High-heat-dissipation conducting bar structure based on special-shaped cross section

By using an irregular cross-section design and a heat dissipation strip made of paraffin-based composite material, the heat dissipation problem of the busbar under high current scenarios is solved, achieving efficient heat dissipation and stable connection, and meeting the usage requirements of high current conditions.

CN224036098UActive Publication Date: 2026-03-24江苏华森精密科技有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-15
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing rectangular or circular busbars have poor heat dissipation performance under high current scenarios and cannot meet the requirements for efficient heat dissipation.

Method used

The design adopts an irregular cross-section, including opening arc-shaped grooves in the middle of both sides of the conductor body and embedding heat dissipation strips to increase the heat dissipation area. The high and low convex and concave structure is formed by the sawtooth groove to increase the air contact area. At the same time, the heat dissipation strips are made of paraffin-based composite material and are fixedly connected by quick-connect end caps and bolts.

Benefits of technology

It achieves efficient heat dissipation of the busbar, reduces resistivity, homogenizes current distribution, reduces the risk of local overheating, and improves connection stability and electrical performance reliability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a high heat dissipation conducting bar structure based on a special-shaped cross section, which comprises a conducting bar body, arc-shaped grooves are formed in the middle parts of the two sides of the conducting bar body, symmetrically distributed heat dissipation strips are arranged in the arc-shaped grooves, and sawtooth grooves are formed in the conducting bar body corresponding to the two ends of the arc-shaped grooves. The middle parts of the two sides of the conducting bar body are provided with arc-shaped grooves, the heat dissipation strip is made of paraffin-based composite materials, the two ends of the conducting bar body are respectively provided with a first connecting end head and a second connecting end head, and the two conducting bar bodies are respectively connected through the first connecting end head and the second connecting end head. By optimizing the shape of the cross section, keeping low resistance and high current-carrying capacity, homogenizing current distribution, reducing the oxidation or deformation risk caused by local overheating, increasing the heat dissipation area and directionally taking away heat, the heat dissipation use requirement of the large-current working condition is met.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of the conductive row, concretely relates to a high heat dissipation conductive row structure based on the special section. BACKGROUND

[0002] The conductive row is also called copper row, copper bus or copper busbar, is long conductor of rectangular or chamfered (rounded) rectangular section made of copper material, is called aluminum row made of aluminum material, and plays the role of conveying current and connecting electrical equipment in the circuit.

[0003] The existing conductive row adopts rectangular or circular structure, and heat is generated when being used in a large current scene, cannot be effectively dissipated, and cannot meet the use in the large current scene, therefore, the high heat dissipation conductive row structure based on the special section is provided. UTILITY MODEL CONTENT

[0004] The utility model discloses a high heat dissipation conductive row structure based on the special section to solve the problem in the background art.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a high heat dissipation conductive row structure based on the special section, including the conductive row body, the middle part of both sides of the conductive row body is equipped with the arc slot, the arc slot is provided with the symmetrical distribution heat dissipation strip, the both ends of the conductive row body are equipped with the sawtooth groove corresponding to the arc slot.

[0006] The both ends of the conductive row body are provided with the first connecting end head and the second connecting end head respectively, and the two conductive row bodies are connected through the first connecting end head and the second connecting end head.

[0007] Preferably, the arc slot is an arc slot body gradually deepening from both ends to the middle, and the middle part of the conductive row body forms an arc structure with a thin edge in the middle through the arc slot.

[0008] Preferably, the heat dissipation strip is embedded in the inner side of the conductive row body, and the heat dissipation strips in the arc slots on both sides of the conductive row body do not contact.

[0009] Preferably, the horizontal plane of the heat dissipation strip is higher than the horizontal plane of the outer side of the conductive row body.

[0010] Preferably, the heat dissipation strip is a rectangular strip prepared by using a paraffin-based composite material.

[0011] Preferably, the sawtooth groove forms a high-low convex-concave structure on the conductive row body.

[0012] Preferably, the contact surfaces of the first connecting end head and the second connecting end head are both matching inclined surface structures.

[0013] Preferably, a saw-shaped clamping groove is formed at the position corresponding to the inclined surface on the first connecting end, and a saw-shaped clamping strip is arranged at the position corresponding to the inclined surface on the second connecting end, and the saw-shaped clamping groove and the saw-shaped clamping strip are matched and clamped.

