Copper core high-temperature-resistant branch cable

Abstract

The utility model discloses a copper core high-temperature-resistant branch cable which comprises a main cable. The branch cable is electrically connected with the main cable; the protective sleeve is used for high-temperature-resistant protection at the joint of the main cable and the branch cable; the filling layer is filled in the protective sleeve, the protective sleeve is composed of an insulating layer, a reinforcing layer, a high-temperature-resistant layer, a flame-retardant layer and a wear-resistant layer, and the insulating layer is made of a polyvinyl chloride synthetic material. According to the utility model, the insulation performance of the cable is improved through the arrangement of the insulation layer, the structural strength of the cable is improved through the arrangement of the enhancement layer, the high temperature resistance of the cable is improved through the arrangement of the high temperature resistant layer, and the flame-retardant fireproof performance of the cable is improved through the arrangement of the flame-retardant layer. The service life of the cable provided by the utility model is prolonged through the arrangement of the wear-resistant layer, and the cable provided by the utility model can be well protected through the arrangement of the filling layer, thereby prolonging the service life of the cable.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, in particular to a copper core high temperature resistant branch cable. Background Art

[0002] Cables are frequently used in the construction of electrical automation projects. Cables are usually rope-like cables twisted together by several or several groups of wires (at least two in each group). Each group of wires is insulated from each other and often twisted around a center. The entire outside is covered with a highly insulating covering. The cable has the characteristics of internal power supply and external insulation. Cables include power cables, control cables, compensation cables, shielded cables, high-temperature cables, computer cables, signal cables, coaxial cables, fire-resistant cables, marine cables, mining cables, aluminum alloy cables, etc. They are all composed of single or multiple strands of wires and insulating layers, and are used to connect circuits, electrical appliances, etc.

[0003] As shown in the application number: CN201420221545.0, an overhead cable is disclosed, including three cable cores, each cable core including a conductor, a conductor shielding layer, an insulating layer and a cable core sheath arranged from the inside to the outside, the three cable cores are arranged tangentially in pairs, the overhead cable also includes a steel strand core, the steel strand core is tangential to any two cable cores, the steel strand core includes a steel strand formed by twisting a plurality of steel wires and a steel strand sheath covering the outside of the steel strand, the three cable cores and the outside of the steel strand core are spirally wound with a binding wire, the binding wire includes two steel wires and a sheath covering the outside of the steel wires. By bundling the three cable cores and embedding a steel strand core, and setting the materials of the sheaths and sheaths, the mechanical properties and weather resistance of the overhead cable are improved, the installation space area of ​​the overhead cable is reduced, the number of pole towers to be built is reduced, and the installation span of the overhead cable is improved.

[0004] However, the overhead cables in the above technologies still have certain limitations in terms of high temperature resistance, service life and safety. Utility Model Content

[0005] The purpose of the utility model is to provide a copper core high temperature resistant branch cable, which increases the insulation performance of the utility model cable by arranging an insulating layer, increases the structural strength of the utility model cable by arranging a reinforcement layer, increases the high temperature resistance of the utility model cable by arranging a high temperature resistant layer, increases the flame retardant and fireproof performance of the utility model cable by arranging a flame retardant layer, increases the service life of the utility model cable by arranging a wear-resistant layer, and can provide good protection for the utility model cable by arranging a filling layer, thereby increasing the service life of the cable.

[0006] In order to achieve the above-mentioned purpose, the main technical solutions adopted by the utility model include:

[0007] A copper core high temperature resistant branch cable, comprising:

[0008] Main cable;

[0009] a branch cable electrically connected to the main cable;

[0010] A protective sleeve for high temperature protection at the connection between the main cable and the branch cable;

[0011] A filling layer filled in the interior of the protective sleeve.

[0012] The above-mentioned copper core high temperature resistant branch cable, wherein the protective sheath is composed of an insulating layer, a reinforcement layer, a high temperature resistant layer, a flame retardant layer and a wear resistant layer.

[0013] The above-mentioned copper core high temperature resistant branch cable, wherein the insulating layer is made of polyvinyl chloride synthetic material.

[0014] The above copper core high temperature resistant branch cable, wherein the reinforcement layer is made of aramid material.

[0015] The above-mentioned copper core high temperature resistant branch cable, wherein the high temperature resistant layer is made of glass cloth.

[0016] The above-mentioned copper core high temperature resistant branch cable, wherein the flame retardant layer is made of synthetic mica tape.

[0017] The above-mentioned copper core high temperature resistant branch cable, wherein the wear-resistant layer is made of a cable protection sleeve.

[0018] The above copper core high temperature resistant branch cable, wherein the filling layer is made of high strength asbestos rope.

[0019] The utility model has at least the following beneficial effects:

[0020] 1. In the utility model, a copper core high temperature resistant branch cable is realized, the insulation performance of the utility model cable is increased by arranging an insulating layer, the structural strength of the utility model cable is increased by arranging a reinforcing layer, the high temperature resistant performance of the utility model cable is increased by arranging a high temperature resistant layer, the flame retardant and fireproof performance of the utility model cable is increased by arranging a flame retardant layer, the service life of the utility model cable is increased by arranging a wear-resistant layer, and the filling layer can provide good protection for the utility model cable, thereby increasing the service life of the cable.

[0021] 2. In the present invention, the insulating layer is made of polyvinyl chloride synthetic material. Since polyvinyl chloride has good light resistance, electrical insulation and wear resistance, it can greatly increase the insulation performance of the cable, thereby also improving the safety of the use of the cable of the present invention.

[0022] 3. In the present invention, the reinforcement layer is made of aramid material. Since aramid has super high structural strength, and excellent properties such as high temperature resistance, acid and alkali resistance, light weight, insulation, anti-aging, and long life cycle, it greatly increases the structural strength and service life of the cable of the present invention.

[0023] 4. In the utility model, the high temperature resistant layer is made of glass cloth. Since glass cloth has excellent properties such as insulation, heat insulation, corrosion resistance, non-combustion, high temperature resistance and high strength, it can increase the insulation, durability and structural strength of the overhead insulated cable of the utility model, thereby increasing the safety of the overhead insulated cable of the utility model and improving the service life of the cable of the utility model.

[0024] 5. In the utility model, the flame retardant layer is made of synthetic mica tape. Since the mica tape has good high temperature resistance and combustion resistance, and still has good insulation performance at high temperature, and there is basically no volatilization of harmful smoke when encountering open flame, it not only improves the flame retardant performance of the cable of the utility model, but also improves the safety of the cable of the utility model.

[0025] 6. In the utility model, the wear-resistant layer is made of a cable protection sleeve. Since the cable protection sleeve has good insulation performance, high chemical stability, no rust, no aging, can adapt to harsh environments, and good wear resistance, it can maximize the wear resistance of the weak-current cable of the utility model and effectively protect the weak point cable, thereby increasing the service life of the cable of the utility model.

[0026] 7. In the present invention, the filling layer is made of high-strength asbestos rope. As the asbestos rope has the characteristics of heat resistance, corrosion resistance, and strong mechanical hardness, it can effectively protect the cable of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0028] Figure 1 This is a schematic diagram of the structure of the utility model copper core high temperature resistant branch cable;

[0029] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model copper core high temperature resistant branch cable;

[0030] Figure 3 It is a schematic diagram of the cross-sectional structure of the protective sheath in the copper core high temperature resistant branch cable of the utility model.

[0031] Description of Figure Numbers:

[0032] 1. Main cable; 2. Branch cable; 3. Protective cover; 4. Filling layer;

[0033] 301, insulation layer; 302, reinforcement layer; 303, high temperature resistant layer; 304, flame retardant layer; 305, wear resistant layer. DETAILED DESCRIPTION

[0034] The following will describe the implementation methods of the present application in detail with the help of accompanying drawings and examples, so that the implementation process of how the present application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0035] In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the embodiments of the present invention and simplifying the description. They 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 should not be understood as limitations on the embodiments of the present invention.

[0036] In the description of the embodiments of the present invention, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, an integral connection, or a detachable connection; it can be the internal connection of two components; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0037] Example 1

[0038] Please refer to Figures 1 to 3 As shown, an embodiment of the utility model provides a copper core high temperature resistant branch cable, comprising: a main cable 1, a branch cable 2 electrically connected to the main cable 1, a protective sheath 3 for high temperature protection of the connection between the main cable 1 and the branch cable 2, and a filling layer 4 filled in the protective sheath 3.

[0039] Please refer to Figures 1 to 3 As shown, the protective sleeve 3 is composed of an insulating layer 301 , a reinforcement layer 302 , a high temperature resistant layer 303 , a flame retardant layer 304 and a wear resistant layer 305 .

[0040] Example 2

[0041] Please refer to Figures 1 to 3 As shown, the insulating layer 301 is made of polyvinyl chloride synthetic material;

[0042] By adopting the above technical solution, since polyvinyl chloride has good light resistance, electrical insulation and wear resistance, the insulation performance of the cable can be greatly increased, thereby also improving the safety of the use of the cable of the utility model.

[0043] Please refer to Figures 1 to 3 As shown, the reinforcement layer 302 is made of aramid material;

[0044] By adopting the above technical solution, the structural strength and service life of the cable of the utility model are greatly increased because aramid has ultra-high structural strength and excellent properties such as high temperature resistance, acid and alkali resistance, light weight, insulation, anti-aging, and long life cycle.

[0045] Please refer to Figures 1 to 3 As shown, the high temperature resistant layer 303 is made of glass cloth;

[0046] By adopting the above technical scheme, since the glass cloth has excellent properties such as insulation, heat insulation, corrosion resistance, non-combustion, high temperature resistance, and high strength, it is possible to increase the insulation, durability, and structural strength of the overhead insulated cable of the utility model, thereby increasing the safety of the overhead insulated cable of the utility model and improving the service life of the cable of the utility model.

[0047] Please refer to Figures 1 to 3 As shown, the flame retardant layer 304 is made of synthetic mica tape;

[0048] By adopting the above technical solution, since the mica tape has good high temperature resistance and combustion resistance, and still has good insulation performance at high temperature, and there is basically no volatilization of harmful smoke when encountering open flame combustion, the flame retardant performance of the cable of the utility model is improved, and the safety of the cable of the utility model is improved.

[0049] Please refer to Figures 1 to 3 As shown, the wear-resistant layer 305 is made of a cable protection sleeve;

[0050] By adopting the above technical scheme, since the cable protection sleeve has good insulation performance, high chemical stability, no rust, no aging, can adapt to harsh environments, and good wear resistance, it is possible to maximize the wear resistance of the weak-current cable of the utility model and effectively protect the weak point cable, thereby increasing the service life of the cable of the utility model.

[0051] Example 3

[0052] Please refer to Figures 1 to 3 As shown, the filling layer 4 is made of high-strength asbestos rope;

[0053] By adopting the above technical solution, since the asbestos rope has the characteristics of heat resistance, corrosion resistance, strong mechanical hardness, etc., it can effectively protect the cable of the utility model.

[0054] The working principle of the utility model is as follows: the insulation performance of the cable of the utility model is increased by setting the insulating layer 301, the structural strength of the cable of the utility model is increased by setting the reinforcing layer 302, the high temperature resistance of the cable of the utility model is increased by setting the high temperature resistant layer 303, the flame retardant and fireproof performance of the cable of the utility model is increased by setting the flame retardant layer 304, the service life of the cable of the utility model is increased by setting the wear-resistant layer 305, and the filling layer 4 can provide good protection for the cable of the utility model, thereby increasing the service life of the cable.

[0055] The above description shows and describes several preferred embodiments of the utility model, but as before, it should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not deviate from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.

Claims

1. A copper core high temperature resistant branch cable, characterized in that: include: Main cable (1); A branch cable (2) electrically connected to the main cable (1); A protective sleeve (3) for high temperature protection at the connection between the main cable (1) and the branch cable (2); A filling layer (4) filled inside the protective sleeve (3).

2. A copper core high temperature resistant branch cable according to claim 1, characterized in that: The protective sleeve (3) is composed of an insulating layer (301), a reinforcement layer (302), a high temperature resistant layer (303), a flame retardant layer (304) and a wear resistant layer (305).

3. A copper core high temperature resistant branch cable according to claim 2, characterized in that: The insulating layer (301) is made of polyvinyl chloride synthetic material.

4. A copper core high temperature resistant branch cable according to claim 3, characterized in that: The reinforcement layer (302) is made of aramid material.

5. A copper core high temperature resistant branch cable according to claim 4, characterized in that: The high temperature resistant layer (303) is made of glass cloth.

6. A copper core high temperature resistant branch cable according to claim 5, characterized in that: The flame retardant layer (304) is made of synthetic mica tape.

7. A copper core high temperature resistant branch cable according to claim 6, characterized in that: The wear-resistant layer (305) is made of a cable protection sleeve.

8. A copper core high temperature resistant branch cable according to claim 7, characterized in that: The filling layer (4) is made of high-strength asbestos rope.

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