CN202013760U - Special-purpose composite cable for security monitoring - Google Patents
Special-purpose composite cable for security monitoring Download PDFInfo
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- CN202013760U CN202013760U CN2011200787432U CN201120078743U CN202013760U CN 202013760 U CN202013760 U CN 202013760U CN 2011200787432 U CN2011200787432 U CN 2011200787432U CN 201120078743 U CN201120078743 U CN 201120078743U CN 202013760 U CN202013760 U CN 202013760U
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Abstract
The utility model discloses a special-purpose composite cable for security monitoring, belonging to the technical field of cable. A cable core comprises a video monitoring coaxial cable, a temperature monitoring cable, a signal transmission cable and a power supply cable. The cable core is wound with a taped covering, which is covered with an outer sheath in extruding mode; the video monitoring coaxial cable includes a coaxial cable central conductor, which is outward sequentially covered with a coaxial cable insulating layer, a coaxial cable shielding layer and a coaxial cable sheath; the temperature monitoring cable is provided with a group of temperature-sensitive core wire twisted pair wires at the centre, and covered with a temperature-sensitive core wire sheath on the periphery in extruding mode; the signal transmission cable includes four intertwisted insulating signal core wires, is covered with a signal wire core shielding layer on the periphery, wherein the signal wire core shielding layer is covered with a signal wire core sheath on the periphery in extruding mode; the power supply cable includes three intertwisted power supply cable insulating wire cores, which are respectively covered with a power supply cable sheath on the periphery in extruding mode. The cable is compact in structure, convenient in laying and occupies small space.
Description
Technical field
The utility model relates to a kind of multi-functional cable, and particularly a kind of safety monitoring special comprehensive cable belongs to the cable technology field.
Background technology
In recent years, newly-built on a large scale the urban track traffic in China cities at different levels based on subway.At present, there are nearly 30 cities and area in China all in construction and the planning of setting about carrying out track traffic, nearly more than 110 of the circuit project that relates to, planning underground railway track mileage number will be above 3000 kilometers, and Chinese subway construction is entering a developing period of rising rapidly.Subway line is positioned at generally that the city is underground, and personnel are intensive, requires high for the safety precaution of subway line and station.
The safety monitoring of track traffic needs supporting use video monitoring coaxial cable, temperature monitoring cable, signal-transmitting cable and light current feed cable etc.The cable of present various functions independently lays, and has not only expended more human and material resources, and various cable intersects that to lay easy appearance in disorder, is not easy to use and checks; In addition, independently laying of various cables occupied bigger space, and the occasion limited for spaces such as subway tunnels is particularly improper.
The utility model content
The purpose of this utility model is, overcomes problems of the prior art, and a kind of safety monitoring special comprehensive cable is provided, and a cable can satisfy video monitoring, temperature monitoring, signal transmission and power delivery function.
For solving above technical problem, a kind of safety monitoring special comprehensive cable provided by the utility model, cable core comprises video monitoring coaxial cable, temperature monitoring cable, signal-transmitting cable and feed cable, the space of described cable core and periphery are filled with packing material and make the cable core rounding, the periphery of described cable core is wound with lapping layer, and described lapping layer is extruded with oversheath outward; Described video monitoring coaxial cable comprises coax cable center conductor, outwards is coated with coaxial cable insulated layer, coaxial cable shielding layer and coaxial cable sheath successively by coax cable center conductor; It is right that the center of described temperature monitoring cable is provided with one group of twisted pair wire, and described twisted pair wire is to by mutual stranded the forming of two temperature-sensitive heart yearns, and the right periphery of described twisted pair wire is extruded with temperature-sensitive heart yearn sheath; Described signal-transmitting cable comprises four mutual stranded insulation signal cores, and four described insulation signal cores are coated with signal core screen, and the periphery of described signal core screen is extruded with signal core sheath; Described feed cable comprises three mutual stranded feed cable insulated wire cores, and the periphery of three described feed cable insulated wire cores is extruded with the feed cable sheath.
With respect to prior art, the utility model has been obtained following beneficial effect: a function such as video monitoring, temperature monitoring, signal transmission, power delivery that safety monitoring composite cable of the present utility model is integrated, compact conformation, lay conveniently, lay a cable and promptly have the function of several cables, greatly reduce the consumption of human and material resources in the laid processes, and it is little to take up space, and is particularly useful for the limited occasions in space such as subway tunnel.
