CN108574126A - 动力电池快速冷却*** - Google Patents

动力电池快速冷却*** Download PDF

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CN108574126A
CN108574126A CN201710139922.4A CN201710139922A CN108574126A CN 108574126 A CN108574126 A CN 108574126A CN 201710139922 A CN201710139922 A CN 201710139922A CN 108574126 A CN108574126 A CN 108574126A
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temperature
fan
draft
force
battery
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何戴勇
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/61Types of temperature control
    • H01M10/613Cooling or keeping cold
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/61Types of temperature control
    • H01M10/615Heating or keeping warm
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/62Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625Vehicles
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/63Control systems
    • H01M10/635Control systems based on ambient temperature
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/63Control systems
    • H01M10/637Control systems characterised by the use of reversible temperature-sensitive devices, e.g. NTC, PTC or bimetal devices; characterised by control of the internal current flowing through the cells, e.g. by switching
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/656Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6561Gases
    • H01M10/6563Gases with forced flow, e.g. by blowers
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Automation & Control Theory (AREA)
  • Secondary Cells (AREA)

Abstract

本发明公开了一种动力电池快速冷却***,其主要技术特征是:根据不同的环境温度自动采取不同的冷却方案,包括用增压风扇来增加气流流通速度,用半导体制冷器来降低气流温度,以快速有效的方式实现对动力电池的冷却。

Description

动力电池快速冷却***
技术领域
本发明涉及一种快速降温***,特别是指一种动力电池快速冷却***。
背景技术
随着电动汽车的普及,快速充电对电池来说迫在眉睫,但快速充电所产生的高温,非常容易引发电池爆燃事故,特别是在夏天,如果汽车在户外太阳直射的情况下充电,本身车内温度就高达六七十度,再加上电池充电产生的热量,使得电池爆燃的情况更加突出。且现有的电池降温***不是结构复杂就是效果不明显,使得在实际应用中不能推广。
发明内容
本发明的目的在于克服高温对电池快速充电产生影响而提供的一种结构简单、成本低,且能起到快速降温的冷却***。
本发明是通过如下技术方案来实现的:一种动力电池快速冷却***,包括增压风扇、半导体制冷器、减震垫、气腔、控制器、温度传感器;所述增压风扇设置于气腔前,与气腔通过气管相连,气腔内的高压气体通过出气孔穿过气腔、减震垫、半导体制冷器冷端(热端)后快速喷向电池组,带动电池组内高温气体迅速排出;所述半导体制冷器是在增压风扇不足以快速降温,温度超过某个警戒点的时候启动,启动后在高压气体的推送下,冷空气迅速流动排出,使电池温度快速降低;在某些寒冷地区,当电池温度过低的时候,增压风扇不运行,半导体制冷器切换电流方向,使电池组内的一端制热,以达到给电池升温的目的;电池组内设置温度传感器,温度传感器检测到的温度实时传给控制器,由控制器来控制增压风扇及半导体制冷器的开关。
所述的增压风扇、半导体制冷器通过芯片控制,以组合方式给电池组快速降温。
所述的半导体制冷器在低温情况下***能够逆转成为加温设备。
所述的气流通行路线采用如说明书附图所示的基本结构。
本发明结构简单,成本低。当温度超过某个警戒点的时候,控制芯片启动增压风扇,高压气体加速了空气的流通,使得电池组内部的温度降低;当高速气体不足以平衡电池组产生的热量,使得电池组内部的温度继续升高,则控制芯片启动半导体制冷器,半导体制冷器通过热电效应,使电池组内的一端制冷,冷气在高压气体的推送下,迅速穿过电池组排出,使电池组温度快速降低。
附图说明
说明书附图1为本发明的结构示意图
具体实施方式
如附图所示,增压风扇设置于气腔前,与气腔通过气管相连,当温度超过某个警戒点的时候,控制芯片启动增压风扇,气腔内的高压气体通过出气孔穿过气腔、减震垫、半导体制冷器冷端(热端)后快速喷向电池组,带动电池组内高温气体迅速排出;在增压风扇不足以快速降温,温度超过另一警戒点的时候,控制芯片启动半导体制冷器,使电池组内的一端制冷,在高压气体的推送下,冷空气迅速流动排出,使电池温度快速降低;在某些寒冷地区,当电池温度过低的时候,增压风扇不运行,半导体制冷器切换电流方向,使电池组内的一端制热,因为底部出气孔小,热量损失很小,加热后的空气通过对流往上升,以达到给电池升温的目的;电池组内设置温度传感器,温度传感器检测到的温度实时传给控制器,由控制器来控制增压风扇及半导体制冷器的开关。

Claims (4)

1.一种动力电池快速冷却***,其特征在于,包括:增压风扇、半导体制冷器、减震垫、气腔、控制器、温度传感器;所述增压风扇设置于气腔前,与气腔通过气管相连,气腔内的高压气体通过出气孔穿过气腔、减震垫、半导体制冷器冷端(热端)后快速喷向电池组,带动电池组内高温气体迅速排出;所述半导体制冷器是在增压风扇不足以快速降温,温度超过某个警戒点的时候启动,启动后在高压气体的推送下,冷空气迅速流动排出,使电池温度快速降低;在某些寒冷地区,当电池温度过低的时候,增压风扇不运行,半导体制冷器切换电流方向,使电池组内的一端制热,以达到给电池升温的目的;电池组内设置温度传感器,温度传感器检测到的温度实时传给控制器,由控制器来控制增压风扇及半导体制冷器的开关。
2.根据权利要求1所述的一种动力电池快速冷却***,其特征在于,由高压气体、半导体制冷器通过芯片控制,组合给电池组快速降温。
3.根据权利要求1所述的一种动力电池快速冷却***,其特征在于,在低温情况下***能够逆转成为加温设备。
4.根据权利要求1所述的一种动力电池快速冷却***,其特征在于,如说明书附图所示的气流通行方案。
CN201710139922.4A 2017-03-10 2017-03-10 动力电池快速冷却*** Withdrawn CN108574126A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110061321A (zh) * 2019-03-20 2019-07-26 广东机电职业技术学院 一种基于热电与涡流管的动力电池热管理***

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2665947Y (zh) * 2003-09-05 2004-12-22 比亚迪股份有限公司 动力锂离子二次电池组
CN205811011U (zh) * 2016-06-23 2016-12-14 广东工业大学 一种双向流电池热管理***
CN106410315A (zh) * 2016-06-23 2017-02-15 广东工业大学 一种双向流电池热管理***及电池热调节方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2665947Y (zh) * 2003-09-05 2004-12-22 比亚迪股份有限公司 动力锂离子二次电池组
CN205811011U (zh) * 2016-06-23 2016-12-14 广东工业大学 一种双向流电池热管理***
CN106410315A (zh) * 2016-06-23 2017-02-15 广东工业大学 一种双向流电池热管理***及电池热调节方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110061321A (zh) * 2019-03-20 2019-07-26 广东机电职业技术学院 一种基于热电与涡流管的动力电池热管理***

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