Fireproof low-resistance strong anti-oxidation power line

Abstract

The utility model discloses a fireproof low resistance strong antioxidation power line, specifically relates to power line technical field, including power line core, taped covering, protective layer, sheath layer, power line core includes a plurality of intertwisted conductor, the conductor is wrapped by insulating layer, be equipped with the packing layer among the plurality of conductor, the packing layer cross section is round, and the sheath layer cross section is round. A wrapping layer is wrapped outside the filling layer, a protective layer is arranged outside the wrapping layer, and a sheath layer is arranged outside the protective layer. The cable is provided with the fireproof layer and the metal braid layer which are made of fireproof materials or flame-retardant materials, so that the loss caused by fire disasters is reduced, and the safety is improved; through the power line core formed by twisting the plurality of oxygen-free copper wires, the cross section area of the wire core is greatly increased, the resistance is reduced, the transmission consumption is reduced, and the energy utilization rate is improved; the anti-oxidation layer can effectively resist erosion of oxygen, reduce aging of the power line in the long-term use process, and prolong the service life of the power line.

Description

[Technical field]

[0001] The utility model relates to the technical field of power lines, and more specifically to a fireproof, low-resistance and highly anti-oxidation power line. [Background technology]

[0002] A power cord is an electrical cable that contains multiple polymer wires that can be installed on a wall or bridge that can be hooked inside a building. The main function of a power cord is to bring power to home appliances and electronic products so that they can work properly. There are many different structures of power cords, the most common of which are single cable and double cable. Single cable consists of an insulated copper wire wrapped in rubber insulation, and it is used to provide power to DC devices. Double cable consists of two copper wires of opposite polarity wrapped in rubber insulation, which can transmit power more efficiently.

[0003] An existing power cord with a heat-resistant, flame-retardant and fire-proof coating, with a publication number of CN 219979211 U, comprises a power cord body, with a plug and a connector provided at both ends of the power cord body, and two protective shells are movably connected to the outer wall of the power cord body, and the surfaces of the two protective shells are integrally formed with two first clamping blocks, and the surfaces of the two protective shells are rotatably connected with sealing plates. In the utility model, the fire resistance and flame retardancy of the power cord can be improved to prevent the power cord from burning and melting when encountering an open flame, and can also provide protection for the power cord when it is carried outdoors to prevent the power cord from being worn and extending the service life of the power cord. This type of power cord has only two conductors inside, and the cross-section is small, which increases the resistance of the power cord, resulting in a large amount of consumption in the power cord when transmitting electric energy. At the same time, this type of power cord is easily oxidized, resulting in damage to the equipment and threatening the safety of the user. [Contents of the utility model]

[0004] In order to overcome the above-mentioned defects of the prior art, the purpose of the utility model is to provide a fireproof, low-resistance and highly anti-oxidation power cord, which reduces resistance and reduces transmission loss. A fireproof layer and an anti-oxidation layer are provided to protect the internal conductor from being damaged, thereby improving the safety of the power cord.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fireproof, low-resistance, and highly antioxidant power cord, comprising a power cord core, a winding layer, a protective layer, and a sheath layer, wherein the power cord core comprises a plurality of twisted conductors, the conductors are wrapped with an insulating layer, a filling layer is arranged between the plurality of conductors, the filling layer has a circular cross-section, the filling layer is wrapped with a winding layer on the outside, the winding layer is provided with a protective layer on the outside, and the protective layer is provided with a sheath layer on the outside.

[0006] Preferably, the conductor is oxygen-free copper wire.

[0007] Preferably, the filling layer is made of polyvinyl chloride or polypropylene.

[0008] Preferably, the wrapping layer is made of polyurethane or fire-resistant silicone.

[0009] Preferably, the protective layer comprises a fireproof layer, a metal braided layer and an anti-oxidation layer, the wrapping layer is provided with a fireproof layer outside, the fireproof layer is wrapped with a metal braided layer outside, and the metal braided layer is provided with an anti-oxidation layer outside.

[0010] Preferably, the fireproof layer is made of flame-retardant polyethylene, flame-retardant polyvinyl chloride or flame-retardant low-smoke halogen-free polyolefin, the metal braided layer is cross-woven with copper metal wires, and the anti-oxidation layer is made of polyethylene or cross-linked polyethylene.

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

[0012] 1. The utility model is a fireproof, low-resistance, strong anti-oxidation power cord, which is provided with a fireproof layer and a metal braided layer made of fireproof material or flame retardant material. When encountering a fire, it can effectively prevent the spread of flames, reduce the losses caused by the fire, and improve safety;

[0013] 2. The utility model is a fireproof, low-resistance, and highly anti-oxidation power cord. The power cord core is formed by twisting a number of oxygen-free copper wires, which greatly increases the cross-sectional area of ​​the core, reduces resistance, reduces transmission consumption, and improves energy utilization;

[0014] 3. The utility model discloses a fireproof, low-resistance, and highly anti-oxidation power cord, which can effectively resist the erosion of oxygen through the anti-oxidation layer, reduce the aging and damage of the power cord during long-term use, and improve the service life of the power cord.

