WO2022094891A1 - 一种电动汽车电池冷却降温结构 - Google Patents

一种电动汽车电池冷却降温结构 Download PDF

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Publication number
WO2022094891A1
WO2022094891A1 PCT/CN2020/126861 CN2020126861W WO2022094891A1 WO 2022094891 A1 WO2022094891 A1 WO 2022094891A1 CN 2020126861 W CN2020126861 W CN 2020126861W WO 2022094891 A1 WO2022094891 A1 WO 2022094891A1
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cooling
cooling liquid
box
battery pack
electric vehicle
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PCT/CN2020/126861
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English (en)
French (fr)
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樊祥兵
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江苏洋口港股份有限公司
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Priority to PCT/CN2020/126861 priority Critical patent/WO2022094891A1/zh
Publication of WO2022094891A1 publication Critical patent/WO2022094891A1/zh

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    • 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
    • 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 automobiles, in particular to a cooling and cooling structure for electric vehicle batteries.
  • the purpose of the present invention is to provide a cooling and cooling structure for an electric vehicle battery, which cools the casing through the cooling liquid in the cooling liquid storage box, and installs radiating fins for cooling at the same time, so as to improve the cooling effect.
  • the temperature sensor opens the heat dissipation door, which improves the heat dissipation efficiency by increasing the exposed area, and solves the problem of a single cooling method for electric vehicle batteries.
  • the invention provides a cooling and cooling structure for an electric vehicle battery, comprising a cooling box arranged on a battery pack casing, a cooling liquid storage box is arranged in the cooling box, and the cooling liquid storage box is filled with cooling liquid, and the cooling liquid storage box is filled with cooling liquid.
  • Both ends of the cooling liquid storage box are provided with cooling liquid circulation pipes, and the cooling liquid storage box is communicated with the cooling liquid storage components of the vehicle through the cooling liquid circulation pipes, and cooling fins are also arranged in the cooling liquid box, and the upper end of the cooling liquid box is open
  • An automatic opening and closing radiator door is provided, the radiator door is located directly above the heat sink, and a temperature sensor is arranged on the battery pack casing, the temperature of the battery pack casing is detected by the temperature sensor, and the radiator door is controlled to open and close.
  • a further improvement is that: the heat sink and the battery pack casing are connected by a heat-conducting column made of a heat-conducting material, a blower is arranged beside the heat sink, and the heat sink is blown and dissipated by the blower.
  • a further improvement is that: the cooling liquid circulation pipe is surrounded by a cooling air pipe, the cooling air pipe collects air from the front end of the vehicle, sucks the air generated when the vehicle is running into the cooling air pipe, and cools the cooling liquid collected by the cooling liquid circulation pipe.
  • the cooling liquid that has been cooled in the storage box is pre-cooled.
  • a further improvement is that: a detection block made of heat-expanded material is arranged on the battery pack casing, and a contact sensor is arranged above the detection block to detect whether the heat generated by the battery pack casing reaches a preset maximum through the expansion of the detection block. value to be judged.
  • a further improvement is that: a thermal sensor is arranged on the box body of the cooling box.
  • a further improvement is that: the battery pack casing is provided with a water conduit, the water conduit is communicated with the cooling liquid storage box, and the cooling liquid surrounds the battery pack casing through the water conduit.
  • a further improvement is that: an opening and closing detection sensor is provided on one side of the cooling door, and the opening and closing state of the cooling door is detected by the opening and closing detection sensor.
  • a further improvement is that: the heat sink is a fin structure, and the heat dissipation area is increased by the fin structure.
  • the beneficial effects of the present invention are: the cooling liquid in the cooling liquid storage box is used to cool the casing, and heat sinks are added to cool the cooling liquid at the same time, so as to improve the cooling efficiency, and the temperature sensor opens the heat dissipation door, and by increasing the exposed area Then, the heat dissipation efficiency is improved, the cooling rate is increased, and whether the heat of the battery pack case reaches the preset maximum value is judged by the expansion of the detection block, and then the driver is reminded in time for inspection and maintenance.
  • Figure 1 is a schematic structural diagram of the present invention.
  • 1-battery pack shell 2-cooling box, 3-coolant storage box, 4-coolant circulation pipe, 5-radiator fin, 6-radiator door, 7-temperature sensor, 8-conductive column, 9- Blower, 10-cooling duct, 11-detection block, 12-contact sensor, 13-thermal sensor, 14-water pipe, 15-opening and closing detection sensor.
  • this embodiment provides a cooling and cooling structure for an electric vehicle battery, including a cooling box 2 arranged on a battery pack housing 1 , and a cooling liquid storage box 3 is arranged in the cooling box 2 .
  • the cooling liquid storage box 3 is filled with cooling liquid, and both ends of the cooling liquid storage box 3 are provided with cooling liquid circulation pipes 4, and the cooling liquid storage box 3 is communicated with the cooling liquid storage components of the vehicle through the cooling liquid circulation pipes 4.
  • the cooling box 2 is also provided with a cooling fin 5 , and a cooling door 6 with an automatic switch is opened at the upper end of the cooling box 2 .
  • the temperature sensor 7 detects the temperature of the battery pack case 1 through the temperature sensor 7 , and controls the opening and closing of the heat dissipation door 6 .
  • the heat sink 5 and the battery pack casing 1 are connected by a heat conduction column 8 made of a heat conduction material.
  • a blower 9 is arranged beside the heat sink 5 , and the heat sink 5 is blown and dissipated by the blower 9 .
  • the cooling liquid circulation pipe 4 is surrounded by a cooling air pipe 10.
  • the cooling air pipe 10 collects air from the front end of the vehicle, sucks the air generated when the vehicle is running into the cooling air pipe 10, and cools the air collected by the cooling liquid circulation pipe 4.
  • the cooling liquid that has been cooled in the liquid storage box 3 is subjected to pre-cooling treatment.
  • the battery pack case 1 is provided with a detection block 11 made of heat-expanded material, and a contact sensor 12 is provided above the detection block 11 to detect whether the heat of the battery pack case 1 reaches a predetermined level through the expansion of the detection block 11 . Set the maximum value for judgment.
  • a thermal sensor 13 is arranged on the box body of the cooling box 2 .
  • the battery pack casing 1 is provided with a water passage 14 , the water passage 14 is connected to the cooling liquid storage box 3 , and the cooling liquid surrounds the battery pack casing 1 through the water passage 14 .
  • An opening and closing detection sensor 15 is provided on one side of the cooling door 6 , and the opening and closing state of the cooling door 6 is detected by the opening and closing detection sensor 15 .
  • the heat sink 5 is a fin structure, and the heat dissipation area is increased by the fin structure.
  • the casing is cooled by the cooling liquid in the cooling liquid storage box 3, and the cooling fins 5 are added to reduce the temperature at the same time as the cooling liquid, so as to improve the cooling efficiency, and the temperature sensor 7 opens the cooling door 6 to increase the exposed area to improve heat dissipation. efficiency, improve the cooling rate, and judge whether the heat of the battery pack casing 1 reaches the preset maximum value through the expansion of the detection block 11, and then promptly remind the driver to carry out inspection and maintenance.

Abstract

一种电动汽车电池冷却降温结构，包括设置在电池包壳体（1）上的冷却盒（2），所述冷却盒（2）内设置有冷却液存放盒（3），所述冷却液存放盒（3）内填充有冷却液，所述冷却液存放盒（3）两端设置有冷却液循环管（4），通过冷却液循环管（4）将冷却液存放盒（3）与车辆的冷却液存储部件进行连通，所述冷却盒（2）内还设置有散热片（5），所述冷却盒（2）上端开设置自动开关的散热门（6），所述散热门（6）位于散热片（5）正上方，所述电池包壳体（1）上设置有温度传感器（7），通过温度传感器（7）对电池包壳体（1）的温度进行检测，并且控制散热门（6）开启关闭。与冷却液同时进行降温，提高降温效率，并且温度传感器（7）开启散热门（6），通过增加暴露面积进而提升散热效率，提升降温速率，及时提醒驾驶人员进行检查维修。

Description

一种电动汽车电池冷却降温结构 技术领域
本发明涉及汽车技术领域，尤其涉及一种电动汽车电池冷却降温结构。
背景技术
目前在电动汽车领域中，使用电池作为动力源是十分常见的，而电动汽车由于使用电能驱动整个车辆运转，电池在工作时放电量大，很容易产生热量，而产生的热量如果不进行冷却，很容易损坏电池，导致电动汽车的寿命降低，目前对于电池进行降温，一般采用单一的冷却方式，如冷却液冷却，而在单一冷却系统出现问题时，电池很容易受热损坏，严重的情况时还会出现爆炸，危机车辆及驾驶员安全。因此，解决电动汽车电池降温手段单一的问题就显得尤为重要了。
发明内容
针对现有技术的不足，本发明的目的是提供了一种电动汽车电池冷却降温结构，通过冷却液存放盒内的冷却液对壳体进行降温，并且加装散热片，同时进行降温，提高降温效率，并且温度传感器开启散热门，通过增加暴露面积进而提升散热效率，解决了电动汽车电池降温手段单一的问题。
本发明提供一种电动汽车电池冷却降温结构，包括设置在电池包壳体上的冷却盒，所述冷却盒内设置有冷却液存放盒，所述冷却液存放盒内填充有冷却液，所述冷却液存放盒两端设置有冷却液循环管，通过冷却液循环管将冷却液存放盒与车辆的冷却液存储部件进行连通，所述冷却盒内还设置有散热片，所述冷却盒上端开设置自动开关的散热门，所述散热门位于散热片正上方，所述电池包壳体上设置有温度传感器，通过温度传感器对电池包壳体的温度进行检测，并且控制散热门开启关闭。
进一步改进在于：所述散热片与电池包壳体之间通过导热材料制成的导热柱连接，所述散热片旁设置有鼓风机，通过鼓风机对散热片进行吹风散热。
进一步改进在于：所述冷却液循环管外围包围有冷却风管，所述冷却风管从车辆前端收集空气，将车辆运行时产生的风吸入冷却风管，并对冷却液循环管收集的冷却液存放盒内完成降温的冷却液进行预降温处理。
进一步改进在于：所述电池包壳体上设置有受热膨胀材料制成的检测块，所述检测块上方设置有接触传感器，通过检测块的膨胀情况对电池包壳体的发热是否达到预设最大值进行判断。
进一步改进在于：所述冷却盒的盒体上设置有热敏传感器。
进一步改进在于：所述电池包壳体上设置有走水管道，所述走水管道连通在冷却液存放盒内，冷却液通过走水管道环绕包围电池包壳体。
进一步改进在于：所述散热门一侧设置有开合检测传感器，通过开合检测传感器对散热门的开合状态进行检测。
进一步改进在于：所述散热片为翅片式结构，通过翅片式结构增大散热面积。
本发明的有益效果是：通过冷却液存放盒内的冷却液对壳体进行降温，并且加装散热片，与冷却液同时进行降温，提高降温效率，并且温度传感器开启散热门，通过增加暴露面积进而提升散热效率，提升降温速率，并且通过检测块的膨胀情况对电池包壳体的发热是否达到预设最大值进行判断，进而及时提醒驾驶人员进行检查维修。
附图说明
图1是本发明的结构示意图。
其中：1-电池包壳体，2-冷却盒，3-冷却液存放盒，4-冷却液循环管，5-散热片，6-散热门，7-温度传感器，8-导热柱，9-鼓风机，10-冷却风管，11-检测块，12-接触传感器，13-热敏传感器，14-走水管道，15-开合检测传感器。
具体实施方式
为了加深对本发明的理解，下面将结合实施例对本发明作进一步的详述，本实施例仅用于解释本发明，并不构成对本发明保护范围的限定。
如图1所示，本实施例提供了一种电动汽车电池冷却降温结构，包括设置在电池包壳体1上的冷却盒2，所述冷却盒2内设置有冷却液存放盒3，所述冷却液存放盒3内填充有冷却液，所述冷却液存放盒3两端设置有冷却液循环管4，通过冷却液循环管4将冷却液存放盒3与车辆的冷却液存储部件进行连通，所述冷却盒2内还设置有散热片5，所述冷却盒2上端开设置自动开关的散热门6，所述散热门6位于散热片5正上方，所述电池包壳体1上设置有温度传感器7，通过温度传感器7对电池包壳体1的温度进行检测，并且控制散热门6开启关闭。所述散热片5与电池包壳体1之间通过导热材料制成的导热柱8连接，所述散热片5旁设置有鼓风机9，通过鼓风机9对散热片5进行吹风散热。所述冷却液循环管4外围包围有冷却风管10，所述冷却风管10从车辆前端收集空气，将车辆运行时产生的风吸入冷却风管10，并对冷却液循环管4收集的冷却液存放盒3内完成降温的冷却液进行预降温处理。所述电池包壳体1上设置有受热膨胀材料制成的检测块11，所述检测块11上方设置有接触传感器12，通过检测块11的膨胀情况对电池包壳体1的发热是否达到预设最大值进行判断。所述冷却盒2的盒体上设置有热敏传感器13。所述电池包壳体1上设置有走水管道14，所述走水管道14连通在冷却液存放盒3内，冷却液通过走水管道14环绕包围电池包壳体1。所述散热门6一侧设置有开合检测传感器15，通过开合检测传感器15对散热门6的开合状态进行检测。所述散热片5为翅片式结构，通过翅片式结构增大散热面积。通过冷却液存放盒3内的冷却液对壳体进行降温，并且加装散热片5，与冷却液同时进行降温，提高降温效率，并且温度传感器7开启散热门6，通过增加暴露面积进而提升散热效率，提升降温速率，并且通过检测块11的膨胀情况对电池包壳体1的发热是否达到预设最大值进行判断，进而及时提醒驾驶人员进行 检查维修。

