CN201689716U - Rat-proof flexible cable with shielding braided by fiber sprayed with metal - Google Patents
Rat-proof flexible cable with shielding braided by fiber sprayed with metal Download PDFInfo
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- CN201689716U CN201689716U CN2010200330460U CN201020033046U CN201689716U CN 201689716 U CN201689716 U CN 201689716U CN 2010200330460 U CN2010200330460 U CN 2010200330460U CN 201020033046 U CN201020033046 U CN 201020033046U CN 201689716 U CN201689716 U CN 201689716U
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Abstract
The utility model discloses a rat-proof flexible cable with the shielding braided by fiber sprayed with metal, the section of which forms a multi-layer concentric circle structure. The rat-proof flexible cable comprises a center conductor, an isolating layer, an insulating layer, a shielding layer, a waterproof layer, a flame retardant layer and a sheathing layer, wherein the isolating layer is lapped at the periphery of the center conductor, the insulating layer is extruded at the periphery of the isolating layer, the shielding layer is braided outside the insulating layer, the waterproof layer, the flame retardant layer and the sheathing layer are lapped outside the shielding layer in sequence, the center conductor is formed by a plurality of cable cores, and each cable core consists of a plurality of fifth series of flexible copper conductors or a plurality of sixth series of flexible copper conductors; the shielding layer is high-strength fiber sprayed with metal; and the sheathing layer is made of low smoke zero halogen polyolefin sheathing compound added with nontoxic and environment-friendly rat-proof agent. Besides, the excellent electric property of the traditional cable, the rat-proof flexible cable has the characteristics of good flexibility, rat damaging prevention, waterproofness, flame resistance, non magnetic property, corrosion resistance, high strength, and the like.
Description
Technical field
The utility model relates to a kind of power cable, relate in particular to the fibrage shielded protection against rodents flexible cable in a kind of spray metal, be applicable to be laid on the occasion that the space is narrow and small, tensile strength is high, requirement is mobile or bending radius is smaller and the plague of rats is more serious, and be applicable to that electric pressure is 18/30kV and following.
Technical background
Single-core cable is a most widely used class cable, and it is widely used in important places such as subway, nuclear power station, market, hospital, intelligent building.Progress along with quickening of urbanization process and society, skyscraper, urban rail transit construction get more and more and are intensive, the space of cable laying is also more and more narrower and small, this will look for novelty cable on the basis with traditional excellent properties such as waterproof, fire-retardant, low cigarette, Halogen, low-corrosiveness and smoke density are little, also to have good softness, promptly have little bending radius and satisfy the requirement of laying and using; And the architectural characteristic of single core flexible cable has determined a little less than its insulation protection relatively, and external force resistance impact and damaged by rats ability are relatively poor.But one of China country that to be the plague of rats more serious, development along with China's electric utility, circuit is more and more intensive, causes the accident of electric short circuit often to take place but mouse stings bad power cable, has seriously influenced the normal operation and the safe power supply of power cable line.Power cable is in case dare not imagine because of damaged by rats causes the short circuit consequence.Therefore demand developing that a kind of softness is good, external force resistance impacts and the strong single core protection against rodents flexible cable of mouse bite preventing ability urgently.
Summary of the invention
The utility model has overcome deficiency of the prior art, provide a kind of spray metal fibrage shielded protection against rodents flexible cable, it also has characteristics such as good flexibility, mouse bite preventing, water proofing property, anti-flammability, non magnetic, corrosion-resistant, intensity height except that the excellent electric performance with traditional cable.
Realize that the above-mentioned purpose technical scheme is: the fibrage shielded protection against rodents flexible cable in a kind of spray metal, a multilayer concentric circle of its section constitution structure, it comprises center conductor, the peripheral wrapped separator of described center conductor, the insulating barrier that described separator periphery extrudes, the outer screen that weaves of described insulating barrier and outer wrapped successively water blocking layer, flame-retardant layer and the restrictive coating of described screen, wherein
Described center conductor is made of the multi beam core, and every bunch core is made of some the 5th class soft copper conductors or the 6th class soft copper conductor;
Described screen is the high strength fibre that spraying plating has metal;
Described restrictive coating is made by the low-smoke halogen-free polyolefin protective cover material that has added the asepsis environment-protecting Ratproof agent.