Brief Description of the Drawings

[0015] Figure 1 This is a schematic diagram of the structure of a fireproof, low-resistance, and highly anti-oxidation power line of the utility model;

[0016] Figure 2 This is a schematic diagram of the power cord core structure of a fireproof, low-resistance, and highly anti-oxidation power cord of the utility model;

[0017] Figure 3 This is a schematic diagram of the protective layer structure of a fireproof, low-resistance, and highly anti-oxidation power line of the utility model;

[0018] In the figure: 1-power cord core, 11-conductor, 12-insulating layer, 13-filling layer, 2-wrapping layer, 3-protective layer, 31-fireproof layer, 32-metal braided layer, 33-anti-oxidation layer, 4-sheath layer. [Specific implementation method]

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1 In the embodiment of the utility model, a fireproof, low-resistance, and highly antioxidant power cord comprises a power cord core 1, a wrapping layer 2, a protective layer 3, and a sheath layer 4. The power cord core 1 comprises a plurality of twisted conductors 11, the conductors 11 are oxygen-free copper wires, the conductors 11 are wrapped with an insulating layer 12, and a filling layer 13 is arranged between the plurality of conductors 11. The filling layer 13 has a circular cross-section, and the filling layer 13 is made of polyvinyl chloride or polypropylene. The filling layer 13 is wrapped with a wrapping layer 2 on the outside, and the wrapping layer 2 is made of polyurethane or fire-resistant silicone. A protective layer 3 is provided outside the layer 2, and the protective layer 3 includes a fireproof layer 31, a metal braided layer 32, and an antioxidant layer 33. The wrapping layer 2 is provided with a fireproof layer 31 outside, and the fireproof layer 31 is wrapped with a metal braided layer 32 outside, and the metal braided layer 32 is provided with an antioxidant layer 33 outside. The fireproof layer 31 is made of flame-retardant polyethylene, flame-retardant polyvinyl chloride or flame-retardant low-smoke halogen-free polyolefin, the metal braided layer 32 is cross-woven with copper metal wires, the antioxidant layer 33 is made of polyethylene or cross-linked polyethylene, and the protective layer 3 is provided with a sheath layer 4 outside.

[0021] Working principle:

[0022] The power cord core 1 of this fireproof, low-resistance, and highly anti-oxidation power cord is formed by twisting a plurality of oxygen-free copper wire conductors 11, which increases the cross-sectional area, reduces the resistance of the power cord core 1, reduces the loss of electric power, improves the transmission efficiency, helps long-distance power transmission, and improves a certain toughness. The internal conductor 11 is fixed by the filling layer 13 and the sheathing layer 2, and a protective layer 3 is provided outside the sheathing layer 2. The protective layer is divided into a fireproof layer 31, a metal braided layer 32, and an anti-oxidation layer 33. The fireproof layer 31 helps to prevent the spread of flames in the event of a fire, reduce the losses caused by the fire, and improve the safety of the equipment. The anti-oxidation layer 33 can effectively resist the erosion of oxygen, reduce the aging and damage of the wires during long-term use, and help to increase the service life of the wires and reduce maintenance costs.

[0023] The above embodiments are intended to illustrate the present invention, not to limit the present invention. Any solution that is a simple transformation of the present invention falls within the protection scope of the present invention.

Claims

1. A fireproof, low-resistance, strong anti-oxidation power cord, Features: The power cord comprises a core (1), a wrapping layer (2), a protective layer (3), and a sheath layer (4). The core (1) of the power cord comprises a plurality of twisted conductors (11). The conductors (11) are wrapped with an insulating layer (12). A filling layer (13) is provided between the plurality of conductors (11). The filling layer (13) has a circular cross-section. The filling layer (13) is wrapped with a wrapping layer (2). The wrapping layer (2) is provided with a protective layer (3). The protective layer (3) is provided with a sheath layer (4). The protective layer (3) comprises a fireproof layer (31), a metal braided layer (32), and an anti-oxidation layer (33). The wrapping layer (2) is provided with a fireproof layer (31). The fireproof layer (31) is wrapped with a metal braided layer (32). The metal braided layer (32) is provided with an anti-oxidation layer (33).

2. A fireproof, low-resistance, strong anti-oxidation power cord as claimed in claim 1, Features: The conductor (11) is oxygen-free copper wire.

3. A fireproof, low-resistance, strong anti-oxidation power cord as claimed in claim 1, Features: The filling layer (13) is made of polyvinyl chloride or polypropylene.

4. A fireproof, low-resistance, strong anti-oxidation power cord as claimed in claim 1, Features: The wrapping layer (2) is made of polyurethane or fire-resistant silicone.

5. A fireproof, low-resistance, strong anti-oxidation power cord as claimed in claim 1, Features: The fireproof layer (31) is made of flame-retardant polyethylene, flame-retardant polyvinyl chloride or flame-retardant low-smoke halogen-free polyolefin, the metal braided layer (32) is made of cross-woven copper wires, and the anti-oxidation layer (33) is made of polyethylene or cross-linked polyethylene.

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