WO2021195808A1 - 一种高性能电池组的防护结构 - Google Patents

一种高性能电池组的防护结构 Download PDF

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Publication number
WO2021195808A1
WO2021195808A1 PCT/CN2020/081924 CN2020081924W WO2021195808A1 WO 2021195808 A1 WO2021195808 A1 WO 2021195808A1 CN 2020081924 W CN2020081924 W CN 2020081924W WO 2021195808 A1 WO2021195808 A1 WO 2021195808A1
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WO
WIPO (PCT)
Prior art keywords
battery pack
cover plate
spring
installation box
mounting box
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Application number
PCT/CN2020/081924
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English (en)
French (fr)
Inventor
丁艳
Original Assignee
南京博士汇创产业发展有限公司
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Application filed by 南京博士汇创产业发展有限公司 filed Critical 南京博士汇创产业发展有限公司
Priority to PCT/CN2020/081924 priority Critical patent/WO2021195808A1/zh
Publication of WO2021195808A1 publication Critical patent/WO2021195808A1/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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the invention relates to the technical field of protective structures, in particular to a protective structure of a high-performance battery pack.
  • the battery pack is one of the core components of pure electric vehicles.
  • the heavy and expensive battery pack can provide continuous power for electric vehicles and ensure the normal driving of electric vehicles.
  • the existing battery pack itself does not have the anti-collision function. Damage will not only affect the power of electric vehicles, but also involve the safety of drivers. For this reason, we propose a protective structure for high-performance battery packs.
  • the main purpose of the present invention is to provide a high-performance battery pack protective structure, which can effectively solve the problems in the background art.
  • a protective structure for a high-performance battery pack includes a mounting box, and the outer surface of the upper end of the mounting box
  • a cover plate is provided, a support frame is provided at the rear end of the installation box near the connection of the cover plate, a connecting shaft is provided on the inner side of the support frame, and the connection point between the inner surface of the front end of the cover plate and the installation box is provided
  • the lock structure includes a lock tongue, a groove, a movable lock, and a first spring.
  • a battery pack is arranged on the inner side of the installation box, and a shock absorption structure is arranged at the lower end of the battery pack.
  • the damping structure includes a soft protective plate, a soft pad and a second spring
  • the soft protective plate is arranged on the inner side of the installation box, and the outer surface of the soft protective plate and the inner surface of the installation box are fixed.
  • the second spring is arranged on the inner surface of the lower end of the installation box, and the second spring is fixedly connected to the installation box.
  • the number of the second springs is several groups and arranged in an array.
  • the pad is arranged at the upper end of the second spring, and the soft pad and the second spring are fixedly connected.
  • the lock tongue is arranged on the inner surface of the front end of the cover plate, the lock tongue and the cover plate are fixedly connected by welding, and the groove is opened on the upper outer surface of the installation box corresponding to the latching position of the lock tongue.
  • the movable lock is arranged on the inner side of the groove and penetrates the outer surface of the front end of the installation box, the first spring is arranged on the outer surface of the movable lock, and the first spring passes between the movable lock and the groove Active connection.
  • the support frame is arranged on the outer surface of the upper end of the installation box near the corner of the rear end, and the support frame and the installation box are fixedly connected by welding, and the number of the support frame is two groups, and they are arranged symmetrically.
  • the connecting shaft and the support frame are movably connected, and pass through the inner side of the cover plate.
  • the cover includes a handle and a sponge pad
  • the handle is arranged on the outer surface of the front end of the cover, the handle and the cover are fixedly connected, and the sponge pad is arranged on the front end of the cover.
  • the sponge pad and the cover plate are fixedly connected.
  • the outer surface of the upper end of the cover plate is provided with a through hole, the through hole penetrates the outer surface of the upper end of the cover plate, and the through hole is smaller than the cross section of the battery pack, and the outer surface of the mounting box is provided with The heat dissipation window penetrates the outer surface of the installation box.
  • the protective structure of this high-performance battery pack is provided with a cover plate and a lock structure
  • the battery pack is placed in the installation box
  • the support frame is combined with the connecting shaft.
  • the upper cover makes the lock tongue on the inner surface of the cover snap into the recess and is fastened by the movable lock.
  • the cover can be used to fix the battery pack in the installation box.
  • the battery pack When subjected to up and down bumps or collisions, the battery pack can be buffered by the cooperation between the second spring and the soft pad, and the soft guard plate can be used around it to absorb the impact force of the battery pack when it is collided to protect the battery pack. .
  • FIG. 1 is a schematic diagram of the overall structure of a protective structure of a high-performance battery pack according to the present invention
