CN205539620U - Optical cable electromagnetic shield sheath - Google Patents
Optical cable electromagnetic shield sheath Download PDFInfo
- Publication number
- CN205539620U CN205539620U CN201620094064.7U CN201620094064U CN205539620U CN 205539620 U CN205539620 U CN 205539620U CN 201620094064 U CN201620094064 U CN 201620094064U CN 205539620 U CN205539620 U CN 205539620U
- Authority
- CN
- China
- Prior art keywords
- layer
- sheath
- optical cable
- oversheath
- electromagnetic shielding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides an optical cable electromagnetic shield sheath, including inner sheath layer, filling layer, oversheath layer and resistant oxide film layer, the parcel has the filling layer outside the inner sheath layer, and the outer parcel of filling layer has the oversheath layer, is equipped with resistant oxide film layer outside the oversheath layer, and the inner sheath layer is the PE plastics, and the oversheath layer is the PVC plastics, and the filling layer distributes for the copper wire is crisscross and forms. The utility model provides an optical cable has excellent electromagnetic shield effect, through ceramic fibre's packing, the crushing resistance of the sheath that has increased, simultaneously, this sheath is divided into inner sheath layer and oversheath layer, furtherly has improved the intensity of sheath, plays the guard action to the optical cable, in addition, improved the sheath corrosion resisting property, be able to bear or endure oxidizability and life.
Description
Technical field
The utility model relates to cable jacket technical field, is specifically related to a kind of optical cable electromagnetic shielding sheath.
Background technology
Optical cable application in existing communication network widely, but owing to the intensity of optical cable itself is poor, typically will use outside optical cable plastic protecting casing in addition to protect.Plastic protecting casing installs additional when cable runs is constructed, and the most first plastic protecting casing is embedded in underground, wears cable of giving out light the most again inside protecting pipe.In radio art, a lot of occasions are required for using wire transmission signal, but, cable, when receiving outside electromagnetic interference, can produce impact to the signal transmitted, so wire must be carried out electromagnetic shielding process.Existing wire is generally on single core around insulating barrier and electro-magnetic screen layer, but, this wire not only can not shield electromagnetic interference completely, and the electromagnetic interference that always there are some high frequencies penetrates screen layer, so anti-electromagnetic interference capability is poor, so needing a kind of sheath with electromagnetic shielding.
Meanwhile, the optical cable normal phase is embedded in underground, the weatherability to sheath, and crushing resistance and intensity and corrosion resistance have the highest requirement.Therefore, for the problems referred to above, the utility model proposes a kind of new technical scheme.
Utility model content
The purpose of this utility model is to provide a kind of has good intensity, and corrosion resistance is strong, the optical cable electromagnetic shielding sheath of good weatherability.
The utility model is achieved through the following technical solutions:
A kind of optical cable electromagnetic shielding sheath, including inner restrictive coating, packed layer, external sheath layer and oxide-resistant film layer, described inner restrictive coating is wrapped with packed layer, described packed layer is wrapped with external sheath layer, described external sheath layer is externally provided with oxide-resistant film layer, described inner restrictive coating is PE plastics, and described external sheath layer is PVC plastic, and described packed layer is that copper wire is interspersed and forms.
Further, described packed layer is evenly distributed with several fiber obturators in being.
Further, described oxide-resistant film layer is that Nano Silver is polymerized.
Further, described fiber obturator is ceramic fibre.
The beneficial effects of the utility model are: the optical cable that the utility model is proposed has the effectiveness of excellence; by the filling of ceramic fibre; the crushing resistance of the sheath added; simultaneously; this sheath is divided into inner restrictive coating and external sheath layer, further increasing the intensity of sheath, plays the protective effect to optical cable; and, improve the decay resistance of sheath, oxidation resistent susceptibility and service life.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Wherein: 1, inner restrictive coating, 2, packed layer, 3, external sheath layer, 4, oxide-resistant film layer, 5, fiber obturator.
Detailed description of the invention
Illustrate below in conjunction with the accompanying drawings to be described further the most practical.
As shown in Figure 1, a kind of optical cable electromagnetic shielding sheath, including inner restrictive coating 1, packed layer 2, external sheath layer 3 and oxide-resistant film layer 4, inner restrictive coating 1 is wrapped with packed layer 2, packed layer 2 is wrapped with external sheath layer 3, and external sheath layer 3 is externally provided with oxide-resistant film layer 4, and inner restrictive coating 1 is PE plastics, external sheath layer 3 is PVC plastic, and packed layer 2 is interspersed for copper wire and forms.
In the present embodiment, it is evenly distributed with several fiber obturators in packed layer 2, between the copper wire being interspersed, is evenly distributed with fiber obturator, improve the shock resistance of sheath, it is ensured that the effect to electromagnetic shielding.
In the present embodiment, oxide-resistant film layer 4 is polymerized for Nano Silver, is effectively improved the oxidation resistent susceptibility of sheath, and decay resistance.
In the present embodiment, fiber obturator 5 is ceramic fibre.
The optical cable that the utility model is proposed has the effectiveness of excellence; by the filling of ceramic fibre; the crushing resistance of the sheath added; simultaneously; this sheath is divided into inner restrictive coating and external sheath layer, further increasing the intensity of sheath, plays the protective effect to optical cable; and, improve the decay resistance of sheath, oxidation resistent susceptibility and service life.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalent structure utilizing the utility model specification and accompanying drawing content to be made or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, the most in like manner it is included in scope of patent protection of the present utility model.
Claims (4)
1. an optical cable electromagnetic shielding sheath, including inner restrictive coating, packed layer, external sheath layer and oxide-resistant film layer, it is characterized in that: described inner restrictive coating is wrapped with packed layer, described packed layer is wrapped with external sheath layer, described external sheath layer is externally provided with oxide-resistant film layer, described inner restrictive coating is PE plastics, and described external sheath layer is PVC plastic, and described packed layer is that copper wire is interspersed and forms.
A kind of optical cable electromagnetic shielding sheath, it is characterised in that: it is evenly distributed with several fiber obturators in described packed layer.
A kind of optical cable electromagnetic shielding sheath, it is characterised in that: described oxide-resistant film layer is that Nano Silver is polymerized.
A kind of optical cable electromagnetic shielding sheath, it is characterised in that: described fiber obturator is ceramic fibre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620094064.7U CN205539620U (en) | 2016-01-29 | 2016-01-29 | Optical cable electromagnetic shield sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620094064.7U CN205539620U (en) | 2016-01-29 | 2016-01-29 | Optical cable electromagnetic shield sheath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205539620U true CN205539620U (en) | 2016-08-31 |
Family
ID=56774339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620094064.7U Expired - Fee Related CN205539620U (en) | 2016-01-29 | 2016-01-29 | Optical cable electromagnetic shield sheath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205539620U (en) |
-
2016
- 2016-01-29 CN CN201620094064.7U patent/CN205539620U/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 |
Granted publication date: 20160831 Termination date: 20200129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |