CN204045264U - A kind of conveying heavy current busbar - Google Patents
A kind of conveying heavy current busbar Download PDFInfo
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- CN204045264U CN204045264U CN201420386385.5U CN201420386385U CN204045264U CN 204045264 U CN204045264 U CN 204045264U CN 201420386385 U CN201420386385 U CN 201420386385U CN 204045264 U CN204045264 U CN 204045264U
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- conductor
- bus
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- hollow channel
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- 239000004020 conductor Substances 0.000 claims abstract description 124
- 230000004888 barrier function Effects 0.000 claims abstract description 12
- 230000011218 segmentation Effects 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims abstract description 4
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims description 3
- 230000002500 effect on skin Effects 0.000 abstract description 16
- 230000005855 radiation Effects 0.000 abstract description 5
- 238000001816 cooling Methods 0.000 description 6
- 238000009413 insulation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 230000005684 electric field Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Installation Of Bus-Bars (AREA)
Abstract
The utility model provides a kind of conveying heavy current busbar, comprise the insulating barrier of bus-bars conductor and coated novel bus conductor, there is in bus-bars conductor two or more hollow channel, hollow channel extends along bus-bars conductor length direction, tube type bus conductor and bus-bars conductor are with external diameter and same line density, tube type bus conductor internal diameter r, in bus-bars conductor, hollow channel section girth summation is greater than 2 π r; Or comprising the insulating barrier of tube type bus conductor and coated cast bus-bars conductor, arrange some hollow channels in tube type bus conducting wall, hollow channel extends along tube type bus conductor length direction; Or comprise the insulating barrier of tube type bus conductor and coated cast bus-bars conductor, in tube type bus conductor inner chamber, the dividing body this lumen segmentation being become two or more hollow channel is set, dividing body and tube type bus conductor are with material and their jointly form novel bus conductor of integrative-structure, and the novel bus conductor internal surface area of unit length is greater than the tube type bus conductor internal surface area of unit length.The utility model is conducive to heat radiation, is conducive to reducing skin effect coefficient when carrying alternating current.
Description
technical field
The utility model relates to a kind of bus carrying big current.
background technology
Tube type bus is because have multiple advantage, and be widely applied: 1. for alternating current, frequency is higher, skin effect is more obvious, cast conductor can when ensureing rigidity, and have larger surfaces externally and internally and amass, thus the load loss of bus is less.2. the surface electric field distribution of tubular type conductor is even, and except being very easy to do except insulation shielding processing, cast conductor cylindrical is larger, and the beginning voltage of corona is higher, therefore insulate more reliable.3. tubular type conductor because of inner chamber can natural draft heat radiation, temperature rise is lower.
But along with the development of country, transmit the increasing of load, when voltage is certain, the electric current of transmission is also just increasing.And the space shared by bus of transmitting big current is restricted often, this is that on the other hand, other affiliated facility of large scale electrical power unit has also extruded the space of bus because land price is also more and more higher on the one hand.Like this, even select tube type bus, the maximum gauge of bus-bars conductor is also limited, can not be too large.Be limited to the external diameter of cast conductor, large electric current be transmitted, can only by strengthening the wall thickness of cast conductor, like this, increase although cast cross-sectional area of conductor is long-pending, skin effect coefficient also increases.When cast conductor thickness is increased to a certain degree, line loss can significantly increase, and bus heating is inevitable, and this have impact on the insulation of bus.
utility model content
The technical problems to be solved in the utility model is to provide a kind of conveying heavy current busbar, is conducive to heat radiation, is conducive to reducing skin effect coefficient when carrying alternating current.
In order to solve the problems of the technologies described above, the technical solution of the utility model is:
A kind of conveying heavy current busbar, comprise the insulating barrier of bus-bars conductor and coated bus-bars conductor, bus-bars conductor has periphery, there is in bus-bars conductor two or more hollow channel, hollow channel extends along bus-bars conductor length direction, suppose to exist and bus-bars conductor with external diameter and the tube type bus conductor of same line density, tube type bus conductor internal diameter r, in bus-bars conductor, hollow channel section girth summation is greater than 2 π r.
Above-mentioned conveying heavy current busbar, hollow channel is the circular in cross-section of mounting hole or hollow channel, part circular, ellipse, part-elliptical, oblateness, part oblateness, oval, part oval, fan-shaped, partial sector, n limit shape or part n limit shape, n >=3.
Above-mentioned conveying heavy current busbar, the shape of hollow channel can be identical, can part identical, can be all not identical yet.
Above-mentioned conveying heavy current busbar, bus-bars conductor is honeycomb molded body.
