CN203746528U - High temperature resistant cable - Google Patents
High temperature resistant cable Download PDFInfo
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- CN203746528U CN203746528U CN201320886071.7U CN201320886071U CN203746528U CN 203746528 U CN203746528 U CN 203746528U CN 201320886071 U CN201320886071 U CN 201320886071U CN 203746528 U CN203746528 U CN 203746528U
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- layer
- high temperature
- cable
- resistant
- inner core
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Abstract
The utility model discloses a high temperature resistant cable. The high temperature resistant cable includes an inner core and an outer layer which wraps the inner core; the outer layer comprises a magnesium oxide insulating layer, an organic silicon tape layer containing mica particles, a fire-resistant armoring layer and a sheath layer which are arranged from inside to outside sequentially, wherein the sheath layer is a high temperature-resistant inorganic mineral fiber yarn layer. The outer layer of the high temperature resistant cable of the utility model comprises the magnesium oxide insulating layer, the organic silicon tape layer containing mica particles, the fire-resistant armoring layer and the sheath layer which are arranged from inside to outside sequentially, wherein the sheath layer is the high temperature-resistant inorganic mineral fiber yarn layer. The high temperature resistant performance of the magnesium oxide insulating layer, the organic silicon tape layer containing mica particles and the inorganic mineral fiber yarn layer can be utilized to greatly enhance the high temperature resistant capability of the cable.
Description
Technical field
The utility model relates to a kind of power transmission cable, relates in particular to a kind of high temperature-resistant cable.
Background technology
The scope of application of cable is very wide, in daily life, is found everywhere, and at present, the heatproof of the high temperature-resistant cable on market is 200 DEG C of left and right, and these cables use and have the shortcomings such as conductance is low, useful life is short, easy aging under high-temperature condition.
Utility model content
The purpose of this utility model is to provide a kind of high temperature-resistant cable, to solve problems of the prior art.
To achieve these goals, the technical solution of the utility model is as follows:
A kind of high temperature-resistant cable, comprise cable inner core and wrap in the cable outer layer outside cable inner core, it is characterized in that, organosilicon belt, fire safe type armour, restrictive coating that described cable outer layer is followed successively by from inside to outside magnesium oxide insulated layer, comprises mica particles, described restrictive coating is resistant to elevated temperatures inorganic mineral fiber layer.
In a preferred embodiment of the present utility model, described cable inner core comprises three insulated wire cores, and insulated wire cores twists together.Further, the conductive surface of insulated wire cores is provided with anti-oxidation coating.
In a preferred embodiment of the present utility model, between described cable inner core and cable outer layer, be provided with the fire-retardant filling of soft type that adopts nanometer technology to manufacture.
Organosilicon belt, fire safe type armour, restrictive coating that cable outer layer of the present utility model is followed successively by from inside to outside magnesium oxide insulated layer, comprises mica particles, described restrictive coating is resistant to elevated temperatures inorganic mineral fiber layer.The organosilicon belt that utilizes magnesium oxide insulated layer, comprise mica particles and the resistance to elevated temperatures of inorganic mineral fiber layer significantly promote the heat-resisting ability of cable.
Feature of the present utility model can be consulted the detailed description of the graphic and following better execution mode of this case and be obtained and be well understood to.
Brief description of the drawings
Fig. 1 is schematic diagram of the present utility model.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, further set forth the utility model below in conjunction with specific embodiment.
As shown in Figure 1, a kind of high temperature-resistant cable, comprises cable inner core and wraps in the cable outer layer outside cable inner core.
Cable inner core comprises three insulated wire cores 1, and insulated wire cores 1 twists together.The conductive surface of insulated wire cores is provided with anti-oxidation coating 3.Between cable inner core and cable outer layer, be provided with the fire-retardant filling 2 of soft type that adopts nanometer technology to manufacture.
Organosilicon belt 5, fire safe type armour 6, restrictive coating that cable outer layer is followed successively by from inside to outside magnesium oxide insulated layer 4, comprises mica particles, described restrictive coating is resistant to elevated temperatures inorganic mineral fiber layer 7.To be nearly 1400 DEG C of fusing point, long-term work temperature reach 230V/mm, specific insulation>=10 at 1200-1300 DEG C, puncture voltage to this magnesium oxide insulated layer
14the synthetic mineral insulation fire proofing material of Ω ˙ cm, continuously radially approximately 45
0angle is coated, requires the tension force and the uniform tension force that keep stable to form.Inorganic mineral fiber layer is with high temperature resistant 1400 DEG C of inorganic mineral fiber yarn class materials, radially interweave (requiring coverage rate >=98%), and at its appearance dip-coating one deck organic synthesis solution, through 500-600 DEG C of hot conditionss are cured and are formed.
More than show and described general principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what in above-described embodiment and specification, describe is principle of the present utility model; under the prerequisite that does not depart from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall in claimed scope of the present utility model.The protection range that the utility model requires is defined by appending claims and equivalent thereof.
Claims (4)
1. a high temperature-resistant cable, comprise cable inner core and wrap in the cable outer layer outside cable inner core, it is characterized in that, organosilicon belt, fire safe type armour, restrictive coating that described cable outer layer is followed successively by from inside to outside magnesium oxide insulated layer, comprises mica particles, described restrictive coating is resistant to elevated temperatures inorganic mineral fiber layer.
2. high temperature-resistant cable according to claim 1, is characterized in that, described cable inner core comprises three insulated wire cores, and insulated wire cores twists together.
3. high temperature-resistant cable according to claim 2, is characterized in that, the conductive surface of insulated wire cores is provided with anti-oxidation coating.
4. high temperature-resistant cable according to claim 1, is characterized in that, is provided with the fire-retardant filling of soft type that adopts nanometer technology to manufacture between described cable inner core and cable outer layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320886071.7U CN203746528U (en) | 2013-12-31 | 2013-12-31 | High temperature resistant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320886071.7U CN203746528U (en) | 2013-12-31 | 2013-12-31 | High temperature resistant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203746528U true CN203746528U (en) | 2014-07-30 |
Family
ID=51346298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320886071.7U Expired - Fee Related CN203746528U (en) | 2013-12-31 | 2013-12-31 | High temperature resistant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203746528U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104517679A (en) * | 2014-11-28 | 2015-04-15 | 上海摩恩电气股份有限公司 | Low-inductance square power cable for direct current distribution |
-
2013
- 2013-12-31 CN CN201320886071.7U patent/CN203746528U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104517679A (en) * | 2014-11-28 | 2015-04-15 | 上海摩恩电气股份有限公司 | Low-inductance square power cable for direct current distribution |
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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: 20140730 Termination date: 20191231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |