CN203931613U - A kind of LSOH anti-flaming category-A fire safe type optical fiber composite low-voltage power cable - Google Patents
A kind of LSOH anti-flaming category-A fire safe type optical fiber composite low-voltage power cable Download PDFInfo
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- CN203931613U CN203931613U CN201420317987.5U CN201420317987U CN203931613U CN 203931613 U CN203931613 U CN 203931613U CN 201420317987 U CN201420317987 U CN 201420317987U CN 203931613 U CN203931613 U CN 203931613U
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Abstract
The utility model discloses a kind of LSOH anti-flaming category-A fire safe type optical fiber composite low-voltage power cable, it can meet the requirement of Halogen, low cigarette, fire-retardant category-A, fire-resistant security feature, guarantee the fire stability of light unit, reduce the incidence of Cable Firing Accident, reduce the loss that Cable Firing Accident causes.It comprises insulated wire cores, light unit, the cable core of some described insulated wire cores and a stranded composition stranding in described smooth unit, it is characterized in that: the outer from-inner-to-outer of described cable core is enclosed with fire-resistant twining package tape successively, LSOH anti-flaming inner covering, LSOH anti-flaming oversheath, the outer ring surface of described smooth unit is evenly equipped with described insulated wire cores, described smooth unit is positioned at the inner chamber that described insulated wire cores is combined to form, described smooth unit from outer in the cross-sectional structure that is arranged in order be LSOH anti-flaming sheath, flame retardant coating, pine sleeve pipe, in the inner chamber of described loose sleeve pipe, be furnished with optical fiber.
Description
Technical field
The utility model relates to construction of cable technical field, is specially a kind of LSOH anti-flaming category-A fire safe type optical fiber composite low-voltage power cable.
Background technology
Cable Firing Accident frequently occurs all the time, and the loss that more than 70% cable fire causes is very serious, and wherein 40% fire incident causes especially big loss.This loss not only comprises the direct economic loss such as facility, goods and materials, also comprises personnel's injures and deaths, and the significant data of storing in data system.Fire for traditional occasion is shocking, and for the place of boats and ships, bank, stock exchange, this personnel of large database and significant data high concentration, the safety measure under fire condition is just even more important.
Therefore for cable, need cable to there is following security feature in the situation that of fire and require: 1) fire-retardant category-A characteristic: under case of fire, cable can effectively delay flame spreading along cable; 2) gas that cable fire discharges, the poisonous and etchant gas without gases such as hydracids, with protection personnel and device security; 3) Fired cable smoke will lack, and while improving burning, the visibility of environment, is convenient to evacuating personnel; 4) cable can ensure that circuit, network, control unit etc. keep unimpeded within a certain period of time simultaneously, so that personnel's safe escape and data stabilization transmission requirement.
Existing optical fiber composite low-voltage power cable is a kind of by power cable and the optical fiber novel cable that is combined with each other, this cable has and once lays electric power can be completed with communicating by letter simultaneously, reduce laid down cost, reduce and laid space, but it still can not meet the requirement of Halogen, low cigarette, fire-retardant category-A, fire-resistant security feature, especially domestic heatproof optical fiber technology is still immature, adopts light unit fire-resistant unstable of ordinary optic fibre.
Summary of the invention
For the problems referred to above, the utility model provides a kind of LSOH anti-flaming category-A fire safe type optical fiber composite low-voltage power cable, it can meet the requirement of Halogen, low cigarette, fire-retardant category-A, fire-resistant security feature, guarantee the fire stability of light unit, reduce the incidence of Cable Firing Accident, reduce the loss that Cable Firing Accident causes.
