CN101599319B - Light weather-proof signal shielding cable - Google Patents
Light weather-proof signal shielding cable Download PDFInfo
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- CN101599319B CN101599319B CN2009100890021A CN200910089002A CN101599319B CN 101599319 B CN101599319 B CN 101599319B CN 2009100890021 A CN2009100890021 A CN 2009100890021A CN 200910089002 A CN200910089002 A CN 200910089002A CN 101599319 B CN101599319 B CN 101599319B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
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Abstract
The invention belongs to the communication cable field and relates to a light weather-proof signal shielding cable. The cable is prepared by the following steps: 2-6 wires are twisted into a core, the core is coated by a sub belting layer, a sub shielding layer and a sub sheath layer in turn, 2-7 groups of coated cores are clustered into a cable core, and the cable core is coated by a total belting layer, a total shielding layer and a cable outer sheath layer. The cable is characterized in that the core adopts a sub shielding structure, the sub shielding layer of the core is a double-sided aluminum foil with copper fuse wire braided armor, the total shielding layer adopts a double-sided copper foil or an aluminum foil with high-conductivity combined with a high-permeability cobalt alloy ribbon to process combined shielding, grounding copper wires and cobalt alloy wires are arranged in the cable; the insulating layer of wires and the cable sheath layer separately adopt soft crosslinked polyethylene insulating material and modified polyurethane sheath material, thus improving comprehensively the weather-proof performance, softness and anti-electromagnetism interference ability of the cables. The invention can be used in the severe environment of wind power project and solves the problems of short service life and transmission signal distortion of the existing cables.
Description
Technical field
The invention belongs to field of telecommunications cables, particularly a kind of light weather-proof signal shielding cable.
Background technology
The wind power generation project belongs to high-new, the major project of country.Yet more abominable because of the general residing natural environment of wind power generation, circumstance of temperature difference is bigger, and electromagnetic interference is bigger simultaneously.At present, most of wind power generation signal cables, poor because of weather resistance, anti-interference shielding property deficiency and flexibility, often cause the low and transmission signals distortion of cable life.
Therefore, be badly in need of improving weather resistance, anti-electromagnetic interference performance and the cable flexibility of wind power generation signal cable at present,, reduce maintenance cost, enhance productivity to improve the stability of wind power generation project.
Summary of the invention
The objective of the invention is in order to solve the weather resistance of wind power generation signal cable, anti-electromagnetic interference performance and cable flexibility, improve the stability of wind power generation project, a kind of light weather-proof signal shielding cable is provided, comprise by 2～6 leads and be twisted into core, gap between the lead of core is filled filler 3 or is not filled, core is from inside to outside successively with dividing belting layer 4, sub-shield and branch restrictive coating 7 coat, 2～7 groups of core boundlings through coating constitute cable conductor together, the cable conductor periphery is used overall budget belt 8 from inside to outside successively, total screen and cable jacket layer 14 coat, gap between the core through coating is filled filler 3 or is not filled, it is characterized in that, described sub-shield is made up of two-sided foil shielding layer 5 and silk woven shield 6, two-sided foil shielding layer 5 is coated on the branch belting layer 4, woven shield 6 is woven in two-sided foil shielding layer 5 peripheries, described total screen is by ground connection copper cash 9, the total screen 10 of double-sided metal paper tinsel, isolate belt 11, the cobalt alloy band screen 13 of cobalt alloy line 12 and high permeability is formed, total screen 10 overlapping being coated on outside the overall budget belt 8 of double-sided metal paper tinsel, vertically place a ground connection copper cash 9 between the two, it is overlapping wrapped outside the total screen 10 of double-sided metal paper tinsel to isolate belt 11, cobalt alloy band screen 13 is coated on isolates outside the belt 11, vertically places a cobalt alloy line 12 between the two.
Described lead is made of conductor 1 surperficial coated wire insulating barrier 2, and conductor 1 forms by the thin copper wire of 7～32 0.10～0.25mm is stranded.The material of wire insulation 2 is a cross-linked polyethylene insulating material.
