Weather-proof cable

Abstract

The utility model discloses a weather-proof cable which comprises a wrapping layer, and a filling layer is filled in the wrapping layer. An insulating layer is nested in the filling layer, and a wire harness is nested in the insulating layer; the interior of the wrapping layer contains a weather-proof layer body, and the weather-proof layer body is made of a heat shrink tube material; a protective layer is arranged in the wrapping layer, the protective layer is made of a polyvinyl chloride material, and the outer wall of the protective layer is attached to the inner wall of the weather-proof layer body; a heat insulation layer is arranged in the wrapping layer and is made of a silicone rubber material, and the outer wall of the heat insulation layer is attached to the inner wall of the protective layer; a flame-retardant layer is arranged in the wrapping layer, and the flame-retardant layer is made of an intumescent flame retardant. The weather-proof cable is provided with the weather-proof layer body, and the weather-proof layer body is arranged on the outer skin of the wrapping layer, so that the weather-proof layer body can protect the wire harness, and the weather resistance of the wire harness is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, in particular to a weather-resistant cable. Background Art

[0002] Cables play a vital role in the fields of power, communication and related transmission, and are one of the indispensable infrastructures of modern electrification and information society. With the advancement of science and technology and the development of industry, the types and application areas of cables are also constantly expanding and deepening to meet the growing demand for power and information transmission;

[0003] Reference publication number CN205959676U discloses a weather-resistant cable structure, which adopts a structure in which at least two copper wires are twisted. Compared with a traditional conductor, the structure has better ductility, and the insulating material wrapping the conductor and the outermost outer sheath are made of materials with strong weather resistance. Anti-ultraviolet and anti-ozone agents are added to the outer sheath during the production process to prevent the outer sheath from being damaged by temperature changes and sunlight, thereby extending the service life of the cable. However, the following problems still exist:

[0004] In the actual use of the above materials, although the weather resistance of the cable is improved by the weather-resistant layer, the cable will often encounter different weather conditions when used in the field, and the humidity and moisture in the environment may affect the cable, thereby reducing the weather resistance of the cable.

[0005] Therefore, we proposed a weather-resistant cable that can solve the above problems well. Utility Model Content

[0006] The purpose of the utility model is to provide a weather-resistant cable to solve the problem raised by the above background technology that cables on the market currently are often exposed to different weather conditions when used in outdoor environments, and the humidity and moisture in the environment may affect the cables, thereby reducing the weather resistance of the cables.

[0007] To achieve the above-mentioned object, the utility model provides the following technical solution: a weather-resistant cable, comprising a wrapping layer, wherein the interior of the wrapping layer is filled with a filling layer;

[0008] Also includes:

[0009] An insulating layer is nested inside the filling layer, and a wiring harness is nested inside the insulating layer;

[0010] The interior of the wrapping layer contains a weather-resistant layer body, and the weather-resistant layer body is made of a heat shrink tube material.

[0011] Preferably, the interior of the wrapping layer contains a protective layer, and the protective layer is made of polyvinyl chloride material, and the outer wall of the protective layer is arranged in contact with the inner wall of the weather-resistant layer body.

[0012] Preferably, the interior of the wrapping layer contains a heat insulation layer, and the heat insulation layer is made of silicone rubber material, and the outer wall of the heat insulation layer is attached to the inner wall of the protective layer.

[0013] Preferably, the interior of the wrapping layer contains a flame retardant layer, and the flame retardant layer is made of an intumescent flame retardant, and the outer wall of the flame retardant layer is attached to the inner wall of the heat insulation layer.

[0014] Preferably, first reinforcing ribs are nested inside the filling layer, and the first reinforcing ribs are arranged at equal angles, and the outer walls of the first reinforcing ribs are arranged in close contact with the outer wall of the insulating layer.

[0015] Preferably, a second reinforcing rib is embedded in the middle of the filling layer, and the outer wall of the second reinforcing rib is arranged to fit the outer wall of the second reinforcing rib.

[0016] Preferably, the filling layer is made of flame-retardant non-hygroscopic polypropylene mesh tear film material.

[0017] Compared with the prior art, the beneficial effects of the utility model are: the weather-resistant cable has good weather resistance and improved strength of the cable, the weather resistance of the cable can be improved by the weather-resistant layer body, and the strength of the cable can be improved by the first reinforcing rib, and the specific contents are as follows:

[0018] (1) A weather-resistant layer body is provided. By providing the weather-resistant layer body on the outer skin of the wrapping layer, the weather-resistant layer body can protect the wiring harness, thereby improving the weather resistance of the wiring harness;

[0019] (2) A first reinforcing rib is provided, through which the bending resistance of the wiring harness can be improved, thereby avoiding damage caused by bending of the wiring harness, and then making the cable have a higher strength;

[0020] (3) A flame retardant layer is provided, wherein the flame retardant layer is contained inside the wrapping layer, and the flame retardant layer is made of an intumescent flame retardant, and the outer wall of the flame retardant layer is attached to the inner wall of the heat insulation layer, so that the flame retardant layer can effectively prevent fire, and then the wiring harness can be protected;

[0021] (4) A heat insulation layer is provided, wherein the heat insulation layer is contained inside the wrapping layer, and the heat insulation layer is made of a silicone rubber material, and the outer wall of the heat insulation layer is attached to the inner wall of the protective layer, so that the heat insulation layer can isolate the external heat, thereby preventing the external high temperature from being transferred to the wiring harness, thereby causing the wiring harness to be high temperature;

[0022] (5) A protective layer is provided, wherein the protective layer is contained inside the wrapping layer and is made of polyvinyl chloride material, and the outer wall of the protective layer is arranged in contact with the inner wall of the weather-resistant layer body, so that the protective layer can protect the wiring harness. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the three-dimensional structure of the wrapping layer of the utility model;

[0024] Figure 2 This is a schematic diagram of the front section structure of the utility model;

[0025] Figure 3 It is a schematic diagram of the side section structure of the utility model;

[0026] Figure 4 This is a schematic diagram of the front cross-sectional structure of the wrapping layer of the utility model;

[0027] Figure 5 It is a schematic diagram of the three-dimensional structure of the protective layer of the utility model.

[0028] In the figure: 1. wrapping layer; 102. weather-resistant layer body; 103. protective layer; 104. heat-insulating layer; 105. flame-retardant layer; 2. filling layer; 3. wiring harness; 4. insulating layer; 5. first reinforcing rib; 6. second reinforcing rib. DETAILED DESCRIPTION

[0029] 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.

[0030] Embodiment 1:

[0031] The utility model solves the problem that the existing cables often encounter different weather conditions when used in the field, and the humidity and moisture in the environment may affect the cables, thereby reducing the weather resistance of the cables. The weather resistance of the wiring harness 3 can be improved by the weather-resistant layer body 102, and the following are disclosed:

[0032] The wrapping layer 1 is filled with a filling layer 2; the filling layer 2 is embedded with an insulating layer 4, and the insulating layer 4 is embedded with a wiring harness 3; the wrapping layer 1 contains a weather-resistant layer body 102, and the weather-resistant layer body 102 is made of a heat shrink tube material;

[0033] refer to Figure 1 and Figure 4 The wire harness 3 can be protected by the weather-resistant layer body 102, and the weather-resistant layer body 102 adopts a heat shrink tube, so that the weather-resistant layer body 102 has weather resistance and moisture resistance, effectively resists the erosion of natural factors such as ultraviolet rays, temperature changes, wind and rain, and prolongs the service life of the wire harness 3, thereby prolonging the service life of the cable;

[0034] Embodiment 2:

[0035] The utility model solves the problem that when the existing cable is too long, it will bend due to gravity, thereby causing the wire harness 3 to be squeezed. The strength of the wire harness 3 can be improved by the first reinforcing rib 5. The utility model discloses:

[0036] A first reinforcing rib 5 is nested inside the filling layer 2, and the first reinforcing rib 5 is arranged at an equal angle, and the outer wall of the first reinforcing rib 5 is arranged in contact with the outer wall of the insulating layer 4, and a second reinforcing rib 6 is nested in the middle of the filling layer 2, and the outer wall of the second reinforcing rib 6 is arranged in contact with the outer wall of the second reinforcing rib 6;

[0037] refer to Figures 2 to 4 By arranging the first reinforcing rib 5 and the second reinforcing rib 6 inside the filling layer 2, the first reinforcing rib 5 and the second reinforcing rib 6 can improve the strength of the wiring harness 3, thereby avoiding damage caused by excessive bending of the wiring harness 3, and thus improving the service life of the wiring harness 3;

[0038] Embodiment three:

[0039] The utility model solves the problem that the existing cables may encounter fire during use, which may cause the cables to burn. The flame retardant layer 105 can protect the wiring harness 3, and discloses:

[0040] The interior of the wrapping layer 1 contains a protective layer 103, and the protective layer 103 is made of polyvinyl chloride material, and the outer wall of the protective layer 103 is bonded to the inner wall of the weather-resistant layer body 102. The interior of the wrapping layer 1 contains a heat-insulating layer 104, and the heat-insulating layer 104 is made of silicone rubber material, and the outer wall of the heat-insulating layer 104 is bonded to the inner wall of the protective layer 103. The interior of the wrapping layer 1 contains a flame-retardant layer 105, and the flame-retardant layer 105 is made of an intumescent flame retardant, and the outer wall of the flame-retardant layer 105 is bonded to the inner wall of the heat-insulating layer 104. The filling layer 2 is made of a flame-retardant non-hygroscopic polypropylene mesh tear film material;

[0041] refer to Figure 4 and Figure 5 The filling layer 2 can prevent the wiring harness 3 from being squeezed in the wrapping layer 1, and the protective layer 103 can improve the protection, while the heat insulation layer 104 can isolate the external heat, thereby preventing the external heat from being transferred to the inside of the wiring harness 3. The flame retardant layer 105 can prevent the wrapping layer 1 from burning in the event of a fire, so that the flame retardant layer 105 can protect the wiring harness 3, and the insulating layer 4 can isolate the contact between the wiring harness 3 and the filling layer 2, thereby avoiding leakage of the wiring harness 3.

[0042] Working principle: When using this weather-resistant cable, first, refer to Figure 1 and Figure 4 The weather-resistant layer body 102 can protect the wiring harness 3, and the weather-resistant layer body 102 uses a heat shrink tube to effectively resist the erosion of natural factors such as ultraviolet rays, temperature changes, wind and rain, thereby extending the service life of the wiring harness 3, thereby extending the service life of the cable;

[0043] refer to Figures 2 to 4 By arranging the first reinforcing rib 5 and the second reinforcing rib 6 inside the filling layer 2, the wire harness 3 is prevented from being damaged due to excessive bending, thereby improving the service life of the wire harness 3;

[0044] refer to Figure 4 and Figure 5 The filling layer 2 can prevent the wiring harness 3 from being squeezed in the wrapping layer 1, and the protective layer 103 can improve the protection, thereby preventing the external heat from being transferred to the inside of the wiring harness 3. The flame retardant layer 105 can prevent the wrapping layer 1 from burning in the event of a fire. The insulating layer 4 can isolate the wiring harness 3 from contact with the filling layer 2, thereby preventing leakage of the wiring harness 3.

[0045] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0046] 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 weather-resistant cable, comprising a wrapping layer (1), wherein the interior of the wrapping layer (1) is filled with a filling layer (2); It is characterized in that Also includes: An insulating layer (4) is nested inside the filling layer (2), and a wiring harness (3) is nested inside the insulating layer (4); The interior of the wrapping layer (1) contains a weather-resistant layer body (102), and the weather-resistant layer body (102) is made of a heat shrink tube material.

2. A weather-resistant cable according to claim 1, characterized in that: The interior of the wrapping layer (1) contains a protective layer (103), and the protective layer (103) is made of polyvinyl chloride material, and the outer wall of the protective layer (103) is arranged in contact with the inner wall of the weather-resistant layer body (102).

3. A weather-resistant cable according to claim 1, characterized in that: The wrapping layer (1) contains a heat insulation layer (104) inside, and the heat insulation layer (104) is made of silicone rubber material, and the outer wall of the heat insulation layer (104) is attached to the inner wall of the protective layer (103).

4. A weather-resistant cable according to claim 1, characterized in that: The wrapping layer (1) contains a flame retardant layer (105) inside, and the flame retardant layer (105) is made of an intumescent flame retardant, and the outer wall of the flame retardant layer (105) is attached to the inner wall of the heat insulation layer (104).

5. A weather-resistant cable according to claim 1, characterized in that: The filling layer (2) is internally embedded with a first reinforcing rib (5), and the first reinforcing rib (5) is arranged at an equal angle, and the outer wall of the first reinforcing rib (5) is arranged in contact with the outer wall of the insulating layer (4).

6. A weather-resistant cable according to claim 1, characterized in that: A second reinforcing rib (6) is embedded in the middle of the filling layer (2), and the outer wall of the second reinforcing rib (6) is arranged to fit the outer wall of the second reinforcing rib (6).

7. A weather-resistant cable according to claim 1, characterized in that: The filling layer (2) is made of flame-retardant, non-hygroscopic polypropylene mesh tear film material.

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