Novel integrated busbar for energy storage battery pack

By designing a spring telescopic rod and a plug-in fixing mechanism in the battery pack to connect the battery group, and combining it with the air cooling method of fan and heat sink, the problem of lack of heat dissipation function of busbar assembly is solved, and stable connection and efficient heat dissipation of battery group are achieved.

CN224191172UActive Publication Date: 2026-05-01HUBEI ELECTRIC POWER EQUIP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUBEI ELECTRIC POWER EQUIP
Filing Date
2025-05-14
Publication Date
2026-05-01

AI Technical Summary

Technical Problem

In the existing technology, the busbar assembly lacks heat dissipation function, and a single liquid cooling method is difficult to achieve efficient heat dissipation, which affects the heat dissipation effect of the battery module.

Method used

A novel integrated busbar for energy storage battery packs is designed, which uses a spring telescopic rod and a plug-in fixing mechanism to connect the battery packs, and combines a fan and a curved heat sink for air cooling, so as to achieve stable connection and efficient heat dissipation between multiple battery packs.

Benefits of technology

It achieves stable connection and efficient heat dissipation between battery packs, and can remove heat through air cooling when the fan starts, providing uniform support and automatically pressing the battery packs together to accommodate the addition or removal of battery packs.

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Abstract

The utility model is applicable to the technical field of storage batteries, and provides a novel integrated busbar for an energy storage battery pack, which comprises a first spring telescopic rod: two ends of the first spring telescopic rod are fixedly connected with first fixed side plates, and two side surfaces of the first fixed side plates are fixedly connected with second spring telescopic rods; a plurality of battery packs are connected between the second spring telescopic rods on the two sides in an inserted mode, a curved heat dissipation water tank is arranged between the multiple battery packs in a clamped mode, and the multiple battery packs can be connected through the combination of the first connecting pieces and the second connecting pieces. Through the fan body and the curved heat dissipation water tank, when the fan body is started, air cooling can be conducted on the curved heat dissipation water tank to take away heat absorbed by the curved heat dissipation water tank, and therefore efficient heat dissipation is achieved.
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Description

A novel integrated busbar for energy storage battery packs Technical Field

[0001] This utility model belongs to the field of battery technology, and in particular relates to a novel integrated busbar for energy storage battery packs. Background Technology

[0002] The battery pack busbar is a key component of the battery pack, mainly used for connecting the cells and acquiring signals. The busbar typically consists of conductive busbars, control circuits (such as voltage and temperature acquisition circuits), and other components. Through integrated design, it realizes functions such as high-voltage series and parallel connection of cells, temperature sampling, and voltage sampling.

[0003] Chinese patent disclosure CN220138614U discloses a busbar assembly and battery pack. The paper proposes "a busbar assembly comprising: a busbar, including a busbar body and an insulating layer enclosing the busbar body, the busbar having a first end and a second end opposite to each other, the busbar body including a mounting portion located at the first end, and the insulating layer having an exposure opening to expose the mounting portion. In one embodiment, the busbar assembly further includes an insulating baffle, the insulating baffle including a baffle body, the baffle body having a baffle opening in the middle for the busbar to pass through, and the mounting portion adjacent to the baffle opening. In one embodiment, the insulating baffle further includes a reinforcing boss located on at least one side of the baffle body, the reinforcing..." A boss surrounds the opening of the baffle. In one embodiment, the inner side of the baffle opening has two opposing protrusions, which abut against the busbar. In one embodiment, the number of busbars is at least two, the number of insulating baffles is at least two, and the busbar assembly further includes a connector connected between two adjacent insulating baffles. In one embodiment, the connector is integrally formed with the insulating baffle. In one embodiment, the mounting portion has at least one perforated hole. In one embodiment, the insulating baffle is made of rubber material. Secondly, embodiments of the present invention provide a battery pack, the battery pack including the busbar assembly and a battery module, the battery module being electrically connected to the busbar.

[0004] However, existing technologies can only connect busbars, lacking corresponding heat dissipation functions. Furthermore, current methods of heat dissipation using a single liquid cooling method are difficult to achieve efficient heat dissipation and are inconvenient for adding or removing battery modules. Therefore, it is necessary to design a new type of integrated busbar for energy storage battery packs. Summary of the Invention

[0005] This utility model provides a novel integrated busbar for energy storage battery packs, aiming to solve the problems that the existing technology can only connect busbars together, lacks corresponding heat dissipation function, and that the current single liquid cooling method is difficult to achieve efficient heat dissipation.

