WO2023071779A1 - 一种电池包箱体、电池、用电装置及储电柜 - Google Patents

一种电池包箱体、电池、用电装置及储电柜 Download PDF

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Publication number
WO2023071779A1
WO2023071779A1 PCT/CN2022/124641 CN2022124641W WO2023071779A1 WO 2023071779 A1 WO2023071779 A1 WO 2023071779A1 CN 2022124641 W CN2022124641 W CN 2022124641W WO 2023071779 A1 WO2023071779 A1 WO 2023071779A1
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WIPO (PCT)
Prior art keywords
battery
battery pack
wall
present application
sealing groove
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Application number
PCT/CN2022/124641
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English (en)
French (fr)
Inventor
潘鑫
陈智明
Original Assignee
宁德时代新能源科技股份有限公司
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Publication of WO2023071779A1 publication Critical patent/WO2023071779A1/zh

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Classifications

    • 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
    • H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
    • H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
    • 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
    • H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
    • 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
    • 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
    • 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 packs, in particular to a battery pack case, a battery, an electrical device and an electrical storage cabinet.
  • lithium-ion batteries have been used more and more widely, not only in the field of ordinary electronics, but also in the fields of power and energy storage.
  • Lithium battery packs need to consider the environment of use, such as rainy and snowy weather, freezing weather, etc. The requirements of various environments have put forward high standards of waterproof requirements for lithium battery packs.
  • the present application provides a battery pack box with a vertical sealing structure, a battery pack, an electrical device, and a power storage cabinet, which can improve the waterproof performance of the existing battery pack box and make the lithium battery pack in the rain
  • the water resistance can also be guaranteed in the snowy environment, so as to meet the needs of users.
  • the application provides a battery pack case with a vertical sealing structure, including a case body and an upper cover; a sealing structure is provided inside the upper opening of the case body, and the upper cover is installed with the case body through the sealing structure ;
  • the sealing structure includes a sealing strip and a U-shaped sealing groove.
  • the sealing strip is arranged on the inner wall of the U-shaped sealing groove; the side of the upper cover extends toward the side of the box with an extension part inserted into the U-shaped sealing groove and attached to the sealing strip.
  • the extension part of the upper cover is inserted into the vertical sealing structure at the inner side of the upper opening of the box to achieve the effect of sealing installation.
  • the outer wall of the U-shaped sealing groove away from the extension part is provided with a plurality of buckles, and the buckles apply stress to the extension part to make the extension part stick to the sealing strip.
  • buckles are provided on the outer wall of the U-shaped sealing groove, and the upper cover is installed in the U-shaped sealing groove, and is fastened through the buckles, which is easy to operate and easy to install, and solves the problem of complicated installation of the battery pack. Sealing problem.
  • the buckle is mounted on the outer wall of the U-shaped sealing groove away from the extension part through a hinge.
  • the buckle is installed through a hinge, which has high flexibility and is easy to disassemble.
  • the sealing strip is closely attached to the side wall of the extension part and the inner wall of the U-shaped sealing groove. In the case of the embodiment of the present application, the sealing strip is attached to the inner wall of the U-shaped sealing groove, and when the extension part is inserted into the U-shaped sealing groove, it is also in close contact with the sealing strip.
  • the height of the inner wall of the U-shaped sealing groove is lower than the height of the outer wall of the U-shaped sealing groove. In the case of the embodiment of the present application, when the height of the inner wall of the U-shaped sealing groove is lower than the height of the outer wall of the U-shaped sealing groove, it can play a role of clamping the upper cover.
  • the height of the outer wall of the U-shaped sealing groove is lower than the height of the extension.
  • the inner side of the upper cover can be in contact with the inner wall of the U-shaped sealing groove to enhance the sealing effect.
  • the present application provides a battery, which is composed of a battery pack case with a vertical sealing structure according to any of the above schemes.
  • the present application provides an electric device.
  • the electric device includes a battery box group, and the battery box group is used to provide electric energy for the electric device.
  • the present application provides a power storage cabinet.
  • the power storage cabinet includes a battery pack box group, and the battery pack box group is used to provide electric energy for the power storage cabinet.
  • Fig. 1 is a cross-sectional view of a battery pack case with a vertical sealing structure according to some embodiments of the present application
  • Fig. 2 is a partially enlarged view of part A in Fig. 1;
  • Fig. 3 is a second cross-sectional view of a battery pack case with a vertical sealing structure in some embodiments of the present application;
  • Fig. 4 is a partially enlarged view of part B in Fig. 3;
  • Fig. 5 is a schematic structural diagram of a battery pack case with a vertical sealing structure in some embodiments of the present application
  • Fig. 6 is a schematic structural diagram of a battery pack case group in some embodiments of the present application.
  • FIG. 7 is a schematic structural diagram of an electrical device in some embodiments of the present application.
  • Fig. 8 is a schematic structural diagram of a power storage cabinet according to some embodiments of the present application.
  • Box body 1 U-shaped sealing groove 101, sealing strip 102; upper cover 2; extension part 201; buckle 3;
  • multiple refers to more than two (including two), similarly, “multiple groups” refers to two or more groups (including two), and “multiple pieces” refers to More than two pieces (including two pieces).
  • the structure described in the existing literature is composed of an upper cover, a middle cover and a lower box, and the structure is complex. At the same time, only the connection method of the upper cover, the middle cover and the lower box is considered. Considering the detailed sealing scheme, the sealing reliability is poor.
  • Power batteries are not only used in energy storage power systems such as hydraulic, thermal, wind and solar power plants, but also widely used in electric vehicles such as electric bicycles, electric motorcycles, electric vehicles, as well as military equipment and aerospace and other fields . With the continuous expansion of power battery application fields, its market demand is also constantly expanding.
  • the power battery pack is the core component, and its safety directly affects the safety performance of the entire vehicle. Therefore, higher requirements are put forward for the design of the battery's strength, stiffness, waterproof sealing, insulation and anti-electromagnetic interference, especially for the waterproof sealing. Due to the high internal voltage of the battery pack, it is necessary to prevent the The risk of short circuit caused by water, the sealing requirement for the box is IP67.
  • Currently widely used sealing schemes include sheet metal boxes, die-cast aluminum boxes, etc. And the cross-sectional shape is mainly band-shaped rubber strips, which are pasted between the flange of the box body and the plane of the cover plate, and sealed by pressing up and down or left and right.
  • the die-casting aluminum box due to the limitation of the minimum wall thickness, it is difficult to realize the lightweight design of the product; and for the large-sized battery box, if the die-casting process of integral forming is adopted, the cost of mold opening will be very high; in addition, this The battery pack box structure of various sizes is integrally cast. Due to the strong rigidity of the box, in order to ensure the overall rigidity of the body, the strength of the box is required to be high, and the uniformity and magazine pores must be strictly controlled. Supporting professional Advanced inspection equipment further increases production difficulty and processing cost.
  • Reuse of power lithium batteries a new path to reduce battery costs.
  • Reuse of power lithium battery refers to the intermediate link between new energy vehicles and power lithium battery resource utilization. By dismantling, testing and classifying the power battery after the car is used for secondary use, the power battery cascade is realized, thereby realizing 30-60% cost reduction purpose of power battery.
  • the standard for new energy vehicles to scrap power lithium batteries is that the battery capacity is less than 80%. If the remaining capacity is still 70-80%, it is a great waste to directly recycle the battery. Do a good job of reusing power lithium batteries It is especially important to reduce the cost of batteries.
  • the field of new energy vehicle power lithium battery reuse is mainly aimed at the ICT field, households, and renewable energy power generation and energy storage fields.
  • the practice of reusing power lithium batteries has not yet been carried out in China, there have been many years of demonstration experience in Japan and the United States. Japan and South Korea have been focusing on the research on the reuse of power batteries since the beginning of the development of new energy vehicles. These preliminary research work have provided a good reference for my country to carry out research on battery reuse.
  • AC power can be used as a power source, or a battery pack formed by connecting multiple battery cells in series can be used as a power source.
  • the advantage of using a battery pack as a power source is that the power source is portable and not limited to use in a fixed location.
  • Commonly used battery packs mainly include multiple battery packs and battery pack monitoring units. The battery packs are used to provide power, and the battery pack monitoring unit is electrically connected to the battery packs to detect the status of the battery packs, such as voltage, current and temperature etc.
  • a discrete operational amplifier is used for current collection. After the voltage across the sampling resistor is scaled by the operational amplifier, the AD voltage value is collected by the MCU and converted into the corresponding current.
  • Cell refers to the smallest functional unit of a single electrochemical battery containing positive and negative electrodes. It is generally not used directly. It is different from a battery that contains a protective circuit and a shell and can be used directly. It must have a higher energy density. Store as much electric energy as possible, so that electric vehicles have a longer cruising range. In addition, the life of the battery cell is also the most critical factor. The damage of any battery cell will lead to the damage of the entire battery pack.
  • Battery module When multiple batteries are packaged together by the same shell frame and communicate with the outside through a unified boundary, this forms a module.
  • Battery Pack When several modules are jointly controlled or managed by the BMS and thermal management system, the unified whole is called a battery pack.
  • the difference between batteries, modules and battery packs is not only the number of batteries, but also whether there is an additional management system.
  • Battery Management System The battery management system is commonly known as the battery nanny or battery steward, mainly for intelligent management and maintenance of each battery unit, to prevent the battery from overcharging and overdischarging, to prolong the service life of the battery, and to monitor the state of the battery .
  • the battery management system unit includes a BMS battery management system, a control module, a display module, a wireless communication module, electrical equipment, a battery pack for powering electrical equipment, and a collection module for collecting battery information of the battery pack.
  • Beginning of Life BOL
  • EOL End of Life
  • High-Voltage Interlock When the low-voltage power is cut off, the high-voltage circuit can be cut off at the same time through the low-voltage signal control.
  • the applicant has designed a battery pack case with a vertical sealing structure after in-depth research, including a case body 1 and an upper cover 2; It is installed with the box body 1 through the sealing structure.
  • the sealing structure includes a sealing strip 102 and a U-shaped sealing groove 101.
  • the sealing strip 102 is arranged on the inner wall of the U-shaped sealing groove 101; the side of the upper cover 2 extends toward the side of the box body 1 with an extension 201, and the extension 201 is inserted into the U-shaped sealing
  • the groove 101 is bonded with the sealing strip 102.
  • the extension part 201 of the upper cover 2 is inserted into the vertical sealing structure inside the upper opening of the box body 1 to achieve the effect of sealing installation.
  • a battery pack case with a vertical sealing structure according to an embodiment of the present application is used for description.
  • Figure 1 is a cross-sectional view of a battery pack box with a vertical sealing structure provided by some embodiments of the present application
  • Figure 2 is a partial enlarged view of part A in Figure 1 .
  • the present application provides a battery pack box body with a vertical sealing structure, including a box body 1 and an upper cover 2 .
  • the inner side of the upper opening of the box body 1 is provided with a sealing structure, and the upper cover 2 is installed with the box body 1 through the sealing structure;
  • the sealing structure includes a sealing strip 102 and a U-shaped sealing groove 101, and the sealing strip 102 is arranged on the inner wall of the U-shaped sealing groove 101 ;
  • the side of the upper cover 2 extends toward the side of the box body 1 with an extension 201 , the extension 201 is inserted into the U-shaped sealing groove 101 and bonded to the sealing strip 102 .
  • the general upper cover is directly covered on the box body, but the upper cover 2 of the present application cooperates with the sealing structure on the box body 1 through the extension part 201 to achieve the sealing effect.
  • the U-shaped structure of the sealing groove 101 is used to facilitate the insertion of the extension part 201 and cooperate with the sealing strip 102 to enhance the sealing effect.
  • a vertical sealing structure is provided between the upper cover 2 and the case body 1 of the present application to effectively prevent moisture, water vapor, etc. from entering the battery pack case; the U-shaped sealing groove is filled by the sealing strip 102 101, it can ensure that all the places with gaps can be filled, so as to achieve the sealing effect.
  • a plurality of buckles 3 are provided on the outer wall of the U-shaped sealing groove 101 away from the extension part 201 , and the buckles 3 connect the extension part 201 and the sealing strip 102 by applying stress to the extension part 201 . fit.
  • the sealing strip 102 is installed vertically on the inner wall of the U-shaped sealing groove 101, and the sealing strip 102 is closely attached to the inner wall of the U-shaped sealing groove 101 through the stress exerted by the upper cover 2 and the buckle 3, so that the upper cover 2 can be precisely positioned. Installed in the U-shaped sealing groove 101, and at the same time, the stress exerted by the buckle 3 on the upper cover 2 acts on the sealing strip 102 to realize the sealing effect.
  • Figure 4 is a partial enlarged view of part B in the cross-sectional view of the battery pack box with a vertical sealing structure in some embodiments of the present application; Schematic diagram of the structure of the battery pack box with a vertical sealing structure.
  • the buckle 3 is installed on the outer wall of the U-shaped sealing groove 101 away from the extension part 201 through a hinge.
  • the outer wall of the U-shaped sealing groove 101 is also provided with buckles 3, and the upper cover 2 is installed in the U-shaped sealing groove 101, and is fastened through the buckles 3.
  • the operation is simple and easy to install, and the battery pack installation is complicated and sealed. question.
  • the buckle 3 is installed through a hinge, which has high flexibility and is easy to disassemble.
  • FIG. 3 is a second cross-sectional view of a battery pack case with a vertical sealing structure according to some embodiments of the present application;
  • FIG. 4 is a partially enlarged view of part B in FIG. 3 .
  • the sealing strip 102 is closely attached to the side wall of the extension part 201 and the inner wall of the U-shaped sealing groove 101 .
  • the sealing strip 102 is attached to the inner wall of the U-shaped sealing groove 101 , and when the extension part 201 is inserted into the U-shaped sealing groove 101 , it is also in close contact with the sealing strip 102 .
  • the height of the inner wall of the U-shaped sealing groove 101 is lower than the height of the outer wall of the U-shaped sealing groove 101 .
  • the height of the inner wall of the U-shaped sealing groove 101 is lower than the height of the outer wall of the U-shaped sealing groove 101 , it can play a role of clamping the upper cover 2 .
  • the height of the outer wall of the U-shaped sealing groove 101 is lower than the height of the extension part 201 .
  • the inner side of the upper cover 2 can contact the inner wall of the U-shaped sealing groove 101 to enhance the sealing effect.
  • Fig. 6 is a schematic structural diagram of a battery pack case set in some embodiments of the present application; according to some embodiments of the present application, the present application also provides a battery pack case set, which is composed of A battery pack case group 4 with a vertical sealing structure.
  • FIG. 7 is a schematic structural diagram of an electrical device according to some embodiments of the present application; according to some embodiments of the present application, the present application also provides an electrical device, and the electrical device 5 includes a battery pack box group 4 , the battery box group 4 is used to provide electric energy for the electrical device 5 .
  • the battery can be applied to a variety of electrical equipment. After the battery is placed in the battery pack box with a vertical sealing structure, it can be used in various scenarios such as humidity, water accumulation, and severe corrosion.
  • the box body ensures that the internal battery is not damaged.
  • FIG. 8 is a schematic structural diagram of a power storage cabinet according to some embodiments of the present application; according to some embodiments of the present application, the present application also provides a power storage cabinet, and the power storage cabinet 6 includes a battery pack box group 4 , the battery box group 4 is used to provide electric energy for the power storage cabinet 6 .
  • the embodiment of the present application provides an electric device using a battery as a power source.
  • the electric device can be, but not limited to, a mobile phone, a tablet, a notebook computer, an electric toy, an electric tool, a battery car, an electric car, a ship, a spacecraft, and the like.
  • electric toys may include stationary or mobile electric toys, such as game consoles, electric car toys, electric boat toys, and electric airplane toys, etc.
  • Spacecraft may include airplanes, rockets, space shuttles, and spaceships.
  • Fig. 1 is a cross-sectional view of a battery pack case with a vertical sealing structure according to some embodiments of the present application
  • Fig. 2 is a partially enlarged part of part A in Fig. 1 Figure
  • Figure 3 is a sectional view II of a battery pack box with a vertical sealing structure in some embodiments of the present application
  • Figure 4 is a partial enlarged view of part B in Figure 3
  • Figure 5 is a belt of some embodiments of the present application Schematic diagram of the structure of the battery pack case with a vertical sealing structure.
  • the application provides a battery pack case with a vertical sealing structure, including a case 1 and an upper cover 2; Installation; the sealing structure includes a sealing strip 102 and a U-shaped sealing groove 101, and the sealing strip 102 is arranged on the inner wall of the U-shaped sealing groove 101; the side of the upper cover 2 extends to the side of the box body 1 with an extension 201, and the extension 201 is inserted into the U Type seal groove 101 and fit with seal strip 102.
  • a plurality of buckles 3 are provided on the outer wall of the U-shaped sealing groove 101 away from the extension part 201 , and the buckles 3 apply stress to the extension part 201 to make the extension part 201 fit the sealing strip 102 .
  • the buckle 3 is installed on the outer wall of the U-shaped sealing groove 101 away from the extension part 201 through a hinge.
  • the sealing strip 102 is closely attached to the side wall of the extension portion 201 and the inner wall of the U-shaped sealing groove 101 .
  • the height of the inner wall of the U-shaped sealing groove 101 is lower than the height of the outer wall of the U-shaped sealing groove 101 .
  • the height of the outer wall of the U-shaped sealing groove 101 is lower than that of the extension portion 201 .
  • a vertical sealing structure is provided between the upper cover 2 and the box body 1 of the present application to effectively prevent moisture, water vapor, etc. from entering the battery pack box body; the U-shaped sealing groove is filled by the sealing strip 102 101, it can ensure that all the places with gaps can be filled, so as to achieve the sealing effect.

Abstract

本申请公开了一种电池包箱体、电池、用电装置及储电柜。其中，电池包箱体包括箱体和上盖；所述箱体的上口内侧设置有密封结构，所述上盖通过所述密封结构与所述箱体进行安装；所述密封结构包括密封条和U型密封槽，所述密封条设置在所述U型密封槽内壁上；所述上盖的侧面向所述箱体的侧面延伸有延伸部，所述延伸部插入所述U型密封槽并与所述密封条贴合。

Description

一种电池包箱体、电池、用电装置及储电柜
本申请要求于2021年10月25日提交的名称为“一种电池包箱体、电池、用电装置及储电柜”的中国专利申请202122568876.4的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及电池包技术领域，具体涉及一种电池包箱体、电池、用电装置及储电柜。
 背景技术
随着锂离子电池具有性价比高、安全性好、低污染等优点的突显，已经取得越来越广泛的应用，不仅仅应用在普通电子领域，还逐渐在动力和储能领域得到应用。锂电池包需要考虑使用的环境，如雨雪天气、冰冻天气等，种种环境的要求，都对锂电池包提出了高标准的防水要求。
现有的普通电池包箱体通常难以满足该要求，或者经过长时间使用后，不再符合防水的要求，无法满足用户的使用需求。
 技术问题
鉴于上述问题，本申请提供一种带有竖直密封结构的电池包箱体、电池包、用电装置及储电柜，能够提高现有电池包箱体的防水性能，使锂电池包在雨雪天的使用环境下还可以保证防水性，从而满足用户的使用需求。
 技术解决方案
第一方面，本申请提供了一种带有竖直密封结构的电池包箱体，包括箱体和上盖；箱体的上口内侧设置有密封结构，上盖通过密封结构与箱体进行安装；
密封结构包括密封条和U型密封槽，密封条设置在U型密封槽内壁上；上盖的侧面向箱体的侧面延伸有延伸部，延伸部插入U型密封槽并与密封条贴合。
本申请实施例的技术方案中，上盖的延伸部通过插入到箱体上口内侧处的竖直密封结构中，实现密封安装的效果。
在一些实施例中，U型密封槽远离延伸部的外壁上设置有多个卡扣，卡扣通过对延伸部施加应力使延伸部与密封条贴合。本申请实施例的箱体中，U型密封槽的外壁上还设置有卡扣，上盖安装在U型密封槽，并通过卡扣进行扣合，操作简单便于安装，解决电池包安装复杂及密封问题。
在一些实施例中，卡扣通过铰链安装在U型密封槽远离延伸部的外壁上。本申请实施例的箱体中，卡扣通过铰链安装，灵活性高，并且易拆卸。
在一些实施例中，密封条贴紧延伸部侧壁和U型密封槽的内壁。本申请实施例的箱体中，密封条贴在U型密封槽的内壁上，当延伸部插入到U型密封槽内时，也与密封条紧贴。
在一些实施例中，U型密封槽内壁的高度低于U型密封槽外壁的高度。本申请实施例的箱体中，U型密封槽内壁的高度低于U型密封槽外壁的高度时，可以对上盖起到一个夹持的作用。
在一些实施例中，U型密封槽外壁的高度低于延伸部的高度。本申请实施例的箱体中，U型密封槽外壁的高度低于延伸部的高度时，上盖的内侧可以与U型密封槽内壁接触，加强密封效果。
第二方面，本申请提供了一种电池，由以上任一方案的带有竖直密封结构组成的电池包箱体组成。
第三方面，本申请提供了一种用电装置，用电装置包括电池包箱体组，电池包箱体组用于为用电装置提供电能。
第四方面，本申请提供了一种储电柜，储电柜包括电池包箱体组，电池包箱体组用于为储电柜提供电能。
上述说明仅是本申请技术方案的概述，为了能够更清楚了解本申请的技术手段，而可依照说明书的内容予以实施，并且为了让本申请的上述和其它目的、特征和优点能够更明显易懂，以下特举本申请的具体实施方式。
 有益效果
本申请的上盖与箱体之间设有竖直密封结构，有效避免水分、水汽等进入到电池包箱体中；通过密封条填充U型密封槽，可以保证有空隙的地方全部可以填充到，从而实现密封效果。
 附图说明
通过阅读对下文优选实施方式的详细描述，各种其他的优点和益处对于本领域普通技术人员将变得清楚明了。附图仅用于示出优选实施方式的目的，而并不认为是对本申请的限制。而且在全部附图中，用相同的附图标号表示相同的部件。在附图中：
图1为本申请一些实施例的带有竖直密封结构的电池包箱体的剖视图一；
图2为图1中A部分的局部放大图；
图3为本申请一些实施例的带有竖直密封结构的电池包箱体的剖视图二；
图4为为图3中B部分的局部放大图；
图5为本申请一些实施例的带有竖直密封结构的电池包箱体的结构示意图；
图6为本申请一些实施例的电池包箱体组结构示意图；
图7为本申请一些实施例的用电装置结构示意图；
图8为本申请一些实施例的储电柜结构示意图。
具体实施方式中的附图标号如下：
箱体1；U型密封槽101，密封条102；上盖2；延伸部201；卡扣3；池包箱体组4；用电装置5；储电柜6。
 本发明的实施方式
下面将结合附图对本申请技术方案的实施例进行详细的描述。以下实施例仅用于更加清楚地说明本申请的技术方案，因此只作为示例，而不能以此来限制本申请的保护范围。
除非另有定义，本文所使用的所有的技术和科学术语与属于本申请的技术领域的技术人员通常理解的含义相同；本文中所使用的术语只是为了描述具体的实施例的目的，不是旨在于限制本申请；本申请的说明书和权利要求书及上述附图说明中的术语“包括”和“具有”以及它们的任何变形，意图在于覆盖不排他的包含。
在本申请实施例的描述中，技术术语“第一”“第二”等仅用于区别不同对象，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量、特定顺序或主次关系。在本申请实施例的描述中，“多个”的含义是两个以上，除非另有明确具体的限定。
在本文中提及“实施例”意味着，结合实施例描述的特定特征、结构或特性可以包含在本申请的至少一个实施例中。在说明书中的各个位置出现该短语并不一定均是指相同的实施例，也不是与其它实施例互斥的独立的或备选的实施例。本领域技术人员显式地和隐式地理解的是，本文所描述的实施例可以与其它实施例相结合。
在本申请实施例的描述中，术语“和/或”仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
在本申请实施例的描述中，术语“多个”指的是两个以上（包括两个），同理，“多组”指的是两组以上（包括两组），“多片”指的是两片以上（包括两片）。
在本申请实施例的描述中，技术术语“中心”“纵向”“横向”“长度”“宽度”“厚度”“上”“下”“前”“后”“左”“右”“竖直”“水平”“顶”“底”“内”“外”“顺时针”“逆时针”“轴向”“径向”“周向”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实施例和简化描述，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实施例的限制。
