CN204680447U - A kind of flexible electric fireproof cable - Google Patents
A kind of flexible electric fireproof cable Download PDFInfo
- Publication number
- CN204680447U CN204680447U CN201520304170.9U CN201520304170U CN204680447U CN 204680447 U CN204680447 U CN 204680447U CN 201520304170 U CN201520304170 U CN 201520304170U CN 204680447 U CN204680447 U CN 204680447U
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- China
- Prior art keywords
- teflon insulation
- brace
- inner sleeve
- coated
- cable core
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Abstract
The utility model discloses a kind of flexible electric fireproof cable, comprise six roots of sensation cable core and external sheath layer, the every root of described cable core includes conductor, the flame retardant coating being coated on conductor outside surfaces, the color insulating barrier be coated on outside flame retardant coating that a naked thick copper lines is formed, six roots of sensation cable core closely surrounds into a ring-type, anti-elater is filled with in ring center, outer annular surface is enclosed with mineral-filled layer, and mineral-filled layer is coated with band, extrudes external sheath layer outside band; Packing material of the present utility model and sheath material are all bittern-free flame-proof material, can play more effective fire retardation, and low smoke and zero halogen are nontoxic, can greatly reduce the injury suffered by human body, instrument and equipment when fire occurs when burning; The utility model adopts anti-elater to fill in the ring center that each cable core surrounds, and add the internal flexibility of fireproof cable and strengthen its tensile property, and the restrictive coating of outside special construction adds the ability of cable resistance to compression bend resistance.
Description
Technical field
The utility model relates to field of cable technology, is specially a kind of flexible electric fireproof cable.
Background technology
Power cable is one of most important part in electric power system and electric power system, and fireproof cable has higher technical requirement and more complicated structure, the task of manufacturing field face at fireproof cable adopts the better material of fire protecting performance and the better construction of cable, manufactures the fireproof cable that fire protecting performance is higher, pliability is better, anti-extrusion bending ability is strong.
Utility model content
The purpose of this utility model is to provide a kind of flexible electric fireproof cable, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of flexible electric fireproof cable, comprise six roots of sensation cable core and external sheath layer, the every root of described cable core includes the conductor that a naked thick copper lines is formed, be coated on the flame retardant coating of conductor outside surfaces, be coated on the color insulating barrier outside flame retardant coating, six roots of sensation cable core closely surrounds into a ring-type, anti-elater is filled with in ring center, outer annular surface is enclosed with mineral-filled layer, mineral-filled layer is coated with band, external sheath layer is extruded outside band, described external sheath layer comprises the teflon insulation inner sleeve of annular and the teflon insulation overcoat of annular, teflon insulation outer wall of inside race is provided with to extraradial brace, brace is trapezoidal and arranges along described teflon insulation inner sleeve radial direction, described brace is radially arranged around teflon insulation outer wall of inside race, the inner side of described brace is connected with teflon insulation inner sleeve, is connected outside brace with teflon insulation overcoat, also support chip is provided with, the Exterior Supporting Plate that described support chip comprises inside spider and coordinates with inside spider in insulating case, described inside spider is trapezoidal and arranges along described teflon insulation inner sleeve radial direction, and described Exterior Supporting Plate is trapezoidal and arranges along described teflon insulation overcoat radial direction, and Exterior Supporting Plate is that convergent manner is established around teflon insulation outer casing inner wall, support interval is provided with between described inside spider outer rim and Exterior Supporting Plate inner edge.
As the utility model further technical scheme, described flame retardant coating is fire-resistant isinglass belt.
As the utility model further technical scheme, described anti-elater is made up of polyaryl fiber.
As the utility model further technical scheme, described brace and teflon insulation inner sleeve and teflon insulation overcoat are wholely set; Described inside spider and teflon insulation inner sleeve are wholely set; Described Exterior Supporting Plate and teflon insulation overcoat are wholely set.
Compared with prior art, the utility model fills many one decks inorganic mineral material in traditional fire-resisting cable structure, higher fire safety and environmental-protecting performance is had than traditional cable, effectively can reduce the release of cable at high temperature harmful substance, ensure that cable can keep normal in certain hour after combustion and run; Secondly, when the utility model bends, the brace in external sheath layer play two-layer between connection function, support chip plays support and prevents metamorphosis, and the air between two-layer and two-layer polytetrafluoroethylene material play good insulating effect; By insulation system is set to two-layer and arrange between the two layers brace can make two-layer between fill air, improve the insulation effect of integral insulation structure, uniform brace can ensure the intensity of insulation system; Packing material of the present utility model and sheath material are all bittern-free flame-proof material, can play more effective fire retardation, and low smoke and zero halogen are nontoxic, can greatly reduce the injury suffered by human body, instrument and equipment when fire occurs when burning; The utility model adopts anti-elater to fill in the ring center that each cable core surrounds, and add the internal flexibility of fireproof cable and strengthen its tensile property, and the restrictive coating of outside special construction adds the ability of cable resistance to compression bend resistance.
Accompanying drawing explanation
Fig. 1 is the cross section structure schematic diagram of a kind of flexible electric fireproof cable of the utility model.
Embodiment
Be described in more detail below in conjunction with the technical scheme of embodiment to this patent.
Refer to Fig. 1, a kind of flexible electric fireproof cable, comprise six roots of sensation cable core and external sheath layer, the every root of described cable core includes the conductor 1 that a naked thick copper lines is formed, be coated on the flame retardant coating 2 of conductor 1 outer surface, be coated on the color insulating barrier 3 outside flame retardant coating 2, six roots of sensation cable core closely surrounds into a ring-type, anti-elater 4 is filled with in ring center, outer annular surface is enclosed with mineral-filled layer 5, mineral-filled layer 5 is coated with band 6, external sheath layer is extruded outside band 6, described external sheath layer comprises the teflon insulation inner sleeve 12 of annular and the teflon insulation overcoat 7 of annular, teflon insulation inner sleeve 12 outer wall is provided with to extraradial brace 11, brace 11 is trapezoidal and arranges along described teflon insulation inner sleeve 12 radial direction, described brace 11 is radially arranged around teflon insulation inner sleeve 12 outer wall, the inner side of described brace 11 is connected with teflon insulation inner sleeve 12, is connected outside brace 11 with teflon insulation overcoat 7, also support chip is provided with, the Exterior Supporting Plate 8 that described support chip comprises inside spider 10 and coordinates with inside spider 10 in insulating case, described inside spider 10 is trapezoidal and arranges along described teflon insulation inner sleeve 12 radial direction, described Exterior Supporting Plate 8 is trapezoidal and arranges along described teflon insulation overcoat 7 radial direction, and Exterior Supporting Plate 8 is that convergent manner is established around teflon insulation overcoat 7 inwall, support interval 9 is provided with between described inside spider 10 outer rim and Exterior Supporting Plate 8 inner edge,
Described brace 11 is wholely set with teflon insulation inner sleeve 12 and teflon insulation overcoat 7; Described inside spider 10 is wholely set with teflon insulation inner sleeve 12; Described Exterior Supporting Plate 8 is wholely set with teflon insulation overcoat 7.
Described brace 11 and support chip around the outer wall of teflon insulation inner sleeve 12 and the inwall of teflon insulation overcoat 7 and uniform intervals arrange, described inside spider 10 outer rim is circular protrusions, and described inside spider 10 inner edge is the arc-shaped recess coordinated with circular protrusions.
When the utility model bends, the brace in external sheath layer play two-layer between connection function, support chip plays support and prevents metamorphosis, and the air between two-layer and two-layer polytetrafluoroethylene material play good insulating effect; By insulation system is set to two-layer and arrange between the two layers brace can make two-layer between fill air, improve the insulation effect of integral insulation structure, uniform brace can ensure the intensity of insulation system.
Described flame retardant coating 2 is fire-resistant isinglass belt, fire-resistant isinglass belt is a kind of high performance mica insulation goods, there is excellent resistance to elevated temperatures and flame resistance energy, during this mica tape normality, there is good flexibility, substantially the volatilization of harmful vapors is there is not when meeting naked light burning, not only effective for cable, and very safe.Described color insulating barrier 3 adds colouring agent for crosslinked polyolefin layer; Described anti-elater 4 is made primarily of polyaryl fiber, hot strength is high, wettability low (not absorbing moisture), dimensionally stable, heat-resisting good, wear-resisting, cut resistant, acidproof, shock-resistant, flame resistance is excellent, adds the pliability of cable and enhance tensile property.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned execution mode, in the ken that one skilled in the relevant art possesses, various change can also be made under the prerequisite not departing from this patent aim.
Claims (4)
1. a flexible electric fireproof cable, it is characterized in that, comprise six roots of sensation cable core and external sheath layer, the every root of described cable core includes the conductor that a naked thick copper lines is formed, be coated on the flame retardant coating of conductor outside surfaces, be coated on the color insulating barrier outside flame retardant coating, six roots of sensation cable core closely surrounds into a ring-type, anti-elater is filled with in ring center, outer annular surface is enclosed with mineral-filled layer, mineral-filled layer is coated with band, external sheath layer is extruded outside band, described external sheath layer comprises the teflon insulation inner sleeve of annular and the teflon insulation overcoat of annular, teflon insulation outer wall of inside race is provided with to extraradial brace, brace is trapezoidal and arranges along described teflon insulation inner sleeve radial direction, described brace is radially arranged around teflon insulation outer wall of inside race, the inner side of described brace is connected with teflon insulation inner sleeve, is connected outside brace with teflon insulation overcoat, also support chip is provided with, the Exterior Supporting Plate that described support chip comprises inside spider and coordinates with inside spider in insulating case, described inside spider is trapezoidal and arranges along described teflon insulation inner sleeve radial direction, and described Exterior Supporting Plate is trapezoidal and arranges along described teflon insulation overcoat radial direction, and Exterior Supporting Plate is that convergent manner is established around teflon insulation outer casing inner wall, support interval is provided with between described inside spider outer rim and Exterior Supporting Plate inner edge.
2. a kind of flexible electric fireproof cable according to claim 1, is characterized in that, described flame retardant coating is fire-resistant isinglass belt.
3. a kind of flexible electric fireproof cable according to claim 1, is characterized in that, described anti-elater is made up of polyaryl fiber.
4. a kind of flexible electric fireproof cable according to claim 1, is characterized in that, described brace and teflon insulation inner sleeve and teflon insulation overcoat are wholely set; Described inside spider and teflon insulation inner sleeve are wholely set; Described Exterior Supporting Plate and teflon insulation overcoat are wholely set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520304170.9U CN204680447U (en) | 2015-05-13 | 2015-05-13 | A kind of flexible electric fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520304170.9U CN204680447U (en) | 2015-05-13 | 2015-05-13 | A kind of flexible electric fireproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204680447U true CN204680447U (en) | 2015-09-30 |
Family
ID=54180120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520304170.9U Expired - Fee Related CN204680447U (en) | 2015-05-13 | 2015-05-13 | A kind of flexible electric fireproof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204680447U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106683758A (en) * | 2015-11-11 | 2017-05-17 | 衡阳恒飞电缆有限责任公司 | Novel high-voltage shielding cable |
-
2015
- 2015-05-13 CN CN201520304170.9U patent/CN204680447U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106683758A (en) * | 2015-11-11 | 2017-05-17 | 衡阳恒飞电缆有限责任公司 | Novel high-voltage shielding cable |
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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: 20150930 Termination date: 20160513 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |