一种一体化集成动力系统
By directly connecting the engine crankshaft to the motor rotor shaft and installing rubber damping sheets and cooling water channels, the integration problem of the range-extended electric vehicle power system is solved, achieving system compactness, lightweighting, and energy recovery, thereby improving the vehicle's range and energy efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Filing Date
- 2025-10-09
- Publication Date
- 2026-07-17
AI Technical Summary
In the existing power systems of range-extended electric vehicles, the connection between the methanol engine and the axial flux motor cannot achieve efficient and compact integration, resulting in problems such as long axial length, heavy weight, efficiency loss, and high cost.
The integrated power system directly connects the engine crankshaft and the motor rotor shaft through flanges, and fixes them with bolts and nuts. Rubber damping plates are installed between the flanges. Combined with cooling water channels and radiators, it realizes stable operation of the engine and motor and energy recovery.
It significantly shortens the axial length of the system, reduces system weight, increases mass power density, reduces vibration, extends driving range, and enables energy recovery and utilization, thereby improving the overall vehicle energy efficiency.
Smart Images
Figure CN224510862U_ABST
Abstract
Claims
1. An integrated power system, characterized by: The device includes a motor (1) and a methanol engine (2). The motor rotor shaft (3) of the motor (1) is welded with a first flange (6), and the crankshaft (4) of the methanol engine (2) is welded with a second flange (7). The first flange (6) and the second flange (7) are fixed to each other by multiple sets of bolts (8) and nuts (17).
2. An integrated power system according to claim 1, wherein: The first flange (6) has an outer stop (18) on the mating surface with the second flange (7), the second flange (7) has an inner stop (11) on the mating surface with the first flange, and a rubber damping sheet (15) is provided on the opposite side of the first flange (6) and the second flange (7).
3. An integrated power system as in claim 1, wherein: A washer (16) is provided at the mating point between the nut (17) and the bolt (8).
4. An integrated power system as in claim 1, wherein: The outer ring surfaces of the first flange (6) and the second flange (7) are provided with gears (14) for outputting mechanical work outward.
5. An integrated power system as in claim 2, wherein: The first flange (6) and the second flange (7) are each integrally formed with the gear (14) on the outer ring.
6. An integrated power system as in claim 1, wherein: The methanol engine (2) has a methanol fuel preheater (19) fixedly connected to the outlet of the cooling water channel. The other end of the methanol fuel preheater (19) is fixed to a connecting pipe (9) by bolts. The other end of the connecting pipe (9) is connected to the outlet of the cooling water channel of the motor (1).
7. An integrated power system as in claim 1, wherein: The cooling channel outlet of the motor (1) is connected to a radiator (10), and the cooling water outlet of the radiator (10) is connected to the cooling water inlet of the methanol engine (2) and the cooling water inlet of the motor (1).
8. The integrated power system according to claim 6, characterized in that: The methanol engine (2) has a second support frame (13) fixed to its side by bolts, and the connecting pipe (9) passes through and is fixed to the inner wall of the second support frame (13).
9. The integrated power system according to claim 1, characterized in that: The motor (1) has motor mounting brackets (5) fixedly installed on both sides of the bottom by bolts.
10. An integrated power system according to claim 9, wherein: The motor mounting bracket (5) has a first support bracket (12) fixedly mounted on its surface by bolts, and the top of the first support bracket (12) is snapped into the connecting pipe (9).