CN218849675U

CN218849675U - Lithium battery support structure

Info

Publication number: CN218849675U
Application number: CN202223294672.7U
Authority: CN
Inventors: 施敏捷; 谢伟; 马金鹏
Original assignee: Suzhou Jk Energy Ltd
Current assignee: Suzhou Jingkong Energy Technology Co ltd
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-04-11
Anticipated expiration: 2032-12-08

Abstract

The utility model discloses a lithium battery support structure, include: support, busbar and sampling terminal. A plurality of through grooves are formed in the support at intervals, and the battery cell tabs are suitable for penetrating through the through grooves. The support is also fixedly provided with a circuit board. A plurality of busbars are fixedly arranged on the support at intervals, the edge parts of the busbars are arranged on one side of the through groove, and the busbars are suitable for being electrically connected with the electric core lugs. At least one sampling terminal is arranged on the support, one end of each sampling terminal is electrically connected with any bus bar, and the other end of each sampling terminal is electrically connected with the circuit board. A large number of bus bars and sampling terminals do not need to be repeatedly installed during assembly, the assembly process of the battery module is simplified, and the installation efficiency of the battery module is improved.

Description

Lithium battery support structure

Technical Field

The utility model relates to a lithium cell technical field, concretely relates to lithium cell supporting structure.

Background

The battery module is formed by connecting single batteries in series, in parallel or in series-parallel, has only a battery assembly with a pair of positive and negative output terminals, and preferably comprises a shell, a management and protection device and other components.

Among the prior art, when assembling the battery module, need fix electric core on electric core support earlier and pile up the completion back to electric core, be connected the utmost point ear and the busbar electricity of electric core again, make the electric core in the battery module establish ties or parallelly connected. Then, a sampling terminal is provided on the bus bar, and the sampling terminal is connected to the circuit board. Along with the increase of electric core quantity, the number of busbar and sampling terminal also increases thereupon, causes battery module assembly process complicacy, leads to battery module installation effectiveness lower.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming equipment battery module among the prior art and need installing a plurality of busbars and sampling terminal, causes battery module equipment process complicated, leads to battery module installation effectiveness lower.

Therefore, the utility model provides a lithium battery support structure, include:

the support is provided with a plurality of through grooves for the lugs of the power supply core to penetrate through at intervals; a circuit board is fixedly arranged on the bracket;

the plurality of busbars are fixedly arranged on the support at intervals, and the edge parts of the busbars are positioned on one side of the through grooves and are suitable for being electrically connected with the battery cell tabs;

and one end of the sampling terminal is electrically connected with any bus bar, and the other end of the sampling terminal is electrically connected with the circuit board.

Furthermore, an avoidance groove is formed in the busbar, the notch of the avoidance groove is larger than that of the through groove, and the avoidance groove is at least covered with one through groove.

Furthermore, a plurality of fixing pieces are fixedly arranged on one side of the bracket, which is in contact with the battery cell, at intervals, and the battery cell is suitable to be clamped between every two adjacent fixing pieces; and a guide part is arranged on the contact surface of the fixing part, which is contacted with the battery core.

Further, the guide part is an inclined surface.

Further, a plurality of mounting pieces are arranged on the bracket at intervals;

and the bus bar is provided with mounting holes corresponding to the mounting pieces.

Further, the mounting member is a hot melt member.

Further, the circuit board is disposed in the bracket middle area, and the bus bar is disposed around the circuit board.

Furthermore, the device also comprises a temperature acquisition part; one end of the temperature acquisition part is electrically connected with the circuit board, and the other end of the temperature acquisition part is suitable for being in contact with the battery core.

Furthermore, a connecting hole is formed in the support corresponding to the temperature collecting piece.

Further, busbar, sampling terminal and circuit board are located support one side, the support opposite side and electric core contact.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a lithium battery support structure, include: support, busbar and sampling terminal. A plurality of through grooves are formed in the support at intervals, and the battery cell tabs are suitable for penetrating through the through grooves. The support is also fixedly provided with a circuit board. A plurality of busbars are fixedly arranged on the support at intervals, the edge parts of the busbars are arranged on one side of the through groove, and the busbars are suitable for being electrically connected with the electric core lugs. At least one sampling terminal is arranged on the support, one end of each sampling terminal is electrically connected with any bus bar, and the other end of each sampling terminal is electrically connected with the circuit board.

According to the lithium battery support structure, the support is provided with the through groove for the battery core lug to penetrate through, the bus bar is fixedly arranged on the support in advance, and the edge part of the bus bar is arranged on one side of the through groove so as to be electrically connected with the battery core lug. The sampling terminal is electrically connected with the bus bar and the circuit board respectively. When equipment battery module, electric core piles up the completion back, with the support setting in the utmost point ear side of electric core, makes electric core utmost point ear wear out from running through the groove, is connected electric core utmost point ear and the busbar electricity of fixing in advance, fixes the support on battery module at last, accomplishes the equipment of battery module. A large number of bus bars and sampling terminals do not need to be repeatedly installed during assembly, the assembly process of the battery module is simplified, and the installation efficiency of the battery module is improved.

2. The utility model provides a lithium battery support structure sets up on the busbar and dodges the groove, and wherein the notch of dodging the groove is greater than the notch that runs through the groove, dodges the groove and covers at least and establish one and run through the groove. Owing to dodge the groove cover and establish and run through the groove, so electric core utmost point ear can pass simultaneously and run through the groove and dodge the groove to be connected with the busbar electricity in electric core utmost point ear, improve the installation effectiveness of battery module.

3. The utility model provides a lithium battery support structure, one side of support and electric core contact sets up a plurality of mountings, and a plurality of mounting intervals set up. The clearance between two adjacent mountings can be blocked and is established electric core. And a guide part is arranged on the contact surface of the fixing part contacted with the battery cell. The battery cell is clamped through the fixing part to ensure that the battery cell is fixed and stable. Can lead to electric core utmost point ear through the guide part on the mounting to electric core utmost point ear penetrates and runs through the groove, so that electric core utmost point ear is connected with the busbar electricity, improves the installation effectiveness of battery module.

4. The utility model provides a lithium battery support structure, guide part are the inclined plane, lead to electric core utmost point ear through the slope, make electric core utmost point ear be connected with the busbar electricity, further improve the installation effectiveness of battery module.

5. The utility model provides a lithium battery support structure, the interval sets up a plurality of installed parts on the support, and the busbar corresponds the installed part and sets up the mounting hole, passes the mounting hole through the installed part and fixes the busbar, guarantees that the busbar is fixed firmly on the support.

6. The utility model provides a lithium battery support structure, installed part are the hot melt spare, fix the busbar through the hot melt, improve the installation effectiveness of busbar on the support.

7. The utility model provides a lithium battery support structure, circuit board setting are regional in the middle of the support, and the busbar sets up around the circuit board to sampling terminal on the busbar is connected with the circuit board electricity.

8. The utility model provides a lithium battery support structure still includes the temperature acquisition spare, and the one end and the circuit board electricity of temperature acquisition spare are connected, and the other end contacts with electric core, gathers the temperature of electric core through the temperature acquisition spare, fixes the temperature acquisition spare on the support in advance, improves the installation effectiveness of battery module.

9. The utility model provides a lithium battery support structure corresponds temperature acquisition spare on the support and sets up the connecting hole, makes temperature acquisition spare can penetrate connecting hole and electric core contact.

10. The utility model provides a lithium battery support structure, busbar, sampling terminal and circuit board set up in one side of support, support opposite side and electric core contact. The bus bar, the sampling terminal and the circuit board are arranged on one side of the support, so that the bus bar, the sampling terminal and the circuit board can be conveniently arranged on the support.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a lithium battery support structure in embodiment 1 of the present invention;

fig. 2 is a schematic structural diagram of a support in a lithium battery support structure according to embodiment 1 of the present invention;

fig. 3 is a schematic structural diagram of a lithium battery support structure in embodiment 1 of the present invention;

fig. 4 is a schematic structural view of a bus bar in a lithium battery support structure according to embodiment 1 of the present invention.

Description of reference numerals:

1. a support; 101. a mounting member; 102. a through groove; 103. connecting holes; 104. a fixing member; 2. a bus bar; 201. an avoidance groove; 202. mounting holes; 3. a sampling terminal; 4. a circuit board; 5. a connector; 6. a positive electrode; 7. a negative electrode; 8. a temperature acquisition member.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Example 1

The present embodiment provides a lithium battery support structure, as shown in fig. 1, including: bracket 1, busbar 2 and sampling terminal 3. A plurality of through grooves 102 are formed in the bracket 1 at intervals, and the battery cell tabs are suitable for penetrating through the through grooves 102. The support 1 is also fixedly provided with a circuit board 4. A plurality of busbars 2 are fixedly arranged on the support 1 at intervals, the edge portions of the busbars 2 are arranged on one side of the through groove 102, and the busbars 2 are suitable for being electrically connected with the battery cell tabs. At least one sampling terminal 3 is arranged on the bracket 1, one end of the sampling terminal 3 is electrically connected with any bus bar 2, and the other end of the sampling terminal 3 is electrically connected with the circuit board 4. The voltage of the cell is collected through the sampling terminal 3. Each bus bar 2 can be provided with a sampling terminal 3 for collecting voltage of each cell; one sampling terminal 3 may be provided to a plurality of busbars 2.

In the lithium battery support structure, the support 1 is provided with a through groove 102 for the battery core lug to pass through, the bus bar 2 is fixedly arranged on the support 1 in advance, and the edge part of the bus bar 2 is arranged on one side of the through groove 102 so as to be electrically connected with the battery core lug. The sampling terminals 3 are electrically connected to the bus bar 2 and the circuit board 4, respectively. When assembling the battery module, electric core piles up the completion back, with support 1 setting in the utmost point ear side of electric core, makes electric core utmost point ear wear out from running through groove 102, is connected electric core utmost point ear and 2 fixed busbar electricity in advance, fixes support 1 on the battery module at last, accomplishes the equipment of battery module. A large number of bus bars 2 and sampling terminals 3 do not need to be repeatedly installed during assembly, the assembly process of the battery module is simplified, and the installation efficiency of the battery module is improved.

Specifically, as shown in fig. 4, the bus bar 2 is provided with an avoidance groove 201, wherein a notch of the avoidance groove 201 is larger than a notch of the through groove 102. The avoidance groove 201 is covered with at least one through groove 102, and the avoidance groove 201 can be covered with one through groove 102 or two through grooves 102. The notch of the avoidance groove 201 may be provided in a rectangular shape. Because it establishes through groove 102 to dodge groove 201 cover, so electric core utmost point ear can pass through groove 102 simultaneously and dodge groove 201 to electric core utmost point ear is connected with busbar 2 electricity, improves the installation effectiveness of battery module.

Specifically, as shown in fig. 3, a plurality of fixing members 104 are disposed on a side of the bracket 1 contacting the battery cell, and the plurality of fixing members 104 are disposed at intervals. The electric core can be clamped in a gap between two adjacent fixing pieces 104. The contact surface of the fixing member 104 contacting the battery cell is provided with a guide portion. The through slot 102 is disposed between two fasteners 104. The battery cell is clamped and arranged through the fixing part 104 to ensure the battery cell to be fixed and stable. Can lead to electric core utmost point ear through the guide part on the mounting 104 to in electric core utmost point ear penetrates and runs through groove 102, so that electric core utmost point ear is connected with busbar 2 electricity, improves the installation effectiveness of battery module.

Specifically, as shown in fig. 3, the guide portion is an inclined surface, and guides the battery cell tab through the inclined surface, so that the battery cell tab is electrically connected to the bus bar 2, and the installation efficiency of the battery module is further improved. The guide portion may also be an arc surface, and guides the electrical core tab through the arc surface, so that the electrical core tab penetrates through the through groove 102 to be electrically connected with the bus bar 2.

Specifically, as shown in fig. 3, the fixing member 104 may have a triangular prism shape, and guides the core tab by an inclined surface of the triangular prism.

Specifically, as shown in fig. 2, a plurality of mounting pieces 101 are arranged on the bracket 1 at intervals, mounting holes 202 are formed in the bus bar 2 corresponding to the mounting pieces 101, and the bus bar 2 is fixed by the mounting pieces 101 passing through the mounting holes 202, so that the bus bar 2 is firmly fixed on the bracket 1. As shown in fig. 4, mounting holes 202 may be formed at both ends of the bus bar 2 to secure the bus bar 2 to the bracket 1.

Specifically, the mounting member 101 is a thermal melting member, and the bus bar 2 is fixed by thermal melting, so that the mounting efficiency of the bus bar 2 on the bracket 1 is improved.

Specifically, as shown in fig. 1, a circuit board 4 is disposed in the middle region of the rack 1, and the bus bar 2 is disposed around the circuit board 4 so that the sampling terminals 3 on the bus bar 2 are electrically connected to the circuit board 4.

Specifically, as shown in fig. 1, the battery module further comprises a temperature acquisition part 8, one end of the temperature acquisition part 8 is electrically connected with the circuit board 4, the other end of the temperature acquisition part is in contact with the battery cell, the temperature of the battery cell is acquired through the temperature acquisition part 8, the temperature acquisition part 8 is fixed on the support 1 in advance, and the installation efficiency of the battery module is improved. The temperature acquisition part 8 can be selected from an NTC temperature sensor.

Specifically, as shown in fig. 1, a connecting hole 103 is formed on the bracket 1 corresponding to the temperature collecting member 8, so that the temperature collecting member 8 can penetrate through the connecting hole 103 to contact with the battery cell.

Specifically, as shown in fig. 1, the bus bar 2, the sampling terminal 3, and the circuit board 4 are disposed on one side of the support 1, and the other side of the support 1 is in contact with the battery cell. Arranging the bus bar 2, the sampling terminal 3 and the circuit board 4 at one side of the rack 1 facilitates mounting the bus bar 2, the sampling terminal and the circuit board 4 on the rack 1.

Specifically, as shown in fig. 1, a connector 5 is disposed on the circuit board to facilitate connection of the battery module with the outside. The bus bar is also provided with a positive electrode 6 and a negative electrode 7.

The principle of the lithium battery support structure is as follows:

when assembling the battery module, electric core piles up the completion back, with support 1 setting in the utmost point ear side of electric core, makes electric core utmost point ear wear out from running through groove 102, is connected electric core utmost point ear and 2 fixed busbar electricity in advance, fixes support 1 on the battery module at last, accomplishes the equipment of battery module. A large number of bus bars 2 and sampling terminals 3 do not need to be repeatedly installed during assembly, the assembly process of the battery module is simplified, and the installation efficiency of the battery module is improved.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A lithium battery support structure, comprising:

the device comprises a bracket (1) and a plurality of through grooves (102) for the lugs of a power supply core to pass through are formed at intervals; a circuit board (4) is fixedly arranged on the bracket (1);

the bus bars (2) are fixedly arranged on the bracket (1) at intervals, and the edge parts of the bus bars (2) are positioned on one side of the through grooves (102) and are suitable for being electrically connected with the battery cell tabs;

and one end of the sampling terminal (3) is electrically connected with any bus bar (2), and the other end of the sampling terminal is electrically connected with the circuit board (4).

2. The lithium battery support structure according to claim 1, wherein an avoidance groove (201) is formed in the bus bar (2), a notch of the avoidance groove (201) is larger than a notch of the through groove (102), and the avoidance groove (201) covers at least one through groove (102).

3. The lithium battery support structure according to claim 2, characterized in that a plurality of fixing pieces (104) are fixedly arranged on the side of the support (1) contacting with the battery cell at intervals, and the battery cell is suitable to be clamped between two adjacent fixing pieces (104); and a guide part is arranged on the contact surface of the fixing part (104) contacted with the battery core.

4. The lithium battery cell support structure of claim 3, wherein the guide portion is an inclined surface.

5. The lithium battery support structure according to any one of claims 1-4, characterized in that a plurality of mounting members (101) are provided at intervals on the support (1);

and the bus bar (2) is provided with a mounting hole (202) corresponding to the mounting piece (101).

6. The lithium battery support structure according to claim 5, characterized in that the mounting member (101) is a hot melt.

7. The lithium battery support structure according to any one of claims 1 to 4, characterized in that the circuit board (4) is provided in a middle region of the support (1), and the bus bar (2) is provided around the circuit board (4).

8. The lithium battery support structure according to any one of claims 1 to 4, further comprising a temperature acquisition member (8); one end of the temperature acquisition part (8) is electrically connected with the circuit board (4), and the other end of the temperature acquisition part is suitable for being in contact with the battery core.

9. The lithium battery support structure according to claim 8, wherein the support (1) is provided with a connecting hole (103) corresponding to the temperature collecting member (8).

10. The lithium battery support structure according to any one of claims 1-4, characterized in that the busbar (2), the sampling terminal (3) and the circuit board (4) are provided on one side of the support (1), and the other side of the support (1) is in contact with a battery cell.