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Hybrid power system

A hybrid system and engine technology, applied in hybrid vehicles, motor vehicles, electric vehicles, etc., can solve the problems of long start-up time, high start-up energy consumption, large motor load and impact, etc., to reduce wear and save synchronization. effect of time

Active Publication Date: 2010-06-16
BEIJING INSTITUTE OF TECHNOLOGYGY
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  • Summary
  • Abstract
  • Description
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Problems solved by technology

[0006] In order to solve the above-mentioned problems, the present invention proposes a new hybrid power system to overcome defects such as high energy consumption, long start-up time, and large motor load and impact of current hybrid vehicles, and improve the service life of the mode clutch and reduce the power consumption of the mode clutch. Energy consumption when disengaged, improving hybrid vehicle comfort, fuel economy and emissions

Method used

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Embodiment Construction

[0024] Such as image 3 As shown, in the hybrid power system of the present invention, the mode clutch is installed in such a way that the clutch friction disc 39 as a small inertia part is installed on the spline at one end of the adapter shaft 30 through the torsional shock absorber 32, and the adapter The other end of the shaft 30 is connected to the output end 33 of the engine crankshaft, and a release bearing 36 is arranged on the adapter shaft 30 on the side near the output shaft 33 of the engine crankshaft of the mode clutch. On the other side, the clutch pressure plate 38 is installed on the flywheel 31, so that the clutch pressure plate 38 and the flywheel 31 as a large inertia part have just been installed on the motor input shaft 35. Specifically, the flywheel is combined with the motor input shaft through a flat key or spline on its own structure, or connected with the motor input shaft through bolts. In order to bear the axial force, an angular contact bearing 34...

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Abstract

The invention relates to the field of parallel hybrid power automobiles, in particular to a hybrid power system of a parallel hybrid power automobile. The hybrid power system comprises an engine, a model clutch, a motor and a speed changer, wherein the model clutch comprises a flywheel and a clutch pressure plate used as a large inertia part and a clutch friction disc used as a small inertia part; the clutch friction disc used as the small inertia part is arranged at a crankshaft output end of the engine through a torsional vibration damper; the flywheel and the clutch pressure plate used as the large inertia part are arranged on an input shaft of the motor; and the input shaft of the motor is also provided with a bearing capable of bearing the axial force. By adopting the hybrid power system, the starting time and starting energy are greatly reduced when the engine is started, the impact is reduced, and the abrasion of the clutch is reduced.

Description

technical field [0001] The invention relates to the field of parallel hybrid electric vehicles, in particular to a hybrid power system of a parallel hybrid electric vehicle and a mode switching method thereof. Background technique [0002] The lack of energy and the serious pollution of the atmosphere by internal combustion engine vehicles have promoted the development of hybrid power systems. In terms of structure, a hybrid power system is composed of two or more power sources, which are generally an engine and a motor. The most common parallel hybrid system is to install a motor between the engine and the transmission. The motor can be used as an electric motor to start the engine or drive the vehicle, and can also be used as a generator to provide power for the power battery in regenerative braking or driving power generation mode. electrical energy. In this way, through a suitable control strategy, the hybrid power system can give full play to the advantages of the int...

Claims

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Application Information

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IPC IPC(8): H02K7/108H02K7/02H02K5/16
CPCY02E60/16Y02T10/6221Y02T10/62
Inventor 何洪文杨良会孙逢春
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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