WO2024120554A1 - Ccs采集结构及电池模组 - Google Patents

Ccs采集结构及电池模组 Download PDF

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Publication number
WO2024120554A1
WO2024120554A1 PCT/CN2024/079546 CN2024079546W WO2024120554A1 WO 2024120554 A1 WO2024120554 A1 WO 2024120554A1 CN 2024079546 W CN2024079546 W CN 2024079546W WO 2024120554 A1 WO2024120554 A1 WO 2024120554A1
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WO
WIPO (PCT)
Prior art keywords
ccs
acquisition
signal acquisition
assembly
collection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2024/079546
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English (en)
French (fr)
Inventor
陈健宝
张国江
徐尚伟
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Eve Energy Co Ltd
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Eve Energy Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eve Energy Co Ltd filed Critical Eve Energy Co Ltd
Priority to DE212024000019.1U priority Critical patent/DE212024000019U1/de
Publication of WO2024120554A1 publication Critical patent/WO2024120554A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/569—Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals
    • 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
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • 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
    • H01M50/507—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising an arrangement of two or more busbars within a container structure, e.g. busbar modules
    • 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
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
    • 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, for example, to a CCS collection structure and a battery module.
  • the biggest difference between new energy vehicles and traditional vehicles is that they use batteries as power, so the power battery is the core of new energy vehicles.
  • the power of electric vehicles relies on batteries, and the battery management system is the core of it. It monitors and manages the battery. By collecting parameters such as voltage, current, and temperature, it calculates the state of the power battery and controls its reasonable use.
  • the battery management unit is responsible for collecting and managing the voltage, current, and temperature information of the single cell and uploading it. It is also responsible for managing the single cells in the module and realizing the single cell balancing function.
  • the parameters of multiple single cells in the battery module are collected by the integrated busbar (Cells Contact System, CCS) information collection system and uploaded to the BMU through the flexible flat cable (Flexible Flat Cable, FFC).
  • CCS Cells Contact System
  • FFC Flexible Flat Cable
  • the present application provides a CCS acquisition structure that can effectively reduce welding risks and reduce the complexity of welding processes, thereby improving production efficiency and reducing production costs.
  • an embodiment of the present application provides a CCS acquisition structure including an insulating disk, a signal acquisition assembly, a bus and an acquisition connector, wherein the signal acquisition assembly is installed on the upper end surface of the insulating disk; the bus is installed at intervals on both sides of the upper end surface of the insulating disk and is electrically connected to the signal acquisition assembly; the head of the signal acquisition assembly is plugged into and fixed in the acquisition connector, and the acquisition connector is configured to be plugged into the BMU connector.
  • the signal acquisition assembly includes a main body and a plurality of signal acquisition strips, the main body is plugged into the acquisition connector, the signal acquisition strips are bent and arranged on the upper end surface of the insulating disk, one end of the plurality of signal acquisition strips is simultaneously connected to the main body, and the other ends are respectively electrically connected to the bus bars on both sides of the upper end surface of the insulating disk.
  • the CCS acquisition structure further includes a temperature sensing package, and one end of the temperature sensing package is electrically connected to the signal acquisition assembly.
  • the signal acquisition strip is provided with a voltage strip and a temperature sensing strip, one end of the voltage strip is electrically connected to the bus bar; one end of the temperature sensing strip is electrically connected to the temperature sensing package.
  • the voltage strips are bent and welded to the busbars, and protective glue is coated at the welding positions.
  • a connection between the main body and the plurality of signal collection strips is wrapped with a reinforcement layer.
  • the head of the signal acquisition assembly is connected to a reinforcement plate adapted to the head of the signal acquisition assembly, and the reinforcement plate is plugged into and fixed in the acquisition connector.
  • the reinforcement plate is attached to the head of the signal acquisition assembly, and one of the reinforcement plate, the head of the signal acquisition assembly and the signal collector is provided with a positioning column, and the other two are penetrated with a fixing hole, and the fixing hole cooperates with the positioning column.