Compared with existing tube type bus conductor, under the condition of equal line density and external diameter, plural hollow channel is set in bus-bars conductor, namely the quantity of hollow channel is increased, and the total internal surface area of unit length hollow channel is greater than tube type bus conductor internal surface area, when carrying alternating current, not only can reduce skin effect coefficient, different passage can also be selected (to utilize natural wind or water or refrigerant) by different way and dispel the heat.When carrying D.C. high-current, more economical mode efficiently can dispel the heat, such as taking to allow different passage dispel the heat with certain refrigerant simultaneously or to take to allow different passages dispel the heat with different refrigerants.
The technical problems to be solved in the utility model is to provide a kind of conveying heavy current busbar, is conducive to heat radiation, is conducive to reducing skin effect coefficient when carrying alternating current.
In order to solve the problems of the technologies described above, the technical solution of the utility model is:
A kind of conveying heavy current busbar, comprise the insulating barrier of tube type bus conductor and coated cast bus-bars conductor, arrange some hollow channels in tube type bus conducting wall, hollow channel extends along tube type bus conductor length direction.
Above-mentioned conveying heavy current busbar, hollow channel is the circular in cross-section of mounting hole or hollow channel, part circular, ellipse, part-elliptical, oblateness, part oblateness, oval, part oval, fan-shaped, partial sector, n limit shape or part n limit shape, n >=3.
Above-mentioned conveying heavy current busbar, the shape of hollow channel can be identical, can part identical, can be all not identical yet.
Some hollow channels are set in tube type bus conducting wall, add the internal surface area of tube type bus conductor, effectively can dispel the heat and reduce skin effect coefficient when carrying alternating current.
The technical problems to be solved in the utility model is to provide a kind of conveying heavy current busbar, is conducive to heat radiation, is conducive to reducing skin effect coefficient when carrying alternating current.
In order to solve the problems of the technologies described above, the technical solution of the utility model is:
A kind of conveying heavy current busbar, comprise the insulating barrier of tube type bus conductor and coated cast bus-bars conductor, in tube type bus conductor inner chamber, the dividing body this lumen segmentation being become two or more hollow channel is set, hollow channel extends along tube type bus conductor length direction, dividing body and tube type bus conductor are with material and their jointly form bus-bars conductor of integrative-structure, and the bus-bars conductor internal surface area of unit length is greater than the tube type bus conductor internal surface area of unit length.
Above-mentioned conveying heavy current busbar, dividing body cross section in " one " font, " ten " font, " Y " shape, " H " shape, "T"-shaped, serpentine, " L " shape, " X " shape, " V " shape, " W " shape, " Z " shape, arc or n limit shape, n >=3.
Above-mentioned conveying heavy current busbar, hollow channel is the circular in cross-section of mounting hole or hollow channel, part circular, ellipse, part-elliptical, oblateness, part oblateness, oval, part oval, fan-shaped, partial sector, n limit shape or part n limit shape, n >=3.
Above-mentioned conveying heavy current busbar, the shape of hollow channel can be identical, can part identical, can be all not identical yet.
In tube type bus conductor inner chamber, the dividing body this lumen segmentation being become two or more hollow channel is set, namely the quantity of hollow channel is increased by dividing body, and the bus-bars conductor internal surface area be made up of dividing body and tube type bus conductor is greater than tube type bus conductor internal surface area, effectively dispelling the heat in many ways, skin effect coefficient can also be reduced significantly when carrying alternating current.
accompanying drawing explanation
Below in conjunction with accompanying drawing to the further detailed description of the utility model:
Fig. 1 is the structural representation of the utility model the 1st kind of embodiment.
Fig. 2 is the structural representation of the utility model the 2nd kind of embodiment.
Fig. 3 is the structural representation of the utility model the 3rd kind of embodiment.
Fig. 4 is the structural representation of the utility model the 4th kind of embodiment.
Fig. 5 is the structural representation of the utility model the 5th kind of embodiment.
Fig. 6 is the structural representation of the utility model the 6th kind of embodiment.
Fig. 7 is the structural representation of the utility model the 7th kind of embodiment.
Fig. 8 is the structural representation of the utility model the 8th kind of embodiment.
Fig. 9 is the structural representation of the utility model the 9th kind of embodiment.
Figure 10 is the structural representation of the utility model the 10th kind of embodiment.
Figure 11 is the structural representation of the utility model the 11st kind of embodiment.
Figure 12 is the structural representation of the utility model the 12nd kind of embodiment.
Embodiment
First kind embodiment:
A kind of insulating barrier carrying heavy current busbar to comprise bus-bars conductor and coated bus-bars conductor.Bus-bars conductor has periphery, and the Electric Field Distribution of outer round conductor is even.Have two or more hollow channel in bus-bars conductor, hollow channel extends along bus-bars conductor length direction.Compared with existing tube type bus conductor only a passage, bus-bars conductor has two or more hollow channel, is multi-channel structure.Suppose to exist with bus-bars conductor with external diameter and with the tube type bus conductor of line density, tube type bus conductor internal diameter r, in bus-bars conductor, hollow channel section girth summation is greater than 2 π r, and namely unit length bus-bars conductor internal surface area is greater than unit length with external diameter and with the tube type bus conductor internal surface area of line density.
The technical thought of first kind embodiment be with tube type bus conductor with external diameter and with under the condition of line density, adopt much channel communication to obtain the bus-bars conductor with larger internal surface area, effectively reduce skin effect.The meaning with line density is that cross-sectional area in other words unit length identical with the cross-sectional area of the bus-bars conductor body tube type bus conductor quality of tube type bus conductor body and unit length bus-bars conductor are identical in quality.
Hollow channel is the circular in cross-section (Fig. 1, Fig. 2, Fig. 6 and Fig. 7) of mounting hole (as Fig. 3, Fig. 8 and Fig. 9) or hollow channel, part circular (Figure 10), ellipse, part-elliptical, oblateness, part oblateness, oval, part oval, fan-shaped (Figure 11 and Figure 12), partial sector, n limit shape (Fig. 4 and Fig. 5) or part n limit shape, n >=3.Here be the shape of schematically citing hollow channel, certain hollow channel can also be other shape.
With regard to wall scroll high voltage bus, the shape of its hollow channel had can be identical, can part identical, can be all not identical yet.
Ideal, bus-bars conductor is honeycomb molded body.
When shared by high voltage bus when limited space, trying every possible means, to increase internal surface area be the most effectual way reducing skin effect.Internal surface area can be increased smoothly, limited reduction skin effect by the bus-bars conductor with multi-channel structure.In addition, conductor can be set up in hollow channel thus reach the technique effect of the increase-volume when not changing outer layer insulation.Multichannel can realize multimode and cool, the such as type of cooling such as air cooling, water-cooled, also be more conducive to high voltage bus heat conduction scatter and disappear, easily solve existing bus-bars conductor because of heat accumulation not easily scatter and disappear, resistance increases and causes high voltage bus to melt or the problem of burning.
Equations of The Second Kind embodiment:
A kind of insulating barrier carrying heavy current busbar to comprise tube type bus conductor and coated cast bus-bars conductor.Arrange some hollow channels in tube type bus conducting wall, hollow channel extends along tube type bus conductor length direction.Increasing bus-bars conductor internal surface area by increasing hollow channel quantity, realizing the technique effect effectively reducing skin effect.
Hollow channel is the circular in cross-section (Fig. 6 and Fig. 7) of mounting hole (Fig. 8 and Fig. 9) or hollow channel, part circular, ellipse, part-elliptical, oblateness, part oblateness, oval, part oval, fan-shaped, partial sector, n limit shape or part n limit shape, n >=3.Here be the shape of schematically citing hollow channel, certain hollow channel can also be other shape.
The shape of hollow channel can be identical, can part identical, can be all not identical yet.
Some hollow channels are set in tube type bus conducting wall, add the internal surface area of tube type bus conductor, effectively reduce skin effect.In addition, conductor can be set up in hollow channel thus reach the technique effect of the increase-volume when not changing outer layer insulation.Multichannel can realize multimode and cool, the such as type of cooling such as air cooling, water-cooled, also be more conducive to high voltage bus heat conduction scatter and disappear, easily solve existing bus-bars conductor because of heat accumulation not easily scatter and disappear, resistance increases and causes high voltage bus to melt or the problem of burning.
3rd class embodiment:
A kind of insulating barrier carrying heavy current busbar to comprise tube type bus conductor and coated cast bus-bars conductor.In tube type bus conductor inner chamber, the dividing body this lumen segmentation being become two or more hollow channel is set, hollow channel extends along tube type bus conductor length direction, dividing body and tube type bus conductor are with material and their jointly form bus-bars conductor of integrative-structure, and bus-bars conductor internal surface area is greater than tube type bus conductor internal surface area.
In tube type bus conductor inner chamber, the dividing body this lumen segmentation being become two or more hollow channel is set, namely quantity and the bus-bars conductor internal surface area of hollow channel is increased by dividing body, bus-bars conductor internal surface area is greater than tube type bus conductor internal surface area, effectively reduces skin effect.
Dividing body cross section in " one " font (Figure 10), " ten " font (Figure 12), " Y " shape (Figure 11), " H " shape, "T"-shaped, serpentine, " L " shape, " X " shape, " V " shape, " W " shape, " Z " shape, arc or n limit shape, n >=3.Here be the shape of schematically citing dividing body, certain dividing body can also be other shape.
Hollow channel is the circular in cross-section of mounting hole or hollow channel, part circular, ellipse, part-elliptical, oblateness, part oblateness, oval, part oval, fan-shaped, partial sector, n limit shape or part n limit shape, n >=3.Here be the shape of schematically citing hollow channel, certain hollow channel can also be other shape.
The shape of hollow channel can be identical, can part identical, can be all not identical yet.
Increased quantity and the bus-bars conductor internal surface area of hollow channel by dividing body, effectively reduce skin effect.In addition, conductor can be set up in hollow channel thus reach the technique effect of the increase-volume when not changing outer layer insulation.Multichannel can realize multimode and cool, the such as type of cooling such as air cooling, water-cooled, also be more conducive to high voltage bus heat conduction scatter and disappear, easily solve existing bus-bars conductor because of heat accumulation not easily scatter and disappear, resistance increases and causes high voltage bus to melt or the problem of burning.
Claims (11)
1. a conveying heavy current busbar, comprise the insulating barrier of bus-bars conductor and coated bus-bars conductor, bus-bars conductor has periphery, it is characterized in that: there is in bus-bars conductor two or more hollow channel, hollow channel extends along bus-bars conductor length direction, definition tube type bus conductor, and tube type bus conductor and bus-bars conductor are with external diameter and same line density, tube type bus conductor internal diameter r, in bus-bars conductor, hollow channel section girth summation is greater than 2 π r.
2. conveying heavy current busbar according to claim 1, it is characterized in that: hollow channel is the circular in cross-section of mounting hole or hollow channel, part circular, ellipse, part-elliptical, oblateness, part oblateness, oval, part oval, fan-shaped, partial sector, n limit shape or part n limit shape, n >=3.
3. conveying heavy current busbar according to claim 1 and 2, is characterized in that: the shape of hollow channel can be identical, can part identical, can be all not identical yet.
4. conveying heavy current busbar according to claim 1, is characterized in that: bus-bars conductor is honeycomb molded body.
5. carry a heavy current busbar, comprise the insulating barrier of tube type bus conductor and coated cast bus-bars conductor, it is characterized in that: arrange some hollow channels in tube type bus conducting wall, hollow channel extends along tube type bus conductor length direction.
6. conveying heavy current busbar according to claim 5, it is characterized in that: hollow channel is the circular in cross-section of mounting hole or hollow channel, part circular, ellipse, part-elliptical, oblateness, part oblateness, oval, part oval, fan-shaped, partial sector, n limit shape or part n limit shape, n >=3.
7. the conveying heavy current busbar according to claim 5 or 6, is characterized in that: the shape of hollow channel can be identical, can part identical, can be all not identical yet.
8. a conveying heavy current busbar, comprise the insulating barrier of tube type bus conductor and coated cast bus-bars conductor, it is characterized in that: in tube type bus conductor inner chamber, the dividing body this lumen segmentation being become two or more hollow channel is set, hollow channel extends along tube type bus conductor length direction, dividing body and tube type bus conductor are with material and their jointly form novel bus conductor of integrative-structure, and the novel bus conductor internal surface area of unit length is greater than the tube type bus conductor internal surface area of unit length.
9. conveying heavy current busbar according to claim 8, it is characterized in that: dividing body cross section in " one " font, " ten " font, " Y " shape, " H " shape, "T"-shaped, serpentine, " L " shape, " X " shape, " V " shape, " W " shape, " Z " shape, arc or n limit shape, n >=3.
10. conveying heavy current busbar according to claim 8, it is characterized in that: hollow channel is the circular in cross-section of mounting hole or hollow channel, part circular, ellipse, part-elliptical, oblateness, part oblateness, oval, part oval, fan-shaped, partial sector, n limit shape or part n limit shape, n >=3.
11. conveying heavy current busbares according to claim 10, is characterized in that: the shape of hollow channel can be identical, can part identical, can be all not identical yet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420386385.5U CN204045264U (en) | 2014-07-14 | 2014-07-14 | A kind of conveying heavy current busbar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420386385.5U CN204045264U (en) | 2014-07-14 | 2014-07-14 | A kind of conveying heavy current busbar |
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| Publication Number | Publication Date |
|---|---|
| CN204045264U true CN204045264U (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420386385.5U Expired - Lifetime CN204045264U (en) | 2014-07-14 | 2014-07-14 | A kind of conveying heavy current busbar |
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| CN (1) | CN204045264U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104051070A (en) * | 2014-07-14 | 2014-09-17 | 解文 | Large-current conveying bus |
-
2014
- 2014-07-14 CN CN201420386385.5U patent/CN204045264U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104051070A (en) * | 2014-07-14 | 2014-09-17 | 解文 | Large-current conveying bus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141224 |