Power supply device with modular splicing structure

By using a modular splicing structure and heat dissipation module design, the problems of rapid connection reliability and heat dissipation of battery packs are solved, enabling rapid assembly and disassembly and efficient heat dissipation, thereby improving the connection stability and lifespan of battery packs.

CN223584576UActive Publication Date: 2025-11-21SHENZHEN ZHONGXUYUAN TECH CO LTD
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Patent Information

Application Number
CN202423070019.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2025-11-21
Estimated Expiration
2034-12-12

AI Technical Summary

Technical Problem

Existing battery pack splicing technologies suffer from problems such as poor reliability of rapid connections, long connection times, and difficulty in achieving air circulation, leading to unstable connections, overheating, and shortened battery pack lifespan.

Method used

It adopts a modular splicing structure and uses heat dissipation modules and magnetic or snap-fit ​​structures to achieve rapid splicing. The heat dissipation module includes a wind generator and a radiator. The heat dissipation efficiency is improved by the fan and heat dissipation fins, and the battery pack is quickly connected by magnetic components and snap-fit ​​structures.

Benefits of technology

It improves the efficiency of battery pack assembly and disassembly, as well as heat dissipation, avoids direct contact between battery packs, enhances connection reliability and heat dissipation, and extends the battery pack's lifespan.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a power supply device with a modularized splicing structure, which comprises a plurality of groups of power supplies which are spliced through a heat dissipation module. The heat dissipation module comprises a wind power generation device in the middle and two heat dissipation devices symmetrically connected to the two faces of the wind power generation device, and the two heat dissipation devices are rapidly connected with the two adjacent power supply sources respectively. According to the utility model, the plurality of groups of power supplies are spliced through the heat dissipation mold wires, the dismounting efficiency is improved, and the plurality of groups of power supplies are prevented from being directly contacted through the splicing of the heat dissipation mold wires. The heat dissipation module has the heat dissipation capability, and every two adjacent power supplies are provided with one heat dissipation module, so that the heat dissipation efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to power supply device, concretely relates to a power supply device with modularization splicing structure. BACKGROUND

[0002] As an important energy storage device, the weight, capacity, charge and discharge performance of the power supply have been continuously improved. However, in the process of using the power supply, it is often necessary to quickly connect multiple battery packs to meet the needs of different scenes, such as electric vehicles that need to connect multiple battery packs together to improve the range and performance, and portable power supplies that need to quickly splice multiple battery packs together to improve output power and use time.

[0003] The existing battery pack splicing technology has some deficiencies, mainly in the reliability of quick splicing. The traditional battery pack splicing method often needs to use bolts, nuts and other fasteners, which takes a long time to connect, and has problems such as loosening and corrosion, affecting the reliability of the connection.

[0004] In addition, the traditional connection method is difficult to realize the air circulation between multiple battery packs, which is easy to cause the overheating and shortening of the service life of the battery pack.

[0005] Therefore, it is necessary to improve the existing battery pack splicing structure. SUMMARY

[0006] In view of the deficiencies in the prior art, the technical problem to be solved by the utility model is to provide a power supply device with modularization splicing structure, and the purpose of designing the power supply device is to facilitate the splicing and replacement of the battery pack.

[0007] To solve the above technical problems, the utility model realizes the following scheme: a power supply device with modularization splicing structure, comprising a plurality of power supplies, the plurality of power supplies are spliced through a heat dissipation module;

[0008] The heat dissipation module comprises:

[0009] A wind power generating device in the middle;

[0010] Two symmetrical heat sinks connected to the two sides of the wind power generating device, and two heat sinks are respectively connected with two adjacent power supplies.

[0011] Further, the wind power generating device comprises a fan frame and a turbine fan;

[0012] The fan frame has a frame with two openings and a first heat dissipation fin arranged at one end of the frame, and the first heat dissipation fin and the frame have an air duct inside;

[0013] The turbine fan is installed in the frame, and an air outlet end of the turbine fan faces the air duct.

[0014] Further, the turbine fan is a turbine fan with air inlet on two sides.

[0015] Further, two heat sinks are respectively fixed on two sides of the fan frame, one side of the heat sink is a flat surface and is attached to the power supply, and the other side is a fin surface which faces the air inlet end of the turbine fan.

[0016] One side of the heat sink is further provided with an air inlet channel which is away from the air duct and communicates with the gap of the fin surface, and the other side of the heat sink is closed.

[0017] Further, the quick connection structure of the heat sink and the power supply includes one of a magnetic attraction connection structure and a buckle connection structure.

[0018] Further, the magnetic attraction connection structure includes:

[0019] A first recess is arranged on one side of the power supply;

[0020] A first magnetic attraction member is embedded in the first recess, and the first recess has a space after the first magnetic attraction member is fixed.

[0021] A second magnetic attraction member is fixed on the side of the heat sink, and the second magnetic attraction member can enter the space and be magnetically connected with the first magnetic attraction member.

[0022] Further, the first magnetic attraction member is an iron block or a magnetic block, and the second magnetic attraction member is an iron block or a magnetic block.

[0023] When the first magnetic attraction member is an iron block, the second magnetic attraction member is a magnetic block.

[0024] When the first magnetic attraction member is a magnetic block, the second magnetic attraction member is an iron block.

[0025] When the first magnetic attraction member and the second magnetic attraction member are both magnetic blocks, the installation directions of the two magnetic blocks are mutual attraction directions.

[0026] Further, the buckle connection structure includes:

[0027] A second recess is arranged on one side of the power supply;

[0028] A male buckle part is installed in the second recess;

[0029] A female buckle part is installed on the side of the heat sink.

[0030] Further, the male buckle part includes:

[0031] A seat block is fixed in the second recess, and the seat block is provided with an arc groove.

[0032] Two locking blocks are axially connected to the seat block, and the two locking blocks combine to form an openable and closable circular groove;

[0033] Two springs are symmetrically fixed on both sides of the seat block with the arc groove as the center, and the outer ends of the two springs are also connected and fixed to the two locking blocks one-to-one.

[0034] The female buckle is an integral structure, comprising:

[0035] Side strips;

[0036] A sphere fixed to one side of the side strip, the sphere being able to open the circular groove and be held in place by the two locking blocks.

[0037] Compared with the prior art, the beneficial effects of this utility model are:

[0038] 1. This utility model uses multiple power supplies connected by heat dissipation mold lines to improve assembly and disassembly efficiency, and also avoids direct contact between the multiple power supplies.

[0039] 2. The heat dissipation module of this utility model has heat dissipation capability. Each pair of adjacent power supplies is equipped with a heat dissipation module to improve heat dissipation efficiency. Attached Figure Description

[0040] Figure 1 This is a structural diagram showing the connection of multiple power supplies through a heat dissipation module according to this utility model.

[0041] Figure 2 This is a pre-installation structural diagram of the two power supply units and heat dissipation module of this utility model.

[0042] Figure 3 This is an enlarged view of the heat dissipation module structure of this utility model.

[0043] Figure 4 This is a schematic diagram of the fastening structure of this utility model.

[0044] The following components are labeled in the attached diagram: power supply 1, heat dissipation module 2, fastening structure 3, heat sink 21, turbine fan 22, fan bracket 23, second magnetic clasp 24, seat block 31, spring 32, locking block 33, side strip 34, and ball 35. Detailed Implementation

[0045] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments, so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present utility model. Obviously, the embodiments described in this utility model are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0046] Furthermore, the technical features involved in the different embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0047] Example 1: The specific structure of this utility model is as follows:

[0048] Please refer to the appendix. Figures 1-3 This utility model discloses a power supply device with a modular splicing structure, comprising multiple power supply units 1, which are spliced ​​together by a heat dissipation module 2; as shown below. Figure 1 As shown, Figure 1 There are four power supply units 1 and three heat dissipation modules 2, with one heat dissipation module 2 placed between every two power supply units 1. Since each power supply unit 1 is separated by the heat dissipation module 2, direct contact between multiple power supply units is avoided, and the heat generated can be dissipated by the heat dissipation module 2, improving heat dissipation efficiency.

[0049] The heat dissipation module 2 includes a central wind generator and two symmetrically connected heat sinks 21 on either side of the wind generator. Each heat sink 21 is connected to one of two adjacent power supplies 1. The wind generator includes a fan frame 23 and a turbine fan 22. The fan frame 23 has a frame with openings on both sides and a first heat dissipation fin located on one side of the frame. The first heat dissipation fin and the frame have internal air ducts. The turbine fan 22 is installed within the frame, with its exhaust end facing the air ducts. The turbine fan 22 is a turbine fan with a two-sided air intake structure.

[0050] Two heat sinks 21 are fixed to opposite sides of the fan bracket 23. One side of each heat sink 21 is flat and in contact with the power supply 1, while the other side is a finned surface facing the air intake of the turbine fan 22. Thermal paste can be applied between the flat surface of the heat sink 21 and the power supply 1 to increase heat conduction efficiency. One side of each heat sink 21 also has an air intake channel that is away from the air duct and communicates with the gap between the fins. The other sides of the heat sink 21 are closed. Figure 2 As shown, the heat sink 21 absorbs heat from the power supply 1. When the turbine fan 22 is powered on, Figure 2The cold air enters from the bottom of the two radiators 21, passes through the gap between the fin faces of the two radiators 21, enters the two air inlet faces of the turbine fan 22, and is finally discharged from the upper end of the fan frame 23.

[0051] Embodiment 2:

[0052] The quick connection structure of the radiator 21 and the power supply 1 includes one of a magnetic connection structure and a buckle structure 3.

[0053] Embodiment 3:

[0054] The following is an explanation of the magnetic connection structure:

[0055] As shown in Figures 2-3 , the magnetic connection structure includes:

[0056] a first recess 11 provided on one side of the power supply 1;

[0057] a first magnetic member embedded in the first recess 11, wherein the first recess 11 has a space after the first magnetic member is fixed;

[0058] a second magnetic member 24 fixed on the side of the radiator 21, wherein the second magnetic member 24 can enter the space and be magnetically connected with the first magnetic member.

[0059] The first magnetic member is an iron block or a magnetic block, and the second magnetic member 24 is an iron block or a magnetic block;

[0060] When the first magnetic member is an iron block, the second magnetic member 24 is a magnetic block;

[0061] When the first magnetic member is a magnetic block, the second magnetic member 24 is an iron block;

[0062] When the first magnetic member and the second magnetic member 24 are both magnetic blocks, the installation direction of the two magnetic blocks is the mutual attraction direction.

[0063] When multiple groups of power supplies 1 are spliced, the second magnetic member 24 of the heat dissipation module 2 is aligned with the first recess 11 of the power supply 1 and is sequentially magnetically fixed, forming an installation structure as shown in Figure 1 , and the splicing is quick.

[0064] Embodiment 3:

[0065] The following is an explanation of the buckle structure 3:

[0066] The buckle structure 3 includes:

[0067] a second recess provided on one side of the power supply 1;

[0068] a male buckle portion installed in the second recess;

[0069] The female buckle part is installed on the side of the heat sink 21.

[0070] The male buckle part comprises:

[0071] A seat block 31 is fixed to the second groove, and the seat block 31 is provided with an arc groove;

[0072] Two clamping blocks 33 are connected to the seat block 31, and the two clamping blocks 33 are combined into an openable and closable circular groove;

[0073] Two springs 32 are fixed to the two sides of the seat block 31 in a center-symmetrical manner with the arc groove as the center, and the outer ends of the two springs 32 are further connected and fixed to the two clamping blocks 33 in a one-to-one manner;

[0074] The female buckle part is of an integrated structure, and comprises:

[0075] A side strip 34;

[0076] A spherical body 35 is fixed to one side of the side strip 34, and the spherical body 35 can support the opening of the circular groove and be clamped by the two clamping blocks 33.

[0077] In the design, the male buckle part is arranged in the second groove, and after the female buckle part is buckled into the male buckle part, the plane of the heat sink 21 can be tightly attached to one side of the power supply module 1, and the plane of the heat sink 21 and the power supply module 1 are coated with a heat-conducting paste, so that the heat conduction efficiency is increased.

[0078] In summary, the plurality of power supply sources are spliced by the heat dissipation module, the disassembly and assembly efficiency is improved, and the plurality of power supply sources are also avoided from being directly contacted by the heat dissipation module. The heat dissipation module has a heat dissipation capacity, and one heat dissipation module is arranged between every two adjacent power supply sources, so that the heat dissipation efficiency is improved.

[0079] The above only describes the preferred embodiments of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion, direct or indirect application in other related technical fields by using the contents of the utility model specification and drawings are also included in the patent protection range of the utility model.

Claims

1. A power supply device having a modular assembly structure, comprising a plurality of power supply groups (1), characterized in that, Multiple groups of power supply (1) are spliced by heat dissipation module (2); The heat dissipation module (2) comprises: A wind power generation device in the middle; Two symmetrical heat sinks (21) connected to the two sides of the wind power generation device, and the two heat sinks (21) are respectively connected to the adjacent two groups of power supply (1).

2. The power supply device having a modularized splicing structure according to claim 1, characterized in that, The wind power generation device comprises a fan frame (23) and a turbine fan (22); The fan frame (23) has a frame with two openings and a first heat dissipation fin arranged at one end of the frame, and the first heat dissipation fin and the frame have an air duct inside; The turbine fan (22) is arranged in the frame, and the air outlet end of the turbine fan (22) faces the air duct.

3. The power supply device having a modularized splicing structure according to claim 2, characterized in that, The turbine fan (22) is a turbine fan with air inlet on both sides.

4. The power supply device having a modularized splicing structure according to claim 2, characterized in that, Two heat sinks (21) are respectively fixed on the two sides of the fan frame (23), one side of the heat sink (21) is a plane and is attached to the power supply (1), and the other side is a fin surface opposite to the air inlet end of the turbine fan (22); One side of the heat sink (21) is also provided with an air inlet channel away from the air duct and communicating with the gap of the fin surface, and the other side of the heat sink (21) is closed.

5. The power supply device having a modularized splicing structure according to claim 1, characterized in that, The quick connection structure of the heat sink (21) and the power supply (1) comprises one of magnetic attraction connection structure and buckle connection structure (3).

6. The power supply device having a modularized splicing structure according to claim 5, wherein, The magnetic attraction connection structure comprises: A first recess (11) arranged on one side of the power supply (1); A first magnetic attraction member embedded in the first recess (11), and the first recess (11) has a space after the first magnetic attraction member is fixed; A second magnetic attraction member (24) fixed on the side of the heat sink (21), which can enter the space and be magnetically connected with the first magnetic attraction member.

7. The power supply device having a modularized splicing structure according to claim 6, characterized in that, The first magnetic attraction member is an iron block or a magnetic block, and the second magnetic attraction member (24) is an iron block or a magnetic block; When the first magnetic attraction member is an iron block, the second magnetic attraction member (24) is a magnetic block; When the first magnetic attraction member is a magnetic block, the second magnetic attraction member (24) is an iron block; When the first magnetic attraction member and the second magnetic attraction member (24) are both magnetic blocks, the installation direction of the two magnetic blocks is the mutual attraction direction.

8. The power supply device having a modularized splicing structure according to claim 5, wherein, The buckle connection structure (3) comprises: A second recess arranged on one side of the power supply (1); A male buckle part installed in the second recess; A female buckle part installed on the side of the heat sink (21).

9. The power supply device having a modularized splicing structure according to claim 8, wherein, The male buckle part comprises: A seat block (31) fixed in the second recess, which is provided with an arc groove; Two clamping blocks (33) connected with the seat block (31), which are combined into an openable circular groove; Two springs (32) fixed on the two sides of the seat block (31) with the arc groove as the center, and the outer ends of the two springs (32) are also connected with the two clamping blocks (33) one by one. The female buckle part is an integral structure, which comprises: A side strip (34); A spherical body (35) fixed on one side of the side strip (34), which can support the circular groove and be clamped by the two clamping blocks (33).