[0006] This utility model is implemented as follows: a novel integrated busbar for an energy storage battery pack includes a spring telescopic rod 1; both ends of the spring telescopic rod 1 are fixedly connected to a fixed side plate 1; both sides of the fixed side plate 1 are fixedly connected to spring telescopic rods 2; a battery pack is inserted and connected between the two spring telescopic rods 2; multiple battery packs are provided; a curved heat dissipation tank is sandwiched between the multiple battery packs; fixed side plates 2 are fixedly connected to the outer sides of the two fixed side plates 1; the battery packs are located between the two fixed side plates 2; an insertion and fixing mechanism is provided between the fixed side plates 2 and the battery packs; an insertion and fixing mechanism is provided between two adjacent battery packs; a circuit integrated board is fixedly connected to the top of the battery pack; the top of the circuit integrated board is flush with the top of the fixed side plate 2; a connecting piece 2 is provided on the top of two adjacent connecting pieces 1; and the bottom of the connecting piece 2 is fixed... The circuit board has a fixed connection with a block-shaped plug rod that fits into the connection slot. Side fixing slots are provided at both ends of the top of the two fixed side plates. A spring telescopic rod is fixedly connected to the top of the circuit board. A pressure plate is fixedly connected to the extended end of the spring telescopic rod. An anti-slip pad is fixedly connected to the bottom of the pressure plate. The anti-slip pad is pressed against the connecting piece two. The pressure plates are distributed on both sides of the top of the circuit board. A fan mechanism is provided between the two pressure plates. Multiple battery packs can be connected by combining the connecting piece one and connecting piece two. The insertion and fixing mechanisms on both sides of the battery packs position different battery packs, achieving a stable connection between multiple battery packs. The fan body and curved heat sink can provide air cooling to the curved heat sink when the fan body is activated, removing the heat absorbed by the curved heat sink and achieving efficient heat dissipation.

[0007] Preferably, there are multiple spring telescopic rods, which are fixed at equal intervals between the two fixed side plates. The extension directions of two adjacent spring telescopic rods are opposite. By setting the extension directions of two adjacent spring telescopic rods to be opposite, uniform support for the top battery pack can be achieved.

[0008] Preferably, the spring telescopic rod is fixed below the opposite side of the two fixed side plates. The spring telescopic rod retracts to its shortest distance in its natural state. The spring telescopic rod can automatically press the added or removed battery packs when they are added or removed.

[0009] Preferably, there are four spring telescopic rods, which are respectively fixed to the two ends of opposite sides of the fixed side plate, and the two spring telescopic rods on the same side extend in opposite directions.

[0010] Preferably, the upper spring telescopic rod two is flush with the top of the fixed side plate one, and the battery pack is inserted into the frame composed of the spring telescopic rod one, the fixed side plate one, and the spring telescopic rod two.

[0011] Preferably, the insertion and fixing mechanism includes a plug, a plug block, and an anti-slip ring. The plug and the plug block are fixedly connected to both sides of the battery pack, and the anti-slip ring is fixedly connected to the outside of the plug block. The plug on one side of the battery pack is adapted to be inserted and connected to the plug block on the other side of another battery pack. The anti-slip ring can prevent slipping and fix the inside of the plug. Connecting multiple plugs and plug blocks to each other can increase or decrease the battery pack.

[0012] Preferably, two opposite sides of the two fixed side plates are respectively fixedly connected with a plug and a plug cylinder. The plug on the surface of one fixed side plate is inserted into the plug cylinder on the surface of one battery pack, and the plug is adapted to be inserted into the plug cylinder on the surface of the other fixed side plate.

[0013] Compared with related technologies, the novel integrated busbar for energy storage battery packs provided by this utility model has the following beneficial effects:

[0014] 1. The combination of connecting piece one and connecting piece two enables the connection between multiple battery packs. The insertion and fixing mechanisms on both sides of the battery packs position the different battery packs, achieving a stable connection between multiple battery packs. The fan body and curved heat sink enable air cooling to remove the heat absorbed by the curved heat sink when the fan body is turned on, thereby achieving efficient heat dissipation.

[0015] 2. By setting the extension directions of two adjacent spring telescopic rods to opposite directions, the top battery pack can be evenly supported. The spring telescopic rods can automatically press the battery packs when they are added or removed. The anti-slip rings can prevent slipping and fix the inside of the inserts. Connecting multiple inserts and blocks together can make it possible to add or remove battery packs. Attached Figure Description

[0016] Figure 1 is a top view of the structure of this utility model from one side;

[0017] Figure 2 is a top view of the structure of this utility model from another side;

[0018] Figure 3 is a schematic diagram of the structure of this utility model viewed from below;

[0019] Figure 4 is a side view of the structure of this utility model;

[0020] Figure 5 is a schematic diagram of the internal structure of this utility model viewed from below;

[0021] Figure 6 is an enlarged structural schematic diagram of point A in Figure 5 of this utility model.

[0022] In the diagram: 1. Spring telescopic rod one; 2. Fixed side plate one; 3. Spring telescopic rod two; 4. Fixed side plate two; 5. Battery pack; 6. Curved radiator; 7. Insert; 8. Insert block; 9. Anti-slip ring; 10. Circuit board; 11. Connecting piece one; 12. Connecting slot; 13. Connecting piece two; 14. Spring telescopic rod three; 15. Pressure plate; 16. Anti-slip pad; 17. Fan body; 18. Air outlet; 19. Connecting block; 20. Side fixing slot. Detailed Implementation

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and foregoing drawings of this application are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or foregoing drawings of this application are used to distinguish different objects, not to describe a particular order.

[0024] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0025] Example 1

[0026] The preferred embodiment of the novel integrated busbar for energy storage battery packs provided by this utility model is shown in Figures 1 to 6: A novel integrated busbar for energy storage battery packs includes a spring telescopic rod 1; both ends of the spring telescopic rod 1 are fixedly connected to fixed side plates 2; both sides of the fixed side plates 2 are fixedly connected to spring telescopic rods 3; battery packs 5 are inserted between the two spring telescopic rods 3; multiple battery packs 5 are provided; a curved heat dissipation tank 6 is sandwiched between the multiple battery packs 5; fixed side plates 4 are fixedly connected to the outer sides of the two fixed side plates 2; the battery packs 5 are located between the two fixed side plates 4; an insertion fixing mechanism is provided between the fixed side plates 4 and the battery packs 5; and an insertion mechanism is provided between two adjacent battery packs 5. The battery pack 5 is fixedly connected to a circuit integrated board 10 at the top. The top of the circuit integrated board 10 and the fixed side plate 4 are flush. The top of the two adjacent connecting pieces 11 is provided with connecting pieces 13. The bottom of the connecting pieces 13 is fixedly connected with a block-shaped plug rod that is adapted to be inserted into the connecting slot 12. The two ends of the top of the fixed side plates 4 are provided with side fixing slots 20. The top of the circuit integrated board 10 is fixedly connected with a spring telescopic rod 14. The extension end of the spring telescopic rod 14 is fixedly connected with a pressure plate 15. The bottom of the pressure plate 15 is fixedly connected with an anti-slip pad 16. The anti-slip pad 16 is pressed and adhered to the connecting pieces 13. The pressure plates 15 are distributed on both sides of the top of the circuit integrated board 10. A fan mechanism is provided between the two pressure plates 15.

[0027] It should be noted that some existing integrated busbars for energy storage battery packs still have certain shortcomings in actual use. Existing technology can only connect the busbars together, and it lacks corresponding heat dissipation function. Moreover, it is difficult to efficiently regulate the high temperature of the busbar batteries by using a single liquid cooling method for heat dissipation.

[0028] In this embodiment, the combination of connecting piece 11 and connecting piece 2 13 enables the connection between multiple battery packs 5. The insertion and fixing mechanisms on both sides of the battery packs 5 position the different battery packs 5, achieving a stable connection between the multiple battery packs 5. The fan body 17 and the curved heat sink 6 enable air cooling of the curved heat sink 6 when the fan body 17 is started, thus removing the heat absorbed by the curved heat sink 6 and achieving efficient heat dissipation.

[0029] In a further preferred embodiment of this utility model, a plurality of spring telescopic rods 1 are provided, and the plurality of spring telescopic rods 1 are fixed at equal intervals between the two fixed side plates 2 on both sides, and the extension directions of two adjacent spring telescopic rods 1 are opposite.

[0030] In this embodiment, by setting the extension directions of two adjacent spring telescopic rods 1 to opposite directions, uniform support for the top battery pack 5 can be achieved.

[0031] In a further preferred embodiment of this utility model, the spring telescopic rod 1 is fixed below the opposite surfaces of the two fixed side plates 2, and the spring telescopic rod 1 retracts to its shortest distance in its natural state.

[0032] In this embodiment, the spring telescopic rod 1 can automatically press the battery pack 5 when it is added or removed.

[0033] In a further preferred embodiment of this utility model, four spring telescopic rods 3 are provided. The four spring telescopic rods 3 are respectively fixed to the two ends of the opposite face of the two fixed side plates 2. The two spring telescopic rods 3 on the same side extend in opposite directions.

[0034] In a further preferred embodiment of this utility model, the upper spring telescopic rod 23 is flush with the top of the fixed side plate 2, and the battery pack 5 is inserted into the frame composed of the spring telescopic rod 1, the fixed side plate 2 and the spring telescopic rod 23.

[0035] Example 2

[0036] Based on Embodiment 1, a preferred embodiment of the novel integrated busbar for energy storage battery pack provided by this utility model is shown in Figures 1 to 6: the insertion and fixing mechanism includes a plug 7, a plug block 8 and an anti-slip ring 9. The plug 7 and the plug block 8 are fixedly connected to both sides of the battery pack 5 respectively. The anti-slip ring 9 is fixedly connected to the outside of the plug block 8. The plug 7 on one side of the battery pack 5 is adapted to be inserted and connected to the plug block 8 on the other side of another battery pack 5.

[0037] In this embodiment, the anti-slip ring 9 can prevent slippage and fix the inside of the plug 7. Connecting multiple plugs 7 and plug blocks 8 together can increase or decrease the battery pack.

[0038] In a further preferred embodiment of the present invention, two opposite surfaces of the two fixed side plates 4 are respectively fixedly connected with insert blocks 8 and insert tubes 7. The insert block 8 on the surface of one fixed side plate 4 is inserted into the insert tube 7 on the surface of one battery pack 5, and the insert block 8 is adapted to be inserted into the insert tube 7 on the surface of the other fixed side plate 4.

[0039] In a further preferred embodiment of this utility model, the insertion and fixing mechanisms are distributed at the four corners between adjacent battery packs 5 on both sides, and insertion and fixing mechanisms are provided between two adjacent battery packs 5 as well as between the edge battery packs 5 and the fixing side plate 4.

[0040] In a further preferred embodiment of this utility model, the bottom of the spring telescopic rod 14 is fixed to the top of the circuit integrated board 10 by screws, and the spring telescopic rod 14 is in its shortest retracted state in its natural state.

[0041] In a further preferred embodiment of this utility model, the fan mechanism includes a connecting block 19, a fan body 17, and an air outlet 18. The fan body 17 is located between two pressure plates 15 on both sides, and the air outlet 18 is provided at the bottom of the fan body 17. The connecting blocks 19 are fixedly connected to both sides of the fan body 17, and the connecting blocks 19 are fixedly connected to the pressure plates 15. Fixing the fan body 17 between the two pressure plates 15 can protect the busbar integrated module at the top of the battery pack 5.

[0042] In summary, the combination of connecting piece 11 and connecting piece 2 13 connects multiple battery packs 5. The insertion and fixing mechanisms on both sides of the battery pack 5 position different battery packs 5, ensuring a stable connection between multiple battery packs 5. The anti-slip ring 9 provides anti-slip fixation for the inside of the insert 7. Connecting multiple inserts 7 and insert blocks 8 together allows for the addition or removal of battery packs. When the fan body 17 is activated, the curved heat sink 6 uses air cooling to remove the heat absorbed by the curved heat sink 6, thus achieving efficient heat dissipation. During support, the extension directions of two adjacent spring telescopic rods 1 are set to opposite directions, which can achieve uniform support for the top battery pack 5. The spring telescopic rods 1 automatically press the added or removed battery packs 5 when they are added or removed. Fixing the fan body 17 between the two pressure plates 15 on both sides can protect the busbar integrated module on the top of the battery pack 5.

[0043] It is worth noting that the circuits, electronic components, and modules involved in this utility model are all existing technologies, which can be fully implemented by those skilled in the art, and need not be elaborated upon. The content protected by this utility model does not involve any improvement to the software and methods.

[0044] It should be understood that the disclosed apparatus can be implemented in other ways, given the several embodiments provided in this application. For example, the apparatus embodiments described above are merely illustrative; the division of units described above is only a logical functional division, and in actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the coupling or communication connections shown or discussed may be through some interfaces; the indirect coupling or communication connections between devices or units may be telecommunications or other forms.

[0045] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Although this utility model has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add, delete, or otherwise adjust the features of the various embodiments of this utility model according to the circumstances without conflict or creative effort, thereby obtaining different technical solutions that do not fundamentally depart from the concept of this utility model. These technical solutions are also within the scope of protection of this utility model.

Claims

1. A novel integrated busbar for an energy storage battery pack, characterized in that, Includes a spring telescopic rod 1 (1): both ends of the spring telescopic rod 1 (1) are fixedly connected to a fixed side plate 1 (2), both sides of the fixed side plate 1 (2) are fixedly connected to a spring telescopic rod 2 (3), and a battery pack (5) is inserted between the two spring telescopic rods 2 (3). The number of battery packs (5) is set to multiple, and a curved heat dissipation tank (6) is clamped between the multiple battery packs (5). The outer sides of the two fixed side plates 1 (2) are fixedly connected to a fixed side plate 2 (4). The battery pack (5) is located between the two fixed side plates 2 (4). An insertion fixing mechanism is set between the fixed side plate 2 (4) and the battery pack (5). An insertion fixing mechanism is set between two adjacent battery packs (5). A circuit integrated board (10) is fixedly connected to the top of the battery pack (5). The tops of the circuit integrated board (10) and the fixed side plate 2 (4) are flush. The tops of the two adjacent connecting pieces 1 (11) are provided with connecting pieces 2 (13). The bottom of the connecting pieces 2 (13) is fixedly connected with a block-shaped plug rod adapted to be inserted into the connecting slot (12). The two ends of the tops of the two fixed side plates 2 (4) are provided with side fixing slots (20). The top of the circuit integrated board (10) is fixedly connected with a spring telescopic rod 3 (14). The extension end of the spring telescopic rod 3 (14) is fixedly connected with a pressure plate (15). The bottom of the pressure plate (15) is fixedly connected with an anti-slip pad (16). The anti-slip pad (16) is pressed and adhered to the connecting piece 2 (13). The pressure plates (15) are distributed on both sides of the top of the circuit integrated board (10). A fan mechanism is provided between the two pressure plates (15).

2. The novel integrated busbar for energy storage battery packs as described in claim 1, characterized in that, The number of spring telescopic rods (1) is set to be multiple, and the multiple spring telescopic rods (1) are fixed at equal intervals between the two fixed side plates (2) on both sides, and the extension directions of two adjacent spring telescopic rods (1) are opposite.

3. The novel integrated busbar for energy storage battery packs as described in claim 2, characterized in that, The spring telescopic rod (1) is fixed below the opposite side of the two fixed side plates (2), and the spring telescopic rod (1) retracts to its shortest distance in its natural state.

4. The novel integrated busbar for an energy storage battery pack as described in claim 1, characterized in that, The number of spring telescopic rods 2 (3) is set to four. The four spring telescopic rods 2 (3) are respectively fixed to the two ends of the opposite side of the fixed side plate 1 (2) on both sides. The two spring telescopic rods 2 (3) on the same side extend in opposite directions.

5. The novel integrated busbar for an energy storage battery pack as described in claim 4, characterized in that, The upper spring telescopic rod 2 (3) is level with the top of the fixed side plate 1 (2), and the battery pack (5) is inserted into the frame composed of spring telescopic rod 1 (1), fixed side plate 1 (2) and spring telescopic rod 2 (3).

6. The novel integrated busbar for an energy storage battery pack as described in claim 1, characterized in that, The insertion and fixing mechanism includes a plug (7), a plug (8) and an anti-slip ring (9). The plug (7) and the plug (8) are fixedly connected to both sides of the battery pack (5). The anti-slip ring (9) is fixedly connected to the outside of the plug (8). The plug (7) on one side of the battery pack (5) is adapted to be inserted and connected to the plug (8) on the other side of another battery pack (5).

7. The novel integrated busbar for an energy storage battery pack as described in claim 6, characterized in that, Two fixed side plates (4) are fixedly connected to two opposite sides with plugs (8) and plug tubes (7). The plugs (8) on the surface of one fixed side plate (4) are inserted into the plug tubes (7) on the surface of one battery pack (5). The plugs (8) are also connected to the plug tubes (7) on the surface of the other fixed side plate (4).

8. The novel integrated busbar for an energy storage battery pack as described in claim 7, characterized in that, The insertion and fixing mechanisms are distributed at the four corners between the adjacent two battery packs (5). Insertion and fixing mechanisms are provided between two adjacent battery packs (5) and between the edge battery packs (5) and the fixed side plate (4).

9. The novel integrated busbar for an energy storage battery pack as described in claim 8, characterized in that, The bottom of the spring telescopic rod three (14) is fixed to the top of the circuit integrated board (10) by screws. The spring telescopic rod three (14) is in its shortest state when it is in its natural state.

10. The novel integrated busbar for an energy storage battery pack as described in claim 9, characterized in that, The fan mechanism includes a connecting block (19), a fan body (17), and an air outlet (18). The fan body (17) is located between two pressure plates (15) on both sides. An air outlet (18) is provided at the bottom of the fan body (17). The connecting block (19) is fixedly connected to both sides of the fan body (17). The connecting block (19) is fixedly connected to the pressure plate (15).

Citation Information

Patent Citations

  • Busbar combination and battery pack

    CN220138614U