CN203242374U - A cable resistant to high temperature and warp - Google Patents
A cable resistant to high temperature and warp Download PDFInfo
- Publication number
- CN203242374U CN203242374U CN 201320087687 CN201320087687U CN203242374U CN 203242374 U CN203242374 U CN 203242374U CN 201320087687 CN201320087687 CN 201320087687 CN 201320087687 U CN201320087687 U CN 201320087687U CN 203242374 U CN203242374 U CN 203242374U
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- China
- Prior art keywords
- cable
- layer
- high temperature
- resistant
- mica tape
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- Expired - Fee Related
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Abstract
The utility model discloses a cable resistant to high temperature and warp. The cable comprises a plurality of conductors. Each conductor is successively wrapped in a composite fireproof layer and an insulating layer in order to form an insulating wire core. The composite fireproof layer successively comprises a first mica tape, a fireproof inorganic short fiber adhesive layer, and a wrapping layer from inside to outside. The plurality of insulating wire cores are twisted to form a cable core. The cable core is successively wrapped in a second mica tape and an inner sheath formed by crossed weaving. The inner sheath is wrapped in an outer sheath. A filling layer is disposed between the cable core and the second mica tape. The cable with simple structure uses the composite fireproof layers and the second mica tape so as to effectively increase the high temperature resistant performance of the cable and guarantee using security when the cable is burnt in high temperature. The inner sheath uses the design of crossed weaving which has a relatively large stretching space. Therefore, the warp resistant performance of the cable is effectively increased 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 high temperature resistant twist resistant 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 relatively poor structure of thermal insulation, not flame resistant, high temperature.Therefore; in breaking out of fire or when being subjected to temperatures involved; 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 subject to the calcination of flame; cause cable can not work because of short circuit; and the anti-twist scarce capacity of common cable is subjected to distortion to affect easy distortion, causes shorten the useful life of cable.
The utility model content
The purpose of this utility model provides a kind of high temperature resistant twist resistant cable, not good to solve cable resistance to elevated temperatures traditional in the prior art, cause easily cable short circuit and cisco unity malfunction when being subjected to the flame calcination, and anti-twist scarce capacity, be subjected to distortion to affect easy distortion, the problem that useful life is short.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of high temperature resistant twist resistant 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 the 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 the inner sheath that the second mica tape and interlacing consist of outward successively, described inner sheath is coated with oversheath, is provided with packed layer between described cable core and the second mica tape.
Described a kind of high temperature resistant twist resistant 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 high temperature resistant twist resistant 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 the second mica tape, for cable provides double-deck high temperature resistant protection, has effectively promoted the resistance to elevated temperatures of cable, has guaranteed the use safety of cable when being subjected to high temperature sintering; Inner sheath adopts the design of interlacing, and the interlacing structure has larger extending space, has effectively promoted the anti-twist ability of cable, 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 high temperature resistant twist resistant 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 formation insulated wire cores, the composite fire layer is followed successively by the 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 the inner sheath 7 of the second mica tape 6 and interlacing formation outward successively, inner sheath 7 is coated with oversheath 8, is provided with packed layer 9 between cable core and the 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 acrylonitrile-butadiene rubber to make.
Claims (3)
1. high temperature resistant twist resistant 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 the 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 the inner sheath that the second mica tape and interlacing consist of outward successively, described inner sheath is coated with oversheath, is provided with packed layer between described cable core and the second mica tape.
2. a kind of high temperature resistant twist resistant 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 high temperature resistant twist resistant 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 201320087687 CN203242374U (en) | 2013-02-26 | 2013-02-26 | A cable resistant to high temperature and warp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320087687 CN203242374U (en) | 2013-02-26 | 2013-02-26 | A cable resistant to high temperature and warp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203242374U true CN203242374U (en) | 2013-10-16 |
Family
ID=49319645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320087687 Expired - Fee Related CN203242374U (en) | 2013-02-26 | 2013-02-26 | A cable resistant to high temperature and warp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203242374U (en) |
-
2013
- 2013-02-26 CN CN 201320087687 patent/CN203242374U/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: 20131016 Termination date: 20170226 |