Electric vehicle, battery box body thereof, and battery box

A battery box and box body technology, which is applied in the direction of electric vehicles, battery/fuel cell control devices, batteries, etc., can solve problems such as the impact of battery box performance, reduce development cycle and cost, shorten production cycle, and ensure structural strength Effect

Pending Publication Date: 2019-03-01
HENAN SUDA ELECTRIC AUTOMOBILE TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The invention provides a battery box to solve the problem that the performance of the battery box is affected by the external environment temperature in the ex

Method used

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  • Electric vehicle, battery box body thereof, and battery box
  • Electric vehicle, battery box body thereof, and battery box
  • Electric vehicle, battery box body thereof, and battery box

Examples

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[0058] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0059] In an embodiment of the electric vehicle of the present invention, the electric vehicle includes a frame and a battery box arranged on the frame, such as Figure 1 to Figure 10 As shown, the battery box includes a battery box box body, the battery box box body includes a battery box box body, the battery box box body has a bottom plate assembly extending in the front and rear direction, and a cooling structure is provided on the bo...

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Abstract

The invention relates to an electric vehicle, a battery box body thereof, and a battery box. A cooling structure is arranged on a bottom plate assembly of the battery box and comprises two or more layers of hollow channels which are formed at intervals in vertical direction, the upper hollow channel forms a cooling channel used for allowing cooling liquid to circulate, and the lower hollow channelis filled with a thermal insulation material; and in the operating process of the battery box, the cooling liquid in the cooling channel can cool a battery module in the battery box. Meanwhile, the lower hollow channel is filled with the thermal insulation material, thus a thermal insulation layer is formed, heat in the external environment is prevented from being transmitted into the battery box, through the thermal insulation material, the heat in the external environment is prevented from influencing the cooling liquid, and the problem that properties of the battery box are influenced accordingly is solved; and after the bottom plate assembly is filled with the thermal insulation material, the weight of the bottom plate assembly can also be lowered obviously, hollow structures are arranged, and thus the structural strength of the bottom plate assembly can further be ensured.

Description

technical field [0001] The invention relates to an electric vehicle and its battery box body and battery box. Background technique [0002] With the vigorous development of electric vehicles, the market has higher and higher requirements for its cruising range, and it is imminent to increase the capacity of the battery box. At the same time, with the improvement of energy density, high-capacity batteries are constantly being developed and used, and the heat generated by the batteries is getting higher and higher. Excessive heat has an irreversible negative impact on the performance and life of the battery box. Seriously restrict the development of electric vehicles. Therefore, proper thermal management control and design of the battery box has become crucial, which has become another technical difficulty and core competitiveness after BMS. [0003] The cooling structure of the existing power battery system is generally to provide a cooling flow channel on the battery box b...

Claims

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Application Information

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IPC IPC(8): H01M2/10H01M10/613H01M10/625H01M10/6554H01M10/6556H01M10/6567H01M10/658B60L58/26H01M50/204
CPCH01M10/613H01M10/625H01M10/6554H01M10/6556H01M10/6567H01M10/658H01M2220/20H01M50/20Y02T10/70Y02E60/10
Inventor 焦阳赵栋梁李笑阳邹忠月张腾
Owner HENAN SUDA ELECTRIC AUTOMOBILE TECH
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