CN218939300U

CN218939300U - High-temperature-resistant bending-resistant cable

Info

Publication number: CN218939300U
Application number: CN202223373366.2U
Authority: CN
Inventors: 陈声勇
Original assignee: Zhuhai Xunfu Wire And Cable Co ltd
Current assignee: Zhuhai Xunfu Wire And Cable Co ltd
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-04-28
Anticipated expiration: 2032-12-15

Abstract

The utility model relates to the technical field of cables, in particular to a high-temperature-resistant and bending-resistant cable, which comprises a protective layer, wherein a waterproof layer is arranged in the protective layer, a silver-plated copper wire shielding layer is arranged in the waterproof layer, a heat insulation layer is arranged in the silver-plated copper wire shielding layer, a reinforcing layer is arranged in the heat insulation layer, a heat-resistant layer is arranged in the reinforcing layer, a plurality of protective layers are arranged in the heat-resistant layer, and a filling layer is arranged between the heat-resistant layer and the protective layers. The utility model has the advantages that: through being provided with heat-resisting layer and insulating layer, the material of insulating layer is the aerogel, through the insulating layer makes the thermal-insulated performance of this cable structure comparatively good, very big avoid external temperature to the influence of this cable structure, the material of heat-resisting layer is polysulfonamide, through the heat-resisting layer makes the high temperature resistance of this cable structure comparatively good to very big avoid the influence of high temperature to this cable structure.

Description

High-temperature-resistant bending-resistant cable

Technical Field

The utility model relates to the technical field of cables, in particular to a high-temperature-resistant and bending-resistant cable.

Background

The wire is composed of multiple wires insulated from each other, and is used for telecommunication or power transmission, and the cable includes power cable, control cable, compensation cable, shielding cable, high temperature cable, computer cable, signal cable, coaxial cable, fire-resistant cable, marine cable, mining cable, aluminum alloy cable, etc. They are composed of single-strand or multi-strand wires and insulating layers, and are used for connecting circuits, electric appliances and the like, and the cable is inevitably bent during transportation or wiring.

Most cables on the market are easy to twist due to frequent bending operation or long-term bending time, even break phenomenon occurs when severe, the service life of the cable is affected, and the cable is required to have better heat resistance when the cable works in a high-temperature environment.

It should be noted that the foregoing description of the technical background is only for the purpose of facilitating a clear and complete description of the technical solutions of the present specification and for the convenience of understanding by those skilled in the art. The above-described solutions are not considered to be known to the person skilled in the art simply because they are set forth in the background section of the present description.

Disclosure of Invention

The object of the present utility model is to solve at least one of the technical drawbacks.

Therefore, an object of the present utility model is to provide a high temperature resistant and bending resistant cable, which solves the problems mentioned in the background art and overcomes the shortcomings in the prior art.

To achieve the above object, an embodiment of an aspect of the present utility model provides a high temperature resistant and bending resistant cable, including a protection layer, a waterproof layer is provided in the protection layer, a silver-plated copper wire shielding layer is provided in the waterproof layer, a heat insulation layer is provided in the silver-plated copper wire shielding layer, a reinforcing layer is provided in the heat insulation layer, a heat-resistant layer is provided in the reinforcing layer, a plurality of protection layers are provided in the heat-resistant layer, a filling layer is provided between the heat-resistant layer and the protection layers, a cable core is provided in the protection layers, and a plurality of reinforcing wires are wound on an outer surface of the cable core.

In any of the above embodiments, it is preferable that the heat insulating layer is made of aerogel.

The technical effect achieved by adopting the scheme is as follows: the aerogel has a very good heat insulation effect because more than 80% of the aerogel is air, and the thick aerogel has a heat insulation function of 20 to 30 pieces of common glass, so that the heat insulation effect of the heat insulation layer is relatively good.

In any of the above embodiments, the heat-resistant layer is preferably made of polysulfonamide.

The technical effect achieved by adopting the scheme is as follows: the polysulfonamide has good heat resistance, and has good flame retardance and electrical insulation properties, so that the heat resistance of the heat-resistant layer is good.

In any of the above embodiments, it is preferable that the reinforcing layer is made of glass fiber.

The technical effect achieved by adopting the scheme is as follows: the glass fiber has high tensile strength of 6.3-6.9 g/d in standard state and 5.4-5.8 g/d in wet state, and has excellent heat resistance.

In any of the above embodiments, it is preferable that the protective layer and the protective layer are made of isoprene rubber.

The technical effect achieved by adopting the scheme is as follows: isoprene rubber has good elasticity and high tensile strength, so that the protective layer and the protective layer can bear large tensile force without damage.

In any of the above embodiments, it is preferable that the filler layer is made of a flame retardant fiber.

The technical effect achieved by adopting the scheme is as follows: the flame-retardant fiber has good flame retardant property, so that the flame retardant effect of the filling layer is good.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

1. this high temperature resistant cable of buckling is provided with heat-resisting layer and insulating layer, the material of insulating layer is aerogel, through the insulating layer makes the thermal-insulated performance of this cable structure comparatively good, very big avoid external temperature to the influence of this cable structure, the material of heat-resisting layer is polysulfonamide, through the heat-resisting layer makes the high temperature resistance of this cable structure comparatively good to very big avoid the influence of high temperature to this cable structure.

2. This high temperature resistant cable of nai bending has increased through the surface winding of cable core has a plurality of enhancement line, has increased the stretch-proofing performance of cable core, and through being provided with protective layer and inoxidizing coating, the material of protective layer and inoxidizing coating is isoprene rubber, through protective layer and inoxidizing coating make the elasticity of this cable structure better, through the protective layer has further increased the stretch-proofing performance of cable core, through the protective layer makes the whole stretch-proofing performance of this cable structure comparatively good, and through with the cooperation setting of enhancement layer, makes the whole stretch-proofing performance of this cable structure comparatively good, and then makes this cable structure can bear the condition of bending and not appearing damaging of more times, has guaranteed the life of this cable structure.

Drawings

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

fig. 2 is a schematic structural view of the cable core of the present utility model.

In the figure: 1-protective layer, 2-waterproof layer, 3-silver plating copper wire shielding layer, 4-insulating layer, 5-reinforcing layer, 6-heat-resistant layer, 7-protective layer, 8-filling layer, 9-cable core and 10-reinforcing wire.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings, but the scope of the present utility model is not limited to the following.

As shown in fig. 1-2, a high temperature resistant and bending resistant cable comprises a protection layer 1, wherein a waterproof layer 2 is arranged in the protection layer 1, external water vapor can be greatly prevented from entering the cable structure through the waterproof layer 2, the waterproof performance of the cable structure is good, a silver-plated copper wire shielding layer 3 is arranged in the waterproof layer 2, the shielding performance of the cable structure is good through the silver-plated copper wire shielding layer 3, the influence of external signals on the cable structure is greatly avoided, transmission can be normally carried out, a heat insulation layer 4 is arranged in the silver-plated copper wire shielding layer 3, a reinforcing layer 5 is arranged in the heat insulation layer 4, a heat-resistant layer 6 is arranged in the reinforcing layer 5, a plurality of protective layers 7 are arranged in the heat-resistant layer 6, a filling layer 8 is arranged between the heat-resistant layer 6 and the protective layers 7, a cable core 9 is arranged in the inner part of the protective layers 7, and a plurality of reinforcing wires 10 are wound on the outer surface of the cable core 9.

As an alternative technical scheme of the utility model, the material of the heat insulation layer 4 is aerogel, and more than 80% of the aerogel is air, so that the heat insulation layer has a very good heat insulation effect, and the aerogel with a thickness of one inch is equivalent to the heat insulation function of 20 to 30 pieces of common glass, so that the heat insulation effect of the heat insulation layer 4 is relatively good.

As an alternative technical scheme of the utility model, the heat-resistant layer 6 is made of polysulfonamide, and the polysulfonamide has good heat resistance, better flame retardance and electrical insulation properties, so that the heat resistance of the heat-resistant layer 6 is better.

As an alternative technical scheme of the utility model, the reinforcing layer 5 is made of glass fiber, the glass fiber has high tensile strength, the tensile strength is 6.3-6.9 g/d in a standard state, and the wet state is 5.4-5.8 g/d, and has good heat resistance.

As an alternative technical scheme of the utility model, the protection layer 1 and the protection layer 7 are made of isoprene rubber, and the isoprene rubber has good elasticity and high tensile strength, so that the protection layer 1 and the protection layer 7 can bear large tensile force without damage.

As an alternative technical scheme of the utility model, the material of the filling layer 8 is flame-retardant fiber, and the flame-retardant fiber has good flame-retardant performance, so that the flame-retardant effect of the filling layer 8 is good.

In summary, this high temperature resistant cable of nai bending is provided with heat-resisting layer 6 and insulating layer 4, the material of insulating layer 4 is aerogel, it is comparatively good to make the thermal insulation performance of this cable structure through insulating layer 4, very big avoid the influence of external temperature to this cable structure, the material of heat-resisting layer 6 is polysulfonamide, make the high temperature resistant performance of this cable structure comparatively good through heat-resisting layer 6, thereby very big avoid the influence of high temperature to this cable structure, through twining at the surface of cable core 9 has a plurality of enhancement line 10, the stretch-proofing performance of cable core 9 has been increased, and through being provided with protective layer 1 and inoxidizing coating 7, the material of protective layer 1 and inoxidizing coating 7 is isoprene rubber, elasticity through protective layer 1 and inoxidizing coating 7 make this cable structure is better, the stretch-proofing performance of cable core 9 has further been increased through protective layer 7, it is comparatively good to make this cable structure's whole stretch-proofing performance, and through the cooperation setting with enhancement layer 5, make this cable structure's whole stretch-proofing performance comparatively good, and then make this cable structure can bear the bending more times and the condition of this cable structure has been guaranteed that this cable structure has comparatively life.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

It will be readily understood by those skilled in the art that the present utility model, including any combination of parts described in the summary and detailed description of the utility model above and shown in the drawings, is limited in scope and does not constitute a complete description of the various aspects of these combinations for the sake of brevity. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Although embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations may be made in the above embodiments by those skilled in the art without departing from the spirit and principles of the utility model. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a high temperature resistant cable of nai bending which characterized in that: including protective layer (1), the inside of protective layer (1) is provided with waterproof layer (2), the inside of waterproof layer (2) is provided with silver-plated copper wire shielding layer (3), the inside of silver-plated copper wire shielding layer (3) is provided with insulating layer (4), the inside of insulating layer (4) is provided with enhancement layer (5), the inside of enhancement layer (5) is provided with heat-resistant layer (6), the inside of heat-resistant layer (6) is provided with a plurality of inoxidizing coating (7), be provided with filling layer (8) between heat-resistant layer (6) and inoxidizing coating (7), the inside of inoxidizing coating (7) is provided with cable core (9), the surface winding of cable core (9) has a plurality of stiffening wire (10).

2. The high temperature and bending resistant cable of claim 1, wherein: the heat insulation layer (4) is made of aerogel.

3. A high temperature and bending resistant cable as claimed in claim 2, wherein: the heat-resistant layer (6) is made of polysulfonamide.

4. A high temperature and bending resistant cable according to claim 3, wherein: the reinforcing layer (5) is made of glass fiber.

5. The high temperature and bending resistant cable of claim 4, wherein: the protection layer (1) and the protection layer (7) are made of isoprene rubber.

6. The high temperature and bending resistant cable of claim 5, wherein: the material of the filling layer (8) is flame-retardant fiber.