CN201536022U - Flexible high-temperature resistant cable with armored protective layer - Google Patents
Flexible high-temperature resistant cable with armored protective layer Download PDFInfo
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- CN201536022U CN201536022U CN2009202352777U CN200920235277U CN201536022U CN 201536022 U CN201536022 U CN 201536022U CN 2009202352777 U CN2009202352777 U CN 2009202352777U CN 200920235277 U CN200920235277 U CN 200920235277U CN 201536022 U CN201536022 U CN 201536022U
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- protective layer
- high temperature
- resistant
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Abstract
The utility model discloses a flexible high-temperature resistant cable with an armored protective layer, which comprises a group of conductors. A special glass fiber insulation layer is braided outside each conductor to form a cable core, a glass fiber heat insulation sheath layer is arranged outside each cable core, and an armored layer is braided outside each sheath layer. The flexible high-temperature resistant cable with an armored protective layer can bear relatively high temperature and can be used in an environment with the highest temperature of 400 DEG C for a long time. Moreover, mechanical property of materials is not changed obviously within the temperature range, tensile strength of the cable is higher than that of a common cable, the armored protective layer is arranged outside the cable, and then the cable can bear certain mechanical external force. In addition, the cable is high temperature resistant, corrosion resistant, acid-base and corrosive gas resistant and waterproof, is stable in electric property in a high temperature environment, excellent in ageing resistance, long in service life, simple in structure and economical in price, generates non-toxic substances during burning, and belongs to an environment-friendly cable.
Description
Technical field
The utility model discloses a kind of high temperature-resistant cable, particularly a kind of soft type high temperature-resistant cable with the armouring protective layer.
Background technology
At present; highly-flexible type high temperature-resistant cable at China's domestic great majority band armouring protective layer also is in the development test stage; this kind cable is on market in the existing product; the maximum operating temperature of regular grade product has 70 ℃ and 100 ℃ two kinds, and the maximum operating temperature of heat-resisting level product has 200 ℃ and 260 ℃ two kinds.And the cable minimum bending radius, armoured cable is not less than 12 times of the outside diameter of cable, and unarmored cable is not less than 6 times of the outside diameter of cable.
At present, the cable of cross-linking radiation polyolefin insulation has 125 ℃ of temperature resistant grades, 135 ℃, 150 ℃; The temperature resistant grade of silicon rubber insulated cable can reach 180 ℃, the temperature resistant grade of fluoroplastic insulation cable (ETFE, FEP, PFA) can reach 260 ℃, but being used for more, the high-temperature resistant environment can not be suitable for, such as occasions such as metallurgy industry, steel mill, hot rolling workshop, coking plant, Foundry Works and molten iron splash fire resistant electric wire, cable and lead, need be for the client design the extraordinary specification cable of price economy, and meet the environmental-protection flame-retardant requirement.
Summary of the invention
Goal of the invention: technical problem to be solved in the utility model is at the deficiencies in the prior art, and a kind of soft type high temperature-resistant cable with the armouring protective layer is provided.
Technical scheme: the utility model discloses a kind of soft type high temperature-resistant cable with the armouring protective layer; comprise one group of conductor; every conductor is woven with the special glass fibre insulating barrier outward and constitutes cable core; outside the cable core that described outer braid has the conductor of fiberglass insulation to constitute, spun-glass insulation heat shield layer is arranged, outside restrictive coating, be woven with armour.
The special glass fibre insulating barrier adopts the braiding of enhancement mode alkali-free glass fibre yarn to form in the utility model, preferably adopt the modified organosilicon fire-resistant anticorrosion paint dipping, this material has excellent thermal endurance, the cataclysm of heatproof difference, can for a long time anti-400 ℃ of high temperature, and have good anticorrosion, anti-atmospheric aging, water-fast and electrical insulating property etc.
Insulation restrictive coating employing high silica fiber preferably is a kind of high-temperature-resistant inorganic fibre, wherein SiO in the utility model
2Content is higher than 96%, and softening point uses at 900 ℃ long-term down near 1700 ℃, works 10 minutes the state that still remained intact in 15 seconds of working under 1600 ℃ of conditions under 1450 ℃ of conditions.Have stable chemical performance, high temperature resistant, anti-ablation, percent thermal shrinkage are low, and conductive coefficient is low, excellent electric insulating energy, good performance such as pollution-free.
In the utility model, preferably, described armour is the LWA light wire armoured layer.
Beneficial effect: the soft type high temperature-resistant cable of band armouring protective layer described in the utility model can bear higher temperature; the long-term environment for use temperature of cable reaches as high as 400 ℃; and the mechanical property of materials does not have significant change in this temperature range; tensile strength is higher than common cable; armour is arranged outward, can bear certain mechanical external force.Characteristic with high temperature resistant, corrosion-resistant, acid and alkali-resistance and corrosive gas and waterproof, electric property is stable under the hot environment, and ageing resistace is superior, long service life.And simple in structure, price economy, burning avirulence material produces, and belongs to environmentally friendly cable.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is done further to specify, above-mentioned and/or otherwise advantage of the present utility model will become apparent.
Be illustrated as the utility model cable cross-sectional view.
Embodiment:
The utility model discloses a kind of soft type high temperature-resistant cable with the armouring protective layer; comprise two conductors 1; thereby the every conductor 1 outer special glass fibre insulating barrier 2 that is woven with constitutes cable core; outside skin is woven with the cable core that the conductor of fiberglass insulation constitutes, be woven with spun-glass insulation heat shield layer 3, outside restrictive coating 3, be woven with armour 4.Described armour 4 is the LWA light wire armoured layer.Described conductor 1 is silver-plated conductor.
The special glass fibre insulating barrier adopts high temperature resistant enhancement mode alkali-free glass fibre braiding in the utility model, and is impregnated with modified organosilicon fire-resistant anti-corrosion insulation coating.This coating has excellent thermal endurance, the cataclysm of heatproof difference, and adhesive force is good, can for a long time anti-400 ℃ of high temperature, and have good anticorrosion, anti-atmospheric aging, water-fast and electrical insulating property etc.Braid calcination in 500 ± 10 ℃ of Muffle furnaces is non-sclerous.Make this cable have superior functions such as high temperature resistant, anti-bending, impact strength height.
The heat shield of spun-glass insulation described in the utility model layer adopts the braiding of high silica fiber line, it is a kind of high temperature resistant heat insulation inorganic fibre mat, softening point is near 1700 ℃, can under 900 ℃ of environment, use for a long time, with excellent chemical stability, excellent dielectric properties, it has extremely low conductive coefficient, can stop the splash of molten iron, molten copper, molten aluminium etc., and the damage that is not subjected to high temperature and flame and is brought.Can under the application scenarios of the isolated thermal source of the extra reinforcement of needs, use.
In general, for cable industry, this kind material has following advantage:
1, disconnected hot good: can not burn, have noninflammability, do not have distortion, no embrittlement, high temperature resistant, combustibility reaches the A level after testing.
2, do not contain any adhesive, without any scent of, environment-protecting asepsis is compared with traditional mineral wool, asbestos product, does not contain any adhesive, can not send any poisonous, pungent smoke when meeting high temperature.
3, insulating properties height, glass fibre are best insulating material.
4, corrosion resistance height, glass fibre is not afraid of strong acid, highly basic, can not lower its functional characteristic for a long time.
5, hydroscopicity is low, and hydroscopicity approaches zero usually.
6, nontoxic, the main component of glass fibre is silicide (SiO
2Account for more than 96%).
The utility model provides a kind of thinking and method of the soft type high temperature-resistant cable with the armouring protective layer; the method and the approach of this technical scheme of specific implementation are a lot; the above only is a preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.The all available prior art of each component part not clear and definite in the present embodiment is realized.
Claims (4)
1. soft type high temperature-resistant cable with the armouring protective layer; it is characterized in that; comprise one group of conductor (1); the outer fiberglass insulation (2) that is woven with of every conductor (1) constitutes cable core; outside described cable core, be provided with spun-glass insulation heat shield layer (3), outside restrictive coating (3), be woven with armour (4).
2. the soft type high temperature-resistant cable of band armouring protective layer according to claim 1 is characterized in that, described armour (4) is the LWA light wire armoured layer.
3. the soft type high temperature-resistant cable of band armouring protective layer according to claim 1 is characterized in that, described conductor (1) is silver-plated conductor.
4. the soft type high temperature-resistant cable of band armouring protective layer according to claim 1 is characterized in that, the outer organosilicon high-temperature resistant anti-corrosive insulating coating that applies of described fiberglass insulation (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202352777U CN201536022U (en) | 2009-10-14 | 2009-10-14 | Flexible high-temperature resistant cable with armored protective layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202352777U CN201536022U (en) | 2009-10-14 | 2009-10-14 | Flexible high-temperature resistant cable with armored protective layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201536022U true CN201536022U (en) | 2010-07-28 |
Family
ID=42535799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202352777U Expired - Fee Related CN201536022U (en) | 2009-10-14 | 2009-10-14 | Flexible high-temperature resistant cable with armored protective layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201536022U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103915173A (en) * | 2014-03-18 | 2014-07-09 | 新宇电缆集团股份有限公司 | High-temperature-resistant corrosion-prevention FEP cable |
| CN104766657A (en) * | 2015-03-23 | 2015-07-08 | 安徽贝特电缆科技有限公司 | Low-smoke halogen-free insulating industrial cable |
-
2009
- 2009-10-14 CN CN2009202352777U patent/CN201536022U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103915173A (en) * | 2014-03-18 | 2014-07-09 | 新宇电缆集团股份有限公司 | High-temperature-resistant corrosion-prevention FEP cable |
| CN104766657A (en) * | 2015-03-23 | 2015-07-08 | 安徽贝特电缆科技有限公司 | Low-smoke halogen-free insulating industrial cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 214251 Industrial C District, Guan Lin Town, Jiangsu, Yixing Patentee after: Jiangsu Zhongmei Cable Group Co., Ltd. Address before: 214251 Jiangsu coal cable Limited by Share Ltd, eleven industrial district, Yixing, Jiangsu Patentee before: Jiangsu Zhongmei Cable Group Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 214251 Industrial Zone C, Yixing, Wuxi, Jiangsu, China Patentee after: Jiangsu Zhongmei Cable Co., Ltd. Address before: 214251 Industrial C District, Guan Lin Town, Jiangsu, Yixing Patentee before: Jiangsu Zhongmei Cable Group Co., Ltd. |
|
| 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: 20100728 Termination date: 20171014 |