WO2021139058A1 - New energy battery box assembly structure - Google Patents

New energy battery box assembly structure Download PDF

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Publication number
WO2021139058A1
WO2021139058A1 PCT/CN2020/088263 CN2020088263W WO2021139058A1 WO 2021139058 A1 WO2021139058 A1 WO 2021139058A1 CN 2020088263 W CN2020088263 W CN 2020088263W WO 2021139058 A1 WO2021139058 A1 WO 2021139058A1
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WIPO (PCT)
Prior art keywords
water
profile
bottom plate
profiles
cooling
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PCT/CN2020/088263
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French (fr)
Chinese (zh)
Inventor
江民
王中玉
刘滕
谢刚
董连庆
安学文
Original Assignee
南京创源天地动力科技有限公司
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Priority to DE212020000070.0U priority Critical patent/DE212020000070U1/en
Publication of WO2021139058A1 publication Critical patent/WO2021139058A1/en

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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
    • 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
    • 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
    • H01M10/61—Types of temperature control
    • H01M10/615—Heating or keeping warm
    • 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
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6554—Rods or plates
    • 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
    • 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
    • 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 a new energy battery box assembly structure.
  • the water-cooled box in the existing new energy vehicle is separated from the water-cooled plate, which occupies a large space, is troublesome in loading and unloading, and has poor use effect. Therefore, it is indeed necessary to improve the existing technology to solve the shortcomings of the existing technology.
  • the present invention provides a new energy battery box assembly structure in order to solve the above-mentioned problems in the prior art.
  • a new energy battery box assembly structure including side profile, end profile, water-cooled profile and blocking block, two side profile and two end profile are welded to form a rectangular shape Frame body, a number of water-cooled profiles are welded to each other to form a bottom plate, the bottom plate is welded on the bottom surface of the frame body, each water-cooled profile is provided with a water-cooled runner, and the water-cooled runners on two adjacent water-cooled profiles in the bottom plate are connected , Welding plugs on both ends of the bottom plate, the plugging blocks close the end surface of the water-cooled flow channel on the water-cooled profile, and the bottom plate is provided with water inlets and water outlets;
  • the end profile includes a front end profile and a rear end profile.
  • the side profile, the front end profile and the rear end profile are all Z-shaped structures with two horizontal sides and one vertical side,
  • Rectangular holes are provided on the bottom horizontal edge of the side profile and the bottom horizontal edge of the rear profile; the ends of the top horizontal plane in the side profile, the front profile and the rear profile are all bent down and formed Sidewall
  • the cross section of the blocking block is a T-shaped structure.
  • the water inlet and the water outlet on the bottom plate are arranged on the upper end surface of the bottom plate, and the water inlet and the water outlet are correspondingly provided with water nozzles.
  • a hook is provided on the outer wall of the side profile.
  • the present invention integrates the traditional water-cooled separation plate and the box body, which is simpler than the conventional ones on the market, and each water-cooled profile is provided with a water-cooled runner, which meets the requirements of battery thermal management according to the working conditions; the present invention uses general profiles Tailored welding technology, high efficiency in grouping, 30% increase in light weight, high-strength 6-series aluminum alloy composition, high structural strength, strong corrosion resistance; heat dissipation and heating efficiency increased by 30%.
  • FIG. 1 and Figure 2 are structural diagrams of the present invention.
  • Figure 3 is an exploded view of the present invention.
  • Fig. 4 is a structural diagram of the side profile, the front profile and the rear profile in the present invention.
  • Figure 5 is a structural diagram of the blocking block in the present invention.
  • Figure 6 is a structural diagram of the water-cooled profile of the present invention.
  • a new energy battery box assembly structure of the present invention includes a side profile 11, an end profile 12, a water-cooled profile 13 and a blocking block 14, two side profiles 11 and two end profiles 12 They are welded together to form a rectangular frame.
  • Several water-cooled profiles 13 are welded to each other to form a bottom plate.
  • the bottom plate is welded on the bottom surface of the frame.
  • Each water-cooled profile 13 is provided with a water-cooled runner 130.
  • the water-cooled flow channel 130 on the water-cooled profile 13 is connected, and the two ends of the bottom plate are welded with blocking blocks 14 which seal the end surface of the water-cooled flow channel 130 on the water-cooled profile 13 and the bottom plate is provided with water inlets and water outlets.
  • the end profile 12 in the present invention includes a front profile 121 and a rear profile 122.
  • the side profile 11, the front profile 121 and the rear profile 122 are all Z-shaped structures with two horizontal sides and one vertical side. Rectangular holes are provided on the bottom horizontal edge of the rear profile 122 and the bottom horizontal edge of the rear profile 122; the ends of the top horizontal plane of the side profile 11, the front profile 121 and the rear profile 122 are all bent downwards and
  • the rib 100 is formed; the cross section of the blocking block 14 is a T-shaped structure.
  • the water inlet and the water outlet on the bottom plate are arranged on the upper end surface of the bottom plate, and water nozzles 31 are correspondingly provided on the water inlet and the water outlet.
  • a hook 111 is provided on the outer wall of the side profile 11.
  • the present invention integrates the traditional water-cooled separation plate and the box body, which is simpler than the conventional structure on the market.
  • Each water-cooled profile 13 is provided with a water-cooled runner 130, which meets the requirements of battery thermal management according to the working conditions; the present invention uses General-purpose tailor-welded profile welding technology, high group efficiency, 30% lighter weight, high-strength 6-series aluminum alloy composition, high structural strength, strong corrosion resistance; heat dissipation and heating efficiency increased by 30%.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Secondary Cells (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

