WO2022178673A1 - 一种吸尘设备及电池包 - Google Patents

一种吸尘设备及电池包 Download PDF

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Publication number
WO2022178673A1
WO2022178673A1 PCT/CN2021/077498 CN2021077498W WO2022178673A1 WO 2022178673 A1 WO2022178673 A1 WO 2022178673A1 CN 2021077498 W CN2021077498 W CN 2021077498W WO 2022178673 A1 WO2022178673 A1 WO 2022178673A1
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WIPO (PCT)
Prior art keywords
battery
sub
modules
battery pack
cell
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PCT/CN2021/077498
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English (en)
French (fr)
Inventor
凌先进
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东莞新能安科技有限公司
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Publication date
Application filed by 东莞新能安科技有限公司 filed Critical 东莞新能安科技有限公司
Priority to PCT/CN2021/077498 priority Critical patent/WO2022178673A1/zh
Priority to CN202180094426.6A priority patent/CN117119934A/zh
Publication of WO2022178673A1 publication Critical patent/WO2022178673A1/zh

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • 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
    • 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 charging equipment, and in particular, to a dust collector and a battery pack.
  • the battery pack in the vacuum cleaner is composed of a plurality of cylindrical battery cells connected in series, and there is a gap between the two cylindrical battery cells, and these batteries
  • the battery pack made of the core has low volume utilization rate and low energy density per unit volume, which is inconvenient to use.
  • the present application provides an easy-to-use dust collector and a battery pack.
  • a dust collection device includes a battery pack and a dust collection system, the battery pack is used for powering the dust collection system, the battery pack includes a casing and a battery core module, and the casing is provided with a receiving space; the battery core The module is accommodated in the accommodating space, the battery core module includes at least two sub-modules, and the at least two sub-modules are arranged side by side, wherein any of the sub-modules includes at least two stacked battery cells .
  • the arrangement of the at least two sub-modules side by side means that the at least two sub-modules are arranged along the width direction of any one of the battery cells; wherein, the overlapping direction of the at least two battery cells is the In the thickness direction of the cell, the width of the cell is smaller than the length of the cell and greater than the thickness of the cell.
  • the cross-sectional shape of the cell includes a rectangle, a waisted hexagon or an octagon.
  • the battery cell is a soft-packed lithium-ion battery cell.
  • the thickness of the battery pack is greater than or equal to 25 mm and less than or equal to 50 mm, and the thickness direction of the battery pack is along a direction in which at least two of the battery cells are stacked.
  • the cell satisfies at least one of the following conditions: (a) the length of the cell is greater than or equal to 90mm and less than or equal to 170mm; (b) the width of the cell is greater than or equal to 30mm, and less than or equal to 50mm; (c) the thickness range of the cell is greater than or equal to 3mm and less than or equal to 8mm.
  • each of the sub-modules includes four of the battery cells, and the tabs of the four battery cells are located on the same side.
  • the sub-module further includes a buffer member, the buffer member is disposed between two adjacent battery cells, and two opposite surfaces of the buffer member are respectively in contact with the two adjacent battery cells.
  • the battery pack further includes a bonding member, the bonding member is disposed between the two rows of the sub-modules, and the bonding member is used for bonding two adjacent rows of the sub-modules.
  • the battery pack further includes a bracket, the bracket is accommodated in the housing, the bracket is provided with a accommodating cavity, and the battery module is accommodated in the accommodating cavity.
  • the battery pack further includes a circuit board, the circuit board is provided with positioning holes, the outer surface of the bracket is provided with a support column, the circuit board is mounted on the outer surface of the bracket, and the positioning The hole is sleeved on the support column.
  • the battery pack further includes a sampling circuit board, the sampling circuit board is connected to the cell module, wherein the sampling circuit board is located on the side where the tabs of the cell module are located, And the circuit board is accommodated in the accommodating cavity.
  • a battery pack applied to dust-absorbing equipment, includes a casing and a battery core module, the casing is provided with an accommodation space; the battery core module is accommodated in the accommodation space, and the battery core module includes at least two sub-modules , the at least two sub-modules are arranged side by side, wherein any one of the sub-modules includes at least two stacked cells, the cells are flat, and the shape of the cross-section of the cells includes a rectangle , waist, hexagon or octagon.
  • the arrangement of the at least two sub-modules side by side means that the at least two sub-modules are arranged along the width direction of any one of the battery cells; wherein, the overlapping direction of the at least two battery cells is the In the thickness direction of the cell, the width of the cell is smaller than the length of the cell and greater than the thickness of the cell.
  • the battery cell is a soft-packed lithium-ion battery cell.
  • the cell satisfies at least one of the following conditions: (a) the length of the cell is greater than or equal to 90mm and less than or equal to 170mm; (b) the width of the cell is greater than or equal to 30mm, and less than or equal to 50mm; (c) the thickness range of the cell is greater than or equal to 3mm and less than or equal to 8mm.
  • the battery pack further includes a buffer member, the buffer member is disposed between two adjacent battery cells, and two opposite surfaces of the buffer member are respectively in contact with the two adjacent battery cells; each The sub-modules in the column include four battery cells, and the tabs of the four battery cells are all located on the same side.
  • the battery pack further includes a bonding member, the bonding member is disposed between the two rows of the sub-modules, and the bonding member is used for bonding two adjacent rows of the sub-modules.
  • the battery pack further includes a bracket, the bracket is accommodated in the accommodating space, the bracket is provided with a accommodating cavity, and the battery core module is accommodated in the accommodating cavity.
  • the dust collection equipment provided by the embodiments of the present application includes a battery pack and a dust collection system, and the battery pack is used to supply power to the dust collection system.
  • the battery pack includes a casing and an electric core module, the casing is provided with an accommodation space, and the electric core module is accommodated in the accommodation space, wherein the electric core module includes at least two rows of sub-modules arranged side by side, and each row of sub-modules is At least two stacked cells are included.
  • FIG. 1 is a structural exploded view of a battery pack according to one embodiment of the present application
  • FIG. 2 is a cross-sectional view of a battery pack according to one embodiment of the present application.
  • FIG. 3 is a schematic structural diagram of the battery module in FIG. 1;
  • Fig. 4 is a structural representation of one of the submodules in Fig. 3;
  • FIG. 5 is an assembly diagram of the cell module, the circuit board and the bracket in FIG. 1 .
  • a cleaning device (not shown in the figure) provided by one of the embodiments of the present application includes a cleaning system and a battery pack 100, where the battery pack 100 is used for powering the cleaning system.
  • the structure of the battery pack 100 is described as follows:
  • the battery pack 100 includes a casing 10 and a cell module 20 .
  • the housing 10 is provided with a receiving space (not shown), and the battery module 20 is received in the receiving space.
  • the cell module 20 includes at least two sub-modules 21 arranged side by side, each sub-module includes at least two stacked cells 211 , and the at least two cells 211 in each row are aligned and mutually superimposed.
  • the casing 10 includes an upper casing 11 and a lower casing 12 , and the upper casing 11 and the lower casing 12 are covered with each other to form the receiving space.
  • the alignment of at least two cells 211 in each row may be that two side surfaces of each cell 211 are aligned with each other, and in this case, the specifications of each cell of the at least two cells 211 are similar; or The four sides of each battery cell 211 are aligned with each other, and in this case, the specifications of each of the at least two battery cells 211 are the same.
  • the shape of the cross section of at least two of the battery cells 211 may be a rectangle, a waist shape, a hexagon or an octagon, and of course other shapes may also be used.
  • At least two of the cells 211 may be square cells, soft-wrapped cells, and of course other flat cells.
  • the arrangement of the at least two sub-modules 21 side by side means that the at least two sub-modules 21 are arranged along the width direction of any one of the battery cells 211 ; wherein, the overlapping direction of the at least two battery cells 211 is In the thickness direction of the battery core 211 , the width of the battery core 211 is smaller than the length of the battery core and greater than the thickness of the battery core 211 .
  • each sub-module 21 includes four of the battery cells 211 , and the tabs of the four battery cells 211 are located on the same side.
  • the number of the battery cells 211 in each sub-module 21 may be two, three or even more in addition to four.
  • the pole ears are connected in series with each other.
  • the cell module 20 has two sub-modules 21, which are a first sub-module and a second sub-module, and the poles of each of the cells 211 in the two sub-modules are The ears are located on the same side to facilitate electrical connection between the two columns of cells 211 .
  • the battery cell 211 is a soft-packed lithium-ion battery cell.
