WO2022241940A1 - Battery cover plate for new energy vehicle battery - Google Patents

Battery cover plate for new energy vehicle battery Download PDF

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Publication number
WO2022241940A1
WO2022241940A1 PCT/CN2021/107223 CN2021107223W WO2022241940A1 WO 2022241940 A1 WO2022241940 A1 WO 2022241940A1 CN 2021107223 W CN2021107223 W CN 2021107223W WO 2022241940 A1 WO2022241940 A1 WO 2022241940A1
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WIPO (PCT)
Prior art keywords
battery cover
cover plate
battery
positive
new energy
Prior art date
Application number
PCT/CN2021/107223
Other languages
French (fr)
Chinese (zh)
Inventor
朱伟
李志�
李艳芳
胡丽君
胡行
李春华
李荣慧
李文娟
Original Assignee
东莞宜安科技股份有限公司
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Publication of WO2022241940A1 publication Critical patent/WO2022241940A1/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
    • H01M50/271—Lids or covers for the racks or secondary casings
    • 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
    • H01M10/65—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
    • 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
    • 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
    • H01M50/258—Modular batteries; Casings provided with means for assembling
    • 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
    • H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
    • 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
    • H01M50/30—Arrangements for facilitating escape of gases
    • 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 present application relates to the technical field of battery cover plates, in particular to a battery cover plate used for new energy vehicle batteries.
  • the present application is a battery cover plate for new energy vehicle batteries, including a battery cover plate, bolt grooves are provided at the top four corners of the battery cover plate, two reinforcement grooves are provided inside the battery cover plate, and the two Reinforcing ribs are provided inside the reinforcement grooves, positive and negative terminals are symmetrically arranged on both sides of the battery cover, a positive pressure plate is provided inside the positive terminal, a positive pressure plate is provided inside the negative terminal, and a negative pressure plate is provided inside the positive terminal.
  • Insulating plates are arranged inside the positive and negative terminals, and the bottoms of the positive and negative terminals are respectively fixedly connected with a positive pole and a negative pole, and the bottoms of the positive pole and the negative pole are electrically connected with a positive lead piece and a negative lead piece respectively, so Both ends of the top of the battery cover are symmetrically provided with cooling fins, and an explosion-proof valve is provided inside the body of the battery cover.
  • the top of the explosion-proof valve is provided with a protective sticker
  • the interior of the explosion-proof valve is provided with an explosion-proof sheet
  • the interior of the explosion-proof valve is provided with an explosion-proof grille.
  • five air outlet holes are respectively arranged on both sides of the battery cover plate, and a protective cover is connected to the outside of the air outlet holes, and the protective cover body is composed of a filter mesh.
  • the air hole slots are arranged inclined downwards, and the five air outlets communicate with each other.
  • two cooling holes are arranged symmetrically on both sides of the bottom of the battery cover, a cooling fan is arranged inside the cooling holes, and the tops of the two cooling holes communicate with the air outlet.
  • two heat dissipation guide pillars are fixedly connected to the bottom of the battery cover, and the heat dissipation guide pillars correspond to the heat dissipation fins.
  • limiting grooves are provided between the four bolt grooves, and a fixing frame is engaged and connected inside the bolt grooves and the limiting grooves, and hexagonal fixing brackets are arranged inside the four corners of the fixing frame. groove, and the hexagonal fixing groove is engaged with the top of the bolt.
  • the battery cover and positive pole are made of aluminum or aluminum alloy
  • the negative pole is made of copper and aluminum or aluminum alloy
  • the bottom of the battery cover is A dust-proof filter is provided, and the area of the dust-proof filter is equal to the cross-sectional area of the battery cover.
  • absorbent cotton is provided around the bottom of the battery cover, and resin is injected at the bottom connection of the battery cover.
  • This kind of battery cover plate used for new energy vehicle batteries is different from the existing technology. It has a reasonable structure, is convenient to use, and is simple to operate, allowing users to understand the working principle in a simple and clear way; Gas explosion, heat accumulation, and instantaneous pressure increase in the interior will cause an explosion, which will increase the overall safety performance;
  • the heat generated by the battery pack can be quickly conducted through heat transfer through the heat dissipation guide pillars and heat dissipation fins.
  • the evenly distributed heat dissipation guide pillars are equivalent to increasing the hot air in the inner cavity and the battery cover plate.
  • the contact area is large, which is conducive to the heat in the air in the inner cavity being transferred to the outside air through the heat dissipation fins, and combined with the airflow discharged by the heat dissipation fan, the heat is dissipated outward;
  • the bolts can be kept stable, and the bolts can be limited to prevent the bolts from loosening, which will affect the use; by setting the absorbent cotton, it can prevent water from entering the battery pack, damaging the internal components, and affecting the use.
