WO2017124875A1 - 一种用于电动汽车电池组的散热装置 - Google Patents

一种用于电动汽车电池组的散热装置 Download PDF

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WO2017124875A1
WO2017124875A1 PCT/CN2016/111631 CN2016111631W WO2017124875A1 WO 2017124875 A1 WO2017124875 A1 WO 2017124875A1 CN 2016111631 W CN2016111631 W CN 2016111631W WO 2017124875 A1 WO2017124875 A1 WO 2017124875A1
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cooling
battery pack
electric vehicle
cooling plate
sides
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PCT/CN2016/111631
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English (en)
French (fr)
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曾戟
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曾戟
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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
    • 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
    • H01M10/6567—Liquids
    • 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
    • H01M10/6567—Liquids
    • H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • 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 utility model belongs to the technical field of electric vehicle battery packs, in particular to a heat dissipating device for an electric vehicle battery pack.
  • Electric vehicles use electric energy as power, with zero emissions and environmental protection.
  • life of electric vehicles is a difficult point in the development of electric vehicles.
  • electric vehicle manufacturers usually use two or more battery packs in parallel to improve the life time of electric vehicles.
  • the battery pack is formed by connecting a plurality of batteries in series. During the driving process, the battery pack continuously discharges, and a large amount of heat energy is generated during the discharge process, and the generated heat energy is accumulated in the battery pack and cannot be dissipated in time, resulting in an increase in the temperature of the battery pack and a large temperature difference.
  • the technical problem to be solved by the utility model is a heat dissipating device for an electric vehicle battery pack with beautiful appearance, good heat dissipation and improved service life.
  • a heat dissipation device for an electric vehicle battery pack comprising two battery packs, two battery packs being fixed by a fixing frame, and two inside the fixing frame are located
  • a cooling assembly is disposed between the battery packs, and the cooling assembly includes a cooling pipe and a cooling plate for fixing the cooling pipe.
  • the cooling pipes are symmetrically disposed on both sides of the cooling plate, and the cooling pipes on both sides of the fixing plate are closely attached.
  • the cooling plate is internally provided with a cavity, and the cavity is in communication with a cooling pipe disposed at two sides of the cooling plate;
  • the front end of the cooling plate is provided with an inlet communicating with the interior of the cooling plate, and the rear of the cooling plate The end is provided with an outlet communicating with the interior of the cooling plate;
  • the inlet and the outlet extend outside the fixing frame and communicate the interior of the cooling plate through the inlet and the outlet;
  • the front fixing plate and the rear fixing plate of the fixing frame are provided with two through holes The two through holes are located on both sides of the inlet and outlet of the cooling plate.
  • inlet and outlet are in communication with the automotive coolant circulation system.
  • the cooling tube is an outwardly curved curved flat tube.
  • the positions of the two through holes are respectively arranged in an arc shape between the cooling plate and the curved flat tube.
  • the outer sides of the curved flat tubes are closely attached to the inner sides of the two battery packs.
  • the fixing frame is provided with openings on both sides thereof.
  • the battery pack of the present invention is fixed by the fixing frame, so that the combined battery pack has a more compact structure, reduces the occupied space, and has a more beautiful appearance, and is connected with the automobile coolant circulation system by using the cooling component and
  • the cooling component is in close contact with the side wall of the battery pack, and the heat radiated from the operation of the battery pack is introduced into the automobile coolant circulation system by using the coolant in the communication system of the automobile coolant circulation system, and the heat inside the battery pack is taken through the automobile coolant circulation system.
  • the heat energy radiated by the battery pack can be dissipated in time, the temperature balance between the battery packs is realized, the battery pack is protected, and the heat accumulation and temperature increase caused by the operation of the battery pack are avoided.
  • the service life of the battery pack and the temperature difference between the battery packs affect the performance of the electric vehicle.
  • the opening and the through hole are provided on the fixed frame, which can speed up the airflow in the battery pack and make a part of the battery pack work. Thermal energy can be dissipated through the opening and the through hole to improve the heat dissipation efficiency of the battery. Electric car's battery was in the best working condition, extend the life of the battery pack to improve the stability of electric vehicles.
  • Figure 1 is a schematic view of the structure of the present invention.
  • Figure 2 is a plan view of the present invention.
  • Figure 3 is a right side view of the present invention.
  • Figure 4 is a front elevational view of the present invention.
  • Figure 5 is an exploded view of the present invention.
  • a heat sink for an electric vehicle battery pack includes two battery packs 1, and the two battery packs are fixed by a mount 2.
  • a cooling assembly 3 is disposed between the two battery packs inside the fixing frame 2.
  • the cooling assembly 3 includes a cooling tube 31 and a cooling tube cooling plate 32 for fixing the cooling tube.
  • the cooling tube adopts a plurality of outwardly curved curved flat tubes; a plurality of outwardly curved curved flat tubes are symmetrically disposed on both sides of the cooling plate and uniformly distributed in the cooling plate 32.
  • the outer sides of the arc-shaped flat tubes on both sides of the fixing plate are closely attached to the inner sides of the two battery packs 1, so that the heat energy radiated during operation of the battery pack can be led out through the curved flat tubes.
  • the interior of the cooling plate 3 is provided with a cavity which communicates with a plurality of outwardly curved curved flat tubes disposed on both sides of the cooling plate, so that the thermal energy in the curved flat tube can be transmitted to the thermal energy of the cooling plate.
  • the temperature within the cooling assembly 3 is equalized.
  • an inlet 321 communicating with the inside of the cooling plate is provided at the front end of the cooling plate 32, and the rear end of the cooling plate 32 is provided with a cooling plate.
  • the medium in the coolant is conducted into the cooling plate through the curved flat tube, and then the thermal energy is used outside the heat dissipating device of the electric vehicle battery through the automobile coolant circulating system, so that the heat generated during the operation of the battery pack can be timely distributed.
  • the airflow for the heat dissipating device of the electric vehicle battery pack can be circulated, and the front fixing plate and the rear fixing plate of the fixing frame 2 are provided with two passages.
  • a hole 21, the two through holes 21 are located at two sides of the inlet and the outlet of the cooling plate; and the positions of the two through holes 21 on both sides of the inlet and the outlet are respectively located in the fixing frame between the cooling plate 31 and the curved flat tube 32 The position of the curved portion corresponds to the air flow.
  • an opening 22 is arranged on both sides of the fixing frame 2, and part of the heat energy emitted by the battery pack is dissipated through the opening, thereby improving the heat dissipation performance of the battery pack.
  • the battery pack When the car is working, the battery pack continuously discharges and generates thermal energy.
  • the thermal energy outside the two battery packs dissipates heat through the opening disposed outside the fixed frame, and the thermal energy located inside the two battery packs passes through the arc of the inner side of the two battery packs.
  • the flat tube is led into the cooling plate, and the heat energy in the cooling plate is taken out by the cooling liquid in the automobile coolant circulation system for the heat dissipating device of the electric vehicle battery pack, so that the heat energy can be dissipated in time, thereby avoiding the work generated by the battery pack.
  • the heat accumulation and temperature increase affect the service life of the battery pack and cause a temperature difference between the battery packs, affecting the consistency of the battery pack discharge, reducing the voltage difference during the discharge process, and protecting the battery pack.
  • a part of the thermal energy inside the battery pack can also enter the inside of the battery pack through the air flow from the through hole of one end of the fixed frame, and flow out from the through hole at the other end of the fixed frame to bring out part of the thermal energy to improve the heat dissipation performance of the battery pack. Make the electric car handle a good working condition.

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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)
  • Secondary Cells (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

一种电动汽车电池组的散热装置，包括两个电池组（1），两个电池组（1）通过固定架（2）固定，在固定架（2）的内部设有冷却组件（3），冷却组件（3）包括冷却管（31）以及冷却板（32），冷却管（31）设置在冷却板（32）的两侧，且紧贴两个电池组（1）的内侧面；冷却板（32）内部设有空腔，空腔与冷却管（31）连通。散热装置的结构更加紧凑，减少占用空间，电池散热效率高，使得电动汽车的电池处于最佳的工作状态，延长电池组的使用寿命，提高了电动汽车的稳定性。

Description

一种用于电动汽车电池组的散热装置 技术领域
本实用新型属于电动汽车电池组技术领域，具体涉及一种用于电动汽车电池组的散热装置。
背景技术
随着汽车行业的快速发展以及国家对汽车行业的节能环保的要求越来越高，促使电动汽车行业的快速发展。电动汽车采用电能作为动力，具有零排放、环保等优点。但是电动汽车的续航时间时电动汽车发展的一个难点，目前，电动车生产厂家通常采用两个或多个电池组进行并联，以提高电动汽车的续航时间。所述的电池组由多个电池串联而成。汽车在行驶过程中，电池组不断的进行放电，且在放电过程中会产生大量的热能，而产生的热能集聚在电池组内不能及时散发，导致电池组的温度上升以及温度差大，温度过高时导致电池组的使用寿命变短，温差过大告知电池组之间的放电性能不一致，影响电池的使用性能。同时，电池组内部的热能不能及时散发还存在严重的安全隐患，严重时产出安全事故。因此如何改进电动汽车的电池组散热问题，仍然是电动汽车生产厂家亟待解决的问题。
发明内容
有鉴于此，本实用新型要解决的技术问题是一种外形美观、散热性好、提高使用寿命的用于电动汽车电池组的散热装置。
为了解决上述技术问题，本实用新型采用如下方案实现：一种用于电动汽车电池组的散热装置，包括两个电池组，两个电池组通过一固定架固定，在固定架的内部位于两个电池组之间设有一冷却组件,，所述的冷却组件包括冷却管以及用于固定冷却管冷却板，冷却管对称的设置在冷却板的两侧，且位于固定板两侧的冷却管贴紧两个电池组的内侧面；该冷却板内部设有空腔，该空腔与设置在冷却板两侧的冷却管连通；冷却板的前端设有与冷却板内部连通的进口，冷却板的后端设有与冷却板内部连通的出口；进口和出口延伸至固定架外且通过进口和出口将冷却板内部连通；所述的固定架的前固定板和后固定板均设有两个通孔，该两个通孔位于冷却板的进口和出口的两侧。
其中，所述的进口和出口与汽车冷却液循环系统连通。
其中，所述的冷却管为向外弯曲的弧形扁管。
其中，所述的两个通孔的位置分别设置在冷却板与弧形扁管之间的弧形内。
其中，所述的弧形扁管的外侧均贴紧两个电池组的内侧面。
其中，所述的固定架的两侧均设有开口。
与现有技术相比，本实用新型的电池组通过固定架固定，使得组合后的电池组的结构更加紧凑，减少占用空间，且外形更加美观，利用冷却组件与汽车冷却液循环系统连通且将冷却组件贴紧电池组的侧壁，利用汽车冷却液循环系统连通中的冷却液将电池组工作时散发的热量导入汽车冷却液循环系统，再通过汽车冷却液循环系统将电池组内部的热量带到用于电动汽车电池组的散热装置外，使得电池组散发的热能能够及时散发，实现电池组之间的温度均衡，保护电池组，避免了电池组工作产生的热量集聚、温度升高，影响电池组的使用寿命以及电池组之间存在温度差，影响电动汽车的使用性能；同时在固定架的上设有开口和通孔，可以加快电池组内的气流流通，使得电池组工作产生的一部分热能能够通过开口以及通孔散发，提高以达到电池散热效率，使得电动汽车的电池处于最佳的工作状态，延长电池组的使用寿命，提高了电动汽车的稳定性。
附图说明
图1为本实用新型的结构示意图。
图2为本实用新型的俯视图。
图3为本实用新型的右视图。
图4为本实用新型的正视图。
图5为本实用新型的爆炸图。
具体实施方式
为了让本领域的技术人员更好地理解本实用新型的技术方案，下面结合附图对本实用新型作进一步阐述。
如图1至图5所示，一种用于电动汽车电池组的散热装置，包括两个电池组1，两个电池组通过一固定架2固定。为了能够及时将电池组工作时产生的热量及时散出，在固定架2的内部位于两个电池组之间设有一冷却组件3。
所述的冷却组件3包括冷却管31以及用于固定冷却管冷却板32。冷却管采用多个向外弯曲的弧形扁管；多个向外弯曲的弧形扁管对称的设置在冷却板的两侧，且在冷却板32内均匀分布。位于固定板两侧的弧形扁管的外侧均贴紧两个电池组1的内侧面，使得电池组工作时散发的热能能够通过弧形扁管导出。冷却板3的内部设有空腔，该空腔与设置在冷却板两侧的多个向外弯曲的弧形扁管连通，使得弧形扁管内的热能能够与冷却板的热能相互传递，实现冷却组件3内的温度均衡。为了能够将冷却组件3内的热能能够与外部进行交替流通，在冷却板32的前端设有与冷却板内部连通的进口321，冷却板32的后端设有与冷却板 内部连通的出口3222；进口31和出口322延伸至固定架2外且通过进口和出口将冷却板内部连通；进口321和出口322与汽车冷却液循环系统连通，使得电池组产生的热能能够以汽车冷却液内媒介通过弧形扁管传导进入冷却板，再通过汽车冷却液循环系统将热能到处用于电动汽车电池组的散热装置外，使得电池组工作时产生的热能能够及时散发。同时，为了提高用于电动汽车电池组的散热装置的散热效果，使得用于电动汽车电池组的散热装置的气流能够流通，在固定架2的前固定板和后固定板均设有两个通孔21，该两个通孔21位于冷却板的进口和出口的两侧；且位于进口和出口的两侧两个通孔21的位置分别与固定架内在冷却板31与弧形扁管32之间的弧形的位置相对应，使得气流导通。同时在固定架2的两侧均设有开口22，通过开口将电池组工作散发的部分热能散发，提高了电池组的散热性能。
汽车工作时，电池组持续放电并产生热能，两个电池组外侧的热能通过设置在固定架外侧的开口将热能散热，位于两个电池组内侧的热能通过贴紧两个电池组内侧的弧形扁管导至冷却板内，冷却板内的热能通过与汽车冷却液循环系统中的冷却液带出用于电动汽车电池组的散热装置外，使得热能能够及时散发，避免了电池组工作产生的热量集聚、温度升高，影响电池组的使用寿命以及使得电池组之间存在温度差，影响电池组放电的一致性，降低放电过程的电压差，保护电池组。同时电池组内侧的一部分热能还可以通过空气流从通固定架的一端的通孔内进入电池组内部，从固定架的另一端的通孔流出，带出部分热能，提高电池组的散热效能，使得电动汽车处理一个良好的工作状态。
上述实施例仅为本实用新型的其中具体实现方式，其描述较为具体和详细，但并不能因此而理解为对本实用新型专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本实用新型构思的前提下，还可以做出若干变形和改进，这些显而易见的替换形式均属于本实用新型的保护范围。

Claims (6)

