CN203150169U - Metal shielding cable - Google Patents
Metal shielding cable Download PDFInfo
- Publication number
- CN203150169U CN203150169U CN 201320044847 CN201320044847U CN203150169U CN 203150169 U CN203150169 U CN 203150169U CN 201320044847 CN201320044847 CN 201320044847 CN 201320044847 U CN201320044847 U CN 201320044847U CN 203150169 U CN203150169 U CN 203150169U
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- China
- Prior art keywords
- inner sheath
- core
- wrapped
- cable
- shielding layer
- Prior art date
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Abstract
The utility model discloses a metal shielding cable comprising a plurality of main wire cores, a fourth core, insulation layers, a wrapping tape, an inner sheath, a shielding layer and an outer sheath; each main wire core and the forth core are wrapped by the insulation layers; all insulation layers are wrapped by the one wrapping tape; the inner sheath wraps the wrapping tape; the inner sheath is wrapped by the outer sheath; the shielding layer is arranged between the inner sheath and the outer sheath; and the shielding layer is a rare earth filament shielding layer. The cable metal shielding cable has strong anti-electromagnetic interference feature, anti lightning stroke feature, and potential equalizing feature, and can improve power supply quality; and the cable is especially suitable for places with precision electronic and instrument devices like a computer center, a aviation spaceflight monitor center and an intelligent building.
Description
Technical field
The utility model relates to technical field of electric wires and cables, relates in particular to a kind of metal sheathed cable.
Background technology
Metal sheathed cable is by increasing metal screen layer, produce when coming the bucking current transmission electromagnetic wave and the extraneous a large amount of electromagnetic waves that exist, to reduce the operate as normal of Electromagnetic Interference electronic equipment, influence the performance of electronic equipment.Have the place of precise electronic, metering device for computer center, Aero-Space Surveillance center, intelligent building etc., also require the characteristic that has stronger anti-electromagnetic interference, anti-thunderbolt and balanced current potential, improves power supply quality for metal sheathed cable.
Summary of the invention
The purpose of this utility model provides a kind of metal sheathed cable, have stronger anti-electromagnetic interference, anti-thunderbolt and balanced current potential, improve the characteristic of power supply quality, be specially adapted to the place that computer center, Aero-Space Surveillance center, intelligent building etc. have precise electronic, metering device.
Technical solution of the present utility model is:
Metal sheathed cable comprises many master cores, four-core, insulating barrier, band, inner sheath, screen, oversheath; Described every master core and four-core are all wrapped up by the described insulating barrier of one deck, described band is one and is wrapped in whole described insulating barriers, described inner sheath is wrapped in described band, described inner sheath periphery is wrapped in oversheath, be provided with screen between described inner sheath and the described oversheath, described screen is the rare-earth wires screen.
As the further improved metal sheathed cable of the utility model, described master core is three or four.
As the further improved metal sheathed cable of the utility model, described master core and four-core are zinc-plated or the silver-plated copper conductor, and described insulating barrier is crosslinked polyethylene or polyvinyl chloride, and described inner sheath and described oversheath are polyvinyl chloride.
Metal sheathed cable provided by the utility model has stronger anti-electromagnetic interference, anti-thunderbolt and balanced current potential, improves the characteristic of power supply quality, is specially adapted to the place that computer center, Aero-Space Surveillance center, intelligent building etc. have precise electronic, metering device.
Description of drawings
Fig. 1, the structural representation of metal sheathed cable provided by the utility model.
1 core of serving as theme, 2 is four-core, and 3 is insulating barrier, and 4 is band, and 5 is inner sheath, and 6 is screen, and 7 is oversheath.
Embodiment
In order to deepen understanding of the present utility model, the utility model is done describing in further detail below in conjunction with drawings and Examples, this embodiment only is used for explaining the utility model, does not constitute the restriction to the utility model protection range.
Metal sheathed cable as shown in Figure 1 comprises many master cores 1, four-core 2, insulating barrier 3, band 4, inner sheath 5, screen 6, oversheath 7; Described every master core 1 and four-core 2 are all wrapped up by the described insulating barrier 3 of one deck, described band 4 is one and is wrapped in whole described insulating barriers 3, described inner sheath 5 is wrapped in described band 4, described inner sheath 5 peripheries are wrapped in oversheath 7, be provided with screen 6 between described inner sheath 5 and the described oversheath 7, described screen 6 is the rare-earth wires screen.
As further improvement of the utility model, described master core 1 is three or four.
As further improvement of the utility model, described master core 1 and four-core 2 are zinc-plated or the silver-plated copper conductor, and described insulating barrier 3 is crosslinked polyethylene or polyvinyl chloride, and described inner sheath 5 and described oversheath 7 are polyvinyl chloride.
Claims (3)
1. metal sheathed cable is characterized in that: comprise many master cores (1), a four-core (2), insulating barrier (3), band (4), inner sheath (5), screen (6), oversheath (7); Every described master core (1) and four-core (2) are all wrapped up by the described insulating barrier of one deck (3), described band (4) is one and is wrapped in whole described insulating barriers (3), described inner sheath (5) is wrapped in described band (4), described inner sheath (5) periphery is wrapped in oversheath (7), be provided with screen (6) between described inner sheath (5) and the described oversheath (7), described screen (6) is the rare-earth wires screen.
2. metal sheathed cable according to claim 1, it is characterized in that: described master core (1) is three or four.
3. metal sheathed cable according to claim 1, it is characterized in that: described master core (1) and four-core (2) are zinc-plated or silver-plated copper conductor, described insulating barrier (3) is crosslinked polyethylene or polyvinyl chloride, and described inner sheath (5) and described oversheath (7) are polyvinyl chloride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320044847 CN203150169U (en) | 2013-01-28 | 2013-01-28 | Metal shielding cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320044847 CN203150169U (en) | 2013-01-28 | 2013-01-28 | Metal shielding cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203150169U true CN203150169U (en) | 2013-08-21 |
Family
ID=48977678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320044847 Expired - Fee Related CN203150169U (en) | 2013-01-28 | 2013-01-28 | Metal shielding cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203150169U (en) |
-
2013
- 2013-01-28 CN CN 201320044847 patent/CN203150169U/en not_active Expired - Fee Related
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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: 20130821 Termination date: 20210128 |