  • Through injection molding resin so that it has good sealing performance, high safety performance, prolongs the effective life of the seal, and also prolongs the service life of the battery.
  • Fig. 1 is a kind of main structure schematic diagram of the battery cover plate that is used for new energy vehicle battery of the present application;
  • Fig. 2 is a schematic diagram of the bottom structure of a battery cover for a new energy vehicle battery in the present application
  • Fig. 3 is a partially enlarged view of a battery cover plate used for a new energy vehicle battery in the present application.
  • this application is a battery cover for new energy vehicle batteries, including a battery cover 1, the top four corners of the battery cover 1 are provided with bolt grooves 2, and the inside of the battery cover 1 is provided with two A reinforcing groove 3, two reinforcing grooves 3 are provided with reinforcing ribs inside, a positive terminal 4 and a negative terminal 5 are symmetrically arranged on both sides of the battery cover plate 1, a positive terminal 4 is provided with a positive pressure plate, and a positive terminal 5 is provided with a positive pressure plate Negative plate, the inside of the positive terminal 4 and the negative terminal 5 are provided with insulating plates, the bottoms of the positive terminal 4 and the negative terminal 5 are respectively fixedly connected with the positive pole 6 and the negative pole 7, and the bottoms of the positive pole 6 and the negative pole 7 are respectively electrically connected with The positive lead 8 and the negative lead 9 are symmetrically provided with cooling fins 10 at both ends of the top of the battery cover 1 , and an explosion-proof valve 11 is provided inside the body of the battery cover
  • the top of the explosion-proof valve 11 is provided with a protective patch 12, the interior of the explosion-proof valve 11 is provided with an explosion-proof sheet, and the interior of the explosion-proof valve 11 is provided with an explosion-proof grille 13.
  • five air outlet holes 14 are respectively arranged on both sides of the battery cover plate 1, and a protective cover 15 is connected to the outside of the air vent hole.
  • the air outlets 14 communicate with each other.
  • the inside can be ventilated and radiated heat, and it can also prevent dust and prevent water from entering the inside, increasing safety.
  • two cooling holes 16 are respectively arranged symmetrically on both sides of the bottom of the battery cover 1, and a cooling fan 1601 is arranged inside the cooling hole 16, and the tops of the two cooling holes 16 communicate with the air outlet hole 14. Better internal heat dissipation increases battery life.
  • two heat dissipation guide posts 17 are fixedly connected to the bottom of the battery cover 1, and the heat dissipation guide posts 17 correspond to the heat dissipation fins 10.
  • the battery pack The generated heat can be conducted quickly, and the uniformly distributed heat dissipation guide pillars 17 are equivalent to increasing the contact area between the hot air in the inner cavity and the battery cover plate, which is conducive to the heat in the air in the inner cavity being conducted to the outside air through the cooling fins 10 In combination with the airflow exhausted by the cooling fan 1601, the heat is dissipated outward.
  • the four bolt grooves 2 are all provided with limiting grooves 18, the bolt grooves 2 and the limiting grooves 18 are internally engaged with a fixed frame 19, and the four corners of the fixed frame 19 are provided with hexagonal fixing grooves inside, and the hexagonal fixing grooves are connected to the top of the bolts.
  • the snap-fit connection is provided with a fixing frame 19, which can keep the bolts stable, limit the bolts, prevent the bolts from loosening, and affect the use.
  • the production material of the battery cover 1 and the positive pole 6 is aluminum or aluminum alloy
  • the production material of the negative pole 7 is a composite of copper and aluminum or aluminum alloy
  • the bottom of the battery cover 1 is provided with a dust-proof filter.
  • the area is equal to the cross-sectional area of the battery cover 1 .
  • the bottom of the battery cover 1 is provided with water-absorbent cotton 20 around the bottom, and the connection at the bottom of the battery cover 1 is injected with resin.
  • resin By setting the water-absorbent cotton 20, water can be prevented from entering the battery pack, damaging internal components, and affecting use.
  • resin By injecting resin, It has good sealing performance, high safety performance, prolongs the effective life of the seal, and also prolongs the service life of the battery.
  • the anti-explosion valve 11 When working, the anti-explosion valve 11 is provided to prevent explosions caused by gas explosion, heat accumulation, and instantaneous pressure increase in the interior, and the overall safety performance is increased.
  • the interior is ventilated and radiated, and it can also prevent dust and water from entering the interior, which increases safety.
  • a cooling fan 1601 By setting a cooling fan 1601, the internal heat dissipation performance is better and the service life of the battery is increased.
  • the terms “installation”, “installation”, “connection”, and “connection” should be understood in a broad sense, for example, it can be a fixed connection, It can also be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components.
  • installation can be a fixed connection, It can also be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components.