[0014] Preferably, bolt holes are formed on the first connecting end and the second connecting end, and the first connecting end and the second connecting end of the two conductive bus bodies are connected through the bolt holes and nuts.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] 1. The utility model discloses that the arc-shaped groove is formed in the middle part of the two sides of the conductive bus body, the middle part of the conductive bus body forms the arc-shaped structure of the thin edge and thick middle, the cross section thickness is unevenly distributed, the thickness increases in the area of high current density (such as the edge), the resistivity is reduced, the thickness reduces in the area of low current density (such as the center), the weight is reduced, the production material cost is reduced, the cross section shape is optimized, the low resistance, high current-carrying capacity are kept, the current distribution is homogenized, and the risk of oxidation or deformation caused by local overheating is reduced.

[0017] 2. The utility model discloses the heat dissipation strip prepared by adopting the paraffin base composite material, improves the heat dissipation performance, increases the heat dissipation area, and takes away heat in the direction, satisfies the heat dissipation use requirement of large current working condition.

[0018] 3. The utility model discloses the sawtooth groove, makes the high-low convex-concave structure on the conductive bus body, increases the heat dissipation area, significantly expands the air contact area, forms air turbulence, accelerates the air flow, and combines the heat dissipation strip, greatly improves the heat dissipation effect of the conductive bus.

[0019] 4. The utility model discloses that the first connecting end and the second connecting end realize the quick connection of two conductive buses, and the saw-shaped clamping groove and the saw-shaped clamping strip are matched and clamped, the bolt nut locking is adopted, the connection stability of two conductive buses is guaranteed, the unstable contact is avoided, and then the conductive bus connection stability and electrical performance reliability are improved. DRAWINGS

[0020] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model;

[0021] Figure 2 It is the whole three-dimensional structure schematic diagram of the utility model;

[0022] Figure 3 It is the main view structure schematic diagram of the utility model;

[0023] Figure 4This is a top view of the structure of this utility model;

[0024] Figure 5 This is a side sectional view of the present invention.

[0025] In the figure: 1. Conductive bus body; 2. Arc groove; 3. Heat sink strip; 4. Serrated groove; 5. First connecting end; 501. Serrated slot; 6. Second connecting end; 601. Serrated strip; 7. Bolt hole. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments 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 of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Please see Figures 1-5 The present invention provides a high heat dissipation conductive bus structure based on an irregular cross section, including a conductive bus body 1. Both sides of the conductive bus body 1 are provided with arc-shaped grooves 2. The arc-shaped grooves 2 are arc-shaped grooves that gradually deepen from both ends to the middle. The middle part of the conductive bus body 1 forms an arc-shaped structure that is thin in the middle and thick at the edges through the arc-shaped grooves 2.

[0028] This invention provides arc-shaped grooves 2 in the middle of both sides of the conductive bus body 1, so that the middle of the conductive bus body 1 forms an arc-shaped structure that is thin in the middle and thick at the edges. The cross-sectional thickness is not uniformly distributed. The thickness increases in areas with high current density (such as at the edges) to reduce resistivity, and the thickness decreases in areas with low current density (such as at the center) to reduce weight and reduce production material costs. By optimizing the cross-sectional shape, it maintains low resistance and high current carrying capacity, homogenizes the current distribution, and reduces the risk of oxidation or deformation caused by local overheating.

[0029] The arc-shaped groove 2 is provided with symmetrically distributed heat dissipation strips 3. The heat dissipation strips 3 are embedded in the inner side of the conductive bus body 1, and the heat dissipation strips 3 in the arc-shaped grooves 2 on both sides of the conductive bus body 1 do not contact each other. The horizontal plane of the heat dissipation strips 3 is higher than the outer horizontal plane of the conductive bus body 1. The heat dissipation strips 3 are rectangular strips made of paraffin-based composite material.

[0030] This utility model features a heat dissipation strip 3 made of paraffin-based composite material, which improves thermal conductivity and heat dissipation performance, increases heat dissipation area, and directionally removes heat to meet the heat dissipation requirements under high current conditions.

[0031] The conductive bus body 1 has serrated grooves 4 at both ends corresponding to the arc groove 2, and the serrated grooves 4 form a high and low convex and concave structure on the conductive bus body 1.

[0032] The utility model discloses a sawtooth groove 4 is provided with, makes the high and low convex and concave structure on the conductive row body 1, the special-shaped cross section design, increases the heat dissipation area, significantly expands the air contact area, and forms air turbulence, accelerates the air flow, in combination with the heat dissipation strip 3, greatly promotes the heat dissipation effect of the conductive row,

[0033] The both ends of the conductive row body 1 are respectively provided with the first connecting end 5 and the second connecting end 6, and the two conductive row bodies 1 are connected through the first connecting end 5 and the second connecting end 6 respectively, the contact surfaces of the first connecting end 5 and the second connecting end 6 are all adapted inclined surface structures, the saw-shaped clamping groove 501 is arranged on the first connecting end 5 at the position corresponding to the inclined surface, the saw-shaped clamping strip 601 is arranged on the second connecting end 6 at the position corresponding to the inclined surface, the saw-shaped clamping groove 501 and the saw-shaped clamping strip 601 are adapted and clamped, the bolt holes 7 are arranged on the first connecting end 5 and the second connecting end 6, and the first connecting end 5 and the second connecting end 6 of the two conductive row bodies 1 are connected through the bolt holes 7 and the nuts;

[0034] The utility model discloses the first connecting end 5 and the second connecting end 6 realize the quick connection of two conductive rows, and through the saw-shaped clamping groove 501 and the saw-shaped clamping strip 601 are adapted and clamped, adopt the bolt nut locking and fix, guarantee the connection stability of two conductive rows, avoid unstable contact, and further improve the conductive row connection stability and electrical performance reliability.

[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A high-heat-dissipation conductive busbar structure based on an irregular cross-section, characterized in that, The conductive bus body (1) includes an arc-shaped groove (2) on both sides of the conductive bus body (1), and symmetrically distributed heat dissipation strips (3) are provided in the arc-shaped groove (2). The conductive bus body (1) has serrated grooves (4) at both ends corresponding to the arc-shaped groove (2). The two ends of the conductive bus body (1) are respectively provided with a first connection end (5) and a second connection end (6), and the two conductive bus bodies (1) are connected through the first connection end (5) and the second connection end (6).

2. The high heat dissipation conductive busbar structure based on an irregular cross-section according to claim 1, characterized in that: The arc groove (2) is an arc groove that gradually deepens from both ends to the middle. The middle part of the conductive bus body (1) forms an arc structure that is thin in the middle and thick at the edges through the arc groove (2).

3. The high heat dissipation conductive busbar structure based on an irregular cross-section according to claim 1, characterized in that: The heat dissipation strip (3) is embedded in the inner side of the conductive bus body (1), and the heat dissipation strip (3) in the arc groove (2) on both sides of the conductive bus body (1) does not contact each other.

4. The high heat dissipation conductive busbar structure based on an irregular cross-section according to claim 3, characterized in that: The horizontal plane of the heat dissipation strip (3) is higher than the outer horizontal plane of the conductive busbar body (1).

5. A high-heat-dissipation conductive busbar structure based on an irregular cross-section according to claim 4, characterized in that: The heat dissipation strip (3) is a rectangular strip made of paraffin-based composite material.

6. The high heat dissipation conductive busbar structure based on an irregular cross-section according to claim 1, characterized in that: The sawtooth groove (4) forms a high-low convex-concave structure on the conductive bus body (1).

7. A high-heat-dissipation conductive busbar structure based on an irregular cross-section according to claim 1, characterized in that: The contact surfaces of the first connecting end (5) and the second connecting end (6) are both adapted inclined surface structures.

8. A high-heat-dissipation conductive busbar structure based on an irregular cross-section according to claim 7, characterized in that: A saw-shaped slot (501) is provided on the first connecting end (5) at the position corresponding to the inclined surface, and a saw-shaped strip (601) is provided on the second connecting end (6) at the position corresponding to the inclined surface. The saw-shaped slot (501) and the saw-shaped strip (601) are adapted to engage with each other.

9. A high-heat-dissipation conductive busbar structure based on an irregular cross-section according to claim 8, characterized in that: Both the first connecting end (5) and the second connecting end (6) are provided with bolt holes (7). The first connecting end (5) and the second connecting end (6) of the two conductive busbar bodies (1) are connected by bolts passing through the bolt holes (7) and nuts.