Hybrid powertrain and vehicle
Patent Information
- Application Number
- CN202522414346.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-13
- Publication Date
- 2026-09-25
- Estimated Expiration
- 2035-11-13
AI Technical Summary
[0003]本申请提供一种混合动力系统及车辆,以解决传统双电机方案占用空间尺寸较大的技术问题
[0015]本申请混合动力系统采用双转子电机替换传统双电机方案,并且通过共轭定子的形式优化双转子电机的结构布置,减小双转子电机的体积,提高空间利用率和功能集成度。
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Figure CN224796769U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of vehicle technology, and in particular to a hybrid power system and vehicle. Background Technology
[0002] Pure electric vehicles cannot meet the requirements for long-distance driving, while plug-in hybrid electric vehicles can combine the advantages of traditional internal combustion engines and electric motors. Currently, most hybrid electric vehicles use a traditional dual-motor independent layout scheme, which requires two motors to be arranged separately to perform power generation and driving functions, occupying a large space. Utility Model Content
[0003] This application provides a hybrid power system and vehicle to solve the technical problem of the large space occupied by traditional dual-motor solutions.
[0004] To address the aforementioned technical problems, this application proposes a hybrid power system, including a dual-rotor motor. The dual-rotor motor comprises: a motor housing; a generator assembly including an outer stator and an outer rotor, both located within the motor housing; and a drive motor assembly including an inner stator and an inner rotor, both located within the motor housing. The inner and outer stators form an integral conjugate stator through a shared stator yoke. The outer rotor is fitted onto the outer surface of the conjugate stator and spaced apart, allowing it to rotate relative to the conjugate stator. The inner rotor is located on the inner surface of the conjugate stator and spaced apart, also allowing it to rotate relative to the conjugate stator.
[0005] The conjugate stator is fixedly connected to the motor housing.
[0006] It also includes a planetary gear mechanism, which consists of a ring gear, a planet carrier, and a sun gear. The ring gear and the sun gear are both connected to the planet carrier. The ring gear is connected to the outer rotor, and the inner rotor is connected to the sun gear. The hybrid power system also includes a reduction gear set. The planet carrier is connected to the reduction gear set, which outputs the power from the ring gear and the sun gear to the reduction gear set.
[0007] The inner rotor includes an inner rotor shaft, which is connected to the sun gear. The center of the inner rotor shaft is a hollow shaft. The planetary gear mechanism also includes planetary gears, which are connected to the sun gear and output the power of the sun gear to the reduction gear set through the planetary gears.
[0008] The reduction gear set includes a first reduction gear, a second reduction gear, and a third reduction gear. A planetary gear is connected to the first reduction gear, the first reduction gear is connected to the second reduction gear, and the second reduction gear is connected to the third reduction gear. The hybrid power system also includes a differential, with the third reduction gear connected to the differential. The differential is used to output power to the vehicle's drive wheels.
[0009] It also includes a planetary gear mechanism and a clutch. The planetary gear mechanism includes a gear ring, and the clutch is located between the outer rotor and the gear ring.
[0010] It also includes a planetary gear mechanism and a locking mechanism. The planetary gear mechanism includes a gear ring, and the locking mechanism and the gear ring can be unlocked.
[0011] This also includes battery components, which are electrically connected to the inner and outer stators and are used for inputting and outputting electrical energy.
[0012] This also includes an engine and a torsional damper, which is located between the engine and the dual-rotor motor.
[0013] To address the aforementioned technical problems, this application proposes a vehicle including the aforementioned hybrid power system.
[0014] This application's hybrid power system includes a dual-rotor motor. The dual-rotor motor includes a motor housing, a generator assembly, and a drive motor assembly. The generator assembly includes an outer stator and an outer rotor. Both the outer stator and outer rotor are located within the motor housing. The drive motor assembly includes an inner stator and an inner rotor. Both the inner stator and inner rotor are located within the motor housing. The outer stator and outer rotor form an integral conjugate stator through a shared stator yoke. The outer rotor is fitted onto the outer surface of the conjugate stator and spaced apart. The outer rotor can rotate relative to the conjugate stator. The inner rotor is located on the inner surface of the conjugate stator and spaced apart. The inner rotor can rotate relative to the conjugate stator.
[0015] The hybrid power system of this application uses a dual-rotor motor to replace the traditional dual-motor scheme, and optimizes the structural layout of the dual-rotor motor by using a conjugate stator, thereby reducing the size of the dual-rotor motor and improving space utilization and functional integration. Attached Figure Description
[0016] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort, wherein: Figure 1 This is a schematic diagram of the structure of an embodiment of the hybrid power system of this application; Figure 2 This is a schematic diagram of the series range extender mode of an embodiment of the hybrid power system of this application; Figure 3 This is a schematic diagram of the parking charging mode of an embodiment of the hybrid power system of this application; Figure 4 This is a schematic diagram of the pure electric drive mode of an embodiment of the hybrid power system of this application; Figure 5 This is a schematic diagram of the hybrid drive mode of an embodiment of the hybrid power system of this application; Figure 6 This is a schematic diagram of the direct-drive power-saving mode of an embodiment of the hybrid power system of this application; Reference numerals: 10. Hybrid power system; 11. Engine; 12. Torsional damper; 13. Generator input shaft; 14. Dual rotor motor; 141. Generator assembly; 1411. Outer rotor; 1412. Outer stator; 142. Drive motor assembly; 1421. Inner rotor; 1422. Inner stator; 143. Conjugate stator; 15. Planetary gear mechanism; 151. Ring gear; 152. Planet carrier; 153. Sun gear; 154. Planet gears; 16. Locking mechanism; 17. Clutch; 18. Reduction gear set; 181. First reduction gear; 182. Second reduction gear; 183. Third reduction gear; 19. Battery assembly; 20. Differential; 21. Drive wheel. Detailed Implementation
[0017] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.
[0018] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.
[0019] The hybrid power system provided in this application will be described in detail below with reference to embodiments.
[0020] Please see Figure 1 , Figure 1This is a schematic diagram of a hybrid power system according to an embodiment of the present application. The present application provides a hybrid power system 10. The hybrid power system 10 includes a dual-rotor motor 14. The dual-rotor motor 14 includes a motor housing (not shown), a generator assembly 141, and a drive motor assembly 142. The generator assembly 141 includes an outer stator 1412 and an outer rotor 1411. Both the outer stator 1412 and the outer rotor 1411 are located within the motor housing. The drive motor assembly 142 includes an inner stator 1422 and an inner rotor 1421. Both the inner stator 1422 and the inner rotor 1421 are located within the motor housing. The inner stator 1422 and the outer stator 1412 form an integral conjugate stator 143 through a shared stator yoke. The outer rotor 1411 is sleeved on the outer surface of the conjugate stator 143 and spaced apart. The outer rotor 1411 is rotatable relative to the conjugate stator 143. The inner rotor 1421 is located on the inner surface of the conjugate stator 143 and spaced apart. The inner rotor 1421 can rotate relative to the conjugate stator 143.
[0021] The motor housing houses the generator assembly 141 and the drive motor assembly 142. Both the generator assembly 141 and the drive motor assembly 142 are mounted inside the motor housing. The outer stator 1412 and the outer rotor 1411 are mounted inside the motor housing. The inner rotor 1421 and the inner stator 1422 are mounted inside the motor housing. The inner stator 1422 and the outer stator 1412 may, but are not limited to, be in the form of a large circumferential iron core. The inner stator 1422 and the outer stator 1412 form an integral conjugate stator 143 by sharing a stator yoke.
[0022] The conjugate stator 143 adopts the form of corresponding slots on the inner and outer sides of the iron core (not shown in the figure). Inner ring slots and outer ring slots are set on the inner and outer sides of the iron core, respectively, and winding coils are placed in the slots. Through the shared stator yoke, inner stator 1422 and outer stator 1412 are formed on the inner and outer sides of the iron core, respectively, thereby realizing an integrated conjugate stator 143.
[0023] A conjugate stator 143 and an inner rotor 1421 are spaced apart. The inner rotor 1421 is located inside the conjugate stator 143 and can rotate relative to the conjugate stator 143. The gap between the conjugate stator 143 and the inner rotor 1421 is the inner air gap. A conjugate stator 143 and an outer rotor 1411 are spaced apart. The outer rotor 1411 is located outside the conjugate stator 143 and can rotate relative to the conjugate stator 143. The gap between the conjugate stator 143 and the outer rotor 1411 is the outer air gap.
[0024] By incorporating a dual-rotor motor 14 into the hybrid power system 10 instead of the traditional separate generator and drive motor configuration, the generator and drive motor functions are integrated into one unit, reducing overall size, improving space utilization, and simultaneously increasing power density and transmission efficiency. Furthermore, by forming an integrated conjugate stator 143 through a shared stator yoke between the inner stator 1422 and the outer stator 1412, the internal volume of the dual-rotor motor 14 is further reduced, enhancing overall functional integration.
[0025] In some embodiments, the conjugate stator 143 is fixedly connected to the motor housing.
[0026] The conjugate stator 143 can be detachably or fixedly connected inside the motor housing.
[0027] By fixing the conjugate stator 143 to the motor housing, the overall stability of the conjugate stator 143 can be improved, thereby enhancing the vibration resistance of the dual rotor motor 14 during operation.
[0028] Please see Figure 1 In some embodiments, the hybrid power system 10 further includes a planetary gear mechanism 15. The planetary gear mechanism 15 includes a ring gear 151, a planet carrier 152, and a sun gear 153. Both the ring gear 151 and the sun gear 153 are connected to the planet carrier 152. The ring gear 151 is connected to the outer rotor 1411. The inner rotor 1421 is connected to the sun gear 153. The hybrid power system 10 also includes a reduction gear set 18. The planet carrier 152 is drive-connected to the reduction gear set 18, outputting power from the ring gear 151 and the sun gear 153 to the reduction gear set 18.
[0029] The ring gear 151 and sun gear 153 are driven and connected to the planetary carrier 152 for transmitting and outputting power. The ring gear 151 is driven and connected to the outer rotor 1411. The inner rotor 1421 is driven and connected to the sun gear 153. The reduction gear set 18 is used to adjust the power to match the torque of the drive wheel 21. The planetary carrier 152 is driven and connected to the reduction gear set 18, which outputs the power from the ring gear 151 and sun gear 153 to the reduction gear set 18, and then the reduction gear set 18 outputs the power to the drive wheel 21 of the vehicle for driving.
[0030] By using a planetary gear mechanism 15 for power transmission, the engine 11 can lock into its high-efficiency range at any vehicle speed, thereby improving its power economy. Furthermore, the planetary gear mechanism 15 offers superior advantages in transmission efficiency and dynamic response time. By configuring a ring gear 151 to drive the outer rotor 1411 and an inner rotor 1421 to drive the sun gear 153, a power transmission path is established from the drive motor assembly 142 and the engine 11 to the planetary gear mechanism 15. This enables multiple power coupling drives to adapt to different operating modes of the hybrid power system 10.
[0031] In some embodiments, the inner rotor 1421 includes an inner rotor shaft (not shown in the figure). The inner rotor 1421 is connected to the sun gear 153 via the inner rotor shaft. The center of the inner rotor shaft is a hollow shaft. The planetary gear mechanism 15 also includes planet gears 154. The planet gears 154 are connected to the sun gear 153, and the power of the sun gear 153 is output to the reduction gear set 18 via the planet gears 154.
[0032] The inner rotor 1421 and the sun gear 153 are connected via the inner rotor shaft. The sun gear 153 is fixedly connected to the inner rotor shaft. The planet gear 154 is the power output mechanism of the planetary gear mechanism 15. The planet gear 154 is connected to the sun gear 153, forming a power transmission path between the inner rotor 1421, the sun gear 153, the planet gear 154, and the reduction gear set 18.
[0033] In other embodiments, the outer rotor 1411 and the gear ring 151 may be connected by a geared shaft, but not limited to a transmission connection. The gear ring 151 is connected to the planetary gears 154, so that the power of the outer rotor 1411 can be transmitted to the planetary gears 154 and output to the reduction gear set 18.
[0034] By connecting the inner rotor 1421 and the sun gear 153 via the inner rotor shaft, a stable power transmission path can be achieved between the inner rotor 1421 and the sun gear 153. This facilitates the coupling and transmission of kinetic energy between the inner rotor 1421 and the outer rotor 1411 on the planetary carrier 152 to the reduction gear set 18. This enables different operating modes of the hybrid power system 10 to adapt to different driving modes of the vehicle.
[0035] Please see Figure 1 In some embodiments, the reduction gear set 18 includes a first reduction gear 181, a second reduction gear 182, and a third reduction gear 183. A planetary gear 154 is connected to the first reduction gear 181. The first reduction gear 181 is drive-connected to the second reduction gear 182. The second reduction gear 182 is drive-connected to the third reduction gear 183. The hybrid power system 10 also includes a differential 20. The third reduction gear 183 is connected to the differential 20. The differential 20 is used to output power to the drive wheels 21 of the vehicle.
[0036] The reduction gear set 18 converts the high-speed, low-torque output from the planetary carrier 152 into a low-speed, high-torque suitable for the drive wheels 21. This torque is processed through three reduction gears. The first reduction gear 181 has fewer teeth than the second reduction gear 182. The second reduction gear 182 has more teeth than the third reduction gear 183. The differential 20 allows the drive wheels 21 of the vehicle to rotate at different speeds during steering.
[0037] By setting up a reduction gear set 18, the high-speed torque output from the planetary carrier 152 is reduced and amplified in three stages to output low-speed, high-torque suitable for the drive wheels 21. By setting up a differential 20 to output power to the vehicle's drive wheels 21, a power transmission path is formed between the planetary carrier 152, the reduction gear set 18, the differential 20, and the drive wheels 21, thereby realizing torque processing and driving action on the drive wheels 21.
[0038] In some embodiments, the hybrid power system 10 further includes a planetary gear mechanism 15 and a clutch 17. The planetary gear mechanism 15 includes a ring gear 151. The clutch 17 is disposed between the outer rotor 1411 and the ring gear 151.
[0039] The clutch 17 can be, but is not limited to, a normally open electromagnetic clutch 17. The clutch 17 is fixedly disposed between the transmission path of the outer rotor 1411 and the gear ring 151. Engaging the clutch 17 controls the power transmission between the outer rotor 1411 and the gear ring 151. Disengaging the clutch 17 stops the power transmission between the outer rotor 1411 and the gear ring 151.
[0040] In this embodiment, the clutch 17 is a normally open electromagnetic clutch 17. In the disengaged state, the electromagnetic coil inside the clutch 17 is not energized, and the return spring drives the clutch 17 to disengage naturally. When engagement is required, the electromagnetic coil inside the clutch 17 is energized, generating electromagnetic force to drive the push plate to mesh with the dog teeth of the gear plate, thereby transmitting torque.
[0041] By setting the clutch 17 between the transmission paths of the outer rotor 1411 and the gear ring 151, the power transmission and stopping between the outer rotor 1411 and the gear ring 151 can be controlled, making it easy to interrupt the power output at any time and achieve smooth gear shifting of the vehicle.
[0042] Please see Figure 1 In some embodiments, the hybrid power system 10 further includes a planetary gear mechanism 15 and a locking mechanism 16. The planetary gear mechanism 15 includes a ring gear 151. The locking mechanism 16 is releasably locked to the ring gear 151.
[0043] The locking mechanism 16 can lock the gear ring 151. Alternatively, the locking mechanism 16 can unlock the gear ring 151, allowing the gear ring 151 to rotate freely.
[0044] When the locking mechanism 16 locks the gear ring 151, it reduces the degree of freedom to zero by constraining the movement of the gear ring 151, thereby achieving a power flow with a fixed speed ratio and avoiding power circulation loss.
[0045] In some embodiments, the hybrid power system 10 further includes a battery component 19. The battery component 19 is electrically connected to the inner stator 1422 and the outer stator 1412 for inputting and outputting electrical energy.
[0046] The battery component 19 can be, but is not limited to, a high-voltage battery. The battery component 19 is electrically connected to the inner stator 1422 and the outer stator 1412 to realize power transmission.
[0047] By electrically connecting the battery component 19 to the inner stator 1422 and the outer stator 1412, the generator assembly 141 can charge the battery component 19, and the battery component 19 can output electrical energy to the drive motor assembly 142, thereby realizing the storage of electrical energy and the electric drive of the vehicle by the battery component 19, which is adapted to different driving modes of the vehicle.
[0048] In some embodiments, the hybrid power system 10 further includes an engine 11 and a torsional damper 12. The torsional damper 12 is disposed between the engine 11 and the dual-rotor motor 14.
[0049] The engine 11 provides mechanical kinetic energy by burning fossil fuels. The engine 11 is directly connected to the outer rotor 1411 of the dual-rotor motor 14 via the generator input shaft 13, transmitting kinetic energy to the outer rotor 1411. A torsional damper 12 is disposed in the transmission path between the engine 11 and the outer rotor 1411 for buffering and damping.
[0050] The engine 11 directly outputs power to the outer rotor 1411, making the outer rotor 1411 rotate at the same speed as the engine 11. At this time, the torsional damper 12 can prevent the vehicle from being excited by the main harmonic torque of the engine 11.
[0051] By placing the torsional damper 12 between the engine 11 and the dual-rotor motor 14, the impact on the hybrid power system 10 is greatly reduced due to the buffering effect of the damper spring, thereby achieving stable torque transmission.
[0052] Please see Figures 2 to 6 , Figure 2 This is a schematic diagram of the series range extender mode of an embodiment of the hybrid power system of this application. Figure 3 This is a schematic diagram of the parking charging mode of an embodiment of the hybrid power system of this application. Figure 4 This is a schematic diagram of the pure electric drive mode of an embodiment of the hybrid power system of this application. Figure 5 This is a schematic diagram of the hybrid drive mode of an embodiment of the hybrid power system of this application. Figure 6 This is a schematic diagram of the direct-drive power-saving mode of an embodiment of the hybrid power system of this application. (In conjunction with...) Figure 1 In some embodiments, the hybrid power system 10 can provide multiple operating modes: series range extender mode, parking charging mode, pure electric drive mode, hybrid drive mode, and direct drive power-saving mode.
[0053] (1) Series range extender mode: In series range extender mode, engine 11 starts running, inner rotor 1421 and outer rotor 1411 operate. At this time, clutch 17 is disengaged, and locking mechanism 16 locks gear ring 151. Engine 11 operates in the high-efficiency range to ensure economy. At the same time, engine 11 drives outer rotor 1411 to generate electricity through generator input shaft 13, and charges it through battery unit 19. Battery unit 19 then converts DC power into three-phase AC power to power inner rotor 1421, driving inner rotor 1421 to rotate. Inner rotor 1421 is connected to sun gear 153, thereby driving planetary carrier 152 to rotate and output power. After being reduced in speed by reduction gear set 18, the power is transmitted to drive wheel 21 to drive the vehicle.
[0054] (2) Parking charging mode: In parking charging mode, engine 11 operates, outer rotor 1411 operates, and inner rotor 1421 does not operate. At this time, clutch 17 is disengaged, and locking mechanism 16 locks gear ring 151. Engine 11 drives outer rotor 1411 to generate electricity via generator input shaft 13, and charges battery unit 19 via electrical connection. Since vehicle charging takes priority at this time, battery unit 19 does not output electrical energy to drive inner rotor 1421, and inner rotor 1421 does not operate. This mode is typically switched when the vehicle's battery is low or when the vehicle is parked.
[0055] (3) Pure electric drive mode: In pure electric drive mode, engine 11 is not operating, outer rotor 1411 is not operating, and inner rotor 1421 is operating. At this time, clutch 17 is disengaged, and locking mechanism 16 locks ring gear 151. Battery unit 19 controls the rotation of inner rotor 1421, and power is output through sun gear 153 and planetary carrier 152, and after reduction by reduction gear set 18, drives the vehicle. At this time, outer rotor 1411 does not transmit any energy and does not participate in operation.
[0056] (4) Hybrid drive mode: In hybrid drive mode, engine 11 operates, inner rotor 1421 operates, and outer rotor 1411 operates. At this time, clutch 17 is engaged, locking mechanism 16 is disengaged, and part of the power from engine 11 drives outer rotor 1411 to charge battery 19; the other part is output from outer rotor 1411 through clutch 17, ring gear 151, and planetary carrier 152. Simultaneously, battery 19 outputs electrical energy to drive inner rotor 1421. The power from inner rotor 1421, via sun gear 153, merges with the power from engine 11 at planetary carrier 152 and is then reduced in speed by reduction gear set 18 before being transmitted to drive wheels 21 to propel the vehicle.
[0057] (5) Direct drive power protection mode: In direct-drive power-saving mode, engine 11 operates, outer rotor 1411 operates, and inner rotor 1421 does not operate. At this time, clutch 17 is engaged, locking mechanism 16 is disengaged, and part of the power from engine 11 drives outer rotor 1411 to charge battery 19; the other part is directly output from outer rotor 1411 through clutch 17, through ring gear 151 and planetary carrier 152, and after being reduced in speed by reduction gear set 18, the power is transmitted to drive wheel 21 to drive the vehicle.
[0058] Please see Figures 1 to 6 This application provides a vehicle (not shown in the figure). The vehicle includes a hybrid power system 10.
[0059] The hybrid power system 10 is used to drive the vehicle. It should be noted that the hybrid power system 10 in this embodiment is the same as the hybrid power system 10 described in the above embodiments, and will not be repeated here.
[0060] By incorporating a hybrid power system 10 that includes dual rotor motors 14, the vehicle can significantly reduce the axial space required by the vehicle, creating space for the layout of other chassis components, while improving overall power density and transmission efficiency.
[0061] The terms "first," "second," and "third" in this application are for descriptive purposes only and should not be construed as indicating the number of technical features indicated. Therefore, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of those features. All directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of this application are only used to explain the relative positional relationships and movements between components in a specific orientation (as shown in the figures). If the specific orientation changes, the directional indications will also change accordingly. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion. A process, method, system, product, or device that includes a series of steps or units is not limited to the listed steps or units, but may optionally include steps or units not listed, or may optionally include other steps or units inherent to these processes, methods, products, or devices.
[0062] The above description is merely an embodiment of this application and does not limit the patent scope of this application. Any equivalent structural or procedural transformations made using the content of this application's specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this application.
Claims
1. A hybrid power system, characterized in that, Includes a dual-rotor motor, wherein the dual-rotor motor: Motor housing; A generator assembly, including an outer stator and an outer rotor, both of which are located in the motor housing; A drive motor assembly includes an inner stator and an inner rotor, both of which are located within the motor housing; The inner stator and the outer stator form an integral conjugate stator by sharing a stator yoke. The outer rotor is sleeved on the outer surface of the conjugate stator and spaced apart, and the outer rotor can rotate relative to the conjugate stator. The inner rotor is located on the inner surface of the conjugate stator and spaced apart, and the inner rotor can rotate relative to the conjugate stator.
2. The hybrid power system according to claim 1, characterized in that, The conjugate stator is fixedly connected to the motor housing.
3. The hybrid power system according to claim 1, characterized in that, It also includes a planetary gear mechanism, which includes a ring gear, a planet carrier, and a sun gear. The ring gear and the sun gear are both connected to the planet carrier. The ring gear is connected to the outer rotor, and the inner rotor is connected to the sun gear. The hybrid power system also includes a reduction gear set, and the planetary carrier is connected to the reduction gear set to output the power of the ring gear and the sun gear to the reduction gear set.
4. The hybrid power system according to claim 3, characterized in that, The inner rotor includes an inner rotor shaft, and the inner rotor is connected to the sun gear through the inner rotor shaft. The center of the inner rotor shaft is a hollow shaft. The planetary gear mechanism also includes planetary gears connected to the sun gear, which output the power of the sun gear to the reduction gear set through the planetary gears.
5. The hybrid power system according to claim 4, characterized in that, The reduction gear set includes a first reduction gear, a second reduction gear, and a third reduction gear. The planetary gear is connected to the first reduction gear, the first reduction gear is driven by the second reduction gear, and the second reduction gear is driven by the third reduction gear. The hybrid power system also includes a differential, with the third reduction gear connected to the differential, which is used to output power to the drive wheels of the vehicle.
6. The hybrid power system according to any one of claims 1 to 5, characterized in that, It also includes a planetary gear mechanism and a clutch, wherein the planetary gear mechanism includes a gear ring and the clutch is disposed between the outer rotor and the gear ring.
7. The hybrid power system according to any one of claims 1 to 5, characterized in that, It also includes a planetary gear mechanism and a locking mechanism, wherein the planetary gear mechanism includes a gear ring, and the locking mechanism is releasably locked to the gear ring.
8. The hybrid power system according to any one of claims 1 to 5, characterized in that, It also includes a battery unit, which is electrically connected to the inner stator and the outer stator, for inputting and outputting electrical energy.
9. The hybrid power system according to any one of claims 1 to 5, characterized in that, It also includes an engine and a torsional damper, the torsional damper being disposed between the engine and the dual-rotor motor.
10. A vehicle, characterized in that, Includes the hybrid power system as described in any one of claims 1 to 9.