WO2022021064A1 - 一种电池容置装置、电池装配组件、电池模组及电池包 - Google Patents

一种电池容置装置、电池装配组件、电池模组及电池包 Download PDF

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Publication number
WO2022021064A1
WO2022021064A1 PCT/CN2020/105170 CN2020105170W WO2022021064A1 WO 2022021064 A1 WO2022021064 A1 WO 2022021064A1 CN 2020105170 W CN2020105170 W CN 2020105170W WO 2022021064 A1 WO2022021064 A1 WO 2022021064A1
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WIPO (PCT)
Prior art keywords
plate
battery
casing
side plate
end plate
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Application number
PCT/CN2020/105170
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English (en)
French (fr)
Inventor
袁兆鹏
于林
刘彬
占莉
潘福中
Original Assignee
威睿电动汽车技术(宁波)有限公司
吉利汽车研究院(宁波)有限公司
浙江吉利控股集团有限公司
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Publication date
Application filed by 威睿电动汽车技术(宁波)有限公司, 吉利汽车研究院(宁波)有限公司, 浙江吉利控股集团有限公司 filed Critical 威睿电动汽车技术(宁波)有限公司
Priority to CN202080101358.7A priority Critical patent/CN115836432A/zh
Priority to PCT/CN2020/105170 priority patent/WO2022021064A1/zh
Publication of WO2022021064A1 publication Critical patent/WO2022021064A1/zh

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/202Casings or frames around the primary casing of a single cell or a single battery
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204Racks, modules or packs for multiple batteries or multiple cells
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/244Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Definitions

  • the present application relates to the technical field of battery packs for electric vehicles, and in particular, to a battery accommodating device, a battery assembly assembly, a battery module and a battery pack.
  • battery packs As the core component of new energy vehicles, battery packs have become the focus of future development with high power and high safety performance. In order to meet the requirements of passenger comfort and ground clearance at the same time, battery packs for pure electric vehicles are more and more inclined to reduce the Z dimension. Therefore, the battery pack with a flat and low structure will become a trend in the development of pure electric vehicles in the future;
  • the inner module of the battery pack usually fixes the inner module on the lower tray through the four corners.
  • the module size is large, the overall rigidity of the module will be relatively weak.
  • the module only passes through the four corners.
  • the overall strength of the installation point will be relatively low, and the large module requires a higher lower tray strength.
  • the lower tray is usually made thicker to improve the strength, so that the Z dimension will also increase, which is not conducive to the flat design of the battery pack.
  • the battery accommodating device disclosed in the present application not only facilitates assembly, but also improves the battery accommodating capacity through the partition structure provided in the casing, the slideway and the fireproof insulating layer provided on the cover plate and the base plate.
  • the stiffness of the device reducing the Z height.
  • the present application provides a battery accommodating device, comprising a casing, a first side plate, a second side plate and at least one separator;
  • the housing is provided with a first opening and a second opening, and a channel connecting the first opening and the second opening is provided in the housing;
  • the first side plate is connected to the casing for sealing the first opening
  • the second side plate is connected to the casing for sealing the second opening
  • the separator is arranged in the channel, and is used for dividing the channel into at least two chambers, the chambers being used for accommodating battery cells;
  • the housing includes a cover plate and a base plate that are arranged oppositely, and slideways are provided on one side of the cover plate and the base plate located in the channel;
  • the cover plate and the slideway on the base plate are arranged opposite to each other, and the partition plate is respectively connected with the cover plate and the base plate through the slideway;
  • a fireproof insulating layer is sprayed on one side of the cover plate and the base plate close to the inside of the channel.
  • the housing further includes a first end plate and a second end plate;
  • the cover plate, the first end plate, the base plate and the second end plate are sequentially connected to form the casing;
  • the cover plate and the base plate are arranged in parallel, and the first end plate and the second end plate are arranged opposite to each other.
  • At least two first fixing members are provided on the first end plate and the second end plate;
  • the first fixing member on the first end plate is arranged on the outer surface of the first end plate away from the inner wall of the channel;
  • One end of the first fixing member is fixedly connected with the first end plate, and the other end is a free end;
  • the first fixing member on the second end plate is arranged on the outer side of the second end plate away from the inner wall of the channel;
  • One end of the first fixing member is fixedly connected with the second end plate, and the other end is a free end.
  • a rib is formed on the slideway on the cover plate in a direction away from the base plate;
  • a rib is formed on the slideway on the base plate in a direction away from the cover plate.
  • a side surface of the first side plate and the second side plate away from the channel opening is provided with a second fixing member
  • One end of the second fixing member on the first side plate is fixedly connected to the first side plate, and the other end is a free end;
  • One end of the second fixing member on the second side plate is fixedly connected with the second side plate, and the other end is a free end.
  • the battery accommodating device disclosed in the present application not only facilitates assembly, but also improves the battery accommodating device through the separator structure provided in the casing and the slideway and fireproof insulating layer provided on the cover plate and the base plate. Stiffness, reduce Z height.
  • the present application also describes a battery assembly assembly, comprising a tray and the battery accommodating device according to any one of claims 1-5;
  • At least one accommodating groove is formed on the tray, and the casing is arranged in the accommodating groove;
  • the casing is fixedly connected to the side frame of the accommodating slot through the first side plate, the second side plate, the first end plate and the second end plate of the casing.
  • the tray includes a base plate and a load-bearing frame, and the base plate and the load-bearing frame are fixedly connected;
  • the bottom plate is used as the bottom of the accommodating groove, and the load-bearing frame is used as the side frame of the accommodating groove to form the accommodating groove;
  • the casing is fixedly connected to the load-bearing frame through the first side plate, the second side plate, the first end plate and the second end plate of the casing.
  • the load-bearing frame is provided with a first connecting portion and a second connecting portion;
  • Both the first end plate and the second end plate are connected to the first connecting portion, and both the first side plate and the second side plate are connected to the second connecting portion.
  • the first end plate is fixedly connected to the first connecting portion through a free end of a first fixing member on the first end plate;
  • the second end plate is fixedly connected to the first connecting portion through the free end of the first fixing member on the second end plate;
  • the first side plate is fixedly connected with the second connecting part through the free end of the second fixing member on the first side plate;
  • the second side plate is fixedly connected to the second connecting portion through the free end of the second fixing member on the second side plate.
  • a groove is further provided on the end of the tray, and the groove is used for accommodating the electrical unit.
  • the battery assembly assembly disclosed in this application by forming an accommodating groove on the tray, and using the side plate of the casing and the side surface of the end plate to be fixedly connected to the side frame of the accommodating groove, not only the accommodating groove is
  • the bottom surface of the battery is not stressed, which facilitates the integration of other better system components on the bottom surface, and can also reduce the Z-direction height of the battery assembly assembly and increase the X-direction strength of the battery assembly assembly.
  • the present application also describes a battery module, comprising at least two battery cells and the battery accommodating device according to any one of claims 1-5;
  • the battery unit is arranged in the cavity of the casing.
  • the battery unit includes a battery body and a heat-conducting structure, the heat-conducting structure is located on a side of the battery body close to the substrate;
  • the battery body is provided with tabs and at least two fire-proof and heat-insulating pads;
  • the tabs are arranged at the end of the battery body
  • the fire-proof and heat-insulating pads are arranged on the side of the battery body adjacent to the tabs; the two fire-proof and heat-insulating pads are arranged opposite to each other;
  • the fireproof and heat-insulating pad is located on the side close to the separator, and the tab is located on the side close to the first side plate.
  • the present application also describes a battery pack, comprising a battery unit and the battery assembly assembly described in any one of claims 6-9;
  • the battery unit is arranged in the cavity of the casing
  • the casing is arranged in the accommodating groove of the tray, and the casing is connected to the casing through the first side plate, the second side plate, the first end plate and the second end plate of the casing.
  • the side frame of the accommodating slot is fixedly connected.
  • a third connecting portion is further provided on the tray, and the third connecting portion is used for connecting with the vehicle body.
  • a liquid cooling system is integrated on the bottom plate of the tray to dissipate heat from the battery module.
  • the battery pack disclosed in the present application can reduce the Z-direction height of the battery pack and increase the X-direction strength of the battery pack during assembly.
  • FIG. 1 is a schematic three-dimensional structure diagram of a battery accommodating device
  • Fig. 2 is the enlarged schematic diagram of the slideway structure in Fig. 1;
  • FIG. 3 is a schematic diagram of an exploded structure of a battery accommodating device
  • FIG. 4 is a schematic structural diagram of a battery assembly assembly
  • FIG. 5 is a schematic diagram of a disassembled structure of a battery assembly assembly
  • Fig. 6 is the structural representation of the tray
  • FIG. 7 is a schematic structural diagram of a battery unit
  • FIG. 8 is a schematic structural diagram of a battery module
  • the reference numerals in the figure correspond to: 1-cover plate, 2-base plate, 3-first end plate, 301-first fixing member, 4-first side plate, 401-second fixing member, 5-spacer Plate, 6-shell, 601-channel, 602-cavity, 7-slide, 701-rib, 8-battery unit, 801-battery body, 802-thermal conduction structure, 803-pole lug, 804-fireproof Thermal pad, 9-tray, 901-accommodating slot, 902-bottom plate, 903-load-bearing frame, 904-first connection part, 905-second connection part, 906-third connection part, 907-groove, 10-
  • the present application discloses a schematic three-dimensional structure of a battery accommodating device.
  • the battery accommodating device includes a casing 6 , a first side plate 4 , a second side plate 11 and at least one separator 5 ;
  • the casing 6 is provided with a first opening and a second opening, and the casing 6 is provided with a channel 601 communicating with the first opening and the second opening;
  • the first side plate 4 is connected to the housing 6 for sealing the first opening
  • the second side plate 11 is connected to the housing 6 for sealing the second opening
  • the separator 5 is arranged in the channel 601 for dividing the channel 601 into at least two cavities 602, and the cavities 602 are used for accommodating the battery cells 8;
  • the housing 6 includes a cover plate 1 and a base plate 2 arranged oppositely, and a slideway 7 is provided on one side of the cover plate 1 and the base plate 2 located in the channel 601;
  • the slideways 7 on the cover plate 1 and the base plate 2 are disposed opposite to each other, and the partition plate 5 is respectively connected with the cover plate 1 and the base plate 2 through the slideways 7;
  • One side of the cover plate 1 and the base plate 2 close to the channel 601 is sprayed with a fireproof insulating layer; the present application adopts the structure of the partition plate 5 arranged in the casing 6 and the arrangement on the cover plate 1 and the base plate 2
  • the slideway 7 and the fireproof insulating layer are not only convenient for assembly, but also improve the rigidity of the battery accommodating device and reduce the Z-direction height.
  • first side plate 4 and the second side plate 11 are the same;
  • the partition plate 5 enters the channel 601 along the slideway 7 ; preferably, the partition plate 5 is fixedly connected to the cover plate 1 and the base plate 2 respectively.