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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)
  • Aviation & Aerospace Engineering (AREA)
  • Battery Mounting, Suspending (AREA)
  • Secondary Cells (AREA)
  • Gas Exhaust Devices For Batteries (AREA)

Abstract

A battery cover plate for a new energy vehicle battery, comprising a battery cover plate. Four corners of the top of the battery cover plate are each provided with a bolt slot. Two reinforcing slots are provided inside the battery cover plate. Reinforcing ribs are provided inside both the two reinforcing slots. A positive terminal and a negative terminal are symmetrically provided at two sides of the battery cover plate. A positive pressure plate is provided inside the positive terminal, and a negative pressure plate is provided inside the negative terminal. Insulation plates are provided inside both the positive terminal and the negative terminal. The bottoms of the positive terminal and the negative terminal are fixedly connected to a positive pole and a negative pole, respectively. The bottoms of the positive pole and the negative pole are electrically connected to a positive leading plate and a negative leading plate, respectively. Heat dissipation fins are symmetrically provided at two ends of the top of the battery cover plate. An explosion-proof valve is provided inside the battery cover plate. The battery cover plate for a new energy vehicle battery has a simple and reasonable structure and a novel design, and the battery cover plate is highly applicable.

Description

一种用于新能源汽车电池的电池盖板A battery cover for new energy vehicle batteries 技术领域technical field
本申请涉及电池盖板技术领域，具体为一种用于新能源汽车电池的电池盖板。The present application relates to the technical field of battery cover plates, in particular to a battery cover plate used for new energy vehicle batteries.
背景技术Background technique
随着世界范围内的能源危机和气候变暖，交通运输领域迫切需要一种全新的能源模式，而锂离子电池因其绿色环保，高能量输出等特性引起了交通运输领域的广泛关注，当前，电池的可靠性、安全性也是大容量动力电池制作过程中的一个技术难点和重点，现有电池组件的盖板大都是用螺栓直接固定的，而螺栓长时间使用可能会出现活动，并且长时间与空气接触，会使螺栓出现氧化反应，从而出现生锈现象，导致盖板会出现不稳定的现象，降低了电池组件的实用性，降低了盖板的稳定性，而且内部压力容易过大以及大量热量，进而导致外壳破裂甚至***。因此我们对此做出改进，提出一种用于新能源汽车电池的电池盖板。With the worldwide energy crisis and climate warming, a new energy model is urgently needed in the field of transportation, and lithium-ion batteries have attracted widespread attention in the field of transportation due to their green environmental protection and high energy output. Currently, The reliability and safety of batteries are also a technical difficulty and focus in the production process of large-capacity power batteries. Most of the cover plates of existing battery components are directly fixed with bolts, and bolts may move when used for a long time, and the Contact with air will cause the bolts to undergo oxidation reaction, resulting in rusting, resulting in instability of the cover plate, reducing the practicability of the battery components, reducing the stability of the cover plate, and the internal pressure is prone to excessive and A lot of heat, which in turn can cause the casing to crack or even explode. Therefore, we improve this and propose a battery cover for new energy vehicle batteries.
申请内容application content
为了解决上述技术问题，本申请提供了如下的技术方案：In order to solve the above technical problems, the application provides the following technical solutions:
本申请一种用于新能源汽车电池的电池盖板，包括电池盖板，所述电池盖板顶部四角均设置有螺栓槽，所述电池盖板内部设置有两个加强槽，两个所述加强槽内部均设置加强筋，所述电池盖板两侧对称设置有正极端和负极端，所述正极端内部设置有正极压板，所述负极端内部设置有正极压板负极压板，所述正极端和负极端内部均设置有 绝缘板，所述正极端和负极端底部分别固定连接有正极柱和负极柱，所述正极柱和负极柱底部分别电性连接有正极引片和负极引片，所述电池盖板顶部两端对称设置有散热翅片，所述电池盖板板体内部设置有防爆阀。The present application is a battery cover plate for new energy vehicle batteries, including a battery cover plate, bolt grooves are provided at the top four corners of the battery cover plate, two reinforcement grooves are provided inside the battery cover plate, and the two Reinforcing ribs are provided inside the reinforcement grooves, positive and negative terminals are symmetrically arranged on both sides of the battery cover, a positive pressure plate is provided inside the positive terminal, a positive pressure plate is provided inside the negative terminal, and a negative pressure plate is provided inside the positive terminal. Insulating plates are arranged inside the positive and negative terminals, and the bottoms of the positive and negative terminals are respectively fixedly connected with a positive pole and a negative pole, and the bottoms of the positive pole and the negative pole are electrically connected with a positive lead piece and a negative lead piece respectively, so Both ends of the top of the battery cover are symmetrically provided with cooling fins, and an explosion-proof valve is provided inside the body of the battery cover.
作为本申请的一种优选技术方案，所述防爆阀顶部设置有保护贴片，所述防爆阀内部设置有防爆片，所述防爆阀内部设置防爆格栅。As a preferred technical solution of the present application, the top of the explosion-proof valve is provided with a protective sticker, the interior of the explosion-proof valve is provided with an explosion-proof sheet, and the interior of the explosion-proof valve is provided with an explosion-proof grille.
作为本申请的一种优选技术方案，所述电池盖板两侧分别设置五个出气孔，所述透气孔外部卡合连接有防护盖，所述防护盖盖体由滤网构成，所述出气孔孔槽为向下倾斜设置，且五个所述出气孔相互连通。As a preferred technical solution of the present application, five air outlet holes are respectively arranged on both sides of the battery cover plate, and a protective cover is connected to the outside of the air outlet holes, and the protective cover body is composed of a filter mesh. The air hole slots are arranged inclined downwards, and the five air outlets communicate with each other.
作为本申请的一种优选技术方案，所述电池盖板底部两侧分别对称设置有两个散热孔，所述散热孔内部设置有散热风扇，两个所述散热孔顶部与出气孔相互连通。As a preferred technical solution of the present application, two cooling holes are arranged symmetrically on both sides of the bottom of the battery cover, a cooling fan is arranged inside the cooling holes, and the tops of the two cooling holes communicate with the air outlet.
作为本申请的一种优选技术方案，所述电池盖板底部固定连接有两处散热导柱，所述散热导柱与散热翅片相互对应。As a preferred technical solution of the present application, two heat dissipation guide pillars are fixedly connected to the bottom of the battery cover, and the heat dissipation guide pillars correspond to the heat dissipation fins.
作为本申请的一种优选技术方案，四个所述螺栓槽之间均设置有限位槽，所述螺栓槽和限位槽内部卡合连接有固定架，所述固定架四角内部设置有六角固定槽，所述六角固定槽与螺栓顶部卡合连接。As a preferred technical solution of the present application, limiting grooves are provided between the four bolt grooves, and a fixing frame is engaged and connected inside the bolt grooves and the limiting grooves, and hexagonal fixing brackets are arranged inside the four corners of the fixing frame. groove, and the hexagonal fixing groove is engaged with the top of the bolt.
作为本申请的一种优选技术方案，所述电池盖板和正极柱的制作材料为铝或者铝合金，所述负极柱的制作材料为铜与铝或者铝合金的复合，所述电池盖板底部设置防尘滤网，所述防尘滤网面积等于电池盖板的截面面积。As a preferred technical solution of the present application, the battery cover and positive pole are made of aluminum or aluminum alloy, the negative pole is made of copper and aluminum or aluminum alloy, and the bottom of the battery cover is A dust-proof filter is provided, and the area of the dust-proof filter is equal to the cross-sectional area of the battery cover.
作为本申请的一种优选技术方案，所述电池盖板底部一周设置有吸水棉，所述电池盖板底部连接处注塑有树脂。As a preferred technical solution of the present application, absorbent cotton is provided around the bottom of the battery cover, and resin is injected at the bottom connection of the battery cover.
本申请的有益效果是：The beneficial effect of this application is:
(1)该种用于新能源汽车电池的电池盖板，区别于现有的技术，结构合理，使用方便，操作简单，能够让使用者简单明了的理解工作原理；通过设置有防爆阀，防止内部出现气体暴增、热量聚集，压力瞬间增大而导致***的情况，增加整体的安全性能；(1) This kind of battery cover plate used for new energy vehicle batteries is different from the existing technology. It has a reasonable structure, is convenient to use, and is simple to operate, allowing users to understand the working principle in a simple and clear way; Gas explosion, heat accumulation, and instantaneous pressure increase in the interior will cause an explosion, which will increase the overall safety performance;
(2)通过设置有散热导柱与散热翅片，通过热传递方式，使电池组产生的热量可以快速传导出，均匀分布的散热导柱相当于增加了内腔热空气与电池盖板板体的接触面积，有利于内腔空气中的热量通过散热翅片传导到外界空气中，再配合散热风扇排出的气流，加速了热量向外散发；(2) The heat generated by the battery pack can be quickly conducted through heat transfer through the heat dissipation guide pillars and heat dissipation fins. The evenly distributed heat dissipation guide pillars are equivalent to increasing the hot air in the inner cavity and the battery cover plate. The contact area is large, which is conducive to the heat in the air in the inner cavity being transferred to the outside air through the heat dissipation fins, and combined with the airflow discharged by the heat dissipation fan, the heat is dissipated outward;
(3)通过设置有固定架，可以保持螺栓稳定，对螺栓进行限位，防止螺栓松动，影响使用；通过设置有吸水棉，可以防止水进入电池组，损坏内部元件，影响使用，通过注塑树脂，使其具有良好的密封性能，安全性能高，延长了密封的有效寿命，同时也延长了电池的使用寿命。(3) By setting the fixing frame, the bolts can be kept stable, and the bolts can be limited to prevent the bolts from loosening, which will affect the use; by setting the absorbent cotton, it can prevent water from entering the battery pack, damaging the internal components, and affecting the use. Through injection molding resin , so that it has good sealing performance, high safety performance, prolongs the effective life of the seal, and also prolongs the service life of the battery.
附图说明Description of drawings
附图用来提供对本申请的进一步理解，并且构成说明书的一部分，与本申请的实施例一起用于解释本申请，并不构成对本申请的限制。在附图中：The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used together with the embodiments of the present application to explain the present application, and do not constitute a limitation to the present application. In the attached picture:
图1是本申请一种用于新能源汽车电池的电池盖板的主体结构 示意图；Fig. 1 is a kind of main structure schematic diagram of the battery cover plate that is used for new energy vehicle battery of the present application;
图2是本申请一种用于新能源汽车电池的电池盖板的底部结构示意图；Fig. 2 is a schematic diagram of the bottom structure of a battery cover for a new energy vehicle battery in the present application;
图3是本申请一种用于新能源汽车电池的电池盖板的局部放大图。Fig. 3 is a partially enlarged view of a battery cover plate used for a new energy vehicle battery in the present application.
图中：1、电池盖板；2、螺栓槽；3、加强槽；4、正极端；5、负极端；6、正极柱；7、负极柱；8、正极引片；9、负极引片；10、散热翅片；11、防爆阀；12、保护贴片；13、防爆格栅；14、出气孔；15、防护盖；16、散热孔；1601、散热风扇；17、散热导柱；18、限位槽；19、固定架；20、吸水棉。In the figure: 1. Battery cover plate; 2. Bolt groove; 3. Reinforcing groove; 4. Positive terminal; 5. Negative terminal; 6. Positive pole; 7. Negative pole; 8. Positive lead piece; ;10, cooling fins; 11, explosion-proof valve; 12, protective patch; 13, explosion-proof grille; 14, air outlet; 15, protective cover; 16, cooling hole; 1601, cooling fan; 18, limit slot; 19, fixed frame; 20, absorbent cotton.
具体实施方式Detailed ways
为使本申请实现的技术手段、创作特征、达成目的与功效易于明白了解，下面结合具体实施方式，进一步阐述本申请。In order to make the technical means, creative features, goals and effects achieved by this application easy to understand, the following will further elaborate this application in conjunction with specific implementation methods.
如图1-3所示，本申请一种用于新能源汽车电池的电池盖板，包括电池盖板1，电池盖板1顶部四角均设置有螺栓槽2，电池盖板1内部设置有两个加强槽3，两个加强槽3内部均设置加强筋，电池盖板1两侧对称设置有正极端4和负极端5，正极端4内部设置有正极压板，负极端5内部设置有正极压板负极压板，正极端4和负极端5内部均设置有绝缘板，正极端4和负极端5底部分别固定连接有正极柱6和负极柱7，正极柱6和负极柱7底部分别电性连接有正极引片8和负极引片9，电池盖板1顶部两端对称设置有散热翅片10，电池盖板1板体内部设置有防爆阀11。As shown in Figure 1-3, this application is a battery cover for new energy vehicle batteries, including a battery cover 1, the top four corners of the battery cover 1 are provided with bolt grooves 2, and the inside of the battery cover 1 is provided with two A reinforcing groove 3, two reinforcing grooves 3 are provided with reinforcing ribs inside, a positive terminal 4 and a negative terminal 5 are symmetrically arranged on both sides of the battery cover plate 1, a positive terminal 4 is provided with a positive pressure plate, and a positive terminal 5 is provided with a positive pressure plate Negative plate, the inside of the positive terminal 4 and the negative terminal 5 are provided with insulating plates, the bottoms of the positive terminal 4 and the negative terminal 5 are respectively fixedly connected with the positive pole 6 and the negative pole 7, and the bottoms of the positive pole 6 and the negative pole 7 are respectively electrically connected with The positive lead 8 and the negative lead 9 are symmetrically provided with cooling fins 10 at both ends of the top of the battery cover 1 , and an explosion-proof valve 11 is provided inside the body of the battery cover 1 .
其中，防爆阀11顶部设置有保护贴片12，防爆阀11内部设置有防爆片，防爆阀11内部设置防爆格栅13，通过设置有防爆阀11，防止内部出现气体暴增、热量聚集，压力瞬间增大而导致***的情况，增加整体的安全性能。Among them, the top of the explosion-proof valve 11 is provided with a protective patch 12, the interior of the explosion-proof valve 11 is provided with an explosion-proof sheet, and the interior of the explosion-proof valve 11 is provided with an explosion-proof grille 13. Instantaneous increase and cause explosion, increase the overall safety performance.
其中，电池盖板1两侧分别设置五个出气孔14，透气孔外部卡合连接有防护盖15，防护盖15盖体由滤网构成，出气孔14孔槽为向下倾斜设置，且五个出气孔14相互连通，通过设置有出气孔14和防护盖15，既可以对内部进行透气和散热，还可以防尘和防止水进入内部，增加了安全性。Wherein, five air outlet holes 14 are respectively arranged on both sides of the battery cover plate 1, and a protective cover 15 is connected to the outside of the air vent hole. The air outlets 14 communicate with each other. By being provided with the air outlets 14 and the protective cover 15, the inside can be ventilated and radiated heat, and it can also prevent dust and prevent water from entering the inside, increasing safety.
其中，电池盖板1底部两侧分别对称设置有两个散热孔16，散热孔16内部设置有散热风扇1601，两个散热孔16顶部与出气孔14相互连通，通过设置有散热风扇1601，使内部散热性能更好，增加了电池的使用寿命。Wherein, two cooling holes 16 are respectively arranged symmetrically on both sides of the bottom of the battery cover 1, and a cooling fan 1601 is arranged inside the cooling hole 16, and the tops of the two cooling holes 16 communicate with the air outlet hole 14. Better internal heat dissipation increases battery life.
其中，电池盖板1底部固定连接有两处散热导柱17，散热导柱17与散热翅片10相互对应，通过设置有散热导柱17与散热翅片10，通过热传递方式，使电池组产生的热量可以快速传导出，均匀分布的散热导柱17相当于增加了内腔热空气与电池盖板板体的接触面积，有利于内腔空气中的热量通过散热翅片10传导到外界空气中，再配合散热风扇1601排出的气流，加速了热量向外散发。Among them, two heat dissipation guide posts 17 are fixedly connected to the bottom of the battery cover 1, and the heat dissipation guide posts 17 correspond to the heat dissipation fins 10. By setting the heat dissipation guide posts 17 and the heat dissipation fins 10, the battery pack The generated heat can be conducted quickly, and the uniformly distributed heat dissipation guide pillars 17 are equivalent to increasing the contact area between the hot air in the inner cavity and the battery cover plate, which is conducive to the heat in the air in the inner cavity being conducted to the outside air through the cooling fins 10 In combination with the airflow exhausted by the cooling fan 1601, the heat is dissipated outward.
其中，四个螺栓槽2之间均设置有限位槽18，螺栓槽2和限位槽18内部卡合连接有固定架19，固定架19四角内部设置有六角固定槽，六角固定槽与螺栓顶部卡合连接，通过设置有固定架19，可 以保持螺栓稳定，对螺栓进行限位，防止螺栓松动，影响使用。Among them, the four bolt grooves 2 are all provided with limiting grooves 18, the bolt grooves 2 and the limiting grooves 18 are internally engaged with a fixed frame 19, and the four corners of the fixed frame 19 are provided with hexagonal fixing grooves inside, and the hexagonal fixing grooves are connected to the top of the bolts. The snap-fit connection is provided with a fixing frame 19, which can keep the bolts stable, limit the bolts, prevent the bolts from loosening, and affect the use.
其中，电池盖板1和正极柱6的制作材料为铝或者铝合金，负极柱7的制作材料为铜与铝或者铝合金的复合，电池盖板1底部设置防尘滤网，防尘滤网面积等于电池盖板1的截面面积。Wherein, the production material of the battery cover 1 and the positive pole 6 is aluminum or aluminum alloy, the production material of the negative pole 7 is a composite of copper and aluminum or aluminum alloy, and the bottom of the battery cover 1 is provided with a dust-proof filter. The area is equal to the cross-sectional area of the battery cover 1 .
其中，电池盖板1底部一周设置有吸水棉20，电池盖板1底部连接处注塑有树脂，通过设置有吸水棉20，可以防止水进入电池组，损坏内部元件，影响使用，通过注塑树脂，使其具有良好的密封性能，安全性能高，延长了密封的有效寿命，同时也延长了电池的使用寿命。Among them, the bottom of the battery cover 1 is provided with water-absorbent cotton 20 around the bottom, and the connection at the bottom of the battery cover 1 is injected with resin. By setting the water-absorbent cotton 20, water can be prevented from entering the battery pack, damaging internal components, and affecting use. By injecting resin, It has good sealing performance, high safety performance, prolongs the effective life of the seal, and also prolongs the service life of the battery.
