Flame-retardant fireproof locomotive cable

Abstract

The utility model discloses a flame-retardant fire-resistant locomotive cable, which comprises a wire core assembly, a copper conductor is arranged on the outer side of the copper conductor, the wire core assembly is composed of the copper conductor, an insulating layer and a high flame-retardant layer, the insulating layer is wrapped outside the copper conductor, the high flame-retardant layer is wrapped outside the insulating layer, and the high flame-retardant layer is embedded in a separation sheet in the high flame-retardant layer. Wherein breaking assemblies are arranged at the two ends of the two separation sheets, and the separation sheets and the breaking assemblies are arranged on the outer side of the insulating layer. The cable is fire-resistant, wear-resistant and high in pressure resistance.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable technical field, concretely relates to a fire -retardant fire -resistant locomotive cable. BACKGROUND

[0002] In the application of modern locomotive cable, the flame retardant and fire resistance performance is the key factor to ensure safety and reliability. In the prior art, although certain cable has certain flame retardant performance, but the performance in high temperature environment still has limitation, especially when exposed to extreme conditions for a long time, the insulation layer may fail, thereby causing short circuit or fire hazard and other safety hazards. Therefore, a new type of fire -retardant fire -resistant locomotive cable is needed to improve its safety and stability in high temperature environment. SUMMARY

[0003] The utility model aims at the insufficient of above -mentioned background art, provides a fire -retardant fire -resistant locomotive cable, it has the characteristics of fire -resistant, wear -resistant and strong compression resistance.

[0004] To achieve the above object, the utility model discloses a fire -retardant fire -resistant locomotive cable adopts the following technical scheme:

[0005] A fire -retardant fire -resistant locomotive cable, comprising:

[0006] Wire core assembly, wherein, including copper conductor, the outer side of the copper conductor is provided with wire core assembly and is composed of copper conductor, insulation layer and high flame -retardant layer, the diameter of copper conductor should be between 0.5mm to 10mm, selects according to different current demand, and the copper conductor is wrapped with insulation layer outside, and the insulation layer adopts polyvinyl chloride (PVC), crosslinked polyethylene (XLPE) or other high -performance insulating material, and the thickness should be determined according to voltage grade and use environment, generally 0.5mm to 2mm, and the insulation layer is wrapped with high flame -retardant layer outside, and the high flame -retardant layer selects high -temperature resistant material, such as polytetrafluoroethylene (PTFE), modified polyester or other materials with excellent flame -retardant performance, and the thickness of high flame -retardant layer should be between 1mm to 3mm, to ensure the safety in high temperature environment;

[0007] The spacer is embedded in the high flame -retardant layer, wherein the two ends of the spacer are provided with breaking assembly, the spacer and breaking assembly are arranged outside the insulation layer, the two ends of the spacer are provided with breaking assembly, and the breaking assembly can be hot melt adhesive or mechanical lock structure, to ensure that the spacer can be effectively broken under certain conditions.

[0008] The utility model discloses a fire -retardant fire -resistant locomotive cable further improves in that a supporting frame is further arranged outside the insulation layer. The supporting frame is made of aluminum alloy or plastic material, to ensure light weight and strength.

[0009] A further improvement of this utility model regarding a flame-retardant and fire-resistant locomotive cable lies in the fact that the support frame is a hexagonal support frame. The dimensions of the support frame should be designed according to the outer diameter of the cable to ensure that the shape of the high flame-retardant layer support frame is hexagonal, thereby improving structural stability and compressive strength. The dimensions of the support frame should also be designed according to the outer diameter of the cable to ensure a tight bond with the high flame-retardant layer.

[0010] A further improvement of this utility model of a flame-retardant and fire-resistant locomotive cable is that the diameter of the copper conductor is between 0.5 mm and 10 mm.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] 1. The combination of high-performance insulation materials and a high flame-retardant layer significantly improves the safety of the cable in high-temperature environments.

[0013] 2. The design of the separator and breaking components enables the cable to be effectively broken under specific conditions, preventing further damage to the battery core and enhancing the cable's flexibility and adaptability.

[0014] 3. The hexagonal support frame design not only improves the structural stability of the cable but also enhances its compressive strength, ensuring the cable's reliability in harsh environments. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] In the diagram: 1. Copper conductor; 2. Insulation layer; 3. High flame retardant layer; 4. Separator; 5. Support frame. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] like Figure 1 As shown, a flame-retardant and fire-resistant locomotive cable includes:

[0019] The wire core assembly comprises a copper conductor 1, an insulating layer 2 and a high flame-retardant layer 3, the diameter of the copper conductor is between 0.5mm and 10mm, the copper conductor is wrapped with the insulating layer, the insulating layer is made of polyvinyl chloride (PVC), cross-linked polyethylene (XLPE) or other high-performance insulating materials, the thickness of the insulating layer is determined according to the voltage grade and the use environment, generally between 0.5mm and 2mm, the insulating layer is wrapped with the high flame-retardant layer, the high flame-retardant layer is made of high-temperature-resistant materials such as polytetrafluoroethylene (PTFE), modified polyester or other materials with excellent flame-retardant properties, the thickness of the high flame-retardant layer is between 1mm and 3mm to ensure safety in high-temperature environments.

[0020] The two ends of the partition sheet 4 embedded in the high flame-retardant layer are provided with breaking assemblies, the partition sheet and the breaking assemblies are arranged outside the insulating layer, the two ends of the partition sheet are provided with breaking assemblies, the breaking assemblies can be hot melt glue or mechanical lock structures to ensure that they can be effectively broken under certain conditions.

[0021] Specifically, a supporting frame 5 is arranged outside the insulating layer. The supporting frame is made of aluminum alloy or plastic material to ensure light weight and strength.

[0022] Specifically, the supporting frame is a hexagonal supporting frame. The size of the supporting frame should be designed according to the outer diameter of the cable to ensure that the shape of the high flame-retardant layer is hexagonal to improve the structural stability and pressure resistance, and the size of the supporting frame should be designed according to the outer diameter of the cable to ensure that the high flame-retardant layer is tightly combined.

[0023] Specifically, the diameter of the copper conductor is between 0.5mm and 10mm.

[0024] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. A flame and fire retardant railroad cable characterized by, The application relates to a wire core assembly, which comprises a copper conductor, the outer side of the copper conductor being provided with the wire core assembly, the wire core assembly being composed of the copper conductor, an insulating layer and a high-flame-retardant layer, the copper conductor being wrapped with the insulating layer, and the insulating layer being wrapped with the high-flame-retardant layer; and a partition sheet embedded in the high-flame-retardant layer, the two ends of the partition sheet being provided with breaking assemblies, and the partition sheet and the breaking assemblies being arranged on the outer side of the insulating layer. The outer side of the insulating layer is further provided with a supporting frame.

2. A flame and fire retardant railroad cable according to claim 1, characterized in that: The supporting frame is a hexagonal supporting frame.

3. A fire and flame resistant, fire survival locomotive cable according to claim 2, wherein: The diameter of the copper conductor is between 0.5 mm and 10 mm.

4. A fire and flame resistant, fire survival railroad cable according to claim 1 wherein: ​

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