  • the fireproof insulating layer is a sprayed fireproof insulating paint layer; the problem of increasing the Z-direction height of the battery accommodating device due to the installation of insulating plates is avoided.
  • the housing 6 further includes a first end plate 3 and a second end plate 10;
  • the cover plate 1 , the first end plate 3 , the base plate 2 and the second end plate 10 are sequentially connected to form the casing 6 ;
  • the cover plate 1 and the base plate 2 are arranged in parallel, and the first end plate 3 and the second end plate 10 are arranged opposite to each other.
  • first end plate 3 and the second end plate 10 are the same.
  • At least two first fixing members 301 are provided on the first end plate 3 and the second end plate 10 ;
  • the first fixing member 301 on the first end plate 3 is arranged on the outer side of the first end plate 3 away from the inner wall of the channel 601;
  • One end of the first fixing member 301 is fixedly connected to the first end plate 3, and the other end is a free end;
  • the first fixing member 301 on the second end plate 10 is disposed on the outer surface of the second end plate 10 away from the inner wall of the channel 601;
  • One end of the first fixing member 301 is fixedly connected to the second end plate 10 , and the other end is a free end.
  • the first fixing member 301 is disposed on the side of the first end plate 3 or the second end plate 10, and has a certain distance from the end frame of the first end plate 3 or the second end plate 10;
  • first fixing members 301 can be provided, and the free ends of the first fixing members 301 are provided with through holes, and the through holes are used for connecting with the first connecting portion 904 on the tray 9;
  • the through holes may be screw holes.
  • ribs 701 are formed on the slideway 7 on the cover plate 1 in the direction away from the base plate 2 ;
  • the slideway 7 on the base plate 2 is formed with a rib 701 in a direction away from the cover plate 1 ; the rib 701 provided in the present application can increase the overall rigidity of the battery accommodating device.
  • a side surface of the first side plate 4 and the second side plate 11 away from the opening of the channel 601 is provided with a second fixing member 401 ;
  • One end of the second fixing member 401 on the first side plate 4 is fixedly connected to the first side plate 4, and the other end is a free end;
  • One end of the second fixing member 401 on the second side plate 11 is fixedly connected to the second side plate 11 , and the other end is a free end.
  • the second fixing member 401 is disposed on the side surface of the first side plate 4 or the second side plate 11 , and has a certain distance from the end frames of the first side plate 4 and the second side plate 11 . distance.
  • the free end of the second fixing member 401 is provided with a plurality of connecting holes, and the connecting holes are used for connecting with the second connecting portion 905 on the tray 9;
  • connection holes may be screw holes.
  • the cover plate 1 , the first end plate 3 , the base plate 2 and the second end plate 10 are welded and fixed in sequence to form the casing 6 ; along the cover plate 1 and the base plate
  • the slideway 7 set on They are respectively fixed with the cover plate 1 and the base plate 2; then along the channel 601, a fireproof insulating paint layer is sprayed on the cover plate 1 and the base plate 2 and dried; so as to facilitate the subsequent pushing of the battery cells into the cavity 602, and finally use
  • the first side plate 4 and the second side plate 11 seal the first opening and the second opening on the housing 6 .
  • FIG. 4 is a schematic structural diagram of a battery assembly assembly disclosed in this application.
  • the battery assembly assembly includes a tray 9 and the battery accommodating device 12 described above;
  • At least one accommodating groove 901 is formed on the tray 9, and the housing 6 is arranged in the accommodating groove 901;
  • the casing 6 is fixed to the side frame of the accommodating slot 901 through the first side plate 4 , the second side plate 11 , the first end plate 3 and the second end plate 10 of the casing 6 . connect.
  • the tray 9 includes a bottom plate 902 and a load-bearing frame 903, and the bottom plate 902 and the load-bearing frame 903 are fixedly connected;
  • the bottom plate 902 is used as the groove bottom of the accommodating groove 901, and the load-bearing frame 903 is used as the side frame of the accommodating groove 901 to form the accommodating groove 901;
  • the casing 6 is fixedly connected to the load-bearing frame 903 through the first side plate 4, the second side plate 11, the first end plate 3 and the second end plate 10 of the casing 6; this application
  • This design makes the weight of the battery accommodating device 12 mainly on the load-bearing frame 903, and the bottom plate 902 mainly plays the role of structural sealing and does not play the role of load-bearing.
  • the bottom plate 902 and the load-bearing frame 903 are connected by welding or bonding.
  • the load-bearing frame 903 is provided with a first connecting portion 904 and a second connecting portion 905;
  • the first end plate 3 and the second end plate 10 are both connected to the first connecting portion 904 , and the first side plate 4 and the second side plate 11 are both connected to the second connecting portion 905 connect.
  • the first end plate 3 is fixedly connected to the first connecting portion 904 through the free end of the first fixing member 301 on the first end plate 3;
  • the second end plate 10 is fixedly connected to the first connecting portion 904 through the free end of the first fixing member 301 on the second end plate 10;
  • the first side plate 4 is fixedly connected to the second connecting portion 905 through the free end of the second fixing member 401 on the first side plate 4;
  • the second side plate 11 is fixedly connected to the second connecting portion 905 through the free end of the second fixing member 401 on the second side plate 11 .
