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Distributed arrangement structure of power battery box group for four-in-wheel-motor driving electric automobile

An in-wheel motor and power battery technology, which is applied to electric power units, power units, vehicle components, etc., can solve the problem of affecting the cruising range of electric vehicles stored in power batteries, inconvenient for the design of the thermal management system of the whole vehicle, and the handling stability of the whole vehicle. Adverse effects and other problems, to achieve the effect of reasonable and feasible layout plan, improved assembly and safety, and flexible layout

Active Publication Date: 2015-12-09
BEIJING INSTITUTE OF TECHNOLOGYGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, the layout of the power battery is partly distributed, and multiple batteries are fixed in the front cabin, under the body floor, and in the space available for the trunk light. This form is not convenient for installing and removing the battery pack.
At the same time, the ambient temperature of the battery in the trunk is different from that of the battery under the body floor, which is not convenient for the design of the vehicle's thermal management system
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] In addition, the power battery is arranged under the body floor, which needs to meet the layout requirements of other systems of the vehicle, so that the volume of the power battery is greatly restricted, especially in order to ensure the reasonable minimum ground clearance of the vehicle, the height of the power battery is limited Limitation, height This has a great impact on the volume of the entire power battery, which in turn affects the energy stored in the power battery and the cruising range of electric vehicles

Method used

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  • Distributed arrangement structure of power battery box group for four-in-wheel-motor driving electric automobile
  • Distributed arrangement structure of power battery box group for four-in-wheel-motor driving electric automobile
  • Distributed arrangement structure of power battery box group for four-in-wheel-motor driving electric automobile

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Embodiment Construction

[0048] In the description of the present invention, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "inner", "outer" etc. indicate orientation or positional relationship Based on the orientation or positional relationship shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation of the invention.

[0049] In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly indicating the number of indicated technical features.

[0050] The arrangement structure of a distributed four-wheel in-wheel motor-driven electric vehicle power battery pack o...

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Abstract

The invention provides a distributed arrangement structure of a power battery box group for a four-in-wheel-motor driving electric automobile. The battery box comprises a closed space defined by a front floor, a rear floor, a left doorsill beam, a right doorsill beam, upper floors and a lower floor. According to parameters of an ergonomic arrangement requirement, an auto body structure, a seat mounting structure and arrangement requirements of battery cells and electric components inside power batteries, battery packs are designed to be laid between the upper floors and the lower floor, so that according to the lower bottom surfaces of the battery packs, a finished automobile minimum ground clearance is ensured, and longitudinal passing angles can meet related requirements of finished automobile design. Through reasonable arrangement and a simply fixing manner, a maximum power volume is ensured, the utilization rate of interior spaces of the power batteries is ensured, and reasonable distribution of load of both a front axle and a real axle of the finished automobile is facilitated; in addition, the strength of a connection structure of the power battery pack and the auto body is high, the stability of the power battery packs is improved, and stable operation of the automobile is facilitated.

Description

technical field [0001] The invention relates to the technical field of electric vehicles, in particular to a distributed four-wheel in-wheel motor-driven electric vehicle power battery and an optimal layout formed in the vehicle. Background technique [0002] At present, with the sustainable development of the global automobile industry facing the huge challenges of energy and environmental issues, people have begun to study the use of electric motors instead of gasoline engines to manufacture electric vehicles. Due to the limitations of existing models, pure electric vehicles modified by traditional vehicles lead to unreasonable layout of vehicle parts, difficulty in system matching, large body weight, and small effective passenger space, which cannot give full play to the advantages of electric vehicles; The frame structure of pure electric vehicles is too simple, the overall structure of the frame has low rigidity, poor safety, and it is difficult to meet the requirements...

Claims

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Application Information

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IPC IPC(8): B60K1/04
Inventor 王震坡曲昌辉
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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