WO2024092999A1 - 汇流排、电池包及电子设备 - Google Patents

汇流排、电池包及电子设备 Download PDF

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Publication number
WO2024092999A1
WO2024092999A1 PCT/CN2022/143092 CN2022143092W WO2024092999A1 WO 2024092999 A1 WO2024092999 A1 WO 2024092999A1 CN 2022143092 W CN2022143092 W CN 2022143092W WO 2024092999 A1 WO2024092999 A1 WO 2024092999A1
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WO
WIPO (PCT)
Prior art keywords
busbar
copper
aluminum
sleeves
battery module
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PCT/CN2022/143092
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English (en)
French (fr)
Inventor
王磊
李艳艳
张国江
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湖北亿纬动力有限公司
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Application filed by 湖北亿纬动力有限公司 filed Critical 湖北亿纬动力有限公司
Publication of WO2024092999A1 publication Critical patent/WO2024092999A1/zh

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/503—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/505—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising a single busbar
    • 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 field of battery technology, and in particular to a bus, a battery pack and an electronic device.
  • the power battery packs currently used all include multiple battery modules.
  • a bus is usually used to electrically connect two adjacent battery modules or a battery module and the power output port of the battery pack.
  • the bus in the prior art mainly uses copper bars, and some buses also use the structure of wire harness welding terminals.
  • Copper busbars also known as busbars or copper busbars, are made of copper and play the role of transmitting current and connecting electrical equipment in the circuit. Power busbars can pass large currents and are often used in electrical engineering such as high and low voltage electrical appliances, switch contacts, power distribution equipment, and bus ducts. Copper busbars have the advantages of low resistivity and large bendability, but the number of copper busbars required in power battery packs is large. Since copper busbars are made of copper or copper alloy, their single unit weight is large and the manufacturing cost is high, which limits the development of lightweight new energy vehicles and also makes the manufacturing cost of new energy vehicles high.
  • the present application provides a busbar that can reduce the weight of the busbar, reduce raw material costs and production costs without affecting the conductive performance of the busbar.
  • the busbar includes an aluminum busbar and two copper sleeves, both ends of the aluminum busbar are provided with mounting holes; the two copper sleeves are fixed in the two mounting holes one by one, and the copper sleeves are electrically connected to the aluminum busbar; one of the two copper sleeves is used to electrically connect the battery module, and the other is used to electrically connect the external device.
  • a connection hole is formed on the copper sleeve, and the copper sleeve is connected to the battery module or the external device via bolts, and the bolts are inserted into the connection hole.
  • both end surfaces of the copper sleeve along the vertical direction are higher than the mounting hole.
  • the area of the upper end surface of the copper sleeve is not less than the area of the lower end surface of the head flange of the bolt.
  • the connecting hole of one of the two copper sleeves is a waist-shaped hole.
  • the copper sleeve is fixed in the mounting hole by friction welding.
  • the outer surface of the aluminum row is electroplated with a protective layer.
  • the outer surface of the aluminum row is coated with an insulating layer.
  • the aluminum bar is formed by bending an aluminum plate, and both ends of the aluminum bar are provided with round chamfers.
  • the present application provides a battery pack, which includes a plurality of battery modules and a bus as described in any of the above schemes, wherein the bus is arranged between two adjacent battery modules or between the battery module and the output end of the battery pack.
  • the present application provides an electronic device, which includes a battery pack as described in the above solution.
  • the busbar in the present application is made by fixing two copper sleeves in two mounting holes of the aluminum busbar respectively.
  • the copper sleeves can be electrically connected to the aluminum busbar, and one of the copper sleeves is used to be electrically connected to the battery module, and the other copper sleeve is used to be electrically connected to an external device.
  • the excellent conductivity of the copper sleeves is used to lead out the current of the battery module.
  • the main body of the busbar is an aluminum busbar, which not only has excellent conductivity and easy processing, but also has low density and low material cost. Replacing the copper busbar in the original busbar with an aluminum busbar can greatly reduce the weight and manufacturing cost of the busbar without affecting the conductive performance of the busbar.
  • FIG1 is a schematic diagram of a bus provided in a specific embodiment of the present application.
  • FIG. 2 is a schematic diagram of a bus bar installed on a battery module according to a specific embodiment of the present application.
  • busbar 100, busbar; 110, aluminum busbar; 111, mounting hole; 112, insulation layer; 120, copper sleeve; 121, connection hole; 210, bolt; 211, head flange; 220, end plate; 230, CCS assembly.
  • connection should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements.
  • connection can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements.
  • a first feature being “above” or “below” a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them.
  • a first feature being “above”, “above” and “above” a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature.
  • a first feature being “below”, “below” and “below” a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.
  • the terms “upper”, “lower”, “right”, etc. are based on the directions or positions shown in the drawings, and are only for the convenience of description and simplification of operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present application.
  • the terms “first” and “second” are only used to distinguish in the description and have no special meaning.
  • the busbar 100 includes an aluminum bar 110 and two copper sleeves 120. Both ends of the aluminum bar 110 are provided with mounting holes 111. The two copper sleeves 120 are fixed in the two mounting holes 111 one by one, and the copper sleeves 120 are electrically connected to the aluminum bar 110. One of the two copper sleeves 120 is used to electrically connect the battery module, and the other is used to electrically connect an external device.
  • the external device mentioned here includes another battery module, the output end of the battery pack including the battery module, or other electronic devices.
  • Those skilled in the art can use the busbar 100 to electrically connect the battery module with other external devices according to specific needs, and no specific restrictions are made here.
  • the busbar 100 in this embodiment is manufactured by fixing two copper sleeves 120 in two mounting holes 111 of the aluminum busbar 110 respectively.
  • the copper sleeves 120 can be electrically connected to the aluminum busbar 110, and one of the copper sleeves 120 is used to be electrically connected to the battery module, and the other copper sleeve 120 is used to be electrically connected to an external device.
  • the excellent conductivity of the copper sleeves 120 is used to lead out the current of the battery module.
  • the main body of the busbar 100 is the aluminum busbar 110.
  • the aluminum busbar 110 not only has excellent conductivity and easy processing, but also has low density and low material cost. Replacing the copper busbar in the original busbar 100 with the aluminum busbar 110 can greatly reduce the weight and manufacturing cost of the busbar 100 without affecting the conductive performance of the busbar 100.
  • a connection hole 121 is provided on the copper sleeve 120.
  • the copper sleeve 120 is connected to the battery module or the external device via a bolt 210.
  • the bolt 210 is inserted into the connection hole 121.
  • the busbar 100 connected by the bolt 210 is easy to install and disassemble, and has higher reliability and stability of connection, thereby ensuring that the busbar 100 does not fall off the battery module.
  • connection hole 121 of one of the two copper sleeves 120 is a waist-shaped hole.
  • the connection hole 121 of the copper sleeve 120 connected to the external device is a waist-shaped hole, which is also called an oblong hole, with semicircular arcs at both ends and a parallel plane in the middle.
  • the design of the waist-shaped hole reduces the difficulty of positioning when processing the connection holes 121 of the two copper sleeves 120 and when positioning and installing the copper sleeves, and facilitates the adjustment of the position between parts, and it is only necessary to make the width of the middle plane of the waist-shaped hole smaller than the diameter of the head flange 211 of the bolt 210.
  • both end surfaces of the copper sleeve 120 in the vertical direction are higher than the mounting hole 111.
  • the upper end surface of the copper sleeve 120 is higher than the mounting hole 111, and the lower end surface of the copper sleeve 120 also extends out of the mounting hole 111, so that the copper sleeve 120 can fully contact the head flange 211 of the bolt 210 and the battery module or external device, ensuring that the electrical connection between the copper sleeve 120 and the battery module or external device is not affected, and the current and voltage are more stable.
  • the area of the upper end surface of the copper sleeve 120 is not less than the area of the lower end surface of the head flange 211 of the bolt 210.
  • the copper sleeve 120 configured in this way can ensure that when the bolt 210 is tightened, the head flange 211 can fully contact the copper sleeve 120, and apply sufficient extrusion force to the copper sleeve 120 to fix the copper sleeve 120 on the battery module or external equipment, so that its electrical connection is more stable, and the current and voltage are more stable
  • Friction welding refers to a method of connecting the friction surfaces by utilizing the friction heat generated by mutual friction between thermoplastics, and then pressurizing and cooling them to form a connection.
  • friction welding has the advantages of high quality and stability of the welded joint, high dimensional accuracy and geometric accuracy of the welded parts, reduced manufacturing costs, high welding efficiency, and more environmental protection.
  • the outer surface of the aluminum busbar 110 is electroplated with a protective layer.
  • the protective layer is formed by electroplating, which can protect the connection between the aluminum busbar 110 and the copper sleeve 120 after welding, prevent the connection from being corroded and damaged, and improve the service life and reliability of the busbar 100.
  • the outer surface of the aluminum bus 110 is coated with an insulating layer 112.
  • the insulating layer 112 is formed by a resin-impregnated insulation process. The insulating layer 112 can ensure that after the bus 100 is installed, it will not contact another bus 100 or other live equipment, prevent short circuits, and improve the safety of the bus 100.
  • the aluminum busbar 110 is formed by bending an aluminum sheet, and both ends of the aluminum busbar 110 are provided with round chamfers.
  • the aluminum busbar 110 in this embodiment is formed into a desired shape by a 3D bending process using an aluminum sheet with a length, width, and thickness of 1000 mm, 20 mm, and 3 mm, respectively, and no specific restrictions are made here.
  • the aluminum sheet is directly used for bending and forming, the four corners of the aluminum sheet are relatively sharp, so round chamfers are made at both ends of the aluminum busbar 110 to prevent the occurrence of tip discharge, further improving the safety of the busbar 100.
  • FIG 2 shows a schematic diagram of the busbar 100 installed on the battery module.
  • Figure 2 only shows the end plate 220 and the CCS assembly 230 of the battery module.
  • the busbar 100 is fixed to the end plate 220 by bolts 210 and is electrically connected to the CCS assembly 230.
  • This embodiment also provides a battery pack, which includes a plurality of battery modules and a busbar 100 as described in any of the above schemes, and the busbar 100 is arranged between two adjacent battery modules or between the battery module and the output end of the battery pack.
  • the battery pack using the busbar 100 in the above scheme not only greatly reduces the overall mass, but also reduces the production cost.
  • This embodiment further provides an electronic device, which includes the battery pack described in the above solution.
  • the electronic device described in this embodiment is a car, and the car using the battery pack has its own weight reduced, which can improve the endurance and reduce the cost of the whole car.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Connection Of Batteries Or Terminals (AREA)

