CN217984451U - Heat dissipation formula pouring insulated bus structure - Google Patents

Abstract

The utility model provides a heat dissipation formula pouring insulation bus structure, including bus conductor and resin insulator, bus conductor has many, including ABC three-phase, N looks, PE looks, bus conductor interval arranges side by side, and by the whole parcel of resin insulator is stereotyped, still including inlaying the heat radiation structure of locating inside the resin insulator, heat radiation structure is including being located arranging the heat conduction portion between the three-phase of bus conductor, the one end or both ends of heat conduction portion extend to the outside of resin insulator and be formed with the radiating part that exposes in the resin insulator lateral surface; the heat dissipation part is completely or partially attached to the outer side surface of the resin insulator; the three phases of the bus bar conductor can be conducted to the heat conducting portion and the heat radiating portion via the resin insulator by heat generated by passage of current. The utility model discloses a can realize the initiative heat dissipation, improve the radiating efficiency, prolong bus structure's life.

Description

Heat dissipation formula pouring insulated bus structure

Technical Field

The utility model relates to a generating line transmission of electricity technical field, more specifically relates to a heat dissipation formula pouring insulation bus structure.

Background

At present, a poured bus product is mainly formed by pouring a conductor and a resin insulator mixture, the heat conductivity coefficient of the resin insulator mixture is low, the heat transfer of the conductor is not facilitated, the overall dimension of the bus is larger along with the increase of the current level, the heat between conductors during normal operation of the bus is increased, and the heat transfer of the conductor cannot be facilitated better through the resin insulator mixture.

Chinese granted patent CN214900052U is a bus duct convenient for heat dissipation, which: including bus duct body, fire-retardant phase separation board, cooling jacket and female arranging, this internal fire-retardant phase separation board of installing a plurality of interval distribution of bus duct, the female arranging of a plurality of interval distribution is installed to fire-retardant phase separation board, the cooling jacket cover is on female arranging, the cooling jacket is provided with a plurality of and is used for female arranging of arranging the female groove hole of alternating that penetrates, be provided with the cooling chamber in the cooling jacket, be provided with the insulating layer between female arranging the groove hole of alternating and the cooling chamber, the cooling intracavity is filled there is the coolant liquid. This patent is through utilizing cooling jacket and coolant liquid to dispel the heat to the bus duct, the cooling jacket cover is on female arranging, be provided with the coolant liquid in the cooling jacket, female the during operation production heat transfer of arranging to the cooling jacket, the cooling jacket transmits to the coolant liquid, and then the cooling heat dissipation effect, wherein the cooling jacket adopts aluminium alloy material, aluminium alloy material has very good heat conductivity, can be convenient for improve the radiating effect, its radiating effect too relies on the effect of coolant liquid, and the radiating efficiency can't last stable, the heat dissipation cost is high, the preparation degree of difficulty of bus duct is big.

In view of the above, there is a need for an improved bus bar structure in the prior art to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to disclose a heat dissipation formula pouring insulation bus structure.

In order to achieve the purpose, the utility model provides a heat dissipation type pouring insulation bus structure, which comprises a bus conductor and a resin insulator, wherein the bus conductor comprises a plurality of ABC three-phase, N-phase and PE-phase, the bus conductors are arranged in parallel at intervals and are wrapped and shaped by the resin insulator,

the heat dissipation structure comprises heat conduction parts arranged among ABC three phases of the bus conductor, one end or two ends of each heat conduction part extend to the outside of the resin insulator, and a heat dissipation part exposed on the outer side face of the resin insulator is formed;

the heat dissipation part is completely or partially attached to the outer side surface of the resin insulator;

the ABC three phases of the bus conductor can be conducted to the heat conducting part and the heat radiating part through the resin insulator via heat generated by current passing, and active heat radiation of the bus conductor is performed.

As a further improvement of the utility model, the heat conducting part and the heat radiating part are of an integral structure.

As a further improvement, the heat conducting part and the heat dissipating part are split type splicing structures.

As a further improvement of the present invention, one side end or both side ends of the heat dissipating portion extend toward the adjacent surface of the resin insulator and are coated on the outer surface of the resin insulator.

As a further improvement, the bus structure comprises a three-phase four-wire system and a three-phase five-wire system.

As a further improvement of the present invention, the outer end of the heat dissipating portion is a rack-shaped structure.

As a further improvement of the utility model, one side or two sides of the heat conducting part are of a rack-shaped structure.

As a further improvement of the present invention, the two side ends of the heat dissipating portion extend in the direction of the adjacent surface of the resin insulator to form a right-angled rib structure.

As a further improvement of the present invention, the N phase of the bus conductor and the ABC three phase of the bus conductor are also provided with a heat conducting portion, and one end or both ends of the heat conducting portion are connected to a heat dissipating portion.

As a further improvement of the present invention, the heat conduction portion and the heat dissipation portion can be used as a PE phase conductor in an electric power system.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) The utility model provides a heat dissipation formula pouring insulation bus structure, through heat radiation structure's setting for the ABC three-phase of bus conductor realizes quick initiative conduction through produced heat via the electric current, and the heat-conducting part is aluminum plate or aluminum alloy ex-trusions with the radiating part, utilizes the heat conduction that aluminum plate or aluminum alloy ex-trusions high heat conductivity's characteristics produced ABC three-phase conductor to radiating part, initiatively dispels the heat, has shortened heat conduction route, has improved bus structure's radiating efficiency.

(2) One side or two sides of the heat conducting part are arranged in a rack-shaped structure, and the contact area between the heat conducting part and the resin insulator is increased, so that the heat conducting efficiency is improved.

(3) One side end or both sides end of heat dissipation portion extend to the adjacent surface of resin insulator, and the cladding is at the surface of resin insulator to and the outside end of heat dissipation portion sets up for rack column structure, has all increased the area of contact of heat dissipation portion with the outside air, in order to realize radiating efficiency's improvement, the right angle muscle structure has improved the mechanical strength of bus structure simultaneously.

(4) The structure is simple, the production process is simple, and mass production and preparation are facilitated.

Drawings

FIG. 1 is a schematic view of a heat-dissipating type poured insulated bus structure according to the present invention, which is made of three-phase five-wire system;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

fig. 3 is another schematic view of a heat-dissipating type poured insulated bus structure according to the present invention, in which the position of the N-phase conductor is changed;

FIG. 4 is a schematic cross-sectional view of FIG. 3;

FIG. 5 is another schematic view of the heat dissipation structure in FIG. 1 or FIG. 3 with a heat conducting portion disposed between the N-phase conductor and the ABC three-phase conductor;

fig. 6 is another schematic cross-sectional view of fig. 1, in which heat dissipation parts are symmetrically disposed at both ends of a heat conduction part;

FIG. 7 is a schematic view of a rack-shaped structure at the outer end of a heat dissipating part in the heat dissipating type cast insulated bus structure according to the present invention;

FIG. 8 is a schematic view of a rack-shaped structure for both the outer side of the heat dissipating portion and the outer side end of the heat conducting portion in the heat dissipating type poured insulated bus bar structure of the present invention;

FIG. 9 is another schematic view of a heat-dissipating cast-in-place insulated bus bar structure of the present invention with the PE phase conductors removed;

fig. 10 is a cross-sectional view of fig. 9 with a heat sink structure replacing the PE phase conductor.

In the figure: 1. a bus structure; 10. an N-phase conductor; 11. a PE phase conductor; 12. a resin insulator; 21. a heat conducting portion; 22. a heat dissipating section; 23. the right-angle rib structure.

Detailed Description

The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.

It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict.

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Fig. 1 to 10 show a specific embodiment of a heat dissipation type poured insulated bus structure according to the present invention.

Referring to fig. 1, 2, 3 and 9, a heat dissipation type cast insulation bus structure 1 comprises a bus conductor and a resin insulator 12, wherein the bus conductor comprises a plurality of ABC three-phase conductors, an N-phase conductor 10 and a pe-phase conductor 11, each bus conductor is arranged in parallel at intervals and is integrally wrapped and shaped by the resin insulator 12, two side ends of the bus structure 1 are further provided with connecting parts connected with the bus conductors, and the heat dissipation structure is embedded in the resin insulator 12 and comprises heat conduction parts 21 arranged among the ABC three phases of the bus conductors, and one end or two ends of each heat conduction part 21 extend to the outside of the resin insulator 12 and are provided with heat dissipation parts 22 exposed on the outer side surface of the resin insulator 12; the heat dissipation part 22 is completely or partially attached to the outer side surface of the resin insulator 12, and the heat conduction part 21 and the heat dissipation part 22 are both aluminum plates or aluminum alloy sections;

the ABC three-phase of bus conductor can be conducted to heat-conducting portion 21 by resin insulator 12 via the heat that the electric current passes through the production, and conduct to the radiating part 22 with the contact of outside air through the heat-conducting portion 21 of high conductivity ability, carry out the initiative heat dissipation of bus conductor, the heat conduction route of bus conductor has been shortened, the radiating efficiency of bus structure 1 has been improved, compare in the traditional radiating mode of dispelling the heat or add the heating panel in bus structure 1's outside through resin insulator 12, its radiating efficiency is high, and is fast, can prolong the whole life-span of bus structure 1.

Preferably, the heat conducting portion 21 and the heat dissipating portion 22 may be an integral structure, and the heat conducting portion 21 and the heat dissipating portion 22 may also be a split-type splicing structure.

As shown in fig. 2, 4, 5, 6 and 10, one or both ends of the heat dissipation portion 22 extend toward the adjacent surface of the resin insulator 12 and cover the outer surface of the resin insulator 12, and this arrangement can increase the surface area of the heat dissipation portion 22 exposed to the outside, thereby improving heat dissipation efficiency. The two side ends of the heat dissipation part 22 extend towards the adjacent surface direction of the resin insulator 12 to form a right-angle rib structure 23, so that the mechanical strength of the bus structure 1 is improved.

Referring to fig. 7 to 8, one side or both sides of the heat conduction portion 21 are formed in a rack-like structure in order to increase the contact area with the resin insulator 12 to achieve an improvement in heat conduction efficiency. The outer end of the heat dissipation portion 22 is a rack-shaped structure, so that the heat dissipation area is increased, and the heat dissipation efficiency is improved.

The heat conducting part 21 is arranged between the N-phase conductor 10 and the ABC three-phase conductor of the bus conductor, and the heat radiating part 22 is connected to one end or two ends of the heat conducting part 21, so that the heat radiation of the N-phase conductor 10 is ensured, and the phenomenon that heat is generated due to the fact that a small amount of current passes through the N-phase conductor 10 and cannot be quickly and effectively conducted out is avoided.

The bus structure 1 includes a three-phase four-wire system and a three-phase five-wire system. In the three-phase four-wire bus bar structure 1, the heat conduction portion 21 and the heat dissipation portion 22 can be used as the PE phase conductor 11 in the power system.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims (10)

1. A heat dissipation type pouring insulation bus structure comprises a bus conductor and a resin insulator, wherein the bus conductor is provided with a plurality of ABC three phases, N phases and PE phases, the bus conductors are arranged in parallel at intervals and are integrally wrapped and shaped by the resin insulator,

the heat dissipation structure is embedded in the resin insulator and comprises heat conduction parts arranged among the ABC three phases of the bus conductor, and one end or two ends of each heat conduction part extend to the outside of the resin insulator and are provided with heat dissipation parts exposed on the outer side face of the resin insulator;

the heat dissipation part is completely or partially attached to the outer side surface of the resin insulator;

the ABC three phases of the bus conductor can be conducted to the heat conducting part and the heat radiating part through the resin insulator through heat generated by current passing, and active heat radiation of the bus conductor is carried out.

2. The heat dissipating, poured insulated bus bar structure according to claim 1, wherein the heat conducting portion and the heat dissipating portion are a unitary structure.

3. The heat dissipating cast-in-place insulated bus bar structure of claim 1, wherein the heat conducting portion and the heat dissipating portion are a split joint structure.

4. The heat-dissipating cast-in-place insulated bus bar structure according to claim 1, wherein one or both side ends of the heat-dissipating portion extend toward the adjacent surface of the resin insulator and cover the outer surface of the resin insulator.

5. The heat dissipating, poured, insulated bus bar structure of claim 1, wherein the bus bar structure includes a three-phase four-wire system and a three-phase five-wire system.

6. The heat dissipating, poured insulated bus bar structure according to claim 1, wherein the outside end of the heat dissipating portion is a rack-like structure.

7. The heat dissipating, poured insulated bus bar structure according to claim 1, wherein one or both sides of the heat conducting portion are rack-shaped.

8. The heat dissipating cast-insulated bus bar structure according to claim 4, wherein both side ends of the heat dissipating part extend in the direction of the adjacent surface of the resin insulator to form a right-angled rib structure.

9. The heat-dissipating cast-in-place insulated bus bar structure according to claim 1, wherein a heat conducting portion is also disposed between the N phase of the bus bar conductor and the ABC three phase of the bus bar conductor, and a heat dissipating portion is connected to one or both ends of the heat conducting portion.

10. The heat-dissipating cast-in-place insulated bus bar structure according to claim 1, wherein the heat-conducting portion and the heat-dissipating portion are used as PE phase conductors in an electric power system.

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