  1. 一种用于电动汽车电池组的散热装置，包括两个电池组(1)，其特征在于，两个电池组(1)通过一固定架(2)固定，在固定架(2)的内部位于两个电池组(1)之间设有一冷却组件(3)，所述的冷却组件(3)包括冷却管(31)以及用于固定冷却管冷却板(32)，冷却管(31)对称的设置在冷却板的两侧，且位于固定板两侧的冷却管贴紧两个电池组(1)的内侧面；该冷却板(3)内部设有空腔，该空腔与设置在冷却板两侧的冷却管连通；冷却板(32)的前端设有与冷却板内部连通的进口(321)，冷却板(32)的后端设有与冷却板内部连通的出口(322)；进口(321)和出口(322)延伸至固定架(2)外且通过进口和出口将冷却板内部连通；所述的固定架(2)的前固定板和后固定板均设有两个通孔(21)，该两个通孔(21)位于冷却板的进口(321)和出口(322)的两侧。
  2. 根据权利要求1所述的用于电动汽车电池组的散热装置，其特征在于，所述的进口(321)和出口(322)与汽车冷却液循环系统连通。
  3. 根据权利要求2所述的用于电动汽车电池组的散热装置，其特征在于，所述的冷却管(31)为向外弯曲的弧形扁管。
  4. 根据权利要求3所述的用于电动汽车电池组的散热装置，其特征在于，所述的两个通孔(21)的位置分别设置在冷却板(31)与弧形扁管(32)之间的弧形内。
  5. 根据权利要求4所述的用于电动汽车电池组的散热装置，其特征在于，所述的弧形扁管的外侧均贴紧两个电池组(1)的内侧面。
  6. 根据权利要求1所述的用于电动汽车电池组的散热装置，其特征在于，所述的固定架(2)的两侧均设有开口(22)。
PCT/CN2016/111631 2016-01-20 2016-12-23 一种用于电动汽车电池组的散热装置 WO2017124875A1 (zh)

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CN111403646A (zh) * 2020-03-23 2020-07-10 苏州万祥科技股份有限公司 一种电池组件的散热装置
CN111864302A (zh) * 2020-07-24 2020-10-30 广东工业大学 一种动力电池组散热管理系统
CN112864513A (zh) * 2019-11-28 2021-05-28 标致雪铁龙汽车股份有限公司 一种电池包结构及车辆
CN113745692A (zh) * 2021-08-20 2021-12-03 赣州刚一电子商务有限公司 一种新能源汽车电池管理用散热装置
CN114423246A (zh) * 2022-01-25 2022-04-29 高特电驱动科技(徐州)有限公司 一种电动车控制器冷却安装结构
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CN116031538A (zh) * 2023-03-28 2023-04-28 天津博顿电子有限公司 一种电动汽车电池管理装置

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CN113745694B (zh) * 2021-08-24 2023-05-26 三一重工股份有限公司 电池模组及车辆

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CN110544806A (zh) * 2019-09-06 2019-12-06 大同新成新材料股份有限公司 一种箱体式的锂电池散热装置
CN110544806B (zh) * 2019-09-06 2024-04-12 大同新成新材料股份有限公司 一种箱体式的锂电池散热装置
CN112864513A (zh) * 2019-11-28 2021-05-28 标致雪铁龙汽车股份有限公司 一种电池包结构及车辆
CN111403646A (zh) * 2020-03-23 2020-07-10 苏州万祥科技股份有限公司 一种电池组件的散热装置
CN111864302A (zh) * 2020-07-24 2020-10-30 广东工业大学 一种动力电池组散热管理系统
CN113745692A (zh) * 2021-08-20 2021-12-03 赣州刚一电子商务有限公司 一种新能源汽车电池管理用散热装置
CN114423246A (zh) * 2022-01-25 2022-04-29 高特电驱动科技(徐州)有限公司 一种电动车控制器冷却安装结构
CN114572059A (zh) * 2022-05-06 2022-06-03 江苏英拓动力科技有限公司 一种车辆动力电池安全监控装置
CN116031538A (zh) * 2023-03-28 2023-04-28 天津博顿电子有限公司 一种电动汽车电池管理装置

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