CN201600479U - Indoor and outdoor dual-purpose optical cable - Google Patents
Indoor and outdoor dual-purpose optical cable Download PDFInfo
- Publication number
- CN201600479U CN201600479U CN2010201153868U CN201020115386U CN201600479U CN 201600479 U CN201600479 U CN 201600479U CN 2010201153868 U CN2010201153868 U CN 2010201153868U CN 201020115386 U CN201020115386 U CN 201020115386U CN 201600479 U CN201600479 U CN 201600479U
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- Prior art keywords
- optical cable
- indoor
- outdoor
- dual
- cable
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Abstract
An indoor and outdoor dual-purpose optical cable comprises a cable core and an outer protective layer, wherein the outer protective layer is coated outside the cable core. The indoor and outdoor dual-purpose optical cable is characterized in that the outer protective layer sequentially comprises a longitudinal wrapping metal belt, a flame-retardant sheath and a polyethylene sheath from inside to outside, and two rip cords are further disposed between the flame-retardant sheath and the polyethylene sheath. Compared with the prior art, the indoor and outdoor dual-purpose optical cable has the advantages that the dual-purpose optical cable has all property indexes of common outdoor overhead optical cables for pipelines before removing the outer polyethylene sheath, can be utilizes as an outdoor optical cable, becomes an incoming or indoor optical cable with flame-retardant property after the outer polyethylene sheath is removed, can be used without a connector, greatly simplifies optical cable laying construction, and greatly reduces optical cable laying construction cost.
Description
Technical field
The utility model relates to a kind of optical cable, more specifically to a kind of dual-purpose optical cable in indoor and outdoor that can be applicable to indoor and outdoors simultaneously.
Background technology
Optical cable in use enters the optical cable of machine room or indoor use and is requiring to be very different at the optical cable of outdoor application.
The optical cable of outdoor application requires optical cable to have block-water performance and anti-outdoor environment performance, and the optical cable that enters machine room or indoor use requires optical cable then to have flame-retarding characteristic.
When with optical cable from outdoor introducing when indoor, existing outdoor optical cable and inside cable need couple together and could use by joint, this makes that the cable laying operation of optical cable is very complicated, has significantly strengthened the cable laying operation cost of optical cable.
Summary of the invention
The purpose of this utility model is that prior art is improved, and provides a kind of indoor and outdoor dual-purpose optical cable, can be applicable to indoor and outdoors simultaneously, and the technical scheme of employing is as follows:
The dual-purpose optical cable in a kind of indoor and outdoor of the present utility model, comprise cable core and outer jacket, outer jacket is wrapped in outside the cable core, it is characterized in that: described outer jacket comprises vertical bag metal tape, fire retardant jacket, pe sheath from the inside to the outside successively, and also is provided with two between fire retardant jacket and the pe sheath and tears rope.Described vertical bag metal tape makes optical cable have humidity resistance and certain bearing capacity preferably.Behind the pe sheath of peeling outer layer, described fire retardant jacket becomes optical cable can be at fire-retardant cable indoor and that Incoming uses.The described rope of tearing between fire retardant jacket and pe sheath makes that tearing rope by these two of tearings can peel off the outer layer polyethylene sheath easily, makes optical cable change into indoor and the Incoming fire-retardant cable by common outdoor optical cable.
When optical cable has higher pulling force to require, be provided with the nonmetal auxiliary enhancement Layer of one deck between described fire retardant jacket and pe sheath, tear rope between nonmetal auxiliary enhancement Layer and pe sheath.
A kind of preferable scheme, described two central shaft symmetries of tearing the relative cable core of rope.Can be easier to tear outer field pe sheath like this.
A kind of preferable scheme, described nonmetal auxiliary enhancement Layer is glass fiber tape or aramid fiber yarn.
Described vertical bag metal tape is steel band or aluminium strip.
Described cable core can be the common loose jacket layer structure that tangles, and also can be optical fiber belt structure or the tight sleeve layer structure that tangles that tangles.
Described cable core can be dry type, half dry type or filled type.
Be added with the assembly that blocks water in the described cable core, the assembly that blocks water can be ointment, water blocking yarn or waterstop, and these assemblies that block water can guarantee vertical block-water performance of optical cable, thereby allows optical cable can be applicable to outdoor environment.
Reinforcement in the described cable core can be a metal, also can be nonmetal.
The outermost layer pe sheath makes optical cable have good weather resistance, makes optical cable have the performance of common outdoor built on stilts, duct optical cable with the metal tape of vertical bag and the assembly acting in conjunction that blocks water in the cable core.
The utility model beneficial effect against existing technologies is, optical cable has common outdoor built on stilts, pipeline optical cable all properties index when not peelling off the outer layer polyethylene restrictive coating, can be used as outdoor optical cable uses, after peelling off the outer layer polyethylene sheath, just become Incoming or indoor optical cable with fire resistance, therefore need not to connect use, significantly simplified the cable laying operation of optical cable, significantly reduced the cable laying operation cost of optical cable by joint.
Description of drawings
Fig. 1 is the structural representation of the utility model preferred embodiment;
Fig. 2 is the structural representation of preferred embodiment cable core shown in Figure 1.
Embodiment
As shown in Figure 1, 2, the dual-purpose optical cable in a kind of indoor and outdoor in this preferred embodiment, comprise cable core 1 and outer jacket, outer jacket is wrapped in outside the cable core 1, described outer jacket comprises vertical bag metal tape 2, fire retardant jacket 3, nonmetal auxiliary enhancement Layer 6, pe sheath 5 from the inside to the outside successively, and also is provided with two between nonmetal auxiliary enhancement Layer 6 and the pe sheath 5 and tears and restrict 4.
Described vertical bag metal tape 2 makes optical cable have humidity resistance and certain bearing capacity preferably.Behind the pe sheath 5 and nonmetal auxiliary enhancement Layer 6 of peeling outer layer, described fire retardant jacket 3 becomes optical cable can be at fire-retardant cable indoor and that Incoming uses.The described rope 4 of tearing 5 of fire retardant jacket 3 and pe sheaths makes that tearing rope 4 by these two of tearings can peel off outer field pe sheath 5 easily, makes optical cable change fire-retardant cable indoor and that Incoming is used into by common outdoor optical cable.
Described vertical bag metal tape 2 is an aluminium strip.
Described two central shaft symmetries of tearing rope 4 relative cable cores 1.
Described nonmetal auxiliary enhancement Layer 6 is a glass fiber tape.
Described cable core 1 comprises outermost water blocking layer 104 and is positioned at a plurality of cable core assemblies of water blocking layer: 102,4 gasket for packings of reinforcement 105, two tight tube fibers 101 (tight sleeve layer tangle structure), water blocking yarn 103 of outside surface winding of reinforcement 102.Described water blocking layer 104 is the yang edema band.
Claims (8)
1. dual-purpose optical cable in indoor and outdoor, comprise cable core and outer jacket, outer jacket is wrapped in outside the cable core, it is characterized in that: described outer jacket comprises vertical bag metal tape, fire retardant jacket, pe sheath from the inside to the outside successively, and also is provided with two between fire retardant jacket and the pe sheath and tears rope.
2. the dual-purpose optical cable in indoor and outdoor as claimed in claim 1 is characterized in that: also be provided with the nonmetal auxiliary enhancement Layer of one deck between described fire retardant jacket and pe sheath, tear rope between nonmetal auxiliary enhancement Layer and pe sheath.
3. the dual-purpose optical cable in indoor and outdoor as claimed in claim 2 is characterized in that: described nonmetal auxiliary enhancement Layer is glass fiber tape or aramid fiber yarn.
4. the dual-purpose optical cable in indoor and outdoor as claimed in claim 1 is characterized in that: described vertical bag metal tape is steel band or aluminium strip.
5. as any dual-purpose optical cable in described indoor and outdoor among the claim 1-4, it is characterized in that: described two central shaft symmetries of tearing the relative cable core of rope.
6. the dual-purpose optical cable in indoor and outdoor as claimed in claim 1 is characterized in that: described cable core is loose jacket layer structure, optical fiber belt structure or the tight sleeve layer structure that tangles that tangles that tangles.
7. the dual-purpose optical cable in indoor and outdoor as claimed in claim 6 is characterized in that: described cable core is dry type, half dry type or filled type.
8. the dual-purpose optical cable in indoor and outdoor as claimed in claim 6 is characterized in that: be added with the assembly that blocks water in the described cable core, the assembly that blocks water is ointment, water blocking yarn or waterstop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201153868U CN201600479U (en) | 2010-02-03 | 2010-02-03 | Indoor and outdoor dual-purpose optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201153868U CN201600479U (en) | 2010-02-03 | 2010-02-03 | Indoor and outdoor dual-purpose optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201600479U true CN201600479U (en) | 2010-10-06 |
Family
ID=42811543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201153868U Expired - Fee Related CN201600479U (en) | 2010-02-03 | 2010-02-03 | Indoor and outdoor dual-purpose optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201600479U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472552A (en) * | 2013-09-30 | 2013-12-25 | 南京烽火藤仓光通信有限公司 | Optical cable |
-
2010
- 2010-02-03 CN CN2010201153868U patent/CN201600479U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472552A (en) * | 2013-09-30 | 2013-12-25 | 南京烽火藤仓光通信有限公司 | Optical cable |
| CN103472552B (en) * | 2013-09-30 | 2016-01-20 | 南京华信藤仓光通信有限公司 | A kind of optical cable |
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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: 20101006 Termination date: 20150203 |
|
| EXPY | Termination of patent right or utility model |