Power system of extended range electric vehicle and electric vehicle with same

Abstract

The invention relates to a power system of an extended range electric vehicle, which comprises an energy storage device (5), a drive motor (6), a speed reducer (7), a transmission shaft (8) and wheels (9). The power system is characterized by further comprising a generator set (1), a mechanical / electric dual-mode air conditioner (3) and a control module (10), one end of the generator set (1) is in transmission connection with one end of the mechanical / electric dual-mode air conditioner (3) through a transmission device, and the control module (10) controls changeover of power sources and switching of operating modes of the mechanical / electric dual-mode air conditioner (3). By the aid of the power system, the endurance mileage of the electric vehicle can be increased, an air conditioning compressor can be driven to provide a refrigerating function, and comfortableness of the pure electric vehicle can be improved.

Description

Technical field [0001] The invention belongs to the technical field of automobile driving devices, and particularly relates to a power system of an extended-range electric automobile and an electric automobile assembled with it. Background technique [0002] With the consumption of non-renewable resources such as petroleum and the rapid development of the automobile industry, the global car ownership has increased rapidly, but the environmental pollution caused by automobile exhaust is also becoming more and more serious. As people pay more and more attention to environmental protection, New energies such as electric vehicles and solar vehicles have gradually come into people’s field of vision with their green, environmentally friendly, clean and pollution-free. This is an electric vehicle that can be applied on a large scale, and many auto companies have even given up on the development of electric vehicles. [0003] The investigation found that the two main factors affecting the...

AI Technical Summary

Problems solved by technology

Pure electric vehicles use electric motors as driving devices, and are powered by on-board power batteries or other capacity storage devices. At present, the energy storage devices on pure electric vehicles are mainly lithium-ion power batteries, but due to the characteristics of lithium-ion battery materials, it is severely limited. The driving range of pure electric vehicles and the life of power batteries

Moreover, due to the very weak infrastructure such as charging stations, the rapid charging and quick replacement technology of power batteries has not yet made a breakthrough, which restricts the large-scale marketization of pure electric vehicles

[0004] In addition, in pure electric vehicles, as the only energy provider, the energy storage device not only provides energy for the drive system, but also provides energy for the vehicle electrical appliances such as the air conditioning system, and the air conditioning system is often very energy-consuming. Under the condition of comfort, it seriously affects the driving range of pure electric vehicles

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