CN103646690A - Cable used for integrated grounding system of alarm signal line - Google Patents
Cable used for integrated grounding system of alarm signal line Download PDFInfo
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- CN103646690A CN103646690A CN201310659736.5A CN201310659736A CN103646690A CN 103646690 A CN103646690 A CN 103646690A CN 201310659736 A CN201310659736 A CN 201310659736A CN 103646690 A CN103646690 A CN 103646690A
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Abstract
The invention discloses a cable used for an integrated grounding system of an alarm signal line. The cable comprises an alarm core. The alarm core comprises at least one an alarm core conductor used for signal transmission. A periphery of the alarm core conductor is wrapped with an insulating layer made of a foaming polyolefin material. A periphery of the alarm core is wrapped with an inner sheath layer made of a halogen-free polyolefin material. A periphery of the inner sheath layer is provided with a plurality of grounding conductors used for grounding protection. A periphery of the grounding conductors is wrapped with an outer sheath layer made of a halogen-free high-conductive polyolefin material. The alarm core conductor of the alarm core of the invention is wrapped with a foaming polyolefin insulation layer so that an inductance of an alarm line is reduced and false alarm is prevented. The grounding conductors are used for the grounding protection of a railway electrical system. The outer sheath layer is made of the halogen-free high-conductive polyolefin material. The material is conductive, ant-and-rat-prevention, anti-corrosion and environmental-protection. The cable designed through using the above structure well achieves an integrated grounding effect and is a pollution-free, clean, green and environmental-protection product.
Description
Technical field
The present invention relates to environmental friendly material technical field, relate in particular to a kind of integrated ground system cable of alarm signal line.
Background technology
Railway is the main artery of Chinese national economy and social development, railway is in space of top prominence in the large communications and transportation mode of China five, and the urban track traffic that high ferro, subway and light rail be major way of take is principal mode and the developing direction of big city passenger traffic from now on.
Original electric railway grounding system earth connection used is all with bare aluminium wire or bare copper wire, the type earth connection easily oxidized, be corroded.Industry development became at the plumbous cover of bare conductor external pressure bag one deck afterwards, but metallic lead is poisonous, can welding and the ecosystem.Then develop into present aluminium alloy protective layer, but aluminium alloy protection lamination job contract skill is complicated, material is more expensive, and the product of manufacturing is harder, not flexible.
Summary of the invention
In order to solve the technical problem existing in background technology, the present invention proposes a kind of integrated ground system cable of alarm signal line.
The integrated ground system cable of a kind of alarm signal line that the present invention proposes, comprise warning core, this warning core comprises that at least one for the alarming line core conductor of signal transmission, the periphery extruded insulation layer of alarming line core conductor, and insulating barrier is prepared by expanded polyolefin material; The periphery of warning core extrudes sheath, the periphery of the sheath many earthing conductors for ground protection of arranging, and the periphery of earthing conductor extrudes outer jacket, and sheath is prepared by halogen-free polyolefin material, and outer jacket is prepared by the high conduction of Halogen polyolefine material.
Preferably, warning core is by the alarming line core conductor twisted synthesizing cable of at least one extruded insulation layer.
Preferably, several earthing conductors are evenly arranged in the periphery of sheath, and the center of earthing conductor is connected to form full circle, and full circle and warning core and sheath are concentric circles.
The integrated ground system cable of alarm signal line of the present invention, it comprises warning core, many earthing conductors, sheath and outer jackets, the alarming line core conductor of this warning core is extruded by expanded polyolefin insulating barrier, reduces the inductance of alarming line, prevents false alarm; Earthing conductor is for ground protection, once cable is stolen or mechanical failure, assurance warning core is worked immediately, and can determine spot failure position; Sheath is prepared by halogen-free polyolefin material; Outer jacket is prepared by the high conduction of Halogen polyolefine material, and this material not only conducts electricity, anti-ant mouse, and anticorrosion, environmental protection.Adopting the cable of this structural design to play well integrated ground use, is also non-harmful environment protection clean green product.
Accompanying drawing explanation
Fig. 1 is the integrated ground system cable schematic cross-section of the alarm signal line by an alarming line core conductor twisted synthesizing cable of the present invention;
Fig. 2 is the integrated ground system cable schematic cross-section of the alarm signal line by two alarming line core conductor twisted synthesizing cables of the present invention.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail.
Please refer to Fig. 1 and Fig. 2, the integrated ground system cable of a kind of alarm signal line that the present invention proposes, it comprises warning core 1, this warning core 1 comprises at least one alarming line core conductor 10, this kind of conductor that alarming line core conductor 10 is high sensitivity, for signal transmission, guarantee the transmission of signal when cable is impaired; The periphery extruded insulation layer 11 of alarming line core conductor 10, insulating barrier 11 is prepared by expanded polyolefin material, the polyolefin insulation layer of utilizing skin bubble foaming technique to extrude, at the inner much tiny bubbles that form of insulating barrier 11, the core 1 that makes to report to the police possesses low inductance, prevents false alarm, improves warning precision; Thereby high-sensitive alarming line core conductor 10 and expanded polyolefin insulating barrier 11 twist together formation alarm unit.In addition, the periphery of warning core 1 extrudes sheath 2, and protection warning core 1 is not grounded conductor 3 and damages; The periphery of the sheath 2 many earthing conductors 3 for ground protection of arranging, once cable is stolen or mechanical failure, guarantee that warning core 1 works immediately, and can determine spot failure position; The periphery of earthing conductor 3 extrudes outer jacket 4, and sheath 2 is prepared by halogen-free polyolefin material, and outer jacket 4 is prepared by the high conduction of Halogen polyolefine material.
It should be noted that, the high conduction of Halogen polyolefin is a kind of halogen-free environmental shaped material, environment is not formed to harm, also has the function of high conduction, anti-ant mouse simultaneously.Thereby outer jacket 4 prepared by the high conduction of Halogen polyolefin not only possesses high conduction, anti-ant mouse, and there is the effect of anticorrosion, environmental protection.The conductor that earthing conductor 3 is used for integrated ground, in integrated ground system, it act as: protective earthing, overvoltage protection ground connection, bonding, signal ground etc.Adopt the cable of said structure design to play well integrated ground use.
Several earthing conductors 3 are evenly arranged in the periphery of sheath 2, and the center of earthing conductor 3 is connected to form full circle, and this full circle and warning core 1 and sheath 2 are concentric circles, improve warning precision and sensitivity.
The integrated ground system cable of alarm signal line of the present invention, it comprises warning core 1, many earthing conductors 3, sheath 2 and outer jackets 4, the alarming line core conductor 10 of this warning core 1 is extruded by expanded polyolefin insulating barrier 11, reduces the inductance of alarming line, prevents false alarm; Earthing conductor 3 is for ground protection, once cable is stolen or mechanical failure, assurance warning core 1 is worked immediately, and can determine spot failure position; Sheath 2 is prepared by halogen-free polyolefin material, and outer jacket 4 is prepared by the high conduction of Halogen polyolefine material, and this material not only conducts electricity, anti-ant mouse, and anticorrosion, environmental protection.Adopting the cable of this structural design to play well integrated ground use, is also non-harmful environment protection clean green product.
The above; it is only preferably embodiment of the present invention; but protection scope of the present invention is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; according to technical scheme of the present invention and inventive concept thereof, be equal to replacement or changed, within all should being encompassed in protection scope of the present invention.
Claims (3)
1. an integrated ground system cable for alarm signal line, is characterized in that, comprising: warning core (1),
Described warning core (1) comprises that at least one for the alarming line core conductor (10) of signal transmission, the periphery extruded insulation layer (11) of described alarming line core conductor (10), and described insulating barrier (11) is prepared by expanded polyolefin material;
The periphery of described warning core (1) extrudes sheath (2); the periphery of described sheath (2) the many earthing conductors for ground protection (3) of arranging; the periphery of described earthing conductor (3) extrudes outer jacket (4); described sheath (2) is prepared by halogen-free polyolefin material, and outer jacket (4) is prepared by the high conduction of Halogen polyolefine material.
2. the integrated ground system cable of alarm signal line according to claim 1, is characterized in that,
Described warning core (1) is by least one alarming line core conductor (10) twisted synthesizing cable that extrudes described insulating barrier (11).
3. according to the integrated ground system cable of the alarm signal line described in any one in claim 1 to 2, it is characterized in that, several described earthing conductors (3) are evenly arranged in the periphery of described sheath (2),
The center of described earthing conductor (3) is connected to form full circle, and described full circle and described warning core (1) and sheath (2) are concentric circles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310659736.5A CN103646690A (en) | 2013-12-09 | 2013-12-09 | Cable used for integrated grounding system of alarm signal line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310659736.5A CN103646690A (en) | 2013-12-09 | 2013-12-09 | Cable used for integrated grounding system of alarm signal line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103646690A true CN103646690A (en) | 2014-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310659736.5A Pending CN103646690A (en) | 2013-12-09 | 2013-12-09 | Cable used for integrated grounding system of alarm signal line |
Country Status (1)
| Country | Link |
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| CN (1) | CN103646690A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104464150A (en) * | 2014-12-06 | 2015-03-25 | 冷静 | Cable theft alarm system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2284995Y (en) * | 1996-08-14 | 1998-06-24 | 鸿海精密工业股份有限公司 | Cable conductor |
| CN2805030Y (en) * | 2005-02-04 | 2006-08-09 | 江苏新远程电缆有限公司 | Concentric conductor type electric power cable |
| CN102254596A (en) * | 2011-04-25 | 2011-11-23 | 江苏天地龙电缆有限公司 | Anti-termite shockproof low-temperature resistant breakthrough grounding wire cable |
| CN202258495U (en) * | 2011-10-24 | 2012-05-30 | 特变电工(德阳)电缆股份有限公司 | Safe early warning cable |
| CN102751032A (en) * | 2012-07-20 | 2012-10-24 | 安徽江淮电缆集团有限公司 | Flame-retardant power cable with concentric conductors |
| CN102982875A (en) * | 2012-11-28 | 2013-03-20 | 安徽埃克森科技集团有限公司 | Cable |
| CN203607128U (en) * | 2013-12-09 | 2014-05-21 | 中特华星电缆股份有限公司 | Cable used for integrated grounding system of alarm signal wire |
-
2013
- 2013-12-09 CN CN201310659736.5A patent/CN103646690A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2284995Y (en) * | 1996-08-14 | 1998-06-24 | 鸿海精密工业股份有限公司 | Cable conductor |
| CN2805030Y (en) * | 2005-02-04 | 2006-08-09 | 江苏新远程电缆有限公司 | Concentric conductor type electric power cable |
| CN102254596A (en) * | 2011-04-25 | 2011-11-23 | 江苏天地龙电缆有限公司 | Anti-termite shockproof low-temperature resistant breakthrough grounding wire cable |
| CN202258495U (en) * | 2011-10-24 | 2012-05-30 | 特变电工(德阳)电缆股份有限公司 | Safe early warning cable |
| CN102751032A (en) * | 2012-07-20 | 2012-10-24 | 安徽江淮电缆集团有限公司 | Flame-retardant power cable with concentric conductors |
| CN102982875A (en) * | 2012-11-28 | 2013-03-20 | 安徽埃克森科技集团有限公司 | Cable |
| CN203607128U (en) * | 2013-12-09 | 2014-05-21 | 中特华星电缆股份有限公司 | Cable used for integrated grounding system of alarm signal wire |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104464150A (en) * | 2014-12-06 | 2015-03-25 | 冷静 | Cable theft alarm system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140319 |