Bus duct with heat dissipation structure

Abstract

The utility model relates to the technical field of bus ducts, and specifically discloses a bus duct with a heat dissipation structure, cover plates are arranged in parallel in pairs, side plates are C-shaped plate body structures, the two side plates are respectively located at two side positions of a cavity between the two cover plates, a plurality of copper bars are arranged in parallel in the cavity structure enclosed by the cover plates and the side plates, and the copper bars are arranged in parallel in the cavity structure. The insulating film is sleeved outside the copper bar, the heat conducting plate is of a C-shaped plate body structure, and a top plate and a bottom plate of the heat conducting plate are respectively clamped between the top plate and the bottom plate of the side plate and the corresponding cover plate; the copper bars on the two sides are clamped between the vertical plates of the heat conduction plates and the vertical plates of the side plates, and the copper bar in the middle is clamped between the vertical plates of the two heat conduction plates. The problem of poor heat dissipation performance of the bus duct is well solved.

Description

Technical Field

[0001] The utility model relates to the technical field of busbars, and particularly relates to a busbar with a heat dissipation structure. Background Technique

[0002] A busbar is a new type of conductor formed by using copper or aluminum as a conductor, supported by non-flammable insulation, and then installed in a metal groove, and is used to distribute relatively large power to each component of a decentralized system. It has increasingly replaced wire and cable in indoor low-voltage power transmission trunk line engineering projects.

[0003] At present, in commonly used busbars, there is a phenomenon that the heat of the conductor copper bars is concentrated, and the internal heat dissipation is poor, resulting in a relatively high temperature rise of the busbar during use, thus affecting the overall service life of the busbar. Content of the Utility Model

[0004] The purpose of the utility model is to provide a busbar with a heat dissipation structure, which is used to solve the problem of poor heat dissipation performance of the current busbar.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A busbar with a heat dissipation structure, the cover plates are arranged in pairs and parallel, the side plates are C-shaped plate structures, and the two side plates are respectively located on both sides of the cavity between the two cover plates. A plurality of copper bars are arranged in parallel in the cavity structure surrounded by the cover plates and the side plates, the insulating film is sleeved outside the copper bars, the heat conduction plates are C-shaped plate structures, and the top and bottom plates of the heat conduction plates are respectively clamped between the top and bottom plates of the side plates and the corresponding cover plates; the copper bars at both sides are clamped between the vertical plates of the heat conduction plates and the vertical plates of the side plates, and the copper bars in the middle position are clamped between the vertical plates of the two heat conduction plates.

[0006] Preferably, the cover plates, the side plates, and the heat conduction plates are all made of aluminum alloy.

[0007] Preferably, strip-shaped limiting protrusions are respectively arranged at the positions of the cover plates corresponding to the outer ends of the top and bottom plates of the heat conduction plates.

[0008] Preferably, a plurality of first through holes are respectively arranged at positions near both sides of the cover plates along its axis, second through holes are respectively arranged at the positions of the top and bottom plates of the side plates corresponding to the first through holes, third through holes are respectively arranged at the positions of the top and bottom plates of the heat conduction plates corresponding to the second through holes, and bolts are jointly sleeved in the corresponding first through holes, second through holes, and third through holes.

[0009] Preferably, the outer ends of the top and bottom plates of the side plates are respectively aligned with the outer ends of the top and bottom plates of the corresponding heat conduction plates.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] In a busbar with a heat dissipation structure according to the present utility model, copper bars are sandwiched between heat conduction plates or between a heat conduction plate and a side plate, so as to ensure that the heat generated during the operation of the copper bars can be timely transferred to the heat conduction outer shell structure or directly to the outer shell structure through the heat conduction plates, thereby greatly improving the heat dissipation performance and achieving the purpose of extending the service life of the busbar. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic cross-sectional structure diagram of the whole of the present utility model;

[0013] Figure 2 It is a three-dimensional structure diagram of the cover plate of the present utility model;

[0014] Figure 3 It is a three-dimensional structure diagram of the side plate of the present utility model;

[0015] Figure 4 It is a three-dimensional structure diagram of the heat conduction plate of the present utility model.

[0016] In the figure: 1 - cover plate; 1.1 - strip-shaped limiting protrusion; 1.2 - first through hole;

[0017] 2 - side plate; 2.1 - second through hole;

[0018] 3 - copper bar;

[0019] 4 - insulating film;

[0020] 5 - heat conduction plate; 5.1 - third through hole;

[0021] 6 - bolt. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0023] Please refer to Figures 1-4 , the present utility model provides a technical solution: a busbar with a heat dissipation structure, the cover plates 1 are arranged in parallel pairs, the side plates 2 are C-shaped plate structures, and the two side plates 2 are respectively located on both sides of the cavity between the two cover plates 1, that is, the cover plates 1 and the side plates 2 together form an outer shell structure.

