 drives the ring gear 128 to rotate. The planetary carrier 124 is connected to the input shaft 110, and power can be transmitted to the input shaft 110 through the planetary carrier 124. A certain range of speed ratio can be formed between the motor 130 and the input shaft 110 of the transmission 100. This allows the selection of a high-efficiency high-speed motor 130 with lower power. After the input torque of the motor 130 is increased through the planetary assembly 120, it is input to the input shaft 110.

[0066] Simultaneously, during power generation, the engine drives the input shaft 110 to rotate, which in turn drives the planetary carrier 124 to rotate. Since the sun gear 122 is fixed to the housing, the gear ring 128 can drive the rotor 134 to rotate. Therefore, the motor 130 enters a high-efficiency power generation mode.

[0067] Specifically, the rotor 134 and the gear ring 128 are interference-fitted.

[0068] Specifically, a spline is provided on the rotor 134, and the rotor 134 is sleeved on the gear ring 128.

[0069] This embodiment provides a transmission 100, which, in addition to the technical features of the above embodiments, further includes the following technical features.

[0070] like Figure 3 As shown, the rotor 134 is connected to the sun gear 122, the planet carrier 124 is connected to the input shaft 110, and the gear ring 128 is connected to the housing.

[0071] In this embodiment, the rotor 134 is connected to the sun gear 122, the planetary carrier 124 is connected to the input shaft 110, and the gear ring 128 is connected to the housing, thereby fixing the gear ring 128 to the housing of the transmission 100. The rotor 134 is connected to the sun gear 122 so that when the motor 130 rotates, the rotor 134 drives the sun gear 122 to rotate. The planetary carrier 124 is connected to the input shaft 110, and power can be transmitted to the input shaft 110 through the planetary carrier 124. A certain range of speed ratio can be formed between the motor 130 and the input shaft 110 of the transmission 100. This allows the selection of a high-efficiency high-speed motor 130 with lower power. After the input torque of the motor 130 is increased through the planetary assembly 120, it is input to the input shaft 110.

[0072] Simultaneously, during power generation, the engine drives the input shaft 110 to rotate, which in turn drives the planetary carrier 124 to rotate. Since the gear ring 128 is fixed to the housing, the sun gear 122 can drive the rotor 134 to rotate. Therefore, the motor 130 enters a high-efficiency power generation mode.

[0073] This embodiment provides a transmission 100, which, in addition to the technical features of the above embodiments, further includes the following technical features.

[0074] like Figure 2 As shown, the rotor 134 is connected to the sun gear 122, the gear ring 128 is connected to the input shaft 110, and the planet carrier 124 is connected to the housing.

[0075] In this embodiment, the rotor 134 is connected to the sun gear 122, the ring gear 128 is connected to the input shaft 110, and the planetary carrier 124 is connected to the housing. The planetary carrier 124 is then fixed to the housing of the transmission 100, and the rotor 134 is connected to the sun gear 122, so that when the motor 130 rotates, the rotor 134 drives the sun gear 122 to rotate. The ring gear 128 is connected to the input shaft 110, and power can be transmitted to the input shaft 110 through the ring gear 128. A certain range of speed ratios can be formed between the motor 130 and the input shaft 110 of the transmission 100. This allows for the selection of a high-efficiency, low-power motor 130. Through the planetary assembly 120, the input torque of the motor 130 is increased and then input to the input shaft 110.

[0076] Simultaneously, during power generation, the engine drives the input shaft 110 to rotate, which in turn drives the gear ring 128 to rotate. Since the planetary carrier 124 is fixed to the housing, the sun gear 122 can drive the rotor 134 to rotate. Therefore, the motor 130 enters a high-efficiency power generation mode.

[0077] This embodiment provides a transmission 100, which, in addition to the technical features of the above embodiments, further includes the following technical features.

[0078] like Figure 1 As shown, the transmission 100 also includes an intermediate shaft 140, a first constant mesh gear 150, a second constant mesh gear 160, a transmission gear 170, a first output shaft 180, and an output gear 190. The first constant mesh gear 150 is sleeved on the input shaft 110; the second constant mesh gear 160 is sleeved on the intermediate shaft 140 and meshes with the first constant mesh gear 150; the transmission gear 170 is sleeved on the intermediate shaft 140; the first output shaft 180 is coaxially arranged with the input shaft 110; and the output gear 190 is sleeved on the first output shaft 180 and meshes with the transmission gear 170.

[0079] In this embodiment, the transmission 100 further comprises an intermediate shaft 140, a first constant mesh gear 150, a second constant mesh gear 160, a drive gear 170, a first output shaft 180 and an output gear 190. The intermediate shaft 140 and the first output shaft 180 are arranged such that the power transmitted by the motor 130 is transmitted to the intermediate shaft 140 through the input shaft 110. The first constant mesh gear 150 is sleeved on the input shaft 110; the second constant mesh gear 160 is sleeved on the intermediate shaft 140 and engaged with the first constant mesh gear 150; and the power is transmitted from the input shaft 110 to the intermediate shaft 140 under the action of the first constant mesh gear 150 and the second constant mesh gear 160. The drive gear 170 is sleeved on the intermediate shaft 140; the first output shaft 180 is coaxially arranged with the input shaft 110; and the drive gear 170 can rotate with the intermediate shaft 140 when the intermediate shaft 140 rotates. The output gear 190 is sleeved on the first output shaft 180 and engaged with the drive gear 170, so that the output gear 190 can rotate with the drive gear 170, and the power is transmitted to the first output shaft 180.

[0080] Specifically, the intermediate shaft 140, the first constant mesh gear 150, the second constant mesh gear 160, the drive gear 170, the first output shaft 180 and the output gear 190 are arranged in the second mounting cavity.

[0081] The power system provided in this embodiment comprises the transmission 100 described above, and therefore has all the beneficial effects of the transmission 100 in any of the embodiments described above.

[0082] In this embodiment, the transmission 100 comprises an input shaft 110, a planetary assembly 120 and a motor 130; the planetary assembly 120 is connected with the input shaft 110; the motor 130 comprises a rotor 134 and a stator 132, the rotor 134 is arranged on the planetary assembly 120, so that the rotor 134 can rotate with the planetary assembly 120; the rotor 134 can drive the input shaft 110 to rotate, or the input shaft 110 drives the rotor 134 to rotate; so that when the vehicle is driven by the motor or the motor is assisted to drive, the rotor 134 can drive the planetary assembly 120 to rotate, and then the motor 130 can transmit power to the input shaft 110 of the transmission 100 through the planetary assembly 120 to drive the vehicle, and secondly, when the vehicle is only driven by the engine, the input shaft 110 can drive the planetary assembly 120 to rotate, and then drive the rotor 134 to rotate, so that the motor 130 can enter the power generation mode. By arranging the planetary assembly 120 on the input shaft 110 and arranging the rotor 134 on the planetary assembly 120, compared with the mode that the motor 130 is directly connected with the transmission 100, a certain range of speed ratio can be formed between the motor 130 and the input shaft 110 of the transmission 100, and after the input torque of the motor 130 is increased, it is input to the input shaft 110, thereby greatly reducing the cost of the motor 130 in the transmission 100.

[0083] The embodiment provides a transmission 100, in addition to the technical features of the above-mentioned embodiment, the embodiment further comprises the following technical features.

[0084] The power system comprises an engine and a clutch, the engine comprises a second output shaft, the second output shaft is connected with the input shaft 110; the clutch is arranged between the second output shaft and the input shaft 110, and can control the second output shaft and the input shaft 110 to be disconnected or connected.

[0085] In this embodiment, the power system comprises an engine and a clutch, the engine comprises a second output shaft, the second output shaft is connected with the input shaft 110, and then the engine can transmit power to the input shaft 110 of the transmission 100 to output power. The clutch is arranged between the second output shaft and the input shaft 110, and can control the second output shaft and the input shaft 110 to be disconnected or connected, and the conversion of power output is realized by arranging the clutch.

[0086] Specifically, the clutch is arranged between the second output shaft and the input shaft 110, and can control the second output shaft and the input shaft 110 to be connected, and power can be transmitted to the transmission 100 by the operation of the engine.

[0087] Specifically, the second output shaft is connected with the input shaft 110, and the engine and the motor 130 can also work simultaneously to transmit power to the transmission 100, thereby realizing the output of hybrid power.

[0088] Specifically, the second output shaft is disconnected from the input shaft 110, so that the engine works alone, at this time the generator 130 does not act, to achieve the power provided by the engine.

[0089] The embodiment provides a vehicle comprising the above-mentioned transmission 100, or the above-mentioned power system, so that the vehicle has all the beneficial effects of the transmission 100 and the power system of any one of the above-mentioned embodiments.

[0090] In this embodiment, the transmission 100 comprises an input shaft 110, a planetary assembly 120 and a motor 130; the planetary assembly 120 is connected to the input shaft 110; the motor 130 comprises a rotor 134 and a stator 132, the rotor 134 is arranged on the planetary assembly 120, so that the rotor 134 can rotate with the planetary assembly 120; the rotor 134 can drive the input shaft 110 to rotate, or the input shaft 110 drives the rotor 134 to rotate; so that when the vehicle is driven by the motor or assisted by the motor, the rotor 134 can drive the planetary assembly 120 to rotate, and then the motor 130 can drive the vehicle by transmitting power to the input shaft 110 of the transmission 100 through the planetary assembly 120; secondly, when the vehicle is driven by the engine alone, the input shaft 110 can drive the planetary assembly 120 to rotate, and then drive the rotor 134 to rotate, so that the motor 130 can enter the power generation mode. By arranging the planetary assembly 120 on the input shaft 110 and arranging the rotor 134 on the planetary assembly 120, compared with the mode that the motor 130 is directly connected to the transmission 100, a certain range of speed ratio can be formed between the motor 130 and the input shaft 110 of the transmission 100, and the input torque of the motor 130 is increased and input to the input shaft 110, thereby greatly reducing the cost of the motor 130 in the transmission 100.

[0091] In the claims, the specification, and the drawings of the present application, the term "multiple" refers to two or more, unless otherwise explicitly limited, and the terms "upper", "lower", and the like indicate relative positions or orientation relationships based on the positions or orientation relationships shown in the drawings, and are only for the convenience of describing the present application and making the description process more simple, and are not intended to indicate or imply that the devices or elements referred to must have the specific orientation described, and therefore these descriptions cannot be understood as limitations on the present application; the terms "connection", "installation", "fixation" and the like should be understood broadly, for example, "connection" can be a fixed connection between multiple objects, or a detachable connection between multiple objects, or an integral connection; it can be a direct connection between multiple objects, or an indirect connection between multiple objects through an intermediate medium. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances of the above data.

[0092] In the claims, specification, and drawings of the present disclosure, terms have their plain, ordinary meaning unless otherwise indicated by the context of their use. The terms "comprise", "comprising", "include", "including", "have" and "having" are used interchangeably and mean "including but not limited to". It is further noted that the claims can be drafted to exclude any optional element. As such, these terms are to be read to disclaim any possibility of reciting only one of the claimed elements to the exclusion of any others.

[0093] The preferred embodiments of the application are described above in detail. The application may, however, be embodied in various ways without being limited to the embodiments described above, which can be changed and varied in various ways by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the application should be included in the scope of the protection of the application.

Claims

1. A transmission characterized by, The transmission comprises: an input shaft; a planetary assembly connected with the input shaft; a motor comprising a rotor and a stator, the rotor being arranged on the planetary assembly; wherein the rotor is capable of driving the input shaft to rotate through the planetary assembly, or the input shaft is capable of driving the rotor to rotate through the planetary assembly; the planetary assembly comprises a sun gear, a planet carrier, a plurality of planet gears and a ring gear, the plurality of planet gears being arranged on the planet carrier, along the circumferential direction of the sun gear, and being engaged with the sun gear; the ring gear is engaged with the plurality of planet gears; the transmission further comprises a housing, the housing having a first mounting cavity and a second mounting cavity; the stator is mounted in the first mounting cavity, and the input shaft extends from the first mounting cavity into the second mounting cavity; the transmission further comprises an intermediate shaft, a first constant mesh gear, a second constant mesh gear, a transmission gear, a first output shaft and an output gear; the first constant mesh gear is sleeved on the input shaft; the second constant mesh gear is sleeved on the intermediate shaft and is engaged with the first constant mesh gear; the transmission gear is sleeved on the intermediate shaft; the first output shaft is coaxially arranged with the input shaft; the output gear is sleeved on the first output shaft and is engaged with the transmission gear; the rotor is connected with the ring gear, the planet carrier is connected with the input shaft, or the sun gear is connected with the housing, or the rotor is connected with the sun gear, the ring gear is connected with the input shaft, and the planet carrier is connected with the housing.

2. A power system characterized by, The transmission as claimed in claim 1.

3. The power system of claim 2, wherein, The power system comprises: an engine comprising a second output shaft, the second output shaft being connected with the input shaft; a clutch arranged between the second output shaft and the input shaft, capable of controlling the second output shaft to be disconnected or connected with the input shaft.

4. A vehicle characterized by comprising: The power system as claimed in claim 2 or 3, or the transmission as claimed in claim 1.

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