  • the battery cell 211 satisfies at least one of the following conditions:
  • the length of the cell is greater than or equal to 90mm and less than or equal to 170mm, and the length of the cell is in the X direction as shown in the figure;
  • the width of the cell is greater than or equal to 30mm and less than or equal to 50mm, and the width direction of the cell is the Y direction shown in the figure;
  • the thickness range of the battery cell is greater than or equal to 3 mm and less than or equal to 8 mm, and the thickness direction of the battery core at this time is the Z direction as shown in the figure.
  • the sub-module further includes a buffer member 212 , the buffer member 212 is disposed between two adjacent battery cells 211 , and the buffer member 212 is The two opposite surfaces are respectively abutted against two adjacent battery cells 211 .
  • the number of the buffer members 212 is multiple, and in each of the sub-modules, the buffer members 212 may be arranged in a manner such that one buffer member 212 is arranged between every two adjacent cells 211 .
  • the buffer member 212 may also be provided with one buffer member 212 separated from a plurality of cells 211 .
  • each cell 211 has a deep pit portion 2111 and a shallow pit portion 2112. As shown in FIG. 4 , the tab of the cell 211 is located between the deep pit portion 2111 and the shallow pit portion 2112. between.
  • the deep pit portion 2111 of one cell and the deep pit portion 2111 of the other cell are arranged close to each other. At this time, the end faces of the two cells 211 that are adjacent to the deep pit portion 2111 are attached to each other, so that the structure is as follows.
  • the two disposed cells 211 form a cell group, and the buffer member 212 is disposed between the two cell groups.
  • the battery cell 21 when the battery cell 21 is in use, there will be heat expansion. At this time, the battery cell 211 can squeeze the buffer member 212 to obtain part of the expansion space.
  • the filling of the buffer member 22 will have a certain gap, and the gap is also conducive to the heat dissipation of the two sub-modules.
  • the cell module 20 further includes a bonding member 22 disposed between the two sub-modules 21 , and the bonding member 22 is used for bonding the phase two adjacent submodules 21 .
  • the bonding member 22 is a bonding foam, and both end surfaces of the bonding foam are adhesive, and are used to bond one side of each row of sub-modules 21, so that two rows of sub-modules 21 can be bonded together. They are tightly bonded to improve the structural stability of the battery module 20 .
  • the bonding member 22 may be other structures besides bonding foam, such as adhesive.
  • the cell module 20 further includes a sampling circuit board 23 , the sampling circuit board 23 is connected to the two sub-modules 21 , and the sampling circuit board 23 is located at the pole of the sub-modules 21 . the side where the ear is. It is understandable that the sampling circuit board 23 has a sampling circuit and a connection circuit for collecting the information of each cell in each column of sub-modules 21 .
  • the positive ear of the battery cell at the top in the first sub-module is used as the positive ear of the battery module 20.
  • the negative ear of the cell at the top of the first column of sub-modules is connected in series with the positive ear of the next cell, and so on, the negative ear of the cell at the bottom is used to connect with the sampling circuit board 23;
  • the negative terminal of the cell located at the top of the sub-module 21 is used as the negative terminal of the cell module 20, and the positive terminal of the top cell of the second sub-module is connected in series with the negative terminal of the next cell, and so on.
  • the positive terminal of the cell at the bottom is connected to the sampling circuit board 23 .
  • the battery pack 100 further includes a bracket 30 , and the bracket 30 is accommodated in the accommodation space.
  • the bracket 30 is provided with an accommodating cavity 31 , and the cell module 20 is accommodated in the accommodating cavity 31 .
  • the bracket 30 is in the shape of a square box as a whole, and includes a shroud (not shown) and a top plate (not shown), the shroud is connected to the top plate, wherein the shroud is provided with A communication port (not shown), the communication port is disposed near the sampling circuit board 23 , and at least one support column 32 is provided on the top plate, and the end surface of the support column 32 abuts the inner surface of the housing 10 .
  • the battery core module 20 further includes a double-sided adhesive tape (not shown), and the double-sided adhesive tape is disposed on one end surface of each of the sub-modules 21 abutting against the bracket 30 . In order to firmly stick each sub-module 21 to the bracket 30 .
  • the battery pack 100 further includes a circuit board 40 , the circuit board 40 is mounted on the bracket 30 , and the circuit board 40 is connected to the sampling circuit board 23 .
  • the connection line of the sampling circuit board 23 is connected to the circuit board 40 after passing through the communication port, so that the sampling circuit board 23 transmits the collected information to the circuit board 40 .
  • the positive terminal of the first sub-module is connected to the circuit board 40
  • the negative terminal of the second sub-module is connected to the circuit board 40 .
  • the circuit board 40 is provided with two positioning holes (not shown), the top plate is provided with two support columns 32 , and one of the positioning holes is correspondingly sleeved on one of the support columns 32 . , so that the circuit board 40 can be positioned and installed on the bracket 30 . Understandably, when the casing 10 is squeezed by the outside, the support column 32 can abut the inner surface of the casing 10 to play a supporting role and prevent the casing 10 from being subjected to an external force. The deformation directly acts on the circuit board 40 and destroys the components on the circuit board 40 .
  • the thickness range of the battery pack 100 along the stacking direction of at least two of the battery cells is greater than or equal to 25 mm and less than or equal to 50 mm.
  • the heat dissipation surface of each of the battery cells 211 inside the battery pack 100 has a better heat dissipation effect than the cylindrical battery cells, and can better maintain high power usage.
  • the battery pack 100 provided by the embodiment of the present application includes a casing 10 and a cell module 20.
  • the casing 10 is provided with an accommodation space, and the cell module 20 is accommodated in the accommodation space, wherein the cell module 20 includes at least two Sub-modules 21 are arranged side by side, and each sub-module includes at least two stacked battery cells 211 .
  • the cells of each sub-module 21 are closely stacked, and the battery pack thus produced has a high energy density per unit volume.
  • the plurality of sub-modules 21 are arranged side by side, which is compared with all the direct stacking. , the heat dissipation efficiency of the battery module 20 is improved, and it is more convenient to use.

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

Abstract

一种吸尘设备，包括电池包（100）和吸尘系统，电池包（100）用于为吸尘系统供电，电池包（100）包括壳体（10）以及电芯模组（20），壳体（10）设有收容空间，电芯模组（20）收容于收容空间内，其中，电芯模组（20）包括至少两个并排设置的子模组（21），每个子模组（21）均包括至少两个叠置的电芯（211）。每个子模组（21）的电芯（211）之间紧密叠置，由此制成的电池包（100）单位体积的能量密度高，使用起来更为方便。

Description

一种吸尘设备及电池包 技术领域
本申请涉及充电设备技术领域，特别涉及一种吸尘设备及电池包。
背景技术
随着人们生活水平的提高以及科技的不断进步，越来越多的电器工具走入人们的家庭，例如吸尘器、电钻、扫地机器人等。而厂家为了突破电源线的限制，通常采用内置电池包的方式为电器进行供电，以方便用户使用。
本申请的发明人在实施本申请的过程中，发现：目前，吸尘器内的电池包采用的是多个圆柱形电芯串联组成，而两个圆柱电芯之间存在着间距，由该些电芯制成的电池包体积利用率低，单位体积的能量密度亦低，使用起来较为不便。
申请内容
本申请提供了一种使用方便的吸尘设备及电池包。
本申请实施例解决其技术问题采用以下技术方案：
一种吸尘设备，包括电池包和吸尘系统，所述电池包用于为所述吸尘系统供电，所述电池包包括壳体以及电芯模组，壳体设有收容空间；电芯模组收容于所述收容空间，所述电芯模组包括至少两个子模组，所述至少两个子模组并排设置，其中，任一所述子模组包括至少两个叠置的电芯。
可选地，所述至少两个子模组并排设置，是指至少两个所述子模组沿任一所述电芯的宽度方向排列设置；其中，至少两个电芯叠置的方向为所述电芯的厚度方向，所述电芯的宽度小于所述电芯的长度，且大于所述电芯的厚度。
可选地，所述电芯的横截面形状包括矩形、腰形六边形或八边形。
可选地，所述电芯为软包锂离子电芯。
可选地，所述电池包的厚度大于或等于25mm且小于或等于50mm，所述电池包的厚度方向为沿至少两个所述电芯叠置的方向。
可选地，所述电芯满足以下条件中至少一个：(a)电芯的长度范围为大于或等于90mm，并且小于或等于170mm；(b)电芯的宽度范围为大于或等于30mm，并且小于或等于50mm；(c)电芯的厚度范围为大于或等于3mm，并且小于或等于8mm。
可选地，每一所述子模组包括四个所述电芯，四个所述电芯的极耳均位于同一侧。
可选地，所述子模组还包括缓冲件，所述缓冲件设置于两相邻所述电芯之间，并且所述缓冲件的两相对表面分别与两相邻的电芯相抵接。
可选地，所述电池包还包括粘结件，所述粘结件设置于两列所述子模组之间，所述粘结件用于粘结相邻的两列子模组。
可选地，所述电池包还包括支架，所述支架收容于所述壳体内，所述支架设有容置腔，所述电芯模组收容于所述收容腔内。
可选地，所述电池包还包括电路板，所述电路板设有定位孔，所述支架的外表面设有支撑柱，所述电路板安装于所述支架的外表面，并且所述定位孔套设于所述支撑柱。
可选地，所述电池包还包括采样电路板，所述采样电路板与所述电芯模组连接，其中，所述采样电路板位于所述电芯模组的极耳所在的一侧，并且所述电路板收容于所述容置腔。
本申请实施例解决其技术问题还采用以下技术方案：
一种电池包，应用于吸尘设备，包括壳体以及电芯模组，壳体设有收容空间；电芯模组收容于所述收容空间，所述电芯模组包括至少两个子模组，所述至少两个子模组并排设置，其中，任一所述子模组均包括至少两个叠置的电芯，所述电芯呈扁平状，所述电芯的横截面的形状包括矩形、腰形、六边形或八边形。
可选地，所述至少两个子模组并排设置，是指至少两个所述子模组沿任一所述电芯的宽度方向排列设置；其中，至少两个电芯叠置的方向为所述电芯的厚度方向，所述电芯的宽度小于所述电芯的长度，且大于所述电芯的厚度。
可选地，所述电芯为软包锂离子电芯。
可选地，所述电芯满足以下条件中至少一个：(a)电芯的长度范围为大于或等于90mm，并且小于或等于170mm；(b)电芯的宽度范围为大于或等于30mm，并且小于或等于50mm；(c)电芯的厚度范围为大于或等于3mm，并且小于或等于8mm。
可选地，所述电池包还包括缓冲件，所述缓冲件设置于两相邻所述电芯之间，并且所述缓冲件的两相对表面分别与两相邻的电芯相抵接；每列所述子模组包括四个所述电芯，四个所述电芯的极耳均位于同一侧。
可选地，所述电池包还包括粘结件，所述粘结件设置于两列所述子模组之间，所述粘结件用于粘结相邻的两列子模组。
可选地，所述电池包还包括支架，所述支架收容于所述收容空间内，所述支架设有容置腔，所述电芯模组收容于所述收容腔内。
本申请实施例的有益效果是：本申请实施例提供的吸尘设备，包括电池包和吸尘系统，电池包用于为吸尘系统供电。电池包包括壳体以及电芯模组，壳体设有收容空间，电芯模组收容于收容空间内，其中，电芯模组包括至少两列并排设置的子模组，每列子模组均包括至少两个叠置的电芯。通过上述结构，每列子模组的电芯之间紧密叠置，由此制成的电池包单位体积的能量密度高，使用起来更为方便。
附图说明
为了更清楚地说明本申请实施例的技术方案，下面将对本申请实施例中所需要使用的附图作简单地介绍，显而易见地，下面所描述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，还可以根据附图获得其他的附图。
图1是本申请其中一个实施例的电池包的结构分解图；
图2是本申请其中一个实施例的电池包的剖视图；
图3是图1中的电芯模组的结构示意图；
图4是图3中其中一个子模组的结构示意图；
图5是图1中电芯模组、电路板以及支架的组装图。
具体实施方式
下面结合附图和实施例对本申请的实施方式作进一步详细描述。以下实施例的详细描述和附图用于示例性地说明本申请的原理，但不能用来限制本申请的范围，即本申请不限于所描述的实施例。
在本申请的描述中，需要说明的是，除非另有说明，“多个”的含 义是两个以上；术语“上”、“下”、“左”、“右”、“内”、“外”等指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。此外，术语“第一”、“第二”、“第三”等仅用于描述目的，而不能理解为指示或暗示相对重要性。“垂直”并不是严格意义上的垂直，而是在误差允许范围之内。“平行”并不是严格意义上的平行，而是在误差允许范围之内。
下述描述中出现的方位词均为图中示出的方向，并不是对本申请的具体结构进行限定。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“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；可以是直接相连，也可以通过中间媒介间接相连。对于本领域的普通技术人员而言，可视具体情况理解上述术语在本申请中的具体含义。
本申请其中一个实施例提供的吸尘设备(图未示)，包括吸尘系统以及电池包100，所述电池包100用于为所述吸尘系统进行供电。其中，所述电池包100的结构见以下描述：
如图1-2所示，所述电池包100，包括壳体10以及电芯模组20。所述壳体10设有收容空间(未标示)，所述电芯模组20收容于所述收容空间内。其中，所述电芯模组20包括至少两个并排设置的子模组21，每个子模组均包括至少两个叠置的电芯211，并且每列的至少两个电芯211对齐且相互叠置。壳体10包括上壳体11以及下壳体12，所述上壳体11与所述下壳体12相互盖合，以形成所述收容空间。
应当理解，每列的至少两个电芯211对齐，可以是每个电芯211的其中两个侧面相互对齐，此时至少两个电芯211的每个电芯的规格相相近；也可以是每个电芯211的四个侧面相互对齐，此时至少两个电芯211的每个电芯的规格相同。其中，至少两个所述电芯211的横截面的形状， 可以是矩形、腰形、六边形或八边形，当然也可以是别的形状。至少两个所述电芯211可以是方形电芯，也可以是软包电芯，当然也可以是其它扁平状的电芯。
所述至少两个子模组21并排设置，是指至少两个所述子模组21沿任一所述电芯211的宽度方向排列设置；其中，至少两个电芯211叠置的方向为所述电芯211的厚度方向，所述电芯211的宽度小于所述电芯的长度，且大于所述电芯211的厚度。
在一些实施例中，每个子模组21包括四个所述电芯211，四个所述电芯211的极耳均位于同一侧。当然，每个子模组21的所述电芯211的数量除了可以是四个之外，也可以是两个、三个甚至更多，每个所述子模组21的每个电芯211的极耳之间相互串联。在本实施例中，所述电芯模组20具有两个子模组21，分别为第一子模组以及第二子模组，并且此两个子模组中每个所述电芯211的极耳均位于同一侧，以便于两列电芯211之间电性连接。其中，所述电芯211为软包锂离子电芯。
请结合图3中所示的坐标系，在本实施例中，所述电芯211满足以下条件中至少一个：
(a)电芯的长度范围为大于或等于90mm，并且小于或等于170mm，此时所述电芯长度方向如图中示出的X方向；
(b)电芯的宽度范围为大于或等于30mm，并且小于或等于50mm，此时所述电芯的宽度方向如图中示出的Y方向；
(c)电芯的厚度范围为大于或等于3mm，并且小于或等于8mm，此时所述电芯的厚度方向如图中示出的Z方向。
请结合图2与图3，在一些实施例中，所述子模组还包括缓冲件 212，所述缓冲件212设置于两相邻所述电芯211之间，并且所述缓冲件212的两相对表面分别与两相邻的电芯211相抵接。可理解的，所述缓冲件212的数量为多个，在每个所述子模组中，所述缓冲件212的设置方式，可以是在每两个相邻电芯211之间设置一所述缓冲件212，也可以是间隔多个电芯211设置一个所述缓冲件212。应当理解的是，所述缓冲件212可以是泡棉，也可以是其它的结构，只要能实现减缓多个电芯211之间的碰撞即可。在本实施例中，每个电芯211的一端面具有深坑部2111以及浅坑部2112，如图4所示，电芯211的极耳位于所述深坑部2111以及浅坑部2112之间。一所述电芯的深坑部2111与另一电芯的深坑部2111彼此紧挨设置，此时两个电芯211中与深坑部2111相邻最近的端面相互贴合，以如此结构设置的两个电芯211组成一电芯组，所述缓冲件212设置于两个电芯组之间。可理解的，当所述电芯21在使用过程中，会出现发热膨胀的情况，此时电芯211可以挤压所述缓冲件212，从而获得部分膨胀空间，同时两电芯组因所述缓冲件22的填充，将具有一定的间隙，该间隙亦有利于两子模组的散热。
在一些实施例中，所述电芯模组20还包括粘结件22，所述粘结件22设置于两个所述子模组21之间，所述粘结件22用于粘结相邻的两个子模组21。在本实施例中，所述粘结件22为粘结泡棉，粘结泡棉的两个端面均具有粘性，用于粘结每列子模组21的一侧面，以使两列子模组21紧密粘结起来，提高电芯模组20结构的稳定性。应当理解的是，所述粘结件22除了是粘结泡棉之外，还可以是其它的结构，例如黏贴胶。
在一些实施例中，所述电芯模组20还包括采样电路板23，所述采样电路板23与两个子模组21连接，并且所述采样电路板23位于所述子模组21的极耳所在的一侧。可理解的，所述采样电路板23上具有采样电路以及连接线路，用于采集每列子模组21中每个电芯的信息。
为了便于读者了解子模组21与采样电路板23的连接方式，下边将具体进行描述，具体为：第一子模组中位于顶部的电芯的正极耳作为电芯模组20的正极耳端，第一列子模组的顶部的电芯的负极耳串联连接下一电芯的正极耳，如此反复，位于底部的电芯的负极耳则用于与采样电路板23连接；同样的，第二个子模组21中位于顶部的电芯的负极耳作为电芯模组20的负极耳端，第二个子模组的顶部的电芯的正极耳串联连接下一电芯的负极耳，如此反复，位于底部的电芯的正极耳则与采样电路板23连接。
请结合图1与图5所示，在一些实施例中，所述电池包100还包括支架30，所述支架30收容于所述收容空间内。所述支架30设有容置腔31，所述电芯模组20收容于所述容置腔31内。在本实施例中，所述支架30整体呈方盒状，其包括围板(未标示)以及顶板(未标示)，所述围板与所述顶板连接，其中，所述围板上开设有连通口(未标示)，所述连通口靠近所述采样电路板23设置，所述顶板上设有至少一个支撑柱32，所述支撑柱32的端面抵接所述壳体10的内表面。
在一些实施例中，所述电芯模组20还包括双面胶(未标示)，所述双面胶设置于每个所述子模组21与所述支架30抵接的一端面，用以将每个子模组21紧固地粘贴于所述支架30。
进一步地，所述电池包100还包括电路板40，所述电路板40安装于所述支架30，并且所述电路板40与所述采样电路板23连接。其中，所述采样电路板23的连接线路穿过所述连通口后连接于所述电路板40，以使所述采样电路板23将采集的信息传输给所述电路板40。同时，第一子模组的正极耳端与电路板40连接，第二子模组的负极耳端与电路板40连接。
在本实施例中，所述电路板40上设置有两个定位孔(未标示)，所述顶板上设有两个支撑柱32，一所述定位孔对应套设于一所述支撑柱32，从而实现所述电路板40定位安装于所述支架30。可理解的，当所述壳体10受外界挤压作用时，所述支撑柱32可以抵接所述壳体10的内表面，以起到支撑作用，防止所述壳体10受外力作用后变形而直接作用于所述电路板40，破坏电路板40上的元器件。在本实施例中，所述电池包100沿至少两个所述电芯叠置的方向的厚度范围为大于或等于25mm并且小于或等于50mm。
可理解的，本申请实施例提供的电池包100，其内部的电芯211每个的散热表面相较于圆柱形电芯，其散热效果较好，可以更好地维持大功率使用。
本申请实施例提供的电池包100，包括壳体10以及电芯模组20，壳体10设有收容空间，电芯模组20收容于收容空间内，其中，电芯模组20包括至少两个并排设置的子模组21，每个子模组均包括至少两个叠置的电芯211。通过上述结构，每个子模组21的电芯之间紧密叠置，由此制成的电池包单位体积的能量密度高，同时多个子模组21采用并排设置的方式，相较于全部直接堆叠，提高了电芯模组20的散热效率，使用起来更为方便。
虽然已经参考优选实施例对本申请进行了描述，但在不脱离本申请的范围的情况下，可以对其进行各种改进并且可以用等效物替换其中的部件。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 (19)

  1. 一种吸尘设备，包括电池包和吸尘系统，所述电池包用于为所述吸尘系统供电，其特征在于，所述电池包包括：
    壳体，设有收容空间；
    电芯模组，收容于所述收容空间，所述电芯模组包括至少两个子模组，所述至少两个子模组并排设置，其中，任一所述子模组包括至少两个叠置的电芯。
  2. 根据权利要求1所述的吸尘设备，其特征在于，
    所述至少两个子模组并排设置，是指至少两个所述子模组沿任一所述电芯的宽度方向排列设置；其中，至少两个电芯叠置的方向为所述电芯的厚度方向，所述电芯的宽度小于所述电芯的长度，且大于所述电芯的厚度。
  3. 根据权利要求1或2所述的吸尘设备，其特征在于，所述电芯的横截面形状包括呈矩形、腰形、六边形或八边形。
  4. 根据权利要求3所述的吸尘设备，其特征在于，所述电芯为软包锂离子电芯。
  5. 根据权利要求3所述的吸尘设备，其特征在于，所述电池包的厚度大于或等于25mm且小于或等于50mm，所述电池包的厚度方向为沿至少两个所述电芯叠置的方向。
  6. 根据权利要求1所述的吸尘设备，其特征在于，所述电芯满足以下条件中至少一个：
    (a)电芯的长度范围为大于或等于90mm，并且小于或等于 170mm；
    (b)电芯的宽度范围为大于或等于30mm，并且小于或等于50mm；
    (c)电芯的厚度范围为大于或等于3mm，并且小于或等于8mm。
  7. 根据权利要求3所述的吸尘设备，其特征在于，每一所述子模组包括四个所述电芯，四个所述电芯的极耳均位于同一侧。
  8. 根据权利要求7所述的吸尘设备，其特征在于，所述子模组还包括缓冲件，所述缓冲件设置于两相邻所述电芯之间，并且所述缓冲件的两相对表面分别与两相邻的电芯相抵接。
  9. 根据权利要求1-8任意一项所述的吸尘设备，其特征在于，所述电池包还包括粘结件，所述粘结件设置于两列所述子模组之间，所述粘结件用于粘结相邻的两列子模组。
  10. 根据权利要求9所述的吸尘设备，其特征在于，所述电池包还包括支架，所述支架收容于所述壳体内，所述支架设有容置腔，所述电芯模组收容于所述收容腔内。
  11. 根据权利要求10所述的吸尘设备，其特征在于，所述电池包还包括电路板，所述电路板设有定位孔，所述支架的外表面设有支撑柱，所述电路板安装于所述支架的外表面，并且所述定位孔套设于所述支撑柱。
  12. 根据权利要求11所述的吸尘设备，其特征在于，所述电池包还包括采样电路板，所述采样电路板与所述电芯模组连接，其中，所述采样电路板位于所述电芯模组的极耳所在的一侧，并且所述电路板收容于所述容置腔。
  13. 一种电池包，应用于吸尘设备，其特征在于，包括：
    壳体，设有收容空间；
    电芯模组，收容于所述收容空间，所述电芯模组包括至少两个子模组，所述至少两个子模组并排设置，其中，任一所述子模组均包括至少两个叠置的电芯，所述电芯的横截面的形状包括矩形、腰形、六边形或八边形。
  14. 根据权利要求13所述的电池包，其特征在于，所述至少两个子模组并排设置，是指至少两个所述子模组沿任一所述电芯的宽度方向排列设置；其中，至少两个电芯叠置的方向为所述电芯的厚度方向，所述电芯的宽度小于所述电芯的长度，且大于所述电芯的厚度。
  15. 根据权利要求13所述的电池包，其特征在于，所述电芯为软包锂离子电芯。
  16. 根据权利要求13所述的电池包，其特征在于，所述电芯满足以下条件中至少一个：
    (a)电芯的长度范围为大于或等于90mm，并且小于或等于170mm；
    (b)电芯的宽度范围为大于或等于30mm，并且小于或等于50mm；
    (c)电芯的厚度范围为大于或等于3mm，并且小于或等于8mm。
  17. 根据权利要求13所述的电池包，其特征在于，还包括缓冲件，所述缓冲件设置于两相邻所述电芯之间，并且所述缓冲件的两相对表面分别与两相邻的电芯相抵接；每个所述子模组包括四个所述电芯，四个所述电芯的极耳均位于同一侧。
  18. 根据权利要求17所述的电池包，其特征在于，还包括粘结件，所述粘结件设置于两个所述子模组之间，所述粘结件用于粘结相邻的两个子模组。
  19. 根据权利要求18所述的电池包，其特征在于，还包括支架，所述支架收容于所述收容空间内，所述支架设有容置腔，所述电芯模组收容于所述收容腔内。
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CN210926187U (zh) * 2020-01-14 2020-07-03 珠海鹏辉能源有限公司 软包电芯模组结构及电池组件

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CN115954591A (zh) * 2022-11-30 2023-04-11 厦门海辰储能科技股份有限公司 电池单体、电池模组和用电装置
CN116417738A (zh) * 2023-06-12 2023-07-11 广汽埃安新能源汽车股份有限公司 一种电芯模组结构、动力电池及电动车辆
CN116417738B (zh) * 2023-06-12 2024-03-26 广汽埃安新能源汽车股份有限公司 一种电芯模组结构、动力电池及电动车辆

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