CN204332468U - A kind of six conductor cable - Google Patents
A kind of six conductor cable Download PDFInfo
- Publication number
- CN204332468U CN204332468U CN201520036418.8U CN201520036418U CN204332468U CN 204332468 U CN204332468 U CN 204332468U CN 201520036418 U CN201520036418 U CN 201520036418U CN 204332468 U CN204332468 U CN 204332468U
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- conductor
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Abstract
This practicality discloses a kind of six conductor cable, comprise three master core conductors and three by-pass core conductors, described master core conductor is wrapped with screen, water blocking layer and protective layer, described water blocking layer is the composite construction being close to screen, main semi-conductive layer is provided with between described master core conductor and screen, described by-pass core conductor is wrapped with auxiliary-conductor screen, secondary semi-conductive layer is provided with between described by-pass core conductor and auxiliary-conductor screen, the gap of described master core conductor and by-pass core conductor is provided with filler, described master core conductor and by-pass core conductor are also enclosed with wrapped bed course outward, total screen, steel wire armor layer, anti-corrosion asphalt layer and polyvinyl chloride oversheath.Cable of the present utility model has stronger proof voltage impulsive force; pulse voltage during frequent frequency conversion at a high speed can be stood; good protection effect is played to frequency conversion electrical equipment, also there is good protective value simultaneously, the harmful effect of the high order harmonic component existed can be reduced during frequency converter exports.
Description
Technical field
The utility model relates to field of cables, relates in particular to a kind of six conductor cable.
Background technology
Telecommunication cable is roughly divided into two kinds of structures: fiber optic cables and metal conductor cables, each set of construction parameters with its uniqueness, these parameter influence cables carry the quality of the signal of communication of transmission.Cable has power cable, control cables, compensating cable, shielded type cable, high-temperature cable, computer cable, signal cable, coaxial cable, fire-resisting cable, shipboard cable, mining cable, aluminium alloy cable etc., they are all made up of sub-thread or stranded conductor and insulating barrier, are used for connecting circuit, electrical equipment etc.Wires and cables industry is the second largest industry that China is only second to automobile industry, and product variety Service Efficiency and domestic market occupation rate are all more than 90%.Worldwide, the Chinese electric wire gross output value exceedes the U.S., becomes first electric wire producing country in the world.Along with Chinese wires and cables industry high speed development, creation of new enterprise quantity constantly rises, and industry overall technology level is largely increased.Existing multicore cable is generally adopted by multiple conducting wires stranded mode to twist together or bundled by multiple conducting wires, be placed on center, then at outer wrapping overcoat, its advantage is that cable has good globality, shortcoming easily causes interference between wire, influence each other, be unfavorable for the transmission of signal.
Utility model content
The purpose of this utility model is, for the problems referred to above, provides a kind of six conductor cable of advantages of good shielding performance.
For achieving the above object, the utility model adopts following technical scheme:
A kind of six conductor cable, comprises three master core conductors and three by-pass core conductors;
Described master core conductor is wrapped with screen, water blocking layer and protective layer, and described water blocking layer is composite construction, is close to described screen, is also provided with main semi-conductive layer between described master core conductor and described screen;
Described by-pass core conductor is wrapped with auxiliary-conductor screen, is also provided with secondary semi-conductive layer between described by-pass core conductor and described auxiliary-conductor screen;
The gap of described master core conductor and described by-pass core conductor is provided with filler, and the periphery of described master core conductor and described by-pass core conductor is also enclosed with wrapped bed course, total screen, steel wire armor layer, anti-corrosion asphalt layer and polyvinyl chloride oversheath successively.
Further, described master core conductor and described by-pass core conductor are copper clad aluminum conductor.
Further, the cross section of described master core conductor and described by-pass core conductor is circular, described master core conductor and described by-pass core conductor spaced and be arranged symmetrically with.
Further, described screen comprises the leading body screen be attached to outside described master core conductor and the insulation screen being wrapped in described leading body screen outer surface, is also provided with insulating barrier between described leading body screen and described insulation screen.
