Closed electric vehicle battery box
A closed-type technology for electric vehicles, used in electric vehicles, vehicle energy storage, secondary batteries, etc., can solve problems such as high-level protection requirements that cannot meet the dust-proof and waterproof requirements of battery boxes, cooling water leakage, and complex structures. , to achieve the effect of simple components, high dust resistance and low price
Inactive Publication Date: 2017-10-17
镇江金杯新能源发展有限公司
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- Application Information
AI Technical Summary
Problems solved by technology
However, in this air-cooling method, there is material exchange between the inside of the box and the surrounding environment, which cannot meet the high-level protection requirements of the battery box against dust and water.
Water cooling method, complex structure, high cost, and the risk of cooling water leakage
Method used
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Embodiment 1
[0011] Such as figure 1 As shown, the closed electric vehicle battery box provided in this embodiment includes external fins 1, battery management system 2, internal fins 3, fan 4, battery pack 5, and battery box 6; the battery box 6 is a closed Type box; the cross-sectional shape and cross-sectional area of the external fin 1 and the internal fin 3 are the same, the center line is consistent, and the length of the internal fin 3 is twice that of the external fin 1; the fan 4 and the battery management system 2 are distributed symmetrically On both sides of the internal fins 3; the battery management system 2 controls the working status of the fan 4 in real time according to the temperature inside and outside the battery box 6 and the running conditions of the vehicle monitored by it, so as to realize active thermal management.
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The invention discloses a closed electric vehicle battery box which comprises a battery box body, outside and inside fins arranged on the battery box body, a fan, a battery management system and a battery pack. The battery box body is closed, and the fan and the battery management system are arranged on two sides of the inside fins; the battery management system controls working state of the fan in real time according to temperature in the battery pack monitored by the battery management system to realize active heat management. The closed electric vehicle battery box can realize simple switching between heating and refrigerating of the battery pack inside the electric vehicle battery box, can realize high dustproof and waterproof grades, has an active heat management and control function and is simple in part, convenient to mount and low in cost.
Description
1. Technical field [0001] The invention belongs to the technical field of power battery packs for electric vehicles, and relates to a closed electric vehicle battery box. 2. Background technology [0002] Lithium-ion power battery pack is one of the core components of electric vehicles, and its performance directly affects the performance of the vehicle. Lithium-ion power battery packs can only perform well when working in a suitable temperature range (generally 20-40°C), but in severe winter conditions, the power battery system needs to work in a lower temperature environment , when the battery pack is working below zero, its performance will be greatly reduced, and measures need to be taken to heat the power battery pack; in hot summer conditions, the lithium-ion power battery pack will generate heat during work, which is affected by the inside of the battery box. Due to the limitation of space, the heat cannot be dissipated in time, which can easily cause the temperature...
Claims
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Patent Timeline
Login to View More IPC IPC(8): H01M10/613H01M10/615H01M10/625H01M10/635H01M10/6551H01M10/6563H01M2/10B60L11/18
CPCB60L58/26B60L58/27H01M10/613H01M10/615H01M10/625H01M10/635H01M10/6551H01M10/6563H01M50/20H01M50/24Y02E60/10Y02T10/70
Inventor 苑新胜
Owner 镇江金杯新能源发展有限公司