CN101022042A - Insulation composite pipe bus and producing method thereof - Google Patents
Insulation composite pipe bus and producing method thereof Download PDFInfo
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- CN101022042A CN101022042A CN 200710027034 CN200710027034A CN101022042A CN 101022042 A CN101022042 A CN 101022042A CN 200710027034 CN200710027034 CN 200710027034 CN 200710027034 A CN200710027034 A CN 200710027034A CN 101022042 A CN101022042 A CN 101022042A
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Abstract
This invention relates to a bus bar of an insulation compound pipe and its manufacturing method, in which, thin wall copper pipe is selected as the bus bar for transporting large current and copper material can be saved by 60%, yet the mechanical strength of which is not enough and distorted easily, so compound steel tube or Al alloy is needed to support the copper pipe, which can carry large current and have high mechanical strength to be benefit for saving coloured metals, energy and environment protection, then an insulation layer is added to the compound copper pipe according to the voltage level of the bus bar, and the voltage level over 1KV needs shield process, the potential of the surface of the insulation layer is zero and a metal protection shield layer is processed outside of the insulation layer.
Description
Technical field
The present invention relates to transformer station in the power transmission and transformation technical field, power plant conveying high voltage, big electric current use, belong to the new invention technology.
Background technology
Existing heavy current busbar conductor thickness is all greater than 10mm, example 1: carry the conductor (copper bar) of 4000A rectangular bus bar, whenever be made up of three specifications (wide 120mm * thick 10mm) mutually, total sectional area is 3 (wide 120mm * thick 10mm)=3600
2, the total weight of every meter bus is 32kg, current density: 1.111 (A/mm
2), temperature rise 70k.Example 2: carrying 4000A insulation copper pipe bus specification is Ф 100mm * 10mm, and total sectional area is [(diameter Ф 100mmmm-thickness 10mm) * 3.14] * 10mm=2826
2, the total weight 25.12kg of every meter bus, current density: 1.42 (A/mm
2), temperature rise 45k, according to the kelvin effect principle, from the above-mentioned waste copper material especially severe of seeing, cost is high especially, if use the conductor that subtracts half than above-mentioned bus copper pipe or copper bar thickness to do bus, increases the surface area of conduction, and current density can be greater than 3.0 (A/mm
2), copper material can reduce the copper material loss and can reach 60% like this.
Summary of the invention
The objective of the invention is to overcome the shortcoming of prior art, provide a kind of ampacity big, in light weight, the insulation composite pipe bus of energy savings and manufacture method thereof.
The technical scheme that realizes the object of the invention is: according to the requirement of ampacity, the 3150A bus adopts the copper pipe of thin-walled---
1. the wall thickness 2mm of copper pipe, diameter 170mm, sectional area 1055mm
2, every meter weight 9.38kg, current density: 2.99 (A/mm
2), temperature rise 40k.
2. the wall thickness 1.5mm of copper pipe, diameter 190mm, sectional area 887.8mm
2, every meter weight 7.89kg, current density: 3.55 (A/mm
2), temperature rise 40k.
The 4000A bus adopts the copper pipe of thin-walled---
1. the wall thickness 4mm of copper pipe, diameter 160mm, sectional area 1959mm
2, every meter weight 17.42kg, current density: 2.04 (A/mm
2), temperature rise 45k.
2. the wall thickness 3.5mm of copper pipe, diameter 165mm, sectional area 1775mm
2, every meter weight 15.78kg, current density: 2.25 (A/mm
2), temperature rise 45k.
3. the wall thickness 3mm of copper pipe, diameter 170mm, sectional area 1573mm
2, every meter weight 13.98kg, current density: 2.54 (A/mm
2), temperature rise 45k.
4. the wall thickness 2.5mm of copper pipe, diameter 180mm, sectional area 1393mm
2, every meter weight 12.39kg, current density: 2.87 (A/mm
2), temperature rise 45k.
5. the wall thickness 2mm of copper pipe, diameter 210mm, sectional area 1306mm
2, every meter weight 11.61kg, current density: 3.06 (A/mm
2), temperature rise 45k.
6. the wall thickness 1.5mm of copper pipe, diameter 240mm, sectional area 1123mm
2, every meter weight 9.98kg, current density: 3.56 (A/mm
2), temperature rise 45k.
The 5000A bus adopts the copper pipe of thin-walled---
1. the wall thickness 4mm of copper pipe, diameter 200mm, sectional area 2461mm
2, every meter weight 21.89kg, current density: 2.03 (A/mm
2), temperature rise 45k.
2. the wall thickness 3mm of copper pipe, diameter 220mm, sectional area 2044mm
2, every meter weight 18kg, current density: 2.45 (A/mm
2), temperature rise 45k.
3. the wall thickness 2mm of copper pipe, diameter 270mm, sectional area 1683mm
2, every meter weight 15kg, current density: 2.97 (A/mm
2), temperature rise 45k.
4. the wall thickness 1.5mm of copper pipe, diameter 310mm, sectional area 1453mm
2, every meter weight 13kg, current density: 3.44 (A/mm
2), temperature rise 45k.
Learn from the conclusion of above contrast, save copper material and can reach 60%, so carrying the selection wall thickness of heavy current busbar is that the following copper pipe of 4mm is the basic skills of saving non-ferrous metal, saving the energy, but the copper pipe mechanical strength of thin-walled is yielding inadequately, so need composite steel tube or aluminium-alloy pipe to support in the copper pipe, ampacity with the copper pipe that reaches thin-walled is big, the mechanical strength height to saving non-ferrous metal, is saved the energy like this, environmental protection has social benefit widely.Electric pressure according to bus adds insulating barrier as insulation processing on compound copper pipe again; the above electric pressure of 1kV need be made shielding processing; the surface of insulating layer current potential is zero, makes metal coating screen (metal material is selected stainless steel, aluminium plate, tubing, flexible metal conduit for use) outside insulating barrier.
The invention has the beneficial effects as follows: provide a kind of ampacity big, in light weight, save non-ferrous metal, save the energy, the insulation composite pipe bus of environmental protection and manufacture method thereof, safe and reliable a kind of insulation composite pipe bus.
Description of drawings
Accompanying drawing 1 is a structural representation of the present invention.
Among the figure: 1. thin-wall copper pipe, 2. steel pipe or aluminium-alloy pipe layer, 3. insulating barrier or shield dielectric layer, 4. metal coating screen.
Embodiment
Be described further below in conjunction with 1 pair of the specific embodiment of the present invention of accompanying drawing.
As shown in Figure 1, insulation composite pipe bus of the present invention and manufacture method thereof, according to the requirement of ampacity, the 4000A bus adopts the copper pipe of thin-walled, the wall thickness 4mm of copper pipe, diameter 160mm, sectional area 1959mm
2, every meter weight 17.42kg, current density: 2.0 (A/mm
2), temperature rise 45k.The wall thickness 1.5mm of copper pipe, diameter 240mm, sectional area 1123mm
2, every meter weight 9.98kg, current density: 3.56 (A/mm
2), temperature rise 45k.Learn from the conclusion of above contrast, save copper material and can reach 60%, so carrying the copper pipe of the selection thin-walled of heavy current busbar is the basic skills of saving non-ferrous metal, saving the energy, but the copper pipe mechanical strength of thin-walled is yielding inadequately, so need composite steel tube or aluminium-alloy pipe to support in the copper pipe, ampacity with the copper pipe that reaches thin-walled is big, the mechanical strength height to saving non-ferrous metal, is saved the energy like this, environmental protection has social benefit widely.Electric pressure according to bus adds insulating barrier as insulation processing on compound copper pipe again; the above electric pressure of 1kV need be made shielding processing; the surface of insulating layer current potential is zero, makes metal coating screen (metal material is selected stainless steel, aluminium plate, tubing, flexible metal conduit for use) outside insulating barrier.
The manufacture method one of its insulation composite pipe bus: according to the ampacity requirement; elder generation's drawing thin-wall copper pipe (wall thickness 0.1mm～10mm); steel pipe or aluminium-alloy pipe (wall thickness 1mm～10mm); again steel pipe or aluminium-alloy pipe are inserted in the thin-wall copper pipe; with roll mill thin-wall copper pipe undergauge to steel pipe or aluminium-alloy pipe combined closely; form compound copper pipe; install compound copper pipe conductor appearance additional insulating barrier according to electric pressure again; the above electric pressure of 1kV need be made shielding processing; the surface of insulating layer current potential is zero, and (metal material is selected stainless steel for use to make the metal coating screen outside insulating barrier; aluminium plate; tubing; flexible metal conduit).
The manufacture method two of its insulation composite pipe bus: according to the ampacity requirement; the sheet copper that selection adapts (thickness 0.1mm～10mm); steel pipe or aluminium-alloy pipe (wall thickness 1mm～10mm); again sheet copper is rolled on steel pipe or aluminium-alloy pipe with volume milling train volume; while rolling up to roll to weld sheet copper is welded on steel pipe or the aluminium-alloy pipe; again weld bond is polished flat; form compound copper pipe; thin-wall copper pipe outside; steel pipe or aluminium-alloy pipe are interior; install compound copper pipe conductor appearance additional insulating barrier according to electric pressure again; the above electric pressure of 1kV need be made shielding processing; the surface of insulating layer current potential is zero, makes metal coating screen (metal material is selected stainless steel for use; aluminium plate; tubing; flexible metal conduit) outside insulating barrier.
Claims (8)
1, a kind of insulation composite pipe bus is characterized in that: interior composite steel tube of thin-wall copper pipe (1) or aluminium-alloy pipe (2), install insulating barrier (3) additional in the appearance of composite pipe bus.
2, a kind of insulation composite pipe bus according to claim 1 is characterized in that: the appearance at composite pipe bus installs shield dielectric layer (3) additional according to electric pressure, and shield dielectric layer (3) surface potential is zero.
3, a kind of insulation composite pipe bus according to claim 1 is characterized in that: make metal coating screen (4) outside insulating barrier.
4, a kind of insulation composite pipe bus according to claim 1 and manufacture method thereof is characterized in that: thin-wall copper pipe (1) outside, steel pipe or aluminium-alloy pipe (2) are interior.
5, a kind of insulation composite pipe bus according to claim 1 is characterized in that: the thin-wall copper pipe wall thickness is 0.1mm～10mm.
6, a kind of insulation composite pipe bus according to claim 1 is characterized in that: steel pipe or aluminium-alloy pipe wall thickness are 1mm～10mm.
7; according to described a kind of insulation composite pipe bus of claim 1-5 and manufacture method thereof; the manufacture method of its insulation composite pipe bus is: according to the ampacity requirement; draw thin-wall copper pipe (1) wall thickness 0.1mm～10mm earlier; steel pipe or aluminium-alloy pipe (2); wall thickness 1mm～10mm; again steel pipe or aluminium-alloy pipe (2) are inserted in the thin-wall copper pipe (1); with roll mill thin-wall copper pipe (1) undergauge to steel pipe or aluminium-alloy pipe (2) combined closely; form compound copper pipe; install compound copper pipe conductor appearance additional insulating barrier (3) according to electric pressure again; voltage levels need be made shielding insulation; shield dielectric layer (3) surface potential is zero, makes metal coating screen (4) outside insulating barrier.
8; according to described a kind of insulation composite pipe bus of claim 1-5 and manufacture method thereof; the manufacture method of its insulation composite pipe bus is: according to the ampacity requirement; the sheet copper that selection adapts; thickness 0.1mm～10mm; steel pipe or aluminium-alloy pipe (2) wall thickness 1mm～10mm; again sheet copper is rolled on steel pipe or aluminium-alloy pipe (2) with volume milling train volume; while rolling up to roll to weld sheet copper is welded on steel pipe or the aluminium-alloy pipe (2); again weld bond is polished flat; form compound copper pipe; install compound copper pipe conductor appearance additional insulating barrier (3) according to electric pressure again; voltage levels need be made shielding insulation; shield dielectric layer (3) surface potential is zero, makes metal coating screen (4) outside insulating barrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200710027034XA CN100511492C (en) | 2007-03-01 | 2007-03-01 | Insulation composite pipe bus and producing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200710027034XA CN100511492C (en) | 2007-03-01 | 2007-03-01 | Insulation composite pipe bus and producing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101022042A true CN101022042A (en) | 2007-08-22 |
| CN100511492C CN100511492C (en) | 2009-07-08 |
Family
ID=38709769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200710027034XA Active CN100511492C (en) | 2007-03-01 | 2007-03-01 | Insulation composite pipe bus and producing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100511492C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102237157A (en) * | 2010-04-22 | 2011-11-09 | 上海产联电气科技有限公司 | Dry-type all-insulating tubular bus |
| CN102545641A (en) * | 2010-12-14 | 2012-07-04 | 贵阳铝镁设计研究院有限公司 | Method for supplying long-distance and large-current power |
-
2007
- 2007-03-01 CN CNB200710027034XA patent/CN100511492C/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102237157A (en) * | 2010-04-22 | 2011-11-09 | 上海产联电气科技有限公司 | Dry-type all-insulating tubular bus |
| CN102237157B (en) * | 2010-04-22 | 2012-10-17 | 上海产联电气科技有限公司 | Dry-type all-insulating tubular bus |
| CN102545641A (en) * | 2010-12-14 | 2012-07-04 | 贵阳铝镁设计研究院有限公司 | Method for supplying long-distance and large-current power |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100511492C (en) | 2009-07-08 |
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Owner name: GUANGDONG RIZHAO NEW TECHNOLOGY APPLICATION CO., L Free format text: FORMER OWNER: LUO ZHIZHAO Effective date: 20120418 |
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Effective date of registration: 20120418 Address after: Shijing Yagang street, Baiyun District of Guangzhou City, Guangdong province 510000 Xinchang Sony Industrial Zone Patentee after: Guangdong Zhao new technology application Co. Ltd. Address before: Panyu District City, Guangzhou City, Guangdong Province town of dragon 511400 Yingbin Road section of the United States Jinlong Garden 4 Street No. 1 Patentee before: Luo Zhizhao |
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Owner name: GUANGDONG NIZHAO ELECTRICIAN CO., LTD. Free format text: FORMER OWNER: GUANGDONG RIZHAO NEW TECHNOLOGY APPLICATION CO., LTD. Effective date: 20141117 |
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Effective date of registration: 20141117 Address after: 516100 East Industrial Zone, Yang Yang, Boluo County, Guangdong, Guangzhou Patentee after: Guangdong Zhao Zhao Electrical Co., Ltd. Address before: Shijing Yagang street, Baiyun District of Guangzhou City, Guangdong province 510000 Xinchang Sony Industrial Zone Patentee before: Guangdong Zhao new technology application Co. Ltd. |
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Address after: 516100 East Industrial Zone, Yang Yang, Boluo County, Guangdong, Huizhou Patentee after: Guangdong Zhao Zhao Electrical Co., Ltd. Address before: 516100 East Industrial Zone, Yang Yang, Boluo County, Guangdong, Guangzhou Patentee before: Guangdong Zhao Zhao Electrical Co., Ltd. |