CN203150253U - Fireproof flame retardant cable - Google Patents
Fireproof flame retardant cable Download PDFInfo
- Publication number
- CN203150253U CN203150253U CN 201320088082 CN201320088082U CN203150253U CN 203150253 U CN203150253 U CN 203150253U CN 201320088082 CN201320088082 CN 201320088082 CN 201320088082 U CN201320088082 U CN 201320088082U CN 203150253 U CN203150253 U CN 203150253U
- Authority
- CN
- China
- Prior art keywords
- layer
- cable
- mica tape
- fire
- flame retardant
- 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 discloses a fireproof flame retardant cable, comprising a plurality of groups of conductors. A composite fireproof layer and an insulating layer are wrapped outside each group of conductors 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 each composite fireproof layer in sequence from interior to exterior; a plurality of insulation cores are intertwisted to form a cable core; a second mica tape is covered outside the cable core; an inner sheath and an outer sheath are wrapped outside the second mica tape in sequence; and a filling layer is provided between the cable core and the second mica tape. According to the fireproof flame retardant cable, the structure is simple, 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 effectively enhanced, the usage safety when the cable is burned at high temperature is guaranteed, and the usage 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 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 is difficult to isolated flame, so flame these protective layers that are easy to ablate, and makes cable directly be subjected to the calcination of flame, causes cable can not work because of short circuit, has shortened the useful life of cable.
The utility model content
The purpose of this utility model provides a kind of fire resistant flame retardant cable, and is not good to solve cable fire resistance traditional in the prior art, causes cable short circuit easily and cisco unity malfunction when being subjected to the flame calcination, 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 cable, include the array conductor, it is characterized in that: every group of conductor all is coated with composite fire layer and insulating barrier 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, and 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 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 cable is characterized in that: described oversheath adopts silicon rubber to make.
The beneficial effects of the utility model are:
The utility model is simple in structure; adopt the design of composite fire layer and second mica tape, for cable provides double-deck refractory protection, promoted the fire resistance of cable effectively; guarantee the use safety of cable when being subjected to high temperature sintering, 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 cable, include array conductor 1, every group of conductor 1 outer composite fire layer and insulating barrier 5 of all being coated with successively, and constitute 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 outside second mica tape, 6, the second mica tapes 6 and is coated with inner sheath 7 and oversheath 8 successively, is provided with packed layer 9 between cable core and second mica tape 6.
Fire-resistant inorganic short fiber adhesive-layer 3 adopts polycrystal alumina or polycrystalline mullite short fiber to make, and oversheath 8 adopts silicon rubber to make.
Claims (3)
1. fire resistant flame retardant cable, include the array conductor, it is characterized in that: every group of conductor all is coated with composite fire layer and insulating barrier 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 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 cable according to claim 1 is characterized in that: described oversheath adopts silicon rubber to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320088082 CN203150253U (en) | 2013-02-26 | 2013-02-26 | Fireproof flame retardant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320088082 CN203150253U (en) | 2013-02-26 | 2013-02-26 | Fireproof flame retardant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203150253U true CN203150253U (en) | 2013-08-21 |
Family
ID=48977762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320088082 Expired - Fee Related CN203150253U (en) | 2013-02-26 | 2013-02-26 | Fireproof flame retardant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203150253U (en) |
-
2013
- 2013-02-26 CN CN 201320088082 patent/CN203150253U/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: 20130821 Termination date: 20170226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |