Chlorinated polyethylene sheath rubber insulated cable

Abstract

The utility model belongs to the technical field of rubber insulated cables, and particularly relates to a chlorinated polyethylene sheath rubber insulated cable, which comprises a plurality of conductors, an inner sheath arranged on the outer side of the plurality of conductors, a filling layer arranged between the inner sheath and the plurality of conductors, each conductor comprises a conductor inner core, an insulating layer arranged on the outer wall of the conductor inner core, and an outer sheath arranged on the outer wall of the insulating layer. The second waterproof layer is arranged on the outer wall of the inner sheath, and the first waterproof layer is made of natural rubber and has good waterproof performance, so that the cable can be used in a humid and underwater environment; the second waterproof layer is a PP foaming water-blocking tape and is light in weight, high in telescopic strength, good in anti-seepage and leakage-proof effect and good in water-blocking performance, the overall waterproof performance of the waterproof cable is further improved, and water is prevented from entering the waterproof cable; the armored layer is formed by weaving the tinned copper net, so that the strength of the cable is enhanced, the impact resistance and the tensile property are improved, and the service life is prolonged. And the outer wall of the outer sheath is coated with the asphalt coating, so that the corrosion speed of the outer sheath is slowed down when the cable is used in an underwater environment.

Description

Technical Field

[0001] The utility model belongs to the technical field of rubber insulated cables, in particular to a chlorinated polyethylene sheathed rubber insulated cable. Background Art

[0002] Wires and cables are wire products used to transmit electrical (magnetic) energy, information and realize electromagnetic energy conversion. Wires and cables in a broad sense are also referred to as cables. Cables in a narrow sense refer to insulated cables, which can be defined as: a collection of the following parts: one or more insulated cores and their respective coatings, total protective layers and outer sheaths. Cables may also have additional uninsulated conductors.

[0003] Ordinary cables have a simple structure and cannot adapt to harsh operating environments. For example, if power needs to be transmitted underwater for a long time, their waterproof performance is poor and cannot meet usage requirements. Summary of the invention

[0004] The utility model aims to provide a chlorinated polyethylene sheathed rubber insulated cable, which has good waterproof effect and strong corrosion resistance, so that the utility model can be used in wet and underwater environments.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a chlorinated polyethylene sheathed rubber insulated cable, comprising a plurality of conductors, an inner sheath is arranged on the outer side of the plurality of conductors, a filling layer is arranged between the inner sheath and the plurality of conductors, the conductor comprises a conductor inner core, an insulating layer is arranged on the outer wall of the conductor inner core, a first waterproof layer is arranged on the outer wall of the insulating layer, a second waterproof layer is arranged on the outer wall of the inner sheath, an armor layer is arranged on the outer wall of the second waterproof layer, and an outer sheath is arranged on the outer wall of the armor layer.

[0006] In order to improve the waterproof performance and corrosion resistance of the utility model, as a preferred chlorinated polyethylene sheathed rubber insulated cable of the utility model, the inner sheath is made of PE material, and the outer sheath is made of chlorinated polyethylene material.

[0007] In order to ensure the insulation performance of the utility model, as a preferred chlorinated polyethylene sheathed rubber insulated cable of the utility model, the insulation layer is made of TPE material.

[0008] In order to further improve the waterproof performance of the utility model, as a preferred chlorinated polyethylene sheathed rubber insulated cable of the utility model, the first waterproof layer is natural rubber.

[0009] In order to further improve the waterproof performance of the utility model, as a preferred chlorinated polyethylene sheathed rubber insulated cable of the utility model, the second waterproof layer is a PP foam water-blocking tape.

[0010] In order to improve the strength of the utility model, as a preferred chlorinated polyethylene sheathed rubber insulated cable of the utility model, the armor layer is woven from tinned copper mesh.

[0011] In order to improve the corrosion resistance of the outer sheath surface wall, as a preferred embodiment of the chlorinated polyethylene sheathed rubber insulated cable of the utility model, the outer wall of the outer sheath is coated with an asphalt coating.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The inner sheath of the utility model is made of PE material, has good cold resistance, and also has good durability, insulation and waterproof performance, and can be used in underwater environments with relatively low temperatures; the outer sheath is made of chlorinated polyethylene material, has good acid and alkali resistance, oxidation resistance and corrosion resistance, and prolongs the service life of the outer sheath, thereby better protecting the internal structure of the utility model; the insulating layer is made of TPE material, has good insulation and flame retardancy, and ensures the insulation effect; the first waterproof layer is natural rubber, which has good waterproof performance, so that the utility model can be used in humid and underwater environments; the second waterproof layer is a PP foam water-blocking tape, which is light in weight, has high elastic strength, good anti-seepage and anti-leakage effects, and good water-blocking performance, further improving the overall waterproof performance of the utility model and preventing moisture from entering the interior of the utility model; the armor layer is woven from tinned copper mesh, which improves the strength of the utility model, improves the impact resistance and tensile resistance, and prolongs the service life; the outer wall of the outer sheath is coated with an asphalt coating, which slows down the corrosion rate of the outer sheath when used underwater. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0015] Figure 1 This is a schematic diagram of the overall cross-sectional structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the cross-sectional structure of the conductor inner core of the utility model;

[0017] Figure 3 It is a three-dimensional structural schematic diagram of the utility model.

[0018] In the figure: 1. Conductor; 2. Inner sheath; 3. Filling layer; 4. Insulation layer; 5. First waterproof layer; 6. Second waterproof layer; 7. Armor layer; 8. Outer sheath; 9. Asphalt coating. 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. 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 and Figure 2 A chlorinated polyethylene sheathed rubber insulated cable comprises a plurality of conductors 1, an inner sheath 2 is arranged on the outer side of the plurality of conductors 1, a filling layer 3 is arranged between the inner sheath 2 and the plurality of conductors 1, the conductor 1 comprises a conductor inner core, an insulating layer 4 is arranged on the outer wall of the conductor inner core, a first waterproof layer 5 is arranged on the outer wall of the insulating layer 4, a second waterproof layer 6 is arranged on the outer wall of the inner sheath 2, an armor layer 7 is arranged on the outer wall of the second waterproof layer 6, and an outer sheath 8 is arranged on the outer wall of the armor layer 7.

[0021] In this embodiment: the inner sheath 2 of the utility model is made of PE material, has good cold resistance, and has good durability, insulation and waterproof performance, and can be used in underwater environments with low temperatures; the outer sheath 8 is made of chlorinated polyethylene material, has good acid and alkali resistance, oxidation resistance and corrosion resistance, thereby extending the service life and better protecting the internal structure of the utility model; the insulating layer 4 is made of TPE material, has good insulation and flame retardancy, and ensures the insulation effect. The first waterproof layer 5 is natural rubber with good waterproof performance, so that the utility model can be used in humid and underwater environments. The second waterproof layer 6 is a PP foam water-blocking tape, which is light in weight, has high elastic strength, good anti-seepage and anti-leakage effect, and good water-blocking performance, further improving the overall waterproof performance of the utility model and preventing moisture from entering the interior of the utility model. The armor layer 7 is woven from tinned copper mesh, which improves the strength of the utility model, improves the impact resistance and tensile resistance, thereby further extending the service life; the outer wall of the outer sheath 8 is coated with an asphalt coating 9, which slows down the corrosion rate of the outer sheath 8 when used underwater.

[0022] As a technical optimization solution of the utility model, the inner sheath 2 is made of PE material, and the outer sheath 8 is made of chlorinated polyethylene material.

[0023] In this embodiment: the PE material has good cold resistance, and also has good durability, insulation and waterproof properties, and can be used in underwater environments with relatively low temperatures; the chlorinated polyethylene material has good acid and alkali resistance, oxidation resistance, and corrosion resistance, thereby extending the service life.

[0024] As a technical optimization solution of the present invention, the insulating layer 4 is made of TPE material.

[0025] In this embodiment: TPE material has good insulation performance and flame retardancy, ensuring the insulation effect.

[0026] As a technical optimization solution of the present invention, the first waterproof layer 5 is natural rubber.

[0027] In this embodiment, natural rubber has good waterproof performance, so that the utility model can be used in wet and underwater environments.

[0028] As a technical optimization solution of the present invention, the second waterproof layer 6 is a PP foam water-blocking tape.

[0029] In this embodiment: the PP foam water-blocking tape is light in weight, has high expansion and contraction strength, has good anti-seepage and anti-leakage effects, and has excellent water-blocking performance, which further improves the waterproof performance of the utility model and prevents moisture from entering the interior of the utility model.

[0030] As a technical optimization solution of the present invention, the armor layer 7 is woven from tinned copper mesh.

[0031] In this embodiment: the tinned copper mesh improves the strength of the utility model, improves the impact resistance and tensile resistance, and further prolongs the service life.

[0032] As a technical optimization solution of the utility model, the outer wall of the outer sheath 8 is coated with an asphalt coating 9.

[0033] In this embodiment, the outer wall of the outer sheath 8 is coated with an asphalt coating 9, which reduces the corrosion of the outer sheath 8 when used underwater.

[0034] Working principle: The inner sheath 2 of the utility model is made of PE material, has good cold resistance, and has good durability, insulation and waterproof performance, and can be used in underwater environments with low temperatures; the outer sheath 8 is made of chlorinated polyethylene, has good acid and alkali resistance, oxidation resistance, and corrosion resistance, and prolongs the service life, thereby better protecting the internal structure of the utility model; the insulating layer 4 is made of TPE material, has good insulation and flame retardancy, and ensures the insulation effect; the first waterproof layer 5 is natural rubber, which has good waterproof performance, so that the utility model can be used in humid and underwater environments; the second waterproof layer 6 is a PP foam water-blocking tape, which is light in weight, has high elastic strength, good anti-seepage and anti-leakage effect, and good water-blocking performance, further improving the waterproof performance of the utility model and preventing moisture from entering the interior of the utility model; the armor layer 7 is woven from tinned copper mesh, which improves the strength of the utility model, improves the impact resistance and tensile resistance, thereby further prolonging the service life; the outer wall of the outer sheath 8 is coated with an asphalt coating 9, which slows down the corrosion rate of the outer sheath 8 when used underwater.

[0035] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A chlorinated polyethylene sheathed rubber insulated cable, comprising a plurality of conductors (1), characterized in that: An inner sheath (2) is arranged on the outer side of the plurality of conductors (1), a filling layer (3) is arranged between the inner sheath (2) and the plurality of conductors (1), the conductor (1) comprises a conductor inner core, an insulating layer (4) is arranged on the outer wall of the conductor inner core, a first waterproof layer (5) is arranged on the outer wall of the insulating layer (4), a second waterproof layer (6) is arranged on the outer wall of the inner sheath (2), an armor layer (7) is arranged on the outer wall of the second waterproof layer (6), and an outer sheath (8) is arranged on the outer wall of the armor layer (7).

2. A chlorinated polyethylene sheathed rubber insulated cable according to claim 1, characterized in that: The inner sheath (2) is made of PE material, and the outer sheath (8) is made of chlorinated polyethylene material.

3. The chlorinated polyethylene sheathed rubber insulated cable according to claim 1, characterized in that: The insulating layer (4) is made of TPE material.

4. The chlorinated polyethylene sheathed rubber insulated cable according to claim 1, characterized in that: The first waterproof layer (5) is made of natural rubber.

5. The chlorinated polyethylene sheathed rubber insulated cable according to claim 1, characterized in that: The second waterproof layer (6) is a PP foam water-blocking tape.

6. The chlorinated polyethylene sheathed rubber insulated cable according to claim 1, characterized in that: The armor layer (7) is woven from tinned copper mesh.

7. The chlorinated polyethylene sheathed rubber insulated cable according to claim 1, characterized in that: The outer wall of the outer jacket (8) is coated with an asphalt coating (9).

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