CN213815628U

CN213815628U - Insulating tubular busbar

Info

Publication number: CN213815628U
Application number: CN202023273863.6U
Authority: CN
Inventors: 张明哲; 刘春明; 徐亮
Original assignee: Jinan Dingtuo Electric Co ltd
Current assignee: Jinan Dingtuo Electric Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-07-27
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses an insulating cast generating line relates to power transmission bus structure technical field, including hollow conductive tube, be equipped with at least three-layer insulating layer and three-layer shielding layer in hollow conductive tube outside, interval distribution between insulating layer and the shielding layer, the outside of hollow conductive tube is equipped with the heat dissipation layer, insulating layer and shielding layer distribute in heat dissipation layer outside, the heat dissipation layer includes the inner support circle, outer support circle and fin, be equipped with the supporter between inner support circle and the outer support circle, the fin both ends are fixed respectively on inner support circle and the outer support circle, establish heat dissipation channel between two adjacent fins. The utility model discloses a vertical setting of fin is equipped with heat dissipation channel between the fin in the inside and outside support ring on heat dissipation layer, and the setting of fin has increased heat radiating area, and heat dissipation channel's setting is favorable to improving the radiating efficiency, and interior support ring adopts the material the same with the fin material, has further strengthened the radiating effect of contact tube to the life of cast generating line has been increased.

Description

Insulating tubular busbar

Technical Field

The utility model relates to a power transmission bus structure technical field specifically is an insulating cast generating line.

Background

The tubular bus has better electrical performance, so the tubular bus is more and more widely applied to electric power systems in China, and the tubular insulated bus has the characteristics of high current, high mechanical strength, good insulation, wide application range and the like.

However, when the conventional tubular bus is actually used, a relatively high heat is generated when the current in the circuit is relatively large, and the heat dissipation effect of the conventional bus structure is poor, so that the service life of the tubular bus is shortened.

SUMMERY OF THE UTILITY MODEL

In view of the not enough and defect that exists among the prior art, the utility model provides an insulating cast generating line for solve the poor problem of radiating effect who mentions in the background art.

In order to solve the technical problem, the utility model discloses a following technical scheme: the utility model provides an insulating cast generating line, includes hollow conductive tube outside is equipped with at least three-layer insulating layer and three-layer shielding layer, insulating layer and shielding layer interval distribution, the outside of hollow conductive tube is equipped with the heat dissipation layer, insulating layer and shielding layer distribute the heat dissipation layer is outside, the heat dissipation layer includes inner support circle, outer support circle and fin, the fin sets up to a plurality ofly, and even distribution is in inner support circle with between the outer support circle, inner support circle with be equipped with the supporter between the outer support circle, the quantity of supporter is 3 at least, and the even distribution of supporter is in the fin, the fin both ends are fixed respectively inner support circle with on the outer support circle, two adjacent establish heat dissipation channel between the fin.

As a further improvement, the insulating layer includes first insulating layer, second insulating layer, third insulating layer, the shielding layer includes first shielding layer, second shielding layer, third shielding layer, follows the heat dissipation layer outwards bonds in proper order has first insulating layer, first shielding layer, second insulating layer, second shielding layer, third insulating layer, third shielding layer.

As a further improvement, the outside cladding of third shielding layer has the metallic shield layer, the outer anchor ring cladding of metallic shield layer has the oversheath.

As a further improvement, the outer sheath is made of a waterproof and ultraviolet-resistant insulating material.

As a further improvement of the utility model, the outer sheath is made of halogen-free low-smoke flame-retardant material.

As a further improvement of the utility model, the metal shielding layer is coated by a copper strip or is coated by a woven copper mesh.

As a further improvement of the utility model, the inner support ring is made of the same material as the radiating fins.

Compared with the prior art, the utility model discloses the beneficial effect who has does: the utility model discloses a vertical setting of fin is equipped with heat dissipation channel between the fin in the inside and outside support ring on heat dissipation layer, and the setting of fin has increased heat radiating area, and heat dissipation channel's setting is favorable to improving the radiating efficiency, and interior support ring adopts the material the same with the fin material, has further strengthened the radiating effect of contact tube to the life of cast generating line has been increased.

Drawings

The invention will be further described with reference to the accompanying drawings and specific embodiments:

fig. 1 is a schematic cross-sectional view of the present invention.

In the figure: 1. the heat dissipation structure comprises a hollow conductive tube, 2 parts of a heat dissipation channel, 3 parts of a heat dissipation sheet, 4 parts of a support body, 5 parts of an inner support ring, 6 parts of an outer support ring, 7 parts of an insulating layer, 8 parts of a shielding layer, 9 parts of a metal shielding layer and 10 parts of an outer sheath.

