CN223193570U - Fireproof isolation wire and cable - Google Patents

Abstract

The utility model discloses a fireproof isolation wire and cable, which comprises a connecting end, a cable core and a protective jacket, wherein an external thread is arranged on the outer side surface of the connecting end, one end of the connecting end is fixedly connected with the protective jacket, the cable core is arranged in the protective jacket and the connecting end in a penetrating manner, an isolation layer is adhered to the outer side surface of the cable core, a flame-retardant layer is adhered to the outer side of the isolation layer, an insulating layer is adhered to the outer side of the flame-retardant layer, a waterproof layer is adhered to the outer side of the insulating layer, and an anti-aging layer is adhered to the outer side of the waterproof layer.

Description

Fireproof isolation wire and cable

Technical Field

The utility model belongs to the technical field of wires and cables, and particularly relates to a fireproof isolation wire and cable.

Background

Wire and cable are carriers for the transmission of electrical energy and signals, and are generally composed of one or more insulated conductors (cores) and possibly a metallic sheath, an insulating layer and a protective layer. Wires are cables with a small number of conductors, typically comprising one to four cores, while cables comprise more cores and may have a complex structure and multiple functions.

In the existing wire and cable design and application, most conventional products do not consider fireproof performance specially, which means that when a fire disaster or other high-temperature disaster event occurs, the wire and cable may be damaged rapidly due to intolerance of high temperature, so that the power system is disabled, the difficulty of personnel evacuation is increased, the risk of fire spread is increased, and property loss caused by the fire disaster may be aggravated. Therefore, in order to improve the safety and reliability of the electric wire and cable in the case of fire, it is necessary to develop and apply an electric wire and cable product with a fireproof function, so as to reduce the influence of high-temperature disasters on the electric wire and cable, ensure the stable operation of the electric power system, and reduce the potential loss caused by fire.

Disclosure of utility model

The utility model aims to overcome the existing defects, and provides a fireproof isolation wire and cable, so as to solve the problems that in the prior art, most conventional products do not specially consider fireproof performance in the existing wire and cable design and application, which means that when a fire disaster or other high-temperature disaster event occurs, the wire and cable can be damaged rapidly due to intolerance of high temperature, thereby causing the failure of a power system, increasing the difficulty of personnel evacuation, increasing the risk of fire spread and possibly exacerbating property loss caused by the fire disaster.

The fireproof isolation wire and cable comprises a connecting end, a cable core and a protective jacket, wherein external threads are arranged on the outer side surface of the connecting end, one end of the connecting end is fixedly connected with the protective jacket, the cable core is arranged in the protective jacket and the connecting end in a penetrating mode, an isolation layer is adhered to the outer side surface of the cable core, a flame-retardant layer is adhered to the outer side of the isolation layer, an insulating layer is adhered to the outer side of the flame-retardant layer, a waterproof layer is adhered to the outer side of the insulating layer, an anti-aging layer is adhered to the outer side of the waterproof layer, a flame-retardant reinforcing layer is adhered to the outer side of the anti-aging layer, and an outer protective layer is adhered to the outer side of the flame-retardant reinforcing layer.

Preferably, the inner part of the isolation layer is made of expanded perlite.

Preferably, the flame retardant layer is made of bio-based polylactic acid fiber.

Preferably, the insulating layer is made of silicone rubber.

Preferably, the waterproof layer is a nano coating.

Preferably, the anti-aging layer is made of graphene reinforced polymer.

Preferably, the flame retardant reinforcing layer is made of halogen-free flame retardant polyolefin.

Preferably, the inside of the outer protective layer is made of environment-friendly thermoplastic polyurethane.

Compared with the prior art, the utility model provides a fireproof isolation wire and cable, which comprises the following components

The beneficial effects are that:

1. According to the utility model, through the arrangement of the isolating layer, the isolating layer is made of expanded perlite, the expanded perlite has excellent heat insulation and fireproof performance, the temperature of the electric wire in the operation process can be effectively reduced, the safety performance of the electric wire is improved, as the innermost layer, a good heat barrier is provided for preventing heat from affecting conductors, and the problem that most conventional products do not specially consider fireproof performance in the existing electric wire and cable design and application is effectively avoided, so that when a fire disaster or other high-temperature disaster event occurs, the electric wire and cable can be damaged rapidly due to intolerance of high temperature, thereby causing the failure of an electric power system, increasing the difficulty of personnel evacuation, improving the risk of fire spread and possibly aggravating the problem of property loss caused by the fire disaster;

2. The utility model is convenient to connect two sections of wires and cables for use through the arranged connecting end and the external thread, and the arranged flame-retardant layer is made of biological polylactic acid fiber, so that the protective jacket has good flame retardant property, can effectively slow down flame spreading and reduce the influence of environment;

3. The waterproof layer is a nano coating, so that the cable has a lotus leaf effect, moisture is prevented from invading the inside of the electric wire, the service life of the electric wire is guaranteed, the anti-aging layer is arranged, the anti-aging layer is a graphene reinforced polymer, the protective jacket has excellent mechanical property and anti-aging property, the wear resistance of the electric wire can be improved, the service life of the electric wire can be prolonged, the flame-retardant reinforcing layer is made of halogen-free flame-retardant polyolefin, the protective jacket of the cable has the characteristics of environmental protection, low smoke and no halogen, the extra flame retardant property can be provided, the emission of harmful gas in combustion is reduced, the outer jacket is made of environmental protection type thermoplastic polyurethane, the protective jacket of the cable has good mechanical strength, wear resistance and flame retardant property, the internal structure of the electric wire can be protected, the integral property of the electric wire is improved, and meanwhile, the cable has good biodegradability and is beneficial to environmental protection.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate and together with the embodiments of the utility model and do not constitute a limitation to the utility model, and in which:

Fig. 1 is a schematic perspective view of a fireproof insulated wire and cable according to the present utility model;

Fig. 2 is a front view of a fire-resistant insulated wire and cable according to the present utility model;

FIG. 3 is a cross-sectional view of a fire-resistant insulated wire and cable according to the present utility model;

FIG. 4 is an enlarged view of the fire-resistant insulated wire and cable of FIG. 3A according to the present utility model;

In the figure, 1, a connecting end, 2, external threads, 3, a cable core, 4, a protective jacket, 401, a flame retardant layer, 402, an insulating layer, 403, a waterproof layer, 404, an anti-aging layer, 405, a flame retardant reinforcing layer, 406, an outer protective layer and 5, and an isolation layer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the utility model provides a technical scheme, which comprises a connecting end 1, a cable core 3 and a protective sleeve 4, wherein the outer side surface of the connecting end 1 is provided with an external thread 2, one end of the connecting end 1 is fixedly connected with the protective sleeve 4, the cable core 3 is arranged in the protective sleeve 4 and the connecting end 1 in a penetrating way, the outer side surface of the cable core 3 is adhered with an isolation layer 5, the outer side of the isolation layer 5 is adhered with a flame retardant layer 401, the outer side of the flame retardant layer 401 is adhered with an insulating layer 402, the outer side of the insulating layer 402 is adhered with a waterproof layer 403, the outer side of the waterproof layer 403 is adhered with an anti-aging layer 404, the outer side of the anti-aging layer 404 is adhered with a flame retardant reinforcing layer 405, the outer side of the flame retardant reinforcing layer 405 is adhered with an outer protective layer 406, the isolation layer 5 is made of expanded perlite, the expanded perlite has excellent heat insulation performance and fireproof performance, the temperature in the wire operation process can be effectively reduced, the safety performance of the wire is improved as the innermost layer, the cable provides a good heat barrier, the influence of the heat on a conductor is effectively avoided, the conventional wire and cable design and the application in the cable has a large number of the cable, the fire disaster can not be easily caused by the conventional fire disaster, or the fire disaster can be prevented from being caused by the high-spreading of the wire and the fire disaster, and the fire disaster can be rapidly or the fire disaster can be increased by the high-resistant cable, and the fire accident can cause the fire accident can be caused by the high-proof and the fire accident when the wire and the fire accident can rapidly, and the fire accident can be caused by the high-proof and the high-resistant cable and the fire-resistant cable.

In the present utility model, the inside of the separator 5 is preferably made of expanded perlite.

In the utility model, preferably, the flame retardant layer 401 is made of bio-based polylactic acid fiber, and the flame retardant layer 401 is made of bio-based polylactic acid fiber, so that the protective outer sleeve 4 has good flame retardant property, flame spread can be effectively slowed down, and meanwhile, the influence of the environment is reduced.

In the utility model, preferably, the inside of the insulating layer 402 is made of silicone rubber, and the insulating layer 402 is made of silicone rubber, so that the cable has good high temperature resistance and excellent electrical insulation performance, the insulation performance of the electric wire can be improved, and the safe operation of the electric wire can be ensured.

In the utility model, the waterproof layer 403 is preferably a nano coating, and the waterproof layer 403 is the nano coating, so that the cable has lotus leaf effect, can effectively prevent water from entering the inside of the electric wire, and ensures the service life of the electric wire.

In the utility model, the anti-aging layer 404 is preferably made of a graphene reinforced polymer, and the anti-aging layer 404 is arranged, so that the protective outer sleeve 4 has excellent mechanical property and anti-aging property, the wear resistance of the electric wire can be improved, and the service life of the electric wire can be prolonged.

In the utility model, preferably, the flame-retardant reinforcing layer 405 is made of halogen-free flame-retardant polyolefin, and the flame-retardant reinforcing layer 405 is made of halogen-free flame-retardant polyolefin, so that the cable protective jacket 4 has the characteristics of environmental protection, low smoke and no halogen, can provide additional flame retardant performance, and reduces the emission of harmful gases during combustion.

In the utility model, the inside of the outer protective layer 406 is preferably made of environment-friendly thermoplastic polyurethane, and the inside of the outer protective layer 406 is made of environment-friendly thermoplastic polyurethane through the arranged outer protective layer 406, so that the protective jacket 4 of the cable has good mechanical strength, wear resistance and flame retardance, the internal structure of the electric wire can be protected, the overall performance of the electric wire is improved, and meanwhile, the electric wire has good biodegradability and is beneficial to environmental protection.

When the utility model is used, firstly, two sections of wires and cables to be connected are prepared, the connecting end head 1 at one end is inserted into the connecting end head 1 at the other end, so that cable cores 3 at the two ends are aligned, then the connecting end head 1 is rotated, external threads 2 are connected with each other, and the two sections of wires and cables are fixed. Next, the isolation layer 5 is adhered to the outer side surface of the cable core 3, and the isolation layer 5 is made of expanded perlite, so that the cable has good heat insulation and fireproof performance, the temperature in the operation process of the electric wire can be effectively reduced, and the safety performance of the electric wire is improved. The flame-retardant layer 401 is adhered to the outer side of the isolation layer 5, and the flame-retardant layer 401 is made of bio-based polylactic acid fiber, so that the flame-retardant coating has good flame-retardant performance, can effectively slow down flame propagation, and reduces the influence of the environment. Then, the insulating layer 402 is adhered to the outer side of the flame retardant layer 401, and the insulating layer 402 is made of silicone rubber, so that the high-temperature-resistant electric wire has good high-temperature resistance and excellent electric insulating property, the insulating property of the electric wire can be improved, and the safe operation of the electric wire is ensured. The waterproof layer 403 is adhered to the outer side of the insulating layer 402, the waterproof layer 403 adopts a nano coating, has a lotus leaf effect, can effectively prevent water from invading into the electric wire, and ensures the service life of the electric wire. Next, an anti-aging layer 404 is adhered to the outer side of the waterproof layer 403, and the anti-aging layer 404 is made of graphene reinforced polymer, so that the anti-aging waterproof wire has excellent mechanical properties and anti-aging properties, and can improve the wear resistance of the wire and prolong the service life of the wire. Then, a flame-retardant reinforcing layer 405 is adhered to the outer side of the anti-aging layer 404, the flame-retardant reinforcing layer 405 is made of halogen-free flame-retardant polyolefin, the flame retardant has the characteristics of environmental protection, low smoke and no halogen, can provide additional flame retardant property, and reduces the emission of harmful gases during combustion. Finally, the outer protective layer 406 is adhered to the outer side of the outer protective layer 406, and the outer protective layer 406 is made of environment-friendly thermoplastic polyurethane, so that the electric wire has good mechanical strength, wear resistance and flame retardance, can protect the inner structure of the electric wire, improves the overall performance of the electric wire, has good biodegradability, and is beneficial to environmental protection.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The fireproof isolation wire and cable comprises a connecting end (1), a cable core (3) and a protective jacket (4), and is characterized in that an external thread (2) is arranged on the outer side surface of the connecting end (1), one end of the connecting end (1) is fixedly connected with the protective jacket (4), the cable core (3) is arranged in the protective jacket (4) and the connecting end (1) in a penetrating mode, an isolation layer (5) is adhered to the outer side surface of the cable core (3), a flame-retardant layer (401) is adhered to the outer side of the isolation layer (5), an insulating layer (402) is adhered to the outer side of the flame-retardant layer (401), a waterproof layer (403) is adhered to the outer side of the insulating layer (402), an anti-aging layer (404) is adhered to the outer side of the waterproof layer (403), and an outer protection layer (406) is adhered to the outer side of the anti-aging layer (404).

2. A fire-proof insulated wire and cable according to claim 1, characterized in that the inside of the insulation layer (5) is made of expanded perlite.

3. The fireproof insulation wire and cable of claim 1, wherein the flame retardant layer (401) is made of bio-based polylactic acid fiber.

4. A fire-resistant insulated wire and cable according to claim 1, characterized in that the inside of the insulating layer (402) is made of silicone rubber.

5. A fire-resistant insulated wire and cable according to claim 1, characterized in that the waterproof layer (403) is a nano-coating.

6. The fire-resistant insulated wire and cable according to claim 1, wherein the anti-aging layer (404) is made of graphene reinforced polymer.

7. The fire-resistant insulated wire and cable according to claim 1, characterized in that the flame-retardant reinforcing layer (405) is made of halogen-free flame-retardant polyolefin.

8. The fire-resistant insulated wire and cable according to claim 1, wherein the outer sheath (406) is made of environment-friendly thermoplastic polyurethane.