CN113823444A - Multilayer tubular bus structure - Google Patents

Multilayer tubular bus structure Download PDF

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Publication number
CN113823444A
CN113823444A CN202111228521.9A CN202111228521A CN113823444A CN 113823444 A CN113823444 A CN 113823444A CN 202111228521 A CN202111228521 A CN 202111228521A CN 113823444 A CN113823444 A CN 113823444A
Authority
CN
China
Prior art keywords
wall
tubular busbar
pipe bus
tubular
bus
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.)
Pending
Application number
CN202111228521.9A
Other languages
Chinese (zh)
Inventor
吴波
柏海丰
曹叶飞
王陆一
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Pinggao Tianling Switch Co ltd
Pinggao Group Co Ltd
Original Assignee
Shanghai Pinggao Tianling Switch Co ltd
Pinggao Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Pinggao Tianling Switch Co ltd, Pinggao Group Co Ltd filed Critical Shanghai Pinggao Tianling Switch Co ltd
Priority to CN202111228521.9A priority Critical patent/CN113823444A/en
Publication of CN113823444A publication Critical patent/CN113823444A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/0009—Details relating to the conductive cores
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/0045—Cable-harnesses
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/24—Devices affording localised protection against mechanical force or pressure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
    • H01B7/421—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation
    • H01B7/423—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation using a cooling fluid
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00—Power cables
    • H01B9/04—Concentric cables

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  • Non-Insulated Conductors (AREA)

Abstract

The invention discloses a multilayer tubular bus structure, which is characterized by comprising: the bus bar comprises an outer pipe bus arranged on the outermost layer and an inner pipe bus concentrically arranged with the outer pipe bus, wherein a plurality of middle-layer pipe buses are arranged between the outer pipe bus and the inner pipe bus; the outer pipe bus, the middle layer pipe bus and the inner pipe bus are all of tubular structures; at least one first supporting piece is arranged between the inner wall of the outer pipe bus and the outer wall of the middle-layer pipe bus; at least one second supporting piece is arranged between the inner wall of the middle-layer tubular busbar and the outer wall of the inner tubular busbar. The production process is simple to realize, and can meet the requirement of batch production. According to different application requirements, the angle and the length required by bending can be designed for application.

Description

Multilayer tubular bus structure
Technical Field
The invention relates to the field of industrial electrical equipment, in particular to a multilayer tubular bus structure.
Background
At present, the bus structure in the market mainly comprises rectangular strip buses. In industry, especially in the power industry, various elements with high current-carrying requirements are mostly connected by large bus bars or a plurality of groups of strip bus bars in an overlapping way. Even applications of tubular busbars are more common with solid or single layer tubular busbars. The strength of a multilayer busbar, partially in the form of a support, is limited by the application. With the progress of science and technology and times, switch cabinets and a plurality of electric products gradually develop towards miniaturization, and the original layout and arrangement mode hardly give consideration to various factors such as current carrying, heat dissipation, material saving, electric field and the like, and can only be chosen according to actual use conditions and environments. With the continuous breakthrough of the technology and technology at home and abroad, the structure of the busbar is diversified.
Disclosure of Invention
To overcome the above-mentioned drawbacks of the prior art, it is an object of the present invention to provide a multilayer tubular bus structure.
In order to realize the purpose of the invention, the adopted technical scheme is as follows:
a multilayer tubular busbar structure comprising:
the bus bar comprises an outer pipe bus arranged on the outermost layer and an inner pipe bus concentrically arranged with the outer pipe bus, wherein a plurality of middle-layer pipe buses are arranged between the outer pipe bus and the inner pipe bus;
the outer pipe bus, the middle layer pipe bus and the inner pipe bus are all of tubular structures;
at least one first supporting piece is arranged between the inner wall of the outer pipe bus and the outer wall of the middle-layer pipe bus;
at least one second supporting piece is arranged between the inner wall of the middle-layer tubular busbar and the outer wall of the inner tubular busbar.
In a preferred embodiment of the present invention, the first and second supports are disposed on radial lines of the axis of the multilayer tubular bus structure.
In a preferred embodiment of the present invention, the first support divides a first space between the inner wall of the outer pipe bus bar and the outer wall of the intermediate layer pipe bus bar into a plurality of equally divided spaces.
In a preferred embodiment of the present invention, the second support divides a second space between the inner wall of the intermediate-layer tube bus bar and the outer wall of the inner tube bus bar into a plurality of equally divided spaces.
In a preferred embodiment of the present invention, the first support sets a first space between an inner wall of the outer pipe bus bar and an outer wall of the middle layer pipe bus bar to a spiral space structure having a horseshoe-shaped cross section.
In a preferred embodiment of the present invention, the second support member sets a second space between an inner wall of the intermediate layer pipe bus bar and an outer wall of the inner pipe bus bar in a spiral space structure having a horseshoe-shaped cross section.
In a preferred embodiment of the present invention, the first support divides a first space between an inner wall of the outer pipe bus bar and an outer wall of the middle-layer pipe bus bar into a plurality of curved spaces.
In a preferred embodiment of the present invention, the second support divides a second space between an inner wall of the middle-layer tube bus bar and an outer wall of the inner tube bus bar into a plurality of curved spaces.
In a preferred embodiment of the present invention, the multilayer tubular bus structure is made of copper, aluminum or copper-aluminum combination material.
In a preferred embodiment of the present invention, the first support or the second support is a honeycomb structure.
In a preferred embodiment of the present invention, the first support or the second support is a mesh-like structure.
The invention has the beneficial effects that:
the multilayer tubular bus structure mode can realize the optimization of large current, high current carrying and electric field and improve the requirement of heat dissipation. The problem of large current carrying is solved by increasing the surface area; the integrated bus is formed by using the structural support of the bus, so that the overall strength is enhanced; the hollow part of the multilayer tubular bus can realize air convection heat dissipation; and the electric field performance is optimized by utilizing the shapes of the pipe and the arc line. And adjusting the number of tube layers and the number and shape of supports according to the rated current.
The structure increases an optimal scheme for bus selection of large current carrying, high heat dissipation and electric field optimization application. The problems of heat dissipation and bending processing of the solid cylindrical bus are solved, and the advantages of material reduction and cost reduction are realized; the defect of non-uniform electric field of the rectangular busbar is also overcome.
The production process is simple to realize, and can meet the requirement of batch production. According to different application requirements, the angle and the length required by bending can be designed for application.
Drawings
Fig. 1 is a first structural schematic diagram of the present invention.
Fig. 2 is a second structural schematic diagram of the present invention.
Fig. 3 is a third schematic structural diagram of the present invention.
Fig. 4 is a fourth schematic structural diagram of the present invention.
Fig. 5 is a fifth structural schematic diagram of the present invention.
Fig. 6 is a sixth schematic structural view of the present invention.
Detailed Description
The working principle of the invention is further explained by combining the specific embodiments as follows:
example 1
As shown in fig. 1 or 2, the multilayer tubular busbar structure 1 includes an outer tubular busbar 4 disposed on the outermost layer and an inner tubular busbar 2 disposed concentrically with the outer tubular busbar 4, and an intermediate tubular busbar 3 is disposed between the outer tubular busbar 4 and the inner tubular busbar 2. As shown in fig. 2, the outer pipe bus bar 4, the intermediate layer pipe bus bar 3, and the inner pipe bus bar 2 are all tubular structures.
Six first supports 51 are provided between the inner wall 41 of the outer tubular busbar 4 and the outer wall 31 of the intermediate layer tubular busbar 3.
Six second supporting members 52 are provided between the inner wall 32 of the intermediate layer tubular busbar 3 and the outer wall 21 of the inner tubular busbar 2.
The first support 51 and the second support 52 are both disposed on the radial line of the axis of the multilayer tubular bus structure. The first space 18 between the inner wall 41 of the outer tube bus bar 4 and the outer wall 31 of the intermediate layer tube bus bar 3 is divided into six equally divided spaces by the first support 51.
The second space 19 between the inner wall 32 of the intermediate-layer tubular busbar 3 and the outer wall 21 of the inner tubular busbar 2 is divided into six equally divided spaces by the second support 52.
Example 2
As shown in fig. 3 or 4, the multilayer tubular busbar structure 6 includes an outer tubular busbar 9 disposed on the outermost layer and an inner tubular busbar 7 disposed concentrically with the outer tubular busbar 9, and an intermediate tubular busbar 8 is disposed between the outer tubular busbar 9 and the inner tubular busbar 7. As shown in fig. 4, the outer tube busbar 9, the intermediate layer tube busbar 8, and the inner tube busbar 7 are all tubular structures.
A first support 11 is provided between the inner wall 91 of the outer tubular busbar 9 and the outer wall 81 of the intermediate layer tubular busbar 8.
A second support 10 is provided between the inner wall 82 of the intermediate-layer tubular busbar 8 and the outer wall 71 of the inner tubular busbar 7.
The first space 20 between the inner wall 91 of the outer pipe bus bar 9 and the outer wall 81 of the intermediate layer pipe bus bar 8 is provided as a spiral space structure having a horseshoe shape in cross section by a single first support 11.
The second space 21 between the inner wall 82 of the intermediate-layer pipe bus bar 8 and the outer wall 71 of the inner pipe bus bar 7 is provided in a spiral space structure having a horseshoe-shaped cross section by a single second support 10.
Example 3
As shown in fig. 5 or 6, the multilayer tubular busbar structure 12 includes an outer tubular busbar 15 disposed on the outermost layer and an inner tubular busbar 13 disposed concentrically with the outer tubular busbar 15, and an intermediate tubular busbar 14 is disposed between the outer tubular busbar 15 and the inner tubular busbar 13. As shown in fig. 6, the outer pipe bus bar 15, the intermediate layer pipe bus bar 14, and the inner pipe bus bar 13 are all of a tubular structure.
A first support 17 is provided between the inner wall 151 of the outer pipe bus bar 15 and the outer wall 141 of the intermediate layer pipe bus bar 14.
A second support 16 is provided between the inner wall 142 of the intermediate-layer tubular busbar 14 and the outer wall 131 of the inner tubular busbar 13.
The first space 22 between the inner wall 151 of the outer tube bus bar 15 and the outer wall 141 of the intermediate layer tube bus bar 14 is divided into a plurality of curved spaces by the first supports 17.
The second space 23 between the inner wall 142 of the intermediate layer tubular busbar 14 and the outer wall 131 of the inner tubular busbar 13 is divided into a plurality of curved spaces by the second support 16.
Besides, the multilayer tubular bus is mainly made of copper, aluminum or copper-aluminum.
The multilayer tubular busbar structure is formed by integrally processing a multilayer tubular busbar and different supporting structures, the busbars with different pipe diameters are gradually increased and distributed from small to large, and the number of layers is more than or equal to two.
The outermost layer of the multilayer tubular bus adopts a tubular shape, the shape from inside to inside in sequence can be not limited, and the current-carrying section, the supporting strength and the heat dissipation area can be realized by adjusting the density and the shape.
The multilayer tubular bus structure is concentrically arranged with different pipe diameters.
The multilayer tubular busbar supports are respectively connected with two adjacent layers of tubular busbars, integrated processing is completed, the tubular busbars are evenly arranged between interlayers, and the overall strength of the multilayer tubular busbar is controlled by adjusting the number and the width cross section.
The shape of the support includes, but is not limited to, fig. 1 (straight plate shape), fig. 3 (spiral shape), fig. 5 (fan-blade shape), and can also adopt, for example, honeycomb shape, mesh shape, etc.
The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.

Claims (10)

1. A multilayer tubular busbar structure, comprising:
the bus bar comprises an outer pipe bus arranged on the outermost layer and an inner pipe bus concentrically arranged with the outer pipe bus, wherein a plurality of middle-layer pipe buses are arranged between the outer pipe bus and the inner pipe bus;
the outer pipe bus, the middle layer pipe bus and the inner pipe bus are all of tubular structures;
at least one first supporting piece is arranged between the inner wall of the outer pipe bus and the outer wall of the middle-layer pipe bus;
at least one second supporting piece is arranged between the inner wall of the middle-layer tubular busbar and the outer wall of the inner tubular busbar.
2. A multi-layered tubular busbar structure as claimed in claim 1, wherein said first and second support members are disposed radially of the axis of the multi-layered tubular busbar structure.
3. A multi-layered tubular busbar structure as claimed in claim 2, wherein said first support divides a first space between an inner wall of said outer tubular busbar and an outer wall of said intermediate layer tubular busbar into a plurality of equally divided spaces.
4. A multi-layered tubular busbar structure as claimed in claim 2, wherein said second support member divides a second space between an inner wall of said intermediate layer tubular busbar and an outer wall of said inner tubular busbar into a plurality of equally divided spaces.
5. A multi-layered tubular busbar structure as claimed in claim 1, wherein said first support member sets a first space between an inner wall of said outer tubular busbar and an outer wall of said intermediate tubular busbar into a spiral space structure having a horseshoe-shaped cross section.
6. A multi-layered tubular busbar structure as claimed in claim 1, wherein said second support member sets a second space between an inner wall of said intermediate layer tubular busbar and an outer wall of said inner tubular busbar into a spiral space structure having a horseshoe-shaped cross section.
7. A multilayer tubular busbar structure as claimed in claim 1, wherein said first support member divides a first space between an inner wall of said outer tubular busbar and an outer wall of said intermediate layer tubular busbar into a plurality of curved spaces;
the second support piece divides a second space between the inner wall of the middle-layer pipe bus and the outer wall of the inner pipe bus into a plurality of curved spaces.
8. The multilayer tubular busbar structure of claim 1, wherein said multilayer tubular busbar structure is copper, aluminum, or a combination thereof.
9. A multilayer tubular busbar structure as claimed in claim 1, wherein said first support member or said second support member is of a honeycomb structure.
10. A multi-layered tubular busbar structure as claimed in claim 1, wherein said first support member or said second support member is a mesh-like structure.
CN202111228521.9A 2021-10-21 2021-10-21 Multilayer tubular bus structure Pending CN113823444A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111228521.9A CN113823444A (en) 2021-10-21 2021-10-21 Multilayer tubular bus structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111228521.9A CN113823444A (en) 2021-10-21 2021-10-21 Multilayer tubular bus structure

Publications (1)

Publication Number Publication Date
CN113823444A true CN113823444A (en) 2021-12-21

Family

ID=78917117

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111228521.9A Pending CN113823444A (en) 2021-10-21 2021-10-21 Multilayer tubular bus structure

Country Status (1)

Country Link
CN (1) CN113823444A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000222950A (en) * 1999-02-01 2000-08-11 Hitachi Cable Ltd Power cable with cooling function
CN101281807A (en) * 2007-04-04 2008-10-08 北京云电英纳超导电缆有限公司 Superconducting cable for insulation and thermal insulation
CN203931631U (en) * 2014-06-18 2014-11-05 崔宝林 The all insulation shielding special-shaped tubular tubular bus with double-deck air passage
CN109767873A (en) * 2019-01-15 2019-05-17 北京中良恒通科技有限公司 A kind of 35kv and New insulated tube type bus below and its manufacture craft
CN213691495U (en) * 2020-12-01 2021-07-13 赵明星 Flexible cable bus line core

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000222950A (en) * 1999-02-01 2000-08-11 Hitachi Cable Ltd Power cable with cooling function
CN101281807A (en) * 2007-04-04 2008-10-08 北京云电英纳超导电缆有限公司 Superconducting cable for insulation and thermal insulation
CN203931631U (en) * 2014-06-18 2014-11-05 崔宝林 The all insulation shielding special-shaped tubular tubular bus with double-deck air passage
CN109767873A (en) * 2019-01-15 2019-05-17 北京中良恒通科技有限公司 A kind of 35kv and New insulated tube type bus below and its manufacture craft
CN213691495U (en) * 2020-12-01 2021-07-13 赵明星 Flexible cable bus line core

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