CN203150228U - Fireproof flame retardant flexible cable - Google Patents
Fireproof flame retardant flexible cable Download PDFInfo
- Publication number
- CN203150228U CN203150228U CN 201320087987 CN201320087987U CN203150228U CN 203150228 U CN203150228 U CN 203150228U CN 201320087987 CN201320087987 CN 201320087987 CN 201320087987 U CN201320087987 U CN 201320087987U CN 203150228 U CN203150228 U CN 203150228U
- Authority
- CN
- China
- Prior art keywords
- layer
- cable
- mica tape
- flame retardant
- fire
- 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
Links
Abstract
The utility model discloses a fireproof flame retardant flexible cable, comprising a plurality of groups of conductors. Each group of conductors is wrapped by a composite fireproof layer, an insulating layer and a slip layer in sequence to form an insulation core; a first mica tape, a fireproof inorganic short fiber bonding layer and a winding and cladding layer are wrapped outside the composite fireproof layer in sequence from interior to exterior; a plurality of insulation cores are intertwisted to form a cable core; the cable core is covered with a second mica tape; the second mica tape is wrapped by an inner sheath and an outer sheath; and a filling layer is arranged between the cable core and the second mica tape. According to the fireproof flame retardant flexible cable, the composite fireproof layer and the second mica tape are employed, duel-layer fireproof protection is provided for the cable, the fireproof performance of the cable is enhanced, the usage safety when the cable is burned at high temperature is guaranteed, the insulating layer is wrapped by the slip layer, thereby good slip performance among insulation cores is provided, bending is convenient, deformation is not easy to happen, and the service life of the cable is prolonged.
Description
Technical field
The utility model relates to the electric wire field, is specially a kind of fire resistant flame retardant flexible cable.
Background technology
Along with the fast development of power industry, urban construction, all trades and professions are more and more higher to the requirement of cable.The employing that traditional cable is more the structure of thermal insulation difference, not flame resistant calcination.Therefore; when breaking out of fire; the not flame resistant baking of this class cable; be difficult to isolated flame, so flame these protective layers that are easy to ablate, make cable directly be subjected to the calcination of flame; cause cable can not work because of short circuit; and common cable is difficult for bending, is subjected to bending to influence easy deformation, causes shorten the useful life of cable.
The utility model content
The purpose of this utility model provides a kind of fire resistant flame retardant cable, not good to solve cable fire resistance traditional in the prior art, cause cable short circuit easily and cisco unity malfunction when being subjected to the flame calcination, and be difficult for bending, be subjected to bending to influence easy deformation, the problem that useful life is short.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of fire resistant flame retardant flexible cable, include the array conductor, it is characterized in that: every group of conductor all is coated with composite fire layer, insulating barrier and glide lamella outward successively, and formation insulated wire cores, described composite fire layer is followed successively by first mica tape, fire-resistant inorganic short fiber adhesive-layer and lapping layer from inside to outside, the stranded formation cable core of several insulated wire cores, described cable core is coated with second mica tape, described second mica tape is coated with inner sheath and oversheath outward successively, is provided with packed layer between described cable core and second mica tape.
Described a kind of fire resistant flame retardant flexible cable is characterized in that: described fire-resistant inorganic short fiber adhesive-layer adopts polycrystal alumina or polycrystalline mullite short fiber to make.
Described a kind of fire resistant flame retardant flexible cable is characterized in that: described glide lamella is the macromolecule material film layer of low-friction coefficient.
Described a kind of fire resistant flame retardant flexible cable is characterized in that: described oversheath adopts acrylonitrile-butadiene rubber to make.
The beneficial effects of the utility model are:
The utility model is simple in structure, adopts the design of composite fire layer and second mica tape, for cable provides double-deck refractory protection, has promoted the fire resistance of cable effectively, has guaranteed the use safety of cable when being subjected to high temperature sintering; Employing coats the design of glide lamella outside insulating barrier, make to have good slipping property between each insulated wire cores, and convenience bends, and not yielding, has prolonged the useful life of cable.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, a kind of fire resistant flame retardant flexible cable, include array conductor 1, every group of conductor 1 outer composite fire layer, insulating barrier 5 and glide lamella 6 of all being coated with successively, and formation insulated wire cores, the composite fire layer is followed successively by first mica tape 2, fire-resistant inorganic short fiber adhesive-layer 3 and lapping layer 4 from inside to outside, the stranded formation cable core of several insulated wire cores, cable core is coated with second mica tape 7, be coated with inner sheath 8 and oversheath 9 successively outside second mica tape 7, be provided with packed layer 10 between cable core and second mica tape 7.
Fire-resistant inorganic short fiber adhesive-layer 3 adopts polycrystal alumina or polycrystalline mullite short fiber to make, and glide lamella 6 is the macromolecule material film layer of low-friction coefficient, and oversheath 9 adopts acrylonitrile-butadiene rubber to make.
Claims (4)
1. fire resistant flame retardant flexible cable, include the array conductor, it is characterized in that: every group of conductor all is coated with composite fire layer, insulating barrier and glide lamella outward successively, and formation insulated wire cores, described composite fire layer is followed successively by first mica tape, fire-resistant inorganic short fiber adhesive-layer and lapping layer from inside to outside, the stranded formation cable core of several insulated wire cores, described cable core is coated with second mica tape, described second mica tape is coated with inner sheath and oversheath outward successively, is provided with packed layer between described cable core and second mica tape.
2. a kind of fire resistant flame retardant flexible cable according to claim 1 is characterized in that: described fire-resistant inorganic short fiber adhesive-layer adopts polycrystal alumina or polycrystalline mullite short fiber to make.
3. a kind of fire resistant flame retardant flexible cable according to claim 1, it is characterized in that: described glide lamella is the macromolecule material film layer of low-friction coefficient.
4. a kind of fire resistant flame retardant flexible cable according to claim 1 is characterized in that: described oversheath adopts acrylonitrile-butadiene rubber to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320087987 CN203150228U (en) | 2013-02-26 | 2013-02-26 | Fireproof flame retardant flexible cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320087987 CN203150228U (en) | 2013-02-26 | 2013-02-26 | Fireproof flame retardant flexible cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203150228U true CN203150228U (en) | 2013-08-21 |
Family
ID=48977737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320087987 Expired - Fee Related CN203150228U (en) | 2013-02-26 | 2013-02-26 | Fireproof flame retardant flexible cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203150228U (en) |
-
2013
- 2013-02-26 CN CN 201320087987 patent/CN203150228U/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: 20170226 |