CN204423990U - A kind of aluminium alloy core lock armo novel photoelectric composite medium-pressure power cable - Google Patents
A kind of aluminium alloy core lock armo novel photoelectric composite medium-pressure power cable Download PDFInfo
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- CN204423990U CN204423990U CN201520104200.1U CN201520104200U CN204423990U CN 204423990 U CN204423990 U CN 204423990U CN 201520104200 U CN201520104200 U CN 201520104200U CN 204423990 U CN204423990 U CN 204423990U
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- Prior art keywords
- layer
- loose tube
- aluminium alloy
- conductor
- power cable
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 40
- 239000002131 composite material Substances 0.000 title claims abstract description 12
- 239000004020 conductor Substances 0.000 claims abstract description 31
- 239000013307 optical fiber Substances 0.000 claims abstract description 22
- 229910052755 nonmetal Inorganic materials 0.000 claims abstract description 13
- 239000000945 filler Substances 0.000 claims abstract description 9
- 229910052751 metal Inorganic materials 0.000 claims abstract description 9
- 239000002184 metal Substances 0.000 claims abstract description 9
- -1 polypropylene Polymers 0.000 claims abstract description 9
- 238000009413 insulation Methods 0.000 claims abstract description 7
- 230000009974 thixotropic effect Effects 0.000 claims abstract description 5
- 239000004743 Polypropylene Substances 0.000 claims abstract description 4
- 229920001155 polypropylene Polymers 0.000 claims abstract description 4
- 229920001707 polybutylene terephthalate Polymers 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 229920001169 thermoplastic Polymers 0.000 claims description 5
- 239000004416 thermosoftening plastic Substances 0.000 claims description 5
- 229920006231 aramid fiber Polymers 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 8
- 239000004411 aluminium Substances 0.000 abstract description 8
- 229910052782 aluminium Inorganic materials 0.000 abstract description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 8
- 229910052802 copper Inorganic materials 0.000 abstract description 7
- 239000010949 copper Substances 0.000 abstract description 7
- 230000007547 defect Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000000835 fiber Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910001570 bauxite Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 229920003020 cross-linked polyethylene Polymers 0.000 description 1
- 239000004703 cross-linked polyethylene Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Insulated Conductors (AREA)
- Communication Cables (AREA)
Abstract
The utility model discloses a kind of aluminium alloy core lock armo novel photoelectric composite medium-pressure power cable, insulated cable comprises conductor wire core and conductor shield, crosslinked polyetylene insulated layer, insulation screen and metal screen layer, the metal screen layer of adjacent insulated cable contacts with each other, and conductor wire core comprises many groups by the stranded aluminium alloy conductor of many aluminum-alloy wires; Light unit comprises central reinforce member and Duo Gen Loose tube, and be equipped with optical fiber in every root Loose tube, Loose tube is also arranged with sheath outward, is provided with non-metal reinforced layer between sheath and Loose tube, and the gap in Loose tube is also filled with thixotropic filler; Surrounding layer comprises tape for cables, inner sheath, steel-tape armouring layer and oversheath from inside to outside, is filled with polypropylene filler in the space in tape for cables.The utility model have lightweight, lay the advantages such as facility, cost are low, price steadiness, overcome that copper cost is high, price big rise and big fall and aluminium mechanical performance is low, connect the defects such as unstable.
Description
Technical field
The utility model relates to power cable technical field, especially a kind of aluminium alloy core lock armo novel photoelectric composite medium-pressure power cable.
Background technology
Developed country abroad, aluminium alloy conductor studies application more than 90 years in electric wire industry, and obtaining Important Techmical Progress and extensive use, is but after 60 ~ seventies of last century.Play aluminium alloy conductor (with AA8030, AA8176 for representative) power cable the sixties in last century and start application in North America, be mainly used in building low-voltage distribution system, so far the manufacture application practice of existing nearly 50 years, the long-time running of numerous engineering project proves that this product safety is reliable.But be grow up recent years at China's aluminium alloy cable.
