CN104332236B - A kind of cable - Google Patents
A kind of cable Download PDFInfo
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- CN104332236B CN104332236B CN201410129060.3A CN201410129060A CN104332236B CN 104332236 B CN104332236 B CN 104332236B CN 201410129060 A CN201410129060 A CN 201410129060A CN 104332236 B CN104332236 B CN 104332236B
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- fin
- insulating barrier
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- 239000010410 layer Substances 0.000 claims abstract description 99
- 230000004888 barrier function Effects 0.000 claims abstract description 42
- 229910000743 fusible alloy Inorganic materials 0.000 claims abstract description 20
- 239000011241 protective layer Substances 0.000 claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 5
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- 239000004800 polyvinyl chloride Substances 0.000 claims description 4
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 4
- 238000005491 wire drawing Methods 0.000 claims description 4
- 229910000807 Ga alloy Inorganic materials 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 230000032683 aging Effects 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 3
- 230000009466 transformation Effects 0.000 description 10
- 238000007789 sealing Methods 0.000 description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 7
- 239000004020 conductor Substances 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 230000005672 electromagnetic field Effects 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000002887 superconductor Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920001596 poly (chlorostyrenes) Polymers 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Abstract
The invention provides a kind of cable, the cable includes conductive core, insulating barrier（5）, screen layer and protective layer（7）, screen layer is set respectively inside and outside insulating barrier；Conductive core includes conductive core（1）With along conductive core（1）The fin being radially arranged（2）And it is filled in fin（2）Between heat dissipating layer（3）, heat dissipating layer（3）For low-melting alloy layer.The cable current capacity is big, and heat-sinking capability is strong, saves raw material, aging speed is slow, extends the service life of cable.
Description
Technical field
The present invention relates to one kind transmission of electricity device, in particular to a kind of cable.
Background technology
Superconductor refers to that when less than a certain temperature resistance suddenly drops to zero material.
It can be superconducted using the zero resistance nature of superconductor to manufacture hyperconductive cable, superconducting magnet, superconducting transformer etc.
Power apparatus, loss can be reduced to greatest extent.
Superconducting power device is primarily adapted for use in high current transmission.For connecting the electricity of superconducting power device and transformation device
Cable, general diameter is bigger, also heavier.Due to the fuel factor of electric current, when load current passes through normal cable, fever phenomenon ratio
It is more apparent.It is typically that more normal cables are used in parallel when transmitting more high current, to mitigate the radiating burden of unit cable.
Nevertheless, cable radiating effect is still bad, aging speed is still very fast.
The content of the invention
To overcome drawbacks described above existing for prior art, the invention provides a kind of improved cable, current capacity is big, dissipates
Heat energy power is strong, saves raw material, aging speed is slow, extends the service life of cable.
For achieving the above object, the technical scheme taken of the present invention is：
A kind of cable includes conductive core, insulating barrier（5）, screen layer and protective layer（7）, screen is set inside and outside insulating barrier respectively
Cover layer；Conductive core includes conductive core（1）With along conductive core（1）The fin being radially arranged（2）And it is filled in fin（2）Between
Heat dissipating layer（3）.
Fin（2）It is made up of one kind in gold, silver, copper, aluminum or aluminum alloy.
Conductive core（1）It is made up of one or more materials in gold, silver, copper, aluminum or aluminum alloy.
Further, conductive core（1）With fin（2）It is made up of phase same material.Heat dispersion is good.
Further, conductive core（1）For alloy, by weight percentage, the alloy：Silicon 0.1%, iron 0.3%~
0.8%, copper 0.15%~0.3%, magnesium 0.05%, zinc 0.05%, boron 0.001%~0.004%, aluminium is surplus.
Further, conductive core（1）For single metal wire, fin（2）It is formed in one with wire, by metal through mould
Tool shaping, wire diameter is 5~100mm.
Fin（2）Radiated by heat transfer for conductor layer, support is provided for low-melting alloy heat dissipating layer.
Further, conductive core（1）For metal wire arranged in parallel or twisted metal wire.
Further, twisted metal wire is to twist again after single-wire independence process or the preformed plying of more wires
System.
Further, twisted metal wire, a diameter of 1~5mm of single-wire, a diameter of 5 after more wires process
~100mm；It is 10~60 times that lay ratio is twisted during single-wire independence process.
Further, conductive core（1）And fin（2）To be welded to connect.
Further, heat dissipating layer（3）For low-melting alloy layer.
Further, insulating barrier（5）For cross-linked polyethylene layer, insulating barrier（5）The screen layer I of interior setting（4）For polychlorostyrene second
Alkene layer, shield electromagnetic field.
Further, insulating barrier（5）The screen layer II of outer setting（6）For low-melting alloy layer.
Further, low-melting alloy is gallium alloy.
The thermal conductivity of the low-melting alloy of selection is high, density is big, stability is good, and chemical change is not susceptible to after phase transformation.
Low-melting alloy absorbs heat in low-melting alloy phase transition process in addition as power transmission medium.Cable conduction layer is sent out
Heat, when temperature reaches the fusing point of low-melting alloy, low-melting alloy can be changed into liquid from solid-state, reduce conductor layer and air
Thermal resistance between environment, improve the temperature homogeneity of whole piece power transmission cable.
Gallium alloy is Ga80In20 or Ga62In25Sn13.
Another object of the present invention is to provide a kind of method for preparing cable, comprise the following steps：
1）Bracing wire：The metal drawn to wire drawing machine is heat-treated；Copper, aluminium monofilament in the case where being heated to certain temperature, with
The mode of recrystallization come improve the toughness of monofilament, reduce monofilament intensity, to meet requirement of the electric wire to conductor wire core.Move back
Firer's sequence key is to prevent the oxidation of copper wire；
2）Process：Hydraulic pressure compacting is carried out to the metal wire being twisted by twisted pitch diameter；
3）Weld fin（2）；
4）Between the radiating of shaping is placed on into fin, compress；
5）Coat screen layer I；
Screen layer I is extruded, cable both ends carry out sealing closing in；
6）Coated insulation layer（5）；Extrude solid type insulating barrier or be closely wound insulating barrier；
7）Formed in mould screen layer II is placed on insulating barrier（5）Outside；
8）Coat protective layer（7）, plastic protective layer, stranding are extruded with extruding machine.
Conductive core both ends are annular connection structure；Screen layer I, insulating barrier and screen layer II are in the linear portions of conductive core
Divide and the sealing of loop configuration junction is closed up, flowed out after preventing low-melting alloy phase transformation.
The both ends of cable are respectively connected to transformation device and superconducting power device.
By adopting the above-described technical solution, compared with prior art, beneficial effects of the present invention include：
1. the cable in the present invention, it is low-melting-point metal to increase fin and heat dissipating layer, heat dissipating layer, utilizes low-melting metal phase
Changeable heat-absorbing, heat-sinking capability are strong；
2. the specified current capacity of cable in the present invention improves, current capacity is big；
3. the cable in the present invention saves raw material, cost is reduced；
4. the cable aging speed in the present invention is slow, the service life of cable is extended；
5. the cable energy-saving in the present invention, environmental protection；
6. the construction of cable in the present invention is simple, make simply, manufacturing cost is low；
7. low-melting alloy can be changed into liquid after temperature reaches fusing point from solid-state in cable in the present invention, conductor is reduced
Thermal resistance between layer and atmospheric environment, improve the temperature homogeneity of cable.
Brief description of the drawings
Fig. 1 is the sectional view of cable；
Fig. 2 is the profile of cable；
1 conductive core；2 fins；3 heat dissipating layers；4 screen layers I；5 insulating barriers；6 screen layers II；7 protective layers.
Embodiment
With reference to example, the present invention will be described in detail.
Embodiment 1：
As shown in figure 1, a kind of cable of the present invention includes
A kind of cable includes conductive core, insulating barrier（5）, screen layer and protective layer（7）, screen is set inside and outside insulating barrier respectively
Cover layer；Conductive core includes conductive core（1）With along conductive core（1）It is radially arranged fin（2）And it is filled in fin（2）Between
Heat dissipating layer（3）.
Conductive core（1）For single metal wire, fin（2）It is formed in one with wire, by metal through mould molding, gold
Category linear diameter is 100mm.
Conductive core（1）And fin（2）For aluminium alloy, aluminium alloy meter：Silicon 0.1%, iron 0.3%~
0.8%, copper 0.15%~0.3%, magnesium 0.05%, zinc 0.05%, boron 0.001%~0.004%, aluminium is surplus.Heat dispersion is good.
Fin（2）Radiated by heat transfer for conductor layer, support is provided for low-melting alloy heat dissipating layer.
Heat dissipating layer（3）For Ga80In20 layers.Insulating barrier（5）For cross-linked polyethylene layer, insulating barrier（5）The screen layer of interior setting
Ⅰ（4）For polyvinyl chloride layer, electromagnetic field is shielded.Insulating barrier（5）The screen layer II of outer setting（6）For Ga80In20 layers.
Another object of the present invention is to provide a kind of method for preparing cable, comprise the following steps：
1）Fin（2）It is formed in one with wire, by metal through mould molding；
2）Between formed in mould radiating is placed on into fin, compress；
3）Coat screen layer I；
Screen layer I is extruded, cable both ends carry out sealing closing in；
4）Coated insulation layer（5）；Extrude solid type insulating barrier；
5）Formed in mould screen layer II is placed on insulating barrier（5）Outside；
6）Coat protective layer（7）, plastic protective layer, stranding are extruded with extruding machine.
Conductive core both ends are annular connection structure；Screen layer I, insulating barrier and screen layer II are in the linear portions of conductive core
Divide and the sealing of loop configuration junction is closed up, flowed out after preventing low-melting alloy phase transformation.
The both ends of cable are respectively connected to transformation device and superconducting power device.
Embodiment 2：
As shown in figure 1, a kind of cable of the present invention includes
A kind of cable includes conductive core, insulating barrier（5）, screen layer and protective layer（7）, screen is set inside and outside insulating barrier respectively
Cover layer；Conductive core includes conductive core（1）With along conductive core（1）It is radially arranged fin（2）And it is filled in fin（2）Between
Heat dissipating layer（3）.
Conductive core（1）For metal wire arranged in parallel, a diameter of 5mm of single-wire, 10 wires a diameter of 5~
10050mm；Conductive core（1）And fin（2）To be welded to connect.Conductive core（1）With fin（2）Material is identical, is copper, dissipates
Hot property is good.
Fin（2）Radiated by heat transfer for conductor layer, support is provided for low-melting alloy heat dissipating layer.
Heat dissipating layer（3）For Ga62In25Sn13 layers.Insulating barrier（5）For cross-linked polyethylene layer, insulating barrier（5）The screen of interior setting
Cover layer I（4）For polyvinyl chloride layer, electromagnetic field is shielded.Insulating barrier（5）The screen layer II of outer setting（6）For Ga62In25Sn13 layers.
Another object of the present invention is to provide a kind of method for preparing cable, comprise the following steps：
1）Bracing wire：With being heat-treated after wire drawing machine draw metal line；
2）Process：Hydraulic pressure compacting after more wires are arranged in parallel；
3）Weld fin（2）；
4）Between formed in mould radiating is placed on into fin, compress；
5）Coat screen layer I；
Screen layer I is extruded, cable both ends carry out sealing closing in；
6）Coated insulation layer（5）；It is closely wound insulating barrier；
7）Formed in mould screen layer II is placed on insulating barrier（5）Outside；
8）Coat protective layer（7）, plastic protective layer, stranding are extruded with extruding machine.
Conductive core both ends are annular connection structure；Screen layer I, insulating barrier and screen layer II are in the linear portions of conductive core
Divide and the sealing of loop configuration junction is closed up, flowed out after preventing low-melting alloy phase transformation.
The both ends of cable are respectively connected to transformation device and superconducting power device.
Embodiment 3：
A kind of as shown in figure 1, cable of the present invention
A kind of cable includes conductive core, insulating barrier（5）, screen layer and protective layer（7）, screen is set inside and outside insulating barrier respectively
Cover layer；Conductive core includes conductive core（1）With along conductive core（1）It is radially arranged fin（2）And it is filled in fin（2）Between
Heat dissipating layer（3）.
Conductive core（1）The metal wire being twisted for single-wire, a diameter of 1mm of single-wire, more wires twist
A diameter of 100mm after system；It is 60 times that lay ratio is twisted during single-wire independence process.
Conductive core（1）And fin（2）To be welded to connect.
Fin（2）Radiated by heat transfer for conductor layer, support is provided for low-melting alloy heat dissipating layer.
Conductive core（1）With fin（2）Material is identical, is aluminium, and heat dispersion is good.
Heat dissipating layer（3）For Ga80In20 layers.Insulating barrier（5）For cross-linked polyethylene layer, insulating barrier（5）The screen layer of interior setting
Ⅰ（4）For polyvinyl chloride layer, electromagnetic field is shielded.Insulating barrier（5）The screen layer II of outer setting（6）For Ga80In20 layers.
Another object of the present invention is to provide a kind of method for preparing cable, comprise the following steps：
1）Bracing wire：With being heat-treated after wire drawing machine draw metal line；
2）Process：More wires are twisted rear hydraulic compression to be necessarily twisted pitch diameter；
3）Weld fin（2）；
4）Between formed in mould radiating is placed on into fin, compress；
5）Coat screen layer I；
Screen layer I is extruded, cable both ends carry out sealing closing in；
6）Coated insulation layer（5）；Extrude solid type insulating barrier or be closely wound insulating barrier；
7）Formed in mould screen layer II is placed on insulating barrier（5）Outside；
8）Coat protective layer（7）, plastic protective layer, stranding are extruded with extruding machine.
Conductive core both ends are annular connection structure；Screen layer I, insulating barrier and screen layer II are in the linear portions of conductive core
Divide and the sealing of loop configuration junction is closed up, flowed out after preventing low-melting alloy phase transformation.
The both ends of cable are respectively connected to transformation device and superconducting power device.
Finally it should be noted that：The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, to the greatest extent
The present invention is described in detail with reference to above-described embodiment for pipe, those of ordinary skills in the art should understand that：Still
The embodiment of the present invention can be modified or equivalent substitution, and without departing from any of spirit and scope of the invention
Modification or equivalent substitution, it all should cover among scope of the presently claimed invention.
Claims (6)
1. a kind of cable, the cable includes conductive core, insulating barrier (5), screen layer and protective layer (7), it is characterised in that：Institute
State and screen layer is set respectively inside and outside insulating barrier；The conductive core include conductive core (1) and along the conductive core (1) radially
The fin (2) of setting and the heat dissipating layer (3) being filled between the fin (2)；The conductive core (1) is with fin (2) by identical
Material is made；
The conductive core (1) is twisted metal wire；The cable preparation method comprises the following steps：
1) bracing wire：The metal drawn to wire drawing machine is heat-treated；
2) hydraulic pressure compacting is carried out to conductive core (1)；
3) fin (2) is welded；
4) between the radiating of shaping being placed on into fin, compress；
5) screen layer is coated；
6) coated insulation layer (5)；
7) formed in mould screen layer is located at insulating barrier (5) outside；
8) protective layer (7), stranding are coated.
A kind of 2. cable as claimed in claim 1, it is characterised in that：The twisted metal wire, single-wire a diameter of 1~
5mm, a diameter of 5~100mm after more wires process.
A kind of 3. cable as claimed in claim 1, it is characterised in that：The heat dissipating layer (3) is low-melting alloy layer.
A kind of 4. cable as claimed in claim 1, it is characterised in that：The insulating barrier (5) is cross-linked polyethylene layer, described exhausted
Screen layer built in edge layer (5) is polyvinyl chloride layer.
A kind of 5. cable as claimed in claim 1, it is characterised in that：The external screen layer of the insulating barrier (5) is low melting point
Alloy-layer.
A kind of 6. cable as described in claim 3 or 5, it is characterised in that：The low-melting alloy is gallium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410129060.3A CN104332236B (en) | 2014-04-02 | 2014-04-02 | A kind of cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410129060.3A CN104332236B (en) | 2014-04-02 | 2014-04-02 | A kind of cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104332236A CN104332236A (en) | 2015-02-04 |
| CN104332236B true CN104332236B (en) | 2018-01-19 |
Family
ID=52406948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410129060.3A Active CN104332236B (en) | 2014-04-02 | 2014-04-02 | A kind of cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104332236B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107039116B (en) * | 2016-05-05 | 2019-04-23 | 扬州市德友线缆有限公司 | A kind of high pressure superconduction wire and cable |
| CN109859887A (en) * | 2019-01-11 | 2019-06-07 | 由中国 | A kind of outer cladding type magnetostriction wire sheath |
| CN113724936B (en) * | 2021-08-11 | 2023-09-26 | 广东速联科技术股份有限公司 | Low-temperature superconducting coaxial cable and processing technology |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201984886U (en) * | 2011-03-31 | 2011-09-21 | 沈阳电业局电缆厂 | Compound type single core power cable |
| CN202093917U (en) * | 2011-05-12 | 2011-12-28 | 中国电力科学研究院 | Pipe beam type current lead wire |
| CN202549478U (en) * | 2012-04-19 | 2012-11-21 | 远东电缆有限公司 | High-voltage high-current pulse cable |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004281181A (en) * | 2003-03-14 | 2004-10-07 | Hitachi Kokusai Electric Inc | Heat radiation structure |
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2014
- 2014-04-02 CN CN201410129060.3A patent/CN104332236B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201984886U (en) * | 2011-03-31 | 2011-09-21 | 沈阳电业局电缆厂 | Compound type single core power cable |
| CN202093917U (en) * | 2011-05-12 | 2011-12-28 | 中国电力科学研究院 | Pipe beam type current lead wire |
| CN202549478U (en) * | 2012-04-19 | 2012-11-21 | 远东电缆有限公司 | High-voltage high-current pulse cable |
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| CN104332236A (en) | 2015-02-04 |
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