CN203444863U - Anti-electromagnetic interference ship category seven communication cable - Google Patents
Anti-electromagnetic interference ship category seven communication cable Download PDFInfo
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- CN203444863U CN203444863U CN201320433675.6U CN201320433675U CN203444863U CN 203444863 U CN203444863 U CN 203444863U CN 201320433675 U CN201320433675 U CN 201320433675U CN 203444863 U CN203444863 U CN 203444863U
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Abstract
The utility model discloses an anti-electromagnetic interference ship category seven communication cable. The cable comprises eight copper wires; any two of the eight copper wires are combined to form four twisted pairs; four first single-face aluminum foil layers coat the first twisted pair, the second twisted pair, the third twisted pair and the fourth twisted pair respectively; a polyester belt layer coats the four twisted pairs; a second single-face aluminum foil layer coats the polyester belt layer; a polyvinylchloride inner protection layer coats the outer surface of the second single-face aluminum foil layer; a polytetrafluoroethylene outer protection layer coats the outer surface of the polyvinylchloride inner protection layer; a tinned copper wire braided layer is arranged between the polyvinylchloride inner protection layer and the polytetrafluoroethylene outer protection layer; and cotton thread is filled between the polyester belt layer and the four twisted pairs. The anti-electromagnetic interference ship category seven communication cable has the advantages of effectively eliminating electromagnetic induction of the digital cable itself, reducing the electromagnetic interference to the surrounding cables, ensuring stable transmission performance of the cable and at the same time prolongs the service life of the cable.
Description
Technical field
The utility model relates to a kind of seven class cables, relates in particular to a kind of boats and ships 7 class communication cables of anti-electromagnetic interference.
Background technology
The sheath of cable: common maritime affairs adopt conventional PVC(polyvinyl chloride with data cable) or PE(polyethylene) sheath.Due to conventionally on maritime affairs ship; it is larger that hull is affected by external environment and ocean climate; particularly can be regular run under the mal-conditions such as rolling, trim and temperature acute variation, salinity, solar radiation; this protective layer is not only because the impact of environment for use causes its useful life very short; and due to regular rolling, trim; cause anti-external force damage ability to decline, cannot guarantee the accuracy of transfer of data.
The screen of cable: the unshielded layer of the transmission unit of common maritime affairs data cable peculiar to vessel (unit group), can not be applicable to the occasion that jamming performance is had relatively high expectations.
Due to the said structure limitation of cable, adding upper hull, affected by external environment and ocean climate larger, and narrow space in boats and ships in addition, and various kinds of equipment is intensive, various cable boundlings lay generation galvanomagnetic effect severe jamming the stable transfer of signal in conductor.And maritime affairs ship is when maintenance, recovery cable, be easy to affect because force-extension is crooked its serviceability.
Summary of the invention
The utility model provides a kind of boats and ships 7 class communication cables of anti-electromagnetic interference, these boats and ships 7 class communication cables have effectively been eliminated the electromagnetic induction of digital cable self, reduced the electromagnetic interference of cable around, also improved the impact of cable opposing due to mal-conditions such as temperature acute variation, salinity, solar radiations, when guaranteeing the stable transmission performance of cable, extended the life-span that cable is used.
For achieving the above object, the technical solution adopted in the utility model is: a kind of boats and ships 7 class communication cables of anti-electromagnetic interference, comprise eight copper conductors, and this copper conductor is all covered with the polyethylene layer as insulating barrier outward; In described eight copper conductors, two copper conductors form the first strand to line, and two copper conductors form the second strand to line, and two copper conductors form the 3rd strand to line, and two copper conductors form the 4th strand to line;
Four the first one side aluminium foil layers are coated on respectively described the first strand line, the second strand are twisted line line and the 4th line, the 3rd strand;
Polyester belt is coated on described four strands to line;
One second one side aluminium foil layer is coated on described polyester belt;
Polyvinyl chloride sheath is coated on described the second one side aluminium foil layer outer surface;
Polytetrafluoroethylene outer jacket is coated on described polyvinyl chloride sheath outer surface;
Between described polyvinyl chloride sheath and polytetrafluoroethylene outer jacket, be provided with tincopper fuse wire braided armor;
Described polyester belt and the first strand are twisted being filled with cotton thread between line line and the 4th line, the 3rd strand line, the second strand.
In technique scheme, further improved technical scheme is as follows:
In such scheme, described polyvinyl chloride sheath and polytetrafluoroethylene outer jacket Thickness Ratio are 1:0.5 ~ 0.8.
Because technique scheme is used, the utility model compared with prior art has following advantages:
1. the boats and ships 7 class communication cables of the anti-electromagnetic interference of the utility model, between its polyvinyl chloride sheath and polytetrafluoroethylene outer jacket, be provided with tincopper fuse wire braided armor, effectively eliminated the electromagnetic induction of digital cable self, reduced the electromagnetic interference of cable around, also improved the impact of cable opposing due to mal-conditions such as temperature acute variation, salinity, solar radiations, when guaranteeing the stable transmission performance of cable, extended the life-span that cable is used, reduce maintenance and the maintenance frequency of warship with data cable, there is promotion prospect widely;
2. the boats and ships 7 class communication cables of the anti-electromagnetic interference of the utility model, its restrictive coating is comprised of polyvinyl chloride sheath and the polytetrafluoroethylene outer jacket that is positioned at its outer surface, has very large tensile strength, improves the useful life of cable; Secondly, its polyester belt with the first strand to line, the second strand to line, the 3rd strand to line, the 4th strand to being filled with some cotton threads between line, the tight sturdy support of cable, to avoid wire rod to cause the phenomenon of flattening when the complications, has improved roundness.
Accompanying drawing explanation
Accompanying drawing 1 is the boats and ships 7 class communication cable structural representations of the anti-electromagnetic interference of the utility model.
In above accompanying drawing: 1, copper conductor; 2, polyethylene layer; 3, the first strand is to line; 4, the second strand is to line; 5, the 3rd strand is to line; 6, the 4th strand is to line; 7, polytetrafluoroethylene outer jacket; 8, polyester belt; 9, the second one side aluminium foil layer; 10, tincopper fuse wire braided armor; 11, polyvinyl chloride sheath; 12, the first one side aluminium foil layer; 13, cotton thread.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described:
Embodiment: a kind of boats and ships 7 class communication cables of anti-electromagnetic interference, comprise eight copper conductors 1, this copper conductor 1 is all covered with the polyethylene layer 2 as insulating barrier outward; In described eight copper conductors 1, two copper conductor 1 compositions first twist 3, two copper conductors composition the second strands of line are twisted 5, two copper conductors compositions the 4th of line are twisted line 64, two copper conductors compositions the 3rd of line;
Four the first one side aluminium foil layers 12 are coated on respectively described the first strand line 3, the second strand are twisted line 6 line 5 and the 4th line 4, the 3rd strand, and polyester belt 8 is coated on described four strands to line;
One second one side aluminium foil layer 9 is coated on described polyester belt 8;
Polytetrafluoroethylene outer jacket 7 is coated on described polyvinyl chloride sheath 11 outer surfaces;
Between described polyvinyl chloride sheath 11 and polytetrafluoroethylene outer jacket 7, be provided with tincopper fuse wire braided armor 10.
Described polyester belt 8 and the first strand are twisted being filled with cotton thread 13 between line 6 line 5 and the 4th line 4, the 3rd strand line 3, the second strand.
Above-mentioned polyvinyl chloride sheath 11 and polytetrafluoroethylene outer jacket 7 Thickness Ratios are 1:0.5 ~ 0.8.
Polytetrafluoroethylene outer jacket 7 is coated on described polyvinyl chloride sheath 11; This materials'use has good thermally-stabilised and mechanical wear-resisting electrical insulation capability, can anti-strong acid and strong base, corrosion-resistant, fire-resistantly do not fire, the high and low cigarette Halogen of oxygen index, non-ageing PTFE(F4) polytetrafluoroethylmaterial material;
PVDF(F26) fluoroplastics material the key technical indexes:
Long-term serviceability temperature-200 ~ 260 degree, has remarkable chemical resistance;
Noninflammability: limited oxygen index is below 90.
While adopting the boats and ships 7 class communication cable of above-mentioned anti-electromagnetic interference, between its polyvinyl chloride sheath and polytetrafluoroethylene outer jacket, be provided with tincopper fuse wire braided armor, effectively eliminated the electromagnetic induction of digital cable self, reduced the electromagnetic interference of cable around, also improved the impact of cable opposing due to mal-conditions such as temperature acute variation, salinity, solar radiations, when guaranteeing the stable transmission performance of cable, extended the life-span that cable is used, reduce maintenance and the maintenance frequency of warship with data cable, there is promotion prospect widely; Secondly, its restrictive coating is comprised of polyvinyl chloride sheath and the polytetrafluoroethylene outer jacket that is positioned at its outer surface, has very large tensile strength, improves the useful life of cable; Again, its polyester belt and the first strand to line, the second strand to line, the 3rd strand to line, the 4th strand to being filled with some cotton threads between line, closely sturdy support of cable, to avoid wire rod to cause the phenomenon of flattening when the complications, has improved roundness.
Above-described embodiment is only explanation technical conceive of the present utility model and feature, and its object is to allow person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection range of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, within all should being encompassed in protection range of the present utility model.
Claims (2)
1. boats and ships 7 class communication cables for anti-electromagnetic interference, is characterized in that: comprising: eight copper conductors (1), and this copper conductor (1) is all outer is covered with the polyethylene layer (2) as insulating barrier; In described eight copper conductors (1), two copper conductors (1) form the first strand to line (3), and two copper conductors form the second strand to line (4), and two copper conductors form the 3rd strand to line (5), and two copper conductors form the 4th strand to line (6);
Four the first one side aluminium foil layers (12) are coated on respectively described the first strand line (3), the second strand are twisted line (6) line (5) and the 4th line (4), the 3rd strand, and polyester belt (8) is coated on described four strands to line;
One second one side aluminium foil layer (9) is coated on described polyester belt (8);
Polyvinyl chloride sheath (11) is coated on described the second one side aluminium foil layer (9) outer surface;
Polytetrafluoroethylene outer jacket (7) is coated on described polyvinyl chloride sheath (11) outer surface;
Between described polyvinyl chloride sheath (11) and polytetrafluoroethylene outer jacket (7), be provided with tincopper fuse wire braided armor (10);
Described polyester belt (8) and the first strand are twisted being filled with cotton thread (13) between line (6) line (5) and the 4th line (4), the 3rd strand line (3), the second strand.
2. the boats and ships 7 class communication cables of anti-electromagnetic interference according to claim 1, is characterized in that: described polyvinyl chloride sheath (11) and polytetrafluoroethylene outer jacket (7) Thickness Ratio are 1:0.5 ~ 0.8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320433675.6U CN203444863U (en) | 2013-07-19 | 2013-07-19 | Anti-electromagnetic interference ship category seven communication cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320433675.6U CN203444863U (en) | 2013-07-19 | 2013-07-19 | Anti-electromagnetic interference ship category seven communication cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203444863U true CN203444863U (en) | 2014-02-19 |
Family
ID=50095891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320433675.6U Expired - Lifetime CN203444863U (en) | 2013-07-19 | 2013-07-19 | Anti-electromagnetic interference ship category seven communication cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203444863U (en) |
-
2013
- 2013-07-19 CN CN201320433675.6U patent/CN203444863U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140219 |