The fibrage shielded protection against rodents flexible cable in above-mentioned spray metal, wherein, the count of described screen reaches more than 80%.
The fibrage shielded protection against rodents flexible cable in above-mentioned spray metal, wherein, described separator adopts overlapping wrapped the forming of strip material.
The fibrage shielded protection against rodents flexible cable in above-mentioned spray metal, wherein, described insulating barrier adopts the ethylene-propylene rubber material to make.
The fibrage shielded protection against rodents flexible cable in above-mentioned spray metal, wherein, described water blocking layer forms by the waterstop of bilateral structure is wrapped.
The technical scheme of the fibrage shielded protection against rodents flexible cable in a kind of spray metal of the present utility model, the center conductor that adopts is made of the multi beam core, every bunch core is made of some the 5th class soft copper conductor or the 6th class soft copper conductors that meet GB/T3956, makes cable conductor core soft; Screen is to be formed by the braiding of the high strength fiber of metalling, has flexibility, non magnetic, corrosion-resistant and intensity advantages of higher, and restrictive coating is made by the low-smoke halogen-free polyolefin protective cover material that has added the asepsis environment-protecting Ratproof agent in addition; The Main Ingredients and Appearance that this poison ring is protected Ratproof agent (M-17) is nontoxic, environmental protection, effective component content height, decomposition temperature greater than 200 ℃ capsicim, its pungent composition can make the oral mucosa of muroid and gustatory nerve be subjected to intense stimulus and detest and reject chewing of electric wire, cable cut, and can effectively prevent the destruction of muroid and the dangerous incident that causes.A kind of protection against rodents flexible cable of the present utility model also has characteristics such as good flexibility, mouse bite preventing, water proofing property, anti-flammability, non magnetic, corrosion-resistant, intensity height except that the excellent electric performance with traditional cable.
Description of drawings
Fig. 1 is the sectional view of the fibrage shielded protection against rodents flexible cable in a kind of spray metal of the present utility model.
Embodiment
Below by embodiment the utility model is described in further detail.
See also Fig. 1, the fibrage shielded protection against rodents flexible cable in a kind of spray metal of the present utility model, a multilayer concentric circle of its section constitution structure, it comprises center conductor 1, separator 2, insulating barrier 3, screen 4, water blocking layer 5, flame-retardant layer 6 and restrictive coating 7.
Insulating barrier 3 adopts the ethylene-propylene rubber material to make, and it is extruded in the periphery of separator 2, and its softness and electrical insulation properties are all more superior;
Insulating barrier 3 outer braiding one deck counts reach the screen 4 of the high strength fibre of the metalling more than 80%, and this screen 4 has flexibility, non magnetic, corrosion-resistant and intensity advantages of higher;
Water blocking layer 5 forms by the waterstop of bilateral structure is wrapped, plays vertical resistance effect;
Flame-retardant layer 6 is by overlapping wrapped the forming of at least one floor height inhibiting tape;
The screen that adopts in the fibrage shielded protection against rodents flexible cable in a kind of spray metal of the present utility model is to be formed by the braiding of the high strength fiber of metalling, and it is with plasma spray coating process spray silvering, nickel and associated alloys metal on high strength fibre;
The preparation technology of screen 4 is:
The first step, the metal material of spraying is selected
(5.80 * 107s/m) copper is made the shielding material with good electrical field shield as depositing materials to select high conductivity for use.
Second step, the spraying plating process method
Selecting diameter for use is that 100 μ m super-high density polyethylene fibres (density is 0.980 gram/cubic centimetre) are as basilar fibers; basilar fibers is advanced from plasma spray coating stove one end; one brings out; horizontal level is arranged; fiber is evenly passed through vacuum furnace with constant speed; its speed is 6m/min; the copper of optional step 1 is depositing materials; place it on the electrode in the furnace chamber; and the other liquid nitrogen that has charged into protection and cooled off fast of the basilar fibers of in furnace chamber, accepting spraying plating; copper is sprayed on the basilar fibers with plasma state, make the fiber of metalling.
The diameter of making the metalling fiber is 200 μ m, and density is 3.5～4.0g/cm3, and its tensile strength is about 4-8 times of copper wire, can satisfy the intensity and the electric requirement of normal cable, and use the phenomenon that breaks can not occur.
The metal composite that above-mentioned technology is made has the fiber of high conductivity or high magnetic conductivity, is used to be woven on the electric wire screen as anti-electromagnetic interference, have in light weight, tensile strength is high and characteristic such as conductivity height.
The compages of the fibrage shielded protection against rodents flexible cable in a kind of spray metal of the present utility model can satisfy the little and external force resistance impact requirement of Cable Bending Radius, be applicable to be laid on the occasion that the space is narrow and small, tensile strength is high, requirement is mobile or bending radius is smaller and the plague of rats is more serious, and be applicable to that electric pressure is 18/30kV and following.
Above execution mode has been described in detail the utility model, and those skilled in the art can make the many variations example to the utility model according to the above description.Thereby some details in the execution mode should not constitute qualification of the present utility model, and the scope that the utility model will define with appended claims is as protection range of the present utility model.
Claims (5)
1. fibrage shielded protection against rodents flexible cable in spray metal, a multilayer concentric circle of its section constitution structure, it comprises center conductor, the peripheral wrapped separator of described center conductor, the insulating barrier that described separator periphery extrudes, the outer screen that weaves of described insulating barrier and outer wrapped successively water blocking layer, flame-retardant layer and the restrictive coating of described screen, it is characterized in that
Described center conductor is made of the multi beam core, and every bunch core is made of some the 5th class soft copper conductors or the 6th class soft copper conductor;
Described screen is the high strength fibre that spraying plating has metal;
Described restrictive coating is made by the low-smoke halogen-free polyolefin protective cover material.
2. the fibrage shielded protection against rodents flexible cable in spray metal according to claim 1 is characterized in that the count of described screen reaches more than 80%.
3. the fibrage shielded protection against rodents flexible cable in spray metal according to claim 1 is characterized in that, described separator adopts overlapping wrapped the forming of strip material.
4. the fibrage shielded protection against rodents flexible cable in spray metal according to claim 1 is characterized in that, described insulating barrier adopts the ethylene-propylene rubber material to make.
5. the fibrage shielded protection against rodents flexible cable in spray metal according to claim 1 is characterized in that described water blocking layer forms by the waterstop of bilateral structure is wrapped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200330460U CN201689716U (en) | 2010-01-14 | 2010-01-14 | Rat-proof flexible cable with shielding braided by fiber sprayed with metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200330460U CN201689716U (en) | 2010-01-14 | 2010-01-14 | Rat-proof flexible cable with shielding braided by fiber sprayed with metal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201689716U true CN201689716U (en) | 2010-12-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200330460U Expired - Fee Related CN201689716U (en) | 2010-01-14 | 2010-01-14 | Rat-proof flexible cable with shielding braided by fiber sprayed with metal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201689716U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104575848A (en) * | 2015-01-15 | 2015-04-29 | 江苏港宏电线电缆有限公司 | Mouse and ant prevention type low-smoke halogen-free armored control cable with nylon protective sleeve |
| CN113270226A (en) * | 2021-05-27 | 2021-08-17 | 江苏亨通线缆科技有限公司 | Airborne flexible ultra-light shielding cable |
-
2010
- 2010-01-14 CN CN2010200330460U patent/CN201689716U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104575848A (en) * | 2015-01-15 | 2015-04-29 | 江苏港宏电线电缆有限公司 | Mouse and ant prevention type low-smoke halogen-free armored control cable with nylon protective sleeve |
| CN113270226A (en) * | 2021-05-27 | 2021-08-17 | 江苏亨通线缆科技有限公司 | Airborne flexible ultra-light shielding cable |
| CN113270226B (en) * | 2021-05-27 | 2022-11-29 | 江苏亨通线缆科技有限公司 | Airborne flexible ultra-light shielding cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101229 Termination date: 20120114 |