Claims (8)

  1. 一种电动汽车电池冷却降温结构，包括设置在电池包壳体(1)上的冷却盒(2)，所述冷却盒(2)内设置有冷却液存放盒(3)，所述冷却液存放盒(3)内填充有冷却液，所述冷却液存放盒(3)两端设置有冷却液循环管(4)，通过冷却液循环管(4)将冷却液存放盒(3)与车辆的冷却液存储部件进行连通，其特征在于：所述冷却盒(2)内还设置有散热片(5)，所述冷却盒(2)上端开设置自动开关的散热门(6)，所述散热门(6)位于散热片(5)正上方，所述电池包壳体(1)上设置有温度传感器(7)，通过温度传感器(7)对电池包壳体(1)的温度进行检测，并且控制散热门(6)开启关闭。
  2. 如权利要求1所述的一种电动汽车电池冷却降温结构，其特征在于：所述散热片(5)与电池包壳体(1)之间通过导热材料制成的导热柱(8)连接，所述散热片(5)旁设置有鼓风机(9)，通过鼓风机(9)对散热片(5)进行吹风散热。
  3. 如权利要求1所述的一种电动汽车电池冷却降温结构，其特征在于：所述冷却液循环管(4)外围包围有冷却风管(10)，所述冷却风管(10)从车辆前端收集空气，将车辆运行时产生的风吸入冷却风管(10)，并对冷却液循环管(4)收集的冷却液存放盒(3)内完成降温的冷却液进行预降温处理。
  4. 如权利要求1所述的一种电动汽车电池冷却降温结构，其特征在于：所述电池包壳体(1)上设置有受热膨胀材料制成的检测块(11)，所述检测块(11)上方设置有接触传感器(12)，通过检测块(11)的膨胀情况对电池包壳体(1)的发热是否达到预设最大值进行判断。
  5. 如权利要求1所述的一种电动汽车电池冷却降温结构，其特征在于：所述冷却盒(2)的盒体上设置有热敏传感器(13)。
  6. 如权利要求1所述的一种电动汽车电池冷却降温结构，其特征在于： 所述电池包壳体(1)上设置有走水管道(14)，所述走水管道(14)连通在冷却液存放盒(3)内，冷却液通过走水管道(14)环绕包围电池包壳体(1)。
  7. 如权利要求1所述的一种电动汽车电池冷却降温结构，其特征在于：所述散热门(6)一侧设置有开合检测传感器(15)，通过开合检测传感器(15)对散热门(6)的开合状态进行检测。
  8. 如权利要求1所述的一种电动汽车电池冷却降温结构，其特征在于：所述散热片(5)为翅片式结构，通过翅片式结构增大散热面积。
PCT/CN2020/126861 2020-11-05 2020-11-05 一种电动汽车电池冷却降温结构 WO2022094891A1 (zh)

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Cited By (2)

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Publication number Priority date Publication date Assignee Title
CN116191217A (zh) * 2022-12-13 2023-05-30 南京新唐电力工程有限公司 一种可自动除尘散热的配电柜及其控制方法
CN117087490A (zh) * 2023-08-18 2023-11-21 江苏恩斯特系统设备有限公司 一种蓄电池用换电柜

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