It is noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Detailed Description

In order to make the technical solution and the advantages of the present invention more clear and more obvious, the present invention is further described in detail with reference to the accompanying drawings and the specific embodiments, it should be understood that the specific embodiments described herein are only used for understanding the present invention, and are not used for limiting the present invention, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: an insulating tubular bus comprises a hollow conductive tube 1, wherein at least three insulating layers 7 and three shielding layers 8 are arranged outside the hollow conductive tube 1, the insulating layers 7 and the shielding layers 8 are distributed at intervals, a heat dissipation layer is arranged outside the hollow conductive tube 1, the insulating layers 7 and the shielding layers 8 are distributed outside the heat dissipation layer, the heat dissipation layer comprises an inner support ring 5, an outer support ring 6 and a plurality of heat dissipation fins 3, the heat dissipation fins are uniformly distributed between the inner support ring 5 and the outer support ring 6, a support body 4 is arranged between the inner support ring 5 and the outer support ring 6, the number of the support bodies 4 is at least 3, the support bodies 4 are uniformly distributed in the heat dissipation layers, two ends of each heat dissipation fin 3 are respectively fixed to the inner support ring 5 and the outer support ring 6, and a heat dissipation channel 2 is arranged between two adjacent heat dissipation fins 3.

Preferably, the insulating layer 7 includes a first insulating layer, a second insulating layer, and a third insulating layer, and the shielding layer 8 includes a first shielding layer, a second shielding layer, and a third shielding layer, and the first insulating layer, the first shielding layer, the second insulating layer, the second shielding layer, the third insulating layer, and the third shielding layer are sequentially bonded from the heat dissipation layer to the outside.

Preferably, the third shielding layer is externally wrapped with a metal shielding layer 9, and the outer annular surface of the metal shielding layer 9 is wrapped with an outer sheath 10. The outer sheath 10 is made of a waterproof, ultraviolet-resistant insulating material. The outer sheath 10 is made of halogen-free low-smoke flame-retardant material.

Preferably, the metal shield layer 9 is coated with a copper tape or a woven copper mesh. The inner support ring 5 and the heat sink 3 are made of the same material.

The utility model discloses a be provided with round fin and heat dissipation channel in hollow conductive tube outside, the vertical setting of fin is equipped with heat dissipation channel between the fin in the inside and outside support ring on heat dissipation layer, the setting of fin has increased heat radiating area, heat dissipation channel's setting is favorable to improving the radiating efficiency, interior support ring adopts the material the same with the fin material, has further strengthened the radiating effect of conductive tube to the life of cast generating line has been increased.

Claims

1. The utility model provides an insulating tubular busbar, includes hollow conductive tube (1) outside is equipped with at least three-layer insulation layer (7) and three-layer shielding layer (8), insulation layer (7) and shielding layer (8) interval distribution, its characterized in that: the outside of hollow conductive tube (1) is equipped with the heat dissipation layer, insulating layer (7) and shielding layer (8) distribute in the heat dissipation layer is outside, the heat dissipation layer includes inner support circle (5), outer support circle (6) and fin (3), fin (3) set up to a plurality ofly, and even distribution is in inner support circle (5) with between outer support circle (6), inner support circle (5) with be equipped with supporter (4) between outer support circle (6), the quantity of supporter (4) is 3 at least, and even distribution of supporter (4) is in the heat dissipation layer, fin (3) both ends are fixed respectively to inner support circle (5) with on outer support circle (6), two adjacent establish heat dissipation passageway (2) between fin (3).

2. The insulated tubular busbar according to claim 1, wherein: insulating layer (7) include first insulating layer, second insulating layer, third insulating layer, shielding layer (8) include first shielding layer, second shielding layer, third shielding layer, follow the heat dissipation layer outwards bonds in proper order has first insulating layer, first shielding layer, second insulating layer, second shielding layer, third insulating layer, third shielding layer.

3. The insulated tubular busbar according to claim 2, wherein: the outer portion of the third shielding layer is wrapped with a metal shielding layer (9), and the outer annular surface of the metal shielding layer (9) is wrapped with an outer sheath (10).

4. The insulated tubular busbar according to claim 3, wherein: the outer sheath (10) is made of waterproof and ultraviolet-resistant insulating materials.

5. The insulated tubular busbar according to claim 3, wherein: the outer sheath (10) is made of a halogen-free low-smoke flame-retardant material.

6. The insulated tubular busbar according to claim 3, wherein: the metal shielding layer (9) is coated by a copper strip or a woven copper mesh.

7. The insulated tubular busbar according to claim 1, wherein: the inner support ring (5) and the radiating fins (3) are made of the same material.