  • a collection assembly installation groove is provided in the middle of the insulating disk, and a backing adhesive is provided on the lower end surface of the signal collection assembly. The signal collection assembly is adhered and fixed in the collection assembly installation groove by the backing adhesive.
  • the insulating disk is provided with a plurality of busbar mounting grooves, and the busbar mounting grooves are configured to clamp and fix the busbar.
  • the busbar is provided with a plurality of positioning holes
  • the busbar mounting groove is provided with heat rivet posts that match the positioning holes one by one, and the heat rivet posts are fixed in the positioning holes after heat riveting.
  • the present application provides a battery module, which includes a CCS collection structure as described in any of the above solutions.
  • the signal acquisition assembly of the CCS acquisition structure is electrically connected to the bus on the insulating disk and is configured to collect information such as the voltage and temperature of the battery cell.
  • the head of the signal acquisition assembly is directly connected to the acquisition connector, and there is no need to use a printed circuit board to connect the acquisition connector and the signal acquisition assembly, which reduces the number of welding points and thus reduces the generation of welding risk points, making the CCS acquisition structure have a higher production yield and is safer and more reliable to use.
  • the printed circuit board is reduced and the number of welding times is reduced, the production cost can also be reduced and the production efficiency can be improved, which has good economic benefits.
  • FIG1 is an isometric view of a battery module provided in a specific embodiment of the present application with some parts hidden;
  • FIG2 is a top view of a CCS collection structure provided in a specific embodiment of the present application.
  • FIG3 is a partial enlarged view of point A in FIG2;
  • FIG4 is an exploded view of a CCS acquisition structure provided in a specific embodiment of the present application.
  • FIG5 is a partial enlarged view of point B in FIG4;
  • FIG. 6 is a schematic structural diagram of a positioning column provided in a specific embodiment of the present application.
  • 200 signal acquisition assembly; 210, main body; 211, reinforcement plate; 212, fixing hole; 213, reinforcement layer; 220, signal acquisition strip; 221, voltage strip; 222, temperature sensing strip;
  • 300 bus; 310, positioning hole; 400, temperature sensing package; 500, collection connector; 510, positioning column; 600, BMU connector; 700, BMU.
  • 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 horizontal height of the first feature is higher than the horizontal height of 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 horizontal height of the first feature is less than the horizontal height of 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 CCS acquisition structure in this embodiment is arranged on the upper part of the battery module, and is configured to collect information such as the voltage and temperature of the battery cells in the battery module, and transmit this information to the BMU connector 600 through the acquisition connector 500 of the CCS acquisition structure, and then transmit it to the BMU 700 to control the battery module.
  • the CCS acquisition structure includes an insulating disk 100, a signal acquisition assembly 200, a bus 300, a temperature sensing package 400 and a collection connector 500.
  • the signal acquisition assembly 200 is installed on the upper end surface of the insulating disk 100, and the head of the signal acquisition assembly 200 is provided with a reinforcing plate 211 adapted to the head of the signal acquisition assembly 200;
  • the bus 300 is installed at intervals on both sides of the upper end surface of the insulating disk 100 and is electrically connected to the signal acquisition assembly 200; one end of the temperature sensing package 400 is electrically connected to the signal acquisition assembly 200;
  • the head of the signal acquisition assembly 200 and the reinforcing plate 211 are both plugged and fixed in the collection connector 500, and the collection connector 500 is configured to be plugged into the BMU connector 600.
  • the signal acquisition assembly 200 of the CCS acquisition structure in this embodiment is electrically connected to the bus 300 on the insulating disk 100, and is configured to collect information such as the voltage and temperature of the battery cell.
  • the head of the signal acquisition assembly 200 is directly connected to the acquisition connector 500, and there is no need to use a printed circuit board to connect the acquisition connector 500 and the signal acquisition assembly 200, thereby reducing welding points and further reducing the generation of welding risk points, so that the CCS acquisition structure has a higher production yield and is safer and more reliable to use; at the same time, since the printed circuit board is reduced and the number of welding times is reduced, the production cost can be reduced and the production efficiency can be improved, which has good economic benefits.
  • the signal acquisition assembly 200 in this embodiment is a flexible flat cable (Flexible Flat Cable, FFC) or a flexible printed circuit board (Flexible Printed Circuit, FPC), and its flexible and bendable design can improve the reliability of the signal acquisition assembly 200 and facilitate assembly.
  • FFC Flexible Flat Cable
  • FPC Flexible Printed Circuit
  • the signal acquisition assembly 200 includes a main body 210 and a plurality of signal acquisition strips 220.
  • the main body 210 is plugged into the acquisition connector 500.
  • One end of the plurality of signal acquisition strips 220 is simultaneously connected to the main body 210, and the other ends are respectively electrically connected to the busbars 300 on both sides of the upper end surface of the insulating disk 100.
  • two signal acquisition strips 220 are provided, and the two signal acquisition strips 220 are respectively used to connect the busbars 300 on both sides of the insulating disk 100, which can optimize the overall structure of the signal acquisition assembly 200, make the appearance of the CCS acquisition structure more neat, avoid interference between the signal acquisition assembly 200 and other components, and further facilitate assembly.
  • the CCS acquisition structure also includes a temperature sensing package 400, one end of which is electrically connected to the signal acquisition assembly 200.
  • the temperature sensing package 400 is attached to the surface of the battery cell through the hole of the insulating disk 100, and is configured to collect the temperature information of the battery cell, which will not be described here.
  • the signal acquisition strip 220 is provided with a voltage strip 221 and a temperature sensing strip 222. One end of the voltage strip 221 is electrically connected to the bus 300; one end of the temperature sensing strip 222 is electrically connected to the temperature sensing package 400.
  • At least one signal acquisition strip 220 is installed in the middle of the upper end of the insulating disk 100; if a single signal acquisition strip 220 is installed, multiple voltage strips 221 and multiple temperature sensing strips 222 are cut out on both sides of the signal acquisition strip 220; if multiple signal acquisition strips 220 are installed, multiple voltage strips 221 and multiple temperature sensing strips 222 are cut out on the outer side of the signal acquisition strip 220.
  • the voltage strip 221 is configured to collect the voltage signal of the bus 300
  • the temperature sensing strip 222 is configured to collect the temperature signal. After the voltage and temperature signals are collected, they are transmitted to the collection connector 500 .
  • the voltage strip 221 is bent and welded to the bus 300, and a protective glue is applied at the welding position.
  • a collection nickel sheet is provided on the bus 300, and the copper conductor at the tail of the voltage strip 221 contacts the collection nickel sheet on the bus 300 as a whole and is soldered, so that the direction of the voltage strip 221 is perpendicular to the collection nickel sheet, and then the welding point is protected with photosensitive (ultraviolet, UV) glue to prevent the welding point from failing, further ensuring the connection stability of the voltage strip 221 to the bus 300, making the CCS collection structure safer and more reliable.
  • the temperature sensing strip 222 is bent twice and then welded to the temperature sensing package 400, and then UV glue is applied to the welding point for protection.
  • a collection assembly installation groove 110 is provided in the middle of the insulating disk 100, and adhesive is provided on the lower end surface of the signal collection assembly 200.
  • the signal collection assembly 200 is adhered and fixed in the collection assembly installation groove 110 by adhesive.
  • the collection assembly installation groove 110 of the insulating disk 100 is set to locate the installation position of the signal collection assembly 200, which is convenient for assembly and positioning.
  • the lower end surface of the signal collection assembly 200 is provided with adhesive, so that the signal collection assembly 200 can be firmly installed in the collection assembly installation groove 110 to prevent the FFC from falling off.
  • the insulating disk 100 is provided with a plurality of busbar installation grooves 120, and the busbar installation grooves 120 are configured to clamp and fix the busbar 300.
  • the busbar 300 is provided with a plurality of positioning holes 310, and the busbar installation grooves 120 are provided with heat rivet studs 121 that match the positioning holes 310 one by one, and the heat rivet studs 121 are fixed in the positioning holes 310 after heat riveting.
  • the upper end surface of the insulating disk 100 is integrally formed with a bus mounting groove 120 and a heat rivet column 121.
  • the cooperation between the bus 300 and the bus mounting groove 120 and the cooperation between the positioning hole 310 and the heat rivet column 121 increase the reliability of the fixation of the bus 300.
  • the bus 300 is fixed to the insulating disk 100 by heat riveting, which can effectively prevent the bus 300 from falling off the insulating disk 100; at the same time, the bus mounting groove 120 and the heat rivet column 121 are used to position the bus 300, which reduces the height difference between the bus 300 and the insulating disk 100, reduces the difficulty of welding, and effectively improves the production efficiency.
  • the head of the signal acquisition assembly 200 is connected to a reinforcement plate 211 adapted to the head of the signal acquisition assembly 200, and the reinforcement plate 211 is plugged and fixed in the acquisition connector 500.
  • the reinforcement plate 211 can enhance the mechanical strength of the connection between the signal acquisition assembly 200 and the signal collector 500.
  • the reinforcement plate 211 is attached to the head of the signal acquisition assembly 200, and one of the reinforcement plate 211, the head of the signal acquisition assembly 200 and the signal collector 500 is provided with a positioning column 510, and the other two are penetrated with a fixing hole 212, and the fixing hole 212 cooperates with the positioning column 510.
  • the reinforcing plate 211 is attached to the main body 210, and the reinforcing plate 211 and the main body 210 are penetrated by a fixing hole 212, and the collection connector 500 is provided with a positioning column 510 that cooperates with the fixing hole 212.
  • the collection connector 500 is formed by buckling the upper and lower parts. When the collection connector 500 is buckled on the main body 210, the cooperation of the fixing hole 212 and the positioning column 510 can facilitate positioning and installation on the one hand, and prevent the collection connector 500 from falling off from the main body 210 on the other hand, further improving the connection stability of the CCS collection structure.
  • connection between the main body 210 and the plurality of signal collection strips 220 is wrapped with a reinforcing layer 213.
  • the reinforcing layer 213 is wrapped with Mylar or adhesive tape, and strengthens and protects the connection, i.e., the bifurcation, of the plurality of signal collection strips 220, to prevent tearing, breaking, etc. from occurring at the connection between the main body 210 and the signal collection strips 220, thereby ensuring the overall strength of the signal collection assembly 200 during use, and further ensuring that the CCS collection structure is safer and more reliable during use.
  • the present application provides a battery module, which includes a CCS acquisition structure as described in any of the above schemes.
  • the battery module includes a module body 10, including components such as a module housing, an end plate, a cover plate, a battery cell, etc. (some components are hidden), the CCS acquisition structure is installed at the upper end of the module body 10, and the bus 300 is welded to the pole of the battery cell, which will not be repeated in this embodiment.
  • the gold finger of the acquisition connector 500 of the CCS acquisition structure contacts the internal terminal of the BMU connector 600 on the module body 10, so that the voltage and temperature signals collected by the signal acquisition assembly 200 are directly transmitted to the BMU 700 through the acquisition connector 500 and the BMU connector 600.
  • the battery module uses the above CCS acquisition structure, it can reduce welding risk points, its use safety and reliability are higher, and the cost is reduced, and the number of welding times can be reduced, and the complexity of the welding process can be reduced, thereby improving production efficiency and reducing production costs.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Connection Of Batteries Or Terminals (AREA)

Abstract

一种CCS采集结构及电池模组。该CCS采集结构包括绝缘盘（100）、信号采集总成（200）、汇流排（300）和采集连接器（400），上述信号采集总成（200）安装于上述绝缘盘（100）上端面；上述汇流排（300）间隔安装于上述绝缘盘（100）的上端面两侧，且与上述信号采集总成（200）电连接；上述信号采集总成（200）的头部插接并固定于上述采集连接器（400）内，上述采集连接器（400）设置为插接于BMU连接器（600）。

Description

CCS采集结构及电池模组
本申请要求在2023年03月27日提交中国专利局、申请号为202320620637.5的中国专利申请的优先权，该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，例如涉及一种CCS采集结构及电池模组。
 背景技术
新能源汽车与传统汽车最大的区别是用电池作为动力驱动，所以动力电池是新能源车的核心。电动汽车的动力依靠电池，而电池管理系统则是其中的核心，是对电池实行监控和管理的功能。通过对电压、电流、温度等参数的采集，计算动力电池的状态并控制其合理地使用。
电池控制单元（Battery management unit，BMU）负责采集和管理单体电芯的电压、电流、温度信息并上传，还负责管理模组内的单体电池，实现单体电池均衡功能。电池模组的多个单体电池的参数由集成母排（Cells Contact System，CCS）信息采集系统进行采集，并通过柔性排线（Flexible Flat Cable，FFC）上传至BMU。相关技术中的CCS采集结构具有以下缺点：FFC与连接器需要通过印刷电路板进行转接，增加了焊接失效风险点；3.CCS与BMU之间的传输需要通过线束再次进行转接，制作成本高。
因此，亟需提供一种新型CCS采集结构，以解决相关技术中所存在的上述技术问题。
 发明内容
本申请提供了一种CCS采集结构，能够有效降低焊接风险，减少焊接工艺的复杂性，从而提高生产效率并降低生产成本。
第一方面，本申请实施例提供了一种CCS采集结构包括绝缘盘、信号采集总成、汇流排和采集连接器，上述信号采集总成安装于上述绝缘盘上端面；上述汇流排间隔安装于上述绝缘盘的上端面两侧，且与上述信号采集总成电连接；上述信号采集总成的头部插接并固定于上述采集连接器内，上述采集连接器设置为插接于BMU连接器。
在一实施例中，上述信号采集总成包括主体部和多个信号采集分条，上述主体部插接于上述采集连接器内，上述信号采集分条折弯设置于上述绝缘盘上端面，多个上述信号采集分条一端同时连接于上述主体部，另一端分别电连接于上述绝缘盘的上端面两侧的上述汇流排。
在一实施例中，上述CCS采集结构还包括温感封装，上述温感封装一端电连接于上述信号采集总成。
在一实施例中，上述信号采集分条设置有电压分条和温感分条，上述电压分条一端和上述汇流排电连接；上述温感分条一端和上述温感封装电连接。
在一实施例中，上述电压分条折弯并焊接于上述汇流排，且焊接位置处涂覆有保护胶。
在一实施例中，上述主体部与多个上述信号采集分条的连接处包裹有加强层。
在一实施例中，上述信号采集总成的头部连接有与上述信号采集总成的头部适配的补强板，上述补强板插接并固定于上述采集连接器内。
在一实施例中，上述补强板贴设于上述信号采集总成的头部，且上述补强板、上述信号采集总成的头部与上述信号采集器三者中的一者设置有定位柱，其他两者贯穿开设有固定孔，上述固定孔与上述定位柱配合。
在一实施例中，上述绝缘盘的中部设置有采集总成安装槽，上述信号采集总成的下端面设置有背胶，上述信号采集总成通过背胶粘贴并固定在采集总成安装槽内。
在一实施例中，上述绝缘盘设置有多个汇流安装槽，上述汇流安装槽设置为卡接固定上述汇流排。
在一实施例中，上述汇流排开设有多个定位孔，上述汇流安装槽凸设有与上述定位孔一一配合的热铆柱，上述热铆柱经热铆后固定于上述定位孔内。
本申请提供了一种电池模组，该电池模组包括如上述任一方案所述的CCS采集结构。
本申请的有益效果：
该CCS采集结构的信号采集总成与绝缘盘上的汇流排电连接，设置为采集电池单体的电压和温度等信息，信号采集总成的头部直接与采集连接器连接，无需使用印刷电路板连接采集连接器与信号采集总成，减少了焊接点位，进而减少了焊接风险点的产生，使得该CCS采集结构生产良品率更高，并且使用更加安全可靠；同时，由于减少了印刷电路板，减少了焊接的次数，还能够降低生产成本并提高生产效率，具有良好的经济效益。
 附图说明
图1是本申请具体实施方式提供的电池模组隐去部分零件后的轴测图；
图2是本申请具体实施方式提供的CCS采集结构的俯视图；
图3是图2中A处的局部放大图；
图4是本申请具体实施方式提供的CCS采集结构的爆炸图；
图5是图4中B处的局部放大图；
图6是本申请具体实施方式提供的定位柱的结构示意图。
图中：
10、模组本体；
100、绝缘盘；110、采集总成安装槽；120、汇流安装槽；121、热铆柱；
200、信号采集总成；210、主体部；211、补强板；212、固定孔；213、加强层；220、信号采集分条；221、电压分条；222、温感分条；
300、汇流排；310、定位孔；400、温感封装；500、采集连接器；510、定位柱；600、BMU连接器；700、BMU。
 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，可以根据情况理解上述术语在本申请中的含义。
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的水平高度高于第二特征的水平高度。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的水平高度小于第二特征的水平高度。
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，本实施例中的CCS采集结构设置于电池模组上部，设置为采集电池模组内电池单体的电压和温度等信息，并将这些信息通过CCS采集结构的采集连接器500传输至BMU连接器600，进而传输至BMU700，对电池模组进行控制。
请参考图2和图5，在本实施例中，该CCS采集结构包括绝缘盘100、信号采集总成200、汇流排300、温感封装400和采集连接器500，上述信号采集总成200安装于上述绝缘盘100上端面，上述信号采集总成200的头部贴设有与上述信号采集总成200的头部适配的补强板211；上述汇流排300间隔安装于上述绝缘盘100的上端面两侧，且与上述信号采集总成200电连接；上述温感封装400一端电连接于上述信号采集总成200；上述信号采集总成200的头部与上述补强板211均插接并固定于上述采集连接器500内，上述采集连接器500设置为插接于BMU连接器600。
本实施例中的CCS采集结构的信号采集总成200与绝缘盘100上的汇流排300电连接，设置为采集电池单体的电压和温度等信息，信号采集总成200的头部直接与采集连接器500连接，无需使用印刷电路板连接采集连接器500与信号采集总成200，减少了焊接点位，进而减少了焊接风险点的产生，使得该CCS采集结构生产良品率更高，并且使用更加安全可靠；同时，由于减少了印刷电路板，减少了焊接的次数，还能够降低生产成本并提高生产效率，具有良好的经济效益。
本实施例中的信号采集总成200为柔性扁平电缆（Flexible Flat Cable，FFC）或柔性印刷电路板（Flexible Printed Circuit，FPC），其柔性可弯折的设计能够提高信号采集总成200的可靠性，并且便于组装。
请继续参考图2，可选地，上述信号采集总成200包括主体部210和多个信号采集分条220，上述主体部210插接于上述采集连接器500内，多个上述信号采集分条220一端同时连接于上述主体部210，另一端分别电连接于上述绝缘盘100的上端面两侧的汇流排300。本实施例中设置有两个信号采集分条220，分别使用两个信号采集分条220连接绝缘盘100上两侧的汇流排300，能够优化信号采集总成200的整体结构，使得该CCS采集结构外观更加整洁，避免信号采集总成200与其他部件产生干涉，进一步方便组装。
请参考图3，该CCS采集结构还包括温感封装400，上述温感封装400一端电连接于上述信号采集总成200。温感封装400通过绝缘盘100的孔贴在电池单体的表面，设置为采集电池单体的温度信息，此处不再赘述。上述信号采集分条220设置有电压分条221和温感分条222，上述电压分条221一端和上述汇流排300电连接；上述温感分条222一端和上述温感封装400电连接。绝缘盘100的上端中部安装有至少一条的信号采集分条220；若安装单条信号采集分条220，则信号采集分条220的两侧裁切出多条电压分条221和多条温感分条222；若安装多条信号采集分条220，则信号采集分条220的外侧裁切出多条电压分条221和多条温感分条222。电压分条221设置为采集汇流排300的电压信号，温感分条222设置为采集温度信号，电压及温度信号采集完后传导至采集连接器500。
可选地，上述电压分条221折弯并焊接于上述汇流排300，且焊接位置处涂覆有保护胶。汇流排300上设置有采集镍片，电压分条221尾部铜导体整体接触于汇流排300上的采集镍片并进行锡焊焊接，使得电压分条221的方向垂直于采集镍片，随后对焊接点打光敏（ultraviolet，UV）胶防护，防止焊接点失效，进一步保证电压分条221于汇流排300的连接稳定性，使得该CCS采集结构更加安全可靠。同样地，温感分条222折弯两次后焊接于温感封装400，随后在焊接处打UV胶进行保护。
请参考图4，可选地，上述绝缘盘100中部设置有采集总成安装槽110，上述信号采集总成200的下端面设置有背胶，上述信号采集总成200通过背胶粘贴并固定在采集总成安装槽110内。绝缘盘100的采集总成安装槽110设置为定位信号采集总成200的安装位置，便于组装定位，信号采集总成200的下端面设置有背胶，使得信号采集总成200能够牢固的安装在采集总成安装槽110内，防止FFC脱落。
如图5所示，为了在绝缘盘100上安装汇流排300，本实施例中采用以下技术方案：上述绝缘盘100设置有多个汇流安装槽120，上述汇流安装槽120设置为卡接固定上述汇流排300。上述汇流排300开设有多个定位孔310，上述汇流安装槽120凸设有与上述定位孔310一一配合的热铆柱121，上述热铆柱121经热铆后固定于上述定位孔310内。绝缘盘100上端面一体成型有汇流安装槽120和热铆柱121，汇流排300与汇流安装槽120的配合以及定位孔310与热铆柱121的配合增加了汇流排300固定的可靠性，汇流排300通过热铆方式固定于绝缘盘100上，可有效防止汇流排300从绝缘盘100上脱落；同时，利用汇流安装槽120和热铆柱121对汇流排300进行定位，减少了汇流排300与绝缘盘100之间的高度差，降低焊接难度，有效提高了生产效率。
下面结合图5介绍采集连接器500与信号采集总成200间的连接方式。本实施例中，上述信号采集总成200的头部连接有与上述信号采集总成200的头部适配的补强板211，上述补强板211插接并固定于上述采集连接器500内。补强板211能够增强信号采集总成200与信号采集器500的连接处的机械强度。可选地，上述补强板211贴设于上述信号采集总成200的头部，且上述补强板211、上述信号采集总成200的头部与上述信号采集器500三者中的一者设置有定位柱510，其他两者贯穿开设有固定孔212，上述固定孔212与上述定位柱510配合。本实施例中，上述补强板211贴设于主体部210，上述补强板211与上述主体部210贯穿开设有固定孔212，上述采集连接器500内设置有与上述固定孔212配合的定位柱510。采集连接器500由上下两部分扣合而成，采集连接器500扣合于主体部210时，固定孔212和定位柱510的配合一方面能够方便定位安装，另一方面能够防止采集连接器500从主体部210脱落，进一步提高该CCS采集结构的连接稳定性。
上述主体部210与多个上述信号采集分条220的连接处包裹有加强层213。该加强层213由麦拉或胶带包裹而成，对多个信号采集分条220的连接处也即分叉处进行加强和保护，防止主体部210与信号采集分条220的连接处出现撕裂、断裂等现象，保证使用时的信号采集总成200的整体强度，进一步保证该CCS采集结构使用时更加安全可靠。
本申请提供了一种电池模组，该电池模组包括如上述任一方案所述的CCS采集结构。如图1所示，该电池模组包括模组本体10，包括如模组外壳、端板、盖板、电池单体等部件（部分部件被隐去），CCS采集结构安装于模组本体10的上端，汇流排300焊接于电池单体的极柱，本实施例中不再赘述。CCS采集结构的采集连接器500的金手指与模组本体10上BMU连接器600的内部端子接触，使得信号采集总成200采集到的电压及温度信号通过采集连接器500与BMU连接器600直接传输至BMU700。该电池模组在使用上述CCS采集结构时，能够减少焊接风险点位，其使用安全性和可靠性更高，并且成本得到降低，并且能够降低焊接次数，降低焊接工序的复杂性，从而提高生产效率并降低生产成本。

Claims (12)

  1. 集成母排CCS采集结构，包括：
    绝缘盘（100）；
    信号采集总成（200），所述信号采集总成（200）安装于所述绝缘盘（100）上端面；
    汇流排（300），所述汇流排（300）间隔安装于所述绝缘盘（100）上端面，且与所述信号采集总成（200）电连接；
    采集连接器（500），所述信号采集总成（200）的头部插接并固定于所述采集连接器（500）内，所述采集连接器（500）设置为插接于电池控制单元BMU连接器（600）。
  2. 根据权利要求1所述的CCS采集结构，其中，所述信号采集总成（200）包括主体部（210）和多个信号采集分条（220），所述主体部（210）插接于所述采集连接器（500）内，所述信号采集分条（220）折弯设置于所述绝缘盘（100）上端面，多个所述信号采集分条（220）一端同时连接于所述主体部（210），另一端分别电连接于所述绝缘盘（100）的上端面的所述汇流排（300）。
  3. 根据权利要求2所述的CCS采集结构，还包括温感封装（400），所述温感封装（400）一端电连接于所述信号采集总成（200）。
  4. 根据权利要求3所述的CCS采集结构，其中，所述信号采集分条（220）设置有电压分条（221）和温感分条（222），所述电压分条（221）一端和所述汇流排（300）电连接；所述温感分条（222）一端和所述温感封装（400）电连接。
  5. 根据权利要求4所述的CCS采集结构，其中，所述电压分条（221）折弯并焊接于所述汇流排（300），且焊接位置处涂覆有保护胶。
  6. 根据权利要求2所述的CCS采集结构，其中，所述主体部（210）与多个所述信号采集分条（220）的连接处包裹有加强层（213）。
  7. 根据权利要求1所述的CCS采集结构，其中，所述信号采集总成（200）的头部连接有与所述信号采集总成（200）的头部适配的补强板（211），所述补强板（211）插接并固定于所述采集连接器（500）内。
  8. 根据权利要求7所述的CCS采集结构，其中，所述补强板（211）贴设于所述信号采集总成（200）的头部，且所述补强板（211）、所述信号采集总成（200）的头部和所述采集连接器（500）三者中的一者设置有定位柱（510），其他两者开设有贯穿的固定孔（212），所述固定孔（212）与所述定位柱配合。
  9. 根据权利要求1-8任一项所述的CCS采集结构，其中，所述绝缘盘（100）的中部设置有采集总成安装槽（110），所述信号采集总成（200）的下端面设置有背胶，所述信号采集总成（200）通过背胶粘贴并固定在采集总成安装槽（110）内。
  10. 根据权利要求1-8任一项所述的CCS采集结构，其中，所述绝缘盘（100）设置有多个汇流安装槽（120），所述汇流安装槽（120）设置为卡接固定所述汇流排（300）。
  11. 根据权利要求10所述的CCS采集结构，其中，所述汇流排（300）开设有多个定位孔（310），所述汇流安装槽（120）凸设有与所述定位孔（310）一一配合的热铆柱（121），所述热铆柱（121）经热铆后固定于所述定位孔（310）内。
  12. 电池模组，包括如权利要求1-11任一项所述的集成母排CCS采集结构。
PCT/CN2024/079546 2023-03-27 2024-03-01 Ccs采集结构及电池模组 Ceased WO2024120554A1 (zh)

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