Flexible environment-friendly aluminum alloy core fireproof cable

Abstract

The utility model discloses a flexible environment-friendly aluminum alloy core fireproof cable, and relates to the technical field of flexible environment-friendly aluminum alloy core fireproof cables. The outer surface of the first wrapping layer is fixedly connected with a first alkali-free glass fiber belt, the outer surface of the first alkali-free glass fiber belt is fixedly connected with a double-layer ceramic fireproof belt, and the outer surface of the double-layer ceramic fireproof belt is fixedly connected with a second alkali-free glass fiber belt; the outer surface of the second alkali-free glass fiber belt is fixedly connected with a flame-retardant layer, the outer surface of the flame-retardant layer is fixedly connected with a high-temperature-resistant layer, and the outer surface of the high-temperature-resistant layer is fixedly connected with a low-smoke halogen-free layer; the outer surface of the low-smoke halogen-free layer is fixedly connected with a corrosion-resistant layer, and the outer surface of the corrosion-resistant layer is fixedly connected with a second wrapping layer. The outer surface of the second wrapping layer is fixedly connected with an outer protective layer; the inner surface of the first wrapping layer is fixedly connected with a wire slot; a plurality of insulating layers are fixedly connected to the interiors of the wire grooves, and aluminum alloy conductors are fixedly connected to the interiors of the insulating layers.

Description

Technical Field

[0001] This utility model relates to the technical field of flexible and environmentally friendly aluminum alloy core fireproof cable, specifically a flexible and environmentally friendly aluminum alloy core fireproof cable. Background Technology

[0002] A cable is a device for transmitting electrical energy or signals, consisting of one or more insulated conductors encased in an insulating and protective layer. Functionally, cables are primarily used to efficiently transmit power or signals between different devices and areas. In power systems, cables transmit electrical energy from power plants to substations, and then distribute it to various user terminals, such as homes, factories, and commercial buildings. In the field of communications, cables are responsible for transmitting telephone, internet, and television signals.

[0003] However, some existing flexible and environmentally friendly aluminum alloy core cables do not have fire-resistant properties, which not only reduces the range of applications for the cables, but may also affect the safety and stability of the cables during use.

[0004] Therefore, those skilled in the art have provided a flexible, environmentally friendly aluminum alloy core fireproof cable to solve the problems mentioned in the background art. Utility Model Content

[0005] The purpose of this utility model is to provide a flexible, environmentally friendly aluminum alloy core fireproof cable to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A flexible, environmentally friendly aluminum alloy core fireproof cable includes a first wrapping layer; a first alkali-free fiberglass tape is fixedly connected to the outer surface of the first wrapping layer, a double-layer ceramicized fireproof tape is fixedly connected to the outer surface of the first alkali-free fiberglass tape, and a second alkali-free fiberglass tape is fixedly connected to the outer surface of the double-layer ceramicized fireproof tape; a flame-retardant layer is fixedly connected to the outer surface of the second alkali-free fiberglass tape, a high-temperature resistant layer is fixedly connected to the outer surface of the flame-retardant layer, and a low-smoke halogen-free layer is fixedly connected to the outer surface of the high-temperature resistant layer.

[0008] As a further embodiment of this utility model, a corrosion-resistant layer is fixedly connected to the outer surface of the low-smoke halogen-free layer, and a second wrapping layer is fixedly connected to the outer surface of the corrosion-resistant layer.

[0009] As a further embodiment of this invention, an outer protective layer is fixedly connected to the outer surface of the second wrapping layer.

[0010] As a further embodiment of this invention, a wire groove is fixedly connected to the inner surface of the first wrapping layer.

[0011] As a further scheme of the utility model, the inside of the wire slot is fixedly connected with several insulating layers, and the inside of the insulating layer is fixedly connected with an aluminum alloy conductor.

[0012] As a further scheme of the utility model, the outside of the insulating layer is fixedly connected with a filling material.

[0013] As a further scheme of the utility model, the inside wall of the first wrapping layer is fixedly connected with several fireproof strips.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1. The first and second alkali-free glass fiber belts are mainly a material woven by alkali-free glass fibers, which has good fire resistance and fireproof performance, can remain stable at high temperatures, and will not burn or melt easily like some organic materials, thereby improving the fireproof performance of the cable and providing certain heat insulation effect to protect the inside of the cable from high temperature; the double-layer ceramicized fireproof belt is mainly composed of ceramicized fireproof and fire-resistant silicone rubber and high-temperature-resistant glass fiber cloth, which can quickly form a ceramic hard and complete shell during combustion, and can well protect the smoothness of the line in case of fire, thereby not only further improving the fireproof performance of the cable, but also improving the safety and stability of the cable to a certain extent; the main material of the fireproof layer is inorganic flame retardant, such as magnesium hydroxide and aluminum hydroxide, which can decompose and absorb heat when heated, and release water molecules, thereby reducing the actual temperature of the flame, inhibiting the decomposition of high polymers and the generation of flammable gas, thereby effectively preventing the spread of the flame, and further playing a good protective role on the cable; the main material of the high-temperature-resistant layer is polytetrafluoroethylene, which can maintain stable physical and chemical properties in the temperature range of minus two hundred and fifty degrees to zero plus two hundred and sixty degrees, has good heat resistance and weather resistance, and thus can play a good protective role on the cable at high temperatures; the material of the low-smoke and halogen-free layer is mainly a silicon-based flame retardant, which is a new type of efficient, anti-dripping, environmentally friendly halogen-free flame retardant, and is also a carbon type smoke suppressant, which not only imparts excellent flame retardant properties to the base material, but also improves the processing performance and heat resistance of the base material, thereby reducing the generation of smoke and the emission of toxic gases during combustion of the cable, and further reducing the harm to the surrounding environment and personnel.

[0016] 2. The material of the corrosion-resistant layer is mainly polyvinylidene fluoride, which has excellent corrosion resistance, especially resistance to acid, alkali and organic solvents, so that not only the corrosion resistance of the cable is improved, but also the application range of the cable is widened and the service life of the cable is prolonged; the materials of the first and second wrapping layers are mainly mica tapes, which not only can protect and isolate the cable, but also can protect the cable from being damaged by the armor during the armoring, thereby further improving the protection effect on the cable. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a sectional view of a flexible and environmentally friendly aluminum alloy core fireproof cable.

[0018] In the figure: 1 - first wrapping layer, 2 - first alkali-free glass fiber tape, 3 - double-layer ceramicized fireproof tape, 4 - second alkali-free glass fiber tape, 5 - flame-retardant layer, 6 - high-temperature-resistant layer, 7 - low-smoke halogen-free layer, 8 - corrosion-resistant layer, 9 - second wrapping layer, 10 - outer protective layer, 11 - wire slot, 12 - insulation layer, 13 - aluminum alloy conductor, 14 - filling material, 15 - flame-retardant strip. DETAILED DESCRIPTION

[0019] Please refer to Figure 1 In the embodiment of the utility model, a flexible and environmentally friendly aluminum alloy core fireproof cable, including first wrapping layer 1, the outer surface of first wrapping layer 1 is fixedly connected with first alkali-free glass fiber tape 2, the outer surface of first alkali-free glass fiber tape 2 is fixedly connected with double-layer ceramicized fireproof tape 3, the outer surface of double-layer ceramicized fireproof tape 3 is fixedly connected with second alkali-free glass fiber tape 4, the outer surface of second alkali-free glass fiber tape 4 is fixedly connected with flame-retardant layer 5, the outer surface of flame-retardant layer 5 is fixedly connected with high-temperature-resistant layer 6, the outer surface of high-temperature-resistant layer 6 is fixedly connected with low-smoke halogen-free layer 7, the outer surface of low-smoke halogen-free layer 7 is fixedly connected with corrosion-resistant layer 8, the outer surface of corrosion-resistant layer 8 is fixedly connected with second wrapping layer 9, the outer surface of second wrapping layer 9 is fixedly connected with outer protective layer 10, the inner surface of first wrapping layer 1 is fixedly connected with wire slot 11, the inside of wire slot 11 is fixedly connected with a plurality of insulation layers 12, the inside of insulation layer 12 is fixedly connected with aluminum alloy conductor 13, the outside of insulation layer 12 is fixedly connected with filling material 14, the inner wall of first wrapping layer 1 is fixedly connected with a plurality of flame-retardant strips 15.

[0020] The working principle of the utility model is: the first alkali-free glass fiber tape 2 and the second alkali-free glass fiber tape 4 are mainly woven by a kind of material of alkali-free glass fiber, it has good flame-retardant performance and fire resistance, it can keep stable under high temperature, and it will not burn or melt like some organic materials, so as to improve the fire resistance of cable, and it can also provide certain heat insulation effect, protect the inside of cable from high temperature influence;The double-layer ceramicized fireproof tape 3 is mainly composed of ceramicized fireproof fire-resistant silicone rubber and high-temperature-resistant glass fiber cloth calendering composite, which can quickly form a ceramic hard and complete shell during combustion, and can protect the smoothness of the line in case of fire, so as to not only further improve the fireproof performance of the cable, but also improve the safety and stability of the cable to a certain extent;The main material of the flame-retardant layer 5 is inorganic flame retardant, such as magnesium hydroxide, aluminum hydroxide and the like, which can decompose and absorb heat when heated, and release water molecules, so as to reduce the actual temperature of the flame, inhibit the decomposition of high polymer and the generation of flammable gas, so as to effectively prevent the spread of flame, and further play a good protective effect on the cable;The main material of the high-temperature-resistant layer 6 is polytetrafluoroethylene, which can keep stable physical and chemical properties in the temperature range of minus two hundred and fifty degrees to zero plus two hundred and sixty degrees, has good heat resistance and weather resistance, so as to play a good protective effect on the cable under high temperature state;The material of the low-smoke halogen-free layer 7 is mainly silicon-based flame retardant, which is a new type of high-efficiency, anti-dripping, environment-friendly halogen-free flame retardant, which is also a carbon-forming smoke suppressant. In addition to imparting excellent flame-retardant properties to the substrate, it also improves the processability, heat resistance and other properties of the substrate, so as to reduce the generation of smoke and emission of toxic gases when the cable burns, thereby reducing the harm to the surrounding environment and personnel;The material of the corrosion-resistant layer 8 is mainly polyvinylidene fluoride, which has excellent corrosion resistance, especially resistance to acid, alkali and organic solvents, so as to not only improve the corrosion resistance of the cable, but also improve the application range of the cable and prolong the service life of the cable;The material of the first wrapping layer 1 and the second wrapping layer 9 is mainly mica tape, which not only can protect and isolate the cable, but also can protect the cable from being damaged by the armor during armoring, thereby further improving the protection effect of the cable.

[0021] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model, and any figure reference in the claims should not be regarded as limiting the involved claims.

[0022] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A flexible, environmentally friendly aluminum alloy core fireproof cable, comprising a first wrapping layer (1), a first alkali-free fiberglass tape (2), a double-layer ceramicized fireproof tape (3), and a second alkali-free fiberglass tape (4), characterized in that, The outer surface of the first wrapping layer (1) is fixedly connected to a first alkali-free fiberglass tape (2), the outer surface of the first alkali-free fiberglass tape (2) is fixedly connected to a double-layer ceramicized fireproof tape (3), the outer surface of the double-layer ceramicized fireproof tape (3) is fixedly connected to a second alkali-free fiberglass tape (4); the outer surface of the second alkali-free fiberglass tape (4) is fixedly connected to a flame-retardant layer (5), the outer surface of the flame-retardant layer (5) is fixedly connected to a high-temperature resistant layer (6), and the outer surface of the high-temperature resistant layer (6) is fixedly connected to a low-smoke halogen-free layer (7).

2. The flexible, environmentally friendly aluminum alloy core fireproof cable according to claim 1, characterized in that, The outer surface of the low-smoke halogen-free layer (7) is fixedly connected to a corrosion-resistant layer (8), and the outer surface of the corrosion-resistant layer (8) is fixedly connected to a second wrapping layer (9).

3. The flexible, environmentally friendly aluminum alloy core fireproof cable according to claim 2, characterized in that, An outer protective layer (10) is fixedly connected to the outer surface of the second wrapping layer (9).

4. The flexible, environmentally friendly aluminum alloy core fireproof cable according to claim 1, characterized in that, A wire groove (11) is fixedly connected to the inner surface of the first wrapping layer (1).

5. A flexible, environmentally friendly aluminum alloy core fireproof cable according to claim 4, characterized in that, The inside of the wire groove (11) is fixedly connected to several insulating layers (12), and the inside of the insulating layers (12) is fixedly connected to an aluminum alloy conductor (13).

6. A flexible, environmentally friendly aluminum alloy core fireproof cable according to claim 5, characterized in that, The outer side of the insulating layer (12) is fixedly connected with a filler material (14).

7. A flexible, environmentally friendly aluminum alloy core fireproof cable according to claim 1, characterized in that, Several flame-retardant strips (15) are fixedly connected to the inner wall of the first wrapping layer (1).

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