  • FIG. 2 is a cross-sectional view of the protective structure of a high-performance battery pack according to the present invention
  • FIG. 3 is a partial structural diagram of the protective structure of a high-performance battery pack according to the present invention.
  • FIG. 4 is a cross-sectional view of the lock structure of the protective structure of a high-performance battery pack of the present invention.
  • a protective structure for a high-performance battery pack includes a mounting box 1.
  • a cover plate 2 is provided on the outer surface of the upper end of the mounting box 1, and a support is provided at the rear end of the mounting box 1 near the junction of the cover plate 2.
  • the inner side of the support frame 9 is provided with a connecting shaft 3, the front end inner surface of the cover plate 2 and the installation box 1 are connected with a lock structure 6 which includes a lock tongue 61, a groove 62, and a movable lock
  • a battery pack 7 is arranged inside the installation box 1, and a shock-absorbing structure 8 is arranged at the lower end of the battery pack 7.
  • the support frame 9 is arranged on the outer surface of the upper end of the installation box 1 near the rear corner.
  • the support frame 9 and the installation box 1 are fixedly connected by welding.
  • the number of the support frame 9 is two groups, and they are arranged symmetrically. It is movably connected with the support frame 9 and penetrates the inner side of the cover plate 2. With the cooperation of the support frame 9 and the connecting shaft 3, the cover plate 2 can be connected, which facilitates the opening and closing of the cover plate 2.
  • the outer surface of the upper end of the cover plate 2 is provided with a through hole 4, which penetrates the outer surface of the upper end of the cover plate 2, and the through hole 4 is smaller than the cross section of the battery pack 7, and the battery pack 7 can be connected by the through hole 4,
  • the mounting box 1 is provided with heat dissipation windows 5 on the outer surface of the surroundings.
  • the heat dissipation windows 5 penetrate the outer surface of the mounting box 1. The use of the heat dissipation windows 5 facilitates the heat dissipation of the battery pack 7 during operation.
  • the damping structure 8 includes a soft protective plate 81, a soft pad 82 and a second spring 83.
  • the soft protective plate 81 is arranged on the inner side of the installation box 1, and the soft protective plate 81
  • the second spring 83 is arranged on the inner surface of the lower end of the installation box 1
  • the second spring 83 is a fixed connection with the installation box 1.
  • the number of the second springs 83 is Several groups, arranged in an array, the soft pad 82 is arranged at the upper end of the second spring 83, the soft pad 82 and the second spring 83 are fixedly connected, and the shock absorption structure 8 can provide effective shock absorption for the battery pack 7 .
  • the lock tongue 61 is provided on the inner surface of the front end of the cover plate 2, and the lock tongue 61 and the cover plate 2 are fixedly connected by welding, and the groove 62 It is opened on the outer surface of the upper end of the installation box 1 corresponding to the latching position of the lock tongue 61, the movable lock 63 is arranged on the inner side of the groove 62 and penetrates the outer surface of the front end of the installation box 1, and the first spring 64 is arranged on the movable lock On the outer surface of 63, the movable lock 63 and the groove 62 are movably connected by the first spring 64, and the lock structure 6 is used to facilitate the fastening of the cover plate 2 and ensure the stability of the battery pack 7.
  • the cover 2 includes a handle 21 and a sponge pad 22.
  • the handle 21 is arranged on the outer surface of the front end of the cover 2.
  • the handle 21 and the cover 2 are fixedly connected, and the sponge pad 22 is arranged on the inner surface of the front end of the cover 2.
  • the sponge pad 22 and the cover plate 2 are fixedly connected, and the cover plate 2 can not only ensure the stability of the battery pack 7, but also facilitate the replacement of the battery pack 7.
  • the present invention is a high-performance battery pack protective structure.
  • the user places the battery pack 7 in the installation box 1, and then closes the cover plate 2 so that the upper end of the cover plate 2
  • the sponge pad 22 is in contact with the upper end of the battery pack 7, and at the same time, the lock tongue 61 on the inner surface of the cover plate 2 is locked into the groove 62.
  • the lock tongue 61 will be locked into the movable lock buckle 63, so that the cover plate 2 will be installed.
  • the battery pack 7 in the box 1 is fixed.
  • the user presses the movable lock buckle 63 on the surface to compress the first spring 64.
  • the movable lock buckle 63 shrinks inwardly, so that the lock tongue 61 is disengaged.
  • the cover 2 can be opened by the handle 21 and the battery pack 7 can be taken out.
  • the cover 2 and the lock structure 6 can not only ensure the stability of the battery pack 7, but also facilitate the replacement of the battery.
  • the battery pack 7 compresses the second spring 83 downward, and the downward pressure of the battery pack 7 neutralizes the upward elastic force of the second spring 83, so that the battery pack 7 It has a buffering effect, and at the same time, the soft protective plate 81 around the battery pack 7 is used to protect the battery pack 7 so as to provide an effective shock-absorbing effect for the battery pack 7.
  • the sponge pad on the inner surface of the cover can protect the upper end of the battery pack

Abstract

一种高性能电池组的防护结构，包括安装箱(1)，所述安装箱(1)的上端外表面设置有盖板(2)，所述安装箱(1)的后端靠近盖板(2)的连接处设置有支撑架(9)，所述支撑架(9)的内侧设置有连接轴(3)，所述盖板(2)的前端内表面与安装箱(1)的连接处设置有锁扣结构(6)，所述锁扣结构(6)包括锁舌(61)、凹槽(62)、活动锁扣(63)以及第一弹簧(64)，所述安装箱(1)的内侧设置有电池组(7)，所述电池组(7)的下端设置有减震结构(8)。通过设置有减震结构(8)，可以在电池组受到颠簸或者碰撞时起到缓冲作用，能够有效的为电池组提供避震效果，通过设置有端盖与锁扣结构(6)，不仅能够保证电池组的稳定性，还方便电池组的安装与更换。

Description

一种高性能电池组的防护结构 技术领域
本发明涉及防护结构技术领域，特别涉及一种高性能电池组的防护结构。
 背景技术
电池组作为纯电动汽车的核心部件之一，重而贵的电池组可以为电动汽车提供源源不断的动力，能保证电动汽车的正常行驶，但是现有的电池组本身不具有防撞功能，容易受损，不仅会影响电动汽车的动力，还会涉及到驾驶人的安全，为此，我们提出一种高性能电池组的防护结构。
 技术问题
本发明的主要目的在于提供一种高性能电池组的防护结构，可以有效解决背景技术中的问题。
 技术解决方案
为实现上述目的，本发明采取的技术方案为：
一种高性能电池组的防护结构，包括安装箱，所述安装箱的上端外表面
设置有盖板，所述安装箱的后端靠近盖板的连接处设置有支撑架，所述支撑架的内侧设置有连接轴，所述盖板的前端内表面与安装箱的连接处设置有锁扣结构，所述锁扣结构包括锁舌、凹槽、活动锁扣以及第一弹簧，所述安装箱的内侧设置有电池组，所述电池组的下端设置有减震结构。
优选的，所述减震结构包括软护板、软垫以及第二弹簧，所述软护板设置于安装箱的内侧，所述软护板的外表面与安装箱的内表面之间为固定连接，所述第二弹簧设置于安装箱的下端内表面，所述第二弹簧与安装箱之间为固定连接，所述第二弹簧的数量为若干组，且呈阵列排布，所述软垫设置于第二弹簧的上端，所述软垫与第二弹簧之间为固定连接。
优选的，所述锁舌设置于盖板的前端内表面，所述锁舌与盖板之间通过焊接固定连接，所述凹槽开设于安装箱的上端外表面对应锁舌的卡入处，所述活动锁扣设置于凹槽的内侧，且贯穿于安装箱的前端外表面，所述第一弹簧设置于活动锁扣的外表面，所述活动锁扣与凹槽之间通过第一弹簧活动连接。
优选的，所述支撑架设置于安装箱的上端外表面靠近后端拐角处，所述支撑架与安装箱之间通过焊接固定连接，所述支撑架的数量为两组，且呈对称排布，所述连接轴与支撑架之间为活动连接，且贯穿于盖板的内侧。
优选的，所述盖板包括提手、海绵垫，所述提手设置于盖板的前端外表面，所述提手与盖板之间为固定连接，所述海绵垫设置于盖板的前端内表面，所述海绵垫与盖板之间为固定连接。
优选的，所述盖板的上端外表面开设有通孔，所述通孔贯穿于盖板的上端外表面，且通孔小于电池组的横截面，所述安装箱的四周外表面均开设有散热窗，所述散热窗贯穿于安装箱的外表面。
 有益效果
与现有技术相比，本发明具有如下有益效果：该种高性能电池组的防护结构，通过设置有盖板与锁扣结构，将电池组安放在安装箱内，利用支撑架与连接轴合上盖板，使得盖板内表面的锁舌卡入凹糟内，被活动锁扣扣紧，利用盖板可以将电池组固定在安装箱内，配合安装箱内的减震结构，在电池组受到上下颠簸或者碰撞时，电池组利用第二弹簧与软垫之间的配合可以起到缓冲作用，四周则可以利用软护板吸收电池组受到碰撞时的冲击力，对电池组起到保护作用。
 附图说明
图1为本发明一种高性能电池组的防护结构的整体结构示意图；
图2为本发明一种高性能电池组的防护结构的剖视图；
图3为本发明一种高性能电池组的防护结构的局部结构示意图；
图4为本发明一种高性能电池组的防护结构的锁扣结构剖视图。
图中：1、安装箱；2、盖板；21、提手；22、海绵垫；3、连接轴；4、通孔；5、散热窗；6、锁扣结构；61、锁舌；62、凹槽；63、活动锁扣；64、第一弹簧；7、电池组；8、减震结构；81、软护板；82、软垫；83、第二弹簧；9、支撑架。
 本发明的最佳实施方式
为使本发明实现的技术手段、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，进一步阐述本发明。
实施例一：
如图1所示，一种高性能电池组的防护结构，包括安装箱1，安装箱1的上端外表面设置有盖板2，安装箱1的后端靠近盖板2的连接处设置有支撑架9，支撑架9的内侧设置有连接轴3，盖板2的前端内表面与安装箱1的连接处设置有锁扣结构6，锁扣结构6包括锁舌61、凹槽62、活动锁扣63以及第一弹簧64，安装箱1的内侧设置有电池组7，电池组7的下端设置有减震结构8。
支撑架9设置于安装箱1的上端外表面靠近后端拐角处，支撑架9与安装箱1之间通过焊接固定连接，支撑架9的数量为两组，且呈对称排布，连接轴3与支撑架9之间为活动连接，且贯穿于盖板2的内侧，利用支撑架9与连接轴3的配合，可以连接盖板2，有利于盖板2的开合。
盖板2的上端外表面开设有通孔4，通孔4贯穿于盖板2的上端外表面，且通孔4小于电池组7的横截面，利用通孔4可以对电池组7进行接线，安装箱1的四周外表面均开设有散热窗5，散热窗5贯穿于安装箱1的外表面，利用散热窗5有利于电池组7在工作时的散热。
实施例二：
在实施例一的基础上，如图2所示，减震结构8包括软护板81、软垫82以及第二弹簧83，软护板81设置于安装箱1的内侧，软护板81的外表面与安装箱1的内表面之间为固定连接，第二弹簧83设置于安装箱1的下端内表面，第二弹簧83与安装箱1之间为固定连接，第二弹簧83的数量为若干组，且呈阵列排布，软垫82设置于第二弹簧83的上端，软垫82与第二弹簧83之间为固定连接，利用减震结构8可以为电池组7提供有效的避震。
实施例三：
在实施例一与实施例二的基础上，如图3、4所示，锁舌61设置于盖板2的前端内表面，锁舌61与盖板2之间通过焊接固定连接，凹槽62开设于安装箱1的上端外表面对应锁舌61的卡入处，活动锁扣63设置于凹槽62的内侧，且贯穿于安装箱1的前端外表面，第一弹簧64设置于活动锁扣63的外表面，活动锁扣63与凹槽62之间通过第一弹簧64活动连接，利用锁扣结构6，方便扣紧盖板2，保证电池组7的稳定性。
盖板2包括提手21、海绵垫22，提手21设置于盖板2的前端外表面，提手21与盖板2之间为固定连接，海绵垫22设置于盖板2的前端内表面，海绵垫22与盖板2之间为固定连接，利用盖板2不仅可以保证电池组7的稳定性，还方便更换电池组7。
需要说明的是，本发明为一种高性能电池组的防护结构，在使用时，使用者将电池组7安放在安装箱1内，之后再将盖板2合上，使得盖板2上端的海绵垫22与电池组7的上端接触，同时，盖板2内表面的锁舌61卡入凹槽62内，此时锁舌61将会卡入活动锁扣63内，使得盖板2将安装箱1内的电池组7固定，在需要更换电池组7时，使用者按压表面的活动锁扣63，使得第一弹簧64被压缩，此时活动锁扣63向内侧收缩，使得锁舌61脱离活动锁扣63的咬合，再利用提手21将盖板2打开，取出电池组7即可，利用盖板2与锁扣结构6，不仅能够保证电池组7的稳定性，还有利于更换电池组7，当电动汽车在行驶过程中受到颠簸或者碰撞时，电池组7向下压缩第二弹簧83，电池组7向下的压力与第二弹簧83向上的弹力中和，从而对电池组7起到缓冲作用，同时利用电池组7四周的软护板81对电池组7起到保护作用，从而可以为电池组7提供有效的避震效果。
利用盖板内表面的海绵垫可以对电池组上端起到保护作用
以上显示和描述了本发明的基本原理和主要特征和本发明的优点。本行业的技术人员应该了解，本发明不受上述实施例的限制，上述实施例和说明书中描述的只是说明本发明的原理，在不脱离本发明精神和范围的前提下，本发明还会有各种变化和改进，这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。