Abstract

本申请属于电池技术领域，公开了一种汇流排、电池包及电子设备。该汇流排包括铝排和两个铜套，铝排的两端均开设有安装孔；两个铜套一一对应固定于两个安装孔内，铜套与铝排电连接；两个铜套中的一个用于电连接电池模组，另一个用于电连接外部设备。

Description

汇流排、电池包及电子设备
本申请要求在_2022年11月3日提交中国专利局、申请号为202222923249.2的中国专利申请的优先权，以上申请的全部内容通过引用结合在本申请中。
技术领域
本申请涉及电池技术领域，尤其涉及一种汇流排、电池包及电子设备。
背景技术
目前所使用的动力电池包内均包括有多个电池模组，相邻两个连接电池模组之间或者电池模组与电池包的功率输出口部分的电连接通常使用汇流排，现有技术中的汇流排主要使用是铜排，部分汇流排也有用到线束焊接端子的结构。
铜排又称汇流铜排或铜母排，是由铜材质制作的，在电路中起输送电流和连接电气设备的作用，电力汇流排能通过大电流，常用于高低压电器、开关触头、配电设备、母线槽等电器工程。铜排具有电阻率低、可折弯度大等优点，但在动力电池包中所需的铜排数量较多，铜排由于使用铜或铜合金制成，其单体重量大、制造成本高，限制了新能源汽车轻量化的发展，还使得新能源汽车制造成本居高不下。
因此，亟需改进现有技术以解决现有技术中汇流排所存在的技术问题。
发明内容
一方面，本申请提供了一种汇流排，该汇流排在不影响导电性能的前提下，能够降低汇流排的重量，降低原材料成本以及生产成本。
本申请采用以下技术方案：
该汇流排包括铝排和两个铜套，上述铝排的两端均开设有安装孔；两个上述铜套一一对应固定于两个上述安装孔内，上述铜套与上述铝排电连接；两个上述铜套中的一个用于电连接电池模组，另一个用于电连接外部设备。
在一实施例中，上述铜套上开设有连接孔，上述铜套与上述电池模组或上述外部设备通过螺栓连接，上述螺栓穿设于上述连接孔内。
在一实施例中，上述铜套沿竖直方向的两端面均高出上述安装孔。
在一实施例中，上述铜套上端面的面积不小于上述螺栓的头部法兰下端面的面积。
在一实施例中，两个上述铜套中的一个的上述连接孔为腰型孔。
在一实施例中，上述铜套摩擦焊接固定于上述安装孔内。
在一实施例中，上述铝排外表面电镀覆盖有保护层。
在一实施例中，上述铝排外表面包覆有绝缘层。
在一实施例中，上述铝排由铝板材弯折成型，上述铝排两端均设置有圆倒角。
第二方面，本申请提供了一种电池包，该电池包包括多个电池模组和如上述任一方案所述的汇流排，相邻两个上述电池模组之间或上述电池模组与上述电池包的输出端之间设置有上述汇流排。
第三方面，本申请提供了一种电子设备，该电子设备包括如上述方案所述的电池包。
有益效果：
本申请中的汇流排通过将两个铜套分别固定于铝排的两个安装孔内，铜套能够与铝排电连接，并且其中一个铜套用于与电池模组电连接，另一铜套用于 与外部设备电连接，利用铜套优良的导电性将电池模组的电流引出，并且汇流排的主体为铝排，铝排不仅具有优良的导电性和易加工性，并且铝的密度低、材料成本低，将原汇流排中的铜排替换为铝排，在不影响汇流排导电性能的前提下，能够大大降低该汇流排的重量和制造成本。
附图说明
图1是本申请具体实施方式提供的汇流排的示意图；
图2是本申请具体实施方式提供的汇流排安装于电池模组上的示意图。
图中：
100、汇流排；110、铝排；111、安装孔；112、绝缘层；120、铜套；121、连接孔；210、螺栓；211、头部法兰；220、端板；230、CCS组件。
具体实施方式
在本申请的描述中，除非另有明确的规定和限定，术语“相连”、“连接”、“固定”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；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，可以具体情况理解上述术语在本申请中的具体含义。
在本申请中，除非另有明确的规定和限定，第一特征在第二特征之“上”或之“下”可以包括第一和第二特征直接接触，也可以包括第一和第二特征不是直接接触而是通过它们之间的另外的特征接触。而且，第一特征在第二特征“之上”、“上方”和“上面”包括第一特征在第二特征正上方和斜上方，或仅 仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”包括第一特征在第二特征正下方和斜下方，或仅仅表示第一特征水平高度小于第二特征。
在本实施例的描述中，术语“上”、“下”、“右”、等方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述和简化操作，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”仅仅用于在描述上加以区分，并没有特殊的含义。
请参考图1，在本实施例中，该汇流排100包括铝排110和两个铜套120，上述铝排110的两端均开设有安装孔111；两个上述铜套120一一对应固定于两个上述安装孔111内，上述铜套120与上述铝排110电连接；两个上述铜套120中的一个用于电连接电池模组，另一个用于电连接外部设备。此处所说的外部设备包括另一个电池模组、包括该电池模组的电池包的输出端或者其它电子设备，本领域技术人员可根据具体需求将该汇流排100用于电连接电池模组与其他外部设备，此处不作具体限制。
本实施例中的汇流排100通过将两个铜套120分别固定于铝排110的两个安装孔111内，铜套120能够与铝排110电连接，并且其中一个铜套120用于与电池模组电连接，另一铜套120用于与外部设备电连接，利用铜套120优良的导电性将电池模组的电流引出，并且汇流排100的主体为铝排110，铝排110不仅具有优良的导电性和易加工性，并且铝的密度低、材料成本低，将原汇流排100中的铜排替换为铝排110，在不影响汇流排100导电性能的前提下，能够大大降低该汇流排100的重量和制造成本。
请继续参考图1，在本实施例中，上述铜套120上开设有连接孔121，上述 铜套120与上述电池模组或上述外部设备通过螺栓210连接，上述螺栓210穿设于上述连接孔121内。使用螺栓210连接的汇流排100，其安装方便、容易拆卸，并且连接的可靠性和稳定性更高，保证了汇流排100在电池模组上不脱落。
可选地，两个上述铜套120中的一个的上述连接孔121为腰型孔。在本实施例中，与外部设备相连的铜套120的连接孔121为腰型孔，腰型孔也叫长圆孔，其两端为半圆弧，中间为平行平面，腰型孔的设计使得在加工两个铜套120的连接孔121时，以及在将铜套定位安装时，能够降低定位难度，并且便于调整零件间的位置，只需使得腰型孔的中间平面的宽度小于螺栓210的头部法兰211的直径即可。
进一步地，上述铜套120沿竖直方向的两端面均高出上述安装孔111。在本实施例中，铜套120在固定于安装孔111内时，铜套120的上端面高出安装孔111，且铜套120的下端面也伸出安装孔111，使得铜套120能够与上述螺栓210的头部法兰211以及电池模组或外部设备充分接触，确保铜套120与电池模组或外部设备的电连接不受影响，电流、电压更加稳定。
作为优选的实施例，上述铜套120上端面的面积不小于上述螺栓210的头部法兰211下端面的面积。这样设置的铜套120，能够保证螺栓210在拧紧时，头部法兰211能够完全接触铜套120，并向铜套120施加足够的挤压力将铜套120固定于电池模组或外部设备上，使得其电连接更加稳定，电流、电压更加稳定
具体地，上述铜套120摩擦焊接固定于上述安装孔111内。摩擦焊接是指利用热塑性塑料之间相互摩擦所生成的摩擦热，使摩擦面受热熔融，经加压并冷却后，即可使其连接在一起的方法；摩擦焊接除具有一般热压焊接的优点外，其焊接的连接处质量高而且稳定，并且还具有焊件的尺寸精度和几何精度高、 降低了制造成本、焊接效率高以及更加环保的优点。
进一步地，上述铝排110外表面电镀覆盖有保护层。该保护层由电镀形成，能够保护铝排110与铜套120焊接完成后的连接处，防止连接处被腐蚀损坏，提高了汇流排100的使用寿命和可靠性。
作为优选的实施例，上述铝排110外表面包覆有绝缘层112。具体地，该绝缘层112由浸胶绝缘处理形成。绝缘层112能够保证在汇流排100安装完成后，不会与另一个汇流排100或其它带电设备相接触，防止出现短路现象，提高了该汇流排100的使用安全性。
优选地，上述铝排110由铝板材弯折成型，上述铝排110两端均设置有圆倒角。具体地，本实施例中的铝排110由长、宽、厚分别为1000mm、20mm、3mm的铝板材采用3D弯折工艺加工为所需的形状，此处不作具体限制。直接使用铝板材弯折成型时，铝板材的四角比较尖锐，因此在铝排110的两端做圆倒角处理，能够防止尖端放电的现象产生，进一步提高了该汇流排100的使用安全性。
请继续参考图2，图2中给出了该汇流排100安装于电池模组上的示意图，图2中仅显示了电池模组的端板220和CCS组件230，汇流排100通过螺栓210固定于端板220上，并与CCS组件230电连接。本实施例还提供了一种电池包，该电池包包括多个电池模组和如上述任一方案所述的汇流排100，相邻两个上述电池模组之间或上述电池模组与上述电池包的输出端之间设置有上述汇流排100。使用上述方案中的汇流排100的电池包，不仅整体质量大大减小，还能降低生产成本。
本实施例又提供了一种电子设备，该电子设备包括如上述方案所述的电池包。具体地，本实施例中所述的电子设备为汽车，使用上述电池包的汽车，其自身重量得到降低，能够提升续航能力，还能够降低整车成本。

Claims (11)

  1. 汇流排，包括：
    铝排(110)，所述铝排(110)的两端均开设有安装孔(111)；
    两个铜套(120)，两个所述铜套(120)一一对应固定于两个所述安装孔(111)内，所述铜套(120)与所述铝排(110)电连接；两个所述铜套(120)中的一个用于电连接电池模组，另一个用于电连接外部设备。
  2. 根据权利要求1所述的汇流排，其中，所述铜套(120)上开设有连接孔(121)，所述铜套(120)与所述电池模组或所述外部设备通过螺栓(210)连接，所述螺栓(210)穿设于所述连接孔(121)内。
  3. 根据权利要求2所述的汇流排，其中，所述铜套(120)沿竖直方向的两端面均高出所述安装孔(111)。
  4. 根据权利要求2所述的汇流排，其中，所述铜套(120)上端面的面积不小于所述螺栓(210)的头部法兰(211)下端面的面积。
  5. 根据权利要求2所述的汇流排，其中，两个所述铜套(120)中的一个的所述连接孔(121)为腰型孔。
  6. 根据权利要求1所述的汇流排，其中，所述铜套(120)摩擦焊接固定于所述安装孔(111)内。
  7. 根据权利要求6所述的汇流排，其中，所述铝排(110)外表面电镀覆盖有保护层。
  8. 根据权利要求1-7任一项所述的汇流排，其中，所述铝排(110)外表面包覆有绝缘层(112)。
  9. 根据权利要求1-7任一项所述的汇流排，其中，所述铝排(110)由铝板材弯折成型，所述铝排(110)两端均设置有圆倒角。
  10. 电池包，包括多个电池模组和如权利要求1-9任一项所述的汇流排 (100)，相邻两个所述电池模组之间或所述电池模组与所述电池包的输出端之间设置有所述汇流排(100)。
  11. 电子设备，包括如权利要求10所述的电池包。
PCT/CN2022/143092 2022-11-03 2022-12-29 汇流排、电池包及电子设备 WO2024092999A1 (zh)

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CN113745767A (zh) * 2021-09-22 2021-12-03 深圳市科达利实业股份有限公司 一种复合连接块及动力电池
CN217719882U (zh) * 2022-03-30 2022-11-01 深圳市品盈精密制品有限公司 一种锂电池组pack正负极汇流板结构

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CN103003979A (zh) * 2010-10-15 2013-03-27 株式会社神户制钢所 导电性连结构件、导电性连结构件的制造方法、以及将导电性连结构件形成为电极的蓄电池
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