在本申请实施例的描述中，除非另有明确的规定和限定，技术术语“安装”“相连”“连接”“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；也可以是机械连接，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或两个元件的相互作用关系。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实施例中的具体含义。
目前，从市场形势的发展来看，现有中所描述的结构由上盖、中盖及下箱体组成，结构复杂，同时只考虑了上盖、中盖及下箱体的连接方式，未考虑详细的密封的方案，密封可靠性较差。动力电池不仅被应用于水力、火力、风力和太阳能电站等储能电源系统，而且还被广泛应用于电动自行车、电动摩托车、电动汽车等电动交通工具，以及军事装备和航空航天等多个领域。随着动力电池应用领域的不断扩大，其市场的需求量也在不断地扩增。
随着电动汽车的发展，动力电池包作为核心部件，其安全性直接影响到整车的安全性能。因此，对电池的强度、刚度、防水密封性、绝缘性和抗电磁干扰性等方面的设计提出了更高的要求，尤其对于防水密封性的要求，由于电池包内部电压高，必须防止由于进水而导致的短路风险，对箱体的密封要求是IP67。目前广泛使用的密封方案包括钣金箱体类、压铸铝箱体类等。且主要采用截面形状为带状橡胶条，粘贴于箱体翻边和盖板平面之间，通过上下或左右挤压实现密封。对于压铸铝箱体，由于最小壁厚度的限制，使得产品很难实现轻量化设计；而尺寸较大的电池箱，如果采用一体成形的压铸工艺，其开模成本投入会非常高；另外，这种尺寸一体铸造的电池包箱体结构，由于箱体刚性很强，为了保证车身整体刚性的作用，所以对箱体的强度要求较高，均匀性和杂志气孔必须进行严格的控制，需配套专业的检验设备，进一步增加了生产难度和加工成本。
在资源化利用上，动力锂电池还存在回收体系不完善，回收价值偏弱的问题。虽然国内也涌现出了像格林美和湖南邦普等大型回收企业，但是动力锂电池回收存在回收成本高、回收产业链不完善的问题。动力锂电池的回收资源化需要充分借鉴铅酸电池回收利用的经验。铅酸电池建立了完备的回收网点和回收产业链，一般铅酸电池在回收时具备30%的回收价值。
动力锂电池再利用：电池成本降低的新路径。动力锂电池再利用是指介于新能源汽车和动力锂电池资源化的中间环节，通过对汽车使用后的动力电池进行拆解、检测和分类后的二次使用，实现动力电池梯级，从而实现动力电池30-60%的成本降低目的。一般来说，新能源汽车对动力锂电池报废的标准是电池容量低于80%，如果剩余容量还在70-80%电池直接进行资源化回收是极大的浪费，做好动力锂电池再利用对电池成本的降低尤为重要。
新能源汽车动力锂电池再利用领域主要瞄准ICT领域、家庭以及可再生能源发电储能等领域。虽然动力锂电池再利用实践在国内还未开展，但是在日本、美国已经有多年的示范经验。日韩从新能源汽车发展伊始就开始着力动力电池再利用的研究，这些前期研究工作给我国开展电池再利用研究提供了很好的借鉴。
随着科技的进步，对于电力能源的需求也与日俱增。对于电力的需求而言，可采用交流电作为电源，或多个电池芯串联而成的电池包作为电源。以电池包作为电源的好处是电源是可移动式，不受限于在一固定位置使用。常用的电池包主要包括多个电池芯组和电池包监控单元，电池芯组用于提供电力，电池包监控单元电性连接电池芯组，以侦测电池芯组的状态，例如电压、电流和温度等。在目前情况下，大部分手持吸尘器电池包产品的控制中，对电流的采集使用分立运算放大器，将采样电阻两端电压通过运算放大器缩放以后，再通过MCU采集AD电压值转换为对应电流。
电芯（Cell）：指单个含有正、负极的电化学电池的最小功能单元，一般不直接使用，区别于电池含有保护电路和外壳，可以直接使用，其必须要有较高的能量密度，以尽可能多的存储电能，使电动汽车拥有更远的续航里程。除此之外，电芯的寿命也是最为关键的因素，任何一颗电芯的损坏，都会导致整个电池包的损坏。
电池模组（Module）：当多个电芯被同一个外壳框架封装在一起，通过统一的边界与外部进行联系时，这就组成了一个模组。
电池包（Pack）：当数个模组被BMS和热管理系统共同控制或管理起来后，这个统一的整体就叫做电池包。电芯、模组和电池包的区别，除了电池数量以外，还有是否有附加的管理系统的区别。
电池管理系统（BMS）：电池管理系统俗称之为电池保姆或电池管家，主要就是为了智能化管理及维护各个电池单元，防止电池出现过充电和过放电，延长电池的使用寿命，监控电池的状态。电池管理系统单元包括BMS电池管理系统、控制模组、显示模组、无线通信模组、电气设备、用于为电气设备供电的电池组以及用于采集电池组的电池信息的采集模组。寿命初始（BOL）：动力电池刚交付时的使用状态。寿命终止（EOL）：动力电池系统能量降低到初始能量的80%，或者实时功率峰值降低到初始功率峰值的85%时，视为寿命终止。
荷电状态（SOC）：电池放电后剩余容量与全荷电容量的百分比。高低压互锁（HVIL）：指低压断电时，通过低压信号控制可以同时将高压回路切断。
本申请人注意到，电池包密封可靠性较差不足的状况。
为了解决如何提高现有电池包箱体的防水性能，使锂电池包在雨雪天的使用环境下还可以保证防水性，从而满足用户的使用需求的问题，申请人研究发现，可以提供一种带有竖直密封结构的电池包箱体、电池包箱体组、用电装置及储电柜。
基于以上考虑，申请人经过深入研究，设计了一种带有竖直密封结构的电池包箱体，包括箱体1和上盖2；箱体1的上口内侧设置有密封结构，上盖2通过密封结构与箱体1进行安装。
密封结构包括密封条102和U型密封槽101，密封条102设置在U型密封槽101内壁上；上盖2的侧面向箱体1的侧面延伸有延伸部201，延伸部201插入U型密封槽101并与密封条102贴合。
上盖2的延伸部201通过插入到箱体1上口内侧处的竖直密封结构中，实现密封安装的效果。
以下实施例为了方便说明，以本申请一实施例的一种带有竖直密封结构的电池包箱体进行说明。
请参照图1和图2，图1为本申请一些实施例提供的带有竖直密封结构的电池包箱体的剖视图一；图2为图1中A部分的局部放大图。
根据本申请的一些实施例，本申请提供了一种带有竖直密封结构的电池包箱体，包括箱体1和上盖2。箱体1的上口内侧设置有密封结构，上盖2通过密封结构与箱体1进行安装；密封结构包括密封条102和U型密封槽101，密封条102设置在U型密封槽101内壁上；上盖2的侧面向箱体1的侧面延伸有延伸部201，延伸部201插入U型密封槽101并与密封条102贴合。
一般的上盖都是直接盖在箱体上方的，而本申请的上盖2则是通过设有的延伸部201与箱体1上的密封结构相配合，实现密封的效果。密封槽101选用U型结构，是为了方便延伸部201插入，并且与密封条102相配合，增强密封效果。
在本申请的实施例中，本申请的上盖2与箱体1之间设有竖直密封结构，有效避免水分、水汽等进入到电池包箱体中；通过密封条102填充U型密封槽101，可以保证有空隙的地方全部可以填充到，从而实现密封效果。
在本申请一些实施例中，可选地，U型密封槽101远离延伸部201的外壁上设置有多个卡扣3，卡扣3通过对延伸部201施加应力使延伸部201与密封条102贴合。
具体的，密封条102竖直安装在U型密封槽101内壁上，通过上盖2和卡扣3施加的应力将密封条102紧密贴合U型密封槽101内壁上，可以实现上盖2精准安装在U型密封槽101内，同时卡扣3施加在上盖2上的应力作用于密封条102上，实现密封作用。
请参照图4和图5，图4为本申请一些实施例的带有竖直密封结构的电池包箱体的剖视图二中B部分的局部放大图；图5为本申请一些实施例的带有竖直密封结构的电池包箱体的结构示意图。
在本申请一些实施例中，可选地，卡扣3通过铰链安装在U型密封槽101远离延伸部201的外壁上。
具体的，U型密封槽101的外壁上还设置有卡扣3，上盖2安装在U型密封槽101，并通过卡扣3进行扣合，操作简单便于安装，解决电池包安装复杂及密封问题。卡扣3通过铰链安装，灵活性高，并且易拆卸。
请参照图3和图4，图3为本申请一些实施例的带有竖直密封结构的电池包箱体的剖视图二；图4为为图3中B部分的局部放大图。
在本申请一些实施例中，可选地，密封条102贴紧延伸部201侧壁和U型密封槽101的内壁。
具体的，密封条102贴在U型密封槽101的内壁上，当延伸部201插入到U型密封槽101内时，也与密封条102紧贴。
在本申请一些实施例中，可选地，U型密封槽101内壁的高度低于U型密封槽101外壁的高度。
具体的，U型密封槽101内壁的高度低于U型密封槽101外壁的高度时，可以对上盖2起到一个夹持的作用。
在本申请一些实施例中，可选地，U型密封槽101外壁的高度低于延伸部201的高度。
具体的，U型密封槽101外壁的高度低于延伸部201的高度时，上盖2的内侧可以与U型密封槽101内壁接触，加强密封效果。
请参照图6，图6为本申请一些实施例的电池包箱体组结构示意图；根据本申请的一些实施例，本申请还提供了一种电池包箱体组，由以上任一实施例的带有竖直密封结构组成的电池包箱体组4。
请参照图7，图7为本申请一些实施例的用电装置结构示意图；根据本申请的一些实施例，本申请还提供了一种用电装置，用电装置5包括电池包箱体组4，电池包箱体组4用于为用电装置5提供电能。
电池可应用于多种用电设备，电池置于带有竖直密封结构的电池包箱体内后可用于在潮湿，积水，腐蚀严重的各种场景下，通过带有竖直密封结构的电池包箱体，保证了内部的电池不受到损害。
请参照图8，图8为本申请一些实施例的储电柜结构示意图；根据本申请的一些实施例，本申请还提供了一种储电柜，储电柜6包括电池包箱体组4，电池包箱体组4用于为储电柜6提供电能。
本申请实施例提供一种使用电池作为电源的用电装置，用电装置可以为但不限于手机、平板、笔记本电脑、电动玩具、电动工具、电瓶车、电动汽车、轮船、航天器等等。其中，电动玩具可以包括固定式或移动式的电动玩具，例如，游戏机、电动汽车玩具、电动轮船玩具和电动飞机玩具等，航天器可以包括飞机、火箭、航天飞机和宇宙飞船等。
根据本申请的一些实施例，参照图1至图5，图1为本申请一些实施例的带有竖直密封结构的电池包箱体的剖视图一；图2为图1中A部分的局部放大图；图3为本申请一些实施例的带有竖直密封结构的电池包箱体的剖视图二；图4为为图3中B部分的局部放大图；图5为本申请一些实施例的带有竖直密封结构的电池包箱体的结构示意图。
本申请提供了一种带有竖直密封结构的电池包箱体，包括箱体1和上盖2；箱体1的上口内侧设置有密封结构，上盖2通过密封结构与箱体1进行安装；密封结构包括密封条102和U型密封槽101，密封条102设置在U型密封槽101内壁上；上盖2的侧面向箱体1的侧面延伸有延伸部201，延伸部201插入U型密封槽101并与密封条102贴合。U型密封槽101远离延伸部201的外壁上设置有多个卡扣3，卡扣3通过对延伸部201施加应力使延伸部201与密封条102贴合。卡扣3通过铰链安装在U型密封槽101远离延伸部201的外壁上。密封条102贴紧述延伸部201侧壁和U型密封槽101的内壁。U型密封槽101内壁的高度低于U型密封槽101外壁的高度。U型密封槽101外壁的高度低于延伸部201的高度。
根据本申请的一些实施例，本申请的上盖2与箱体1之间设有竖直密封结构，有效避免水分、水汽等进入到电池包箱体中；通过密封条102填充U型密封槽101，可以保证有空隙的地方全部可以填充到，从而实现密封效果。
最后应说明的是：以上各实施例仅用以说明本申请的技术方案，而非对其限制；尽管参照前述各实施例对本申请进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本申请各实施例技术方案的范围，其均应涵盖在本申请的权利要求和说明书的范围当中。尤其是，只要不存在结构冲突，各个实施例中所提到的各项技术特征均可以任意方式组合起来。本申请并不局限于文中公开的特定实施例，而是包括落入权利要求的范围内的所有技术方案。

Claims (10)

  1. 一种电池包箱体，其中，包括：
