Copper core wire
By introducing structures such as steel strip, waterproof layer and heat insulation layer into the cable, the outdoor use problems caused by the simple cable structure are solved, the compressive resistance and waterproofness are improved, the service life is extended, and the reliability of the cable is ensured. Durability.
Patent Information
- Application Number
- CN202420529367.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-19
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-03-19
AI Technical Summary
The internal structure of the existing cable is simple, and is easily disturbed by environmental factors when used outdoors. It is easily bitten by animals when buried underground. The internal structure of the cable is directly in contact with the soil and is oxidized, affecting the transmission of the cable.
A copper core wire is designed, including an outer sheath, a steel belt layer, an inner sheath, a waterproof layer, an insulation layer, a shielding layer, a fill layer and a conductor insulation layer. The steel belt layer is arranged on the outer sheath and Between the inner sheath, the waterproof layer is wrapped around the outside of the heat insulation layer, the conductor insulating layer penetrates the copper core, and the filling layer is used to separate different groups of copper cores.
It improves the hardness and compressive resistance of the cable, prevents animals from destroying the internal structure, extends the service life of the steel strip, enhances water resistance and protection, reduces the impact of external temperature on the copper core, and ensures the reliability and durability of the cable.
Smart Images
Figure CN222281623U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cables, in particular to a copper core electric wire. Background Art
[0002] Cable is a conductor covered with an insulating layer, a protective layer, a shielding layer, etc., used to transmit power or signal current or signal voltage. According to voltage, it can be divided into high-voltage cables and low-voltage cables. Although low-voltage cable lines are more expensive and more difficult to lay and maintain than low-voltage overhead lines and low-voltage overhead insulated lines, they are widely used in low-voltage power distribution systems because they have the characteristics of reliable operation, no need to erect poles, no ground occupation, no obstruction of appearance, and less impact from the outside world.
[0003] The existing cables have a simple internal structure and are easily disturbed by environmental factors when used outdoors. They are easily broken by animals when buried underground. The internal structure of the cables is directly in contact with the soil and is oxidized, which affects the transmission work of the cables. Therefore, a copper core wire is proposed. Utility Model Content
[0004] Based on this, the purpose of the utility model is to provide a copper core wire to solve the problems raised in the background technology part that the internal structure of the existing cable is simple, it is easily disturbed by environmental factors when used outdoors, it is easy to be chewed and broken by animals when buried underground, and the internal structure of the cable is directly in contact with the soil and is oxidized, affecting the transmission work of the cable.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a copper core electric wire, comprising an outer sheath and a shielding layer, a steel belt layer is arranged on the inner side of the outer sheath, and an inner sheath is installed on the inner side of the steel belt layer, a waterproof layer is arranged on the inner side of the inner sheath, and a heat insulation layer is arranged on the inner side of the waterproof layer.
[0006] The shielding layer is arranged on the inner side of the heat insulation layer, and a filling layer, a conductor insulation layer and a copper core are arranged inside the shielding layer, and the copper core penetrates inside the conductor insulation layer.
[0007] Preferably, the steel belt layer is arranged between an outer sheath and an inner sheath, and the outer sheath and the inner sheath are made of polyvinyl chloride material.
[0008] Preferably, the outer surface of the steel belt layer is sprayed with anti-oxidation paint, and the inner and outer surfaces of the steel belt layer are respectively fitted with the inner sheath and the outer sheath.
[0009] Preferably, the thickness of the waterproof layer is 0.3 mm, and the waterproof layer is wrapped around the outside of the thermal insulation layer.
[0010] Preferably, the filling layer is made of nylon material, and a plurality of conductor insulation layers are separated by the filling layer.
[0011] Preferably, the conductor insulation layer is made of cross-linked polyvinyl chloride material.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] 1. In the utility model, the steel belt layer is arranged between the outer sheath and the inner sheath. The arrangement of the steel belt layer improves the hardness and compression resistance of the device. When the cable is used outdoors, animals are blocked by the steel belt layer after damaging the outer sheath, and cannot further damage the internal structure of the cable, thereby improving the safety of outdoor use. When the outer sheath is bitten by the animal, the steel belt layer is directly exposed to the outside. The anti-oxidation coating sprayed on the outer surface of the steel belt layer can slow down the oxidation rate of the steel belt layer, thereby extending the service life of the device. The arrangement of the inner sheath can prevent the internal structure of the cable from being scratched by the steel belt layer.
[0014] 2. The utility model is provided with a waterproof layer and a heat-insulating layer. The waterproof layer is specifically a water-blocking tape, which is wound around the outside of the heat-insulating layer to improve the waterproofness of the cable. The heat-insulating layer isolates the external temperature of the cable and reduces the influence of the external high-temperature environment on the copper core transmission;
[0015] 3. In the utility model, each group of copper cores is formed by twisting a number of copper wires. The conductor insulation layer is mainly used to separate the copper cores to avoid mixing of different groups of copper cores. The filling layer is made of nylon material. The nylon material is soft in texture and can effectively fill the gaps between the conductor insulation layers, which is beneficial to protecting the copper core. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0017] Figure 2 It is a cross-sectional structural schematic diagram of the utility model.
[0018] In the figure: 1. Outer sheath; 2. Steel belt layer; 3. Inner sheath; 4. Waterproof layer; 5. Heat insulation layer; 6. Shielding layer; 7. Filling layer; 8. Conductor insulation layer; 9. Copper core. DETAILED DESCRIPTION
[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. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.
[0020] The following describes an embodiment of the utility model based on its overall structure.
[0021] See also Figure 1-2A copper core wire comprises an outer sheath 1 and a shielding layer 6, a steel belt layer 2 is arranged on the inner side of the outer sheath 1, and an inner sheath 3 is installed on the inner side of the steel belt layer 2, the steel belt layer 2 is arranged between the outer sheath 1 and the inner sheath 3, the outer sheath 1 and the inner sheath 3 are both made of polyvinyl chloride material, the outer sheath 1 is the outermost structure of the cable, the polyvinyl chloride material has good insulation and wear resistance, the setting of the steel belt layer 2 improves the hardness and compression resistance of the device, when the cable is used outdoors, animals destroy the outer sheath 1 and are blocked by the steel belt layer 2, and cannot further damage the internal structure of the cable, which is convenient for outdoor use, and the setting of the inner sheath 3 The arrangement can prevent the internal structure of the cable from being scratched by the steel belt layer 2. A waterproof layer 4 is arranged on the inner side of the inner sheath 3, and a heat insulation layer 5 is arranged on the inner side of the waterproof layer 4. The outer surface of the steel belt layer 2 is sprayed with an anti-oxidation coating, and the inner and outer surfaces of the steel belt layer 2 are respectively fitted with the inner sheath 3 and the outer sheath 1. When the outer sheath 1 is bitten by an animal, the steel belt layer 2 is directly exposed to the outside. Since the anti-oxidation coating is attached to the outer surface of the steel belt layer 2, the oxidation rate of the steel belt layer 2 is delayed, thereby extending the service life of the device. The thickness of the waterproof layer 4 is 0.3mm, and the waterproof layer 4 is wound around the outside of the heat insulation layer 5. The waterproof layer 4 is specifically a water-blocking tape, which improves the waterproofness of the cable;
[0022] The shielding layer 6 is arranged on the inner side of the heat-insulating layer 5, and a filling layer 7, a conductor insulating layer 8 and a copper core 9 are arranged inside the shielding layer 6. The copper core 9 runs through the inside of the conductor insulating layer 8. The filling layer 7 is made of nylon material, and several conductor insulating layers 8 are separated by the filling layer 7. The nylon material is relatively soft and is used to fill the internal space of the shielding layer 6, so that the gaps between the several conductor insulating layers 8 are filled, which is beneficial to protecting the copper core 9. The conductor insulating layer 8 is made of cross-linked polyvinyl chloride material, and each group of copper cores 9 is twisted by several copper wires. The conductor insulating layer 8 is mainly used to separate the copper cores 9 to avoid mixing of different groups of copper cores 9.
[0023] Working principle: When in use, the outer sheath 1 made of polyvinyl chloride material is the outermost structure of the cable. Polyvinyl chloride material has good insulation and wear resistance. The setting of the steel belt layer 2 improves the hardness and compression resistance of the device. When the cable is used outdoors, animals will be blocked by the steel belt layer 2 after destroying the outer sheath 1, and will not be able to further damage the internal structure of the cable, which is convenient for outdoor use. An inner sheath 3 is arranged on the inner side of the steel belt layer 2. The setting of the inner sheath 3 can prevent the internal structure of the cable from being scratched by the steel belt layer 2. When the outer sheath 1 is bitten by an animal, the steel belt layer 2 is directly exposed to the outside, and the anti-oxidation coating sprayed on the outer surface of the steel belt layer 2 can delay the steel belt. The oxidation rate of layer 2 is convenient to extend the service life of the device. The waterproof layer 4 is specifically a water-blocking tape, which is wound around the outside of the thermal insulation layer 5 to improve the waterproofness of the cable. The inner side of the waterproof layer 4 is provided with a thermal insulation layer 5, which isolates the external temperature and reduces the influence of high temperature on the cable. The shielding layer 6 mainly plays the role of shielding the electric field and grounding protection. The inner side of the shielding layer 6 is provided with a filling layer 7, a conductor insulation layer 8 and a copper core 9. Each group of copper cores 9 is formed by twisting a number of copper wires. The conductor insulation layer 8 is mainly used to separate the copper cores 9 to avoid mixing of different groups of copper cores 9. The filling layer 7 is used to fill the gaps between a number of conductor insulation layers 8, which is beneficial to protecting the copper cores 9.
[0024] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.
[0025] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the protection content of the present invention.
[0026] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A copper core electric wire, comprising an outer sheath (1) and a shielding layer (6), characterized in that: A steel belt layer (2) is arranged on the inner side of the outer jacket (1), and an inner jacket (3) is installed on the inner side of the steel belt layer (2); a waterproof layer (4) is arranged on the inner side of the inner jacket (3), and a heat insulation layer (5) is arranged on the inner side of the waterproof layer (4); The shielding layer (6) is arranged on the inner side of the heat insulation layer (5), and a filling layer (7), a conductor insulation layer (8) and a copper core (9) are arranged inside the shielding layer (6), and the copper core (9) runs through the inside of the conductor insulation layer (8).
2. A copper core electric wire according to claim 1, characterized in that: The steel belt layer (2) is arranged between the outer sheath (1) and the inner sheath (3); the outer sheath (1) and the inner sheath (3) are both made of polyvinyl chloride material.
3. A copper core electric wire according to claim 1, characterized in that: The outer surface of the steel belt layer (2) is sprayed with an anti-oxidation coating, and the inner and outer surfaces of the steel belt layer (2) are respectively fitted with the inner jacket (3) and the outer jacket (1).
4. A copper core electric wire according to claim 1, characterized in that: The waterproof layer (4) has a thickness of 0.3 mm, and the waterproof layer (4) is wound around the outside of the heat insulation layer (5).
5. The copper core wire according to claim 1, characterized in that: The filling layer (7) is made of nylon material, and a plurality of conductor insulation layers (8) are separated by the filling layer (7).
6. A copper core electric wire according to claim 1, characterized in that: The conductor insulation layer (8) is made of cross-linked polyvinyl chloride material.