CN102708954A - Light and cold-proof screening control cable - Google Patents
Light and cold-proof screening control cable Download PDFInfo
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- CN102708954A CN102708954A CN201210157618XA CN201210157618A CN102708954A CN 102708954 A CN102708954 A CN 102708954A CN 201210157618X A CN201210157618X A CN 201210157618XA CN 201210157618 A CN201210157618 A CN 201210157618A CN 102708954 A CN102708954 A CN 102708954A
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- material isolation
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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
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The invention belongs to the field of a cable, and particularly relates to a light and cold-proof screening control cable. An insulating cable core is formed by a stranded copper conductor of the screening control cable and a polyethylene insulating layer outside the stranded copper conductor; the insulating cable core is divided into an inner layer of the insulating cable core, a middle layer of the insulating cable core, and an outer layer of the insulating cable core; the middle layer of the insulating cable core is separated from the outer layer of the insulating cable core through a polyamide yarn loose lapping and tight bundling layer; a polytetrafluoroethylene thin film or a polytetrafluoroethylene lapping cushion layer is arranged outside the outer layer of the insulating cable core; a composite aluminum-plastic tape is arranged outside the polytetrafluoroethylene thin film or the polytetrafluoroethylene lapping cushion layer; a non-absorbent material isolation belt is arranged outside the composite aluminum-plastic tape; a high-permeability alloy belt is arranged outside the non-absorbent material isolation belt; the non-absorbent material isolation belt is arranged outside the high-permeability alloy belt; and a polyurethane jacket is arranged outside the non-absorbent material isolation belt. With the adoption of the light and cold-proof screening control cable provided by the invention, the problems that the conventional cable can not meet the requirement of cold resistance in special industries can be solved; and the light and cold-proof screening control cable is applicable to a condition with a temperature in a range from minus 70 DEG C to minus 100 DEG C in a metallurgy industry, an electric industry, a petrochemical industry and the like.
Description
Technical field
The invention belongs to field of cables, be specially a kind of light-duty, winter protection shielding control cable.
Background technology
The shielding control cable is applicable to the connecting line of ac rated voltage 450/750V and following electrical instrumentation and the transmission line of automatic control system; Have oil resistant, waterproof, wear-resisting, acid and alkali-resistance and various corrosive gas, ageing-resistant, excellent properties such as do not burn, be fit to industries such as metallurgy, electric power, petrochemical industry.
Existing shielding control cable is made up of conductor, insulating barrier, bonding line, copper strips screen and restrictive coating, and its weak point is, when running into sudden short circuit; Short circuit current increases suddenly; When the electric current that increases is flowed through earth connection, can make the screen scorification, cause the forfeiture of screen effect; Interference signal influences equipment normally to be moved, when serious in addition cable burn.Under low temperature environment, use, the cable antijamming capability is not strong, is prone to cause transmission signals disorderly, even causes casualties or property loss.
Summary of the invention
The object of the present invention is to provide a kind of light-duty, winter protection shielding control cable, solve the problems such as cold-resistant needs that existing cable can not satisfy special trade.
Technical scheme of the present invention is:
A kind of light-duty, winter protection shielding control cable; This shielding control cable is provided with twisted copper conductors, polyethylene layer, Polyamide Yarns and dredges around tightening layer, polytetrafluoroethylene film or the wrapped bed course of polypropylene film, aluminium-plastic tape, non-absorbent material isolation strip, Alperm band, non-absorbent material isolation strip, polyurethane jacket, wherein:
The polyethylene layer that twisted copper conductors is outside with it constitutes insulated wire cores; That insulated wire cores is divided into is interior, in, outer three layers; Separate around tightening layer through Polyamide Yarns is thin between primary insulation core, middle level insulated wire cores and the outer layer insulation core; In the outside of outer insulated wire cores is polytetrafluoroethylene film or the wrapped bed course of polypropylene film; In the outside of polytetrafluoroethylene film or the wrapped bed course of polypropylene film is aluminium-plastic tape, is the non-absorbent material isolation strip in the outside of aluminium-plastic tape, is the Alperm band in the outside of non-absorbent material isolation strip; In the outside of Alperm band is the non-absorbent material isolation strip, is polyurethane jacket in the outside of non-absorbent material isolation strip.
Described light-duty, winter protection shielding control cable, the primary insulation core is that five insulated cores are distributed in cable center.
Described light-duty, winter protection shielding control cable, the middle level insulated wire cores is 11 insulated cores of even annular array.
Described light-duty, winter protection shielding control cable, the outer layer insulation core is ten six roots of sensation insulated wire cores of even annular array.
Described light-duty, winter protection shielding control cable is provided with the non-hygroscopic packed layer in the inside center of primary insulation core.
The invention has the beneficial effects as follows:
1, the present invention adopts polyethylene layer, has good resistance to low temperature (minimum serviceability temperature can reach-70～-100 ℃), and chemical stability is good; The erosion of the most of soda acids of ability (not anti-acid) with oxidizing property; Be insoluble to common solvent under the normal temperature, water absorption is little, and electrical insulation capability is good.
2, the present invention adopts Polyamide Yarns to dredge around tightening layer, has very high mechanical strength, and softening point is high, and heat-resisting, coefficient of friction is low; Wear-resistant, self lubricity, shock absorption and noise reduction property, oil resistant; Weak acid resistant, alkaline-resisting and common solvent, electrical insulating property is good, and can avoid friction damage between each layer insulated wire cores.
3, the present invention adopts non-hygroscopic packed layer (as: nonwoven fabrics, PP gasket for packing, glass fiber, asbestos, rubber strip, plastic strip etc.), and water absorption rate is low.
4, the present invention adopts non-absorbent material isolation strip band to isolate and tie up; Its compact conformation external diameter is less; Non-absorbent material can be polyester film, polypropylene PP, polythene PE, polyvinylchloride or PET PET etc., and it is inner to prevent effectively that other materials from getting into cable.
5, the present invention adopts polyurethane jacket, has splendid oil resistant and chemical solvent corrosive nature, anti tear, and low temperature flexibility is good, and elasticity is strong, and stress buffer property is good, and is wear-resisting withstand voltage.
6, the present invention adopts the Alperm band, like Mumetal, has very high initial permeability and maximum permeability, has the shielding properties of anti-magnetic field radiation, greatly reduces magnetic field intensity, has eliminated electromagnetic field.
7, the present invention adopts aluminium-plastic tape; Be mainly used in protective coverings of cable; Play the protection cable core and avoid the moisture-proof layer effect that moisture corrodes, simultaneously cable core is had the armouring effect, the active force that opposing is extraneous; For cable lays in various application scenarios etc. mechanical protection is provided, guarantees stability, the reliability used.Simultaneously, anti-electromagnetic radiation does not produce interference to the internal layer electric wire, can play good shielding action.
8, the present invention adopts the wrapped bed course of F4 polytetrafluoroethylene (PTFE) film, and is high temperature resistant, uses working temperature to reach 250 ℃; Low temperature resistant, have favorable mechanical toughness, even temperature drops to-196 ℃, also can keep 5% percentage elongation; Corrosion-resistant, to most of chemicals and solvent, show inertia, ability strong alkali-acid resistance, water and various organic solvent; Weather has aging life-span best in the plastics.
9, the present invention adopts the wrapped bed course of polypropylene (PP) film, and its fenestra is even, porosity is high; Stable chemical performance, acid and alkali-resistance; Pliable and tough, cracky not; Good thermal stability can tolerate high-temperature work environment.
Description of drawings
Fig. 1 is a structure cutaway view of the present invention.
Among the figure, 1. twisted copper conductors; 2. polyethylene layer; 3. Polyamide Yarns is dredged around tightening layer; 4. non-hygroscopic packed layer; 5.F4 film or the wrapped bed course of PP film; 6. aluminium-plastic tape; 7. non-absorbent material isolation strip; 8. Alperm band; 9. non-absorbent material isolation strip; 10. polyurethane jacket.
Embodiment
As shown in Figure 1; The present invention is light-duty, winter protection shielding control cable; Dredge around tightening the wrapped bed course of layer 3, non-hygroscopic packed layer 4, F4 (polytetrafluoroethylene) film or PP (polypropylene) film 5, aluminium-plastic tape 6, non-absorbent material isolation strip 7, Alperm band 8, non-absorbent material isolation strip 9, polyurethane jacket 10 by twisted copper conductors 1, polyethylene layer 2, Polyamide Yarns and to form, wherein:
The polyethylene layer 2 that twisted copper conductors 1 is outside with it constitutes insulated wire cores; That insulated wire cores is divided into is interior, in, outer three layers; Separate around tightening layer 3 through Polyamide Yarns is thin between primary insulation core, middle level insulated wire cores and the outer layer insulation core; Inside center at the primary insulation core is provided with non-hygroscopic packed layer 4; In the outside of outer insulated wire cores is the wrapped bed course 5 of F4 film or PP film; Outside at F4 film or the wrapped bed course 5 of PP film is an aluminium-plastic tape 6, is non-absorbent material isolation strip 7 in the outside of aluminium-plastic tape 6, is Alperm band 8 in the outside of non-absorbent material isolation strip 7; In the outside of Alperm band 8 is non-absorbent material isolation strip 9, is polyurethane jacket 10 in the outside of non-absorbent material isolation strip 9.
Said primary insulation core is that five insulated cores are distributed in cable center, and the middle level insulated wire cores is 11 insulated cores of even annular array, and the outer layer insulation core is ten six roots of sensation insulated wire cores of even annular array.
Claims (5)
1. light-duty, winter protection shielding control cable; It is characterized in that: this shielding control cable is provided with twisted copper conductors, polyethylene layer, Polyamide Yarns and dredges around tightening layer, polytetrafluoroethylene film or the wrapped bed course of polypropylene film, aluminium-plastic tape, non-absorbent material isolation strip, Alperm band, non-absorbent material isolation strip, polyurethane jacket, wherein:
The polyethylene layer that twisted copper conductors is outside with it constitutes insulated wire cores; That insulated wire cores is divided into is interior, in, outer three layers; Separate around tightening layer through Polyamide Yarns is thin between primary insulation core, middle level insulated wire cores and the outer layer insulation core; In the outside of outer insulated wire cores is polytetrafluoroethylene film or the wrapped bed course of polypropylene film; In the outside of polytetrafluoroethylene film or the wrapped bed course of polypropylene film is aluminium-plastic tape, is the non-absorbent material isolation strip in the outside of aluminium-plastic tape, is the Alperm band in the outside of non-absorbent material isolation strip; In the outside of Alperm band is the non-absorbent material isolation strip, is polyurethane jacket in the outside of non-absorbent material isolation strip.
2. according to described light-duty, the winter protection shielding control cable of claim 1, it is characterized in that: the primary insulation core is that five insulated cores are distributed in cable center.
3. according to described light-duty, the winter protection shielding control cable of claim 1, it is characterized in that: the middle level insulated wire cores is 11 insulated cores of even annular array.
4. according to described light-duty, the winter protection shielding control cable of claim 1, it is characterized in that: the outer layer insulation core is ten six roots of sensation insulated wire cores of even annular array.
5. according to described light-duty, the winter protection shielding control cable of claim 1, it is characterized in that: the inside center at the primary insulation core is provided with the non-hygroscopic packed layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210157618XA CN102708954B (en) | 2012-05-19 | 2012-05-19 | Light and cold-proof screening control cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210157618XA CN102708954B (en) | 2012-05-19 | 2012-05-19 | Light and cold-proof screening control cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102708954A true CN102708954A (en) | 2012-10-03 |
| CN102708954B CN102708954B (en) | 2013-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210157618XA Expired - Fee Related CN102708954B (en) | 2012-05-19 | 2012-05-19 | Light and cold-proof screening control cable |
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| CN (1) | CN102708954B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103578623A (en) * | 2013-11-18 | 2014-02-12 | 江苏珠影特种电缆有限公司 | High-flexibility cable |
| CN103617832A (en) * | 2013-11-27 | 2014-03-05 | 苏州东威科技有限公司 | High-temperature resistance shielding connection wire |
| CN104835575A (en) * | 2015-03-28 | 2015-08-12 | 安徽中天电缆有限公司 | Anticorrosion low temperature resistant industrial cable |
| CN105679426A (en) * | 2016-03-07 | 2016-06-15 | 江苏泰祥电线电缆有限公司 | Low-smoke halogen-free polyolefin insulated and shielded cable and preparation method thereof |
| CN108461183A (en) * | 2018-02-28 | 2018-08-28 | 深圳讯道实业股份有限公司 | A kind of super soft robot arm cable and its processing method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202694863U (en) * | 2012-05-19 | 2013-01-23 | 辽宁金环电缆有限公司 | Light cold-proof shield control cable |
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2012
- 2012-05-19 CN CN201210157618XA patent/CN102708954B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202694863U (en) * | 2012-05-19 | 2013-01-23 | 辽宁金环电缆有限公司 | Light cold-proof shield control cable |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103578623A (en) * | 2013-11-18 | 2014-02-12 | 江苏珠影特种电缆有限公司 | High-flexibility cable |
| CN103617832A (en) * | 2013-11-27 | 2014-03-05 | 苏州东威科技有限公司 | High-temperature resistance shielding connection wire |
| CN104835575A (en) * | 2015-03-28 | 2015-08-12 | 安徽中天电缆有限公司 | Anticorrosion low temperature resistant industrial cable |
| CN105679426A (en) * | 2016-03-07 | 2016-06-15 | 江苏泰祥电线电缆有限公司 | Low-smoke halogen-free polyolefin insulated and shielded cable and preparation method thereof |
| CN108461183A (en) * | 2018-02-28 | 2018-08-28 | 深圳讯道实业股份有限公司 | A kind of super soft robot arm cable and its processing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102708954B (en) | 2013-11-20 |
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Granted publication date: 20131120 Termination date: 20160519 |