CN203607128U - Cable used for integrated grounding system of alarm signal wire - Google Patents
Cable used for integrated grounding system of alarm signal wire Download PDFInfo
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- CN203607128U CN203607128U CN201320804216.4U CN201320804216U CN203607128U CN 203607128 U CN203607128 U CN 203607128U CN 201320804216 U CN201320804216 U CN 201320804216U CN 203607128 U CN203607128 U CN 203607128U
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Abstract
The utility model discloses a cable used for an integrated grounding system of an alarm signal wire. The cable comprises an alarm wire core which comprises at least one alarm wire core conductor used for signal transmission. The periphery of the alarm wire core conductor is extruded with an insulating layer prepared by foaming polyolefin material. The periphery of the alarm wire core is extruded with an internal protective layer prepared by halogen-free polyolefin material. Multiple grounding conductors used for grounding protection are arranged on the periphery of the internal protective layer. The periphery of the grounding conductors is extruded with an external protective layer prepared by halogen-free high-conductive polyolefin material. The alarm wire core conductor of the alarm wire core is extruded by the foaming polyolefin insulating layer so that electric inductance of the alarm wire is reduced and false alarm is prevented. The grounding conductors are used for grounding protection of a railway electrical system. The external protective layer is prepared by the halogen-free high-conductive polyolefin material which is conductive, anti-ant and anti-rat, anti-corrosion and environment-friendly. The cable designed by adopting the structure has great integrated grounding effect and the cable is also a nuisance-free, environment-friendly, clean and green product.
Description
Technical field
The utility model relates to environmental friendly material technical field, relates 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 take high ferro, subway and light rail as major way 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 complexity, material is more expensive, and the product of manufacturing is harder, not flexible.
Utility model content
In order to solve the technical problem existing in background technology, the utility model proposes a kind of integrated ground system cable of alarm signal line.
The integrated ground system cable of a kind of alarm signal line the utility model proposes, comprise warning core, this warning core comprises at least one alarming line core conductor for 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 utility model, 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 utility model;
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 utility model.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
Please refer to Fig. 1 and Fig. 2, the integrated ground system cable of a kind of alarm signal line the utility model 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 utility model, 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 utility model; but protection range of the present utility model is not limited to this; any be familiar with those skilled in the art the utility model disclose technical scope in; be equal to replacement or changed according to the technical solution of the utility model and utility model design thereof, within all should being encompassed in protection range of the present utility model.
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 at least one alarming line core conductor (10) for 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 |
|---|---|---|---|
| CN201320804216.4U CN203607128U (en) | 2013-12-09 | 2013-12-09 | Cable used for integrated grounding system of alarm signal wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320804216.4U CN203607128U (en) | 2013-12-09 | 2013-12-09 | Cable used for integrated grounding system of alarm signal wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203607128U true CN203607128U (en) | 2014-05-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320804216.4U Expired - Fee Related CN203607128U (en) | 2013-12-09 | 2013-12-09 | Cable used for integrated grounding system of alarm signal wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203607128U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103646690A (en) * | 2013-12-09 | 2014-03-19 | 中特华星电缆股份有限公司 | Cable used for integrated grounding system of alarm signal line |
-
2013
- 2013-12-09 CN CN201320804216.4U patent/CN203607128U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103646690A (en) * | 2013-12-09 | 2014-03-19 | 中特华星电缆股份有限公司 | Cable used for integrated grounding system of alarm signal line |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140521 Termination date: 20201209 |