WO2024041500A1 - Busbar support assembly, power battery, and vehicle - Google Patents

Busbar support assembly, power battery, and vehicle Download PDF

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Publication number
WO2024041500A1
WO2024041500A1 PCT/CN2023/114166 CN2023114166W WO2024041500A1 WO 2024041500 A1 WO2024041500 A1 WO 2024041500A1 CN 2023114166 W CN2023114166 W CN 2023114166W WO 2024041500 A1 WO2024041500 A1 WO 2024041500A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery
busbar
bracket assembly
harness isolation
isolation plate
Prior art date
Application number
PCT/CN2023/114166
Other languages
French (fr)
Chinese (zh)
Inventor
魏艳彬
崔硕
李晨阳
Original Assignee
蜂巢能源科技股份有限公司
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 蜂巢能源科技股份有限公司 filed Critical 蜂巢能源科技股份有限公司
Publication of WO2024041500A1 publication Critical patent/WO2024041500A1/en

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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
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
    • 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
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
    • 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
    • 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
    • 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 utility model relates to the field of power batteries, and in particular to a bus bracket assembly, a power battery and a vehicle.
  • the power battery outputs power through the high-voltage terminal to provide energy for the vehicle; the collected battery signal is output through the low-voltage plug-in to ensure the safety of the battery.
  • the busbar of the power battery is fixed in the form of hot melt fixation, and cannot be disassembled after being fixed.
  • the present utility model aims to propose a busbar bracket assembly that allows the battery core busbar to be detachable by providing a limiting structure between the battery core busbar and the wire harness isolation plate. Installed on the wire harness isolation board, the installation method is simpler and more convenient.
  • the busbar bracket assembly includes: a wire harness isolation plate; a plurality of battery core busbars, and a limiting structure is provided between each of the battery core busbars and the wire harness isolation plate.
  • the battery core bus is arranged on the wire harness isolation plate through the limiting structure; a module sampling assembly is arranged on the wire harness isolation plate, and the module adopts an assembly circuit Connect multiple battery bus bars.
  • each cell busbar can be detachably installed on the wire harness isolation plate, and the installation method is simple. And it is convenient. In addition, it can also help replace damaged battery bus bars, so that the battery bus bars have a higher utilization rate, reduce the waste of battery bus bars, and save production costs.
  • busbar bracket assembly according to the above embodiment of the present invention may also have the following additional technical features:
  • the limiting structure includes: a buckle, the buckle is provided on the wire harness isolation plate, and the buckle is provided on at least one opposite side of the corresponding battery core bus bar. On both sides, the buckles are used to snap onto the battery cell busbar.
  • the buckles are provided at both ends of the battery cell bus in the length direction and/or at both ends in the width direction.
  • both ends of the battery bus bar in the length direction are provided with chamfers and recesses
  • the wire harness isolation plate is provided with a first limiting portion corresponding to each of the battery bus bars.
  • the second limiting part, the number of the first limiting part and the chamfer is equal and arranged correspondingly, and the number of the second limiting part and the recessed part is equal and arranged correspondingly.
  • the chamfer and the recess are each provided with the buckle, and the buckle is engaged with the corresponding chamfer or the recess.
  • the module sampling assembly includes: a sampling circuit, a plurality of the battery bus bars are arranged in two rows, and the two rows of battery bus bars are arranged in the length direction of the sampling circuit On both sides of the sampling circuit, the sampling circuit is provided with electrical connection pins, the number of the electrical connection pins is equal to the number of the battery core bus bars and is arranged correspondingly; low-voltage terminals, the low-voltage terminals are electrically connected to the sampling circuit.
  • the wire harness isolating plate is provided with a support base
  • the busbar bracket assembly also includes a reinforcing plate, and the reinforcing plate is thermally riveted to the support base, and the Low-voltage terminals are provided on the reinforcing plate.
  • the low-voltage terminal has a plug-in and pull-out direction for assembly with the connector, and the support base is provided with a first convex portion and a second convex portion located at both ends of the plug-in and pull-out direction, so The reinforcing plate is provided between the first convex part and the second convex part.
  • the support base is provided with a snap-in portion, and the snap-in portion is used to snap into the module end plate of the power battery.
  • Another object of the present invention is to provide a power battery including the busbar bracket assembly described in any one of the above.
  • the detachable installation between the cell busbar and the wire harness isolation plate in the busbar bracket assembly can be realized, thereby improving assembly efficiency and reducing maintenance costs.
  • a vehicle includes the above-mentioned power battery.
  • the production cost of the vehicle can be reduced and the safety performance of the vehicle can be improved by using the power battery.
  • Figure 1 is a schematic three-dimensional structural diagram of a power battery according to the present invention.
  • Figure 2 is a schematic three-dimensional structural diagram of the busbar bracket assembly according to the present invention.
  • Figure 3 is a top view of the bus bracket assembly according to the present invention.
  • FIG. 4 is a partial enlarged view of A in FIG. 3 .
  • Figure 5 is a schematic three-dimensional structural diagram of a wire harness isolation plate according to the present invention.
  • FIG. 6 is a partial enlarged view of B in FIG. 5 .
  • Figure 7 is a schematic three-dimensional structural diagram of the module sampling assembly according to the present invention.
  • FIG. 8 is a partial enlarged view of C in FIG. 7 .
  • Figure 9 is a top view of the cell bus according to the present invention.
  • Support base 1041. First convex part; 1042. Second convex part;
  • the bus bracket assembly 100 of the embodiment of the present invention includes: a wire harness isolation plate 10, a plurality of battery bus bars 20, and a module sampling assembly 30.
  • each cell bus 20 is located on the wire harness isolating plate 10 through the limiting structure.
  • the module sampling assembly 30 is located on the wire harness isolating plate 10, and the module uses the assembly to electrically connect multiple cell bus bars 20.
  • each cell bus 20 can be installed on the wire harness isolation plate 10 through the corresponding limiting structure without using welding or hot melting. connection, thus ensuring that each cell bus 20 is easy to install or disassemble on the wire harness isolating plate 10, thereby facilitating the maintenance or replacement of the cell bus 20.
  • a limiting structure is provided between the cell busbar 20 and the wire harness isolation plate 10 so that each cell busbar 20 can be detachably installed on the wire harness isolation plate 10
  • the installation method is simple and convenient.
  • it can also help to replace the damaged battery bus 20, so that the battery bus 20 has a higher utilization rate, reducing the waste of the battery bus 20, and saving production costs.
  • the wire harness isolation plate 10 is provided with a plurality of grooves 10 a , and the plurality of grooves 10 a are arranged in one-to-one correspondence with the plurality of battery bus bars 20 .
  • each groove 10a is also provided with a positioning hole 10b.
  • the positioning hole 10b plays a role in limiting the position of the battery core.
  • the limiting structure includes a buckle 101.
  • the buckle 101 is provided on the wire harness isolation plate 10.
  • the buckle 101 is provided on at least one of the corresponding cell bus bars 20.
  • the buckles 101 are used to clamp on the cell bus 20 . That is to say, the buckle 101 is provided on the wire harness isolation plate 10.
  • the buckle 101 can be provided on one opposite side of the corresponding battery bus 20 to limit the two ends of the battery bus 20; the buckle 101 can also be provided on the corresponding battery bus 20.
  • the number of buckles 101 on each side of the cell bus 20 can be at least one, which can be specifically set according to the situation.
  • the number of buckles 101 on each side of the cell bus 20 can be one or two. One, three, etc.
  • buckles 101 are provided at both ends of the battery bus bar 20 in the length direction and/or at both ends in the width direction. That is to say, the buckle 101 can limit both ends of the battery bus bar 20 in the length direction, or limit the positions of both ends of the battery bus bar 20 in the width direction, or it can limit the battery bus bar 20 at the same time.
  • the two ends in the length direction and the two ends in the width direction are limited to ensure the installation reliability of the battery bus bar 20 .
  • the length direction of the battery bus bar 20 may refer to the left and right directions in FIG. 4 .
  • the buckles 101 are provided at the left and right ends of the battery bus bar 20 , and two buckles are provided at each end.
  • the length direction of the battery bus bar 20 may refer to the front-to-back direction in FIG. 4 .
  • the buckles 101 are provided at the front and rear ends of the battery bus bar 20 , and there are two buckles 101 at each end.
  • chamfers 20a and recesses 20b are provided at both ends of the cell bus 20 in the length direction, and the wire harness isolation plate 10 corresponds to each cell bus.
  • 20 is provided with first limiting portions 102 and second limiting portions 103.
  • the first limiting portions 102 and the chamfers 20a are equal in number and arranged correspondingly.
  • the second limiting portions 103 and the recessed portions 20b are equal in number and arranged correspondingly.
  • chamfers 20a and recesses 20b are provided at both ends of the length of each cell bus 20 (in the left and right directions in FIG. 4), and correspondingly, there are chamfers 20a and recesses 20b in each groove 10a of the wire harness isolation plate 10.
  • the first limiting portion 102 corresponding to the chamfer 20a of the cell bus bar 20, and the second limiting portion 103 corresponding to the recessed portion 20b of the cell bus bar 20, the first limiting portion 102 and the second limiting portion 103 limits the horizontal direction of the cell bus 20 .
  • the first limiting part 102 may be a first limiting block, and the first limiting block has a limiting surface arranged parallel to the chamfer 20a; the second limiting part 103 may be a second limiting block.
  • the position block and the recess 20b may refer to a concave groove. In this way, the first limit block and the chamfer 20a, the second limit block and the concave groove cooperate to adjust the left and right and front and rear directions of the cell bus 20. Limit at the same time.
  • the chamfer 20a and the recessed portion 20b are each provided with buckles 101, and the buckles 101 are engaged with the corresponding chamfer 20a or the recessed portion 20b. That is to say, the buckle 101 can be provided at the position of the first limiting part 102 or the second limiting part 103, and the buckle 101 is clamped on the recess 20b or chamfer 20a of the battery bus bar 20, so as to protect the battery core.
  • the bus bar 20 is limited in the vertical direction.
  • the first limiting part 102 and the second limiting part 103 limit the battery cell bus bar 20 in the horizontal direction (the left and right directions and the front and rear directions in Figure 4), so that The cell bus 20 is fixedly installed on the wire harness isolation plate 10 .
  • the module sampling assembly 30 includes: a sampling circuit 301 and a low-voltage terminal 302 .
  • the plurality of cell bus bars 20 are in two rows.
  • the two rows of cell bus bars 20 are arranged on both sides of the sampling circuit 301 in the length direction (left and right directions in FIG. 7 ).
  • the sampling circuit 301 is provided with electrical connection pins 3011.
  • the number of electric pins 3011 is equal to the number of cell bus bars 20 and set accordingly; the low-voltage terminal 302 is electrically connected to the sampling circuit 301.
  • the plurality of grooves 10a are arranged in two rows in the width direction of the wire harness isolation plate 10, and the plurality of cell bus bars 20 are installed in the plurality of grooves 10a one by one.
  • the wire harness There is a mounting slot 10c in the middle of the two rows of grooves 10a of the isolation plate 10.
  • the sampling circuit 301 is installed in the mounting slot 10c.
  • Each groove 10a is provided with a through hole 10d connected to the mounting slot 10c and is installed on the sampling circuit 301.
  • the power connection pins 3011 are connected to the cell bus 20 through the via holes 10d. The number of the power connection pins 3011 is equal to the number of the cell bus 20 and set accordingly.
  • the sampling circuit 301 may refer to a flexible circuit board, and the flexible circuit board is installed on the wire harness isolation board 10; the electrical connection pin 3011 may be a nickel sheet, and the nickel sheet is welded to the sampling circuit 301.
  • the electrical connection pin 3011 may also be It is made of other conductive materials.
  • the electrical connection pin 3011 can also be a copper sheet, etc., which will not be described again here.
  • the wire harness isolation plate 10 is provided with a support seat 104, and the busbar bracket assembly 100 also includes a reinforcing plate 40.
  • the reinforcing plate 40 The support base 104 is fixed by heat riveting, and the low-voltage terminal 302 is provided on the reinforcing plate 40 .
  • a plurality of pins are provided at the bottom of the low-voltage terminal 302. The plurality of pins are inserted into the reinforcing plate 40.
  • the reinforcing plate 40 is installed at the bottom of the low-voltage terminal 302.
  • the reinforcing plate 40 is provided with hot riveting holes 40a, and the reinforcing plate 40 is hot riveted to the support base 104 through the hot riveting holes 40a.
  • the low-voltage terminal 302 has a plug-in and pull-out direction for assembling with the plug connector (the left and right directions in Figure 5), and the support base 104 is provided with a plug-in connector.
  • the reinforcing plate 40 is provided between the first convex part 1041 and the second convex part 1042 at both ends in the pulling direction. That is to say, when the plug connector is inserted into the low-voltage terminal 302, the first protrusion 1041 can limit the reinforcing plate 40; when the plug connector is pulled out of the low-voltage terminal 302, the second protrusion 1042 can limit the reinforcing plate 40. 40 for limit.
  • first convex portion 1041 and the second convex portion 1042 can be separately provided on opposite sides of the support base 104, such as the left and right sides in Figure 6.
  • An annular convex edge can also be provided on the support base 104, and the support base 104 can also be provided with an annular convex edge.
  • a groove is formed on the top surface of the groove.
  • the first convex part 1041 and the second convex part 1042 are the left and right convex edges of the annular convex edge, and the reinforcing plate 40 is installed in the groove.
  • the support base 104 is provided with a snap-in portion (not shown), and the snap-in portion is used to snap into the module end plate 600 of the power battery 1 .
  • the module end plate 600 may be provided with a fixed slot (not shown) that matches the clamping portion, and the support base 104 is installed on the module end plate 600 through the clamping portion and the fixed slot. , installation or disassembly is relatively simple.
  • busbar bracket assembly 100 of the present invention A specific embodiment of the busbar bracket assembly 100 of the present invention will be described below with reference to the accompanying drawings.
  • the bus bracket assembly 100 includes: a wire harness isolation plate 10 , a battery bus 20 , a module sampling assembly 30 , and a reinforcing plate 40 .
  • each battery core bus bar 20 there are twelve battery core bus bars 20 , and they are arranged in two rows along the front and rear direction, with six in each row. Among them, a limiting structure is provided between each battery core bus bar 20 and the wire harness isolation plate 10 .
  • the row 20 is arranged on the wire harness isolation plate 10 through the limiting structure; the module sampling assembly 30 is arranged on the wire harness isolation plate 10, and the module uses the assembly to electrically connect multiple cell bus bars 20.
  • the left and right ends of the cell bus 20 are provided with chamfers 20a and recesses 20b.
  • the wire harness isolation plate 10 is provided with a first limiter 102 and a second limiter 103 corresponding to each cell bus 20.
  • the first limiter The numbers of the portions 102 and the chamfers 20a are equal and correspondingly arranged, and the second limiting portions 103 and the recessed portions 20b are equal in number and arranged correspondingly.
  • the limiting structure includes buckles 101.
  • the buckles 101 are located at the chamfers 20a and recesses 20b of the corresponding battery bus bars 20 on the wire harness isolation plate 10.
  • the buckles 101 are connected to the chamfers 20a and recesses 20b of the corresponding battery bus bars 20. chamfer 20a and recess 20b.
  • the module sampling assembly 30 includes a sampling circuit 301 and a low-voltage terminal 302.
  • the sampling circuit 301 is provided with electrical connection pins 3011.
  • the number of the electrical connection pins 3011 is equal to the number of the cell bus bars 20 and is arranged correspondingly; the low voltage terminal 302 is electrically connected to the sampling circuit 301.
  • the sampling circuit 301 is a flexible circuit board, and is thermally riveted to the wire harness isolation board 10.
  • the electrical connection pin 3011 is welded to the flexible circuit board using nickel sheets.
  • the wire harness isolation plate 10 is provided with a support base 104 , the reinforcing plate 40 is thermally riveted and fixed on the support base 104 , and the low-voltage terminal 302 is provided on the reinforcing plate 40 .
  • the low-voltage terminal 302 has a plug-in and pull-out direction for assembling with the connector.
  • the top surface of the support base 104 is surrounded by an annular protrusion that is higher than the reinforcing plate 40 .
  • the two ends of the annular protrusion in the plug-in and pull-out direction are first protrusions 1041 and the second convex part 1042, and the reinforcing plate 40 is provided between the first convex part 1041 and the second convex part 1042.
  • the support base 104 and the wire harness isolation plate 10 are integrally injection molded.
  • the support base 104 is provided with a snap-in portion, and the snap-in portion is used to snap onto the module end plate 600 of the power battery 1 .
  • the power battery 1 includes any one of the busbar bracket assembly 100 mentioned above.
  • the structure of the power battery 1 is not limited to including the bus bracket assembly 100, but also includes other components, and other structures and operations are known to those of ordinary skill in the art.
  • the power battery 1 may also include a battery pack 200 , a module end plate 600 , a module upper cover 300 , a high-voltage output pole assembly 400 and a tie tie 500 .
  • the bus bracket assembly 100 is installed on the battery pack 200, and the battery poles of the battery pack 200 are connected to the battery bus 20 through the positioning holes 10b; the high-voltage output pole assembly 400 is connected to the bus bracket assembly 100 Both ends; the module upper cover 300 covers the busbar bracket assembly 100; the module end plate 600 is connected to the support seat 104 of the busbar bracket assembly 100; the tie tie 500 is along the length direction of the busbar bracket assembly 100 ( As shown in the left and right directions in Figure 1 ), the battery core group 200 and the module end plate 600 are wound and fastened together.
  • the power battery 1 can also have other structural forms, which will not be described again here.
  • the detachable installation between the cell busbar 20 and the wire harness isolation plate 10 in the busbar bracket assembly 100 can be realized, thereby improving assembly efficiency. , reduce maintenance costs.
  • a vehicle according to an embodiment of the present invention includes the above-mentioned power battery 1 .
  • the vehicle may refer to a new energy vehicle
  • the power battery 1 serves as a power device and can provide driving power for the vehicle.
  • the power battery 1 can supply power to the motor and electrical equipment in the new energy vehicle.
  • the production cost of the vehicle can be reduced and the safety performance of the vehicle can be improved by using the power battery 1 .
  • busbar bracket assembly 100 The busbar bracket assembly 100, the power battery 1 and other structures and operations of the vehicle according to the embodiment of the present invention are all known to those of ordinary skill in the art and will not be described in detail here.
  • features defined by “first” and “second” may explicitly or implicitly include one or more of these features, which are used to distinguish and describe features without distinction of order or importance.
  • connection should be understood in a broad sense.
  • it can be a fixed connection or a removable connection.
  • Detachable connection, or integral connection 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 an internal connection between two components.
  • connection should be understood in specific situations.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

A busbar support assembly, a power battery, and a vehicle. The busbar support assembly comprises: a wire-harness isolation plate; a plurality of battery cell busbars, wherein a limiting structure is arranged between each battery cell busbar and the wire-harness isolation plate, and each battery cell busbar is arranged on the wire-harness isolation plate by means of the limiting structure; and a module sampling assembly, which is arranged on the wire-harness isolation plate and is electrically connected to the plurality of battery cell busbars. By means of arranging the limiting structures between the battery cell busbars and the wire-harness isolation plate, the battery cell busbars can be detachably mounted on the wire-harness isolation plate, and the mounting mode is more simple and convenient; in addition, a damaged battery cell busbar can be replaced, so that the battery cell busbars have a higher utilization rate, thereby reducing the waste of the battery cell busbars, and saving on the production costs.

Description

汇流排支架总成、动力电池及车辆Busbar bracket assembly, power battery and vehicle 技术领域Technical field
本实用新型涉及动力电池领域，尤其是涉及一种汇流排支架总成、动力电池及车辆。The utility model relates to the field of power batteries, and in particular to a bus bracket assembly, a power battery and a vehicle.
背景技术Background technique
现如今，电动汽车是当前汽车工业发展的一个热门方向，其中，动力电池是电动汽车中的核心***。动力电池通过高压端输出动力，为汽车形式提供能量；通过低压插件将采集的电池信号输出，为电池的安全提供保障。Nowadays, electric vehicles are a popular direction in the development of the automobile industry, and power batteries are the core system in electric vehicles. The power battery outputs power through the high-voltage terminal to provide energy for the vehicle; the collected battery signal is output through the low-voltage plug-in to ensure the safety of the battery.
但是，相关技术中，动力电池的汇流排的固定为热熔固定的形式，固定后不可拆卸。However, in the related art, the busbar of the power battery is fixed in the form of hot melt fixation, and cannot be disassembled after being fixed.
发明内容Contents of the invention
有鉴于此，本实用新型旨在提出一种汇流排支架总成，所述汇流排支架总成通过在电芯汇流排和线束隔离板之间设置限位结构，使电芯汇流排可拆卸的安装在线束隔离板上，安装方式更为简单方便。In view of this, the present utility model aims to propose a busbar bracket assembly that allows the battery core busbar to be detachable by providing a limiting structure between the battery core busbar and the wire harness isolation plate. Installed on the wire harness isolation board, the installation method is simpler and more convenient.
为达到上述目的，本实用新型的技术方案是这样实现的：In order to achieve the above purpose, the technical solution of the present invention is achieved as follows:
根据本实用新型实施例的汇流排支架总成，包括：线束隔离板；多个电芯汇流排，每个所述电芯汇流排和所述线束隔离板之间设有限位结构，每个所述电芯汇流排通过所述限位结构设在所述线束隔离板上；模组采样总成，所述模组采样总成设在所述线束隔离板上，所述模组采用总成电连接多个所述电芯汇流排。The busbar bracket assembly according to the embodiment of the present invention includes: a wire harness isolation plate; a plurality of battery core busbars, and a limiting structure is provided between each of the battery core busbars and the wire harness isolation plate. The battery core bus is arranged on the wire harness isolation plate through the limiting structure; a module sampling assembly is arranged on the wire harness isolation plate, and the module adopts an assembly circuit Connect multiple battery bus bars.
根据本实用新型实施例的汇流排支架总成，通过在电芯汇流排和线束隔离板之间设置限位结构，使得每个电芯汇流排可拆卸地安装在线束隔离板上，安装方式简单且方便，此外，还能有助于更换损坏的电芯汇流排，使得电芯汇流排具有更高的利用率，减少电芯汇流排的浪费，节省生产成本。According to the busbar bracket assembly according to the embodiment of the present invention, by setting a limiting structure between the cell busbar and the wire harness isolation plate, each cell busbar can be detachably installed on the wire harness isolation plate, and the installation method is simple. And it is convenient. In addition, it can also help replace damaged battery bus bars, so that the battery bus bars have a higher utilization rate, reduce the waste of battery bus bars, and save production costs.
另外，根据本实用新型上述实施例的汇流排支架总成还可以具有如下附加的技术特征：In addition, the busbar bracket assembly according to the above embodiment of the present invention may also have the following additional technical features:
根据本实用新型的一些实施例，所述限位结构包括：卡扣，所述卡扣设在所述线束隔离板上，所述卡扣设在对应的所述电芯汇流排的至少一相对两侧，所述卡扣用于卡接在所述电芯汇流排上。According to some embodiments of the present invention, the limiting structure includes: a buckle, the buckle is provided on the wire harness isolation plate, and the buckle is provided on at least one opposite side of the corresponding battery core bus bar. On both sides, the buckles are used to snap onto the battery cell busbar.
根据本实用新型的一些实施例，所述电芯汇流排的长度方向的两端和/或宽度方向的两端均设有所述卡扣。According to some embodiments of the present invention, the buckles are provided at both ends of the battery cell bus in the length direction and/or at both ends in the width direction.
根据本实用新型的一些实施例，所述电芯汇流排的长度方向的两端设有倒角和凹部，所述线束隔离板对应每个所述电芯汇流排设有第一限位部和第二限位部，所述第一限位部和所述倒角的数量相等且对应设置，所述第二限位部和所述凹部的数量相等且对应设置。According to some embodiments of the present invention, both ends of the battery bus bar in the length direction are provided with chamfers and recesses, and the wire harness isolation plate is provided with a first limiting portion corresponding to each of the battery bus bars. The second limiting part, the number of the first limiting part and the chamfer is equal and arranged correspondingly, and the number of the second limiting part and the recessed part is equal and arranged correspondingly.
根据本实用新型的一些实施例，所述倒角和所述凹部均对应设有所述卡扣，所述卡扣卡接在对应的所述倒角或所述凹部上。According to some embodiments of the present invention, the chamfer and the recess are each provided with the buckle, and the buckle is engaged with the corresponding chamfer or the recess.
根据本实用新型的一些实施例，所述模组采样总成包括：采样电路，多个所述电芯汇流排为两排，两排所述电芯汇流排设在所述采样电路的长度方向的两侧，所述采样电路上设有接电脚，所述接电脚的数量和所述电芯汇流排的数量相等且对应设置；低压端子，所述低压端子电连接所述采样电路。According to some embodiments of the present invention, the module sampling assembly includes: a sampling circuit, a plurality of the battery bus bars are arranged in two rows, and the two rows of battery bus bars are arranged in the length direction of the sampling circuit On both sides of the sampling circuit, the sampling circuit is provided with electrical connection pins, the number of the electrical connection pins is equal to the number of the battery core bus bars and is arranged correspondingly; low-voltage terminals, the low-voltage terminals are electrically connected to the sampling circuit.
根据本实用新型的一些实施例，所述线束隔离板上设有支撑座，所述汇流排支架总成还包括补强板，所述补强板热铆固定在所述支撑座上，所述低压端子设在所述补强板上。According to some embodiments of the present invention, the wire harness isolating plate is provided with a support base, and the busbar bracket assembly also includes a reinforcing plate, and the reinforcing plate is thermally riveted to the support base, and the Low-voltage terminals are provided on the reinforcing plate.
根据本实用新型的一些实施例，所述低压端子具有与插接件装配的插拔方向，所述支撑座上设有位于所述插拔方向两端的第一凸部和第二凸部，所述补强板设在所述第一凸部和所述第二凸部之间。According to some embodiments of the present invention, the low-voltage terminal has a plug-in and pull-out direction for assembly with the connector, and the support base is provided with a first convex portion and a second convex portion located at both ends of the plug-in and pull-out direction, so The reinforcing plate is provided between the first convex part and the second convex part.
根据本实用新型的一些实施例，所述支撑座上设有卡接部，所述卡接部用于卡接在动力电池的模组端板上。According to some embodiments of the present invention, the support base is provided with a snap-in portion, and the snap-in portion is used to snap into the module end plate of the power battery.
本实用新型的另一个目的在于提出一种动力电池，包括上述任一项所述的汇流排支架总成。Another object of the present invention is to provide a power battery including the busbar bracket assembly described in any one of the above.
根据本实用新型实施例的动力电池，通过设置该汇流排支架总成，可以实现汇流排支架总成中电芯汇流排与线束隔离板之间的可拆卸安装，提高装配效率，降低维修成本。According to the power battery according to the embodiment of the present invention, by providing the busbar bracket assembly, the detachable installation between the cell busbar and the wire harness isolation plate in the busbar bracket assembly can be realized, thereby improving assembly efficiency and reducing maintenance costs.
为达到上述目的，本实用新型的技术方案是这样实现的：In order to achieve the above purpose, the technical solution of the present invention is achieved as follows:
一种车辆，包括上述的动力电池。A vehicle includes the above-mentioned power battery.
根据本实用新型实施例的车辆，通过使用该动力电池可以降低了车辆的生产成本，同时提高了车辆的安全性能。According to the vehicle according to the embodiment of the present invention, the production cost of the vehicle can be reduced and the safety performance of the vehicle can be improved by using the power battery.
所述动力电池相对于现有技术所具有的优势相同，在此不再赘述。The advantages of the power battery compared to the prior art are the same and will not be described again here.
附图说明Description of drawings
构成本实用新型的一部分的附图用来提供对本实用新型的进一步理解，本实用新型的示意性实施例及其说明用于解释本实用新型，并不构成对本实用新型的不当限定。在附图中：The drawings that constitute a part of the present utility model are used to provide a further understanding of the present utility model. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation of the present utility model. In the attached picture:
图1是根据本实用新型的动力电池的立体结构示意图。Figure 1 is a schematic three-dimensional structural diagram of a power battery according to the present invention.
图2是根据本实用新型的汇流排支架总成的立体结构示意图。Figure 2 is a schematic three-dimensional structural diagram of the busbar bracket assembly according to the present invention.
图3是根据本实用新型的汇流排支架总成的俯视图。Figure 3 is a top view of the bus bracket assembly according to the present invention.
图4是图3的A处局部放大图。FIG. 4 is a partial enlarged view of A in FIG. 3 .
图5是根据本实用新型的线束隔离板的立体结构示意图。Figure 5 is a schematic three-dimensional structural diagram of a wire harness isolation plate according to the present invention.
图6是图5的B处局部放大图。FIG. 6 is a partial enlarged view of B in FIG. 5 .
图7是根据本实用新型的模组采样总成的立体结构示意图。Figure 7 is a schematic three-dimensional structural diagram of the module sampling assembly according to the present invention.
图8是图7的C处局部放大图。FIG. 8 is a partial enlarged view of C in FIG. 7 .
图9是根据本实用新型的电芯汇流排的俯视图。Figure 9 is a top view of the cell bus according to the present invention.
附图标记：Reference signs:
1、动力电池；1. Power battery;
100、汇流排支架总成；100. Busbar bracket assembly;
10、线束隔离板；10a、凹槽；10b、定位孔；10c、安装槽；10d、过孔；10. Wire harness isolation plate; 10a, groove; 10b, positioning hole; 10c, mounting slot; 10d, via hole;
101、卡扣；102、第一限位部；103、第二限位部；101. Buckle; 102. First limiting part; 103. Second limiting part;
104、支撑座；1041、第一凸部；1042、第二凸部；104. Support base; 1041. First convex part; 1042. Second convex part;
20、电芯汇流排；20a、倒角；20b、凹部；20. Cell bus; 20a, chamfer; 20b, recess;
30、模组采样总成；30. Module sampling assembly;
301、采样电路；3011、接电脚；301. Sampling circuit; 3011. Connecting pin;
302、低压端子；302. Low voltage terminal;
40、补强板；40a、热铆孔；40. Reinforcement plate; 40a. Hot riveting hole;
200、电芯组；300、模组上盖；400、高压输出极组件；500、扎带；200. Battery core group; 300. Module upper cover; 400. High-voltage output pole assembly; 500. Tie;
600、模组端板。600. Module end plate.
具体实施方式Detailed ways
需要说明的是，在不冲突的情况下，本实用新型中的实施例及实施例中的特征可以相互组合。It should be noted that, as long as there is no conflict, the embodiments and features of the embodiments of the present invention can be combined with each other.
下面将参考图1-图9并结合实施例来详细说明本实用新型。The present utility model will be described in detail below with reference to Figures 1 to 9 and in conjunction with embodiments.
如图2所示，本实用新型实施例的汇流排支架总成100，包括：线束隔离板10、多个电芯汇流排20、模组采样总成30。As shown in Figure 2, the bus bracket assembly 100 of the embodiment of the present invention includes: a wire harness isolation plate 10, a plurality of battery bus bars 20, and a module sampling assembly 30.
如图2-图4所示，每个电芯汇流排20和线束隔离板10之间设有限位结构，每个电芯汇流排20通过限位结构设在线束隔离板10上。模组采样总成30设在线束隔离板10上，模组采用总成电连接多个电芯汇流排20。As shown in FIGS. 2 to 4 , a limiting structure is provided between each cell bus 20 and the wire harness isolating plate 10 , and each cell bus 20 is located on the wire harness isolating plate 10 through the limiting structure. The module sampling assembly 30 is located on the wire harness isolating plate 10, and the module uses the assembly to electrically connect multiple cell bus bars 20.
也就是说，电芯汇流排20和线束隔离板10进行装配时，每个电芯汇流排20通过对应的限位结构即可安装到线束隔离板10上，而不采用焊接或热熔方式进行连接，这样就能保证每个电芯汇流排20在线束隔离板10上易于安装或拆卸，方便电芯汇流排20的维修或更换。That is to say, when the cell bus 20 and the wire harness isolation plate 10 are assembled, each cell bus 20 can be installed on the wire harness isolation plate 10 through the corresponding limiting structure without using welding or hot melting. connection, thus ensuring that each cell bus 20 is easy to install or disassemble on the wire harness isolating plate 10, thereby facilitating the maintenance or replacement of the cell bus 20.
根据本实用新型实施例的汇流排支架总成100，通过在电芯汇流排20和线束隔离板10之间设置限位结构，使得每个电芯汇流排20可拆卸地安装在线束隔离板10上，安装方式简单且方便，此外，还能有助于更换损坏的电芯汇流排20，使得电芯汇流排20具有更高的利用率，减少电芯汇流排20的浪费，节省生产成本。According to the busbar bracket assembly 100 according to the embodiment of the present invention, a limiting structure is provided between the cell busbar 20 and the wire harness isolation plate 10 so that each cell busbar 20 can be detachably installed on the wire harness isolation plate 10 On the other hand, the installation method is simple and convenient. In addition, it can also help to replace the damaged battery bus 20, so that the battery bus 20 has a higher utilization rate, reducing the waste of the battery bus 20, and saving production costs.
在本实用新型的一些实施例中，如图2和图5所示，线束隔离板10上设有多个凹槽10a，多个凹槽10a与多个电芯汇流排20一一对应设置。In some embodiments of the present invention, as shown in FIGS. 2 and 5 , the wire harness isolation plate 10 is provided with a plurality of grooves 10 a , and the plurality of grooves 10 a are arranged in one-to-one correspondence with the plurality of battery bus bars 20 .
在本实用新型的一些实施例中，如图2和图5所示，每个凹槽10a内还设有定位孔10b，当电芯极柱通过定位孔10b与电芯汇流排20连接时，定位孔10b对电芯起到限位的作用。In some embodiments of the present invention, as shown in Figures 2 and 5, each groove 10a is also provided with a positioning hole 10b. When the battery pole is connected to the battery bus 20 through the positioning hole 10b, The positioning hole 10b plays a role in limiting the position of the battery core.
在本实用新型的一些实施例中，如图4所示，限位结构包括卡扣101，卡扣101设在线束隔离板10上，卡扣101设在对应的电芯汇流排20的至少一相对两侧，卡扣101用于卡接在电芯汇流排20上。也就是说，卡扣101设在线束隔离板10上，电芯汇流排20安装时在卡扣101的作用下被卡紧在线束隔离板10上，实现两个部件的安装固定。其中，卡扣101可以是设在对应的电芯汇流排20的一相对两侧，实现对电芯汇流排20的两端限位；卡扣101还可以是设在对应的电芯汇流排20的两个相对两侧，实现对电芯汇流排20的四端进行限位；卡扣101还可以是设在对应的电芯汇流排20的一个相对两侧加相邻的另一侧，实现对电芯汇流排20的三端进行限位。In some embodiments of the present invention, as shown in Figure 4, the limiting structure includes a buckle 101. The buckle 101 is provided on the wire harness isolation plate 10. The buckle 101 is provided on at least one of the corresponding cell bus bars 20. On the opposite sides, the buckles 101 are used to clamp on the cell bus 20 . That is to say, the buckle 101 is provided on the wire harness isolation plate 10. When the battery bus bar 20 is installed, it is clamped on the wire harness isolation plate 10 under the action of the buckle 101, thereby realizing the installation and fixation of the two components. Among them, the buckle 101 can be provided on one opposite side of the corresponding battery bus 20 to limit the two ends of the battery bus 20; the buckle 101 can also be provided on the corresponding battery bus 20. two opposite sides of the battery bus bar 20 to limit the four ends of the battery cell bus 20; the buckle 101 can also be provided on one opposite two sides of the corresponding battery bus bar 20 plus the other adjacent side to achieve Limit the three ends of the cell bus 20 .
可选地，卡扣101在电芯汇流排20的每一侧的数量可以为至少一个，根据情况可具体设置，例如，卡扣101在电芯汇流排20的每一侧设为一个、两个、三个等。Optionally, the number of buckles 101 on each side of the cell bus 20 can be at least one, which can be specifically set according to the situation. For example, the number of buckles 101 on each side of the cell bus 20 can be one or two. One, three, etc.
在本实用新型的一些实施例中，电芯汇流排20的长度方向的两端和/或宽度方向的两端均设有卡扣101。也就是说，卡扣101可以对电芯汇流排20的长度方向的两端进行限位，或者对电芯汇流排20的宽度方向的两端进行限位，又或者同时对电芯汇流排20的长度方向的两端和宽度方向的两端进行限位，以保证电芯汇流排20的安装可靠性。In some embodiments of the present invention, buckles 101 are provided at both ends of the battery bus bar 20 in the length direction and/or at both ends in the width direction. That is to say, the buckle 101 can limit both ends of the battery bus bar 20 in the length direction, or limit the positions of both ends of the battery bus bar 20 in the width direction, or it can limit the battery bus bar 20 at the same time. The two ends in the length direction and the two ends in the width direction are limited to ensure the installation reliability of the battery bus bar 20 .
例如，如图4所示，电芯汇流排20的长度方向可以是指图4中左右方向，卡扣101设在电芯汇流排20的左右两端，且每端各设有两个。For example, as shown in FIG. 4 , the length direction of the battery bus bar 20 may refer to the left and right directions in FIG. 4 . The buckles 101 are provided at the left and right ends of the battery bus bar 20 , and two buckles are provided at each end.
又例如，电芯汇流排20的长度方向可以是指图4中前后方向，卡扣101设在电芯汇流排20的前后两端，且每端各设有两个。For another example, the length direction of the battery bus bar 20 may refer to the front-to-back direction in FIG. 4 . The buckles 101 are provided at the front and rear ends of the battery bus bar 20 , and there are two buckles 101 at each end.
在本实用新型的一些实施例中，如图4、图9所示，电芯汇流排20的长度方向的两端设有倒角20a和凹部20b，线束隔离板10对应每个电芯汇流排20设有第一限位部102和第二限位部103，第一限位部102和倒角20a的数量相等且对应设置，第二限位部103和凹部20b的数量相等且对应设置。In some embodiments of the present invention, as shown in Figures 4 and 9, chamfers 20a and recesses 20b are provided at both ends of the cell bus 20 in the length direction, and the wire harness isolation plate 10 corresponds to each cell bus. 20 is provided with first limiting portions 102 and second limiting portions 103. The first limiting portions 102 and the chamfers 20a are equal in number and arranged correspondingly. The second limiting portions 103 and the recessed portions 20b are equal in number and arranged correspondingly.
具体来说，每个电芯汇流排20的长度两端(图4中左右方向)设有倒角20a和凹部20b，与之对应的，在线束隔离板10的每个凹槽10a内设有与电芯汇流排20的倒角20a对应的第一限位部102，和与电芯汇流排20的凹部20b对应的第二限位部103，第一限位部102和第二限位部103对电芯汇流排20的水平方向进行限位。Specifically, chamfers 20a and recesses 20b are provided at both ends of the length of each cell bus 20 (in the left and right directions in FIG. 4), and correspondingly, there are chamfers 20a and recesses 20b in each groove 10a of the wire harness isolation plate 10. The first limiting portion 102 corresponding to the chamfer 20a of the cell bus bar 20, and the second limiting portion 103 corresponding to the recessed portion 20b of the cell bus bar 20, the first limiting portion 102 and the second limiting portion 103 limits the horizontal direction of the cell bus 20 .
例如，如图4所示，第一限位部102可以是第一限位块，第一限位块具有与倒角20a平行设置的限位面；第二限位部103可以是第二限位块，凹部20b可以是指凹陷槽，通过这种方式，第一限位块和倒角20a、第二限位块和凹陷槽协同配合就能对电芯汇流排20的左右方向和前后方向同时进行限位。For example, as shown in Figure 4, the first limiting part 102 may be a first limiting block, and the first limiting block has a limiting surface arranged parallel to the chamfer 20a; the second limiting part 103 may be a second limiting block. The position block and the recess 20b may refer to a concave groove. In this way, the first limit block and the chamfer 20a, the second limit block and the concave groove cooperate to adjust the left and right and front and rear directions of the cell bus 20. Limit at the same time.
在本实用新型的一些实施例中，如图4所示，倒角20a和凹部20b均对应设有卡扣101，卡扣101卡接在对应的倒角20a或凹部20b上。也就是说，卡扣101可以设置在第一限位部102或第二限位部103的位置处，卡扣101卡接在电芯汇流排20的凹部20b或倒角20a上，对电芯汇流排20的竖直方向进行限位，同时，第一限位部102和第二限位部103对电芯汇流排20水平方向(图4中左右方向和前后方向)上的限位，使电芯汇流排20固定安装在线束隔离板10上。In some embodiments of the present invention, as shown in Figure 4, the chamfer 20a and the recessed portion 20b are each provided with buckles 101, and the buckles 101 are engaged with the corresponding chamfer 20a or the recessed portion 20b. That is to say, the buckle 101 can be provided at the position of the first limiting part 102 or the second limiting part 103, and the buckle 101 is clamped on the recess 20b or chamfer 20a of the battery bus bar 20, so as to protect the battery core. The bus bar 20 is limited in the vertical direction. At the same time, the first limiting part 102 and the second limiting part 103 limit the battery cell bus bar 20 in the horizontal direction (the left and right directions and the front and rear directions in Figure 4), so that The cell bus 20 is fixedly installed on the wire harness isolation plate 10 .
在本实用新型的一些实施例中，如图7所示，模组采样总成30包括：采样电路301和低压端子302。多个电芯汇流排20为两排，两排电芯汇流排20设在采样电路301的长度方向(如图7的左右方向)的两侧，采样电路301上设有接电脚3011，接电脚3011的数量和电芯汇流排20的数量相等且对应设置；低压端子302电连接采样电路301。In some embodiments of the present invention, as shown in FIG. 7 , the module sampling assembly 30 includes: a sampling circuit 301 and a low-voltage terminal 302 . The plurality of cell bus bars 20 are in two rows. The two rows of cell bus bars 20 are arranged on both sides of the sampling circuit 301 in the length direction (left and right directions in FIG. 7 ). The sampling circuit 301 is provided with electrical connection pins 3011. The number of electric pins 3011 is equal to the number of cell bus bars 20 and set accordingly; the low-voltage terminal 302 is electrically connected to the sampling circuit 301.
具体来说，多个凹槽10a在线束隔离板10的宽度方向上排成两排，多个电芯汇流排20一一对应安装在多个凹槽10a内；如图5所示，在线束隔离板10的两排凹槽10a中间设有安装槽10c，采样电路301安装在安装槽10c内，每个凹槽10a上设有与安装槽10c连通的过孔10d，安装在采样电路301上的接电脚3011通过过孔10d与电芯汇流排20连接，接电脚3011数量和电芯汇流排20的数量相等且对应设置。Specifically, the plurality of grooves 10a are arranged in two rows in the width direction of the wire harness isolation plate 10, and the plurality of cell bus bars 20 are installed in the plurality of grooves 10a one by one. As shown in Figure 5, the wire harness There is a mounting slot 10c in the middle of the two rows of grooves 10a of the isolation plate 10. The sampling circuit 301 is installed in the mounting slot 10c. Each groove 10a is provided with a through hole 10d connected to the mounting slot 10c and is installed on the sampling circuit 301. The power connection pins 3011 are connected to the cell bus 20 through the via holes 10d. The number of the power connection pins 3011 is equal to the number of the cell bus 20 and set accordingly.
具体地，采样电路301可以是指柔性电路板，柔性电路板安装在线束隔离板10上；接电脚3011可以为镍片，镍片焊接在采样电路301上，当然，接电脚3011也可以为其他能导电的材料制成，例如接电脚3011也可以为铜片等，这里不再一一赘述。Specifically, the sampling circuit 301 may refer to a flexible circuit board, and the flexible circuit board is installed on the wire harness isolation board 10; the electrical connection pin 3011 may be a nickel sheet, and the nickel sheet is welded to the sampling circuit 301. Of course, the electrical connection pin 3011 may also be It is made of other conductive materials. For example, the electrical connection pin 3011 can also be a copper sheet, etc., which will not be described again here.
在本实用新型的一些实施例中，如图2、图5、图7所示，线束隔离板10上设有支撑座104，汇流排支架总成100还包括补强板40，补强板40热铆固定在支撑座104上，低压端子302设在补强板40上。具体地，如图8所示，低压端子302底部设有多个插针(图未示出)，多个插针***补强板40内，将补强板40安装在低压端子302底部，为使补强板40安装更为紧固，还可以将胶水涂抹在补强板40和低压端子302的连接处。补强板40上设有热铆孔40a，通过热铆孔40a将补强板40热铆连接在支撑座104上。In some embodiments of the present invention, as shown in Figures 2, 5, and 7, the wire harness isolation plate 10 is provided with a support seat 104, and the busbar bracket assembly 100 also includes a reinforcing plate 40. The reinforcing plate 40 The support base 104 is fixed by heat riveting, and the low-voltage terminal 302 is provided on the reinforcing plate 40 . Specifically, as shown in Figure 8, a plurality of pins (not shown) are provided at the bottom of the low-voltage terminal 302. The plurality of pins are inserted into the reinforcing plate 40. The reinforcing plate 40 is installed at the bottom of the low-voltage terminal 302. To make the reinforcing plate 40 more securely installed, glue can also be applied to the connection between the reinforcing plate 40 and the low-voltage terminal 302 . The reinforcing plate 40 is provided with hot riveting holes 40a, and the reinforcing plate 40 is hot riveted to the support base 104 through the hot riveting holes 40a.
如图5、图6所示，在本实用新型的一些实施例中，低压端子302具有与插接件装配的插拔方向(如图5中的左右方向)，支撑座104上设有位于插拔方向两端的第一凸部1041和第二凸部1042，补强板40设在第一凸部1041和第二凸部1042之间。也就是说，当插接件***低压端子302时，第一凸部1041能对补强板40进行限位；当插接件拔出低压端子302时，第二凸部1042能对补强板40进行限位。As shown in Figures 5 and 6, in some embodiments of the present invention, the low-voltage terminal 302 has a plug-in and pull-out direction for assembling with the plug connector (the left and right directions in Figure 5), and the support base 104 is provided with a plug-in connector. The reinforcing plate 40 is provided between the first convex part 1041 and the second convex part 1042 at both ends in the pulling direction. That is to say, when the plug connector is inserted into the low-voltage terminal 302, the first protrusion 1041 can limit the reinforcing plate 40; when the plug connector is pulled out of the low-voltage terminal 302, the second protrusion 1042 can limit the reinforcing plate 40. 40 for limit.
具体地，第一凸部1041和第二凸部1042可以单独设在支撑座104的相对两侧，例如图6中左右两侧，支撑座104上也可以设置环形凸边，并在支撑座104的顶面形成槽，此时，第一凸部1041和第二凸部1042为环形凸边的左右两个凸边，补强板40安装在槽内。Specifically, the first convex portion 1041 and the second convex portion 1042 can be separately provided on opposite sides of the support base 104, such as the left and right sides in Figure 6. An annular convex edge can also be provided on the support base 104, and the support base 104 can also be provided with an annular convex edge. A groove is formed on the top surface of the groove. At this time, the first convex part 1041 and the second convex part 1042 are the left and right convex edges of the annular convex edge, and the reinforcing plate 40 is installed in the groove.
在本实用新型的一些实施例中，支撑座104上设有卡接部(图未示出)，卡接部用于卡接在动力电池1的模组端板600上。具体地，模组端板600上可以设有与卡接部相配合的固定卡槽(图未示出)，支撑座104通过卡接部与固定卡槽相配合安装在模组端板600上，安装或拆卸比较简单。In some embodiments of the present invention, the support base 104 is provided with a snap-in portion (not shown), and the snap-in portion is used to snap into the module end plate 600 of the power battery 1 . Specifically, the module end plate 600 may be provided with a fixed slot (not shown) that matches the clamping portion, and the support base 104 is installed on the module end plate 600 through the clamping portion and the fixed slot. , installation or disassembly is relatively simple.
下面结合附图，描述本实用新型的汇流排支架总成100的一个具体实施例。A specific embodiment of the busbar bracket assembly 100 of the present invention will be described below with reference to the accompanying drawings.
如图2至图9所示，汇流排支架总成100包括：线束隔离板10、电芯汇流排20、模组采样总成30、补强板40。As shown in FIGS. 2 to 9 , the bus bracket assembly 100 includes: a wire harness isolation plate 10 , a battery bus 20 , a module sampling assembly 30 , and a reinforcing plate 40 .
电芯汇流排20为十二个，沿前后方向设为两排，每排为六个，其中，每个电芯汇流排20和线束隔离板10之间设有限位结构，每个电芯汇流排20通过限位结构设在线束隔离板10上；模组采样总成30设在线束隔离板10上，模组采用总成电连接多个电芯汇流排20。There are twelve battery core bus bars 20 , and they are arranged in two rows along the front and rear direction, with six in each row. Among them, a limiting structure is provided between each battery core bus bar 20 and the wire harness isolation plate 10 . The row 20 is arranged on the wire harness isolation plate 10 through the limiting structure; the module sampling assembly 30 is arranged on the wire harness isolation plate 10, and the module uses the assembly to electrically connect multiple cell bus bars 20.