    箱体（1）和上盖（2）；所述箱体（1）的上口内侧设置有密封结构，所述上盖（2）通过所述密封结构与所述箱体（1）进行安装；
    所述密封结构包括密封条（102）和U型密封槽（101），所述密封条（102）设置在所述U型密封槽（101）内壁上；所述上盖（2）的侧面向所述箱体（1）的侧面延伸有延伸部（201），所述延伸部（201）插入所述U型密封槽（101）并与所述密封条（102）贴合。
  2. 根据权利要求1所述的电池包箱体，其中，所述U型密封槽（101）远离所述延伸部（201）的外壁上设置有多个卡扣（3）。
  3. 根据权利要求2所述的电池包箱体，其中，所述卡扣（3）通过对所述延伸部（201）施加应力使所述延伸部（201）与所述密封条（102）贴合。
  4. 根据权利要求3所述的电池包箱体，其中，所述卡扣（3）通过铰链安装在所述U型密封槽（101）远离所述延伸部（201）的外壁上。
  5. 根据权利要求4所述的电池包箱体，其中，所述密封条（102）贴紧所述延伸部（201）侧壁和所述U型密封槽（101）的内壁。
  6. 根据权利要求1至5中任意一项所述的电池包箱体，其中，所述U型密封槽（101）内壁的高度低于所述U型密封槽（101）外壁的高度。
  7. 根据权利要求1至6中任意一项所述的电池包箱体，其中，所述U型密封槽（101）外壁的高度低于所述延伸部的高度。
  8. 一种电池，其中，所述电池（4）由如权利要求1至7中任一项所述的电池包箱体组成。
  9. 一种用电装置，其中，所述用电装置包括如权利要求8所述的电池包箱体组，所述电池（4）用于为所述用电装置（5）提供电能。
  10. 一种储电柜，其中，所述储电柜包括如权利要求8所述的电池包箱体组，所述电池（4）用于为所述储电柜（6）提供电能。
PCT/CN2022/124641 2021-10-25 2022-10-11 一种电池包箱体、电池、用电装置及储电柜 WO2023071779A1 (zh)

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Publication number Priority date Publication date Assignee Title
CN216389596U (zh) * 2021-10-25 2022-04-26 宁德时代新能源科技股份有限公司 一种电池包箱体、电池、用电装置及储电柜

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110236732A1 (en) * 2010-03-23 2011-09-29 International Battery, Inc. Package for large format lithium ion cells
CN205248331U (zh) * 2015-12-02 2016-05-18 北京长城华冠汽车科技股份有限公司 一种电池箱壳体和包括该电池箱壳体的汽车
CN107889383A (zh) * 2017-12-25 2018-04-06 苏州睿艾迪汽车科技有限公司 Ecu壳体结构
CN208444874U (zh) * 2018-05-25 2019-01-29 天能电池集团有限公司 一种蓄电池槽盒
CN209843804U (zh) * 2019-06-13 2019-12-24 天津安时能源科技有限公司 一种电池模组的密封结构
CN112331976A (zh) * 2020-08-31 2021-02-05 宁德时代新能源科技股份有限公司 箱体、电池、用电设备及箱体的组装方法
CN113904056A (zh) * 2021-11-12 2022-01-07 浙江杉盛模塑科技有限公司 一种新型全天候电动车电池包外壳
CN216389596U (zh) * 2021-10-25 2022-04-26 宁德时代新能源科技股份有限公司 一种电池包箱体、电池、用电装置及储电柜
CN216389663U (zh) * 2021-11-01 2022-04-26 宁德时代新能源科技股份有限公司 一种电池包、电池包箱体组、用电装置及储电柜

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110236732A1 (en) * 2010-03-23 2011-09-29 International Battery, Inc. Package for large format lithium ion cells
CN205248331U (zh) * 2015-12-02 2016-05-18 北京长城华冠汽车科技股份有限公司 一种电池箱壳体和包括该电池箱壳体的汽车
CN107889383A (zh) * 2017-12-25 2018-04-06 苏州睿艾迪汽车科技有限公司 Ecu壳体结构
CN208444874U (zh) * 2018-05-25 2019-01-29 天能电池集团有限公司 一种蓄电池槽盒
CN209843804U (zh) * 2019-06-13 2019-12-24 天津安时能源科技有限公司 一种电池模组的密封结构
CN112331976A (zh) * 2020-08-31 2021-02-05 宁德时代新能源科技股份有限公司 箱体、电池、用电设备及箱体的组装方法
CN216389596U (zh) * 2021-10-25 2022-04-26 宁德时代新能源科技股份有限公司 一种电池包箱体、电池、用电装置及储电柜
CN216389663U (zh) * 2021-11-01 2022-04-26 宁德时代新能源科技股份有限公司 一种电池包、电池包箱体组、用电装置及储电柜
CN113904056A (zh) * 2021-11-12 2022-01-07 浙江杉盛模塑科技有限公司 一种新型全天候电动车电池包外壳

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