CN219872935U

CN219872935U - Cold-resistant cable

Info

Publication number: CN219872935U
Application number: CN202223500908.8U
Authority: CN
Inventors: 陈锋
Original assignee: Shanghai Huanzhu Electric Co ltd
Current assignee: Shanghai Huanzhu Electric Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-10-20
Anticipated expiration: 2032-12-27

Abstract

The utility model relates to the technical field of cables, in particular to a severe cold resistant cable, which comprises a cable, wherein a plurality of wire cores are arranged in the cable, a high-tearing-resistance silicon rubber insulating material is adopted in an inner insulating layer, the cable has high resistance strength and excellent electrical performance, the service temperature is allowed to be between minus 60 ℃ and plus 180 ℃ for a long time, the high-low temperature resistant soft material can effectively bear high-low temperature conversion with larger temperature, the nylon heat insulating material is used for insulating the internal temperature of the cable from the outside temperature, the ultraviolet shielding agent is made of metal oxide, the cable has higher refractive index, the structural strength of a cowskin layer is higher, the structural strength of the inner wall of a sheath can be increased, and the PUR polyurethane material of the sheath has the characteristics of wear resistance, softness and good weather resistance, so that the probability of faults of the wire cores due to severe weather is avoided, the service life is long, and the cable is suitable for large-area popularization.

Description

Cold-resistant cable

Technical Field

The utility model relates to the technical field of cables, in particular to a severe cold resistant cable.

Background

The cables comprise a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, an aluminum alloy cable and the like, are all composed of single-strand or multi-strand wires and an insulating layer and are used for connecting circuits, electric appliances and the like, and the cables can be divided into direct-current cables and alternating-current cables according to a system of a photovoltaic power station; the cable is mostly used as a direct current cable, more is laid outdoors, when the outdoor lighting is provided through the cable, the outdoor environment is severe, so the requirements on the cable wires for connection are strict, the traditional cable has no cold-proof effect, the normal use is easily influenced by the short circuit of an internal circuit due to large cold wind, and therefore the outdoor cable needs to be dampproof, insolated, cold-resistant, heat-resistant and ultraviolet-resistant, and chemical substances such as acid-base and the like are also needed under certain special environments.

Disclosure of Invention

In order to overcome the defects, the utility model provides a cold-resistant cable.

The technical scheme of the utility model is as follows:

cold-resistant cable, including the cable, be equipped with a plurality of sinle silk in the cable, still include: the inner insulating layers are arranged on the outer wall of each inner insulating layer from inside to outside, and the filling layer, the heat insulating layer, the ultraviolet resistant layer, the cow leather layer and the sheath are arranged on the outer wall of each inner insulating layer.

Preferably, the inner insulating layer is made of a high-tearing-resistance silicon rubber insulating material, and the high-tearing-resistance silicon rubber insulating material is fixedly connected with the wire core in a surrounding mode.

Preferably, the filling layer is made of a high-low temperature resistant soft material, and the high-low temperature resistant soft material is fixedly connected with the high-tearing resistant silicon rubber insulating material.

Preferably, the heat preservation layer is made of nylon heat preservation materials, and the nylon heat preservation materials are fixedly connected with the high-low temperature resistant soft materials.

Preferably, the ultraviolet resistant layer is an ultraviolet screening agent, and the ultraviolet screening agent is fixedly connected with the nylon heat insulation material.

Preferably, the cowhide layer is in a circular ring shape, and the cowhide layer is fixedly connected with the ultraviolet shielding agent.

Preferably, the sheath is made of PUR polyurethane material, and the PUR polyurethane material is fixedly connected with the cowhide layer.

Compared with the prior art, the utility model has the beneficial effects that: the high-tearing-resistant silicon rubber insulating material adopted by the inner insulating layer has high resistance strength and excellent electrical performance, the high-low temperature resistant soft material can effectively bear high-low temperature conversion with larger temperature after being allowed to be used for a long time from minus 60 ℃ to plus 180 ℃, the nylon insulating material is used for insulating the internal temperature of the inner insulating layer from the outside temperature, the ultraviolet shielding agent is made of metal oxide, the inner insulating layer has higher refractive index, the structural strength of the cowhide layer is higher, the structural strength of the inner wall of the sheath can be increased, the PUR polyurethane material of the sheath has the characteristics of wear resistance, softness and good weather resistance, the probability of faults of a wire core due to bad weather is further avoided, the service life is long, and the inner insulating layer is suitable for large-area popularization.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the whole cross-sectional structure of the present utility model.

In the figure:

1. a cable;

2. a wire core;

3. an inner insulating layer;

4. a filling layer;

5. a heat preservation layer;

6. an ultraviolet resistant layer;

7. a cowhide layer;

8. and (3) a sheath.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-2, the present utility model is described in detail by the following embodiments:

cold-resistant cable, including cable 1, be equipped with a plurality of sinle silk 2 in the cable 1, still include: the inner insulating layers 3 are arranged on the outer wall of each inner insulating layer 3 from inside to outside, and the filling layer 4, the heat insulating layer 5, the ultraviolet resistant layer 6, the cowhide layer 7 and the sheath 8 are arranged on the outer wall of each inner insulating layer.

The inner insulating layer 3 is made of high-tear-resistance silicon rubber insulating material, the high-tear-resistance silicon rubber insulating material and the wire core 2 are fixedly connected in a surrounding mode, the filling layer 4 is made of high-low temperature resistant soft materials, the high-low temperature resistant soft materials are fixedly connected with the high-tear-resistance silicon rubber insulating material, the heat insulating layer 5 is made of nylon heat insulating materials, the nylon heat insulating materials are fixedly connected with the high-low temperature resistant soft materials, the ultraviolet resistant layer 6 is made of ultraviolet screening agents, the ultraviolet screening agents are fixedly connected with the nylon heat insulating materials, the cowhide layer 7 is in a circular ring shape, the cowhide layer 7 is fixedly connected with the ultraviolet screening agents, the sheath 8 is made of PUR polyurethane materials, and the PUR polyurethane materials are fixedly connected with the cowhide layer 7.

Working principle: the high-tearing-resistant silicon rubber insulating material adopted by the inner insulating layer 3 connected to the outer wall of the wire core 2 has high resistance strength and excellent electrical property, and the high-low temperature resistant soft material adopted by the filling layer 4 can effectively bear high-low temperature conversion with larger temperature after being allowed to be used for a long time from minus 60 degrees to plus 180 degrees, the nylon insulating material used in the insulating layer 5 is used for insulating the internal temperature of the wire core, the external temperature is insulated, the ultraviolet shielding agent in the ultraviolet resistant layer 6 is made of metal oxide, the ultraviolet resistant layer has higher refractive index, the structural strength of the cowhide layer 7 is higher, the structural strength of the inner wall of the sheath 8 can be increased, the inner wall of the sheath 8 is not easily damaged due to external reasons, the PUR polyurethane material of the sheath 8 has the characteristics of high strength, impact resistance, environmental aging pre-stress cracking resistance, corrosion resistance, low temperature resistance and the like, the probability of the wire core 2 due to severe weather is avoided, and the service life is long, and the cable is suitable for large popularization.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Cold-resistant cable, including cable (1), be equipped with a plurality of sinle silk (2) in cable (1), its characterized in that still includes: the inner insulation layers (3) are arranged on the outer wall of each inner insulation layer (3) from inside to outside, and the inner insulation layers comprise a filling layer (4), a heat insulation layer (5), an ultraviolet resistant layer (6), a cowhide layer (7) and a sheath (8).

2. The cold resistant cable of claim 1, wherein: the inner insulating layer (3) is made of a high-tearing-resistance silicon rubber insulating material, and the high-tearing-resistance silicon rubber insulating material is fixedly connected with the wire core (2) in a surrounding mode.

3. The cold resistant cable of claim 1, wherein: the filling layer (4) is made of a high-low temperature resistant soft material, and the high-low temperature resistant soft material is fixedly connected with the high-tearing resistant silicon rubber insulating material.

4. The cold resistant cable of claim 1, wherein: the heat preservation layer (5) is made of nylon heat preservation materials, and the nylon heat preservation materials are fixedly connected with the high-low temperature resistant soft materials.

5. The cold resistant cable of claim 1, wherein: the ultraviolet resistant layer (6) is an ultraviolet screening agent, and the ultraviolet screening agent is fixedly connected with the nylon heat insulation material.

6. The cold resistant cable of claim 1, wherein: the cowhide layer (7) is in a circular ring shape, and the cowhide layer (7) is fixedly connected with the ultraviolet shielding agent.

7. The cold resistant cable of claim 1, wherein: the sheath (8) is made of PUR polyurethane material, and the PUR polyurethane material is fixedly connected with the cowhide layer (7).