电芯汇流排20的左右两端设有倒角20a和凹部20b，线束隔离板10对应每个电芯汇流排20设有第一限位部102和第二限位部103，第一限位部102和倒角20a的数量相等且对应设置，第二限位部103和凹部20b的数量相等且对应设置。The left and right ends of the cell bus 20 are provided with chamfers 20a and recesses 20b. The wire harness isolation plate 10 is provided with a first limiter 102 and a second limiter 103 corresponding to each cell bus 20. The first limiter The numbers of the portions 102 and the chamfers 20a are equal and correspondingly arranged, and the second limiting portions 103 and the recessed portions 20b are equal in number and arranged correspondingly.
限位结构包括卡扣101，卡扣101设在线束隔离板10上对应的电芯汇流排20的倒角20a和凹部20b的位置处，卡扣101卡接在对应的电芯汇流排20的倒角20a和凹部20b上。The limiting structure includes buckles 101. The buckles 101 are located at the chamfers 20a and recesses 20b of the corresponding battery bus bars 20 on the wire harness isolation plate 10. The buckles 101 are connected to the chamfers 20a and recesses 20b of the corresponding battery bus bars 20. chamfer 20a and recess 20b.
模组采样总成30包括采样电路301和低压端子302。采样电路301上设有接电脚3011，接电脚3011的数量和电芯汇流排20的数量相等且对应设置；低压端子302电连接采样电路301。The module sampling assembly 30 includes a sampling circuit 301 and a low-voltage terminal 302. The sampling circuit 301 is provided with electrical connection pins 3011. The number of the electrical connection pins 3011 is equal to the number of the cell bus bars 20 and is arranged correspondingly; the low voltage terminal 302 is electrically connected to the sampling circuit 301.
采样电路301为柔性电路板，并且热铆连接在线束隔离板10上，接电脚3011采用镍片焊接在柔性电路板上。The sampling circuit 301 is a flexible circuit board, and is thermally riveted to the wire harness isolation board 10. The electrical connection pin 3011 is welded to the flexible circuit board using nickel sheets.
线束隔离板10上设有支撑座104，补强板40热铆固定在支撑座104上，低压端子302设在补强板40上。The wire harness isolation plate 10 is provided with a support base 104 , the reinforcing plate 40 is thermally riveted and fixed on the support base 104 , and the low-voltage terminal 302 is provided on the reinforcing plate 40 .
低压端子302具有与插接件装配的插拔方向，支撑座104顶面四周设有高出补强板40的环形凸部，环形凸部的位于插拔方向的两端为第一凸部1041和第二凸部1042，补强板40设在第一凸部1041和所述第二凸部1042之间。The low-voltage terminal 302 has a plug-in and pull-out direction for assembling with the connector. The top surface of the support base 104 is surrounded by an annular protrusion that is higher than the reinforcing plate 40 . The two ends of the annular protrusion in the plug-in and pull-out direction are first protrusions 1041 and the second convex part 1042, and the reinforcing plate 40 is provided between the first convex part 1041 and the second convex part 1042.
支撑座104与线束隔离板10一体注塑成型，支撑座104上设有卡接部，卡接部用于卡接在动力电池1的模组端板600上。The support base 104 and the wire harness isolation plate 10 are integrally injection molded. The support base 104 is provided with a snap-in portion, and the snap-in portion is used to snap onto the module end plate 600 of the power battery 1 .
根据本实用新型实施例的动力电池1，包括上述任一项的汇流排支架总成100。The power battery 1 according to the embodiment of the present invention includes any one of the busbar bracket assembly 100 mentioned above.
需要说明的是，动力电池1的结构不限于包括汇流排支架总成100，还包括其他部件，其他构成以及操作对于本领域普通技术人员而言都是已知的。It should be noted that the structure of the power battery 1 is not limited to including the bus bracket assembly 100, but also includes other components, and other structures and operations are known to those of ordinary skill in the art.
例如，如图1所示，动力电池1还可以包括电芯组200、模组端板600、模组上盖300、高压输出极组件400和扎带500。其中，汇流排支架总成100安装在电芯组200上，电芯组200的电芯极柱通过定位孔10b与电芯汇流排20连接；高压输出极组件400连接在汇流排支架总成100两端；模组上盖300覆盖在汇流排支架总成100上；模组端板600与汇流排支架总成100的支撑座104连接；扎带500沿着汇流排支架总成100长度方向(如图1的左右方向)将电芯组200和模组端板600缠绕紧固在一起。For example, as shown in FIG. 1 , the power battery 1 may also include a battery pack 200 , a module end plate 600 , a module upper cover 300 , a high-voltage output pole assembly 400 and a tie tie 500 . Among them, the bus bracket assembly 100 is installed on the battery pack 200, and the battery poles of the battery pack 200 are connected to the battery bus 20 through the positioning holes 10b; the high-voltage output pole assembly 400 is connected to the bus bracket assembly 100 Both ends; the module upper cover 300 covers the busbar bracket assembly 100; the module end plate 600 is connected to the support seat 104 of the busbar bracket assembly 100; the tie tie 500 is along the length direction of the busbar bracket assembly 100 ( As shown in the left and right directions in Figure 1 ), the battery core group 200 and the module end plate 600 are wound and fastened together.
当然，这里只是举例说明，动力电池1还可以是其他结构形式，这里不再赘述。Of course, this is just an example, and the power battery 1 can also have other structural forms, which will not be described again here.
根据本实用新型实施例的动力电池1，通过设置该汇流排支架总成100，可以实现汇流排支架总成100中电芯汇流排20与线束隔离板10之间的可拆卸安装，提高装配效率，降低维修成本。According to the power battery 1 according to the embodiment of the present invention, by arranging the busbar bracket assembly 100, the detachable installation between the cell busbar 20 and the wire harness isolation plate 10 in the busbar bracket assembly 100 can be realized, thereby improving assembly efficiency. , reduce maintenance costs.
根据本实用新型实施例的车辆，包括上述的动力电池1。A vehicle according to an embodiment of the present invention includes the above-mentioned power battery 1 .
车辆可以是指新能源车辆，动力电池1作为动力装置，可以为车辆提供行驶动力，例如，动力电池1可以为新能源车辆中的电机和用电设备进行供电。The vehicle may refer to a new energy vehicle, and the power battery 1 serves as a power device and can provide driving power for the vehicle. For example, the power battery 1 can supply power to the motor and electrical equipment in the new energy vehicle.
根据本实用新型实施例的车辆，通过使用该动力电池1可以降低了车辆的生产成本，同时提高了车辆的安全性能。According to the vehicle according to the embodiment of the present invention, the production cost of the vehicle can be reduced and the safety performance of the vehicle can be improved by using the power battery 1 .
根据本实用新型实施例的汇流排支架总成100、动力电池1及车辆的其他构成以及操作对于本领域普通技术人员而言都是已知的，这里不再详细描述。The busbar bracket assembly 100, the power battery 1 and other structures and operations of the vehicle according to the embodiment of the present invention are all known to those of ordinary skill in the art and will not be described in detail here.
在本实用新型的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“顺时针”、“逆时针”、“轴向”、“径向”、“周向”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本实用新型和简化描述，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实用新型的限制。In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inside", "Outside", "Clockwise", "Counterclockwise", "Axis" ", "radial direction", "circumferential direction", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply what is meant. Devices or components must have a specific orientation, be constructed and operate in a specific orientation and therefore are not to be construed as limitations of the invention.
此外，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征，用于区别描述特征，无顺序之分，无轻重之分。In addition, features defined by "first" and "second" may explicitly or implicitly include one or more of these features, which are used to distinguish and describe features without distinction of order or importance.
在本实用新型的描述中，除非另有说明，“多个”的含义是两个或两个以上。In the description of the present invention, unless otherwise stated, the meaning of "plurality" is two or more.
在本实用新型的描述中，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。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实用新型中的具体含义。In the description of the present utility model, it should be noted that, unless otherwise clearly stated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection or a removable connection. Detachable connection, or 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 an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.