[0024] A plurality of copper bars 3 are arranged in parallel in the cavity structure of the outer shell structure formed by the cover plates 1 and the side plates 2, and the insulating film 4 is sleeved outside the copper bars 3.

[0025] The heat conducting plate 5 is in a C-shaped plate body structure, and the top and bottom plates of the heat conducting plate 5 are respectively clamped between the top and bottom plates of the side plate 2 and the corresponding cover plate 1.

[0026] The copper bars 3 at both sides are clamped between the vertical plates of the heat conducting plate 5 and the vertical plates of the side plate 2, and the copper bars 3 at the middle position are clamped between the vertical plates of two heat conducting plates 5. Among them, a plurality of first through holes 1.2 are uniformly arranged along the axial direction of the cover plate 1 near both sides respectively, second through holes 2.1 are respectively arranged at the positions of the top and bottom plates of the side plate 2 corresponding to the first through holes 1.2, third through holes 5.1 are respectively arranged at the positions of the top and bottom plates of the heat conducting plate 5 corresponding to the second through holes 2.1, and bolts 6 are jointly sleeved in the corresponding first through holes 1.2, second through holes 2.1 and third through holes 5.1. The cover plate 1, the side plate 2 and the heat conducting plate 5 are all made of aluminum alloy material.

[0027] During use, the cover plate 1 and the side plate 2 form a heat conducting outer shell mechanism. The insulating film 4 is an insulating structure between adjacent copper bars 3 and between the copper bars 3 and the side plate 2 and the heat conducting plate 5. There are four copper bars 3, and the two at the middle are clamped between the vertical plates of two heat conducting plates 5; the two copper bars 3 at both sides are respectively clamped between the vertical plates of the heat conducting plate 5 and the vertical plates of the side plate 2. One side of the top and bottom plates of the heat conducting plate 5 is attached to the cover plate 1, and the other side is attached to the top and bottom plates of the side plate 2, so as to ensure that the heat conducting plate 5 can quickly transfer the heat it absorbs to the heat conducting outer shell structure in time.

[0028] In order to position the heat conducting plate 5, strip-shaped limiting protrusions 1.1 are respectively arranged at the positions of the cover plate 1 corresponding to the outer ends of the top and bottom plates of the heat conducting plate 5.

[0029] The outer ends of the top and bottom plates of the side plate 2 are respectively aligned with the outer ends of the top and bottom plates of the corresponding heat conducting plate 5, so as to ensure that the contact area between the top and bottom plates of the heat conducting plate 5 and the top and bottom plates of the side plate 2 is increased as much as possible and ensure the regularity of the overall structure of the busbar.

[0030] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "including", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0031] Although embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bus duct with a heat dissipation structure, characterized in that: include: Cover plates (1), the cover plates (1) being arranged in pairs in parallel; A side plate (2), wherein the side plate (2) is a C-shaped plate structure, and the two side plates (2) are respectively located at two sides of the cavity between the two cover plates (1); Copper bars (3), a plurality of the copper bars (3) are arranged in parallel in a cavity structure surrounded by the cover plate (1) and the side plate (2); An insulating film (4), wherein the insulating film (4) is sleeved on the outside of the copper busbar (3); A heat conducting plate (5), the heat conducting plate (5) being a C-shaped plate structure, the top and bottom plates of the heat conducting plate (5) being respectively clamped between the top and bottom plates of the side plate (2) and the corresponding cover plate (1); The copper bars (3) at the two side positions are clamped between the vertical plates of the heat conducting plate (5) and the vertical plates of the side plates (2), and the copper bars (3) at the middle position are clamped between the vertical plates of the two heat conducting plates (5).

2. The bus duct with a heat dissipation structure according to claim 1, characterized in that: The cover plate (1), the side plate (2) and the heat conducting plate (5) are all made of aluminum alloy.

3. The bus duct with a heat dissipation structure according to claim 1, characterized in that: The cover plate (1) is provided with strip-shaped limiting protrusions (1.1) at positions corresponding to the outer ends of the top and bottom plates of the heat conducting plate (5).

4. The bus duct with a heat dissipation structure according to claim 3, characterized in that: The cover plate (1) is provided with a plurality of first through holes (1.2) evenly along its axial direction at positions near both sides, the top and bottom plates of the side plate (2) are provided with second through holes (2.1) at positions corresponding to the first through holes (1.2), and the top and bottom plates of the heat conducting plate (5) are provided with third through holes (5.1) at positions corresponding to the second through holes (2.1), and bolts (6) are collectively sleeved inside the first through holes (1.2) and the corresponding second through holes (2.1) and the third through holes (5.1).

5. The bus duct with a heat dissipation structure according to claim 1, characterized in that: The outer ends of the top and bottom plates of the side plates (2) are respectively aligned with the corresponding outer ends of the top and bottom plates of the heat conducting plates (5).

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