CN103632767B - A kind of coaxial cable for transmitting video monitoring signal and production method thereof - Google Patents
A kind of coaxial cable for transmitting video monitoring signal and production method thereof Download PDFInfo
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- CN103632767B CN103632767B CN201210301045.3A CN201210301045A CN103632767B CN 103632767 B CN103632767 B CN 103632767B CN 201210301045 A CN201210301045 A CN 201210301045A CN 103632767 B CN103632767 B CN 103632767B
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Abstract
The present invention relates to a kind of coaxial cable for transmitting video monitoring signal and production method thereof, its coaxial cable includes oversheath (1) and the cable core being arranged in described oversheath (1), metallic conductor (7) and conductive fiber (6) it is provided with in described cable core, being coated with insulating barrier (5) and screen layer outside described cable core successively, described oversheath (1) is coated on the outside of described screen layer；The production method of its coaxial cable comprises the following steps: S1, and conductive fiber and metallic conductor are combined into cable core；S2, extruded insulation layer outside cable core；S3, is coated with screen layer outside insulating barrier；S4, in shielding outer application conducing composite material coating；S5, extrudes oversheath in the outside of conducing composite material coating.The present invention is for transmitting the coaxial cable bend resistance of video monitoring signal, good stability, long service life.
Description
Technical field
The present invention relates to coaxial cable, more particularly, it relates to a kind of coaxial cable for transmitting video monitoring signal and production method thereof.
Background technology
The coaxial cable of transmission video signal is widely used in the occasions such as monitoring, when in the environment being used in dynamic video monitoring, such as, in the elevator repeatedly moved up and down and on the mobile unit swung, coaxial cable needs to move repeatedly, cable core internal in the process of movement easily bends deformation, causes signal transmission instability.Meanwhile, the gauze screen on screen layer outside cable core, as repeatedly stretched and produce mesh deformation, causes that shield effectiveness weakens, have impact on the quality of signal transmission.
Summary of the invention
The technical problem to be solved in the present invention is in that, is easily deformed the defect of generation for the coaxial cable of the existing transmission video signal internal cable core when repeatedly stretching, it is provided that a kind of coaxial cable for transmitting video monitoring signal and production method thereof.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of coaxial cable for transmitting video monitoring signal, including oversheath and the cable core being arranged in described oversheath, metallic conductor and conductive fiber it is provided with in described cable core, being coated with insulating barrier and screen layer outside described cable core successively, described oversheath is coated on the outside of described screen layer.
In above-mentioned coaxial cable, being provided with many conductive fibers in described cable core, many described conductive fibers are symmetrical centered by the axle center of described cable core.
In above-mentioned coaxial cable, described screen layer is externally provided with conducing composite material coating.
In above-mentioned coaxial cable, described conducing composite material mainly includes following component, is expressed as with parts by weight:
Clinkering conductive epoxy powder 96～97；
Conducting resinl 3～4.
In above-mentioned coaxial cable, described conducing composite material mainly includes following component, is expressed as with parts by weight:
Clinkering conductive epoxy powder 96.5；
Conducting resinl 3.5.
In above-mentioned coaxial cable, described screen layer includes metal forming and around the metal net wrapped in outside described metal forming.
Present invention also offers the production method of a kind of coaxial cable for transmitting video monitoring signal, comprise the following steps:
S1, is combined into cable core by conductive fiber and metallic conductor；
S2, extruded insulation layer outside cable core；
S3, is coated with screen layer outside insulating barrier；
S4, in shielding outer application conducing composite material coating；
S5, extrudes oversheath in the outside of conducing composite material coating.
In above-mentioned coaxial cable production method, described step S4 further includes steps of
S41, adds thermal shield and makes it arrive spraying temperature, and spraying temperature ensures that namely conducing composite material and screen layer contact outside melt；
S42, sprays conducing composite material outside screen layer.
In above-mentioned coaxial cable production method, described spraying temperature is not higher than 130 DEG C.
Implementing the coaxial cable for transmitting video monitoring signal of the present invention, have the advantages that in cable core and be provided with conductive fiber, conductive fiber has good toughness, good endurance, improves stability and the buckle resistance of whole cable core.The present invention is for transmitting the coaxial cable good stability of video monitoring signal, long service life.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the structural representation of the coaxial cable for transmitting video monitoring signal.
Detailed description of the invention
In order to the technical characteristic of the present invention, purpose and effect are more clearly understood from, now comparison accompanying drawing describes the specific embodiment of the present invention in detail.
As it is shown in figure 1, the present invention includes oversheath 1, cable core, insulating barrier 5 and screen layer for the coaxial cable transmitting video monitoring signal.Insulating barrier 5, screen layer and oversheath 1 are coated on the outside of cable core successively.Insulating barrier 5 in the present embodiment is by PE(polyethylene, polyethylene) material makes, and plays the effect of insulation protection.Oversheath 1 is by PVC(PolyVinylChloride, polrvinyl chloride) material makes, and oversheath 1 is positioned at outermost, plays the effect of mechanical protection.Screen layer can prevent the signal of cable core internal transmission to be subject to the interference in the external world.Being provided with metallic conductor 7 and conductive fiber 6 in cable core, can be realized the transmission of video signal by conductive fiber 6 and metallic conductor 7, the metallic conductor 7 in the present embodiment is copper cash.Conductive fiber 6 has good toughness, good endurance while having satisfactory electrical conductivity, improves stability and the buckle resistance of whole cable core.When moving repeatedly coaxial cable, internal cable core will not be damaged because of repeatedly stretching, it is ensured that the normal transmission of video signal.Conductive fiber 6 can adopt the Combination of Methods bunchy that compound is worked out, and improves intensity.
Further, conductive fiber 6 can arrange many, is provided with two in the present embodiment, and many described conductive fibers 6 are symmetrical centered by the axle center of cable core, to increase the non-deformability of multiple directions.Many conductive fibers 6 can adopt the method synchronizing to be winched into ensure symmetry.
Further, it is externally provided with conducing composite material coating 2 at screen layer.Conducing composite material coating 2 makes screen layer tough and hard wear resistant, strengthens impact resistance and bending resistance is excellent.Screen layer in the present embodiment includes metal forming 4 and around the metal net 3 wrapped in outside metal forming 4, and metal forming 4 can be aluminium foil, and metal net 3 can be copper mesh grid.Conducing composite material coating 2 is coated with and is contained on metal net 3.Utilize conducing composite material to have and splendid adhesion properties between metal net 3, can effectively promote cable mechanical failure in use and ability that tensile stress is damaged.
Further, the conducing composite material in the present embodiment mainly includes following component, is expressed as with parts by weight:
Clinkering conductive epoxy powder 96～97；
Conducting resinl 3～4.
Preferred version therein is:
Clinkering conductive epoxy powder 96～97；
Conducting resinl 3～4.
More than be conducing composite material preferred embodiment, conducing composite material can also adopt other material to make.
Present invention also offers the production method of a kind of coaxial cable for transmitting video monitoring signal, comprise the following steps:
S1, is combined into cable core by conductive fiber and metallic conductor；
S2, extruded insulation layer outside cable core, insulating barrier plays the effect of insulation protection；
S3, is coated with screen layer outside insulating barrier, and screen layer can prevent the signal of cable core internal transmission to be subject to the interference in the external world；
S4, in shielding outer application conducing composite material coating；
S5, extrudes oversheath in the outside of conducing composite material coating.
Further, the step S4 in the present embodiment can adopt roll coating process to be coated, and specifically includes following steps:
S41, adds thermal shield and makes it arrive spraying temperature, and spraying temperature ensures that namely conducing composite material and screen layer contact outside melt, and spraying temperature is not higher than 130 DEG C；
S42, sprays conducing composite material outside screen layer.
Above in conjunction with accompanying drawing, embodiments of the invention are described; but the invention is not limited in above-mentioned detailed description of the invention; above-mentioned detailed description of the invention is merely schematic; rather than it is restrictive; those of ordinary skill in the art is under the enlightenment of the present invention; without departing under present inventive concept and scope of the claimed protection situation, it may also be made that a lot of form, these belong within the protection of the present invention.
Claims (5)
1. the coaxial cable being used for transmitting video monitoring signal, it is characterized in that, including oversheath (1) and the cable core that is arranged in described oversheath (1), metallic conductor (7) and conductive fiber (6) it is provided with in described cable core, being coated with insulating barrier (5) and screen layer outside described cable core successively, described oversheath (1) is coated on the outside of described screen layer；
Described screen layer includes metal forming (4) and around the metal net (3) wrapping in described metal forming (4) outside；
Described screen layer is externally provided with conducing composite material coating (2), and described conducing composite material coating (2) is coated on described metal net (3)；
Described conducing composite material mainly includes following component, is expressed as with parts by weight:
Clinkering conductive epoxy powder 96～97, and
Conducting resinl 3～4.
2. the coaxial cable for transmitting video monitoring signal according to claim 1, it is characterized in that, being provided with many conductive fibers (6) in described cable core, many described conductive fibers (6) are symmetrical centered by the axle center of described cable core.
3. the coaxial cable for transmitting video monitoring signal according to claim 1, it is characterised in that described conducing composite material mainly includes following component, is expressed as with parts by weight:
Clinkering conductive epoxy powder 96.5；
Conducting resinl 3.5.
4. the production method being used for transmitting the coaxial cable of video monitoring signal, it is characterised in that comprise the following steps:
S1, is combined into cable core by conductive fiber and metallic conductor；
S2, extruded insulation layer outside described cable core；
S3, is coated with screen layer outside described insulating barrier；
S4, in described screen layer outer application conducing composite material coating；
S5, extrudes oversheath in the outside of described conducing composite material coating；
Wherein, described screen layer includes metal forming and around the metal net wrapped in outside described metal forming；Described conducing composite material coating be coated in described metal knitted on the net；
Described conducing composite material mainly includes following component, is expressed as with parts by weight:
Clinkering conductive epoxy powder 96～97, and
Conducting resinl 3～4；
Described step S4 further includes steps of
S41, adds thermal shield and makes it arrive spraying temperature, and spraying temperature ensures that namely conducing composite material and screen layer contact outside melt；And
S42, sprays conducing composite material outside screen layer.
5. the production method of the coaxial cable for transmitting video monitoring signal according to claim 4, it is characterised in that described spraying temperature is not higher than 130 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210301045.3A CN103632767B (en) | 2012-08-22 | 2012-08-22 | A kind of coaxial cable for transmitting video monitoring signal and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210301045.3A CN103632767B (en) | 2012-08-22 | 2012-08-22 | A kind of coaxial cable for transmitting video monitoring signal and production method thereof |
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| Publication Number | Publication Date |
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| CN103632767A CN103632767A (en) | 2014-03-12 |
| CN103632767B true CN103632767B (en) | 2016-06-29 |
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| CN201210301045.3A Active CN103632767B (en) | 2012-08-22 | 2012-08-22 | A kind of coaxial cable for transmitting video monitoring signal and production method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2017157428A (en) * | 2016-03-02 | 2017-09-07 | 矢崎総業株式会社 | Heat resistant-oil resistant insulated wire |
| CN107545948A (en) * | 2016-06-23 | 2018-01-05 | 中国科学院苏州纳米技术与纳米仿生研究所 | Flexible wire and preparation method thereof |
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| CN201473946U (en) * | 2009-07-23 | 2010-05-19 | 江苏中矿大正表面工程技术有限公司 | Composite protective steel pile structure |
| CN201751941U (en) * | 2009-11-25 | 2011-02-23 | 上海骥德技术经纪有限公司 | Carbon fiber cable |
| CN202258516U (en) * | 2011-10-10 | 2012-05-30 | 河南科信电缆有限公司 | Carbon fiber composite core cable with de-icing effect |
| CN102842378A (en) * | 2011-06-24 | 2012-12-26 | 栾清杨 | Carbon fiber tensile movable electric power cable |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2767809A1 (en) * | 2009-07-16 | 2011-01-20 | 3M Innovative Properties Company | Submersible composite cable and methods |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201473946U (en) * | 2009-07-23 | 2010-05-19 | 江苏中矿大正表面工程技术有限公司 | Composite protective steel pile structure |
| CN201751941U (en) * | 2009-11-25 | 2011-02-23 | 上海骥德技术经纪有限公司 | Carbon fiber cable |
| CN102842378A (en) * | 2011-06-24 | 2012-12-26 | 栾清杨 | Carbon fiber tensile movable electric power cable |
| CN202258516U (en) * | 2011-10-10 | 2012-05-30 | 河南科信电缆有限公司 | Carbon fiber composite core cable with de-icing effect |
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Effective date of registration: 20210913 Address after: 241000 Fanchang County Economic Development Zone, Wuhu City, Anhui Province Patentee after: ANHUI LIANJIAXIANG SPECIAL CABLE Co.,Ltd. Address before: 518000 floors 2 and 3, building 113, Jindi Industrial Zone, Shazui, Futian District, Shenzhen, Guangdong Patentee before: SHENZHEN LIANJIAXIANG SCIENCE & TECHNOLOGY Co.,Ltd. |