CN103824624A - Twisting-resisting flexible insulated environmental protection-type fire-resisting cable - Google Patents
Twisting-resisting flexible insulated environmental protection-type fire-resisting cable Download PDFInfo
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- CN103824624A CN103824624A CN201410023517.2A CN201410023517A CN103824624A CN 103824624 A CN103824624 A CN 103824624A CN 201410023517 A CN201410023517 A CN 201410023517A CN 103824624 A CN103824624 A CN 103824624A
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Abstract
The invention provides a twisting-resisting flexible insulated environmental protection-type fire-resisting cable, which comprises four conductors and an optical fiber conductor. A wire, and a wrapping layer and a first insulated layer sequentially coating the wire form each conductor. An optical fiber wire, and a second insulated layer, a shielding layer and a third insulated layer coating the optical fiber wire form the optical fiber conductor. The four conductors are parallel to each other along the length direction of the cable and are arranged in a diamond shape. The optical fiber conductor is arranged in the center of the four conductors. A cable core with a round cross section which is formed by water-blocking filling material is arranged between the four conductors and the optical fiber conductor. The cable core is sequentially coated with a heat-insulation liner, an elastic metal tube sheath, a cross braiding inner sheath, a double-layer fire-resisting belt layer and an outer sheath. According to the twisting-resisting flexible insulated environmental protection-type fire-resisting cable, problems that the existing cable is insufficient in twisting-resisting ability and poor in fire-resisting performances.
Description
Technical field
The present invention relates to electric power cable technical field, relate in particular to a kind of warp resistance flexible insulation environment-friendly type fire-resisting cable.
Background technology
Fire-resisting cable is widely used and the intensive market of personnel, the place such as skyscraper, hospital, cinema, hotel, public place of entertainment, underground railway, undergrond street, large-scale power station and important industrial and mining enterprises.Traditional fire-resisting cable structure is simple, use not environmental protection of material, cable fire performance is not ideal enough, while causing breaking out of fire, occur core short circuit phenomenon, or the flue gas producing because of cable self burning happens occasionally to phenomenons such as human body damage.
In the time there is fire, fire-resisting cable should be appointed and can be maintained a period of time as power transmission lines or infor-mation-carrying wire road, can win the time of more suing and labouring for the transfer of fire-extinguishing and lifesaving, data message on the one hand, effectively reduce the injury that flue gas that cable burning itself produces causes human body because cable material is not halogen-containing on the other hand, thereby reduced disaster-stricken loss and personnel's injures and deaths.Therefore, a kind of more high-performance environment protection type fire-resisting cable of long running time that can maintain in flame combustion is subject to user's trust very much, is also the inevitable choice of hommization society.
The employing that traditional cable is more the poor not flame resistant of structure of thermal insulation.Therefore; in the time of breaking out of fire; the not flame resistant baking of this class cable; be difficult to isolated flame; therefore flame is easy to these protective layers of ablation, makes cable directly be subject to the calcination of flame, causes cable can not work because of short circuit; and the anti-twist scarce capacity of common cable, is subject to distortion to affect the useful life that also can shorten cable for a long time.
Summary of the invention
In order to solve the technical problem existing in background technology, the present invention proposes a kind of warp resistance flexible insulation environment-friendly type fire-resisting cable, solve the anti-twist scarce capacity of existing cable, the problem that fire resistance is not good.
A kind of warp resistance flexible insulation environment-friendly type fire-resisting cable that the present invention proposes, comprise four conductors and a conductor fiber, described conductor by wire and the lapping layer and the first insulating barrier that are coated on successively outside wire form, described conductor fiber is by the second insulating barrier outside optic fibre wire and clad optical fiber wire, screen and the 3rd insulating barrier form, described four conductors are along the cable length direction layout that is parallel to each other and assumes diamond in shape, described conductor fiber is located at the center of described four conductors, between described four conductors and described conductor fiber, filling the packing material formation cross section that blocks water is circular cable core, be coated successively insulating inner lining layer outward at described cable core, elastic metallic tube boot, interlacing inner sheath, double-deck fire-resistant belt and oversheath.
Preferably, described conductor fiber is with circumscribed in two described conductors at rhombus minor axis two ends.
Preferably, inner sheath adopts silicon rubber to make.
Preferably, double-deck fire-resistant belt adopts the wrapped formation of double-deck fire-resistant isinglass belt.
Preferably, oversheath adopts silicon rubber to make.
Warp resistance flexible insulation environment-friendly type fire-resisting cable of the present invention, arranges insulating inner lining layer, has improved the fire resistance of cable, has extended cable normal working hours in flame combustion, has reduced the injury that the flue gas that produces because of cable burning itself causes human body; Adopt elastic metallic pipe to make metallic sheath, have good bendability and flexibility; Inner sheath adopts the design of interlacing, and interlacing structure has larger extending space, has effectively promoted the anti-twist ability of cable, has extended the useful life of cable; Double-deck fire-resistant belt is set, has effectively promoted the fire-resistance property of cable, can stand for a long time the flame temperature of nearly 800 ℃, ensured the use safety of cable; This cable not only can conduct electricity, and can also realize optical fiber communication.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of warp resistance flexible insulation environment-friendly type fire-resisting cable of proposing of the present invention.
Embodiment
As shown in Figure 1, Fig. 1 is the structural representation of a kind of warp resistance flexible insulation environment-friendly type fire-resisting cable of proposing of the present invention.
With reference to Fig. 1, a kind of warp resistance flexible insulation environment-friendly type fire-resisting cable that the present invention proposes, comprise four conductors 1 and a conductor fiber 2, described conductor 1 is made up of wire 11 and the lapping layer 12 and the first insulating barrier 13 that are coated on successively outside wire 11, described conductor fiber 2 is by the second insulating barrier 22 outside optic fibre wire 21 and clad optical fiber wire 21, screen 23 and the 3rd insulating barrier 24 form, described four conductors 1 are along the cable length direction layout that is parallel to each other and assumes diamond in shape, described conductor fiber 2 is located at the center of described four conductors 1, particularly, described conductor fiber 2 can be set circumscribed with two described conductors 1 in rhombus minor axis two ends, between described four conductors 1 and described conductor fiber 2, filling the packing material 3 that blocks water, to form cross section be circular cable core, the cable core of making has higher plumpness, be coated successively insulating inner lining layer 4 outward at described cable core, elastic metallic tube boot 5, interlacing inner sheath 6, double-deck fire-resistant belt 7 and oversheath 8, wherein, inner sheath 6, oversheath 8 adopts silicon rubber to make.
In specific embodiment, double-deck fire-resistant belt 7 adopts the wrapped formation of double-deck fire-resistant isinglass belt, double-deck fire-resistant isinglass belt is the mica paper that is compounded in alkali-free glass cloth two sides, adopt with the following method and make: S1, be coated with last layer and be mixed with the adhesive of promoter at the upper and lower surface uniform of the alkali-free glass cloth after starchiness size carries out surface treatment, carry out prebake; S2, choose the mica paper that two aromatic polyamide fibre content are 3%～7%, at any spreading rubber powder of mica paper; S3, spreading rubber powder face in S2 is compound to respectively to the upper and lower surface of alkali-free glass cloth in S1, carries out that second cures, San road cures, Si road cures; S4, carry out roll-in by curing surface after end with the alkali-free glass cloth of mica paper, obtain double-deck fire-resistant isinglass belt.The double-deck fire-resistant isinglass belt of making by above-mentioned steps, has omitted the technique of the wrapped fire-resistant isinglass belt of secondary in the past, has improved operating efficiency, has guaranteed the roundness of cable.
Warp resistance flexible insulation environment-friendly type fire-resisting cable of the present invention, arranges insulating inner lining layer, has improved the fire resistance of cable, has extended cable normal working hours in flame combustion, has reduced the injury that the flue gas that produces because of cable burning itself causes human body; Adopt elastic metallic pipe to make metallic sheath, have good bendability and flexibility; Inner sheath adopts the design of interlacing, and interlacing structure has larger extending space, has effectively promoted the anti-twist ability of cable, has extended the useful life of cable; Double-deck fire-resistant belt is set, has effectively promoted the fire-resistance property of cable, can stand for a long time the flame temperature of nearly 800 ℃, ensured the use safety of cable; This cable not only can conduct electricity, and can also realize optical fiber communication.
Above; it is only preferably embodiment of the present invention; but protection scope of the present invention is not limited to this; any be familiar with those skilled in the art the present invention disclose technical scope in; be equal to replacement or changed according to technical scheme of the present invention and inventive concept thereof, within all should being encompassed in protection scope of the present invention.
Claims (5)
1. a warp resistance flexible insulation environment-friendly type fire-resisting cable, it is characterized in that, comprise four conductors (1) and a conductor fiber (2), described conductor (1) is by wire (11) and be coated on successively the outer lapping layer (12) of wire (11) and the first insulating barrier (13) formation, described conductor fiber (2) is by optic fibre wire (21) and outer the second insulating barrier (22) of clad optical fiber wire (21), screen (23) and the 3rd insulating barrier (24) form, described four conductors (1) are along the cable length direction layout that is parallel to each other and assumes diamond in shape, described conductor fiber (2) is located at the center of described four conductors (2), between described four conductors (1) and described conductor fiber (2), filling packing material (3) the formation cross section that blocks water is circular cable core, be coated successively insulating inner lining layer (4) outward at described cable core, elastic metallic tube boot (5), interlacing inner sheath (6), double-deck fire-resistant belt (7) and oversheath (8).
2. warp resistance flexible insulation environment-friendly type fire-resisting cable according to claim 1, is characterized in that, described conductor fiber is with circumscribed in two described conductors at rhombus minor axis two ends.
3. warp resistance flexible insulation environment-friendly type fire-resisting cable according to claim 1 and 2, is characterized in that, inner sheath (6) adopts silicon rubber to make.
4. warp resistance flexible insulation environment-friendly type fire-resisting cable according to claim 1 and 2, is characterized in that, double-deck fire-resistant belt (7) adopts the wrapped formation of double-deck fire-resistant isinglass belt.
5. warp resistance flexible insulation environment-friendly type fire-resisting cable according to claim 1 and 2, is characterized in that, oversheath (8) adopts silicon rubber to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410023517.2A CN103824624A (en) | 2014-01-18 | 2014-01-18 | Twisting-resisting flexible insulated environmental protection-type fire-resisting cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410023517.2A CN103824624A (en) | 2014-01-18 | 2014-01-18 | Twisting-resisting flexible insulated environmental protection-type fire-resisting cable |
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| CN103824624A true CN103824624A (en) | 2014-05-28 |
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| CN201410023517.2A Pending CN103824624A (en) | 2014-01-18 | 2014-01-18 | Twisting-resisting flexible insulated environmental protection-type fire-resisting cable |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104779007A (en) * | 2015-01-31 | 2015-07-15 | 安徽华泰电缆科技有限公司 | Anti-breakage tensile cable |
| CN105924823A (en) * | 2016-04-29 | 2016-09-07 | 安徽慧艺线缆集团有限公司 | Twisting-resistant flexible cable used for industrial robot |
| CN106098157A (en) * | 2016-06-08 | 2016-11-09 | 新疆鑫卓达线缆有限公司 | Double-layer metal cladded flame-retardant electric cable |
| CN106803447A (en) * | 2016-12-09 | 2017-06-06 | 晋源电气集团股份有限公司 | A kind of safe power cable |
| CN111890754A (en) * | 2020-08-05 | 2020-11-06 | 苏州宝优际科技股份有限公司 | Composite mica sheet heat insulation layer |
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| US20120008906A1 (en) * | 2010-07-06 | 2012-01-12 | Hon Hai Precision Industry Co., Ltd. | Optical-electrical hybrid transmission cable |
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| CN203134467U (en) * | 2013-03-31 | 2013-08-14 | 励云宽 | A fireproof anti-interference data communication high-voltage oil-filled cable |
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2014
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| CN1062231A (en) * | 1991-12-12 | 1992-06-24 | 四川省雅安云母工业公司 | A kind of electric Composite Insulation Material |
| CN200983289Y (en) * | 2006-12-08 | 2007-11-28 | 昆山火凤凰线缆有限公司 | Photoelectrical wide fireproof cable of mine insulation metal cover |
| US20120008906A1 (en) * | 2010-07-06 | 2012-01-12 | Hon Hai Precision Industry Co., Ltd. | Optical-electrical hybrid transmission cable |
| CN102456434A (en) * | 2010-10-22 | 2012-05-16 | 扬州亚光电缆有限公司 | Fireproofing high-flexible data signal transmission cable |
| CN201956083U (en) * | 2011-03-02 | 2011-08-31 | 永济市海格瑞绝缘材料有限公司 | Mica tape |
| CN102412037A (en) * | 2011-04-25 | 2012-04-11 | 江苏冰城电材股份有限公司 | Novel production method of mica tape with a few glues by reducing organic solvent dosage |
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| CN203134467U (en) * | 2013-03-31 | 2013-08-14 | 励云宽 | A fireproof anti-interference data communication high-voltage oil-filled cable |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104779007A (en) * | 2015-01-31 | 2015-07-15 | 安徽华泰电缆科技有限公司 | Anti-breakage tensile cable |
| CN105924823A (en) * | 2016-04-29 | 2016-09-07 | 安徽慧艺线缆集团有限公司 | Twisting-resistant flexible cable used for industrial robot |
| CN106098157A (en) * | 2016-06-08 | 2016-11-09 | 新疆鑫卓达线缆有限公司 | Double-layer metal cladded flame-retardant electric cable |
| CN106098157B (en) * | 2016-06-08 | 2017-09-22 | 新疆鑫卓达线缆有限公司 | Double-layer metal cladded flame-retardant electric cable |
| CN107481786A (en) * | 2016-06-08 | 2017-12-15 | 薛峰 | Double-layer metal cladded flame-retardant electric cable |
| CN107564607A (en) * | 2016-06-08 | 2018-01-09 | 薛峰 | A kind of double-layer metal cladded flame-retardant electric cable |
| CN106803447A (en) * | 2016-12-09 | 2017-06-06 | 晋源电气集团股份有限公司 | A kind of safe power cable |
| CN111890754A (en) * | 2020-08-05 | 2020-11-06 | 苏州宝优际科技股份有限公司 | Composite mica sheet heat insulation layer |
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Application publication date: 20140528 |
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