工作时，通过设置有防爆阀11，防止内部出现气体暴增、热量聚集，压力瞬间增大而导致***的情况，增加整体的安全性能，通过设置有出气孔14和防护盖15，既可以对内部进行透气和散热，还可以防尘和防止水进入内部，增加了安全性，通过设置有散热风扇1601，使内部散热性能更好，增加了电池的使用寿命，通过设置有散热导柱17与散热翅片10，通过热传递方式，使电池组产生的热量可以快速传导出，均匀分布的散热导柱17相当于增加了内腔热空气与电池盖板板体的接触面积，有利于内腔空气中的热量通过散热翅片10传导到外界空气中，再配合散热风扇1601排出的气流，加速了热量向外散发，通过设置有固定架19，可以保持螺栓稳定，对螺栓进行限位，防止螺栓松动，影响使用，通过设置有吸水棉20，可以防止水进入电池组，损坏内部元件，影响使用，通过注塑树脂，使其具有良好的密封性能，安全性能高，延长了密封的有效寿命，同时也延长了电池的使用寿命。When working, the anti-explosion valve 11 is provided to prevent explosions caused by gas explosion, heat accumulation, and instantaneous pressure increase in the interior, and the overall safety performance is increased. The interior is ventilated and radiated, and it can also prevent dust and water from entering the interior, which increases safety. By setting a cooling fan 1601, the internal heat dissipation performance is better and the service life of the battery is increased. By setting a cooling guide column 17 and The heat dissipation fins 10, through the heat transfer method, enable the heat generated by the battery pack to be quickly conducted out, and the evenly distributed heat dissipation guide pillars 17 are equivalent to increasing the contact area between the hot air in the inner cavity and the battery cover plate, which is beneficial to the inner cavity The heat in the air is transferred to the outside air through the heat dissipation fins 10, and then cooperates with the airflow discharged by the heat dissipation fan 1601 to accelerate the heat to be dissipated outwards. By being provided with a fixing frame 19, the bolts can be kept stable, and the bolts can be limited to prevent The bolts are loose, which affects the use. By setting the absorbent cotton 20, it can prevent water from entering the battery pack, damaging the internal components, and affecting the use. By injecting resin, it has good sealing performance, high safety performance, and prolongs the effective life of the seal. It also prolongs the battery life.
最后应说明的是：在本申请的描述中，需要说明的是，术语“竖直”、“上”、“下”、“水平”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。Finally, it should be noted that in the description of this application, it should be noted that the orientation or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal" etc. is based on the orientation shown in the drawings Or positional relationship is only for the convenience of describing the present application and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present application.
在本申请的描述中，还需要说明的是，除非另有明确的规定和限定，术语“设置”、“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本申请中的具体含义。In the description of this application, it should also be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "installation", "connection", and "connection" should be understood in a broad sense, for example, it can be a fixed connection, It can also be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application according to specific situations.
以上所述仅为本申请的优选实施例而已，并不用于限制本申请，尽管参照前述实施例对本申请进行了详细的说明，对于本领域的技术人员来说，其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换。凡在本申请的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本申请的保护范围之内。The above is only a preferred embodiment of the application, and is not intended to limit the application. Although the application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still understand the foregoing embodiments The recorded technical solutions are modified, or some of the technical features are equivalently replaced. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of this application shall be included within the protection scope of this application.

Claims (8)

  1. 一种用于新能源汽车电池的电池盖板，包括电池盖板(1)，其特征在于，所述电池盖板(1)顶部四角均设置有螺栓槽(2)，所述电池盖板(1)内部设置有两个加强槽(3)，两个所述加强槽(3)内部均设置加强筋，所述电池盖板(1)两侧对称设置有正极端(4)和负极端(5)，所述正极端(4)内部设置有正极压板，所述负极端(5)内部设置有正极压板负极压板，所述正极端(4)和负极端(5)内部均设置有绝缘板，所述正极端(4)和负极端(5)底部分别固定连接有正极柱(6)和负极柱(7)，所述正极柱(6)和负极柱(7)底部分别电性连接有正极引片(8)和负极引片(9)，所述电池盖板(1)顶部两端对称设置有散热翅片(10)，所述电池盖板(1)板体内部设置有防爆阀(11)。A battery cover plate for a new energy vehicle battery, comprising a battery cover plate (1), characterized in that bolt grooves (2) are provided at the top four corners of the battery cover plate (1), and the battery cover plate ( 1) There are two reinforcing grooves (3) inside, and reinforcing ribs are arranged inside the two reinforcing grooves (3), and the battery cover (1) is symmetrically arranged with positive terminals (4) and negative terminals ( 5), the inside of the positive end (4) is provided with a positive pressure plate, the inside of the negative end (5) is provided with a positive pressure plate and a negative pressure plate, and the inside of the positive end (4) and the negative end (5) are both provided with insulating plates , the bottoms of the positive pole (4) and the negative pole (5) are respectively fixedly connected with a positive pole (6) and a negative pole (7), and the bottoms of the positive pole (6) and the negative pole (7) are respectively electrically connected with The positive lead (8) and the negative lead (9), the two ends of the top of the battery cover (1) are symmetrically provided with cooling fins (10), and the inside of the battery cover (1) is provided with an explosion-proof valve (11).
  2. 根据权利要求1所述的一种用于新能源汽车电池的电池盖板，其特征在于，所述防爆阀(11)顶部设置有保护贴片(12)，所述防爆阀(11)内部设置有防爆片，所述防爆阀(11)内部设置防爆格栅(13)。A battery cover plate for new energy vehicle batteries according to claim 1, characterized in that a protective patch (12) is provided on the top of the explosion-proof valve (11), and a protective sticker (12) is provided inside the explosion-proof valve (11) An explosion-proof plate is provided, and an explosion-proof grille (13) is arranged inside the explosion-proof valve (11).
  3. 根据权利要求1所述的一种用于新能源汽车电池的电池盖板，其特征在于，所述电池盖板(1)两侧分别设置五个出气孔(14)，所述透气孔外部卡合连接有防护盖(15)，所述防护盖(15)盖体由滤网构成，所述出气孔(14)孔槽为向下倾斜设置，且五个所述出气孔(14)相互连通。A battery cover plate for a new energy vehicle battery according to claim 1, characterized in that, five air outlet holes (14) are respectively arranged on both sides of the battery cover plate (1), and the air outlet holes are externally locked. A protective cover (15) is connected together, and the cover body of the protective cover (15) is made of a filter screen, and the slots of the air outlet holes (14) are inclined downward, and the five air outlet holes (14) communicate with each other .
  4. 根据权利要求1所述的一种用于新能源汽车电池的电池盖板，其特征在于，所述电池盖板(1)底部两侧分别对称设置有两个散热 孔(16)，所述散热孔(16)内部设置有散热风扇(1601)，两个所述散热孔(16)顶部与出气孔(14)相互连通。A battery cover plate for a new energy vehicle battery according to claim 1, characterized in that two cooling holes (16) are symmetrically arranged on both sides of the bottom of the battery cover plate (1), and the heat dissipation A cooling fan (1601) is arranged inside the hole (16), and the tops of the two cooling holes (16) communicate with the air outlet hole (14).
  5. 根据权利要求1所述的一种用于新能源汽车电池的电池盖板，其特征在于，所述电池盖板(1)底部固定连接有两处散热导柱(17)，所述散热导柱(17)与散热翅片(10)相互对应。A battery cover plate for new energy vehicle batteries according to claim 1, characterized in that two heat dissipation guide posts (17) are fixedly connected to the bottom of the battery cover plate (1), and the heat dissipation guide posts (17) and heat dissipation fins (10) correspond to each other.
  6. 根据权利要求1所述的一种用于新能源汽车电池的电池盖板，其特征在于，四个所述螺栓槽(2)之间均设置有限位槽(18)，所述螺栓槽(2)和限位槽(18)内部卡合连接有固定架(19)，所述固定架(19)四角内部设置有六角固定槽，所述六角固定槽与螺栓顶部卡合连接。A battery cover plate for a new energy vehicle battery according to claim 1, characterized in that, limiting slots (18) are arranged between the four bolt slots (2), and the bolt slots (2) ) and the limit groove (18) are internally engaged with a fixed frame (19), and the inside of the four corners of the fixed frame (19) is provided with a hexagonal fixed groove, and the hexagonal fixed groove is connected with the top of the bolt.
  7. 根据权利要求1所述的一种用于新能源汽车电池的电池盖板，其特征在于，所述电池盖板(1)和正极柱(6)的制作材料为铝或者铝合金，所述负极柱(7)的制作材料为铜与铝或者铝合金的复合，所述电池盖板(1)底部设置防尘滤网，所述防尘滤网面积等于电池盖板(1)的截面面积。A battery cover plate for a new energy vehicle battery according to claim 1, characterized in that the battery cover plate (1) and the positive pole (6) are made of aluminum or aluminum alloy, and the negative pole The column (7) is made of composite copper and aluminum or aluminum alloy, and a dustproof filter is provided at the bottom of the battery cover (1), and the area of the dustproof filter is equal to the cross-sectional area of the battery cover (1).
  8. 根据权利要求1所述的一种用于新能源汽车电池的电池盖板，其特征在于，所述电池盖板(1)底部一周设置有吸水棉(20)，所述电池盖板(1)底部连接处注塑有树脂。A battery cover for new energy vehicle batteries according to claim 1, characterized in that absorbent cotton (20) is provided around the bottom of the battery cover (1), and the battery cover (1) The bottom joint is injected with resin.
PCT/CN2021/107223 2021-05-20 2021-07-20 Battery cover plate for new energy vehicle battery WO2022241940A1 (en)

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CN208986031U (en) * 2018-11-19 2019-06-14 东莞市曼科五金制品有限公司 A kind of battery cover board for new energy car battery
CN110010819A (en) * 2019-05-05 2019-07-12 张家港润盛科技材料有限公司 A kind of battery aluminum cover board of new-energy automobile

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