Claims (6)

  1. 一种高性能电池组的防护结构，包括安装箱（1），其特征在于：所述安装箱（1）的上端外表面设置有盖板（2），所述安装箱（1）的后端靠近盖板（2）的连接处设置有支撑架（9），所述支撑架（9）的内侧设置有连接轴（3），所述盖板（2）的前端内表面与安装箱（1）的连接处设置有锁扣结构（6），所述锁扣结构（6）包括锁舌（61）、凹槽（62）、活动锁扣（63）以及第一弹簧（64），所述安装箱（1）的内侧设置有电池组（7），所述电池组（7）的下端设置有减震结构（8）。
  2. 根据权利要求1所述的一种高性能电池组的防护结构，其特征在于：所述减震结构（8）包括软护板（81）、软垫（82）以及第二弹簧（83），所述软护板（81）设置于安装箱（1）的内侧，所述软护板（81）的外表面与安装箱（1）的内表面之间为固定连接，所述第二弹簧（83）设置于安装箱（1）的下端内表面，所述第二弹簧（83）与安装箱（1）之间为固定连接，所述第二弹簧（83）的数量为若干组，且呈阵列排布，所述软垫（82）设置于第二弹簧（83）的上端，所述软垫（82）与第二弹簧（83）之间为固定连接。
  3. 根据权利要求1所述的一种高性能电池组的防护结构，其特征在于：所述锁舌（61）设置于盖板（2）的前端内表面，所述锁舌（61）与盖板（2）之间通过焊接固定连接，所述凹槽（62）开设于安装箱（1）的上端外表面对应锁舌（61）的卡入处，所述活动锁扣（63）设置于凹槽（62）的内侧，且贯穿于安装箱（1）的前端外表面，所述第一弹簧（64）设置于活动锁扣（63）的外表面，所述活动锁扣（63）与凹槽（62）之间通过第一弹簧（64）活动连接。
  4. 根据权利要求1所述的一种高性能电池组的防护结构，其特征在于：所述支撑架（9）设置于安装箱（1）的上端外表面靠近后端拐角处，所述支撑架（9）与安装箱（1）之间通过焊接固定连接，所述支撑架（9）的数量为两组，且呈对称排布，所述连接轴（3）与支撑架（9）之间为活动连接，且贯穿于盖板（2）的内侧。
  5. 根据权利要求1所述的一种高性能电池组的防护结构，其特征在于：所述盖板（2）包括提手（21）、海绵垫（22），所述提手（21）设置于盖板（2）的前端外表面，所述提手（21）与盖板（2）之间为固定连接，所述海绵垫（22）设置于盖板（2）的前端内表面，所述海绵垫（22）与盖板（2）之间为固定连接。
  6. 根据权利要求1所述的一种高性能电池组的防护结构，其特征在于：所述盖板（2）的上端外表面开设有通孔（4），所述通孔（4）贯穿于盖板（2）的上端外表面，且通孔（4）小于电池组（7）的横截面，所述安装箱（1）的四周外表面均开设有散热窗（5），所述散热窗（5）贯穿于安装箱（1）的外表面。
PCT/CN2020/081924 2020-03-28 2020-03-28 一种高性能电池组的防护结构 WO2021195808A1 (zh)

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