CN219627327U - Efficient heat dissipation special-shaped bus duct - Google Patents
Efficient heat dissipation special-shaped bus duct Download PDFInfo
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- CN219627327U CN219627327U CN202320737845.3U CN202320737845U CN219627327U CN 219627327 U CN219627327 U CN 219627327U CN 202320737845 U CN202320737845 U CN 202320737845U CN 219627327 U CN219627327 U CN 219627327U
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Abstract
The utility model discloses a special-shaped bus duct with high-efficiency heat dissipation, which comprises a main body, wherein the main body comprises a shell, a plurality of bus copper bars and heat dissipation fins, the shell is a hollow prism, the shell comprises at least three side surfaces, the shell comprises an inner shell and an outer shell, the outer shell is sleeved on the outer side of the inner shell, a gap exists between the inner shell and the outer shell, and the space on the inner side of the inner shell is a cavity; each side surface of the shell is provided with a bus copper bar which is of a flat structure, the bus copper bars are positioned between the inner shell and the outer shell, and the gaps among the bus copper bars, the inner shell and the outer shell are filled with insulating materials; the radiating fins are fixed on the outer side of the outer shell and are positioned right above the bus copper bars; according to the utility model, the bus copper bars which are originally placed side by side are separately placed between the inner shell and the outer shell of the metal shell, so that the heat exchange surface of the bus copper bars can dissipate heat through the inner shell and the outer shell.
Description
Technical Field
The utility model relates to a special bus duct with efficient heat dissipation.
Background
The bus duct is a closed metal device composed of copper and aluminum bus columns, is mainly used for power transmission in a low-voltage power supply system, and has the advantages of high current carrying capacity, high protection level, convenience in installation and maintenance and the like. At present, bus ducts are widely adopted to replace traditional wires and cables as power transmission devices in various occasions such as indoor substations, high-rise buildings, factory buildings and the like.
With the advent of modern industrial facilities and equipment, the power consumption of various industries is rapidly increased, and particularly, the occurrence of numerous high-rise buildings and large-scale factory workshops, the conventional cable serving as a power transmission wire cannot meet the requirements in a high-current transmission system, and the parallel connection use of multiple cables brings a plurality of inconveniences to field installation construction connection. The plug-in bus duct is a novel distribution wire, compared with the traditional cable, fully shows its superiority in the process of heavy current transmission, and simultaneously, because of adopting new technology and new process, the contact resistance and temperature rise at the connection position of two ends of the bus duct and the plug-in position of the wire distributing port are greatly reduced, and high-quality insulating material is used in the bus duct, thereby improving the safety and reliability of the bus duct and making the whole system more perfect
The bus duct can produce a large amount of heat during operation, if the high temperature is too high, high temperature environment can accelerate insulation ageing, reduces bus duct life-span, can even make insulation failure so as to cause the accident when serious. However, in the conventional bus duct structure, multiphase bus conductors are often arranged in a metal shell side by side, and the heat resistance between the main radiating surface of the bus conductors and the air is large, so that heat cannot be timely radiated to cause temperature rise.
The utility model comprises the following steps:
the utility model aims to solve the defects in the prior art and provides a special-shaped bus duct with efficient heat dissipation.
The special-shaped bus duct comprises a main body, wherein the main body comprises a shell, a plurality of bus copper bars and radiating fins, the shell is a hollow prism, the shell comprises at least three side surfaces, the shell comprises an inner shell and an outer shell, the outer shell is sleeved on the outer side of the inner shell, a gap exists between the inner shell and the outer shell, and the space on the inner side of the inner shell is a cavity;
each side surface of the shell is provided with a bus copper bar which is of a flat structure, the bus copper bars are positioned between the inner shell and the outer shell, and the gaps among the bus copper bars, the inner shell and the outer shell are filled with insulating materials;
the radiating fins are fixed on the outer side of the outer shell and are positioned right above the bus copper bars.
Working principle: according to the utility model, the bus copper bars which are originally placed side by side are separately placed between the inner shell and the outer shell of the metal shell, so that the heat exchange surface of the bus copper bars can dissipate heat through the inner shell and the outer shell.
In order to strengthen the heat dissipation performance, the shell is provided with a heat dissipation through hole, the heat dissipation through hole comprises a first heat dissipation through hole and a second heat dissipation through hole,
the surface of the outer shell is provided with a plurality of first heat dissipation through holes, the surface of the inner shell is provided with a plurality of second heat dissipation through holes, the first heat dissipation through holes and the second heat dissipation through holes are in one-to-one correspondence, the through holes between the first heat dissipation through holes and the second heat dissipation through holes are connected through connecting cylinders, and the first heat dissipation through holes and the second heat dissipation through holes are positioned on two sides of the bus copper bars;
the connecting cylinder is of a hollow structure, the shape of the cross section of the connecting cylinder is communicated with the first heat dissipation through hole and the second heat dissipation through hole, one end of the connecting cylinder is connected with the first heat dissipation through hole, and the other end of the connecting cylinder is connected with the second heat dissipation through hole.
