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Alpine region new energy automobile lithium battery heat management system

A new energy vehicle and thermal management system technology, applied in the field of new energy vehicle lithium battery thermal management system, can solve problems such as difficult installation, low reliability, complex piping system, etc., to improve overall performance and increase cruising range , Improve the effect of the working environment

Inactive Publication Date: 2018-06-29
CHANGCHUN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] This set of thermal management system has the following disadvantages: the piping system is complex, processing and manufacturing are difficult, installation is difficult, thermal management effect is not obvious, the cost is high, the reliability is not strong, and the practicability is not strong

Method used

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  • Alpine region new energy automobile lithium battery heat management system
  • Alpine region new energy automobile lithium battery heat management system
  • Alpine region new energy automobile lithium battery heat management system

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Embodiment Construction

[0018] The embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings: The lithium battery thermal management system for new energy vehicles in the alpine region includes a lithium battery pack, a heating system, a control system, and a working fluid. Such as figure 1 As shown, the lithium battery pack is composed of lithium batteries 1-1 connected in parallel and an incubator 1-2; the heating system is composed of a liquid storage barrel 2-1, a pump body 2-2, and a heater 2-3; The control system is composed of a motor speed sensor 3-1 and an ECU 3-2; the lithium battery pack is connected to the liquid storage tank 2-1 and the heater 2-3 of the heating system by pipes, and the working fluid is in the liquid storage tank formed by the lithium battery pack and the heating system. flow in the circuit; as figure 2 As shown, the lithium battery 1-1 is composed of a battery cell 1-1-1, a heat conducting sheet 1-1-2, a batte...

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Abstract

The invention discloses an alpine region new energy automobile lithium battery heat management system. The alpine region new energy automobile lithium battery heat management system comprises a lithium battery pack, a heating system, a control system and a working solution. Aluminum alloy serves as a heat-conducting sheet, the working solution serves as a heat-conducting medium, and the temperature of the working liquid is transmitted to the heat-conducting sheet and then is transmitted to the core of the lithium battery through the heat-conducting sheet, so that management on the temperatureof the lithium battery is realized. By the set of system, the lithium battery is stilled maintained to be at the optimal working temperature. In addition, when the control system detects that the rotating speed of a motor is zero and the temperature of the lithium battery is too low, ECU controls the heating system to work intermittently, so that an automobile can start rapidly. The alpine regionnew energy automobile lithium battery heat management system is simple in structure, safe, reliable, low in cost and high in practicability, and can accelerate the use of the electric automobile in the alpine region.

Description

technical field [0001] The invention relates to a thermal management system for a battery, in particular to a thermal management system for a lithium battery of a new energy vehicle in an alpine region. Background technique [0002] As the main energy storage device of electric vehicles, lithium battery pack is a key component of electric vehicles, and its performance directly affects the performance of electric vehicles. In the low temperature environment, the battery life of electric vehicles is shortened mainly because the extremely low temperature will affect the activity of lithium compounds. However, under low temperature conditions, the activity of these compounds is weakened, and the charging and discharging efficiency is reduced, which reduces the battery life of electric vehicle lithium batteries, causing difficulty in starting the vehicle, lack of power, and even failure to drive normally. It is an efficient way to control the temperature of the battery by contro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/10H01M10/615H01M10/617H01M10/625H01M10/637H01M10/653H01M10/6554H01M10/6556H01M10/6557H01M10/6568H01M10/658B60L11/18H01M50/253
CPCH01M10/615H01M10/617H01M10/625H01M10/637H01M10/653H01M10/6554H01M10/6556H01M10/6557H01M10/6568H01M10/658B60L58/27H01M50/20Y02T10/70Y02E60/10
Inventor 李绍松李政王国栋张军武广鑫荣耀刘秀峰孙会双张晋任海波
Owner CHANGCHUN UNIV OF TECH
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