Disclosed is a new energy battery box assembly structure, comprising side surface profiles, end face profiles, water-cooling profiles, and plugging blocks. The two side surface profiles and the two end face profiles are welded to form a rectangular frame. A plurality of water-cooling profiles are welded to each other to form a bottom plate. The bottom plate is welded to the bottom surface of the frame. Each water-cooling profile is provided with a water-cooling flow channel. The water-cooling flow channels on two adjacent water-cooling profiles in the bottom plate communicate with each other. The plugging blocks are welded to two ends of the bottom plate. The plugging blocks seal end faces of the water-cooling flow channels on the water-cooling profiles. The bottom plate is provided with a water inlet and a water outlet. The present invention integrates a conventional water-cooling separation plate with a box. Compared with a conventional simple structure on the market, each water-cooling profile is provided with a water-cooling flow channel, so that battery heat management requirements are met according to working conditions. By using a universal profile welding process in the present invention, the grouping efficiency is high, and the weight reduction effect is improved by 30%; the structure consists of high-strength six-series aluminum alloys, and therefore has high structural strength and high corrosion resistance; the heat dissipation and heating efficiency are improved by 30%.

Description

一种新能源电池箱体总成结构New energy battery box assembly structure 技术领域：Technical field:
本发明涉及一种新能源电池箱体总成结构。The invention relates to a new energy battery box assembly structure.
背景技术：Background technique:
现有的新能源汽车中的水冷箱体与水冷板分开，占据空间大，装卸麻烦，使用效果不好。因此，确有必要对现有技术进行改进以解决现有技术之不足。The water-cooled box in the existing new energy vehicle is separated from the water-cooled plate, which occupies a large space, is troublesome in loading and unloading, and has poor use effect. Therefore, it is indeed necessary to improve the existing technology to solve the shortcomings of the existing technology.
发明内容：Summary of the invention:
本发明是为了解决上述现有技术存在的问题而提供一种新能源电池箱体总成结构。The present invention provides a new energy battery box assembly structure in order to solve the above-mentioned problems in the prior art.
本发明所采用的技术方案有：一种新能源电池箱体总成结构，包括侧面型材、端面型材、水冷型材和堵块，两块侧面型材和两块端面型材相焊接并形成一个矩形状的框体，若干个水冷型材相互焊接并形成底板，所述底板焊接在框体的底面上，在每个水冷型材上设有水冷流道，底板中相邻两水冷型材上的水冷流道相连通，在底板的两端焊接堵块，堵块将水冷型材上水冷流道的端面封闭，在底板上设有进水口和出水口；The technical scheme adopted by the present invention is: a new energy battery box assembly structure, including side profile, end profile, water-cooled profile and blocking block, two side profile and two end profile are welded to form a rectangular shape Frame body, a number of water-cooled profiles are welded to each other to form a bottom plate, the bottom plate is welded on the bottom surface of the frame body, each water-cooled profile is provided with a water-cooled runner, and the water-cooled runners on two adjacent water-cooled profiles in the bottom plate are connected , Welding plugs on both ends of the bottom plate, the plugging blocks close the end surface of the water-cooled flow channel on the water-cooled profile, and the bottom plate is provided with water inlets and water outlets;
