A heat-resistant and wear-resistant power cord

Abstract

This utility model discloses a temperature-resistant and wear-resistant power cord, relating to the field of power cords. It includes a power cord body with two cores and two reinforcing members running through it, and four optical fibers running through it. The power cord body includes an outer sheath, the inner wall of which is wrapped with a flame-retardant layer. A high-temperature resistant layer is fixedly connected to the inner wall of the flame-retardant layer, and a protective layer is wrapped around the inner wall of the high-temperature resistant layer. This temperature-resistant and wear-resistant power cord, with its outer sheath, flame-retardant layer, high-temperature resistant layer, heat insulation layer, and insulation layer, achieves temperature resistance, wear resistance, tensile strength, and electrical insulation, meeting the needs of various complex working environments. Furthermore, the inclusion of a PVC sheath and a protective sheath further enhances the wear and corrosion resistance of the power cord, enabling it to operate safely and stably under complex environmental conditions.

Description

Technical Field

[0001] This utility model relates to the field of power cord technology, specifically a temperature-resistant and wear-resistant power cord. Background Technology

[0002] Power cords are conductors that transmit electrical energy. They act as a bridge between the power source and the electrical equipment, ensuring a stable and safe delivery of electrical energy from the power source to the equipment, enabling it to operate normally. They are widely used in electrical equipment in various places such as homes, offices, factories, schools, hotels, and hospitals. However, existing power cords, due to their common only having insulation and fire-resistant properties and lacking waterproofing, have a relatively short service life.

[0003] To overcome the aforementioned deficiencies, existing technology (Chinese patent application number: 201721433823.9, filed on October 31, 2017) discloses a fire-resistant and heat-resistant waterproof power cord, comprising a first stranded conductor, a second stranded conductor, and a third stranded conductor. Each of the first, second, and third stranded conductors is wrapped with a waterproof layer, and each waterproof layer is further wrapped with a fire-resistant layer. A first marking layer is wrapped around the fire-resistant layer of the first stranded conductor, a second marking layer around the fire-resistant layer of the second stranded conductor, and a third marking layer around the fire-resistant layer of the third stranded conductor. The entire outer surface of the first, second, and third marking layers is covered with a transparent sheath. This power cord is flame-retardant, fire-resistant, and waterproof, improving product safety, identifiability, and lifespan. Furthermore, the first, second, and third marking layers easily distinguish between the live wire, ground wire, and neutral wire, ensuring safe, convenient, and reliable wiring.

[0004] Although existing technologies can make power cords flame-retardant, fire-resistant, and waterproof, their temperature resistance is limited. Under long-term high-temperature environments, the insulation performance of power cords is prone to decline, increasing the risk of short circuits and affecting service life. In addition, the lack of abrasion and tensile strength makes it difficult for power cords to adapt to high-temperature, high-wear, or strong electromagnetic interference environments, thus limiting their working environment.

[0005] Therefore, we proposed a temperature-resistant and wear-resistant power cord that can effectively solve the above problems. Utility Model Content

[0006] The purpose of this utility model is to provide a temperature-resistant and wear-resistant power cord to solve the problems mentioned in the background art. Currently, due to the limited temperature resistance of power cords, the insulation performance of power cords is prone to decline under long-term high-temperature environments, which increases the risk of short circuits and affects service life. In addition, the lack of wear-resistant and tensile strength makes it difficult for power cords to adapt to high-temperature, high-wear, or strong electromagnetic interference environments, thus limiting the working environment.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a temperature-resistant and wear-resistant power cord, comprising a power cord body, wherein two cores penetrate the interior of the power cord body, two reinforcing members penetrate the interior of the power cord body, and four optical fibers penetrate the interior of the power cord body; the power cord body includes an outer sheath, the inner wall of which is wrapped with a flame-retardant layer, the inner wall of which is fixedly connected with a high-temperature resistant layer, the inner wall of which is wrapped with a protective layer, and the inner wall of which is fixedly connected with a heat insulation layer; the inner wall of which is wrapped with an insulating layer, the insulating layer being located on the outer wall of the cores, reinforcing members, and optical fibers, and the inner wall of which is wrapped with an insulating core.

[0008] As a preferred technical solution of this application, the core includes a PVC sheath, and the inside of the PVC sheath is wrapped with a copper conductor, which is made of several copper wires twisted together. The PVC sheath wraps around the copper conductor made of several copper wires twisted together. The PVC material has good flexibility and insulation properties, which can prevent current leakage and isolate the copper conductor from the external environment.

[0009] As a preferred technical solution of this application, the reinforcing member includes a wire sheath, the inside of which is wrapped with a wire core. The wire core is made of aramid fiber material, and the wire sheath, made of rubber material, tightly wraps around the outside of the wire core, which has a certain degree of wear resistance and aging resistance, and can protect the wire core from the erosion of the external environment.

[0010] As a preferred technical solution of this application, the flame-retardant layer is tightly bonded to the outer sheath and the high-temperature resistant layer. The flame-retardant layer is made of halogen-free flame-retardant material, the outer sheath is made of polyvinyl chloride material, and the high-temperature resistant layer is made of fluoroplastic material. Because the high-temperature resistant layer is made of fluoroplastic material, it has excellent high-temperature resistance and can maintain stability in high-temperature environments, enabling the power cord to work normally in high-temperature environments.

[0011] As a preferred technical solution of this application, the heat insulation layer and the protective layer and the insulating layer are fixedly connected, and the heat insulation layer is made of ceramic fiber material, the protective layer is made of polytetrafluoroethylene propylene material, and the insulating layer is made of cross-linked polyethylene material. The protective layer made of polytetrafluoroethylene propylene material has good chemical stability and corrosion resistance, and can resist the erosion of a variety of chemical substances.

[0012] As a preferred technical solution of this application, the insulating core is filled in the gap between the heat insulation layer and the core, the reinforcing member and the optical fiber body. The insulating core is composed of several aramid fiber ropes. The heat insulation layer, made of ceramic fiber material, has an extremely low thermal conductivity and can effectively prevent the transfer of heat.

[0013] As a preferred technical solution of this application, the core wire and the sheath wire are connected by a wrapping connection. The sheath wire is made of rubber material. The rubber sheath wire tightly wraps around the outside of the core wire. When the power cord is subjected to external forces such as bending or squeezing, the rubber material can undergo elastic deformation to buffer the impact of external forces on the core wire and reduce damage to the core wire.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: This temperature-resistant and wear-resistant power cord, by setting an outer sheath, a flame-retardant layer, a high-temperature resistant layer, a heat insulation layer, and an insulation layer, easily achieves temperature resistance, wear resistance, tensile strength, and electrical insulation effects, which can meet the usage requirements of different complex working environments. Furthermore, the addition of a PVC sheath and a wire sheath facilitates further wear and corrosion resistance, enabling the power cord to work safely and stably under complex environmental conditions. Specific details are as follows:

[0015] 1. The power cord is equipped with an outer sheath, a flame-retardant layer, a high-temperature resistant layer, a heat insulation layer, and an insulating layer. The outer sheath and protective layer enhance the power cord's abrasion resistance, the flame-retardant layer prevents the spread of flames to a certain extent, and the synergistic effect of the high-temperature resistant layer and the heat insulation layer enables the power cord to maintain the stability of its internal structure and normal electrical performance in high-temperature environments. The insulating layer prevents current leakage, thus achieving the power cord's temperature resistance, abrasion resistance, tensile strength, and electrical insulation effects. It can meet the usage requirements of different complex working environments and has high reliability and stability.

[0016] 2. A PVC sheath and a rubber sheath are provided. The PVC sheath ensures the electrical insulation, abrasion resistance, and chemical corrosion resistance of the copper conductor, while the rubber sheath enhances the flexibility of the power cord and its protection of the wire core. This allows the power cord to work safely and stably under complex environmental conditions, further improving its abrasion resistance and corrosion resistance. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the main cross-sectional structure of the present utility model;

[0019] Figure 3 This is a partial structural diagram of the power cord body, core, and reinforcing member of this utility model;

[0020] Figure 4 This is a partial top view of the power cord body, core, and reinforcing member of this utility model;

[0021] Figure 5 This is a top sectional view of the power cord body, core, and reinforcing member of this utility model.

[0022] Figure 6 This utility model Figure 5 Enlarged structural diagram at point A in the middle.

[0023] In the diagram: 1. Power cord body; 2. Core; 3. Reinforcing member; 4. Optical fiber body; 5. Outer sheath; 6. Flame retardant layer; 7. High temperature resistant layer; 8. Protective layer; 9. Heat insulation layer; 10. Insulation layer; 11. Copper conductor; 12. PVC sheath; 13. Sheathed core; 14. Sheathed sheath; 15. Insulating core. Detailed Implementation

[0024] 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.

[0025] Please see Figures 1-6 The present invention provides the following technical solution:

[0026] Example 1: To address the limitations of commercially available power cords in terms of temperature resistance, which can lead to decreased insulation performance, increased short-circuit risk, and reduced lifespan under prolonged high-temperature environments, and the lack of abrasion and tensile strength, making them unsuitable for high-temperature, high-abrasion, or strong electromagnetic interference environments and restricting their working conditions, this example discloses a temperature-resistant and abrasion-resistant power cord. The technical details are provided in the attached document. Figure 1 -Appendix Figure 5The system includes a power cord body 1, with two cores 2 and two reinforcing members 3 passing through its interior, and four optical fiber bodies 4 passing through its interior. The power cord body 1 also includes an outer sheath 5, the inner wall of which is covered with a flame-retardant layer 6. A high-temperature resistant layer 7 is fixedly connected to the inner wall of the flame-retardant layer 6. A protective layer 8 is wrapped around the inner wall of the high-temperature resistant layer 7, and a heat insulation layer 9 is fixedly connected to the inner wall of the protective layer 8. An insulation layer 10 is wrapped around the inner wall of the heat insulation layer 9, located on the outer wall of the cores 2, reinforcing members 3, and optical fiber bodies 4. It has an insulating core 15; the flame retardant layer 6 is tightly bonded to the outer sheath 5 and the high-temperature resistant layer 7, and the flame retardant layer 6 is made of halogen-free flame retardant material, the outer sheath 5 is made of polyvinyl chloride material, and the high-temperature resistant layer 7 is made of fluoroplastic material; the heat insulation layer 9 is fixedly connected to the protective layer 8 and the insulating layer 10, and the heat insulation layer 9 is made of ceramic fiber material, the protective layer 8 is made of perfluoroethylene propylene material, and the insulating layer 10 is made of cross-linked polyethylene material; the insulating core 15 fills the gap between the heat insulation layer 9 and the core 2, the reinforcing member 3 and the optical fiber body 4, and the insulating core 15 is composed of several aramid fiber ropes.

[0027] The outer sheath 5, serving as the outermost layer of the power cord, is in direct contact with the external environment. Made of polyvinyl chloride (PVC), it possesses good flexibility and abrasion resistance, effectively preventing surface wear and scratches, protecting the internal structure from external physical damage, and extending the power cord's lifespan. Combined with the flame-retardant layer 6, made of halogen-free flame-retardant material, this material decomposes upon contact with a fire source, producing non-flammable gases that dilute surrounding combustible gases and oxygen concentrations, thus inhibiting combustion. Simultaneously, the halogen-free flame-retardant material itself is not easily flammable, effectively preventing the spread of flames and significantly improving the power cord's flame-retardant performance, reducing the risk of fire. The high-temperature resistant layer 7, made of fluoroplastics, exhibits excellent high-temperature resistance, maintaining stability in high-temperature environments, allowing the power cord to operate normally under these conditions. This, combined with the protective layer 8 made of perfluoroethylene propylene (PFEP), provides excellent chemical resistance. It possesses excellent stability and corrosion resistance, resisting the erosion of various chemicals. It also exhibits a certain degree of flexibility and mechanical strength, providing additional protection for the internal structure. This prevents the power cord from being corroded by chemicals and protects the internal core 2, reinforcing member 3, and optical fiber body 4 from damage. The heat insulation layer 9, made of ceramic fiber material, has an extremely low thermal conductivity, effectively preventing heat transfer. When the power cord is exposed to high temperatures, the ceramic fiber material blocks heat transfer to the interior, reducing the temperature of the internal core 2, reinforcing member 3, and optical fiber body 4, ensuring stable electrical performance of the power cord in high-temperature environments. Combined with the insulation layer 10 made of cross-linked polyethylene material, it has excellent electrical insulation properties, effectively preventing current leakage and ensuring the electrical safety of the power cord. This improves the reliability and stability of the power cord, achieving the power cord's temperature resistance, abrasion resistance, tensile strength, and electrical insulation effects.

[0028] Example 2: This example discloses the following technical content regarding a temperature-resistant and wear-resistant power cord, which facilitates further wear and corrosion resistance of the power cord. Please refer to the attached document. Figure 1 -Appendix Figure 6 The core 2 includes a PVC sheath 12, inside which a copper conductor 11 is wrapped, and the copper conductor 11 is made of several copper wires twisted together; the reinforcing member 3 includes a wire sheath 14, inside which a wire core 13 is wrapped, and the wire core 13 is made of aramid fiber material; the wire core 13 and the wire sheath 14 are connected by a wrapping connection, and the wire sheath 14 is made of rubber material.

[0029] The copper conductor 11, which is made of several stranded copper wires, is wrapped with a PVC sheath 12. The PVC material has good flexibility and insulation properties, which can prevent current leakage and isolate the copper conductor 11 from the external environment. It also has a certain degree of wear resistance and chemical corrosion resistance, which can resist the erosion of external physical and chemical factors to a certain extent. The rubber sheath 14 tightly wraps the outside of the wire core 13. When the power cord is subjected to external forces such as bending and squeezing, the rubber material can undergo elastic deformation, buffering the impact of external forces on the wire core 13 and reducing the damage to the wire core 13. At the same time, the rubber material also has a certain degree of wear resistance and aging resistance, which can protect the wire core 13 from the erosion of the external environment, thus achieving further wear resistance and corrosion protection for the power cord.

[0030] The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0031] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A heat-resistant and wear-resistant power cord, comprising a power cord body (1), wherein two cores (2) penetrate the interior of the power cord body (1), two reinforcing members (3) penetrate the interior of the power cord body (1), and four optical fiber bodies (4) penetrate the interior of the power cord body (1). Its features are: The power cord body (1) includes an outer sheath (5), the inner wall of the outer sheath (5) is wrapped with a flame retardant layer (6), the inner wall of the flame retardant layer (6) is fixedly connected with a high temperature resistant layer (7), the inner wall of the high temperature resistant layer (7) is wrapped with a protective layer (8), and the inner wall of the protective layer (8) is fixedly connected with a heat insulation layer (9). The inner wall of the heat insulation layer (9) is wrapped with an insulating layer (10), which is located on the outer wall of the core (2), the reinforcing member (3) and the optical fiber body (4). The inner wall of the heat insulation layer (9) is wrapped with an insulating core (15).

2. The heat-resistant and wear-resistant power cord according to claim 1, characterized in that: The core (2) includes a PVC sheath (12), and the inside of the PVC sheath (12) is wrapped with a copper conductor (11), and the copper conductor (11) is made of several copper wires twisted together.

3. The heat-resistant and wear-resistant power cord according to claim 1, characterized in that: The reinforcing member (3) includes a sheath (14) with a core (13) inside, which is made of aramid fiber material.

4. The heat-resistant and wear-resistant power cord according to claim 1, characterized in that: The flame-retardant layer (6) is tightly bonded to the outer sheath (5) and the high-temperature resistant layer (7), and the flame-retardant layer (6) is made of halogen-free flame-retardant material, the outer sheath (5) is made of polyvinyl chloride material, and the high-temperature resistant layer (7) is made of fluoroplastic material.

5. The heat-resistant and wear-resistant power cord according to claim 1, characterized in that: The heat insulation layer (9) is fixedly connected to the protective layer (8) and the insulating layer (10). The heat insulation layer (9) is made of ceramic fiber material, the protective layer (8) is made of polytetrafluoroethylene propylene material, and the insulating layer (10) is made of cross-linked polyethylene material.

6. The heat-resistant and wear-resistant power cord according to claim 1, characterized in that: The insulating core (15) is filled in the gap between the heat insulation layer (9) and the core (2), the reinforcing member (3) and the optical fiber body (4). The insulating core (15) is composed of several aramid fiber ropes.

7. The heat-resistant and wear-resistant power cord according to claim 3, characterized in that: The core (13) and the sheath (14) are connected by a wrapping connection, and the sheath (14) is made of rubber.

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