Metal wire in the described woven shield 6 is copper wire or copper-clad aluminium wire.
The material of the total screen 10 of described double-sided metal paper tinsel is two-sided aluminium foil or two-sided Copper Foil.
Described ground connection copper cash 9 is for 0.3～0.7 millimeter single copper cash of diameter or be 0.3～0.7 square millimeter multiply gummed copper cash, and cobalt alloy line 12 is for 0.2～0.6 millimeter single cobalt alloy line of diameter or be 0.12～0.30 square millimeter multiply gummed cobalt alloy line.
Described filler 3 is filled rope for polypropylene.
The material of described minute restrictive coating 7 and cable jacket layer 14 is modified polyurethane (TPU) protective cover material.
The material of described minute belting layer 4, overall budget belt 8 and isolation belt 11 is a polyester belt.
Beneficial effect of the present invention is, wire insulation adopts cross-linked polyethylene insulating material, divide restrictive coating and cable jacket layer to adopt modified polyurethane (TPU) protective cover material,, therefore improved the weather resistance and the flexibility of cable because of these two kinds of materials have environmental performance and softness preferably.Conductor forms by thin copper wire is stranded, has further improved the softness of cable.Total screen adopts the Copper Foil of high conductivity or the cobalt alloy band that aluminium foil adds high permeability to carry out composite shielding, and is provided with ground connection copper cash and cobalt alloy line, has improved the reliability of the anti-electromagnetic interference capability and the electromagnetic shielding of cable.Each is organized core and adopts branch shield type structure, and the core screen is that two-sided aluminium foil adds the copper wire woven shield, has eliminated the phase mutual interference between cable core, has further improved the anti-external interference performance of cable.Making light weather-proof signal shielding cable by the present invention can use in the adverse circumstances of wind power engineering project.Solved the problem of low and transmission signals distortion of existing cable life-span.
Description of drawings
Fig. 1 is the cross section structure schematic diagram of light weather-proof signal shielding cable embodiment.
Fig. 2 is the core cross section structure schematic diagram through coating of embodiment.
Among the figure, 1 is conductor, and 2 is wire insulation, 3 is filler, and 4 for dividing belting layer, and 5 is two-sided foil shielding layer, 6 is woven shield, and 7 for dividing restrictive coating, and 8 are the overall budget belt, 9 is the ground connection copper cash, 10 is the total screen of double-sided metal paper tinsel, and 11 for isolating belt, and 12 is the cobalt alloy line, 13 is cobalt alloy band screen, and 14 is the cable jacket layer.
Embodiment
Cross section structure schematic diagram and core cross section structure schematic diagram as what embodiment light weather-proof signal shielding cable shown in Figure 2 of Fig. 1 through coating.The conductor 1 outer wire insulation 2 that coats is formed lead, and wherein conductor 1 forms by the thin copper wire of 16 0.15mm is stranded.The material of wire insulation 2 adopts crosslinked polyethylene.Being twisted into one group of core by two or three leads, is to guarantee the core roundness, has polypropylene to fill rope in the conductor spacing and fills for filler 3.The branch belting layer 4 of wrapped polyester belt outside core, divide belting layer the 4 outer two-sided foil shielding layers 5 of overlapping coating, coat the woven shield 6 of copper wire outside two-sided foil shielding layer 5, woven shield 6 outer coatings are divided restrictive coating 7, and dividing the material of restrictive coating 7 is modified polyurethane (TPU) protective cover material.Be twisted into cable conductor by three groups of cores, the filler 3 in the core gap through coating is filled rope for polypropylene.At the overall budget belt 8 of the peripheral wrapped polyester belt of cable conductor, the double-sided metal paper tinsel screen 10 of overlapping wrapped aluminium matter outside overall budget belt 8, the ground connection copper cash 9 that a vertical between the two diameter of placing is 0.3mm; Overlapping wrapped one deck polyester is isolated belt 11 outside the double-sided metal paper tinsel screen 10 of aluminium matter, outside isolating belt 11, the cobalt alloy band screen 13 that overlapping wrapped thickness is 0.1mm is vertically placed the cobalt alloy line 12 that diameter is 0.15mm between cobalt alloy band screen 13 and the isolation belt 11.Outside cobalt alloy screen 13, extrude modified polyurethane cable jacket layer 14, perhaps after adding one deck polyester belt twining package tape, cobalt alloy screen 13 extrudes modified polyurethane cable jacket layer 14 again.
Among the present invention, conductor forms by thin copper wire is stranded, and wire insulation adopts cross-linked polyethylene insulating material, and restrictive coating adopts modified polyurethane (TPU) protective cover material, and cable has good weather resistance and flexibility.In the shielding construction, total screen adopts the two-sided Copper Foil of high conductivity or the cobalt alloy band that two-sided aluminium foil adds high permeability to carry out composite shielding, has improved the anti-electromagnetic interference capability of cable.A ground connection copper cash of vertically placing in two-sided Copper Foil or two-sided aluminium foil is vertically placed the cobalt alloy line in cobalt alloy band screen, strengthened the reliability of electromagnetic shielding; The shielding of each core is adopted and is divided the shield type structure, has eliminated the phase mutual interference between cable core, further improves the anti-external interference of cable simultaneously.
The present invention is used for the signal transmission of wind power engineering project.
Claims (9)
1. light weather-proof signal shielding cable, core is twisted into by 2～6 leads, gap between the lead of core is filled filler (3) or is not filled, core is from inside to outside successively with dividing belting layer (4), sub-shield and branch restrictive coating (7) coat, 2～7 groups of core boundlings through coating constitute cable conductor together, gap between the core through coating in the cable core is filled filler (3) or is not filled, the cable conductor periphery is used overall budget belt (8) from inside to outside successively, total screen and cable jacket layer (14) coat, it is characterized in that, described sub-shield is made up of two-sided foil shielding layer (5) and metal wire knitted screen (6), two-sided foil shielding layer (5) is coated on the branch belting layer (4), and metal wire knitted screen (6) is woven in two-sided foil shielding layer (5) periphery; Described total screen is made up of the cobalt alloy band screen (13) of ground connection copper cash (9), the total screen of double-sided metal paper tinsel (10), isolation belt (11), cobalt alloy line (12) and high permeability, the total screen of double-sided metal paper tinsel (10) is overlapping to be coated on outside the overall budget belt (8), vertically place a ground connection copper cash (9) between the two, it is overlapping wrapped outside the total screen of double-sided metal paper tinsel (10) to isolate belt (11), cobalt alloy band screen (13) is coated on isolates outside the belt (11), vertically places a cobalt alloy line (12) between the two.
2. a kind of light weather-proof signal shielding cable according to claim 1, its feature also is, described lead is made of the surperficial coated wire insulating barrier of conductor (1) (2), conductor (1) is 0.1～0.2 millimeter stranded the forming of thin copper wire by 7～32 diameters, and the material of wire insulation (2) is a cross-linked polyethylene insulating material.
3. a kind of light weather-proof signal shielding cable according to claim 1, its feature are that also the wire in the described metal wire knitted screen (6) is copper wire or copper-clad aluminium wire.
4. a kind of light weather-proof signal shielding cable according to claim 1, its feature are that also the material of the total screen of described double-sided metal paper tinsel (10) is two-sided aluminium foil or two-sided Copper Foil.
5. a kind of light weather-proof signal shielding cable according to claim 4, its feature also is, described ground connection copper cash (9) is for 0.3～0.7 millimeter single copper cash of diameter or be 0.3～0.7 square millimeter strands copper cash, and cobalt alloy line (12) is for 0.2～0.6 millimeter single cobalt alloy line of diameter or be 0.12～0.30 square millimeter strands cobalt alloy line.
6. a kind of light weather-proof signal shielding cable according to claim 1, its feature are that also described filler (3) is filled rope for polypropylene.
7. a kind of light weather-proof signal shielding cable according to claim 1, its feature also be, the material of described minute restrictive coating (7) and cable jacket layer (14) is the modified polyurethane protective cover material.
8. a kind of light weather-proof signal shielding cable according to claim 2, its feature are that also the material of described wire insulation (2) is a cross-linked polyethylene insulating material.
9. a kind of light weather-proof signal shielding cable according to claim 1, its feature are that also the material of described minute belting layer (4), overall budget belt (8) and isolation belt (11) is a polyester belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100890021A CN101599319B (en) | 2009-07-17 | 2009-07-17 | Light weather-proof signal shielding cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100890021A CN101599319B (en) | 2009-07-17 | 2009-07-17 | Light weather-proof signal shielding cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101599319A CN101599319A (en) | 2009-12-09 |
| CN101599319B true CN101599319B (en) | 2011-04-13 |
Family
ID=41420720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100890021A Expired - Fee Related CN101599319B (en) | 2009-07-17 | 2009-07-17 | Light weather-proof signal shielding cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101599319B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102231296A (en) * | 2011-04-20 | 2011-11-02 | 大连沈特电缆有限公司 | Copper-clad aluminum core nitrile polyvinyl chloride (PVC) insulated and sheath tensile movable cable |
| CN102623085A (en) * | 2012-04-27 | 2012-08-01 | 无锡市群星线缆有限公司 | Cable special for wind power generation |
| CN104637585A (en) * | 2013-11-14 | 2015-05-20 | 成都捷康特科技有限公司 | Cooled cable with double shielding layers |
| CN104112505A (en) * | 2014-07-09 | 2014-10-22 | 安徽华菱电缆集团有限公司 | Flexible corrosion-resisting drag chain cable |
-
2009
- 2009-07-17 CN CN2009100890021A patent/CN101599319B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN101599319A (en) | 2009-12-09 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhu Weiquan Inventor after: Su Rong Inventor after: Shen Zengxi Inventor after: Zhen Huaxia Inventor after: Su Niansi Inventor before: Zhu Weiquan Inventor before: Su Rong Inventor before: Shen Zengxi Inventor before: Zhen Huaxia |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: ZHU WEIQUAN SU RONG SHEN ZENGXI ZHEN HUAXIA TO: ZHU WEIQUAN SU RONG SHEN ZENGXI ZHEN HUAXIA SU NIANSI |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANGSU HENGTONG PHOTOELECTRIC CO., LTD. Effective date: 20121227 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20121227 Address after: 101500 Beijing City, Miyun science and Technology Industrial Development Zone, Road No. 43 Patentee after: BEIJING HENGTONG SIBO COMMUNICATION TECHNOLOGY Co.,Ltd. Patentee after: HENGTONG OPTIC-ELECTRIC Co.,Ltd. Address before: 101500 Beijing City, Miyun science and Technology Industrial Development Zone, Road No. 43 Patentee before: BEIJING HENGTONG SIBO COMMUNICATION TECHNOLOGY Co.,Ltd. |
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| ASS | Succession or assignment of patent right |
Owner name: JIANGSU HENGTONG PHOTOELECTRIC CO., LTD. JIANGSU H Free format text: FORMER OWNER: JIANGSU HENGTONG PHOTOELECTRIC CO., LTD. Effective date: 20130609 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130609 Address after: 101500. 43, science and technology road, Miyun Economic Development Zone, Beijing Patentee after: BEIJING HENGTONG SIBO COMMUNICATION TECHNOLOGY Co.,Ltd. Patentee after: HENGTONG OPTIC-ELECTRIC Co.,Ltd. Patentee after: JIANGSU HENGTONG WIRE&CABLE TECHNOLOGY Co.,Ltd. Address before: 101500 Beijing City, Miyun science and Technology Industrial Development Zone, Road No. 43 Patentee before: BEIJING HENGTONG SIBO COMMUNICATION TECHNOLOGY Co.,Ltd. Patentee before: HENGTONG OPTIC-ELECTRIC Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110413 |
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| CF01 | Termination of patent right due to non-payment of annual fee |