  • the first connecting portion 904 is provided with connecting holes that cooperate with the free ends of the first end plate 3 and the through holes on the free ends of the second end plate 10; the first end plate 3 and the second end plate 10 are connected to the first connecting portion 904 by bolts;
  • the second connecting portion 905 is provided with a hole that matches with the connecting hole provided on the free end of the first side plate 4 and the free end of the second side plate 11 ; the first side plate 4 and the second side plate 11 11 are connected to the second connecting portion 905 by bolts.
  • a groove 907 is further provided on the end of the tray 9 , and the groove 907 is used for accommodating the electrical unit 13 .
  • the groove 907 is formed by the load-bearing bracket 903 and the bottom plate 902 .
  • the battery assembly assembly disclosed in the present application by forming an accommodating groove on the tray, and using the side plate of the casing and the side surface of the end plate to be fixedly connected to the side frame of the accommodating groove, not only the bottom surface of the accommodating groove is not affected by It is easy to integrate other system components better on the bottom surface, and it can also reduce the Z-direction height of the battery assembly assembly and increase the X-direction strength of the battery assembly assembly.
  • FIG. 8 is a schematic structural diagram of a battery module disclosed in this application.
  • the battery module includes at least two battery cells 8 and the battery accommodating device 12 described above;
  • the battery unit 8 is arranged in the cavity 602 of the casing 6 .
  • the battery unit 8 includes a battery body 801 and a heat conducting structure 802, and the heat conducting structure 802 is located on the side of the battery body 801 close to the substrate 2;
  • the battery body 801 is provided with tabs 803 and at least two fireproof and heat-insulating pads 804;
  • the tabs 803 are arranged at the end of the battery body 801;
  • the fireproof and heat-insulating pads 804 are arranged on the side of the battery body 801 adjacent to the tabs 803; the two fire-proof and heat-insulating pads 804 are arranged opposite to each other;
  • the fireproof and heat-insulating pad 804 is located on the side close to the separator 5
  • the tab 803 is located on the side close to the first side plate 4 . .
  • the present application also discloses a battery pack.
  • the battery pack includes at least two battery cells 8 and the above-mentioned battery assembly assembly;
  • the battery unit 8 is arranged in the cavity 602 of the casing 6;
  • the casing 6 is arranged in the accommodating groove 901 of the tray 9 , and the casing 6 passes through the first side plate 4 , the second side plate 11 , and the first end plate of the casing 6 . 3 and the second end plate 10 are fixedly connected to the side frame of the accommodating slot 901 .
  • a third connecting portion 906 is further provided on the tray 9 , and the third connecting portion 906 is used for connecting with the vehicle body.
  • a liquid cooling system is integrated on the bottom plate 902 of the tray 9 to dissipate heat from the battery module; this design of the present application makes the weight of the battery accommodating device 12 mainly on the load-bearing frame 903, and the bottom plate
  • the 902 mainly plays the role of structural sealing and does not play a load-bearing role. Therefore, when the battery unit needs to be cooled, a liquid cooling system can be integrated on the bottom plate 902 to cool the battery module and dissipate heat.
  • the battery pack disclosed in the present application can reduce the Z-direction height of the battery pack and increase the X-direction strength of the battery pack during assembly.

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  • General Chemical & Material Sciences (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

本申请公开了一种电池容置装置、电池装配组件、电池模组及电池包,所述电池容置装置,包括壳体、第一侧板、第二侧板和至少一个隔板;壳体上设有第一开口和第二开口,壳体内设有连通第一开口和第二开口的通道;第一侧板与壳体连接,用于密封第一开口,第二侧板与壳体连接,用于密封第二开口;隔板设置在通道内,用于将通道分割成至少两个容腔,容腔用于容置电池单元;壳体包括相对设置的盖板和基板,盖板和基板位于通道内的一侧面上均设置有滑道;盖板和基板上的滑道相对设置,隔板通过滑道分别与盖板和基板连接;盖板和基板靠近通道内的一侧均喷涂有防火绝缘层;本申请设置的隔板、滑道和防火绝缘层,提高了电池容置装置的刚度,减小Z向高度。

Description

一种电池容置装置、电池装配组件、电池模组及电池包 技术领域
本申请涉及电动汽车电池包技术领域,尤其涉及一种电池容置装置、电池装配组件、电池模组及电池包。
背景技术
电池包作为新能源汽车的核心部件,高电量,高安全性能成为未来发展的焦点,为了同时满足乘客舒适性以及离地间隙的要求,纯电动汽车电池包越来越倾向于向降低Z向尺寸的方向发展,因此,扁平状低矮结构的电池包会成为未来纯电动汽车发展的一个趋势;
由于纯电动车电池包普遍尺寸较大,将电池包做成低矮结构会导致内部模组布置较为困难,整包刚性较低,且也会使整包体积能量密度降低;
目前,电池包的内模组往往通过四个角将内模组固定在下托盘上,但是当模组尺寸较大时,模组整体刚度会比较弱,此时模组仅仅通过四个角位置的安装点整体强度就会比较低,并且大模组需要下托盘强度更高,下托盘通常会做的比较厚来提高强度,这样Z向尺寸也会增加,不利于电池包扁平化设计。
发明内容
为了解决上述技术问题,本申请公开的电池容置装置,通过在壳体内设置的隔板结构以及在盖板和基板上设置的滑道和防火绝缘层,不仅方便装配,而且提高了电池容置装置的刚度,减小Z向高度。
为了达到上述发明目的,本申请提供了一种电池容置装置,包括壳体、第一侧板、第二侧板和至少一个隔板;
所述壳体上设有第一开口和第二开口,所述壳体内设有连通所述第一开口和所述第二开口的通道;
所述第一侧板与所述壳体连接,用于密封所述第一开口,所述第二侧板与所述壳体连接,用于密封所述第二开口;
所述隔板设置在所述通道内,用于将所述通道分割成至少两个容腔,所述容腔用于容置电池单元;
所述壳体包括相对设置的盖板和基板,所述盖板和所述基板位于所述通道内的一侧面上均设置有滑道;
所述盖板和所述基板上的滑道相对设置,所述隔板通过所述滑道分别与所述盖板和所述基板连接;
所述盖板和所述基板靠近所述通道内的一侧均喷涂有防火绝缘层。
在一个实施例中,所述壳体还包括第一端板和第二端板;
所述盖板、所述第一端板、所述基板和所述第二端板依次连接形成所述壳体;
所述盖板和所述基板平行设置,所述第一端板和所述第二端板相对设置。
在一个实施例中,所述第一端板和所述第二端板上设有至少两个第一固定件;
所述第一端板上的第一固定件设置在所述第一端板远离所述通道内壁的外侧面上;
所述第一固定件一端与所述第一端板固定连接,另一端为自由端;
所述第二端板上的第一固定件设置在所述第二端板远离所述通道内壁的外侧面上;
所述第一固定件一端与所述第二端板固定连接,另一端为自由端。
在一个实施例中,所述盖板上的所述滑道向远离所述基板的方向形成有凸筋;
所述基板上的所述滑道向远离所述盖板的方向形成有凸筋。
在一个实施例中,所述第一侧板和所述第二侧板远离所述通道开口的一侧面设置有第二固定件;
所述第一侧板上的所述第二固定件一端与所述第一侧板固定连接,另一端为自由端;
所述第二侧板上的第二固定件一端与所述第二侧板固定连接,另一端为自由端。
具体的优点:本申请公开的电池容置装置,通过在壳体内设置的隔板结构以及在盖板和基板上设置的滑道和防火绝缘层,不仅方便装配,而且提高了电池容置装置的刚度,减小Z向高度。
本申请还描述了一种电池装配组件,包括托盘和权利要求1-5任一项所述的电池容置装置;
所述托盘上形成有至少一个容置槽,所述壳体设置在所述容置槽内;
所述壳体通过所述第一侧板、所述第二侧板、所述壳体的第一端板和第二端板与所述容置槽的侧边框固定连接。
在一个实施例中,所述托盘包括底板和承重框架,所述底板和所述承重框架固定连接;
以所述底板为所述容置槽的槽底,以所述承重框架为所述容置槽的侧边框形成所述容置槽;
所述壳体通过所述第一侧板、所述第二侧板、所述壳体的第一端板和第二端板与所述承重框架固定连接。
在一个实施例中,所述承重框架上设有第一连接部和第二连接部;
所述第一端板和所述第二端板均与所述第一连接部连接,所述第一侧板和所述第二侧板均与所述第二连接部连接。
在一个实施例中,所述第一端板通过所述第一端板上第一固定件的自由端与所述第一连接部固定连接;
所述第二端板通过所述第二端板上第一固定件的自由端与所述第一连接部固定连接;
所述第一侧板通过所述第一侧板上第二固定件的自由端与所述第二连接部固定连接;
所述第二侧板通过所述第二侧板上第二固定件的自由端与所述第二连接部固定连接。
在一个实施例中,所述托盘的端部上还设有凹槽,所述凹槽用于容置电气单元。
具体的优点:本申请公开的电池装配组件,通过在托盘上形成容置槽,且采用壳体的侧板的侧面和端板的侧面与容置槽的侧边框固定连接,不仅使得容置槽的底面不受力,便于在底面集成更好的其他系统组件,还可以减小电池装配组件的Z向高度,增加电池装配组件X向的强度。
本申请还描述了一种电池模组,包括至少两个电池单元和权利要求1-5任意一项所述的电池容置装置;
所述电池单元设置在所述壳体的所述容腔内。
在一个实施例中,所述电池单元包括电池主体和导热结构,所述导热结构位于所述电池主体的靠近所述基板的一侧;
所述电池主体上设有极耳和至少两个防火隔热垫;
所述极耳设置在所述电池主体端部;
所述防火隔热垫设置在所述电池主体上与所述极耳相邻的侧面;两个所述防火隔热垫相对设置;
所述电池单元置于所述容腔内时,所述防火隔热垫位于靠近所述隔板的一侧,所述极耳位于靠近所述第一侧板的一侧。
本申请还描述了一种电池包,包括电池单元和权利要求6-9任意一项所述的电池装配组件;
所述电池单元设置在所述壳体的所述容腔内;
所述壳体设置在所述托盘的容置槽内,所述壳体通过所述第一侧板、所述第二侧板、所述壳体的第一端板和第二端板与所述容置槽的侧边框固定连接。
在一个实施例中,所述托盘上还设第三连接部,所述第三连接部用于与车身连接。
在一个实施例中,所述托盘的底板上集成有液冷系统,用于对所述电池模组进行散热。
具体的优点:本申请公开的电池包,在装配时,可以减小电池包的Z向高度,增加电池包X向的强度。
附图说明
为了更清楚地说明本申请实施例或现有技术中的技术方案和优点,下面将对实施例或现有技术描述中所需要使用的附图作简单的介绍,显而易见地,下面描述中的附图仅仅是本申请的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其它附图。
图1为电池容置装置的立体结构示意图;
图2为图1中滑道结构的放大示意图;
图3为电池容置装置的爆炸结构示意图;
图4为电池装配组件的结构示意图;
图5为电池装配组件的拆分结构示意图;
图6为托盘的结构示意图;
图7为电池单元的结构示意图;
图8为电池模组的结构示意图;
其中,图中附图标记对应为:1-盖板,2-基板,3-第一端板,301-第一固定件,4-第一侧板,401-第二固定件,5-隔板,6-壳体,601-通道,602-容腔,7-滑道,701-凸筋,8-电池单元,801-电池主体,802-导热结构,803-极耳,804-防火隔热垫,9-托盘,901-容置槽,902-底板,903-承重框架,904-第一连接部,905-第二连接部,906-第三连接部,907-凹槽,10-第二端板,11-第二侧板,12-电池容置装置,13-电气单元。
具体实施方式
为使本申请的目的、技术方案和优点更加清楚,下面将结合附图对本申请作进一步地详细描述。
需要说明的是,本申请的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象,而不必用于描述特定的顺序或先后次序。术语“包括”和“具有”以及他们的任何变形,意图在于覆盖不排他的包含。在不同的实施变型中,相同的部件具有相同的附图标记。
如图1所示为本申请公开了一种电池容置装置的立体结构示意图,所 述的电池容置装置包括壳体6、第一侧板4、第二侧板11和至少一个隔板5;
所述壳体6上设有第一开口和第二开口,所述壳体6内设有连通所述第一开口和所述第二开口的通道601;
所述第一侧板4与所述壳体6连接,用于密封所述第一开口,所述第二侧板11与所述壳体6连接,用于密封所述第二开口;
所述隔板5设置在所述通道601内,用于将所述通道601分割成至少两个容腔602,所述容腔602用于容置电池单元8;
所述壳体6包括相对设置的盖板1和基板2,所述盖板1和所述基板2位于所述通道601内的一侧面上均设置有滑道7;
所述盖板1和所述基板2上的滑道7相对设置,所述隔板5通过所述滑道7分别与所述盖板1和所述基板2连接;
所述盖板1和所述基板2靠近所述通道601内的一侧均喷涂有防火绝缘层;本申请通过在壳体6内设置的隔板5结构以及在盖板1和基板2上设置的滑道7和防火绝缘层,不仅方便装配,而且提高了电池容置装置的刚度,减小Z向高度。
具体的,第一侧板4和第二侧板11的结构相同;
具体的,隔板5沿滑道7进入所述通道601内;优选地,所述隔板5分别与所述盖板1和基板2固定连接。
优选地,所述防火绝缘层为喷涂的防火绝缘漆层;避免设置绝缘板而导致电池容置装置Z向高度增加的问题。
如图1和图3所示,所述壳体6还包括第一端板3和第二端板10;
所述盖板1、所述第一端板3、所述基板2和所述第二端板10依次连接形成所述壳体6;
所述盖板1和所述基板2平行设置,所述第一端板3和所述第二端板10相对设置。
具体的,第一端板3和第二端板10的结构相同。
如图1和图3所示,所述第一端板3和所述第二端板10上设有至少两个第一固定件301;
所述第一端板3上的第一固定件301设置在所述第一端板3远离所述 通道601内壁的外侧面上;
所述第一固定件301一端与所述第一端板3固定连接,另一端为自由端;
所述第二端板10上的第一固定件301设置在所述第二端板10远离所述通道601内壁的外侧面上;
所述第一固定件301一端与所述第二端板10固定连接,另一端为自由端。
具体的,第一固定件301设置在第一端板3或第二端板10的侧面上,距离所述第一端板3或第二端板10的端部边框具有一定的距离;
优选地,可以设置三个第一固定件301,所述第一固定件301的自由端上设有通孔,所述通孔用于与托盘9上的第一连接部904连接;
优选地,通孔可以为螺孔。
如图2所示,所述盖板1上的所述滑道7向远离所述基板2的方向形成有凸筋701;
所述基板2上的所述滑道7向远离所述盖板1的方向形成有凸筋701;本申请设置的凸筋701可以增加电池容置装置的整体刚性。
如图1和图3所示,所述第一侧板4和所述第二侧板11远离所述通道601开口的一侧面设置有第二固定件401;
所述第一侧板4上的所述第二固定件401一端与所述第一侧板4固定连接,另一端为自由端;
所述第二侧板11上的第二固定件401一端与所述第二侧板11固定连接,另一端为自由端。
具体的,所述第二固定件401设置在第一侧板4或第二侧板11的侧面上,距离所述第一侧板4和所述第二侧板11的端部边框具有一定的距离。
具体的,第二固定件401的自由端上设有多个连接孔,所述连接孔用于与托盘9上的第二连接部905连接;
优选地,连接孔可以为螺孔。
本申请中的电池容置装置,在装配时,先将盖板1,第一端板3、基板2和第二端板10依次焊接固定在一起形成壳体6;沿着盖板1和基板2上 设置的滑道7,将隔板5推入壳体6的通道601内,将通道601分割成容腔602,并沿着滑道7的凸筋701的位置进行焊接,使得隔板5分别与盖板1和基板2固定在一起;再沿着通道601在盖板1和基板2上喷涂防火绝缘漆层并烘干;以便于后续将电池单元推入容腔602内,最后再采用第一侧板4和第二侧板11将壳体6上第一开口和第二开口密封。
如图4所示为本申请公开的一种电池装配组件的结构示意图,所述的电池装配组件,包括托盘9和上述所述的电池容置装置12;
所述托盘9上形成有至少一个容置槽901,所述壳体6设置在所述容置槽901内;
所述壳体6通过所述第一侧板4、所述第二侧板11、所述壳体6的第一端板3和第二端板10与所述容置槽901的侧边框固定连接。
如图5和图6所示,所述托盘9包括底板902和承重框架903,所述底板902和所述承重框架903固定连接;
以所述底板902为所述容置槽901的槽底,以所述承重框架903为所述容置槽901的侧边框形成所述容置槽901;
所述壳体6通过所述第一侧板4、所述第二侧板11、所述壳体6的第一端板3和第二端板10与所述承重框架903固定连接;本申请的这种设计使得电池容置装置12的重量主要在承重框架903上,底板902主要起到结构密封的作用,不起承重的作用。
优选地,底板902与承重框架903之间为焊接连接或粘结连接。
具体的,所述承重框架903上设有第一连接部904和第二连接部905;
所述第一端板3和所述第二端板10均与所述第一连接部904连接,所述第一侧板4和所述第二侧板11均与所述第二连接部905连接。
具体的,所述第一端板3通过所述第一端板3上第一固定件301的自由端与所述第一连接部904固定连接;
所述第二端板10通过所述第二端板10上第一固定件301的自由端与所述第一连接部904固定连接;
所述第一侧板4通过所述第一侧板4上第二固定件401的自由端与所 述第二连接部905固定连接;
所述第二侧板11通过所述第二侧板11上第二固定件401的自由端与所述第二连接部905固定连接。
优选地,第一连接部904上设有与第一端板3的自由端和第二端板10的自由端上的通孔配合的连接孔;第一端板3和所述第二端板10均通过螺栓与第一连接部904连接;
优选地,第二连接部905上设有与第一侧板4的自由端和第二侧板11配合的自由端上设置的连接孔相配合的孔;第一侧板4和第二侧板11均通过螺栓与第二连接部905连接。
具体的,所述托盘9的端部上还设有凹槽907,所述凹槽907用于容置电气单元13。
优选地,所述凹槽907由所述承重支架903和底板902形成。
本申请公开的电池装配组件,通过在托盘上形成容置槽,且采用壳体的侧板的侧面和端板的侧面与容置槽的侧边框固定连接,不仅使得容置槽的底面不受力,便于在底面集成更好的其他系统组件,还可以减小电池装配组件的Z向高度,增加电池装配组件X向的强度。
如图8所示为本申请公开的一种电池模组的结构示意图,所述的电池模组,包括至少两个电池单元8和上述所述的电池容置装置12;
所述电池单元8设置在所述壳体6的所述容腔602内。
如图7所示,所述电池单元8包括电池主体801和导热结构802,所述导热结构802位于所述电池主体801的靠近所述基板2的一侧;
所述电池主体801上设有极耳803和至少两个防火隔热垫804;
所述极耳803设置在所述电池主体801端部;
所述防火隔热垫804设置在所述电池主体801上与所述极耳803相邻的侧面;两个所述防火隔热垫804相对设置;
所述电池单元8置于所述容腔602内时,所述防火隔热垫804位于靠近所述隔板5的一侧,所述极耳803位于靠近所述第一侧板4的一侧。
本申请还公开了一种电池包,具体的,由图4可以看出,所述的电池包包括至少两个电池单元8和上述所述的电池装配组件;
所述电池单元8设置在所述壳体6的所述容腔602内;
所述壳体6设置在所述托盘9的容置槽901内,所述壳体6通过所述第一侧板4、所述第二侧板11、所述壳体6的第一端板3和第二端板10与所述容置槽901的侧边框固定连接。
如图4和图5所示,所述托盘9上还设第三连接部906,所述第三连接部906用于与车身连接。
具体的,所述托盘9的底板902上集成有液冷系统,用于对所述电池模组进行散热;本申请的这种设计使得电池容置装置12的重量主要在承重框架903上,底板902主要起到结构密封的作用不起承重的作用,因此,当电池单元有冷却需求时,可以在底板902集成液冷系统,以用于给电池模组冷却散热。
本申请公开的电池包,在装配时,可以减小电池包的Z向高度,增加电池包X向的强度。
以上所揭露的仅为本申请一种较佳实施例而已,当然不能以此来限定本申请之权利范围,因此依本申请权利要求所作的等同变化,仍属本申请所涵盖的范围。

Claims (15)

  1. 一种电池容置装置,其特征在于:包括壳体(6)、第一侧板(4)、第二侧板(11)和至少一个隔板(5);
    所述壳体(6)上设有第一开口和第二开口,所述壳体(6)内设有连通所述第一开口和所述第二开口的通道(601);
    所述第一侧板(4)与所述壳体(6)连接,用于密封所述第一开口,所述第二侧板(11)与所述壳体(6)连接,用于密封所述第二开口;
    所述隔板(5)设置在所述通道(601)内,用于将所述通道(601)分割成至少两个容腔(602),所述容腔(602)用于容置电池单元(8);
    所述壳体(6)包括相对设置的盖板(1)和基板(2),所述盖板(1)和所述基板(2)位于所述通道(601)内的一侧面上均设置有滑道(7);
    所述盖板(1)和所述基板(2)上的滑道(7)相对设置,所述隔板(5)通过所述滑道(7)分别与所述盖板(1)和所述基板(2)连接;
    所述盖板(1)和所述基板(2)靠近所述通道(601)内的一侧均喷涂有防火绝缘层。
  2. 根据权利要求1所述的电池容置装置,其特征在于:所述壳体(6)还包括第一端板(3)和第二端板(10);
    所述盖板(1)、所述第一端板(3)、所述基板(2)和所述第二端板(10)依次连接形成所述壳体(6);
    所述盖板(1)和所述基板(2)平行设置,所述第一端板(3)和所述第二端板相对设置。
  3. 据权利要求2所述的电池容置装置,其特征在于:所述第一端板(3)和所述第二端板(10)上设有至少两个第一固定件(301);
    所述第一端板(3)上的第一固定件(301)设置在所述第一端板(3)远离所述通道(601)内壁的外侧面上;
    所述第一固定件(301)一端与所述第一端板(3)固定连接,另一端为自由端;
    所述第二端板(10)上的第一固定件(301)设置在所述第二端板(10)远离所述通道(601)内壁的外侧面上;
    所述第一固定件(301)一端与所述第二端板(10)固定连接,另一端为自由端。
  4. 根据权利要求1所述的电池容置装置,其特征在于:所述盖板(1)上的所述滑道(7)向远离所述基板(2)的方向形成有凸筋(701);
    所述基板(2)上的所述滑道(7)向远离所述盖板(1)的方向形成有凸筋(701)。
  5. 据权利要求1所述的电池容置装置,其特征在于:所述第一侧板(4)和所述第二侧板(11)远离所述通道(601)开口的一侧面设置有第二固定件(401);
    所述第一侧板(4)上的所述第二固定件(401)一端与所述第一侧板(4)固定连接,另一端为自由端;
    所述第二侧板(11)上的第二固定件(401)一端与所述第二侧板(11)固定连接,另一端为自由端。
  6. 一种电池装配组件,其特征在于:包括托盘(9)和权利要求1-5任一项所述的电池容置装置;
    所述托盘(9)上形成有至少一个容置槽(901),所述壳体(6)设置在所述容置槽(901)内;
    所述壳体(6)通过所述第一侧板(4)、所述第二侧板(11)、所述壳体(6)的第一端板(3)和第二端板(10)与所述容置槽(901)的侧边框固定连接。
  7. 根据权利要求6所述的电池装配组件,其特征在于:所述托盘(9)包括底板(902)和承重框架(903),所述底板(902)和所述承重框架(903)固定连接;
    以所述底板(902)为所述容置槽(901)的槽底,以所述承重框架(903)为所述容置槽(901)的侧边框形成所述容置槽(901);
    所述壳体(6)通过所述第一侧板(4)、所述第二侧板(11)、所述壳体(6)的第一端板(3)和第二端板(10)与所述承重框架(903)固定连接。
  8. 根据权利要求7所述的电池装配组件,其特征在于:所述承重框架(903)上设有第一连接部(904)和第二连接部(905);
    所述第一端板(3)和所述第二端板(10)均与所述第一连接部(904)连接,所述第一侧板(4)和所述第二侧板(11)均与所述第二连接部(905)连接。
  9. 根据权利要求8所述的电池装配组件,其特征在于:
    所述第一端板(3)通过所述第一端板(3)上第一固定件(301)的自由端与所述第一连接部(904)固定连接;
    所述第二端板(10)通过所述第二端板(10)上第一固定件(301)的自由端与所述第一连接部(904)固定连接;
    所述第一侧板(4)通过所述第一侧板(4)上第二固定件(401)的自由端与所述第二连接部(905)固定连接;
    所述第二侧板(11)通过所述第二侧板(11)上第二固定件(401)的自由端与所述第二连接部(905)固定连接。
  10. 根据权利要求6所述的电池装配组件,其特征在于:所述托盘(9)的端部上还设有凹槽(907),所述凹槽(907)用于容置电气单元(13)。
  11. 一种电池模组,其特征在于:包括至少两个电池单元(8)和权利要求1-5任意一项所述的电池容置装置(12);
    所述电池单元(8)设置在所述壳体(6)的所述容腔(602)内。
  12. 根据权利要求11所述的电池模组,其特征在于:所述电池单元(8)包括电池主体(801)和导热结构(802),所述导热结构(802)位于所述电池主体(801)的靠近所述基板(2)的一侧;
    所述电池主体(801)上设有极耳(803)和至少两个防火隔热垫(804);
    所述极耳(803)设置在所述电池主体(801)端部;
    所述防火隔热垫(804)设置在所述电池主体(801)上与所述极耳(803)相邻的侧面;两个所述防火隔热垫(804)相对设置;
    所述电池单元(8)置于所述容腔(602)内时,所述防火隔热垫(804)位于靠近所述隔板(5)的一侧,所述极耳(803)位于靠近所述第一侧板(4)的一侧。
  13. 一种电池包,其特征在于:包括至少两个电池单元(8)和权利要求6-10任意一项所述的电池装配组件;
    所述电池单元(8)设置在所述壳体(6)的所述容腔(602)内;
    所述壳体(6)设置在所述托盘(9)的容置槽(901)内,所述壳体(6)通过所述第一侧板(4)、所述第二侧板(11)、所述壳体(6)的第一端板(3)和第二端板(10)与所述容置槽(901)的侧边框固定连接。
  14. 根据权利要求13所述的电池包,其特征在于:所述托盘(9)上还设第三连接部(906),所述第三连接部(906)用于与车身连接。
  15. 根据权利要求13所述的电池包,其特征在于:所述托盘(9)的底板(902)上集成有液冷系统,用于对所述电池模组进行散热。
PCT/CN2020/105170 2020-07-28 2020-07-28 一种电池容置装置、电池装配组件、电池模组及电池包 WO2022021064A1 (zh)

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