所述端面型材包括前端型材和后端型材，所述侧面型材、前端型材和后端型材均为具有两个水平边和一个竖直边的Z形结构，The end profile includes a front end profile and a rear end profile. The side profile, the front end profile and the rear end profile are all Z-shaped structures with two horizontal sides and one vertical side,
在侧面型材中的底侧水平边上以及后端型材中的底侧水平边上均设有矩形孔；侧面型材、前端型材和后端型材中的顶侧水平面的末端均向下折弯并形成挡边；Rectangular holes are provided on the bottom horizontal edge of the side profile and the bottom horizontal edge of the rear profile; the ends of the top horizontal plane in the side profile, the front profile and the rear profile are all bent down and formed Sidewall
所述堵块的截面为T形状结构。The cross section of the blocking block is a T-shaped structure.
进一步地，所述底板上的进水口和出水口设置在底板的上端面上，在进水口和出水口上对应设有水嘴。Further, the water inlet and the water outlet on the bottom plate are arranged on the upper end surface of the bottom plate, and the water inlet and the water outlet are correspondingly provided with water nozzles.
进一步地，所述侧面型材的外壁上设有挂钩。Further, a hook is provided on the outer wall of the side profile.
本发明具有如下有益效果：The present invention has the following beneficial effects:
本发明将传统的水冷分离板与箱体进行集成化，相比市面上常规的结构简单，在每个水冷型材上设有水冷流道，依工况符合电池热管理需求；本发明利用通用型材拼焊工 艺，成组效率高，轻量化提升30％，高强度6系铝合金组成，结构强度高，防腐性强；散热与加热效率提升30％。The present invention integrates the traditional water-cooled separation plate and the box body, which is simpler than the conventional ones on the market, and each water-cooled profile is provided with a water-cooled runner, which meets the requirements of battery thermal management according to the working conditions; the present invention uses general profiles Tailored welding technology, high efficiency in grouping, 30% increase in light weight, high-strength 6-series aluminum alloy composition, high structural strength, strong corrosion resistance; heat dissipation and heating efficiency increased by 30%.
附图说明：Description of the drawings:
图1和图2为本发明结构图。Figure 1 and Figure 2 are structural diagrams of the present invention.
图3为本发明爆炸图。Figure 3 is an exploded view of the present invention.
图4为本发明中侧面型材、前端型材和后端型材的结构图。Fig. 4 is a structural diagram of the side profile, the front profile and the rear profile in the present invention.
图5为本发明中堵块的结构图。Figure 5 is a structural diagram of the blocking block in the present invention.
图6为本发明中水冷型材的结构图。Figure 6 is a structural diagram of the water-cooled profile of the present invention.
具体实施方式：Detailed ways:
下面结合附图对本发明作进一步的说明。The present invention will be further described below in conjunction with the accompanying drawings.
