WO2019047254A1 - 一种电池包整车风道散热结构及散热方法 - Google Patents

一种电池包整车风道散热结构及散热方法 Download PDF

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Publication number
WO2019047254A1
WO2019047254A1 PCT/CN2017/101773 CN2017101773W WO2019047254A1 WO 2019047254 A1 WO2019047254 A1 WO 2019047254A1 CN 2017101773 W CN2017101773 W CN 2017101773W WO 2019047254 A1 WO2019047254 A1 WO 2019047254A1
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Prior art keywords
battery
battery pack
board
heat dissipation
string
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PCT/CN2017/101773
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English (en)
French (fr)
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周峰
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江苏公爵新能源汽车有限公司
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Publication of WO2019047254A1 publication Critical patent/WO2019047254A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/64—Constructional details of batteries specially adapted for electric vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/653—Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
    • H01M10/6557—Solid parts with flow channel passages or pipes for heat exchange arranged between the cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6561—Gases
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the invention relates to the technical field of heat dissipation of a battery pack for a vehicle, in particular to a heat dissipation structure and a heat dissipation method for a vehicle package air duct.
  • the battery pack for electric vehicles is composed of a plurality of single cells or supercapacitors in series and parallel according to the load requirements of the electric vehicle, and then a plurality of modules are connected in series and in parallel to form a battery pack of a certain voltage and capacity, and placed in a sealed box body. Form a battery pack.
  • Battery pack cooling technology is a big problem in the electric vehicle industry. The performance and service life of the battery pack are closely related to the operating temperature of the battery. Therefore, the heat dissipation of the battery pack is an unavoidable problem.
  • Current battery pack cooling technology is a big problem in the electric vehicle industry. The performance and service life of the battery pack are closely related to the operating temperature of the battery. Therefore, the heat dissipation of the battery pack is an unavoidable problem.
  • Current battery pack cooling technology is a big problem in the electric vehicle industry. The performance and service life of the battery pack are closely related to the operating temperature of the battery. Therefore, the heat dissipation of the battery pack is an unavoidable problem
  • the invention relates to heat dissipation of a battery pack for a vehicle, in particular to a heat dissipation structure and a heat dissipation method for a vehicle package air duct.
  • the object of the present invention is to provide a battery panel made of an aluminum alloy material, and a ventilating hole formed between the battery packs formed by the battery panel accelerates the heat dissipation of the battery pack, and the heat dissipation structure and the heat dissipation method of the entire vehicle air duct are To solve the problems raised in the above background art.
  • a battery pack vehicle air duct heat dissipation structure including a battery pack mounting bracket, wherein the battery pack mounting bracket is provided with a battery mounting slot, and the front end of the battery mounting slot is provided There is a front end beam, the rear end of the battery installation groove is provided with a rear end fixed beam, and a battery pack is arranged in the battery installation groove.
  • one side of the front end beam is provided with an air inlet, and the other side of the front beam is provided with a honeycomb air outlet.
  • the inner side of the rear end fixed beam is provided with a honeycomb air outlet.
  • the battery pack is provided with a battery board, the battery board is made of an aluminum alloy material, the groove portion between the battery boards forms a ventilation hole, the battery board is internally provided with a battery cavity, and the battery cavity is internally provided.
  • a battery string There is a battery string, a battery is arranged on the battery string, the positive pole of the battery is connected to the first position of the negative electrode, the outer side of the upper end of the battery board is provided with a connecting groove, and the other side of the upper end of the battery board is provided with a connecting rib, The bottom of the panel is provided with a heat sink.
  • the fins are spaced between 3 mm and 5 mm apart.
  • the battery string and the battery cavity cooperate with each other, and the end of the battery string is provided with a connection reed.
  • the air inlet, the honeycomb air outlet, and the honeycomb air outlet are at the same level.
  • the connected battery string is installed in the battery cavity of the battery board, and the rear end of the battery board on which the battery string is mounted is connected by a reed to connect the tail end of the battery string;
  • the assembled battery board is connected with the connecting ribs on both sides of the battery board, and the battery boards are connected to each other to form a battery pack, and a vent hole is formed between the battery boards of the assembled battery pack;
  • the battery board is made of aluminum alloy material, because the aluminum alloy has better anti-impact type and anti-breakdown property, and the aluminum alloy also has good thermal conductivity, and disperses a large amount of heat generated by the battery;
  • honeycomb air outlet and honeycomb air outlet are at the same level, which is beneficial to accelerate the flow of wind speed and accelerate heat dissipation.
  • FIG. 1 is a schematic structural view of a battery pack mounting bracket of the present invention
  • FIG. 2 is an enlarged schematic view of the air inlet of the present invention
  • FIG. 3 is a schematic structural view of a honeycomb air outlet of the present invention.
  • Figure 4 is a schematic structural view of a honeycomb air outlet of the present invention.
  • Figure 5 is a schematic structural view of a battery pack of the present invention.
  • Figure 6 is a schematic structural view of a battery board of the present invention.
  • Fig. 7 is a schematic cross-sectional view showing the structure of the battery pack of the present invention.
  • a battery pack vehicle air duct heat dissipation structure including a battery pack mounting bracket 1 , a battery mounting slot 13 is disposed on the battery pack mounting bracket 1 , and a front end of the battery mounting slot 13 is provided.
  • a front end cross member 14 is provided, and a rear end fixing cross member 15 is disposed at a rear end of the battery mounting groove 13, and a battery pack 5 is disposed in the battery mounting groove 13.
  • an air inlet 2 is provided in the middle of one side of the front end beam 14, and a honeycomb air outlet 3 is provided on the other side of the front end beam 14.
  • the inner side of the rear fixed beam 15 is provided with a honeycomb air outlet 4, and the air inlet 2, the honeycomb air outlet 3 and the honeycomb air outlet 4 are at the same level, which is advantageous for accelerating the wind speed. Flow, speed up heat dissipation.
  • the battery pack 5 is provided with a battery board 6 which is made of an aluminum alloy material, and the groove portion between the battery boards 6 forms a ventilation hole 12, and the battery board 6
  • the battery chamber 7 is disposed inside, the battery chamber 7 is provided with a battery string, the battery string is provided with a battery, the battery string and the battery chamber 7 are matched with each other, and the rear end of the battery string is provided with a connecting reed 11, the positive and negative poles of the battery
  • the first end is connected, and the outer side of the upper end of the battery board 6 is provided with a connecting recess 8 , and the other side of the upper end of the battery board 6 is provided with a connecting rib 9 , and the bottom of the battery board 6 is provided with a heat sink 10 , between the heat sink 10
  • the interval is 3mm-5mm.
  • the connected battery string is installed in the battery cavity 7 on the battery board 6, and the rear end of the battery board on which the battery string is mounted is connected by a connecting reed 11 to connect the tail end of the battery string;
  • the assembled battery board 6 is connected to the battery board 6 by using the connecting groove 8 and the connecting rib 9 on both sides of the battery board 6, to form a battery pack 5, and the battery board 6 of the assembled battery pack 5 Forming a venting opening 12;

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Power Engineering (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Battery Mounting, Suspending (AREA)
  • Secondary Cells (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)

Abstract

一种电池包整车风道散热结构及散热方法，包括电池组安装支架（1），在电池组安装支架（1）上设有进风口（2）、蜂窝形吹风口（3）、蜂窝形排风口（4）、电池组（5）、电池板（6）、电池腔（7）、连接凹槽（8）、连接凸筋（9）、散热片（10）、连接簧片（11）、通风孔（12）、电池安装槽（13）、前端横梁（14）、后端固定横梁（15），在电池组安装支架的前端横梁（14）与后端横梁上分别安装蜂窝形吹风口（3）、蜂窝形排风口（4），加上电池板（6）组成的电池组（5）上形成通风孔（12），电池板（6）采用铝合金材料制成，由于铝合金的防抗击型与防击穿性比较好，而且铝合金还具有良好的导热性，将电池产生的大量热量分散，利用电池组（5）安装支架上的蜂窝形吹风口（3）、蜂窝形排风口（4）以及导流结构，能够有效将电池产生的热量排出，有利于提高电池的使用性与使用寿命。

Description

一种电池包整车风道散热结构及散热方法 技术领域
本发明涉及车用电池包散热技术领域，具体为一种电池包整车风道散热结构及散热方法。
背景技术
电动车用电池包是根据电动车负载要求，由多个单体电池或超级电容器串并联组成模块，再由多个模块串并联组成一定电压和容量的电池组，放在一个密封的箱体内部形成电池包。电池包散热技术是电动汽车产业的一大难题，电池包使用性能和使用寿命同电池的工作温度有着密切联系，因此电池包散热是个无法回避的问题。目前电池包散热技术
是限制电动汽车产业发展的一大关键因素。因此，应该提供一种新的技术方案解决上述问题。
本发明与车用电池包散热有关，特别是关于一种电池包整车风道散热结构及散热方法。
发明内容
本实发明的目的在于提供一种采用铝合金材料制成的电池板，电池板组成的电池组之间形成的通风孔加速电池组散热的一种电池包整车风道散热结构及散热方法，以解决上述背景技术中提出的问题。
为实现上述目的，本发明提供如下技术方案：一种电池包整车风道散热结构,包括电池组安装支架，所述电池组安装支架上设有电池安装槽，所述电池安装槽的前端设有前端横梁，所述电池安装槽的后端设有后端固定横梁，电池安装槽内设有电池组。
优选的，所述前端横梁的一侧中间设有进风口，所述前端横梁的另一侧设有蜂窝形吹风口。
优选的，所述后端固定横梁的内侧设有蜂窝形排风口。
优选的，所述电池组上设有电池板，电池板采用铝合金材料制成，电池板之间的凹槽部分形成通风孔，所述电池板的内部设有电池腔，电池腔的内部设有电池串，电池串上设有电池，电池的正极与负极首位相连，所述电池板的上端外部一侧设有连接凹槽，电池板的上端外部另一侧设有连接凸筋，所述电池板的底部设有散热片。
优选的，所述散热片之间间隔3mm-5mm。
优选的，所述电池串与电池腔相互配合，所述电池串的尾端设有连接簧片。
优选的，所述进风口、蜂窝形吹风口、蜂窝形排风口在同一水平高度。
该电池包整车风道散热结构，其散热方法：包括以下步骤：
A、将电池的正极端与负极端连接，形成一个电池串；
B、连成的电池串安装入电池板上的电池腔中，将安装好电池串的电池板的尾端采用连接簧片，将电池串的尾端连接；
C、将组装好的电池板，利用电池板两侧的连接凹槽与连接凸筋，将电池板相互连接，组成电池组，在组成的电池组的电池板之间形成了通风孔；
D、将组装好的电池组分别安装在电池组装安装支架相应的位置。
与现有技术相比，本发明的有益效果是：
(1)电池板采用铝合金材料制成，由于铝合金的防抗击型与防击穿性比较好，而且铝合金还具有良好的导热性，将电池产生的大量热量分散；
(2)电池板两侧的连接凹槽与连接凸筋，筋电池板相互连接，使组装更加方便快捷，在组成的电池组的电池包之间形成了通风孔，通风孔有利于加速电池组的热量排出；
(3)进风口、蜂窝形吹风口、蜂窝形排风口在同一水平高度，有利于加速风速的流动，加快散热。
附图说明
图1为本发明的电池组安装支架结构示意图；
图2为本发明的进风口放大示意图；
图3为本发明的蜂窝形吹风口的结构示意图；
图4为本发明的蜂窝形排风口结构示意图；
图5为本发明的电池组结构示意图；
图6为本发明的电池板结构示意图；
图7为本发明的电池组截面结构示意图。
图中：1、电池组安装支架；2、进风口；3、蜂窝形吹风口；4、蜂窝形排风口；5、电池组；6、电池板；7、电池腔；8、连接凹槽；9、连接凸筋；10、散热片；11、连接簧片；12、通风孔；13、电池安装槽；14、前端横梁；15、后端固定横梁。
具体实施方式
下面将结合本发明实施例中的附图，对本发明施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
请参阅图1，本发明提供一种技术方案：一种电池包整车风道散热结构,包括电池组安装支架1，电池组安装支架1上设有电池安装槽13，电池安装槽13的前端设有前端横梁14，电池安装槽13的后端设有后端固定横梁15，电池安装槽13内设有电池组5。
请参阅图2，前端横梁14的一侧中间设有进风口2，前端横梁14的另一侧设有蜂窝形吹风口3。
请参阅图3或图4，后端固定横梁15的内侧设有蜂窝形排风口4，进风口2、蜂窝形吹风口3、蜂窝形排风口4在同一水平高度，有利于加速风速的流动，加快散热。
请参阅图5,、图6或图7，电池组5上设有电池板6，电池板6采用铝合金材料制成，电池板6之间的凹槽部分形成通风孔12，电池板6的内部设有电池腔7，电池腔7的内部设有电池串，电池串上设有电池，电池串与电池腔7相互配合，电池串的尾端设有连接簧片11,电池的正极与负极首位相连，电池板6的上端外部一侧设有连接凹槽8，电池板6的上端外部另一侧设有连接凸筋9，电池板6的底部设有散热片10，散热片10之间间隔3mm-5mm。
该电池包整车风道散热结构，其散热方法：包括以下步骤：
A、将电池的正极端与负极端连接，形成一个电池串；
B、连成的电池串安装入电池板6上的电池腔7中，将安装好电池串的电池板的尾端采用连接簧片11，将电池串的尾端连接；
C、将组装好的电池板6，利用电池板6两侧的连接凹槽8与连接凸筋9，将电池板6相互连接，组成电池组5，在组成的电池组5的电池板6之间形成了通风孔12；
D、将组装好的电池组5分别安装在电池组装安装支架1相应的位置。
尽管已经示出和描述了本发明的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由所附权利要求及其等同物限定。

Claims (8)

  1. 一种电池包整车风道散热结构,包括电池组安装支架(1)，其特征在于：所述电池组安装支架(1)上设有电池安装槽(13)，所述电池安装槽(13)的前端设有前端横梁(14)，所述电池安装槽(13)的后端设有后端固定横梁(15)，电池安装槽(13)内设有电池组(5)。
  2. 根据权利要求1所述的一种电池包整车风道散热结构，其特征在于：所述前端横梁(14)的一侧中间设有进风口(2)，所述前端横梁(14)的另一侧设有蜂窝形吹风口(3)。
  3. 根据权利要求1所述的一种电池包整车风道散热结构，其特征在于：所述后端固定横梁(15)的内侧设有蜂窝形排风口(4)。
  4. 根据权利要求1所述的一种电池包整车风道散热结构，其特征在于：所述电池组(5)上设有电池板(6)，电池板(6)采用铝合金材料制成，电池板(6)之间的凹槽部分形成通风孔(12)，所述电池板(6)的内部设有电池腔(7)，电池腔(7)的内部设有电池串，电池串上设有电池，电池的正极与负极首位相连，所述电池板(6)的上端外部一侧设有连接凹槽(8)，电池板(6)的上端外部另一侧设有连接凸筋(9)，所述电池板(6)的底部设有散热片(10)。
  5. 根据权利要求4所述的一种电池包整车风道散热结构，其特征在于：所述散热片(10)之间间隔3mm-5mm。
  6. 根据权利要求4所述的一种电池包整车风道散热结构，其特征在于：所述电池串与电池腔(7)相互配合，所述电池串的尾端设有连接簧片(11)。
  7. 根据权利要求4所述的一种电池包整车风道散热结构，其特征在于：所述进风口(2)、蜂窝形吹风口(3)、蜂窝形排风口(4)在同一水平高度。
  8. 实现权力要求1所述的一种电池包整车风道散热结构，其散热方法：包括以下步骤：
    A、将电池的正极端与负极端连接，形成一个电池串；
    B、连成的电池串安装入电池板(6)上的电池腔(7)中，将安装好电池串的电池板的尾端采用连接簧片(11)，将电池串的尾端连接；
    C、将组装好的电池板(6)，利用电池板(6)两侧的连接凹槽(8)与连接凸筋(9)，将电池板(6)相互连接，组成电池组(5)，在组成的电池组(5)的电池板(6)之间形成了通风孔(12)；
    D、将组装好的电池组(5)分别安装在电池组装安装支架(1)相应的位置。
PCT/CN2017/101773 2017-09-05 2017-09-14 一种电池包整车风道散热结构及散热方法 WO2019047254A1 (zh)

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