CN213007588U

CN213007588U - Power driving system and hybrid electric vehicle

Info

Publication number: CN213007588U
Application number: CN202020993944.4U
Authority: CN
Inventors: 李宇栋; 黄善敏; 郑勇; 杨加丰
Original assignee: Jifu Automotive Technology Suzhou Co ltd
Current assignee: Anhui Fuzhen Automobile Power System Co ltd
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2021-04-20
Anticipated expiration: 2030-06-03

Abstract

The utility model discloses a power driving system, including engine, first motor, second motor and output assembly, first motor through first input assembly with output assembly connects, the second motor passes through the second input assembly and is connected with output assembly. The utility model also discloses a hybrid vehicle.

Description

Power driving system and hybrid electric vehicle

Technical Field

The utility model belongs to the technical field of hybrid vehicle, specifically speaking, the utility model relates to a power drive system and hybrid vehicle for hybrid vehicle.

Background

By hybrid vehicle is meant a vehicle in which the vehicle drive train is composed of a combination of two or more single drive systems capable of operating simultaneously.

The existing hybrid electric vehicle generally adopts an engine and a motor as power sources, and the motor is enabled to provide power independently or together with the engine through different control strategies. The advantages of two power sources can be fully exerted, namely, the motor is energy-saving, low in pollution, low in noise, good in medium-low speed power performance, but low in endurance mileage, incomplete in charging facility, good in endurance capacity of the engine and complete in refueling facility. The two can make up for the weakness after being combined, and improve the dynamic property, the economical efficiency and the environmental protection property of the vehicle. Especially, at present, energy conservation and environmental protection become mainstream development of automobile industry, and hybrid electric vehicles become a technical direction for vigorous development of various main engine plants all over the world. The conventional power driving system for the hybrid electric vehicle has a complex structure, is difficult to control and has high cost.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a simple structure's hybrid vehicle is with power drive system.

In order to realize the purpose, the utility model discloses the technical scheme who takes does: the power driving system comprises an engine, a first motor, a second motor, a first input assembly, a second input assembly and an output assembly, wherein the first motor is connected with the output assembly through the first input assembly, and the second motor is connected with the output assembly through the second input assembly.

The first input assembly comprises a first input shaft, a first-gear driving gear and a first second-gear driving gear, the first-gear driving gear and the first second-gear driving gear are sleeved on the first input shaft in a hollow mode, and the first input shaft is connected with the first motor.

The output assembly comprises an output shaft, a first-gear output gear and a second-gear output gear, the first-gear output gear and the second-gear output gear are arranged on the output shaft and rotate synchronously with the output shaft, the first-gear output gear is meshed with the first-gear driving gear, and the second-gear output gear is meshed with the first second-gear driving gear.

The second input assembly comprises a second input shaft, a second first gear driving gear and a second gear driving gear, the second first gear driving gear and the second gear driving gear are sleeved on the second input shaft in an empty mode, the second input shaft is connected with the second motor, the first gear output gear is meshed with the second first gear driving gear, and the second gear output gear is meshed with the second gear driving gear.

The output assembly is disposed between the first input assembly and the second input assembly.

The first motor is connected with the first input assembly through an output gear set.

The output gear set comprises an output driving gear connected with the first motor and an output driven gear connected with the first input assembly and meshed with the output driving gear.

The engine is connected to the first input assembly through a clutch.

The power driving system further comprises a differential driven gear and a differential assembly, and the output assembly comprises a differential driving gear meshed with the differential driven gear.

The utility model also provides a hybrid vehicle, including foretell power drive system.

The utility model discloses a power driving system, simple structure, it is with low costs, easy control.

Drawings

The description includes the following figures, the contents shown are respectively:

fig. 1 is a schematic structural diagram of a power drive system of the present invention;

FIG. 2 is another schematic structural view of the power drive system of the present invention;

labeled as: 1. an engine; 2. a first motor; 3. a second motor; 4. a clutch; 5. a first input assembly; 51. a first input shaft; 52. a first gear driving gear; 53. a first and second gear driving gear; 54. a first synchronizer; 6. a second input assembly; 61. a second input shaft; 62. a second first gear driving gear; 63. a second gear driving gear; 64. a second synchronizer; 7. an output component; 71. an output shaft; 72. a first-gear output gear; 73. a second gear output gear; 74. a differential drive gear; 8. a differential driven gear; 9. a differential assembly; 10. an output gear set; 101. an output drive gear; 102. and outputting the driven gear.

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings, for the purpose of helping those skilled in the art to understand more completely, accurately and deeply the conception and technical solution of the present invention, and to facilitate its implementation.

It should be noted that, in the following embodiments, the "first" and "second" do not represent an absolute distinction relationship in structure and/or function, nor represent a sequential execution order, but merely for convenience of description.

As shown in fig. 1, the utility model provides a power driving system, including engine 1, first motor 2, second motor 3, output assembly 7, differential mechanism driven gear 8 and differential mechanism assembly 9, first motor 2 is connected with output assembly 7 through first input assembly 5, and second motor 3 is connected with output assembly 7 through second input assembly 6.

Specifically, as shown in fig. 1, the first input assembly 5 includes a first input shaft 51, a first synchronizer 54, a first gear driving gear 52 and a first second gear driving gear 53, the first gear driving gear 52 and the first second gear driving gear 53 are freely sleeved on the first input shaft 51, and the first input shaft 51 is connected to the first motor 2. The output assembly 7 includes a differential driving gear 74 engaged with the differential driven gear 8, an output shaft 71, and a first-gear output gear 72 and a second-gear output gear 73 disposed on the output shaft 71 and rotating synchronously with the output shaft 71, wherein the first-gear output gear 72 is engaged with the first-gear driving gear 52, and the second-gear output gear 73 is engaged with the first second-gear driving gear 53.

As shown in fig. 1, the axis of the first input shaft 51 is parallel to the axis of the output shaft 71, the first-gear driving gear 52 and the first second-gear driving gear 53 are coaxially disposed with the first input shaft 51, the diameter of the first-gear driving gear 52 is smaller than that of the first second-gear driving gear 53, and the first-gear driving gear 52 is located between the clutch 4 and the first second-gear driving gear 53 in the axial direction of the first input shaft 51. The first synchronizer 54 is disposed between the first-gear driving gear 52 and the first second-gear driving gear 53, and is fixedly connected to the first input shaft 51. The first synchronizer 54 may be coupled to the first-gear driving gear 52 and the first second-gear driving gear 53, respectively, or in an intermediate position. The first synchronizer 54 may be combined with the first and

second driving gears

52 and 53, respectively, so that power is transmitted from the first or

second driving gear

52 or 53 of the first input shaft 51 to the first or

second output gear

72 or 73.

The first-gear output gear 72, the second-gear output gear 73 and the differential driving gear 74 are coaxially and fixedly connected with the output shaft 71, the differential driving gear 74, the first-gear output gear 72 and the second-gear output gear 73 are sequentially arranged along the axial direction of the output shaft 71, the diameter of the first-gear output gear 72 is larger than that of the first-gear driving gear 52 and larger than that of the second-gear output gear 73, the diameter of the second-gear output gear 73 is smaller than that of the first second-gear driving gear 53, the diameter of the differential driving gear 74 is smaller than that of the differential driven gear 8, the differential driven gear 8 is fixedly connected with the differential assembly 9, and the differential assembly 9 is used for outputting power of a power driving system to a half shaft of a vehicle so as to drive wheels to rotate and generate driving force.

As shown in fig. 1, the second input assembly 6 includes a second input shaft 61, a second synchronizer 64, a second first gear driving gear 62 and a second gear driving gear 63, the second first gear driving gear 62 and the second gear driving gear 63 are freely sleeved on the second input shaft 61, the second input shaft 61 is connected with the second motor 3, a first gear output gear 72 is engaged with the second first gear driving gear 62, and a second gear output gear 73 is engaged with the second gear driving gear 63. The second input shaft 61 is fixedly connected with a motor shaft of the second motor 3, an axis of the second input shaft 61 is parallel to an axis of the output shaft 71, the second first gear driving gear 62 and the second gear driving gear 63 are coaxially arranged with the second input shaft 61, a diameter of the second first gear driving gear 62 is smaller than a diameter of the second gear driving gear 63, a diameter of the second first gear driving gear 62 is smaller than a diameter of the first gear output gear 72, and a diameter of the second gear driving gear 63 is larger than the diameter of the first gear output gear 72.

As shown in fig. 1, the second synchronizer 64 is disposed between the second first gear driving gear 62 and the second gear driving gear 63, and is fixedly connected to the second input shaft 61. The second synchronizer 64 may be engaged with the second first gear drive gear 62 and the second gear drive gear 63, respectively, or in an intermediate position. The second synchronizer 64 may be combined with the second first gear driving gear 62 and the second gear driving gear 63, respectively, so that power is transmitted from the second first gear driving gear 62 or the second gear driving gear 63 of the second input shaft 61 to the first gear output gear 72 or the second gear output gear 73.

As shown in fig. 1, the output assembly 7 is arranged between the first input assembly 5 and the second input assembly 6. The engine 1 is connected with the first input assembly 5 through the clutch 4, one end of the first input shaft 51 is fixedly connected with a driven disc of the clutch 4, the engine 1 is fixedly connected with a driving disc of the clutch 4, and the first input shaft 51 is fixedly connected with a rotor of the first motor 2, so that power generated by the engine 1 and the first motor 2 is transmitted to the first input assembly 5. By engaging and disengaging the clutch 4, the engine 1 is connected to and disconnected from the first input shaft 51.

The first motor 2 and the second motor 3 both have driving and power generation functions, and the first motor 2 and the second motor 3 are electrically connected with a storage battery and can charge the storage battery.

As a variant, as shown in fig. 2, the first electric machine 2 is connected to the first input assembly 5 by means of an output gear set 10, according to the type of the first electric machine 2, so as to facilitate the arrangement of the whole box and to transmit the power generated by the first electric machine 2 to the first input assembly 5 by means of the output gear set 10. The first motor 2 is connected to the first input shaft 51 through the output gear set 10, the output gear set 10 plays a role of speed reduction and torque increase, and the output gear set 10 includes an output driving gear 101 connected to the first motor 2 and an output driven gear 102 connected to the first input assembly 5 and engaged with the output driving gear 101. The output driving gear 101 and the output driven gear 102 are both cylindrical gears, the diameter of the output driving gear 101 is smaller than that of the output driven gear 102, the output driving gear 101 is fixedly connected with a rotor of the first motor 2, the output driven gear 102 is coaxially and fixedly connected with the first input shaft 51, and the first-gear driving gear 52 is located between the first second-gear driving gear 53 and the output driven gear 102 in the axial direction of the first input shaft 51.

The utility model discloses an among the power drive system, there are three power input sources, engine 1, first motor 2 and second motor 3 promptly, realize different mode and gear through the control to the difference of clutch 4, first synchronizer 54 and second synchronizer 64.

The utility model also provides a hybrid vehicle, including the power drive system of above-mentioned structure. The specific structure of the power driving system can refer to fig. 1 and 2, and is not described in detail herein. Since the hybrid vehicle of the present invention includes the power drive system in the above embodiment, it has all the advantages of the above power drive system.

The invention has been described above by way of example with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited by the above-described manner. Various insubstantial improvements are made by adopting the method conception and the technical proposal of the utility model; or without improvement, the above conception and technical solution of the present invention can be directly applied to other occasions, all within the protection scope of the present invention.

Claims

1. Power-driven system, including engine, first motor, second motor and output assembly, its characterized in that: the first motor is connected with the output assembly through a first input assembly, and the second motor is connected with the output assembly through a second input assembly.

2. The power drive system according to claim 1, wherein: the first input assembly comprises a first input shaft, a first-gear driving gear and a first second-gear driving gear, the first-gear driving gear and the first second-gear driving gear are sleeved on the first input shaft in a hollow mode, and the first input shaft is connected with the first motor.

3. The power drive system according to claim 2, wherein: the output assembly comprises an output shaft, a first-gear output gear and a second-gear output gear, the first-gear output gear and the second-gear output gear are arranged on the output shaft and rotate synchronously with the output shaft, the first-gear output gear is meshed with the first-gear driving gear, and the second-gear output gear is meshed with the first second-gear driving gear.

4. A power drive system according to claim 3, wherein: the second input assembly comprises a second input shaft, a second first gear driving gear and a second gear driving gear, the second first gear driving gear and the second gear driving gear are sleeved on the second input shaft in an empty mode, the second input shaft is connected with the second motor, the first gear output gear is meshed with the second first gear driving gear, and the second gear output gear is meshed with the second gear driving gear.

5. The power drive system according to any one of claims 1 to 4, characterized in that: the output assembly is disposed between the first input assembly and the second input assembly.

6. The power drive system according to any one of claims 1 to 4, characterized in that: the first motor is connected with the first input assembly through an output gear set.

7. The power drive system according to claim 6, wherein: the output gear set comprises an output driving gear connected with the first motor and an output driven gear connected with the first input assembly and meshed with the output driving gear.

8. The power drive system according to any one of claims 1 to 4, characterized in that: the engine is connected to the first input assembly through a clutch.

9. The power drive system according to any one of claims 1 to 4, characterized in that: the differential mechanism is characterized by further comprising a differential driven gear and a differential mechanism assembly, wherein the output assembly comprises a differential driving gear meshed with the differential driven gear.

10. Hybrid vehicle, its characterized in that: comprising a power drive system according to any of claims 1 to 9.