Power system of mixed power automobile and control method thereof

A hybrid electric vehicle and power system technology, applied in the field of hybrid electric vehicles, can solve problems such as integrated design, complex system matching, difficult control, and complex system, and achieve light weight, high driving flexibility, and high system efficiency. Effect

Inactive Publication Date: 2009-09-02
CHERY AUTOMOBILE CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, since the hybrid system itself requires a specially matched engine and a specially designed and manufactured gearbox, there are 3 high-power motors in the whole vehicle

Method used

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  • Power system of mixed power automobile and control method thereof

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Embodiment Construction

[0019] Introduce the application of the present invention on the hybrid vehicle and the effect produced below in conjunction with accompanying drawing.

[0020] The system provided by the invention is applied to a four-wheel-drive hybrid vehicle. The system mainly includes rear motor drive system, integrated starter generator drive system (ISG drive system), power battery, battery management system (BMS), vehicle controller (VMS), inverter, DC-DC, vehicle CAN network, and electrical equipment such as electric air conditioners, electric steering, and electric vacuum. The rear motor drive system consists of rear motor, reducer, differential, and rear motor controller (rear MCU); the ISG drive system consists of engine, front motor, gearbox, front differential, and front motor controller (front MCU) constitute.

[0021] The rear motor, reducer, and rear differential in the rear motor drive system are mechanically connected to form the rear drive powertrain, and the rear motor i...

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Abstract

The invention discloses a power system of a mixed power automobile and a control method thereof. The power system comprises a rear electric motor drive system, an integrated type starting generator drive system, a power supply system and a control system; the rear electric motor drive system comprises a rear electric motor, a speed reducer, a differential and a rear electric motor controller and separately drives rear wheels; the integrated starting generator drive system comprises an engine, a front electric motor, a gear box, a front differential and a front electric motor controller; as the nose cabin power assembly, the power system can work under the integrated starting generator drive mode, the pure electric drive mode, the regenerative braking mode or the four-wheel drive mode. The invention omits the middle drive device in a traditional four-wheel drive vehicle, has higher drive flexibility, can reduce the automobile weight, not only can meet the requirements of a SUV vehicle for the complete-vehicle power performance, trafficability characteristic and the like, but also can achieve the purposes of energy saving and emission reduction.

Description

technical field [0001] The invention belongs to the field of hybrid electric vehicles, and in particular relates to a power system structure scheme of the hybrid electric vehicle, which achieves the goals of energy saving and emission reduction, improvement of driving pleasure, simplified mechanical structure, lightening of vehicle weight and easy realization. Background technique [0002] The current hybrid four-wheel drive system is composed of a hybrid hybrid system plus a rear motor drive system. According to the energy structure, hybrid cars can be divided into series hybrid, parallel hybrid and hybrid hybrid. Among the current industrialized cars, the parallel hybrid is represented by Honda CIVIC, and the hybrid hybrid is represented by Toyota Prius. [0003] At present, both the parallel type and the hybrid type hybrid are arranged in the form of front and front drive, and there are deficiencies in terms of power and passability. For example, the invention patent app...

Claims

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Application Information

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IPC IPC(8): B60K6/20B60K6/44B60L11/18B60L15/32B60W20/00B60W10/06B60W10/08B60W10/26
CPCY02T10/6243Y02T10/70B60L2260/28B60K6/448B60K6/52Y02T10/6265Y02T10/7005B60L11/18B60K2006/268B60L50/60Y02T10/62
Inventor 雍安娇
Owner CHERY AUTOMOBILE CO LTD
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