CN218886885U - Low-smoke flame-retardant fire-resistant aluminum alloy cable - Google Patents

Low-smoke flame-retardant fire-resistant aluminum alloy cable Download PDF

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Publication number
CN218886885U
CN218886885U CN202223189628.XU CN202223189628U CN218886885U CN 218886885 U CN218886885 U CN 218886885U CN 202223189628 U CN202223189628 U CN 202223189628U CN 218886885 U CN218886885 U CN 218886885U
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fire
retardant
layer
low
aluminum alloy
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刘永伟
贺云芳
杨旭明
吴健
马建平
刘达明
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Wuxi New Sunshine Cable Co ltd
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Wuxi New Sunshine Cable Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/14Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

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Abstract

The utility model discloses a fire-retardant fire-resistant aluminum alloy cable of low cigarette, including insulation core, cable core and fire-retardant packing rope, the cable core comprises a plurality of insulation core, filling layer and fire-retardant packing rope, the filling layer is filled a plurality of between the insulation core, set up inside the cable core after insulation core and the fire-retardant packing rope transposition, the cable core outside is provided with the fire-retardant covering of low cigarette no halogen, the fire-retardant steel band armor that is equipped with around the outside ring of covering of low cigarette no halogen, steel band armor outside ring is equipped with the polyvinyl chloride insulating layer, the outside ring of polyvinyl chloride insulating layer is equipped with fire-retardant layer, fire-retardant layer outside is equipped with the outer shielding layer, the outer shielding layer outside is equipped with the oversheath. The utility model discloses compare in insulating layer and the oversheath that simple fire-retardant sheath and organic polymer made, improved the fire-retardant fire resistance of cable, and smoke emission greatly reduced in the combustion process, heat release is low, simple structure, and the preparation is convenient is fit for promoting.

Description

Low-smoke flame-retardant fire-resistant aluminum alloy cable
Technical Field
The utility model relates to a power cable technical field, concretely relates to fire-retardant fire-resistant aluminum alloy cable of low cigarette.
Background
In the power system, the cable plays a role in transmitting electric energy, and the electric energy transmitted by the cable provides industrial production and living needs of people, so the cable plays an important role in the current society. The main line cable is generally used for transmitting and distributing high-power cables, and can not be interrupted, if the influence caused by the interruption of the main line cable is immeasurable, the basic life of people in the whole area can be seriously influenced, because the cable of the main line has very high performance requirements, one important item is the fire-resistant and high-temperature-resistant capability, the cable of the main line adopts a simple fire-resistant sheath as a main means for flame resistance at present, the fire-resistant and high-temperature-resistant capability is still poor, an insulating layer generally adopted by the existing cable and an outer sheath of an insulating wire core are generally made of organic polymers, smoke is large when fire occurs, and rescue and use are influenced, so that the low-smoke fire-resistant and fire-resistant aluminum alloy cable is provided.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to overcome the problem of single flame retardant means of the existing power cable, a low-smoke flame retardant fire-resistant aluminum alloy cable is provided.
(II) technical scheme
The utility model discloses a following technical scheme realizes: the utility model provides a fire-retardant fire-resistant aluminum alloy cable of low cigarette, a serial communication port, including insulation core, cable core and fire-retardant packing rope, the cable core comprises a plurality of insulation core, filling layer and fire-retardant packing rope, the filling layer is filled a plurality ofly between the insulation core, set up inside the cable core after insulation core and the fire-retardant packing rope transposition, the cable core outside is provided with the fire-retardant package of low smoke and zero halogen, the fire-retardant package of low smoke and zero halogen is equipped with the steel band armor around the outside ring of package, steel band armor outside ring is equipped with the polyvinyl chloride insulating layer, the outside ring of polyvinyl chloride insulating layer is equipped with fire-retardant layer, fire-retardant layer outside is equipped with the outer shielding layer, the outer shielding layer outside is equipped with the oversheath.
Furthermore, the insulating wire core comprises an aluminum alloy conductor, an insulating layer, a shielding layer and a plurality of layers of mica tapes, the insulating layer is arranged outside the conductor in a surrounding mode, the shielding layer is arranged outside the insulating layer in a surrounding mode, and the plurality of layers of mica tapes are arranged outside the shielding layer in a surrounding mode.
Further, the outer shielding layer is a double-layer metal braid layer.
Further, the outer sheath is a halogen-free low-smoke polyolefin sheath material.
Furthermore, the flame-retardant layer is made of halogen-free low-smoke flame-retardant rubber.
Further, the filling layer is filled with flame-retardant fireproof mud.
(III) advantageous effects
Compared with the prior art, the utility model, following beneficial effect has:
the utility model discloses an aluminum alloy conductor replaces the copper conductor with aluminum alloy conductor, has alleviateed the whole weight of cable, has advantages such as with low costs, light in weight, be convenient for lay in view of the relative copper cable of aluminum alloy power cable, and the corrosion resistance of aluminum alloy is superior to copper simultaneously, has improved the life-span.
2 the utility model discloses the filling layer is fire-retardant fire prevention mud, and the proportion is lighter, can not increase weight, can not have the risk of breaking or weighing down disconnected cable.
The utility model discloses a fire-retardant winding covering of low smoke and zero halogen, steel band armor and the fire-retardant layer of the low smoke flame retardant rubber of zero halogen, and the oversheath be the low smoke polyolefin sheath material of zero halogen, compare in insulating layer and the oversheath that simple fire-retardant sheath and organic polymer made, improved the fire-retardant fire resistance of cable, and the flue gas release amount greatly reduced in the combustion process, heat release amount is low, simple structure, and the preparation is convenient is fit for promoting.
4 the utility model discloses insulating core and fire-retardant packing rope transposition set up inside the cable core, and it has fire-retardant fire prevention mud to fill, improves fire-resistant flame retardant property, and has guaranteed insulating core's normal stable work.
Drawings
Fig. 1 is a schematic view of the overall cross-sectional structure of the present invention;
fig. 2 is the schematic diagram of the sectional structure of the insulated wire core of the present invention.
1. An insulated wire core; 2. a cable core; 11. an aluminum alloy conductor; 12. an insulating layer; 13. a shielding layer; 14. multilayer mica tapes; 3. a flame retardant filler rope; 4. a low-smoke halogen-free flame-retardant wrapping layer; 5. a steel tape armor layer; 6. a polyvinyl chloride insulating layer; 7. a flame retardant layer; 8. an outer shield layer; 9. an outer sheath.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-2, a fire-retardant fire-resistant aluminum alloy cable of low smoke, including insulation core 1, cable core 2 and fire-retardant filler rope 3, cable core 2 is by a plurality of insulation core 1, filling layer 10 and fire-retardant filler rope 3 are constituteed, filling layer 10 is filled between a plurality of insulation core 1, insulation core 1 sets up inside cable core 2 with fire-retardant filler rope 3 transposition back, 2 outsides of cable core are provided with the fire-retardant covering 4 of low smoke and zero halogen, the fire-retardant covering 4 outside ring of winding of low smoke and zero halogen is equipped with steel band armor 5, the outside ring of steel band armor 5 is equipped with polyvinyl chloride insulating layer 6, 6 outside rings of polyvinyl chloride insulating layer are equipped with fire-retardant layer 7, fire-retardant layer 7 outsides is equipped with outer shielding layer 8, 8 outsides of outer shielding layer is equipped with oversheath 9.
In this embodiment, specifically: insulating sinle silk 1 includes aluminum alloy conductor 11, insulating layer 12, shielding layer 13 and multilayer mica tape 14, 11 outer rings of conductor are equipped with insulating layer 12, 12 outer rings of insulating layer are equipped with shielding layer 13, 13 outer rings of shielding layer are equipped with multilayer mica tape 14, aluminum alloy conductor 11 replaces the copper conductor, the whole weight of cable has been alleviateed, in view of the relative copper cable of aluminum alloy power cable has with low costs, light in weight, be convenient for lay advantages such as, the corrosion resistance of aluminum alloy is superior to copper simultaneously, the service life is prolonged, and multilayer mica tape 14 can provide fire-retardant fire behavior for insulating sinle silk 1.
In this embodiment, specifically: the outer shielding layer 8 is a double-layer metal braid layer, and the shielding effect is good.
In this embodiment, specifically: the outer sheath 9 is a halogen-free low-smoke polyolefin sheath material, so that the flame retardant and fire resistant performance of the cable is improved, the smoke release amount in the combustion process is greatly reduced, and the heat release amount is low.
In this embodiment, specifically: the flame-retardant layer 7 is made of halogen-free low-smoke flame-retardant rubber, so that the flame-retardant and fire-resistant performance of the cable is improved, the smoke release amount in the combustion process is greatly reduced, and the heat release amount is low.
In this embodiment, specifically: the filling layer 10 is filled to fire-retardant fire prevention mud, and the filling layer 10 is fire-retardant fire prevention mud, and the proportion is lighter, can not increase weight, can not have the risk of breaking or falling disconnected cable.
The utility model provides a low smoke flame-retardant fire-resistant aluminum alloy cable, including insulation core 1, cable core 2 and fire-retardant filler rope 3, cable core 2 comprises a plurality of insulation core 1, filling layer 10 and fire-retardant filler rope 3, filling layer 10 is packed between a plurality of insulation core 1, insulation core 1 and fire-retardant filler rope 3 transposition back set up in cable core 2, cable core 2 outside is provided with low smoke zero halogen fire-retardant around covering 4, low smoke zero halogen fire-retardant around covering 4 outside ring is equipped with steel band armor 5, steel band armor 5 outside ring is equipped with polyvinyl chloride insulating layer 6, polyvinyl chloride insulating layer 6 outside ring is equipped with fire-retardant layer 7, fire-retardant layer 7 outside is equipped with outer shielding layer 8, outer shielding layer 8 outside is equipped with oversheath 9, insulation core 1 includes aluminum alloy conductor 11, insulating layer 12, shielding layer 13 and multilayer mica tape 14, conductor 11 outside ring is equipped with insulating layer 12, the shielding layer 13 is arranged on the outer ring of the insulating layer 12, the multiple layers of mica tapes 14 are arranged on the outer ring of the shielding layer 13, the aluminum alloy conductor 11 replaces a copper conductor, the whole weight of the cable is reduced, the aluminum alloy power cable has the advantages of low cost, light weight, convenience in laying and the like compared with the copper cable, meanwhile, the corrosion resistance of the aluminum alloy is superior to that of the copper, the service life is prolonged, the multiple layers of mica tapes 14 can provide flame-retardant and fireproof capacity for the insulating wire core 1, the outer shielding layer 8 is a double-layer metal braided layer, the shielding effect is good, the outer sheath 9 is a halogen-free low-smoke polyolefin sheath material, the flame-retardant layer 7 is made of halogen-free low-smoke flame-retardant rubber, compared with a simple flame-retardant sheath and an insulating layer and an outer sheath made of organic polymer, the flame-retardant and fireproof performances of the cable are improved, the smoke release amount in the combustion process is greatly reduced, and the heat release amount is low, the filling layer 10 is filled to fire-retardant fire prevention mud, and the filling layer 10 is fire-retardant fire prevention mud, and the proportion is lighter, can not increase weight, can not have the risk of breaking or falling disconnected cable.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.

Claims (6)

1. The utility model provides a fire-retardant fire-resistant aluminum alloy cable of low smoke, a serial communication port, including insulation core (1), cable core (2) and fire-retardant filler rope (3), cable core (2) comprise a plurality of insulation core (1), filling layer (10) and fire-retardant filler rope (3), filling layer (10) are filled a plurality ofly between insulation core (1), set up inside cable core (2) after insulation core (1) and fire-retardant filler rope (3) transposition, cable core (2) outside is provided with the fire-retardant covering (4) of low smoke and zero halogen, the fire-retardant covering (5) that is equipped with around covering (4) outside ring, steel band armor (5) outside ring is equipped with polyvinyl chloride insulating layer (6), polyvinyl chloride insulating layer (6) outside ring is equipped with fire-retardant layer (7), fire-retardant covering (7) outside is equipped with outer shielding layer (8), outer shielding layer (8) outside is equipped with oversheath (9).
2. The low-smoke flame-retardant fire-resistant aluminum alloy cable according to claim 1, characterized in that: the insulation cable core (1) comprises an aluminum alloy conductor (11), an insulation layer (12), a shielding layer (13) and a multilayer mica tape (14), the insulation layer (12) is arranged on the outer portion of the conductor (11) in an encircling mode, the shielding layer (13) is arranged on the outer portion of the insulation layer (12) in an encircling mode, and the multilayer mica tape (14) is arranged on the outer portion of the shielding layer (13) in an encircling mode.
3. The low-smoke flame-retardant fire-resistant aluminum alloy cable according to claim 1, characterized in that: the outer shielding layer (8) is a double-layer metal braid layer.
4. The low-smoke flame-retardant fire-resistant aluminum alloy cable according to claim 1, characterized in that: the outer sheath (9) is a halogen-free low-smoke polyolefin sheath material.
5. The low-smoke flame-retardant fire-resistant aluminum alloy cable according to claim 1, characterized in that: the flame-retardant layer (7) is made of halogen-free low-smoke flame-retardant rubber.
6. The low-smoke flame-retardant fire-resistant aluminum alloy cable according to claim 1, characterized in that: the filling layer (10) is filled with flame-retardant fireproof mud.
CN202223189628.XU 2022-11-30 2022-11-30 Low-smoke flame-retardant fire-resistant aluminum alloy cable Active CN218886885U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223189628.XU CN218886885U (en) 2022-11-30 2022-11-30 Low-smoke flame-retardant fire-resistant aluminum alloy cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223189628.XU CN218886885U (en) 2022-11-30 2022-11-30 Low-smoke flame-retardant fire-resistant aluminum alloy cable

Publications (1)

Publication Number Publication Date
CN218886885U true CN218886885U (en) 2023-04-18

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ID=85946994

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Application Number Title Priority Date Filing Date
CN202223189628.XU Active CN218886885U (en) 2022-11-30 2022-11-30 Low-smoke flame-retardant fire-resistant aluminum alloy cable

Country Status (1)

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CN (1) CN218886885U (en)

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