Further, described water blocking layer is three-decker, is semiconductor waterstop, semi-conductive buffer water-blocking band and semiconductive water steel wire mask tape from internal layer to skin successively.
Further, described protective layer is that the lead be wrapped in outside described water blocking layer overlaps and pe sheath, does not closely wrap up, leave space between described lead cover and described water blocking layer.
Further, described total screen adopts braided steel wire shielding or copper strip shielding, described total shielding layer grounding.
Implement the utility model and there is following beneficial effect: conductor increases semi-conductive layer outward, energy homogenizing electric field, reduce point discharge, effectively can avoid insulation breakdown, cable adopts symmetrical structure, homogenizing electric field and each object balanced mutually can be reached, master core conductor and by-pass core conductor to be arranged respectively after screen in addition total screen again, can avoid disturbing each other, external High-frequency Interference can be suppressed, in addition steel wire armor layer is as the radial mechanical protection layer of cable and additional total screen, the construction of cable can be strengthened, play shielding action again, the cable of this six cored structure has stronger proof voltage impulsive force, pulse voltage during frequent frequency conversion at a high speed can be stood, frequency conversion electrical equipment is played a good protection, also there is good protective value simultaneously, the harmful effect of the high order harmonic component existed can be reduced during frequency converter exports.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the utility model braided steel wire mask apertures.
In figure: 1, master core conductor; 2, main semi-conductive layer; 3, leading body screen; 4, insulating barrier; 5, insulation screen; 6, water blocking layer; 7, plumbous cover; 8, pe sheath; 9, by-pass core conductor; 10, secondary semi-conductive layer; 11, auxiliary-conductor screen; 12, filler; 13, wrapped bed course; 14, total screen; 15, steel wire armor layer; 16, anti-corrosion asphalt layer; 17, polyvinyl chloride oversheath.
Embodiment
Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.
Six conductor cable as shown in Figure 1; comprise three master core conductors 1 and three by-pass core conductors 9; master core conductor 1 is wrapped with screen, water blocking layer 6 and protective layer; main semi-conductive layer 2 is also provided with between master core conductor 1 and screen; screen comprises the leading body screen 3 be attached to outside master core conductor 1 and the insulation screen 5 being wrapped in leading body screen 3 outer surface, is also provided with insulating barrier 4 between leading body screen 3 and insulation screen 5.Water blocking layer 6 is the composite construction of three layers, is close to screen, is semiconductor waterstop, semi-conductive buffer water-blocking band and semiconductive water steel wire mask tape from internal layer to skin successively.Protective layer is that the lead be wrapped in outside water blocking layer 6 overlaps 7 and pe sheath 8, does not closely wrap up, leave space between plumbous cover 7 and water blocking layer 6.By-pass core conductor 9 is wrapped with auxiliary-conductor screen 11, is also provided with secondary semi-conductive layer 10 between by-pass core conductor 9 and auxiliary-conductor screen 11.Because conductor is in the course of processing, defect may be produced on surface, if conductor is outer do not have semi-conductive layer, then go out can produce electric field distortion in defect, easy electrical breakdown insulation, therefore increase the surface field homogenizing that main semi-conductive layer 2 and secondary semi-conductive layer 10 can make master core conductor 1 and by-pass core conductor 9, effectively avoid insulation breakdown.
Master core conductor 1 and by-pass core conductor 9 are copper clad aluminum conductor.Master core conductor 1 and the cross section of by-pass core conductor 9 are circular, master core conductor 1 is spaced and be arranged symmetrically with by-pass core conductor 9, angle between each master core conductor 1 is 120 degree, angle between each by-pass core conductor 9 is also 120 degree, and adjacent two master core conductors 1 are tangent with by-pass core conductor 9.Master core conductor 1 is provided with filler 12 with the gap of by-pass core conductor 9, and master core conductor 1 and the periphery of by-pass core conductor 9 are also enclosed with wrapped bed course 13, total screen 14, steel wire armor layer 15, anti-corrosion asphalt layer 16 and polyvinyl chloride oversheath 17 successively.Total screen 14 adopts braided steel wire to shield or copper strip shielding, and total screen 14 is as shown in Figure 2 the webbed form of braided steel wire, and count is larger, and shield effectiveness is better.Total screen 14 ground connection.