China's electrician trade enters the mid-90, the popularization of copper core cable has greatly the gesture of cornering the market, and the supply of China's copper concentrate is less than 30%, ratio more than 70% needs dependence on import, in addition the current resources situation of the rich aluminium of global poor copper, be more than 3 times of aluminium valency before copper marked price, caused architectural electricity cost to remain high.But it is 3,700,000,000 tons that current China has verified bauxite reserves, under such aluminium Advantage of Mineral Resources, along with the development of science and technology, the aluminium of high-quality, high-tech content is developed, and " with aluminium joint copper " will become natural selection.
Summary of the invention
The technical problems to be solved in the utility model is to provide the aluminium alloy core lock armo novel photoelectric composite medium-pressure power cable that a kind of structure is simple, cost is low.
In order to solve the problems of the technologies described above, the utility model comprises surrounding layer and the light unit be wrapped in described surrounding layer and Duo Gen insulated cable, wherein:
Described surrounding layer comprises tape for cables, inner sheath, aluminum alloy strip lock armo layer and oversheath from inside to outside, is filled with polypropylene filler in the space in described tape for cables;
Described smooth unit is stranded optical fiber, comprise central reinforce member and layer strand at many Loose tube of described central reinforce member surrounding, at least one optical fiber is equipped with in every root Loose tube, described Loose tube is also arranged with sheath outward, non-metal reinforced layer is provided with between described sheath and described Loose tube, described optical fiber is the silica optical fiber having coat, described Loose tube is made up of thermoplastic, and the gap in described Loose tube is also filled with thixotropic filler, the Young's modulus of described non-metal reinforced layer is not less than 90Gpa, described sheath is made up of ethlyene dichloride,
Described insulated cable comprises conductor wire core and is wrapped in the conductor shield on described conductor wire core, crosslinked polyetylene insulated layer, insulation screen and metal screen layer from inside to outside successively, the metal screen layer of adjacent insulated cable contacts with each other, described conductor wire core comprises many group aluminum alloys conductor, and every group aluminum alloy conductor forms by many aluminum-alloy wires are stranded.
Described Loose tube is made up of polybutylene terephthalate (PBT).
Described non-metal reinforced layer is made up of aramid fiber yarn.
Described aluminium alloy conductor adopts AA8030 type aluminum alloy materials to make.
The beneficial effects of the utility model are: the utility model aluminium alloy core chain armouring novel optical fiber composite medium-pressure power cable cable, adopt aluminium alloy as conductor wire core, have lightweight, lay the advantages such as facility, cost are low, price steadiness, overcome that copper cost is high, price big rise and big fall and aluminium mechanical performance is low, connect the defects such as unstable; Secondly, adopt aluminum alloy strip lock armo, make cable have certain sealing, fire-retardant, block-water performance, also improve that the machinery of cable is withstand voltage resistance toly draws performance simultaneously; Finally adopting optical fiber compound thoroughly to solve electric network information problem, and can meet the access demand of all information services of the whole society completely, is effective support that country realizes " netting fusion " strategic plan more; Also thoroughly avoid various circuit repeated construction, solve safe distance, seize the problem such as passage, scissors crossing, improve resource utilization, reduce production cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model aluminium alloy core lock armo novel photoelectric composite medium-pressure power cable.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
See Fig. 1, aluminium alloy core lock armo novel photoelectric composite medium-pressure power cable of the present utility model comprises surrounding layer 1 and the light unit 2 be wrapped in described surrounding layer 1 and Duo Gen insulated cable 3, wherein:
Described surrounding layer 1 comprises tape for cables 11, inner sheath 12, aluminum alloy strip lock armo layer 13 and oversheath 14 from inside to outside, is filled with polypropylene filler 15 in the space in described tape for cables 11;
Described smooth unit 2 is stranded optical fiber, comprise central reinforce member and layer strand at the many Loose tube 22 of described central reinforce member surrounding, at least one optical fiber 21 is equipped with in every root Loose tube 22, described Loose tube 22 is outer is also arranged with sheath 24, non-metal reinforced layer 23 is provided with between described sheath 24 and described Loose tube 22, described optical fiber 21 is for there being the silica optical fiber of coat, described Loose tube 22 is made up of thermoplastic, and the gap in described Loose tube 22 is also filled with thixotropic filler, the Young's modulus of described non-metal reinforced layer 23 is not less than 90Gpa, described sheath 24 is made up of ethlyene dichloride,
Described insulated cable 3 comprises conductor wire core 31 and is wrapped in conductor shield 32, crosslinked polyetylene insulated layer 33, insulation screen 34 and the metal screen layer 35 on described conductor wire core 31 from inside to outside successively, the metal screen layer 35 of adjacent insulated cable 3 contacts with each other, described conductor wire core 31 comprises many group aluminum alloys conductor, and every group aluminum alloy conductor forms by many aluminum-alloy wires are stranded.
Described Loose tube 22 is made up of polybutylene terephthalate (PBT).
Described non-metal reinforced layer 23 is made up of aramid fiber yarn.
Described aluminium alloy conductor adopts AA8030 type aluminum alloy materials to make, and has the advantages such as lightweight, cost is low, price steadiness, good seal performance, overcomes that copper cost is high, price big rise and big fall and aluminium mechanical performance is low, connect the defects such as unstable.
Wherein, the central reinforce member in light unit 2 is not shown in the drawings, and the part of the unit of light shown in Fig. 12 is closely the schematic diagram of the involved part of a Loose tube 22; In Fig. 1,4 for tearing rope.
The utility model manufacturing process comprises conductor operation, insulation operation, light cell processes, cabling procedure, lock armo operation, outer nurse's sequence.Be specially:
1, conductor operation: arranged by regular stranded mode by the aluminum-alloy wire of many same diameter, adopts circular compressing mold to be pressed into and presses circular aluminum alloy conductor.
2, insulate operation: the processing of insulation adopts Nokia-Maillefer three-layer co-extruded cross-linking extrusion equipment, screen adopts not strippable semi-conductive shielding material, insulation is cross-linked polyethylene insulating material, ensure that each layer combines closely, thickness is with reference to the regulation of GB/T12706-2008 standard.Guarantee the smooth surface of each layer, without obvious burr, wedge angle, particle and incipient scorch vestige.
3, light cell processes:
3.1 optical fiber
Optical fiber should be made up of the similar silica optical fiber by coat.The produced optical fiber of same design, same material and same process should be used with batch product;
In light unit, fiber number is preferably 6,12,18 or 24 cores, also can be other core numbers that user requires;
3.2 Loose tube
In light unit coated fiber should be placed on thermoplastic form Loose tube 22 in, optical fiber in Loose tube 22 more than length should be uniform and stable.Loose tube 22 material can use polybutylene terephthalate (PBT) (being called for short PBT) plastics or other suitable plastics;
Gap in Loose tube 22 should fill a kind of compound of thixotropic continuously, and filler should not damage optical fiber transmission property and useful life;
Enough non-metal reinforced layers 23 should be comprised, in order to increase the tensile property of optical cable in optical cable.In this cable, regulation non-metal reinforced layer is aramid fiber yarn, and its Young's modulus should be not less than 90Gpa;
3.3 twisted layer
Twisted layer should be twisted in central reinforce member surrounding with suitable pitch layer by the pipe loose tube fiber that external diameter is identical.Layer strand can be spiral strand, also can be SZ strand;
3.4 smooth unit oversheaths
The oversheath of light unit adopts polyethylene or PVC sheath material, and in the guarantee course of processing, optical fiber property is stable;
4, cabling procedure: by three shielding cores with light unit is stranded forms, light unit should be positioned at three and shield core avris (can not be positioned at center), and the metal level of each insulated wire cores should contact with each other, and adds filling and guarantee cable core roundness.Gasket for packing is used for filling up room in nonmetal layer-twisted type light cellular construction, and its external diameter should make cable core rounding; Gasket for packing should be round plastic rope, and its surface shall be rounded up smooth.Also gasket for packing can be made with water blocking yarn.
5, armouring operation: employing a layer thickness is that the aluminum alloy strip interlocking processing technology of 0.6mm is coated on into cable core outer surface, and armouring direction is dextrad.
6, outer nurse's sequence: oversheath 14 is thermoplastic polyvinyl chloride's material, sheath material should meet the regulation requirement of ST2 type in GB/T12706.3; The eccentricity of oversheath controls within 25%.
In sum, content of the present utility model is not limited in the above-described embodiment, and those skilled in the art can propose other embodiment within technological guidance's thought of the present utility model, but these embodiments are all included within scope of the present utility model.
Claims (4)
1. an aluminium alloy core lock armo novel photoelectric composite medium-pressure power cable, it is characterized in that: comprise surrounding layer (1) and the light unit (2) that is wrapped in described surrounding layer (1) and many insulated cables (3), wherein:
Described surrounding layer (1) comprises tape for cables (11), inner sheath (12), aluminum alloy strip lock armo layer (13) and oversheath (14) from inside to outside, is filled with polypropylene filler (15) in the space in described tape for cables (11);
Described smooth unit (2) is stranded optical fiber, comprise central reinforce member and layer strand at the many Loose tube (22) of described central reinforce member surrounding, at least one optical fiber (21) is equipped with in every root Loose tube (22), described Loose tube (22) is also arranged with sheath (24) outward, non-metal reinforced layer (23) is provided with between described sheath (24) and described Loose tube (22), described optical fiber (21) is for there being the silica optical fiber of coat, described Loose tube (22) is made up of thermoplastic, and the gap in described Loose tube (22) is also filled with thixotropic filler, the Young's modulus of described non-metal reinforced layer (23) is not less than 90Gpa, described sheath (24) is made up of ethlyene dichloride,
Described insulated cable (3) comprises conductor wire core (31) and is wrapped in the conductor shield (32) on described conductor wire core (31), crosslinked polyetylene insulated layer (33), insulation screen (34) and metal screen layer (35) from inside to outside successively, the metal screen layer (35) of adjacent insulated cable (3) contacts with each other, described conductor wire core (31) comprises many group aluminum alloys conductor, and every group aluminum alloy conductor forms by many aluminum-alloy wires are stranded.
2., according to aluminium alloy core lock armo novel photoelectric composite medium-pressure power cable according to claim 1, it is characterized in that: described Loose tube (22) is made up of polybutylene terephthalate (PBT).
3., according to aluminium alloy core lock armo novel photoelectric composite medium-pressure power cable according to claim 1, it is characterized in that: described non-metal reinforced layer (23) is made up of aramid fiber yarn.
4. according to aluminium alloy core lock armo novel photoelectric composite medium-pressure power cable according to claim 1, it is characterized in that: described aluminium alloy conductor adopts AA8030 type aluminum alloy materials to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520104200.1U CN204423990U (en) | 2015-02-12 | 2015-02-12 | A kind of aluminium alloy core lock armo novel photoelectric composite medium-pressure power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520104200.1U CN204423990U (en) | 2015-02-12 | 2015-02-12 | A kind of aluminium alloy core lock armo novel photoelectric composite medium-pressure power cable |
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| Publication Number | Publication Date |
|---|---|
| CN204423990U true CN204423990U (en) | 2015-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520104200.1U Expired - Fee Related CN204423990U (en) | 2015-02-12 | 2015-02-12 | A kind of aluminium alloy core lock armo novel photoelectric composite medium-pressure power cable |
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| Country | Link |
|---|---|
| CN (1) | CN204423990U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104952539A (en) * | 2015-06-27 | 2015-09-30 | 黄浩 | Environment-friendly cable with high compressive strength |
| CN106098226A (en) * | 2016-08-18 | 2016-11-09 | 重庆市南方阻燃电线电缆有限公司 | A kind of isolated form fireproof cable |
| CN114360806A (en) * | 2021-12-09 | 2022-04-15 | 通鼎互联信息股份有限公司 | Durable and water-blocking photoelectric composite cable |
-
2015
- 2015-02-12 CN CN201520104200.1U patent/CN204423990U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104952539A (en) * | 2015-06-27 | 2015-09-30 | 黄浩 | Environment-friendly cable with high compressive strength |
| CN104952539B (en) * | 2015-06-27 | 2016-11-23 | 国网山东省电力公司日照供电公司 | The high cable of a kind of environmental protection compression strength |
| CN106098226A (en) * | 2016-08-18 | 2016-11-09 | 重庆市南方阻燃电线电缆有限公司 | A kind of isolated form fireproof cable |
| CN114360806A (en) * | 2021-12-09 | 2022-04-15 | 通鼎互联信息股份有限公司 | Durable and water-blocking photoelectric composite cable |
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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: 20150624 Termination date: 20200212 |
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| CF01 | Termination of patent right due to non-payment of annual fee |