A kind of LSOH anti-flaming category-A fire safe type optical fiber composite low-voltage power cable, its technical scheme is such: it comprises insulated wire cores, light unit, the cable core of some described insulated wire cores and a stranded composition stranding in described smooth unit, it is characterized in that: the outer from-inner-to-outer of described cable core is enclosed with fire-resistant twining package tape successively, LSOH anti-flaming inner covering, LSOH anti-flaming oversheath, the outer ring surface of described smooth unit is evenly equipped with described insulated wire cores, described smooth unit is positioned at the inner chamber that described insulated wire cores is combined to form, described smooth unit from outer in the cross-sectional structure that is arranged in order be LSOH anti-flaming sheath, flame retardant coating, pine sleeve pipe, in the inner chamber of described loose sleeve pipe, be furnished with optical fiber.
It is further characterized in that: described flame retardant coating specifically comprises internal layer flame retardant coating, outer flame retardant coating, is furnished with minute surface aluminium strip reflector between described outer flame retardant coating, internal layer flame retardant coating;
Described internal layer flame retardant coating, outer flame retardant coating are fire-resistant fluorophlogopite belt, and described minute surface aluminium strip reflector is specially specular aluminium plastic composite strip;
Between described LSOH anti-flaming inner covering, LSOH anti-flaming oversheath, be furnished with wire armoring layer;
The outer ring surface of described smooth unit is close to and is surrounded on to adjacent described insulated wire cores;
Described insulated wire cores is combined to form in the cavity between the LSOH anti-flaming sheath of interior wall construction and described smooth unit and is furnished with glass cord, and the outermost end of the outer wall construction that described insulated wire cores is combined to form is close to described fire-resistant twining package tape; In the outer wall construction that described insulated wire cores is combined to form and the gap of described fire-resistant twining package tape, be furnished with glass cord;
Described insulated wire cores from outer in the cross-sectional structure that is arranged in order be crosslinked polyetylene insulated layer, insulated wire cores flame retardant coating, copper conductor, described insulated wire cores flame retardant coating is specially the fire-resistant fluorophlogopite belt of bilayer.
Adopt after structure of the present utility model, because light unit inner fiber is stronger than partial power to flame sensitiveness, so light unit is positioned at the center that described insulated wire cores is combined to form, make the also effectively impact of isolating exterior heat on light unit of insulated wire cores, light unit is protected, guarantee the fire stability of light unit, and because the outer from-inner-to-outer of cable core is enclosed with fire-resistant twining package tape successively, LSOH anti-flaming inner covering, LSOH anti-flaming oversheath, it makes it can meet Halogen, low cigarette, fire-retardant category-A, the requirement of fire-resistant security feature, reduce the incidence of Cable Firing Accident, reduce the loss that Cable Firing Accident causes.
Brief description of the drawings
Fig. 1 is cross-sectional structure simplified schematic diagram of the present utility model;
Fig. 2 is the cross-sectional structure schematic diagram sketch of smooth unit of the present utility model;
In figure, the title of sequence number representative is as follows: copper conductor 1, insulated wire cores flame retardant coating 2, crosslinked polyetylene insulated layer 3, glass cord 4, light unit 5, fire-resistant twining package tape 6, LSOH anti-flaming inner covering 7, wire armoring layer 8, LSOH anti-flaming oversheath 9, insulated wire cores 10, optical fiber 11, loose sleeve pipe 12, internal layer flame retardant coating 13, minute surface aluminium strip reflector 14, outer flame retardant coating 15, LSOH anti-flaming sheath 16.
Embodiment
A kind of LSOH anti-flaming category-A fire safe type optical fiber composite low-voltage power cable, see Fig. 1, Fig. 2: it comprises insulated wire cores 10, light unit 5, the cable core of some insulated wire cores 10 and a stranded composition stranding in light unit 5, the outer from-inner-to-outer of cable core is enclosed with fire-resistant twining package tape 6 successively, LSOH anti-flaming inner covering 7, LSOH anti-flaming oversheath 9, the outer ring surface of light unit 5 is evenly equipped with insulated wire cores 16, light unit 5 is positioned at the inner chamber that insulated wire cores 10 is combined to form, light unit 5 from outer in the cross-sectional structure that is arranged in order be LSOH anti-flaming sheath 16, flame retardant coating, pine sleeve pipe 12, in the inner chamber of pine sleeve pipe 12, be furnished with optical fiber 11.
Flame retardant coating specifically comprises internal layer flame retardant coating 13, outer flame retardant coating 15, is furnished with minute surface aluminium strip reflector 14 between outer flame retardant coating 15, internal layer flame retardant coating 13; Internal layer flame retardant coating 13, outer flame retardant coating 15 are fire-resistant fluorophlogopite belt, and minute surface aluminium strip reflector 14 is specially specular aluminium plastic composite strip; Wherein the surface of specular aluminium plastic composite strip is as the reflector of heat; most of reflect heat can be gone out; to reduce the impact of outside heat on fiber optic temperature; fireproof mica belt can play the buffer action of flame and heat; simultaneously in the time that temperature is spent higher than 650; can there is melting in aluminium strip; at this moment double-deck mica tape just can build the spatial accommodation of aluminium liquid; ensure under the condition higher than 650 degree; still can effectively reflect outside heat; protect internal optical fiber, further guaranteed the fire stability of light unit.
Adjacent insulated wire cores 10 is surrounded on the outer ring surface of light unit 5;
Insulated wire cores 10 is combined to form in the cavity between interior wall construction and the LSOH anti-flaming sheath 16 of light unit 5 and is furnished with glass cord 4, and the outermost end of the outer wall construction that insulated wire cores 10 is combined to form is close to fire-resistant twining package tape 6; In the gap of the outer wall construction that insulated wire cores 16 is combined to form and fire-resistant twining package tape 6, be furnished with glass cord 4;
Between LSOH anti-flaming inner covering 7, LSOH anti-flaming oversheath 9, be furnished with wire armoring layer 8;
Insulated wire cores 10 from outer in the cross-sectional structure that is arranged in order be crosslinked polyetylene insulated layer 3, insulated wire cores flame retardant coating 2, copper conductor 1, insulated wire cores flame retardant coating 2 is specially double-deck fire-resistant fluorophlogopite belt, after it ensures that conventional insulation is carbonized, insulated wire cores flame retardant coating still has very strong dielectric strength.
For LSOH anti-flaming category-A characteristic: the outer from-inner-to-outer of cable core is enclosed with fire-resistant twining package tape 6, LSOH anti-flaming inner covering 7, LSOH anti-flaming oversheath 9 successively, all adopt high flame retardant halogen-free and low-smoke flame-retardant polyolefin material, oxygen index can reach more than 36; Insulated wire cores 10 gaps adopt glass cord 4 to fill as inorganic material, greatly improve the noninflammability of cable, also improve good fire insulation effect simultaneously.
Its principle is as follows: (1), by light unit 5 is placed in to the inner chamber that insulated wire cores 16 is combined to form, makes the effectively impact of isolating exterior heat on light unit 5 of insulated wire cores 16; (2), by the specular aluminium plastic composite strip between two-layer fire-resistant fluorophlogopite belt and the two-layer fire-resistant fluorophlogopite belt of outer fiber, guarantee the stable transfer of inner optical fiber.
Above specific embodiment of the utility model is had been described in detail, but described content is only for the preferred embodiment of the invention, can not be considered to the practical range for limiting the invention.All equalization variation and improvement etc. of doing according to the invention application range, within all should still belonging to patent covering scope of the present invention.
Claims (7)
1. a LSOH anti-flaming category-A fire safe type optical fiber composite low-voltage power cable, it comprises insulated wire cores, light unit, the cable core of some described insulated wire cores and a stranded composition stranding in described smooth unit, it is characterized in that: the outer from-inner-to-outer of described cable core is enclosed with fire-resistant twining package tape successively, LSOH anti-flaming inner covering, LSOH anti-flaming oversheath, the outer ring surface of described smooth unit is evenly equipped with described insulated wire cores, described smooth unit is positioned at the inner chamber that described insulated wire cores is combined to form, described smooth unit from outer in the cross-sectional structure that is arranged in order be LSOH anti-flaming sheath, flame retardant coating, pine sleeve pipe, in the inner chamber of described loose sleeve pipe, be furnished with optical fiber.