In order to ensure that no dust enters between the outer shell and the inner shell, the bus copper bar protection device further comprises a cover plate, wherein the cover plate is a hollow platy object, the cover plate is arranged on the front end face and the rear end face of the shell and embedded between the inner shell and the outer shell, and a through hole for a bus copper bar to pass through is formed in the cover plate.
In order to ensure the stability of the installation of the radiating fins, the radiating fins comprise a bottom plate and fins, the fins are fixed on the bottom plate at equal intervals, the fins are perpendicular to the bottom plate, and the radiating fins are fixed on the outer side of the shell through welding.
In order to ensure the heat dissipation effect of the heat dissipation through holes, the cross section of the heat dissipation through holes is one or more of rectangle, circle, semicircle and polygon.
In order to ensure the heat dissipation effect, the heat dissipation fins are one or more of straight fins, corrugated fins, shutter fins and porous fins.
The beneficial effects are that: compared with the prior art, the bus conductors densely and compactly arranged in the traditional bus duct are separately arranged in the interlayers of the inner and outer metal shells, so that the main heat exchange surfaces of the bus conductors can directly conduct convection heat exchange through the shells and air at the inner side and the outer side, compared with the traditional bus duct structure, the heat resistance is greatly reduced, meanwhile, the heat exchange area of the radiating fins arranged on the shell can be increased, and the heat exchange effect can be further improved by connecting the heat exchange holes of the inner shell and the outer shell, and besides, the special bus duct is also suitable for the structural design of three-phase three-wire, three-phase four-wire and three-phase five-wire systems respectively, and has the advantages of high universality, simple structure and low manufacturing cost.
Drawings
FIG. 1 is a schematic diagram of a three-phase four-wire, high-efficiency heat-dissipating, profiled bus duct;
FIG. 2 is a cross-sectional view of a three-phase four-wire, high-efficiency heat-dissipating, profiled bus duct;
FIG. 3 is a schematic diagram of a three-phase three-wire, high efficiency heat dissipating, profiled bus duct;
FIG. 4 is a cross-sectional view of a three-phase three-wire, high-efficiency heat-dissipating, profiled bus duct;
FIG. 5 is a schematic diagram of a high-efficiency heat-dissipating, profiled bus duct for a three-phase five-wire;
FIG. 6 is a cross-sectional view of a high-efficiency heat-dissipating profiled bus duct for three-phase five wires;
in the figure, 1, an inner shell, 2, an outer shell, 3, bus copper bars, 4, radiating fins, 5, a cavity, 6, an insulating material, 7, a radiating through hole, 8 and a cover plate.
Detailed Description
The present utility model will be further described in detail with reference to the following examples and drawings for the purpose of enhancing the understanding of the present utility model, which examples are provided for the purpose of illustrating the present utility model only and are not to be construed as limiting the scope of the present utility model.
Embodiment one:
as shown in fig. 1-2, an inner shell 1, an outer shell 2, bus copper bars 3, radiating fins 4, cavities 5, insulating materials 6, radiating through holes 7 and a cover plate 8;
the utility model provides a high-efficient radiating abnormal shape bus duct, includes the main part, and the main part includes casing, a plurality of generating line copper bars 3 and fin 4, the casing be hollow prism, the casing includes three at least sides, the casing includes interior casing 1 and shell body 2, shell body 2 cover in the outside of interior casing 1, there is the clearance between interior casing 1 and the shell body 2, the space of interior casing 1 inboard is cavity 5, the cross section of casing is the rectangle;
each side surface of the shell is provided with a bus copper bar 3, the bus copper bar 3 is of a flat structure, the bus copper bar 3 is positioned between the inner shell 1 and the outer shell 2, and an insulating material 6 is filled in gaps among the bus copper bar 3, the inner shell 1 and the outer shell 2;
the radiating fins 4 are fixed on the outer side of the outer shell 2 and are positioned right above the bus copper bars 3.
In this embodiment, the housing is provided with a heat dissipation through hole 7, the heat dissipation through hole includes a first heat dissipation through hole 7 and a second heat dissipation through hole 7,
the surface of the outer shell 2 is provided with a plurality of first heat dissipation through holes 7, the surface of the inner shell 1 is provided with a plurality of second heat dissipation through holes 7, the first heat dissipation through holes 7 and the second heat dissipation through holes 7 are in one-to-one correspondence, the through holes between the first heat dissipation through holes 7 and the second heat dissipation through holes 7 are connected through connecting cylinders, and the first heat dissipation through holes 7 and the second heat dissipation through holes 7 are positioned on two sides of the bus copper bar 3;
the connecting cylinder is of a hollow structure, the shape of the cross section of the connecting cylinder is communicated with the first heat dissipation through hole 7 and the second heat dissipation through hole 7, one end of the connecting cylinder is connected with the first heat dissipation through hole 7, and the other end of the connecting cylinder is connected with the second heat dissipation through hole 7.
In this embodiment, the bus bar copper bar cooling device further comprises a cover plate 8, the cover plate 8 is a hollow plate, the cover plate 8 is mounted on the front end face and the rear end face of the housing and embedded between the inner housing 1 and the outer housing 2, and a through hole for the bus bar copper bar 3 to pass through is formed in the cover plate 8.
In this embodiment, the heat dissipation fins 4 include a bottom plate and fins, the fins are fixed on the bottom plate at equal intervals, the fins are perpendicular to the bottom plate, and the heat dissipation fins 4 are fixed on the outer side of the housing by welding.
In this embodiment, the cross section of the heat dissipation through hole 7 is one or more of rectangle, circle, semicircle and polygon.
In this embodiment, the heat dissipation fin 4 is one or more of a flat fin, a corrugated fin, a shutter fin and a porous fin.
The using method comprises the following steps: the bus bar copper bar 3 is inserted between the outer shell 2 and the inner shell 1, gaps are filled by using an insulating material 6, a cover plate 8 is covered on the front end face and the rear end face of the shell, and the radiating fins 4 are welded on the outer shell 2.
Embodiment two:
the cross section of the shell is triangular, and the rest is the same as the embodiment.
Embodiment III:
the cross section of the shell is pentagonal, and the rest is the same as the embodiment.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (6)
1. The special-shaped bus duct is characterized in that the main body comprises a shell, a plurality of bus copper bars and radiating fins, the shell is a hollow prism, the shell comprises at least three side surfaces, the shell comprises an inner shell and an outer shell, the outer shell is sleeved on the outer side of the inner shell, a gap exists between the inner shell and the outer shell, and the space on the inner side of the inner shell is a cavity;
each side surface of the shell is provided with a bus copper bar which is of a flat structure, the bus copper bars are positioned between the inner shell and the outer shell, and the gaps among the bus copper bars, the inner shell and the outer shell are filled with insulating materials;
the radiating fins are fixed on the outer side of the outer shell and are positioned right above the bus copper bars.
2. The special bus duct for efficient heat dissipation according to claim 1, wherein the housing is provided with heat dissipation through holes, the heat dissipation through holes comprise a first heat dissipation through hole and a second heat dissipation through hole,
the surface of the outer shell is provided with a plurality of first heat dissipation through holes, the surface of the inner shell is provided with a plurality of second heat dissipation through holes, the first heat dissipation through holes and the second heat dissipation through holes are in one-to-one correspondence, the through holes between the first heat dissipation through holes and the second heat dissipation through holes are connected through connecting cylinders, and the first heat dissipation through holes and the second heat dissipation through holes are positioned on two sides of the bus copper bars;
the connecting cylinder is of a hollow structure, the shape of the cross section of the connecting cylinder is communicated with the first heat dissipation through hole and the second heat dissipation through hole, one end of the connecting cylinder is connected with the first heat dissipation through hole, and the other end of the connecting cylinder is connected with the second heat dissipation through hole.
3. The special-shaped bus duct with efficient heat dissipation according to claim 1, further comprising a cover plate, wherein the cover plate is a hollow plate-shaped object, the cover plate is arranged on the front end face and the rear end face of the shell and embedded between the inner shell and the outer shell, and a through hole for a bus copper bar to pass through is formed in the cover plate.
4. The special bus duct for efficient heat dissipation according to claim 1, wherein the heat dissipation fins comprise a bottom plate and fins, the fins are fixed on the bottom plate at equal intervals and are perpendicular to the bottom plate, and the heat dissipation fins are fixed on the outer side of the shell through welding.
5. The special-shaped bus duct with high-efficiency heat dissipation according to claim 2, wherein the cross section of the heat dissipation through hole is one or more of rectangle, circle, semicircle and polygon.
6. The special-shaped bus duct with high-efficiency heat dissipation according to claim 1, wherein the heat dissipation fins are one or more of flat fins, corrugated fins, shutter fins and porous fins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320737845.3U CN219627327U (en) | 2023-03-31 | 2023-03-31 | Efficient heat dissipation special-shaped bus duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320737845.3U CN219627327U (en) | 2023-03-31 | 2023-03-31 | Efficient heat dissipation special-shaped bus duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219627327U true CN219627327U (en) | 2023-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320737845.3U Active CN219627327U (en) | 2023-03-31 | 2023-03-31 | Efficient heat dissipation special-shaped bus duct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219627327U (en) |
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2023
- 2023-03-31 CN CN202320737845.3U patent/CN219627327U/en active Active
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