Battery module mounting bracket

By designing a battery module mounting bracket and using components such as an upper bracket and an insulating bracket to construct a series link, the problems of poor busbar support and short circuits in the existing technology are solved, thereby improving the safety and production efficiency of the battery module and reducing costs.

CN223680276UActive Publication Date: 2025-12-16YANTAI LIHUA ELECTRIC POWER TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423022248.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-09
Publication Date
2025-12-16
Estimated Expiration
2034-12-09

AI Technical Summary

Technical Problem

The existing cell connection components have low structural strength during manufacturing, resulting in poor support for busbars and other structures, making them prone to detachment and short circuits, affecting production cycle and safety, and requiring manual positioning, which can lead to accidental contact.

Method used

Design a battery module mounting bracket, including an upper bracket and a lower bracket. The upper bracket uses components such as busbar clips, insulating brackets, busbars, positive terminals and negative terminals to construct a series link, ensuring the correct arrangement of the busbars. The insulating brackets ensure a safe gap, and the upper bracket body is made of ABS material to provide support and insulation.

Benefits of technology

It improves the support strength of the busbar, prevents short circuits, reduces the need for manual positioning, ensures the safety and production efficiency of the battery module, and reduces material and process costs.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223680276U_ABST
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Abstract

The utility model relates to a battery module mounting bracket, which belongs to the technical field of battery modules and comprises an upper bracket body, a plurality of busbar buckles, a plurality of insulating brackets, a plurality of busbars, a positive terminal, a negative terminal and a plurality of electric information acquisition components. Assembling space and product cost are saved, the upper support, the busbar, the output electrode, the output base and the signal acquisition device are integrated, and the number of materials and production procedures are reduced; in addition, the double busbar buckles are arranged in a staggered mode, correct arrangement of the busbars is guaranteed, and the fool-proof and mistake-proof functions are achieved. And finally, insulating brackets are arranged between the insulating busbars, so that safe electric gaps and creepage distances between the busbars and between the busbars and the battery cell pole columns are ensured, and the requirement of the interior of the battery module on insulation is ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to battery module technical field, concretely relates to a battery module mounting support. BACKGROUND

[0002] In the power battery, through the electric core connection assembly and the battery electrode connection, the electric signal transmission with the battery energy management system is realized. Among them, the electric core connection assembly component includes the busbar, the output pole, the insulating tray and the signal acquisition device, the present electric core connection assembly in preparation, generally adopts the PET to form the insulating support to support the busbar, the output pole, the insulating tray and the signal acquisition device.

[0003] Because the support structure of integrated molding is low in structural strength when hot-pressing, cannot realize the good support to the busbar structure and the like. Secondly, in the process of module line transportation, the electric core connection assembly can appear the situation of falling off and accidental displacement, can appear the busbar miscontact short circuit, in addition, still needs the manual repositioning before each welding, influences the production rhythm, even because the manual placement is not accurate to lead to the busbar short circuit, influences the safety of the whole module. UTILITY MODEL CONTENTS

[0004] In order to provide a kind of strong firmness, support and insulating battery module mounting support, the utility model provides a kind of battery module mounting support.

[0005] A kind of battery module mounting support, including: lower support and upper support, external battery module is fixedly installed by the lower support and the upper support, the battery monomer in the battery module is built by the upper support and is connected in series, and the electric energy is transported outward by the upper support, the improvement lies in, the upper support includes: upper support body, several numbers of busbar buckle, several numbers of insulating support, several numbers of busbar, positive terminal, negative terminal and several numbers of electric information acquisition component;The busbar buckle is set on the upper support body, and is sequentially spaced by the insulating support;The busbar is buckled on the busbar buckle, each busbar connects the positive pole and the negative pole of two adjacent battery monomers, each busbar connects the positive pole and the negative pole of all battery monomers, and constructs series link;The positive terminal and the negative terminal are set on the upper support body and are electrically connected with the head and tail of series link respectively;The electric information acquisition component is set on the upper support body, and the electric energy information of battery module is acquired after being electrically connected with each busbar.

[0006] Preferably, two clamping holes are provided on the busbar, one end of the busbar is a square head, and the other end is a round head, the square head is connected to the positive pole of one battery monomer, and the round head is connected to the negative pole of another battery monomer, and the two clamping holes are buckled with the busbar buckle.

[0007] Preferably, the busbar buckle is arranged in two groups on the upper support body in a staggered manner and is buckled and fixed with the two clamping holes on the busbar.

[0008] Preferably, the electric information acquisition assembly comprises a collection nickel sheet, a collection line and a collection terminal.

[0009] The collection nickel sheet is arranged on the busbar to collect node information of each busbar, the collection terminal is arranged on the upper support body, and the collection terminal and the collection nickel sheet are in signal transmission through the collection line to externally communicate the node information collected by the collection nickel sheet.

[0010] Preferably, the upper support further comprises a terminal fixing mechanism and a fixing bolt, the terminal fixing mechanism is arranged on the upper support body, and the positive terminal and the negative terminal are installed on the terminal fixing mechanism through the fixing bolt.

[0011] Preferably, the insulating support is made of insulating material.

[0012] Preferably, the upper support body is made of ABS material.

[0013] Compared with the prior art, the upper support in the utility model comprises an upper support body, a plurality of busbar buckles, a plurality of insulating supports, a plurality of busbars, a positive terminal, a negative terminal and a plurality of electric information acquisition assemblies, the scheme provided by the utility model cancels the use of a traditional busbar tray, saves assembly space and product cost, the upper support, the busbar, the output pole, the output base and the signal acquisition device are integrated, the number of materials and production processes are reduced, in addition, the double busbar buckles arranged in a staggered manner ensure correct arrangement of the busbars and play a foolproof and mistake-proof function, finally, the insulating supports between the insulating busbars ensure safe electrical clearance and creepage distance between the busbars and the busbar and the battery pole, and the requirement for insulation inside the battery module is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 FIG. 1 is a structural schematic view of the upper support body in the utility model;

[0015] Figure 2 FIG. 2 is an assembly schematic view of the upper support body in the utility model;

[0016] Figure 3 FIG. 3 is an installation schematic view of the battery module installation support in the utility model;

[0017] Wherein, 1 - upper bracket body; 2 - bus bar buckle; 3 - insulating bracket; 4 - bus bar; 5 - collection nickel sheet; 6 - collection line; 7 - fixed bolt; 8 - collection terminal; 9 - negative terminal; 10 - terminal fixing mechanism; 11 - positive terminal. DETAILED DESCRIPTION

[0018] In order to better understand the present application, the content of the present application will be further described below in conjunction with the drawings and examples of the specification.

[0019] The embodiment provides a kind of battery module mounting bracket, including: lower bracket and upper bracket, external battery module is fixedly installed by the lower bracket and the upper bracket, battery cell in the battery module is built by the upper bracket and is sent to the outside electric energy, the structural schematic diagram of the upper bracket is as shown in Figure 1 The upper bracket body 1, a plurality of bus bar buckles 2, a plurality of insulating brackets 3, a plurality of bus bars 4, positive terminals 11, negative terminals 7 and a plurality of electric information collection components are included.The bus bar buckle is arranged on the upper bracket body 1, and is sequentially spaced by the insulating bracket 3, the insulating bracket 3 is fixedly arranged, to prevent short circuit between bus bars 4, to ensure safety distance;The bus bar 4 is buckled on the bus bar buckle 2, each bus bar 4 connects the positive and negative of two adjacent battery cells, each bus bar 4 connects the positive and negative of all battery cells, to build a series link, the upper end of the battery cell includes positive electrode and negative electrode, the bus bar 4 is electrically connected with the positive electrode of a battery cell, and is connected with the negative electrode of another battery cell, which builds a series relationship between two battery cells, voltage superposition, the series link is connected by the bus bar 4, to build a series relationship;The positive terminal 11 and the negative terminal 7 are arranged on the upper bracket body 1, and are electrically connected with the head and tail of the series link respectively;The electric information collection component is arranged on the upper bracket body 1, and the electric energy information of battery module is collected after being electrically connected with each bus bar 4.The assembly schematic diagram of the upper bracket body is as shown in Figure 2 .

[0020] Two clamping holes are arranged on the bus bar, one end of the bus bar 4 is square head, and the other end is round head, the square head is connected with the positive electrode of one battery cell, and the round head is connected with the negative electrode of another battery cell;Two clamping holes are buckled with the bus bar buckle 2.

[0021] The bus bar buckle 2 is two groups, and is arranged in staggered manner on the upper bracket body 1, and is buckled and fixed with two clamping holes on the bus bar 4.

[0022] The electric information collection component comprises a collection nickel sheet 5, a collection line 6 and a collection terminal 8; the collection nickel sheet is arranged on the bus bar, and in the embodiment, the collection nickel sheet 5 is fixed on the bus bar 4 by laser welding to collect node information of each bus bar; the collection terminal is arranged on the upper support body, the collection terminal and the collection nickel sheet 5 perform signal transmission through the collection line 6, and the node information collected by the collection nickel sheet 5 is transmitted to the outside.

[0023] The upper support further comprises a terminal fixing mechanism 10 and a fixing bolt 7; the terminal fixing mechanism 10 is arranged on the upper support body, and the positive terminal and the negative terminal are installed on the terminal fixing mechanism 10 through the fixing bolt 7.

[0024] The insulating support 3 is made of insulating material.

[0025] The upper support body 1 is made of ABS material, and in the embodiment, the upper support body 1 is made of ABS material and is manufactured by injection molding process, so that better strength and support can be provided; the material insulation performance can reach 500MΩ@1000V, and the leakage current is less than 1mA@3500VDC; the flame retardant performance can meet the UL94 V0 flame retardant grade; and the upper support body 1 can well play the protection role of insulation and flame retardation.

[0026] In use, the single batteries in the external battery module are arranged in the lower support in sequence, and the upper support is installed; the positive and negative of two adjacent battery single bodies are connected through the bus bar 4 to build a series connection relationship; all the bus bars 4 are installed, all the single batteries in the battery module build a series connection relationship to obtain a series link, the voltage at the two ends of the series circuit reaches the use requirement, and is output through the positive terminal 11 and the negative terminal 9; and the installation schematic view is as shown in Figure 3 .

[0027] Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

Claims

1. A battery module mounting bracket, comprising: The lower bracket and the upper bracket are used to fix the external battery module. The battery cells in the battery module are connected in series through the upper bracket and transmit electrical energy to the outside through the upper bracket. The upper bracket is characterized in that the upper bracket includes: an upper bracket body (1), a number of busbar clips (2), a number of insulating brackets (3), a number of busbars (4), a positive terminal (11), a negative terminal (9), and a number of electrical information acquisition components. The busbar buckle is set on the upper bracket body (1) and is spaced apart by the insulating bracket (3); the busbar (4) is fastened to the busbar buckle (2), each busbar (4) connects the positive and negative terminals of two adjacent battery cells, and each busbar (4) connects all the battery cells in series to form a series link; the positive terminal (11) and the negative terminal (9) are set on the upper bracket body (1) and are electrically connected to the beginning and end of the series link, respectively; the electrical information acquisition component is set on the upper bracket body (1) and is electrically connected to each busbar (4) to collect the electrical energy information of the battery module.

2. The battery module mounting bracket as described in claim 1, characterized in that, The busbar is provided with two snap-fit ​​holes. One end of the busbar (4) is square and the other end is round. The square end is connected to the positive terminal of one of the battery cells and the round end is connected to the negative terminal of another battery cell. The two snap-fit ​​holes are fastened to the busbar buckle (2).

3. A battery module mounting bracket as described in claim 2, characterized in that, The busbar buckles (2) are arranged in pairs, staggered on the upper bracket body (1), and fastened to the two buckle holes on the busbar (4).

4. A battery module mounting bracket as described in claim 1, characterized in that, The electrical information acquisition component includes: a acquisition nickel sheet (5), an acquisition line (6), and an acquisition terminal (8); The acquisition nickel plate (5) is set on the busbar (4) to acquire node information of each busbar (4); the acquisition terminal (8) is set on the upper bracket body, and the acquisition terminal (8) and the acquisition nickel plate (5) transmit signals through the acquisition line (6) to communicate and transmit the node information acquired by the acquisition nickel plate (5) to the outside.

5. A battery module mounting bracket as described in claim 1, characterized in that, The upper bracket also includes: a terminal fixing mechanism (10) and fixing bolts (7); The terminal fixing mechanism (10) is disposed on the upper bracket body, and the positive terminal and the negative terminal are mounted on the terminal fixing mechanism (10) by the fixing bolt (7).

6. A battery module mounting bracket as described in claim 1, characterized in that, The insulating bracket (3) is made of insulating material.

7. A battery module mounting bracket as described in claim 1, characterized in that, The upper support body (1) is made of ABS material.