2. a kind of LSOH anti-flaming category-A fire safe type optical fiber composite low-voltage power cable as claimed in claim 1, it is characterized in that: described flame retardant coating specifically comprises internal layer flame retardant coating, outer flame retardant coating, between described outer flame retardant coating, internal layer flame retardant coating, be furnished with minute surface aluminium strip reflector.
3. a kind of LSOH anti-flaming category-A fire safe type optical fiber composite low-voltage power cable as claimed in claim 2, it is characterized in that: described internal layer flame retardant coating, outer flame retardant coating are fire-resistant fluorophlogopite belt, described minute surface aluminium strip reflector is specially specular aluminium plastic composite strip.
4. a kind of LSOH anti-flaming category-A fire safe type optical fiber composite low-voltage power cable as claimed in claim 1, is characterized in that: between described LSOH anti-flaming inner covering, LSOH anti-flaming oversheath, be furnished with wire armoring layer.
5. a kind of LSOH anti-flaming category-A fire safe type optical fiber composite low-voltage power cable as claimed in claim 1, is characterized in that: adjacent described insulated wire cores is surrounded on the outer ring surface of described smooth unit.
6. a kind of LSOH anti-flaming category-A fire safe type optical fiber composite low-voltage power cable as claimed in claim 5, it is characterized in that: described insulated wire cores is combined to form in the cavity between the LSOH anti-flaming sheath of interior wall construction and described smooth unit and is furnished with glass cord, and the outermost end of the outer wall construction that described insulated wire cores is combined to form is close to described fire-resistant twining package tape; In the outer wall construction that described insulated wire cores is combined to form and the gap of described fire-resistant twining package tape, be furnished with glass cord.
7. a kind of LSOH anti-flaming category-A fire safe type optical fiber composite low-voltage power cable as claimed in claim 1, it is characterized in that: described insulated wire cores from outer in the cross-sectional structure that is arranged in order be crosslinked polyetylene insulated layer, insulated wire cores flame retardant coating, copper conductor, described insulated wire cores flame retardant coating is specially the fire-resistant fluorophlogopite belt of bilayer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420317987.5U CN203931613U (en) | 2014-06-13 | 2014-06-13 | A kind of LSOH anti-flaming category-A fire safe type optical fiber composite low-voltage power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420317987.5U CN203931613U (en) | 2014-06-13 | 2014-06-13 | A kind of LSOH anti-flaming category-A fire safe type optical fiber composite low-voltage power cable |
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| CN203931613U true CN203931613U (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420317987.5U Expired - Fee Related CN203931613U (en) | 2014-06-13 | 2014-06-13 | A kind of LSOH anti-flaming category-A fire safe type optical fiber composite low-voltage power cable |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106356142A (en) * | 2016-11-10 | 2017-01-25 | 国网山东省电力公司济南市长清区供电公司 | Preparation method of fire resistant cable for electric power transmission |
| CN106710680A (en) * | 2017-01-18 | 2017-05-24 | 山东聚辰电缆有限公司 | High-cold-resistance high-elasticity power cable and preparation method thereof |
| CN110570981A (en) * | 2019-09-23 | 2019-12-13 | 特变电工(德阳)电缆股份有限公司 | Flame-retardant B1-grade cable |
-
2014
- 2014-06-13 CN CN201420317987.5U patent/CN203931613U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106356142A (en) * | 2016-11-10 | 2017-01-25 | 国网山东省电力公司济南市长清区供电公司 | Preparation method of fire resistant cable for electric power transmission |
| CN106710680A (en) * | 2017-01-18 | 2017-05-24 | 山东聚辰电缆有限公司 | High-cold-resistance high-elasticity power cable and preparation method thereof |
| CN110570981A (en) * | 2019-09-23 | 2019-12-13 | 特变电工(德阳)电缆股份有限公司 | Flame-retardant B1-grade cable |
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| 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: 20141105 Termination date: 20170613 |
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| CF01 | Termination of patent right due to non-payment of annual fee |