A0-grade pure electric car power battery arrangement scheme

Abstract

The invention provides an A0-grade pure electric car power battery arrangement scheme. A power battery and an installing structure of the power battery are arranged under a vehicle body floor, are positioned between left and right vertical beams and front and back suspension frames, and maintain reasonable gaps with the left and right vertical beams and the front and back suspension frames, and the space requirements of charging wire harnesses and braking oil pipes are met. According to parameters including the arrangement requirements of the man-machine engineering, the structure of a vehicle body lower floor, an installing structure of a chair, the arrangement requirements of internal battery cells of the power battery and the like, the structure is designed into the step-shaped structure with different heights that the front section of the battery is lower, and the back section of the battery is higher. A lower bottom surface is determined to ensure that the minimum ground clearance and the vertical passing angle of the whole vehicle meet the whole vehicle design relevant requirements. The A0-grade pure electric car power battery arrangement scheme has the advantages that the maximum size of the battery is ensured, the utilization rate of the internal space of the power battery is ensured, and the modification on the prototype vehicle is reduced to the maximum degree. The reasonable axial load distribution of the whole vehicle is ensured through the arrangement position of the power battery on the whole vehicle, so the vehicle has good operation stability, and the running safety of the vehicle is ensured.

Description

Technical field [0001] The invention relates to the technical field of electric vehicles, in particular to an A0-level pure electric car power battery and an optimal layout composed in the vehicle. Background technique [0002] The power battery is the power source of the electric vehicle and the energy storage device. Its capacity directly affects the cruising range of the electric vehicle. The amount of energy stored directly affects the cruising range of the vehicle. Under the premise of a certain battery energy density, its The size of the volume determines how much energy it stores, and different power battery layouts directly determine the size of its volume. The research of battery technology is one of the core technologies in the development of electric vehicles. In recent years, the development of new energy vehicles has become a hot spot due to the occurrence of the energy crisis and people’s increasing environmental requirements. [0003] At present, there are two main...

AI Technical Summary

Problems solved by technology

However, this form is inconvenient to install and remove the battery. At the same time, the ambient temperature of the battery in the trunk or front cabin is different from that of the battery under the body floor, which is not convenient for the design of the thermal management system of the vehicle.

In addition, if the battery is arranged separately in the front cabin or the trunk, it will cause uneven distribution of front and rear axle loads, which will have a negative impact on the handling stability of the vehicle.

[0006] Due to the limited volume of the power battery of the existing electric vehicle, the power battery stores less energy, resulting in a shorter mileage of the electric vehicle

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