The utility model is not limited to above-mentioned embodiment; anyone can draw other various forms of products under enlightenment of the present utility model; above-mentioned embodiment is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; do not departing under the ambit that the utility model aim and claim protect, also can make a lot of form, these all belong within protection of the present utility model.
Claims (7)
1. a six conductor cable, is characterized in that: comprise three master core conductors (1) and three by-pass core conductors (9);
Described master core conductor (1) is wrapped with screen, water blocking layer (6) and protective layer, described water blocking layer (6) is composite construction, be close to described screen, between described master core conductor (1) and described screen, be also provided with main semi-conductive layer (2);
Described by-pass core conductor (9) is wrapped with auxiliary-conductor screen (11), is also provided with secondary semi-conductive layer (10) between described by-pass core conductor (9) and described auxiliary-conductor screen (11);
Described master core conductor (1) is provided with filler (12) with the gap of described by-pass core conductor (9), and described master core conductor (1) and the periphery of described by-pass core conductor (9) are also enclosed with wrapped bed course (13), total screen (14), steel wire armor layer (15), anti-corrosion asphalt layer (16) and polyvinyl chloride oversheath (17) successively.
2. a kind of six conductor cable according to claim 1, is characterized in that: described master core conductor (1) and described by-pass core conductor (9) are copper clad aluminum conductor.
3. a kind of six conductor cable according to claim 2, it is characterized in that: the cross section of described master core conductor (1) and described by-pass core conductor (9) is for circular, and described master core conductor (1) is spaced and be arranged symmetrically with described by-pass core conductor (9).
4. a kind of six conductor cable according to claim 1, it is characterized in that: described screen comprises the insulation screen (5) being attached to the outer leading body screen (3) of described master core conductor (1) and being wrapped in described leading body screen (3) outer surface, is also provided with insulating barrier (4) between described leading body screen (3) and described insulation screen (5).
5. a kind of six conductor cable according to claim 1, is characterized in that: described water blocking layer (6) is three-decker, is semiconductor waterstop, semi-conductive buffer water-blocking band and semiconductive water steel wire mask tape from internal layer to skin successively.
6. a kind of six conductor cable according to claim 1; it is characterized in that: described protective layer is for being wrapped in the outer lead cover (7) of described water blocking layer (6) and pe sheath (8); closely do not wrap up between described lead cover (7) and described water blocking layer (6), leave space.
7. a kind of six conductor cable according to claim 1, is characterized in that: described total screen (14) adopts braided steel wire shielding or copper strip shielding, described total screen (14) ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520036418.8U CN204332468U (en) | 2015-01-09 | 2015-01-09 | A kind of six conductor cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520036418.8U CN204332468U (en) | 2015-01-09 | 2015-01-09 | A kind of six conductor cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204332468U true CN204332468U (en) | 2015-05-13 |
Family
ID=53168795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520036418.8U Expired - Fee Related CN204332468U (en) | 2015-01-09 | 2015-01-09 | A kind of six conductor cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204332468U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105761828A (en) * | 2016-04-30 | 2016-07-13 | 丹阳正联知识产权运营管理有限公司 | Two-core photovoltaic composite submarine cable with rated voltage of 220 kV |
| CN110111927A (en) * | 2019-04-26 | 2019-08-09 | 苏州市双虎科技有限公司 | A kind of ant prevention semiconductive power cable of environment-friendly type and strong hardness |
-
2015
- 2015-01-09 CN CN201520036418.8U patent/CN204332468U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105761828A (en) * | 2016-04-30 | 2016-07-13 | 丹阳正联知识产权运营管理有限公司 | Two-core photovoltaic composite submarine cable with rated voltage of 220 kV |
| CN110111927A (en) * | 2019-04-26 | 2019-08-09 | 苏州市双虎科技有限公司 | A kind of ant prevention semiconductive power cable of environment-friendly type and strong hardness |
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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: 20150513 Termination date: 20190109 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |