CN206020743U - A kind of entirely nonmetallic flame-proof cable - Google Patents
A kind of entirely nonmetallic flame-proof cable Download PDFInfo
- Publication number
- CN206020743U CN206020743U CN201620892267.0U CN201620892267U CN206020743U CN 206020743 U CN206020743 U CN 206020743U CN 201620892267 U CN201620892267 U CN 201620892267U CN 206020743 U CN206020743 U CN 206020743U
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- CN
- China
- Prior art keywords
- mica tape
- fire
- bracing piece
- glass fibre
- loose tube
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Abstract
This utility model provides a kind of entirely nonmetallic flame-proof cable; including the mica tape of refractory heat-insulating; the glass fibre bracing piece for bearing longitudinal pulling force is provided with the mica tape; the center of circle of the glass fibre bracing piece is coincided with the center of circle of the mica tape; the Loose tube of protection optical fiber is provided between the mica tape, glass fibre bracing piece; the optical fiber of transmission signal is provided with the Loose tube; the mica tape is wrapped with the fire-retardant inner sheath of protection cable core, and the fire-retardant inner sheath is wrapped with the ceramic composite band set of refractory heat-insulating.The beneficial effects of the utility model are：There is good fire-resistance property, optical cable is made still to be kept good compressive property by after fire using ceramic composite band set simultaneously, nonmetallic structure also makes the optical cable be applicable to high electric field region entirely, the characteristics of with fire resistance rating height, all dielectric, lightweight, simple and stable structure.
Description
Technical field
This utility model is related to optical cable, more particularly to a kind of entirely nonmetallic flame-proof cable.
Background technology
In prior art, with extensive application and the high speed development of fiber optic communication, as expanding economy accelerates city
Change process, each metropolitan skyscraper in the whole world, public place, track traffic, hypogee, modernization Factory Building scale gradually increase
Greatly, how to ensure that the person, property, information security in fire, communications carrier based on optical cable have born more responsibility,
How to ensure, when there is fire, the backup that time enough carries out rescuing, completing data can be left, data are lost in
Probability be preferably minimized, maintain optical fiber constantly, that is, it is completely the most important thing to maintain circuit.
Content of the invention
In order to solve the problems of the prior art, it is preferably entirely nonmetallic resistance to that this utility model provides a kind of fire resistance
Flame cable.
This utility model provides a kind of entirely nonmetallic flame-proof cable, including the mica tape of refractory heat-insulating, the mica tape
The glass fibre bracing piece that bear longitudinal pulling force, the center of circle of the glass fibre bracing piece and the center of circle of the mica tape are inside provided with
Coincide, the Loose tube of protection optical fiber is provided between the mica tape, glass fibre bracing piece, transmission is provided with the Loose tube
The optical fiber of signal, the mica tape are wrapped with the fire-retardant inner sheath of protection cable core, and the fire-retardant inner sheath is wrapped with fire resisting
Heat-insulated ceramic composite band set, the ceramic composite band set are wrapped with the fire-retardant outer shield of protection optical cable anti-pressure and abrasion-proof
Set.
Moisture is prevented with the first of optical fiber contact as being filled with further improvement of the utility model, the Loose tube
Fine ointment.
As oily filled with the second cable for preventing optical cable infiltration in further improvement of the utility model, the mica tape
Cream.
As further improvement of the utility model, Loose tube inner side respectively with the mica tape, glass fibre
The outside of bracing piece is tangent.
As further improvement of the utility model, the Loose tube at least two along the glass fibre bracing piece
Circumferentially-spaced be uniformly arranged.
Used as further improvement of the utility model, the Loose tube has five and the week along the glass fibre bracing piece
It is uniformly arranged to interval.
Used as further improvement of the utility model, the Loose tube is PBT Loose tubes.
Used as further improvement of the utility model, the entirely nonmetallic flame-proof cable does not include metal material.
The beneficial effects of the utility model are：There is good fire-resistance property, while light is made using ceramic composite band set
Cable can still be kept good compressive property by after fire, and nonmetallic structure also makes the optical cable be applicable to high electric field area entirely
Domain, the characteristics of with fire resistance rating height, all dielectric, lightweight, simple and stable structure.
Description of the drawings
Fig. 1 is a kind of generalized section of entirely nonmetallic flame-proof cable of this utility model.
Specific embodiment
Explanation and specific embodiment are further illustrated to this utility model below in conjunction with the accompanying drawings.
Drawing reference numeral in Fig. 1 is：Optical fiber 1；First fine ointment 2；Loose tube 3；Glass fibre bracing piece 4；Second cable oil
Cream 5；Mica tape 6；Fire-retardant inner sheath 7；Ceramic composite band set 8；Fire-retardant oversheath 9.
As shown in figure 1, a kind of entirely nonmetallic flame-proof cable, including the mica tape 6 of refractory heat-insulating, sets in the mica tape 6
There are the glass fibre bracing piece 4 for bearing longitudinal pulling force, the center of circle of the glass fibre bracing piece 4 and the center of circle of the mica tape 6
Coincide, the Loose tube 3 of protection optical fiber is provided between the mica tape 6, glass fibre bracing piece 4, is provided with the Loose tube 3
The optical fiber 1 of transmission signal, the mica tape outer 6 are enclosed with the fire-retardant inner sheath 7 of protection cable core, 7 outsourcing of fire-retardant inner sheath
It is wrapped with the ceramic composite band set 8 of refractory heat-insulating, ceramic composite band set 8 is wrapped with protection optical cable anti-pressure and abrasion-proof
Fire-retardant oversheath 9.
As shown in figure 1, filled with the first fine ointment 2 for preventing moisture from contacting with optical fiber 1 in the Loose tube 3.
As shown in figure 1, filled with the second cable ointment 5 for preventing optical cable from seeping water in the mica tape 6.
As shown in figure 1, the inner side respectively with the mica tape 6 of the Loose tube 3, the outside phase of glass fibre bracing piece 4
Cut.
As shown in figure 1, the Loose tube 3 at least two along the circumferentially-spaced uniform of the glass fibre bracing piece 4
Arrange.
As shown in figure 1, the Loose tube 3 has five and is uniformly arranged along the circumferentially-spaced of glass fibre bracing piece 4.
As shown in figure 1, the Loose tube 3 is PBT（Polybutylene terephthalate (PBT)）Loose tube.
As shown in figure 1, the entirely nonmetallic flame-proof cable does not include metal material.
A kind of entirely nonmetallic flame-proof cable that this utility model is provided, not only embodies the fire-resistance property of the optical cable, while
Optical cable is made still to be kept good compressive property by after fire using ceramic polyolefine material, nonmetallic structure also makes entirely
The optical cable can be received to be used for high electric field region；This utility model optical cable has fire resistance rating height, all dielectric, lightweight, simple structure
Stable the features such as.
A kind of entirely nonmetallic flame-proof cable that this utility model is provided, can be laid in and there is the higher place of disaster hidden-trouble,
Nonmetallic structure also enables the optical cable by the place for there is highfield entirely；Simultaneously compound containing ceramic in the optical cable
Band, this material is by the ceramic protective layer that can form one layer of hardening after fire, it is ensured that as few by fire as possible inside ceramic layer
Affect, the ceramic composite band adopts around-packing technology, is hardened by ceramic composite band after fire, optical cable is still kept in a fire
Lateral pressure resistant, after ceramic composite band forms duricrust, preferably can protect optical fiber, and when making generation fire, communication system is unlikely to
Rapid interruption.
Above content is with reference to specific preferred implementation further detailed description of the utility model, it is impossible to
Identification is of the present utility model to be embodied as being confined to these explanations.Ordinary skill for this utility model art
For personnel, without departing from the concept of the premise utility, some simple deduction or replace can also be made, should be all regarded
For belonging to protection domain of the present utility model.
Claims (7)
1. a kind of entirely nonmetallic flame-proof cable, it is characterised in that：Including the mica tape of refractory heat-insulating, it is provided with the mica tape and holds
By the glass fibre bracing piece of longitudinal pulling force, the center of circle of the glass fibre bracing piece is coincided with the center of circle of the mica tape,
The Loose tube of protection optical fiber is provided between the mica tape, glass fibre bracing piece, is provided with transmission signal in the Loose tube
Optical fiber, the mica tape are wrapped with the fire-retardant inner sheath of protection cable core, and the fire-retardant inner sheath is wrapped with refractory heat-insulating
Ceramic composite band set, the ceramic composite band set are wrapped with the fire-retardant oversheath of protection optical cable anti-pressure and abrasion-proof.
2. entirely nonmetallic flame-proof cable according to claim 1, it is characterised in that：Filled with prevention water in the Loose tube
Divide and the first of optical fiber contact the fine ointment.
3. entirely nonmetallic flame-proof cable according to claim 2, it is characterised in that：Being filled with the mica tape prevents light
Second cable ointment of cable infiltration.
4. entirely nonmetallic flame-proof cable according to claim 1, it is characterised in that：The Loose tube respectively with the Muscovitum
The inner side of band, glass fibre bracing piece outside tangent.
5. entirely nonmetallic flame-proof cable according to claim 1, it is characterised in that：The Loose tube at least two edge
The circumferentially-spaced of glass fibre bracing piece is uniformly arranged.
6. entirely nonmetallic flame-proof cable according to claim 1, it is characterised in that：The Loose tube is PBT Loose tubes.
7. entirely nonmetallic flame-proof cable according to claim 1, it is characterised in that：The entirely nonmetallic flame-proof cable is not wrapped
Metal-containing material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620892267.0U CN206020743U (en) | 2016-08-17 | 2016-08-17 | A kind of entirely nonmetallic flame-proof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620892267.0U CN206020743U (en) | 2016-08-17 | 2016-08-17 | A kind of entirely nonmetallic flame-proof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206020743U true CN206020743U (en) | 2017-03-15 |
Family
ID=58248853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620892267.0U Active CN206020743U (en) | 2016-08-17 | 2016-08-17 | A kind of entirely nonmetallic flame-proof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206020743U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022033329A1 (en) * | 2020-08-12 | 2022-02-17 | 烽火通信科技股份有限公司 | Fully dry non-metal flame-retardant and fire-resistant optical cable |
-
2016
- 2016-08-17 CN CN201620892267.0U patent/CN206020743U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022033329A1 (en) * | 2020-08-12 | 2022-02-17 | 烽火通信科技股份有限公司 | Fully dry non-metal flame-retardant and fire-resistant optical cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |