Commercial vehicle independent hybrid module of P2 architecture
By designing an irregularly shaped P2 module housing and an integrated wet clutch P2 architecture, the problems of long development cycle, high cost and low transmission efficiency of commercial vehicle hybrid modules have been solved, achieving high-precision clutch control and stable operation under harsh conditions.
Patent Information
- Application Number
- CN202211206358.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-09-30
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2042-09-30
AI Technical Summary
Traditional commercial vehicle P2 hybrid modules have long development cycles and high costs, long shift times, poor quality, low transmission efficiency, and dry clutches are at risk of overheating and failure.
Design an irregularly shaped P2 module housing, comprising a central cavity, a flywheel cavity, a wet clutch cavity, and a motor terminal cavity. Employ a wet clutch and connect the transmission, engine, and housing via bolts. Integrate the motor, flywheel, oil pump, and hydraulic control module to improve clutch control precision.
Reduce development cycle and cost, improve shift consistency, enhance transmission efficiency, solve clutch overheating problem, and meet the harsh operating conditions of heavy-duty vehicles.
Smart Images

Figure CN115411879B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application belongs to the automobile hybrid system, and particularly relates to a P2 architecture commercial vehicle independent hybrid module. BACKGROUND
[0002] In order to meet the requirements of national laws and regulations, the hybrid module will be a necessary way for the development of power technology of domestic commercial vehicle manufacturers. The P2 hybrid architecture is generally considered as the most potential technical direction in the commercial vehicle market. The traditional vehicle P2 hybrid module needs to be developed in the gearbox, and has long development cycle, great technical difficulty and high development cost, which is not conducive to popularization and application. In addition, the hybrid module of the commercial vehicle usually adopts a dry clutch as an important part of torque transmission and gear shifting, and has long gear shifting time, poor gear shifting quality and controllability, unsmooth power connection, high gear shifting jerk, high use and maintenance cost and low transmission efficiency. SUMMARY
[0003] The application aims to solve the above technical problems, and develops a special-shaped P2 module shell, which is provided with a center cavity in the middle, a flywheel cavity on the left side of the center cavity and a wet clutch shell cavity on the right side of the center cavity, and a wet clutch cavity is arranged in the wet clutch shell. A motor terminal cavity shell is fixed on the upper left side of the P2 module shell by bolts, and a motor terminal cavity is arranged in the shell. An oil pump is fixed on the lower side. A bottom shell of a hydraulic control module is arranged in the bottom shell, and an oil pump and a hydraulic control module are arranged in the lower cavity. A motor is arranged in the center cavity, a flywheel is arranged in the left cavity, and a wet clutch shell and a wet clutch are arranged in the right cavity. The P2 architecture commercial vehicle independent hybrid module is provided with motor pressing terminals.
[0004] The technical scheme adopted by the application to solve the technical problems is as follows: a P2 architecture commercial vehicle independent hybrid module, characterized by a special-shaped P2 module shell, which is provided with a center cavity in the middle, a flywheel cavity on the left side of the center cavity and a wet clutch shell cavity on the right side of the center cavity, and a wet clutch cavity is arranged in the wet clutch shell. A motor terminal cavity shell and a shell upper cover are fixed on the upper left side of the P2 module shell by bolts, and a motor terminal cavity is arranged in the middle. A wire hole is arranged on the right wall of the motor terminal cavity. An oil pump and an oil bottom shell of a hydraulic control module are fixed on the lower side of the P2 module shell, and form a lower cavity with the P2 module shell. A motor is arranged in the center cavity, and a flywheel is arranged in the flywheel cavity. A wet clutch shell is fixed in the wet clutch shell cavity by bolts through bolt holes three, and a wet clutch cavity is formed between the wet clutch shell and the P2 module shell. A wet clutch is arranged in the wet clutch cavity.
[0005] The P2 module housing has a bearing 1 installed in the left side wall of the central cavity and a bearing 2 installed in the right side wall. The output shaft of the motor is installed between the two bearings. The output shaft has discs at both ends and the cavity is on the left side of the middle of the shaft. A position sensor is installed on the end cover inside the bearing 1. A bearing cover is installed on the outside of the bearing 2 by bolts through bolt hole 2.
[0006] The flywheel in the flywheel cavity of the P2 module housing is fixed to the disk of the output shaft by bolts through the bolt hole in the middle of the flywheel.
[0007] An oil pump is installed at the right end of the lower cavity of the oil pan; a hydraulic control module is installed on the left side.
[0008] The motor terminal cavity in the terminal housing contains motor terminals.
[0009] The wet clutch housing contains a wet clutch chamber, which houses a wet clutch. The left end of the wet clutch is connected to the disc spline at the right end of the input shaft.
[0010] The beneficial effects of this invention are: it meets the technical requirements of national laws and regulations and has the following advantages:
[0011] 1. Significantly reduce the degree of design modification and dependence on the original powertrain system.
[0012] 2. Reduce development cycle and cost.
[0013] 3. It has a high heat capacity to meet the working requirements of heavy-duty vehicles under harsh conditions.
[0014] 4. Effectively solved the problem of clutch overheating failure.
[0015] 5. The clutch has high control precision and good shifting consistency. Attached Figure Description
[0016] The following description, in conjunction with the accompanying drawings, illustrates specific embodiments.
[0017] Figure 1 This is a front view of a P2 architecture commercial vehicle independent hybrid module.
[0018] In the figure: 1-P2 module housing; 1-1-center cavity; 1-2-flywheel cavity; 1-3-wet clutch housing cavity; 1-4-wet clutch cavity; 1-5-motor terminal cavity; 1-5-1-terminal housing; 1-5-2-housing upper cover; 1-5-3-bolt one; 1-5-4-threading hole; 1-6-bolt hole one; 2-wet clutch; 3-input shaft; 4-oil pump; 5-oil pan; 5-1-lower cavity; 6-hydraulic control module; 7-position sensor; 8-output shaft; 9-motor; 9-1-motor terminal; 10-flywheel; 11-bearing one; 12-bearing two; 12-1-bearing cover; 12-2-bolt hole two; 13-wet clutch housing; 13-1-bolt hole three. DETAILED DESCRIPTION
[0019] The utility model relates to a commercial vehicle independent hybrid module of P2 architecture, characterized by a special-shaped P2 module shell 1, which is provided with a center cavity 1-1, the left side of the center cavity 1-1 is fixedly connected with a transmission and a dry clutch shell through bolt hole one 1-6 and constitutes a flywheel cavity 1-2, and the right side is connected with an engine shell through bolt hole one 1-6 and constitutes a wet clutch shell cavity 1-3, and the wet clutch shell cavity 1-3 is provided with a wet clutch cavity 1-4; the upper left side of the P2 module shell 1 is fixedly connected with a wiring terminal shell 1-5-1 and a shell upper cover 1-5-2 through bolt one 1-5-3, and the middle part constitutes a motor wiring terminal cavity 1-5, and the right wall of the motor wiring terminal cavity 1-5 is provided with a threading hole 1-5-4; the lower part of the P2 module shell 1 is fixedly connected with an oil pan 5 of an oil pump 4 and a hydraulic control module 6 and constitutes a lower cavity 5-1 with the P2 module shell 1; the center cavity 1-1 is provided with a motor 9, the flywheel cavity 1-2 is provided with a flywheel 10, the wet clutch shell cavity 1-3 is fixedly connected with a wet clutch shell 13 through bolt hole three 13-1, the wet clutch shell 13 constitutes a wet clutch cavity 1-4 with the P2 module shell 1, and the wet clutch cavity 1-4 is provided with a wet clutch 2; the left wall of the center cavity 1-1 of the P2 module shell 1 is provided with bearing one 11, the right wall is provided with bearing two 12, the output shaft 8 of the motor 9 is arranged between the two bearings, the output shaft 8 is provided with a disc at both ends, and the left side of the shaft is a cavity core; a position sensor 7 is arranged on the end cover of the inner side of bearing one 11; the outer side of bearing two 12 is provided with a bearing cover 12-1 through bolt hole two 12-2. The flywheel 10 is fixed on the disc of the output shaft 8 through bolt hole in the middle of the flywheel 10 in the flywheel cavity 1-2 of the P2 module shell 1. The right end of the lower cavity 5-1 in the oil pan 5 is provided with an oil pump 4, and the left side is provided with a hydraulic control module 6. The motor wiring terminal cavity 1-5 in the wiring terminal shell 1-5-1 is provided with motor wiring terminals 9-1. The wet clutch cavity 1-4 in the wet clutch shell 13 is provided with a wet clutch 2, and the left end of the wet clutch 2 is connected with the disc of the right end of the input shaft 3 in a spline mode.
Claims
1. A P2 architecture commercial vehicle independent hybrid module, characterized in that The application discloses a special-shaped P2 module shell (1) which is provided with a central cavity (1-1) in the middle, the left side of the central cavity (1-1) is fixedly connected with a transmission and a dry clutch shell through bolt holes (1-6) and forms a flywheel cavity (1-2), the right side is connected with an engine shell through bolt holes (1-6) and forms a wet clutch shell cavity (1-3), and the wet clutch shell cavity (1-3) is provided with a wet clutch cavity (1-4); the upper left side of the P2 module shell (1) is fixedly connected with a terminal block shell (1-5-1) and a shell upper cover (1-5-2) through bolt (1-5-3) and forms a motor terminal block cavity (1-5), and the right wall of the motor terminal block cavity (1-5) is provided with a threading hole (1-5-4); the lower part of the P2 module shell (1) is fixedly connected with an oil pump (4) and an oil pan (5) of a hydraulic control module (6) and forms a lower cavity (5-1) with the P2 module shell (1); the central cavity (1-1) is provided with a motor (9), and the flywheel cavity (1-2) is provided with a flywheel (10); the wet clutch shell cavity (1-3) is fixedly connected with a wet clutch shell (13) through bolt holes (13-1), the wet clutch shell (13) and the P2 module shell (1) form the wet clutch cavity (1-4), and the wet clutch cavity (1-4) is provided with a wet clutch (2).
2. The P2 architecture commercial vehicle independent hybrid module according to claim 1, characterized in that The left wall of the central cavity (1-1) of the P2 module shell (1) is provided with a bearing (11), the right wall is provided with a bearing (12), and the output shaft (8) of the motor (9) is arranged between the two bearings, the output shaft (8) is provided with a disc at both ends, and the left side of the middle of the shaft is a cavity core; a position sensor (7) is arranged on the end cover of the inner side of the bearing (11); the outer side of the bearing (12) is provided with a bearing cover (12-1) through bolt holes (12-2).
3. The P2 architecture commercial vehicle independent hybrid module of claim 1, wherein The flywheel (10) is fixed on the disc of the output shaft (8) through bolt holes in the middle of the flywheel (10) in the flywheel cavity (1-2) of the P2 module shell (1).
4. The P2 architecture commercial vehicle independent hybrid module of claim 1, wherein The right end of the lower cavity (5-1) in the oil pan (5) is provided with an oil pump (4), and the left side is provided with a hydraulic control module (6).
5. The P2 architecture commercial vehicle independent hybrid module of claim 1, wherein The motor terminal block cavity (1-5) in the terminal block shell (1-5-1) is provided with a motor terminal block (9-1).
6. The P2 architecture commercial vehicle independent hybrid module of claim 1, wherein The wet clutch cavity (1-4) in the wet clutch shell (13) is provided with a wet clutch (2), and the left end of the wet clutch (2) is connected with the disc of the right end of an input shaft (3) through a spline.
Citation Information
Patent Citations
Commercial vehicle independent hybrid module of P2 architecture
CN218472950U