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Battery pack and vehicle with same

A technology of a battery pack and a battery module, which is applied in the field of a battery pack and a vehicle having the same, can solve the problems of the reduced strength of the box cover, the low degree of improvement of the first-order mode of the box cover, and the difficulty in satisfying the air tightness of the box cover, etc. Achieve the effect of improving the first-order mode, reducing the amplitude and abnormal noise

Pending Publication Date: 2020-11-17
KUNSHAN BAOTRON NEW ENERGY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method can improve the first-order mode, but the airtightness of the box cover is difficult to be satisfied, and the strength of the box cover is reduced
Second, add ribs or optimize the shape of the box cover, but this method has a low degree of improvement in the first-order mode of the box cover

Method used

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  • Battery pack and vehicle with same
  • Battery pack and vehicle with same
  • Battery pack and vehicle with same

Examples

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Embodiment Construction

[0037] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0038] The following describes a battery pack 100 according to an embodiment of the present invention with reference to the accompanying drawings.

[0039] refer to figure 1 , the battery pack 100 according to the embodiment of the first aspect of the present invention includes: a case 1 , a cover 2 and a battery module 3 .

[0040] Specifically, the cover body 2 is closed on the box body 1, so that an accommodating space can be defined between the box body 1 and the cover body 2; the battery module 3 can be arranged in the accommodatin...

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Abstract

The invention discloses a battery pack and a vehicle with same. The battery pack comprises a box body; a cover body, wherein the box body is covered with the cover body, so that a containing space isdefined between the box body and the cover body; a battery module which is arranged in the accommodating space; wherein the cover body is provided with an anti-vibration piece, and the anti-vibrationpiece is at least arranged at the maximum vibration mode area of the cover body. According to the battery pack disclosed by the invention, the anti-vibration part is at least arranged in the area withthe maximum vibration mode of the cover body, so that the first-order mode of the cover body is improved, the amplitude and abnormal sound of the cover body are reduced, the shape of the cover body is not changed, and the air tightness of the battery pack is not influenced.

Description

technical field [0001] The invention relates to the technical field of batteries, in particular to a battery pack and a vehicle with the same. Background technique [0002] In related technologies, during the driving process of the whole vehicle, the excitation vibration caused by unbalanced wheels and uneven road surface generally has a frequency between 1-30 Hz. And when the vehicle speed is less than 150km / h, the excitation frequency caused by the unbalanced wheel is less than 21Hz. When the frequency of the external exciting force is close to the first-order natural frequency of the battery pack, the battery pack system will resonate, which increases the frequency of failures of the battery pack system. In order to avoid resonance during vehicle driving, the first-order natural frequency of the battery pack needs to be controlled above 35Hz. [0003] Because the first-order mode and vibration shape of the battery pack system are mostly on the box cover, when the first-...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60K1/04B60R16/04H01M2/10
CPCB60K1/04B60R16/04
Inventor 任凯奇冯帅赵亮
Owner KUNSHAN BAOTRON NEW ENERGY TECH CO LTD
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