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Battery box device and electric automobile with same

A battery box and battery module technology, applied in electric vehicles, electric vehicle charging technology, battery/battery traction, etc., can solve the problem of large temperature difference of the battery core, and achieve the effect of avoiding temperature difference and simple structure

Pending Publication Date: 2021-06-29
ZHUHAI YINLONG ELECTRICAL APPLIANCES +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The main purpose of the present invention is to provide a battery box device and an electric vehicle with it, so as to solve the problem of large temperature difference between the windward side and the leeward side of the battery pack in the prior art

Method used

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  • Battery box device and electric automobile with same
  • Battery box device and electric automobile with same
  • Battery box device and electric automobile with same

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Embodiment Construction

[0036] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0037] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof.

[0038] It should be noted that the terms "first" and "second" in the description and claims of the present application and the above drawings are used to distinguish simila...

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Abstract

The invention provides a battery box device and an electric automobile with the same. The battery box device comprises a shell, wherein the shell is provided with an accommodating cavity; the battery module is arranged in the accommodating cavity, a first air inlet and an air outlet are formed in the side wall of the accommodating cavity, a second air inlet is formed in the top of the accommodating cavity, a first cooling channel and a second cooling channel are formed between the outer surface of the battery module and the side wall of the containing cavity, and the inlet end of the first cooling channel is communicated with the first air inlet. The inlet end of the second cooling channel is communicated with the second air inlet; and the fan part is connected with the shell, and is used for introducing air flow outside the shell into the shell through the first air inlet and the second air inlet to perform heat exchange with the battery module, and discharging the air flow out of the shell through the air outlet. By adopting the technical scheme of the invention, the temperature of the battery module is always in a balanced state, and the condition of temperature difference of the temperature of the battery module is effectively avoided. The battery box device is simple and reliable in structure.

Description

technical field [0001] The invention relates to the technical field of electric vehicle equipment, in particular to a battery box device and an electric vehicle equipped with the same. Background technique [0002] Air cooling is one of the commonly used cooling methods for power battery boxes. The cooling effect is between natural cooling and liquid cooling. It is suitable for battery boxes with low power and low charge and discharge rates. Compared with liquid cooling, its main advantage is the structural configuration Simple, light system weight, low process cost, no risk of leakage. However, due to the congenital deficiency of low air density and low thermal conductivity, it is easy to absorb heat and reach saturation during convective heat transfer. For long modules in series for heat dissipation, it is easy to cause insufficient heat dissipation of the cells on the leeward side of the module. The problem of large core temperature difference. Contents of the inventio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/613H01M10/625H01M10/617H01M10/6563H01M50/24H01M50/249H01M50/258B60L50/64
CPCB60L50/64H01M10/613H01M10/617H01M10/625H01M10/6563Y02E60/10Y02T10/70Y02T90/16
Inventor 徐长成荆振洋孙丰涛汪高峰吴超江金源
Owner ZHUHAI YINLONG ELECTRICAL APPLIANCES
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