CN204143919U - A kind of high anti-interference special cable - Google Patents
A kind of high anti-interference special cable Download PDFInfo
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- CN204143919U CN204143919U CN201420561647.7U CN201420561647U CN204143919U CN 204143919 U CN204143919 U CN 204143919U CN 201420561647 U CN201420561647 U CN 201420561647U CN 204143919 U CN204143919 U CN 204143919U
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- braid
- insulating barrier
- screen
- coated
- special cable
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Abstract
The utility model relates to field of cable technology, particularly relate to a kind of high anti-interference special cable, comprise the insulating barrier of conductor and coated described conductor, also comprise centered by described conductor, be outwards coated on described insulating barrier successively the first screen, the first insulating barrier, secondary shielding layer, the second insulating barrier, the 3rd screen, the 3rd insulating barrier, multilayer screen layer of the present utility model effectively can shield external interference, be used in special equipment, also can not be subject to the input of large-capacity electrical apparatus or the interference of excision, not affect the result of use of special equipment or system.
Description
Technical field
The utility model relates to field of cable technology, particularly relates to a kind of high anti-interference special cable.
Background technology
Electric wire has been widely used in the detection etc. of industrial production, communications and transportation, war industry equipment and military equipment, space, ocean, and main application is divided into three major types: electric power system, the information transmission system and plant equipment and instrument system; The electric wire product that wherein electric power system adopts mainly contains aerial bare electric wire, bus-bar, branch cable, electromagnetic wire and power equipment electrical equipment electric wire etc.; Electric wire for the information transmission system mainly contains local cable, camera cable, electronic cable, radio frequency cable, fiber optic cable, data cable, electromagnetic wire, power communication or other composite cables etc.; And in plant equipment, instrument system except aerial bare electric wire almost other all products all have application, mainly concentrate on power cable, electromagnetic wire, data cable, instrument and meter cable etc.Except electric power conveying, in the control etc. of electric signal transmission and equipment, the electric wire of application all needs the interference that electric field, magnetic field are come to external world to shield, to ensure the real-time that signal transmits and accuracy.The general only coated metal screen outside the insulating barrier of cable of existing anti-tampering cable, can meet the interference in the external electrical field in wired signal transmission engineering, magnetic field; But this kind of common anti-tampering cable application is in some special equipments, particularly have large-capacity electrical apparatus drop into or excision affect time, its jamproof function complete failure, larger error can be produced to equipment application, the requirement of system conditions and accident conditions can not be met completely.
Therefore, the existing high anti-interference special cable of one of being badly in need of solves above problem.
Utility model content
For above-mentioned the deficiencies in the prior art, the purpose of this utility model there are provided a kind of high anti-interference special cable, the shield effectiveness of this kind of cable is good, solve at present when special equipment normally runs, the problem be easily disturbed when large-capacity electrical apparatus drops into or excise, avoids system unstable, and under realizing accident conditions, pressure bearing and seal designs, under accident conditions, ensure its availability, the requirement of existing special equipment or system conditions and accident conditions can be met.
To achieve these goals, the technical solution of the utility model is as follows:
A kind of high anti-interference special cable, comprise the insulating barrier of conductor and coated described conductor, also comprise centered by described conductor, be outwards coated on described insulating barrier successively the first screen, the first insulating barrier, secondary shielding layer, the second insulating barrier, the 3rd screen, the 3rd insulating barrier, wherein said first screen is arranged between described insulating barrier and described first insulating barrier, described secondary shielding layer is arranged between described first insulating barrier and described second insulating barrier, and described 3rd screen is arranged between described second insulating barrier and described 3rd insulating barrier.
Preferably, described first screen is double-level-metal screen, comprise braid and the first outer braid in first, and described first outer braid is coated on braid in described first.Particularly, in described first, braid is tinned wird braid, and described first outer braid is the structure sheaf after tinned wird braid wicking.
Preferably, described secondary shielding layer is double-level-metal screen, comprise braid and the second outer braid in second, and described second outer braid is coated on braid in described second.Particularly, in described second, braid is tinned wird braid, and described second outer braid is the structure sheaf after tinned wird braid wicking.
Preferably, described 3rd screen is double-level-metal screen, comprise braid and the 3rd outer braid in the 3rd, and described 3rd outer braid is coated on braid in the described 3rd.Particularly, in the described 3rd, braid is tinned wird braid, and described 3rd outer braid is the structure sheaf after tinned wird braid wicking.
Particularly, described first insulating barrier, described second insulating barrier and described 3rd insulating barrier are polytetrafluoroethylmaterial material and make, and described conductor is silver-plated oxygen-free copper flexible cord.
Preferably, also comprise the external sheath layer being coated on described 3rd insulating barrier, described external sheath layer is fluororubber layer, can antistatic.
Manufacture a method for high anti-interference special cable, comprise the following steps:
There is provided a conductor, at described conductor outer cladding insulating barrier to form heart yearn;
After described heart yearn outer cladding first screen first time wicking, coated first insulating barrier in outside after first time wicking subsequently;
At described first insulating barrier outer cladding secondary shielding layer second time wicking afterwards, subsequently coated second insulating barrier in outside after second time wicking;
Described second insulating barrier outer cladding secondary shielding layer afterwards third time wicking, subsequently again third time wicking after outside coated 3rd insulating barrier.
Preferably, described 3rd insulating barrier outer cladding external sheath layer is also included in.
The utility model provides one to meet extraordinary power set or system service requirement high reliability, high anti-interference special cable under nominal situation and accident conditions.
Accompanying drawing explanation
The structural representation of the high anti-interference special cable of Fig. 1, the utility model;
The schematic cross-section of the high anti-interference special cable of Fig. 2, the utility model;
Fig. 3, the utility model manufacture the flow chart of the method for high anti-interference special cable;
Illustrate: conductor-0, insulating barrier-1, the first screen-2, braid-21, the first outer braid-22, the first insulating barrier-3 in first, the outer braid-42 of braid-41, the second in secondary shielding layer-4, the second, second insulating barrier-5,3rd screen-6, braid-61 in the 3rd, the 3rd outer braid-62,3rd insulating barrier-7, external sheath layer-8.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
See Fig. 1, 2, a kind of high anti-interference special cable, comprise conductor 0, the insulating barrier 1 of coating conductor 0 and the screen of coated insulation layer 1, wherein screen comprises the first screen 2 being outwards coated on insulating barrier 1 centered by conductor 0 successively, first insulating barrier 3, secondary shielding layer 4, second insulating barrier 5, 3rd screen 6, 3rd insulating barrier 7, wherein the first screen 2 is arranged between insulating barrier 1 and the first insulating barrier 3, secondary shielding layer 4 is arranged between the first insulating barrier 3 and the second insulating barrier 5, 3rd screen 6 is arranged between the second insulating barrier 5 and the 3rd insulating barrier 7.
Wherein the first screen 2 is double-level-metal screen, comprise braid 21 and the first outer braid 22 in first, and the first outer braid 22 is coated on braid 21 in first, particularly, in first, braid 21 is tinned wird braid, and the first outer braid 22 is the structure sheaf after tinned wird braid wicking; Secondary shielding layer 4 is double-level-metal screen, comprise braid 41 and the second outer braid 42 in second, and the second outer braid 42 is coated on braid 41 in second, particularly, in second, braid 41 is tinned wird braid, and the second outer braid 42 is the structure sheaf after tinned wird braid wicking; 3rd screen 6 is double-level-metal screen, comprise braid 61 and the 3rd outer braid 62 in the 3rd, and the 3rd outer braid 62 is coated on braid 61 in the 3rd, particularly, in 3rd, braid 61 is tinned wird braid, and the 3rd outer braid 62 is the structure sheaf after tinned wird braid wicking.First insulating barrier 3, second insulating barrier 5 and the 3rd insulating barrier 7 are polytetrafluoroethylmaterial material and make, and conductor 0 is silver-plated oxygen-free copper flexible cord.
This high anti-interference special cable also comprises the external sheath layer 8 being coated on the 3rd insulating barrier 7, and external sheath layer 8 is fluororubber layer.
Manufacture a method for high anti-interference special cable, specifically comprise the following steps:
S01 provides a conductor 0, at conductor 0 outer cladding insulating barrier 1 to form heart yearn;
S02 is at heart yearn outer cladding first screen 2 wicking of rear first time, be specially braid 21 in heart yearn outer cladding first, subsequently the first outer braid 22 to be coated in first on braid 21, subsequently by the cable of this coated first outer braid 22 first time wicking, after the first outer braid 22 surface cure in outside coated first insulating barrier 3;
S03 is second time wicking after the first insulating barrier 3 outer cladding secondary shielding layer 4, be specially braid 41 in the first insulating barrier 3 outer cladding second, subsequently the second outer braid 42 to be coated in second on braid 41, then, this is coated with the second outer braid 42 cable second time wicking, after the second outer braid 42 surface cure in outside coated second insulating barrier 5;
S04 is at the second insulating barrier 5 outer cladding the 3rd screen 6 wicking of rear third time, be specially braid 61 in the second insulating barrier 5 outer cladding the 3rd, subsequently the 3rd outer braid 62 to be coated in the 3rd on braid 61, then, this is coated with the 3rd outer braid 62 cable third time wicking, after the 3rd outer braid 62 surface cure in outside coated 3rd insulating barrier 7;
S05 is at the 3rd insulating barrier 7 outer cladding external sheath layer 8.
Wherein, insulating barrier 1 mainly adopts Teflon foaming materials to obtain, and its foam process is foam degrees 40%, and electric capacity 75pF/m stablizes and uniform foam cell; First screen 2, secondary shielding layer 4 and the 3rd screen 6 are double-level-metal screen, and employing tinned wird is braided material, and outer field metal screen layer wicking, make shield effectiveness reach more than 80dB; Coated insulation layer on screen, the first insulating barrier 3, second insulating barrier 5 wherein and the 3rd insulating barrier 7 all adopt polytetrafluoroethylmaterial material to obtain, it can play the function of waterproof, the problem that the water proofing property that solution insulating barrier 1 causes because of foam degrees 40% is not good, prevents from entering in cable use procedure moisture; External sheath layer 8 adopts fluorubber material to obtain, and main rising is protected and anti-static electrification.
The performance index of cable detect as follows:
Electrical performance indexes is impedance 50 Ω, and heart yearn D.C. resistance is 24 Ω/km, and insulation resistance is 10
13Ω m, cable capacitance amount is 75pF/m, and screening effectiveness can reach 80dB;
Minimum bending radius when mechanical performance index is cable laying is 60mm, and tension force is 600N;
In the normal environmental condition used, temperature 0 ~ 90 DEG C, relative humidity 93% (temperature 605 DEG C), resistance to y irradiation 10
7(Gy);
Environmental condition under accident conditions, temperature 170 DEG C, relative humidity 100%, pressure 2Mpa, normally uses, at the insulation resistance 10 of 30min inner cable
13Ω m, at the insulation resistance 10 of 96h inner cable
12Ω m, meets the requirement of special equipment.
Above-described embodiment, just preferred embodiment of the present utility model, not be used for limiting the utility model practical range, therefore all equivalences done with structure, feature and the principle described in the utility model claim change or modify, and all should be included within the utility model right.
Claims (10)
1. one kind high anti-interference special cable, comprise the insulating barrier of conductor and coated described conductor, it is characterized in that: also comprise the first screen being outwards coated on described insulating barrier centered by described conductor successively, first insulating barrier, secondary shielding layer, second insulating barrier, 3rd screen, 3rd insulating barrier, wherein said first screen is arranged between described insulating barrier and described first insulating barrier, described secondary shielding layer is arranged between described first insulating barrier and described second insulating barrier, described 3rd screen is arranged between described second insulating barrier and described 3rd insulating barrier.
2. the anti-interference special cable of height according to claim 1, is characterized in that: described first screen is double-level-metal screen, comprise braid and the first outer braid in first, and described first outer braid is coated on braid in described first.
3. the anti-interference special cable of height according to claim 2, is characterized in that: in described first, braid is tinned wird braid, and described first outer braid is the structure sheaf after tinned wird braid wicking.
4. the anti-interference special cable of height according to claim 1, is characterized in that: described secondary shielding layer is double-level-metal screen, comprise braid and the second outer braid in second, and described second outer braid is coated on braid in described second.
5. the anti-interference special cable of height according to claim 4, is characterized in that: in described second, braid is tinned wird braid, and described second outer braid is the structure sheaf after tinned wird braid wicking.
6. the anti-interference special cable of height according to claim 1, is characterized in that: described 3rd screen is double-level-metal screen, comprise braid and the 3rd outer braid in the 3rd, and described 3rd outer braid is coated on braid in the described 3rd.
7. the anti-interference special cable of height according to claim 6, is characterized in that: in the described 3rd, braid is tinned wird braid, and described 3rd outer braid is the structure sheaf after tinned wird braid wicking.
8. the anti-interference special cable of height according to claim 1, is characterized in that: described first insulating barrier, described second insulating barrier and described 3rd insulating barrier are polytetrafluoroethylmaterial material and make.
9. the anti-interference special cable of height according to claim 1, is characterized in that: also comprise the external sheath layer being coated on described 3rd insulating barrier, and described external sheath layer is fluororubber layer.
10. the anti-interference special cable of height according to claim 1, is characterized in that: described conductor is silver-plated oxygen-free copper flexible cord.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420561647.7U CN204143919U (en) | 2014-09-26 | 2014-09-26 | A kind of high anti-interference special cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420561647.7U CN204143919U (en) | 2014-09-26 | 2014-09-26 | A kind of high anti-interference special cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204143919U true CN204143919U (en) | 2015-02-04 |
Family
ID=52420588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420561647.7U Expired - Fee Related CN204143919U (en) | 2014-09-26 | 2014-09-26 | A kind of high anti-interference special cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204143919U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104282376A (en) * | 2014-09-26 | 2015-01-14 | 东莞市日新传导科技股份有限公司 | High-anti-interference special cable and manufacturing method thereof |
-
2014
- 2014-09-26 CN CN201420561647.7U patent/CN204143919U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104282376A (en) * | 2014-09-26 | 2015-01-14 | 东莞市日新传导科技股份有限公司 | High-anti-interference special cable and manufacturing method thereof |
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| 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: 20150204 Termination date: 20160926 |
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| CF01 | Termination of patent right due to non-payment of annual fee |