CN212304641U

CN212304641U - Bus duct

Info

Publication number: CN212304641U
Application number: CN202020912198.1U
Authority: CN
Inventors: 曹云峰; 万超建; 姚勇; 钱亮
Original assignee: Zhenjiang Yituo Electric Co ltd
Current assignee: Zhenjiang Yituo Electric Co ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2021-01-05
Anticipated expiration: 2030-05-26

Abstract

The utility model provides a bus duct relates to power supply unit technical field, the bus duct includes: the bus duct comprises an outer shell and a plurality of conductive units, wherein the conductive units are arranged in the outer shell and are arranged at intervals along the width direction of the bus duct, and a heat dissipation channel is formed between every two adjacent conductive units; the conductive unit comprises an inner shell, a conductor and an insulating filling layer, wherein the conductor is positioned in the inner shell, and the insulating filling layer is filled between the inner shell and the conductor. The conductor is independently assembled in the inner shell, the outer part of the inner shell is also protected by the outer shell, and the insulating filling layer is slightly influenced by the outside. And gaps are formed among the conductive units, so that a heat dissipation channel can be formed, heat generated by the conductive units can be radiated to the outside along the heat dissipation channel, and heat accumulation in the bus duct is reduced.

Description

Bus duct

Technical Field

The utility model belongs to the technical field of the power supply unit technique and specifically relates to a bus duct is related to.

Background

Along with the emergence of modern engineering facilities and equipment, the power consumption of various industries is increased rapidly, especially the appearance of numerous high-rise buildings and large-scale factory workshops, so that the traditional cable serving as a power transmission lead cannot meet the requirements in a large-current transmission system, meanwhile, the parallel connection of multiple cables brings inconvenience for on-site installation, construction and connection, and the bus duct serves as a novel distribution lead and has great superiority in large-current transmission.

The existing bus duct comprises a plurality of conductors, insulating materials are injected on the outer sides of the conductors, and the solidified insulating materials wrap the conductors, so that an outer shell is formed, the injection molding materials are easy to crack under severe environment, the conductors are exposed, and danger is caused; in addition, the heat dissipation of the completely wrapped conductor is poor, and the conduction is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bus duct to alleviate current bus duct and receive the influence of environment easily and damaged, and the poor technical problem of heat-sinking capability.

The embodiment of the utility model provides a pair of bus duct, the bus duct includes: the bus duct comprises an outer shell and a plurality of conductive units, wherein the conductive units are arranged in the outer shell and are arranged at intervals along the width direction of the bus duct, and a heat dissipation channel is formed between every two adjacent conductive units;

the conductive unit comprises an inner shell, a conductor and an insulating filling layer, wherein the conductor is positioned in the inner shell, and the insulating filling layer is filled between the inner shell and the conductor.

Furthermore, the shell body is provided with a limiting structure, and the limiting structure is used for limiting the conductive unit in the width direction of the bus duct.

Furthermore, the limiting structure comprises a first limiting unit and a second limiting unit, and the first limiting unit and the second limiting unit are stopped at two sides of the conductive unit.

Furthermore, the shell body is provided with heat dissipation holes.

Furthermore, one end of the first limiting unit is connected with the edge of the heat dissipation hole, and the first limiting unit and the outer shell are integrally formed; and/or the presence of a gas in the gas,

one end of the second limiting unit is connected with the edge of the heat dissipation hole, and the second limiting unit and the outer shell are integrally formed.

Further, the material of the outer shell is metal.

Further, the material of the insulating filling layer comprises resin and volcanic rock.

Further, the outer shell comprises an upper cover and a lower cover, and a limiting structure is arranged on the upper cover and/or the lower cover.

Further, the inside bearing structure that is provided with of interior casing, bearing structure is used for supporting between conductor and interior casing, avoids conductor and interior casing contact.

Further, two ends of the inner shell are provided with sealing structures.

The embodiment of the utility model provides a bus duct includes: the bus duct comprises a shell and a plurality of conductive units, wherein the conductive units are arranged in the shell and are arranged at intervals in the width direction of the bus duct, and a heat dissipation channel is formed between every two adjacent conductive units. The conductive unit comprises an inner shell, a conductor and an insulating filling layer, wherein the conductor is positioned in the inner shell, and the insulating filling layer is filled between the inner shell and the conductor. The conductor is independently assembled in the inner shell, the outer part of the inner shell is also protected by the outer shell, and the insulating filling layer is slightly influenced by the outside. And gaps are formed among the conductive units, so that a heat dissipation channel can be formed, heat generated by the conductive units can be radiated to the outside along the heat dissipation channel, and heat accumulation in the bus duct is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a bus duct provided in an embodiment of the present invention;

fig. 2 is a cross-sectional view of a bus duct provided by an embodiment of the present invention;

fig. 3 is a partially enlarged view of a position a in fig. 1.

Icon: 100-an outer shell; 200-a conductive element; 210-an inner housing; 220-a conductor; 230-insulating filling layer; 310-a first stop unit; 320-a second limiting unit; 400-heat dissipation holes.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 and fig. 2, the embodiment of the present invention provides a bus duct, which includes: the bus duct comprises an outer shell 100 and a plurality of conductive units 200, wherein the conductive units 200 are arranged in the outer shell 100, and the conductive units 200 are arranged at intervals along the width direction of the bus duct.

The quantity of electrically conductive unit 200 is a plurality of, and in this embodiment, the quantity of electrically conductive unit 200 is five, and electrically conductive unit 200 extends the setting along the length direction of bus duct, and has the clearance between two adjacent electrically conductive units 200, and this clearance forms radiating clearance, and the heat that conductor 220 in electrically conductive unit 200 produced spreads from both ends through this clearance, can avoid the interior heat gathering of bus duct, and bus duct work is more stable.

The outer casing 100 can provide protection for the conductive unit 200, and the material of the outer casing 100 can be stainless steel, and is acid and alkali resistant, and simultaneously, can avoid the conductive unit 200 to receive the shining of sunshine.

The conductive unit 200 includes an inner housing 210, a conductor 220, and an insulating filling layer 230, wherein the conductor 220 is located in the inner housing 210, and the insulating filling layer 230 is filled between the inner housing 210 and the conductor 220. The conductors 220 are individually assembled inside the inner housing 210 and the outside of the inner housing 210 is also protected by the outer housing 100, and the insulating filling layer 230 is less affected by the outside.

The material of the insulating filling layer 230 may include resin and insulating material such as volcanic rock, the insulating filling layer 230 may be formed by injection molding and then cured, and the conductor 220 and the inner housing 210 are separated by the insulating filling layer 230.

The outer shell 100 is provided with a limiting structure, and the limiting structure is used for limiting the conductive unit in the width direction of the bus duct.

In order to facilitate the installation of the conductive unit and avoid the conductive unit from shaking relative to the outer shell 100, a structure for limiting the conductive unit in the width direction is provided on the outer shell 100, specifically, the limiting structure includes a first limiting unit 310 and a second limiting unit 320, and the first limiting unit 310 and the second limiting unit 320 are stopped at two sides of the conductive unit.

The first and second

limiting units

310 and 320 may have a column structure or a sheet structure.

When the first limiting units 310 and the second limiting units 320 are of a columnar structure, the number of the first limiting units 310 and the number of the second limiting units 320 are multiple, the multiple first limiting units 310 are arranged along the length direction of the bus duct, and the multiple second limiting units 320 are arranged along the length direction of the bus duct.

The heat dissipation holes 400 are formed in the outer case 100.

In order to further increase the heat dissipation capability, a heat dissipation through hole may be formed in the outer casing 100, so as to sufficiently transfer the heat in the outer casing 100 to the outside.

The number of the heat dissipation holes 400 may be plural.

As shown in fig. 3, one end of the first position-limiting unit 310 is connected to the edge of the heat dissipation hole 400, and the first position-limiting unit 310 is integrally formed with the outer housing 100; and/or, one end of the second limiting unit 320 is connected to the edge of the heat dissipation hole 400, and the second limiting unit 320 is integrally formed with the outer housing 100.

In order to increase the convenience of processing and reduce the raw materials, the heat dissipation hole 400 may be obtained by stamping, the outer casing 100 is stamped, the stamped shape is U-shaped, one end of the sheet structure at the position of the original heat dissipation hole 400 after stamping is connected to the outer casing 100, and after bending, the first limiting unit 310 or the second limiting unit 320 may be formed, or the first limiting unit 310 or the second limiting unit 320 may be formed at the same time, so that the raw materials of the outer casing 100 are fully utilized.

Further, the outer casing 100 includes an upper cover and a lower cover, and a limiting structure is disposed on the upper cover and/or the lower cover.

The upper cover or the lower cover can be separately provided with a limiting structure, and the upper cover and the lower cover can be both provided with limiting structures.

The heat dissipation hole 400 may also be provided on the upper cover or the lower cover.

The outer shell 100 further comprises a left wall and a right wall, and the upper cover, the lower cover, the left wall and the right wall are connected end to form the cylindrical outer shell 100.

The inner housing 210 is provided with a support structure inside for supporting between the conductor 220 and the inner housing 210, avoiding the conductor 220 to contact the inner housing 210.

The supporting structure may be an annular ceramic ring sleeved outside the conductor 220 to support the conductor 220, so as to prevent the conductor 220 and the inner shell 210 from contacting during pouring of the insulating filling layer 230 material.

The number of support structures is plural along the length of the conductor 220.

Both ends of the inner case 210 are provided with sealing structures for preventing the raw material of the insulating filling layer 230 from flowing out.

The sealing structure may be a sealing plug for sealing the end of the inner housing 210, the conductor 220 passing through the sealing plug, and the gap between the sealing plug and the conductor 220 being neglected. The conductor 220 and the sealing structure at one end of the inner housing 210 can be inserted first, then the raw material of the insulating filling layer 230 is poured inwards from the other end, and after the raw material is solidified, the sealing structure at the other end is inserted with the conductor 220.

To sum up, the embodiment of the utility model provides a bus duct includes: the bus duct comprises an outer shell 100 and a plurality of conductive units 200, wherein the conductive units 200 are arranged in the outer shell 100, and the conductive units 200 are arranged at intervals along the width direction of the bus duct. The conductive unit 200 includes an inner housing 210, a conductor 220, and an insulating filling layer 230, wherein the conductor 220 is located in the inner housing 210, and the insulating filling layer 230 is filled between the inner housing 210 and the conductor 220. The conductors 220 are individually assembled inside the inner housing 210 and the outside of the inner housing 210 is also protected by the outer housing 100, and the insulating filling layer 230 is less affected by the outside. Moreover, gaps are formed among the conductive units 200, so that a heat dissipation channel can be formed, and heat generated by the conductive units 200 can be radiated to the outside along the heat dissipation channel, so that heat accumulation in the bus duct is reduced.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A bus duct, its characterized in that, bus duct includes: the bus duct comprises an outer shell (100) and a plurality of conductive units (200), wherein the conductive units (200) are arranged in the outer shell (100), the conductive units (200) are arranged at intervals in the width direction of the bus duct, and a heat dissipation channel is formed between every two adjacent conductive units;

the conductive unit (200) comprises an inner shell (210), a conductor (220) and an insulating filling layer (230), wherein the conductor (220) is positioned in the inner shell (210), and the insulating filling layer (230) is filled between the inner shell (210) and the conductor (220).

2. The bus duct according to claim 1, characterized in that a limiting structure is arranged on the outer casing (100) and used for limiting the conductive unit in the width direction of the bus duct.

3. The bus duct of claim 2, wherein the limiting structure comprises a first limiting unit (310) and a second limiting unit (320), and the first limiting unit (310) and the second limiting unit (320) are stopped at two sides of the conductive unit.

4. The bus duct of claim 3, wherein the outer casing (100) is provided with heat dissipation holes (400).

5. The bus duct according to claim 4, wherein one end of the first limiting unit (310) is connected with the edge of the heat dissipation hole (400), and the first limiting unit (310) is integrally formed with the outer shell (100); and/or the presence of a gas in the gas,

one end of the second limiting unit (320) is connected with the edge of the heat dissipation hole (400), and the second limiting unit (320) and the outer shell (100) are integrally formed.

6. The bus duct of claim 1, wherein the material of the outer casing (100) is metal.

7. The bus duct according to claim 2, characterized in that the outer casing (100) comprises an upper cover and a lower cover, and the limiting structure is arranged on the upper cover and/or the lower cover.

8. The bus duct of claim 1, wherein a support structure is disposed inside the inner housing (210) for supporting between the conductor (220) and the inner housing (210) to avoid contact of the conductor (220) with the inner housing (210).

9. The bus duct of claim 8, wherein both ends of the inner housing (210) are provided with a sealing structure.