如图1至图6所示，本发明一种新能源电池箱体总成结构，包括侧面型材11、端面型材12、水冷型材13和堵块14，两块侧面型材11和两块端面型材12相焊接并形成一个矩形状的框体，若干个水冷型材13相互焊接并形成底板，底板焊接在框体的底面上，在每个水冷型材13上设有水冷流道130，底板中相邻两水冷型材13上的水冷流道130相连通，在底板的两端焊接堵块14，堵块14将水冷型材13上水冷流道130的端面封闭，在底板上设有进水口和出水口。As shown in Figures 1 to 6, a new energy battery box assembly structure of the present invention includes a side profile 11, an end profile 12, a water-cooled profile 13 and a blocking block 14, two side profiles 11 and two end profiles 12 They are welded together to form a rectangular frame. Several water-cooled profiles 13 are welded to each other to form a bottom plate. The bottom plate is welded on the bottom surface of the frame. Each water-cooled profile 13 is provided with a water-cooled runner 130. The water-cooled flow channel 130 on the water-cooled profile 13 is connected, and the two ends of the bottom plate are welded with blocking blocks 14 which seal the end surface of the water-cooled flow channel 130 on the water-cooled profile 13 and the bottom plate is provided with water inlets and water outlets.
本发明中的端面型材12包括前端型材121和后端型材122，侧面型材11、前端型材121和后端型材122均为具有两个水平边和一个竖直边的Z形结构，在侧面型材11中的底侧水平边上以及后端型材122中的底侧水平边上均设有矩形孔；侧面型材11、前端型材121和后端型材122中的顶侧水平面的末端均向下折弯并形成挡边100；堵块14的截面为T形状结构。The end profile 12 in the present invention includes a front profile 121 and a rear profile 122. The side profile 11, the front profile 121 and the rear profile 122 are all Z-shaped structures with two horizontal sides and one vertical side. Rectangular holes are provided on the bottom horizontal edge of the rear profile 122 and the bottom horizontal edge of the rear profile 122; the ends of the top horizontal plane of the side profile 11, the front profile 121 and the rear profile 122 are all bent downwards and The rib 100 is formed; the cross section of the blocking block 14 is a T-shaped structure.
底板上的进水口和出水口设置在底板的上端面上，在进水口和出水口上对应设有水嘴31。The water inlet and the water outlet on the bottom plate are arranged on the upper end surface of the bottom plate, and water nozzles 31 are correspondingly provided on the water inlet and the water outlet.
在侧面型材11的外壁上设有挂钩111。A hook 111 is provided on the outer wall of the side profile 11.
本发明将传统的水冷分离板与箱体进行集成化，相比市面上常规的结构简单，在每个水冷型材13上设有水冷流道130，依工况符合电池热管理需求；本发明利用通用型材 拼焊工艺，成组效率高，轻量化提升30％，高强度6系铝合金组成，结构强度高，防腐性强；散热与加热效率提升30％。The present invention integrates the traditional water-cooled separation plate and the box body, which is simpler than the conventional structure on the market. Each water-cooled profile 13 is provided with a water-cooled runner 130, which meets the requirements of battery thermal management according to the working conditions; the present invention uses General-purpose tailor-welded profile welding technology, high group efficiency, 30% lighter weight, high-strength 6-series aluminum alloy composition, high structural strength, strong corrosion resistance; heat dissipation and heating efficiency increased by 30%.
以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下还可以作出若干改进，这些改进也应视为本发明的保护范围。The above are only the preferred embodiments of the present invention. It should be pointed out that for those of ordinary skill in the art, several improvements can be made without departing from the principles of the present invention, and these improvements should also be regarded as the present invention. protected range.

Claims (3)

  1. 一种新能源电池箱体总成结构，其特征在于：包括侧面型材(11)、端面型材(12)、水冷型材(13)和堵块(14)，两块侧面型材(11)和两块端面型材(12)相焊接并形成一个矩形状的框体，若干个水冷型材(13)相互焊接并形成底板，所述底板焊接在框体的底面上，在每个水冷型材(13)上设有水冷流道(130)，底板中相邻两水冷型材(13)上的水冷流道(130)相连通，在底板的两端焊接堵块(14)，堵块(14)将水冷型材(13)上水冷流道(130)的端面封闭，在底板上设有进水口和出水口；A new energy battery box assembly structure, which is characterized in that it includes a side profile (11), an end profile (12), a water-cooled profile (13) and a blocking block (14), two side profiles (11) and two The end profile (12) is welded to form a rectangular frame. Several water-cooled profiles (13) are welded to each other to form a bottom plate. The bottom plate is welded on the bottom surface of the frame. Each water-cooled profile (13) is provided There is a water-cooled runner (130), the water-cooled runners (130) on two adjacent water-cooled profiles (13) in the bottom plate are connected, and the two ends of the bottom plate are welded with blocking blocks (14), and the blocking blocks (14) connect the water-cooled profiles ( 13) The end surface of the upper water cooling channel (130) is closed, and there are water inlets and water outlets on the bottom plate;
    所述端面型材(12)包括前端型材(121)和后端型材(122)，所述侧面型材(11)、前端型材(121)和后端型材(122)均为具有两个水平边和一个竖直边的Z形结构，The end profile (12) includes a front profile (121) and a rear profile (122). The side profile (11), the front profile (121) and the rear profile (122) all have two horizontal sides and one Z-shaped structure with vertical sides,
    在侧面型材(11)中的底侧水平边上以及后端型材(122)中的底侧水平边上均设有矩形孔；侧面型材(11)、前端型材(121)和后端型材(122)中的顶侧水平面的末端均向下折弯并形成挡边(100)；There are rectangular holes on the bottom horizontal edge of the side profile (11) and the bottom horizontal edge of the rear profile (122); the side profile (11), the front profile (121) and the rear profile (122) The ends of the top horizontal plane in) are all bent downward to form a rib (100);
    所述堵块(14)的截面为T形状结构。The cross section of the blocking block (14) is a T-shaped structure.
  2. 如权利要求1所述的新能源电池箱体总成结构，其特征在于：所述底板上的进水口和出水口设置在底板的上端面上，在进水口和出水口上对应设有水嘴(31)。The new energy battery box assembly structure according to claim 1, wherein the water inlet and the water outlet on the bottom plate are arranged on the upper end surface of the bottom plate, and the water inlet and the water outlet are correspondingly provided with water nozzles (31).
  3. 如权利要求1所述的新能源电池箱体总成结构，其特征在于：所述侧面型材(11)的外壁上设有挂钩(111)。The new energy battery box assembly structure according to claim 1, wherein a hook (111) is provided on the outer wall of the side profile (11).
PCT/CN2020/088263 2020-01-12 2020-04-30 New energy battery box assembly structure WO2021139058A1 (en)

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Application Number Priority Date Filing Date Title
DE212020000070.0U DE212020000070U1 (en) 2020-01-12 2020-04-30 Module structure of a box for new energy batteries

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CN202010028869.2 2020-01-12
CN202010028869.2A CN111211266A (en) 2020-01-12 2020-01-12 New energy battery box assembly structure

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CN113823871A (en) * 2021-10-11 2021-12-21 宁波信泰机械有限公司 Tray under integrated water cooling system's aluminium alloy battery box

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CN207217634U (en) * 2017-09-29 2018-04-10 宁德时代新能源科技股份有限公司 Battery case
CN207781673U (en) * 2017-12-05 2018-08-28 北京普莱德新能源电池科技有限公司 A kind of integral type water cooling power battery box
CN109599518A (en) * 2018-12-11 2019-04-09 江苏金坛绿能新能源科技有限公司 Power battery box structure

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207217634U (en) * 2017-09-29 2018-04-10 宁德时代新能源科技股份有限公司 Battery case
CN207781673U (en) * 2017-12-05 2018-08-28 北京普莱德新能源电池科技有限公司 A kind of integral type water cooling power battery box
CN109599518A (en) * 2018-12-11 2019-04-09 江苏金坛绿能新能源科技有限公司 Power battery box structure

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