以上仅为本实用新型的较佳实施例而已，并不用以限制本实用新型，凡在本实用新型的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本实用新型的保护范围之内。The above are only preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the present utility model. Within the scope of new protection.

Claims (11)

  1. 一种汇流排支架总成，其特征在于，包括：A bus bracket assembly, which is characterized in that it includes:
    线束隔离板(10)；Harness isolation board(10);
    多个电芯汇流排(20)，每个所述电芯汇流排(20)和所述线束隔离板(10)之间设有限位结构，每个所述电芯汇流排(20)通过所述限位结构设在所述线束隔离板(10)上；A plurality of battery core bus bars (20), a limiting structure is provided between each battery core bus bar (20) and the wire harness isolation plate (10), and each battery core bus bar (20) passes through The limiting structure is provided on the wire harness isolation plate (10);
    模组采样总成(30)，所述模组采样总成(30)设在所述线束隔离板(10)上，所述模组采用总成电连接多个所述电芯汇流排(20)。Module sampling assembly (30). The module sampling assembly (30) is located on the wiring harness isolation plate (10). The module uses an assembly to electrically connect multiple battery core bus bars (20). ).
  2. 根据权利要求1所述的汇流排支架总成，其特征在于，所述限位结构包括：卡扣(101)，所述卡扣(101)设在所述线束隔离板(10)上，所述卡扣(101)设在对应的所述电芯汇流排(20)的至少一相对两侧，所述卡扣(101)用于卡接在所述电芯汇流排(20)上。The busbar bracket assembly according to claim 1, characterized in that the limiting structure includes: a buckle (101), the buckle (101) is provided on the wire harness isolation plate (10), so The buckles (101) are provided on at least one opposite two sides of the corresponding battery cell bus (20), and the buckles (101) are used to snap onto the battery bus (20).
  3. 根据权利要求2所述的汇流排支架总成，其特征在于，所述电芯汇流排(20)的长度方向的两端和/或宽度方向的两端均设有所述卡扣(101)。The busbar bracket assembly according to claim 2, characterized in that the buckles (101) are provided at both ends of the battery cell busbar (20) in the length direction and/or at both ends in the width direction. .
  4. 根据权利要求3所述的汇流排支架总成，其特征在于，所述电芯汇流排(20)的长度方向的两端设有倒角(20a)和凹部(20b)，所述线束隔离板(10)对应每个所述电芯汇流排(20)设有第一限位部(102)和第二限位部(103)，所述第一限位部(102)和所述倒角(20a)的数量相等且对应设置，所述第二限位部(103)和所述凹部(20b)的数量相等且对应设置。The busbar bracket assembly according to claim 3, characterized in that, both ends of the battery cell busbar (20) in the length direction are provided with chamfers (20a) and recesses (20b), and the wire harness isolation plate (10) A first limiting part (102) and a second limiting part (103) are provided corresponding to each battery cell bus (20). The first limiting part (102) and the chamfer (20a) are equal in number and arranged correspondingly, and the second limiting portion (103) and the recessed portion (20b) are equal in number and arranged correspondingly.
  5. 根据权利要求4所述的汇流排支架总成，其特征在于，所述倒角(20a)和所述凹部(20b)均对应设有所述卡扣(101)，所述卡扣(101)卡接在对应的所述倒角(20a)或所述凹部(20b)上。The busbar bracket assembly according to claim 4, characterized in that the chamfer (20a) and the recess (20b) are each provided with the buckle (101), and the buckle (101) It is clamped on the corresponding chamfer (20a) or the recess (20b).
  6. 根据权利要求1所述的汇流排支架总成，其特征在于，所述模组采样总成(30)包括：The busbar bracket assembly according to claim 1, characterized in that the module sampling assembly (30) includes:
    采样电路(301)，多个所述电芯汇流排(20)为两排，两排所述电芯汇流排(20)设在所述采样电路(301)的长度方向的两侧，所述采样电路(301)上设有接电脚(3011)，所述接电脚(3011)的数量和所述电芯汇流排(20)的数量相等且对应设置；In the sampling circuit (301), a plurality of the battery bus bars (20) are arranged in two rows, and the two rows of the battery bus bars (20) are arranged on both sides of the length direction of the sampling circuit (301). The sampling circuit (301) is provided with power connection pins (3011), the number of the power connection pins (3011) is equal to the number of the battery core bus bars (20) and is set correspondingly;
    低压端子(302)，所述低压端子(302)电连接所述采样电路(301)。Low-voltage terminal (302), the low-voltage terminal (302) is electrically connected to the sampling circuit (301).
  7. 根据权利要求6所述的汇流排支架总成，其特征在于，所述线束隔离板(10)上设有支撑座(104)，所述汇流排支架总成(100)还包括补强板(40)，所述补强板(40)热铆固定在所述支撑座(104)上，所述低压端子(302)设在所述补强板(40)上。The busbar bracket assembly according to claim 6, characterized in that the wire harness isolation plate (10) is provided with a support seat (104), and the busbar bracket assembly (100) further includes a reinforcing plate ( 40), the reinforcing plate (40) is hot-riveted on the support seat (104), and the low-voltage terminal (302) is provided on the reinforcing plate (40).
  8. 根据权利要求7所述的汇流排支架总成，其特征在于，所述低压端子(302)具有与插接件装配的插拔方向，所述支撑座(104)上设有位于所述插拔方向两端的第一凸部(1041)和第二凸部(1042)，所述补强板(40)设在所述第一凸部(1041)和所述第二凸部(1042)之间。The busbar bracket assembly according to claim 7, characterized in that the low-voltage terminal (302) has a plug-in and pull-out direction for assembly with the plug connector, and the support base (104) is provided with a plug-in and pull-out position. The first convex part (1041) and the second convex part (1042) at both ends of the direction, the reinforcing plate (40) is provided between the first convex part (1041) and the second convex part (1042) .
  9. 根据权利要求7所述的汇流排支架总成，其特征在于，所述支撑座(104)上设有卡接部，所述卡接部用于卡接在动力电池(1)的模组端板(600)上。The busbar bracket assembly according to claim 7, characterized in that the support base (104) is provided with a snap-in portion, and the snap-in portion is used to snap into the module end of the power battery (1). On board (600).
  10. 一种动力电池，其特征在于，包括：权利要求1至9中任一项所述的汇流排支架总成(100)。A power battery, characterized by comprising: the bus bracket assembly (100) according to any one of claims 1 to 9.
  11. 一种车辆，其特征在于，包括权利要求10所述的动力电池(1)。A vehicle, characterized by comprising the power battery (1) according to claim 10.
PCT/CN2023/114166 2022-08-22 2023-08-22 Busbar support assembly, power battery, and vehicle WO2024041500A1 (en)

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Publication number Priority date Publication date Assignee Title
CN218101620U (en) * 2022-08-22 2022-12-20 蜂巢能源科技股份有限公司 Busbar support assembly, power battery and vehicle

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CN208028110U (en) * 2018-02-26 2018-10-30 长城汽车股份有限公司 Harness isolation board and power battery pack
CN111435725A (en) * 2019-12-24 2020-07-21 蜂巢能源科技有限公司 Power battery, bus bar assembly of power battery and processing method of bus bar assembly
CN217086809U (en) * 2021-12-14 2022-07-29 东软睿驰汽车技术（沈阳）有限公司 Bus bar for battery module and battery module
CN217182368U (en) * 2022-04-27 2022-08-12 重庆金康赛力斯新能源汽车设计院有限公司 Bus bar support for power battery
CN218101620U (en) * 2022-08-22 2022-12-20 蜂巢能源科技股份有限公司 Busbar support assembly, power battery and vehicle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN208028110U (en) * 2018-02-26 2018-10-30 长城汽车股份有限公司 Harness isolation board and power battery pack
CN111435725A (en) * 2019-12-24 2020-07-21 蜂巢能源科技有限公司 Power battery, bus bar assembly of power battery and processing method of bus bar assembly
CN217086809U (en) * 2021-12-14 2022-07-29 东软睿驰汽车技术（沈阳）有限公司 Bus bar for battery module and battery module
CN217182368U (en) * 2022-04-27 2022-08-12 重庆金康赛力斯新能源汽车设计院有限公司 Bus bar support for power battery
CN218101620U (en) * 2022-08-22 2022-12-20 蜂巢能源科技股份有限公司 Busbar support assembly, power battery and vehicle

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