CN203522072U - Bus duct - Google Patents
Bus duct Download PDFInfo
- Publication number
- CN203522072U CN203522072U CN201320651791.5U CN201320651791U CN203522072U CN 203522072 U CN203522072 U CN 203522072U CN 201320651791 U CN201320651791 U CN 201320651791U CN 203522072 U CN203522072 U CN 203522072U
- Authority
- CN
- China
- Prior art keywords
- plate body
- current
- carrying conductor
- bus duct
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000004020 conductor Substances 0.000 claims abstract description 37
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 230000004888 barrier function Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000009413 insulation Methods 0.000 abstract description 3
- 230000005855 radiation Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 239000006185 dispersion Substances 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000003373 anti-fouling effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002500 effect on skin Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Installation Of Bus-Bars (AREA)
Abstract
The utility model provides a bus duct. The bus duct comprises a casing and multiple current carrying conductors, wherein the current carrying conductors are parallelly and vertically arranged in the casing, the current carrying conductors are hollow cylinders, peripheries of the current carrying conductors are provided with insulation layers correspondingly, the casing is a split structure, the casing comprises a first board body and a second board body, and the first board body and the second board body are connected into one body through a connection assembly. The bus duct has advantages of low cost, low electric power loss, high protection grade, high heat radiation and high mechanical strength and can bear large short circuit current.
Description
Technical field
The utility model relates to a kind of bus duct, belongs to the technical field of equipment for power transmission and distribution.
Background technology
Along with emerging in large numbers of modernization project facility and equipment, the fast increasing of power consumption of all trades and professions, the appearance in especially numerous skyscrapers and large-sized workshop workshop, in the now large electric current conveying system of traditional cable as transmission pressure, can not meet the demands, the parallel connection of multiway cable is used to on-the-spot installation and is connected and brought inconvenience, and fail safe exists larger hidden official.
Traditional bus duct comprises housing, conductive carrier, described conductive carrier is laterally arranged side by side in described housing, between adjacent described conductive carrier, be filled with insulating material, wherein, described conductive carrier section is rectangle, the bus duct of this structure only relies on the conductive carrier on both sides to dispel the heat while dispelling the heat, and heat dispersion is poor.Bus duct keeps flat with to produce the conductance of putting in different size.Perpendicular its radiating effect of dress bus is better than keeping flat, because perpendicular being equipped with of thermal current rising principle bus is beneficial to heat radiation, the electric current that the high bus of current ratio temperature that the bus that temperature reduces flows through flows through is large, so bus paperback is better than the bus of perpendicular dress.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of low cost, low power consumption, bus duct high-protection level, high heat radiation, and the short circuit current that this bus duct can bear is large, and mechanical strength is high.
In order to solve the problems of the technologies described above, a kind of bus duct of the utility model, comprises housing, a plurality of current－carrying conductor, wherein, what described current－carrying conductor was parallel is longitudinally arranged in described housing, and described current－carrying conductor is hollow cylinder, and described current－carrying conductor periphery is provided with corresponding insulating barrier; Described housing is split-type structural, and described housing is comprised of the first plate body, the second plate body, and described the first plate body and described the second plate body link into an integrated entity by coupling assembling; Described coupling assembling comprises and the connecting plate that is arranged on described the first plate body end, be arranged on the installing hole of described the second plate body end, during connection, described connecting plate inserts in described installing hole, and with installing hole interference fit, make the first plate body be fixedly connected with and be integral with the second plate body, be combined into housing; The first plate body is plate, and two ends are equipped with outer flanging, described the first plate body parallel longitudinal be provided with a plurality of semi-circular recesses; The second plate body is plate, two ends are equipped with outer flanging, described the second plate body parallel longitudinal be provided with a plurality of semi-circular recesses, during installation, semi-circular recesses on the first plate body matches with the semi-circular recesses on described two plate bodys, forms circular cavity and is used for installing current－carrying conductor.
Above-mentioned bus duct, wherein, is longitudinally provided with respectively fin and protruding stupefied on the lateral surface of described the first plate body and the second plate body.
Above-mentioned bus duct, wherein, the outer peripheral face of described fin is provided with protruding stupefied.
The utility model can be realized following beneficial effect:
Because described current－carrying conductor is longitudinally arranged in described housing, described current－carrying conductor is hollow cylinder, and described current－carrying conductor periphery is provided with corresponding insulating barrier; The heat producing during work can be by surrounding and inner hollow the distributing of current－carrying conductor, and because current－carrying conductor is hollow cylinder, the surrounding of current－carrying conductor all can be used as radiating surface and uses, increased area of dissipation, the heat that current－carrying conductor is produced can conduct fast, thereby, greatly improved the heat dispersion of bus duct; In addition, on the lateral surface of described the first plate body and the second plate body, be longitudinally provided with respectively fin, thereby, further improve heat dispersion of the present utility model, and improved intensity of the present utility model; Because the outer peripheral face of described fin is provided with protruding stupefiedly, further improved heat dispersion of the present utility model again.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the enlarged diagram of coupling assembling in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in the figure, in order to solve the problems of the technologies described above, a kind of bus duct of the utility model, comprise housing 1, a plurality of current－carrying conductor 2, described current－carrying conductor 2 is longitudinally arranged in described housing 1, and described current－carrying conductor 2 is cylinder, and described current－carrying conductor 2 peripheries are provided with corresponding insulating barrier 3; Described housing 1 is comprised of the first plate body 11, the second plate body 12, and described the first plate body 11 links into an integrated entity by coupling assembling respectively at two ends Shang Xia 12 with described the second plate body; Described coupling assembling comprises and the connecting plate 111 that is arranged on described the first plate body 11 ends, be arranged on the installing hole 121 of described the second plate body 12 ends, during connection, described connecting plate 111 inserts in described installing hole 121, and with installing hole 121 interference fit, make the first plate body 11 be fixedly connected with and be integral with the second plate body 12, be combined into housing 1; The first plate body 11 is plate, and two ends are equipped with outer flanging 5, described the first plate body 11 parallel longitudinals be provided with a plurality of semi-circular recesses 4; The second plate body 12 is plate, two ends are equipped with outer flanging 5, described the second plate body 12 parallel longitudinals be provided with a plurality of semi-circular recesses 4, during installation, semi-circular recesses 4 on the first plate body 11 matches with the semi-circular recesses 4 on described the second plate body 12, forms circular cavity and in current－carrying conductor 2 is installed.Because described current－carrying conductor 2 is longitudinally arranged in described housing 1, described current－carrying conductor 2 is cylinder, and described current－carrying conductor 2 peripheries are provided with corresponding insulating barrier 3; The heat producing during work can be by hollow the distributing of current－carrying conductor 2 inside, and because current－carrying conductor 2 is for hollow cylinder has increased area of dissipation, the heat that current－carrying conductor 2 is produced can conduct fast, thereby, greatly improved the heat dispersion of bus duct.In order further to improve the thermal diffusivity of this bus duct, can on the lateral surface of described the first plate body 11 and the second plate body 12, longitudinally be provided with respectively fin 4, the outer peripheral face of described fin 4 is provided with protruding stupefied 5,
In sum, the utlity model has following advantage:
1, busbar carrying capacity is large, and because the current－carrying conductor of bus is hollow cylinder, surface area is large, and conductive surface electric current distribution is even, is particularly suitable for the loop that operating current is large.Power loss ratio ordinary copper conductor of the present utility model is little, and the skin effect coefficient of the bus duct in the utility model is low, Kf<1, and CURRENT DISTRIBUTION is even, and AC resistance is little, thereby line power loss is low.
2, good insulation preformance, security performance is high, and there are shell, sealing, waterproof in copper pipe bus outside.After ground connection, its current potential is zero.Adopt insulating material, can eliminate extraneous moisture dust impact, prevent accident and human accident short circuit, improve safety in operation.
3, mechanical strength is high, installs simple; Allowable stress of the present utility model is 4 times of rectangular bus bar, and the short circuit current that can bear is large, and mechanical strength is high, makes bus support span and strengthens.Simultaneously framework simple and clear, arrange clear, easy for installationly, reduced the workloads such as civil engineering framework basis, maintenance workload reduces.Without pollution flashover, without three grades of antifouling distances of condensation national standard be >=230mm, the antifouling distance of insulation copper pipe bus be >=800mm, is the more than 3 times of national standard, so the copper pipe bus that insulate does not have pollution flashover.This bus has been cancelled post insulator, adopts the earthing of casing, and current potential is zero, and support zone shell has condensation also can not produce electric discharge.
4, good, low the bus of temperature rise of radiating condition is hollow conductor, and bus internal diameter air channel can self-assembling formation hot-air convection, (draught head of indoor and outdoors, can self-assembling formation hot-air convection), radiating condition is good, and conductor temperature rise is low.During installation, bus bar terminal connector is little with transition joint contact resistance, temperature rise is low, terminal connector all adopts annulus hood type to be connected with copper pipe with transition joint (bus is connected gold utensil), stressed between circle and circle evenly contact surface area is large, and contact surface is greater than 10 times of cross-sectional area of conductor.
In order further to improve heat dispersion of the present utility model, can on the lateral surface of described the first plate body 11 and the second plate body 12, longitudinally be provided with respectively fin 4, the outer end of described fin can arrange interior flanging 6, avoids generation current to gather, thereby, guarantee fail safe of the present utility model.Described fin 4 is flat member, and the outer peripheral face of described fin 4 is provided with protruding stupefied 5.On lateral surface due to described the first plate body 11 and the second plate body 12, be longitudinally provided with respectively fin 4, thereby, further improve heat dispersion of the present utility model, and improved intensity of the present utility model.
Those of ordinary skill in the art will be appreciated that, above embodiment is only for the purpose of this utility model is described, and not with opposing restriction of the present utility model, as long as in essential scope of the present utility model, the variation of the above embodiment, modification all will be dropped in the scope of claim of the present utility model.
Claims (3)
1. a bus duct, comprises housing, a plurality of current－carrying conductor, it is characterized in that, what described current－carrying conductor was parallel is longitudinally arranged in described housing, the cylinder that described current－carrying conductor is hollow, and described current－carrying conductor periphery is provided with corresponding insulating barrier; Described housing is split-type structural, and described housing is comprised of the first plate body, the second plate body, and described the first plate body and described the second plate body link into an integrated entity by coupling assembling; Described coupling assembling comprises and the connecting plate that is arranged on described the first plate body end, be arranged on the installing hole of described the second plate body end, during connection, described connecting plate inserts in described installing hole, and with installing hole interference fit, make the first plate body be fixedly connected with and be integral with the second plate body, be combined into housing; The first plate body is plate, and two ends are equipped with outer flanging, described the first plate body parallel longitudinal be provided with a plurality of semi-circular recesses; The second plate body is plate, two ends are equipped with outer flanging, described the second plate body parallel longitudinal be provided with a plurality of semi-circular recesses, during installation, the semi-circular recesses on described the first plate body matches and forms circular cavity for current－carrying conductor is installed with semi-circular recesses on described two plate bodys.
2. bus duct as claimed in claim 1, is characterized in that, is longitudinally provided with respectively fin on the lateral surface of described the first plate body and the second plate body.
3. bus duct as claimed in claim 2, is characterized in that, the outer peripheral face of described fin is provided with protruding stupefied.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320651791.5U CN203522072U (en) | 2013-10-22 | 2013-10-22 | Bus duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320651791.5U CN203522072U (en) | 2013-10-22 | 2013-10-22 | Bus duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203522072U true CN203522072U (en) | 2014-04-02 |
Family
ID=50380947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320651791.5U Expired - Fee Related CN203522072U (en) | 2013-10-22 | 2013-10-22 | Bus duct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203522072U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103532068A (en) * | 2013-10-22 | 2014-01-22 | 江苏宇威电气有限公司 | Bus duct |
| CN106129887A (en) * | 2016-06-29 | 2016-11-16 | 河南平芝高压开关有限公司 | GIS prepared separation, outside line enlargement method and GIS device |
-
2013
- 2013-10-22 CN CN201320651791.5U patent/CN203522072U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103532068A (en) * | 2013-10-22 | 2014-01-22 | 江苏宇威电气有限公司 | Bus duct |
| CN106129887A (en) * | 2016-06-29 | 2016-11-16 | 河南平芝高压开关有限公司 | GIS prepared separation, outside line enlargement method and GIS device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 |