As improvement of the present utility model, the center of described cable core is provided with flexible steel cable, and described flexible steel cable is extruded with high density polyethylene protective coating outward.The flexible steel cable at cable core center plays the effect of load-bearing, can reduce pulling force, gravitational load that cable core is subjected to, improves the reliability of cable, prolongs the useful life of cable.
As further improvement of the utility model, described oversheath adopts the manufacturing of low-smoke bittern-free highly fire-proof CABLE MATERIALS to form, and this CABLE MATERIALS contains termite-proof and rat eaten additive.Oversheath adopts the low-smoke bittern-free highly fire-proof CABLE MATERIALS, meets the smog that produces in the time of can significantly reducing cable fire when fire takes place, and reduces the toxicity of smog, and has and prevent that termite and mouse from nibbling the function of food, effectively guaranteed the operational reliability of composite cable.
Description of drawings
Fig. 1 is the structural representation of a kind of safety monitoring special comprehensive of the utility model cable.
Among the figure: 1 feed cable; 1a feed cable cored wire conductor; 1b feed cable insulating barrier; 1c feed cable sheath; 2 video monitoring coaxial cables; The 2a coax cable center conductor; The 2b coaxial cable insulated layer; The 2c coaxial cable shielding layer; 2d coaxial cable sheath; 3 temperature monitoring cables; 3a temperature-sensitive cored wire conductor; 3b temperature-sensitive core insulation layer; 3c temperature-sensitive heart yearn sheath; 4 signal-transmitting cables; 4a holding wire core conductor; 4b holding wire core insulation layer; 4c signal core screen; 4d signal core sheath; 5 flexible steel cables; The 5a high density polyethylene protective coating; 6 packing materials; 7 lapping layers; 8 oversheaths.
Embodiment
A kind of safety monitoring special comprehensive cable of the present utility model, its cable core comprises video monitoring coaxial cable 2, temperature monitoring cable 3, signal-transmitting cable 4 and feed cable 1, the space of cable core and periphery are filled with packing material 6 and make the cable core rounding, the periphery of cable core is wound with lapping layer 7, the lapping layer 7 outer oversheaths 8 that are extruded with.The center of cable core is equipped with flexible steel cable 5, the flexible steel cable 5 outer high density polyethylene protective coating 5a that are extruded with.
Video monitoring coaxial cable 2 comprises coax cable center conductor 2a, outwards is coated with coaxial cable insulated layer 2b, coaxial cable shielding layer 2c and coaxial cable sheath 2d successively by coax cable center conductor 2a.
It is right that the center of temperature monitoring cable 3 is provided with one group of twisted pair wire, and twisted pair wire is to by mutual stranded the forming of two temperature-sensitive heart yearns, and the right periphery of twisted pair wire is extruded with temperature-sensitive heart yearn sheath 3c; Every temperature-sensitive heart yearn comprises temperature-sensitive cored wire conductor 3a and is coated on the outer temperature-sensitive core insulation layer 3b of temperature-sensitive cored wire conductor 3a.
Signal-transmitting cable 4 comprises four mutual stranded insulation signal cores, and four thoroughly do away with edge signal core is coated with signal core screen 4c, and the periphery of signal core screen 4c is extruded with signal core sheath 4d; Every eradication edge signal core comprises holding wire core conductor 4a and is coated on the outer holding wire core insulation layer 4b of holding wire core conductor 4a.
Feed cable 1 comprises three mutual stranded feed cable insulated wire cores, and the periphery of three feed cable insulated wire cores is extruded with feed cable sheath 1c; Every feed cable insulated wire cores comprises feed cable cored wire conductor 1a and is coated on the outer feed cable insulating barrier 1b of feed cable cored wire conductor 1a.
A function such as video monitoring, temperature monitoring, signal transmission, power delivery that safety monitoring composite cable of the present utility model is integrated, compact conformation lay conveniently, and it is little to take up space, and is particularly useful for the limited occasions in space such as subway tunnel.The flexible steel cable 5 at cable core center plays the effect of load-bearing, can reduce pulling force, gravitational load that cable core is subjected to, improves the reliability of cable, prolongs the useful life of cable.The temperature anomaly that temperature monitoring cable 3 can be monitored peripheral environment and cable itself changes, and temperature error is ± 1 ℃.
Oversheath 8 adopts the low-smoke bittern-free highly fire-proof CABLE MATERIALS, and the oxygen index of low-smoke bittern-free highly fire-proof CABLE MATERIALS can reach 40, and the smoke density light transmittance is greater than 60%; The HCL gas that finished cable produces in combustion process is 0, and aqueous ph value is greater than 5.5.Meet the smog that produces in the time of to significantly reduce cable fire when fire takes place, reduce the toxicity of smog, and have and prevent that termite and mouse from nibbling the function of food, effectively guaranteed the operational reliability of composite cable.
In addition to the implementation, the utility model can also have other execution modes.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection range of the utility model requirement.
Claims (2)
1. safety monitoring special comprehensive cable, it is characterized in that: cable core comprises video monitoring coaxial cable, temperature monitoring cable, signal-transmitting cable and feed cable, the space of described cable core and periphery are filled with packing material and make the cable core rounding, the periphery of described cable core is wound with lapping layer, and described lapping layer is extruded with oversheath outward;
Described video monitoring coaxial cable comprises coax cable center conductor, outwards is coated with coaxial cable insulated layer, coaxial cable shielding layer and coaxial cable sheath successively by coax cable center conductor;
It is right that the center of described temperature monitoring cable is provided with one group of twisted pair wire, and described twisted pair wire is to by mutual stranded the forming of two temperature-sensitive heart yearns, and the right periphery of described twisted pair wire is extruded with temperature-sensitive heart yearn sheath;
Described signal-transmitting cable comprises four mutual stranded insulation signal cores, and four described insulation signal cores are coated with signal core screen, and the periphery of described signal core screen is extruded with signal core sheath;
Described feed cable comprises three mutual stranded feed cable insulated wire cores, and the periphery of three described feed cable insulated wire cores is extruded with the feed cable sheath.
2. according to a kind of safety monitoring special comprehensive cable of claim 1, it is characterized in that: the center of described cable core is provided with flexible steel cable, and described flexible steel cable is extruded with high density polyethylene protective coating outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200787432U CN202013760U (en) | 2011-03-23 | 2011-03-23 | Special-purpose composite cable for security monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200787432U CN202013760U (en) | 2011-03-23 | 2011-03-23 | Special-purpose composite cable for security monitoring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202013760U true CN202013760U (en) | 2011-10-19 |
Family
ID=44784374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200787432U Expired - Fee Related CN202013760U (en) | 2011-03-23 | 2011-03-23 | Special-purpose composite cable for security monitoring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202013760U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103971830A (en) * | 2014-04-24 | 2014-08-06 | 安徽徽宁电器仪表集团有限公司 | Transmission cable |
| CN103971811A (en) * | 2013-01-25 | 2014-08-06 | 杨耀舟 | Corrosion-prevention device of coaxial cable and monitoring wire cable |
| CN104021849A (en) * | 2014-05-09 | 2014-09-03 | 安徽埃克森科技集团有限公司 | Transmission control cable |
| CN106887285A (en) * | 2017-04-21 | 2017-06-23 | 宁夏中盛电缆技术有限公司 | A kind of D interface cable and preparation method thereof |
| CN108109762A (en) * | 2017-11-28 | 2018-06-01 | 安徽瑞侃电缆科技有限公司 | One kind controls cable from early warning type |
-
2011
- 2011-03-23 CN CN2011200787432U patent/CN202013760U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103971811A (en) * | 2013-01-25 | 2014-08-06 | 杨耀舟 | Corrosion-prevention device of coaxial cable and monitoring wire cable |
| CN103971830A (en) * | 2014-04-24 | 2014-08-06 | 安徽徽宁电器仪表集团有限公司 | Transmission cable |
| CN104021849A (en) * | 2014-05-09 | 2014-09-03 | 安徽埃克森科技集团有限公司 | Transmission control cable |
| CN106887285A (en) * | 2017-04-21 | 2017-06-23 | 宁夏中盛电缆技术有限公司 | A kind of D interface cable and preparation method thereof |
| CN108109762A (en) * | 2017-11-28 | 2018-06-01 | 安徽瑞侃电缆科技有限公司 | One kind controls cable from early warning type |
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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 |
Granted publication date: 20111019 Termination date: 20200323 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |