CN219246419U

CN219246419U - Flexible cable structure capable of being used in low-temperature environment

Info

Publication number: CN219246419U
Application number: CN202223173208.2U
Authority: CN
Inventors: 季忠银; 陆昌伟; 陈贵湘; 蔡惠俊; 周雪萍; 范炜; 王勇; 陈中震
Original assignee: Zhenjiang Huayin Instrument Electrical Co ltd
Current assignee: Zhenjiang Huayin Instrument Electrical Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-06-23
Anticipated expiration: 2032-11-29

Abstract

The utility model relates to the technical field of cables and discloses a flexible cable structure capable of being used in a low-temperature environment, which solves the problem of short service life of the traditional cable in the low-temperature environment and comprises a cable body, wherein the cable body consists of a low-temperature resistant insulating rubber outer layer, a combined tensile heat conducting layer, a low-temperature resistant insulating rubber inner layer, a memory rubber coating layer, a flexible filling inner layer and a plurality of cable inner cores; the cable structure can improve the frost resistance of the cable, and can heat the cable insulating layer by utilizing heat generated by the cable during operation, so that the service life of the cable can be prolonged.

Description

Flexible cable structure capable of being used in low-temperature environment

Technical Field

The utility model belongs to the technical field of cables, and particularly relates to a flexible cable structure capable of being used in a low-temperature environment.

Background

The cable is widely used in various industries, and the use of the current cable also has defects, when the cable is used in a low-temperature environment, the cable can be frozen, lose elasticity and even crack, so that the cable is exposed, the service life of the power cable is seriously reduced, and certain potential safety hazards are caused, so that a flexible cable structure capable of being used in the low-temperature environment is needed.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the flexible cable structure which can be used in a low-temperature environment, and the problem of short service life of the existing cable in the low-temperature environment is effectively solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a flexible cable structure that can be used to low temperature environment, includes the cable body, the cable body comprises low temperature resistant insulating rubber skin, combination formula tensile heat conduction layer, low temperature resistant insulating rubber inlayer, memory rubber coating, flexible packing inlayer and a plurality of cable inner cores, low temperature resistant insulating rubber skin cover is located combination formula tensile heat conduction layer, low temperature resistant insulating rubber inlayer is located to combination formula tensile heat conduction layer cover, memory rubber coating is located to low temperature resistant insulating rubber inlayer cover, flexible packing inlayer cover is located flexible packing inlayer, cable inner core is located to flexible packing inlayer cover, the surface cover of cable inner core is equipped with a plurality of heat conduction structures that are connected with combination formula tensile heat conduction layer.

Preferably, the combined type tensile heat conduction layer is formed by weaving a plurality of tensile heat conduction metal strips I and a plurality of tensile heat conduction metal strips II, and the combined type tensile heat conduction layer is of a net structure.

Preferably, the outer surface of the combined tensile heat conduction layer is fixedly provided with a plurality of capillary heat conduction metal wires which are penetrated in the low-temperature-resistant insulating rubber outer layer.

Preferably, the cable inner core is composed of an inner core insulating layer and a metal conductor, the inner core insulating layer is sleeved on the metal conductor, the metal conductor is formed by twisting a plurality of conductive metal wires, and the metal conductor is made of nickel-copper alloy.

Preferably, the heat conducting structure is composed of a heat conducting metal sleeve and a plurality of heat conducting metal wires, the heat conducting metal sleeve is sleeved on the inner core insulating layer, and the heat conducting metal wires are connected between the heat conducting metal sleeve and the combined tensile heat conducting layer.

Preferably, the flexible inner filling layer is internally provided with a plurality of pressure-resistant memory rubber supporting bodies matched with the cable inner cores, and the surfaces of the pressure-resistant memory rubber supporting bodies are provided with arc clamping grooves matched with the cable inner cores.

Compared with the prior art, the utility model has the beneficial effects that:

(1) In operation, the cable body consisting of the low-temperature-resistant insulating rubber outer layer, the combined tensile heat-conducting layer, the low-temperature-resistant insulating rubber inner layer, the memory rubber coating layer, the flexible filling inner layer and the plurality of cable inner cores is arranged, so that the frost resistance of the cable can be improved, the cable insulating layer can be heated by utilizing heat generated by the cable during operation, and the cable can be used in a low-temperature environment, and the service life of the cable is prolonged;

(2) The memory rubber coating layer, the flexible filling inner layer and the pressure-resistant memory rubber support body are arranged, so that the overall flexibility and the pressure resistance of the cable can be improved, and the cable is prevented from deforming.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

FIG. 1 is a schematic view of a flexible cable structure that can be used in a cryogenic environment according to the present utility model;

FIG. 2 is a cross-sectional view of a flex cable structure useful in a cryogenic environment according to the present utility model;

FIG. 3 is a schematic view of a partial structure of a combined tensile heat conductive layer according to the present utility model;

FIG. 4 is a schematic diagram of the structure of the pressure-resistant memory rubber support of the present utility model;

in the figure: 1. a cable body; 2. a low temperature resistant insulating rubber outer layer; 3. a combined tensile heat conducting layer; 4. a low temperature resistant insulating rubber inner layer; 5. a memory rubber coating layer; 6. flexibly filling the inner layer; 7. a cable core; 8. a thermally conductive structure; 9. tensile heat-conducting metal strip I; 10. tensile heat-conducting metal strip II; 11. capillary heat conducting wire; 12. an inner core insulating layer; 13. a metal conductor; 14. a thermally conductive metal sleeve; 15. a thermally conductive wire; 16. a pressure-resistant memory rubber support; 17. an arc-shaped clamping groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; 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.

As shown in fig. 1, the flexible cable structure capable of being used in a low-temperature environment comprises a cable body 1, wherein the cable body 1 is composed of a low-temperature resistant insulating rubber outer layer 2, a combined type tensile heat conducting layer 3, a low-temperature resistant insulating rubber inner layer 4, a memory rubber coating layer 5, a flexible filling inner layer 6 and a plurality of cable inner cores 7, the combined type tensile heat conducting layer 3 is sleeved on the low-temperature resistant insulating rubber outer layer 2, the low-temperature resistant insulating rubber inner layer 4 is sleeved on the memory rubber coating layer 5, the memory rubber coating layer 5 is sleeved on the flexible filling inner layer 6, the flexible filling inner layer 6 is sleeved on the cable inner cores 7, and a plurality of heat conducting structures 8 connected with the combined type tensile heat conducting layer 3 are sleeved on the outer surfaces of the cable inner cores 7;

as shown in fig. 1 to 4, the combined tensile heat conducting layer 3 is formed by weaving a plurality of tensile heat conducting metal strips 9 and a plurality of tensile heat conducting metal strips 10, the combined tensile heat conducting layer 3 is of a net structure, the tensile property and the heat conductivity can be improved, simultaneously the scalability performance is improved, a plurality of capillary heat conducting metal wires 11 penetrating through the low temperature resistant insulating rubber outer layer 2 are fixedly arranged on the outer surface of the combined tensile heat conducting layer 3, the heating effect on the low temperature resistant insulating rubber outer layer 2 can be improved, the cable inner core 7 is composed of an inner core insulating layer 12 and a metal conductor 13, the inner core insulating layer 12 is sleeved on the metal conductor 13, the metal conductor 13 is formed by twisting a plurality of conductive metal wires, the metal conductor 13 is made of nickel-copper alloy material, the flexibility can be improved, the heat conducting structure 8 is composed of a heat conducting metal sleeve 14 and a plurality of heat conducting metal wires 15, the heat generated by the cable inner core 7 can be transferred to the combined tensile heat conducting layer 3, the heat conducting metal sleeve 14 is sleeved on the inner core insulating layer 12, the heat conducting metal wire 15 is connected between the heat conducting metal sleeve 14 and the combined tensile heat conducting layer 3, the inner core 6 is internally provided with a plurality of memory cards which are matched with the cable inner core 7, and the memory 16 is provided with the cable support body 7, and the memory support body 17 is matched with the cable support body and the compression-resistant memory cavity is provided with the cable support body 7;

the heat that the cable inner core 7 during operation produced is transferred to heat conduction metal sheath 14, heat conduction metal sheath 14 passes through heat conduction metal wire 15 and transmits to combination formula tensile heat conduction layer 3, finally by combination formula tensile heat conduction layer 3 with heat transmission to capillary heat conduction metal wire 11, realize the heating to low temperature resistant insulating rubber skin 2, can realize heating combination formula tensile heat conduction layer 3 through the heat conduction metal wire 15 that runs through the setting, low temperature resistant insulating rubber inlayer 4, memory rubber coating 5, flexible packing inlayer 6, can utilize the heat that the cable self produced to realize comprehensive heating through this heating structure, effectively improve the freeze resistance of cable, have the function of melting ice and snow simultaneously winter, effectively improve the life of cable.

In operation, the cable body consisting of the low-temperature-resistant insulating rubber outer layer, the combined tensile heat-conducting layer, the low-temperature-resistant insulating rubber inner layer, the memory rubber coating layer, the flexible filling inner layer and the plurality of cable inner cores is arranged, so that the frost resistance of the cable can be improved, the cable insulating layer can be heated by utilizing heat generated by the cable during operation, and the cable can be used in a low-temperature environment, and the service life of the cable is prolonged; the memory rubber coating layer, the flexible filling inner layer and the pressure-resistant memory rubber support body are arranged, so that the overall flexibility and the pressure resistance of the cable can be improved, and the cable is prevented from deforming.

Claims

1. A flexible cable structure usable in a low temperature environment, comprising a cable body (1), characterized in that: the cable body (1) comprises a low temperature resistant insulating rubber outer layer (2), a combined tensile heat conducting layer (3), a low temperature resistant insulating rubber inner layer (4), a memory rubber coating layer (5), a flexible filling inner layer (6) and a plurality of cable inner cores (7), wherein the combined tensile heat conducting layer (3) is sleeved on the low temperature resistant insulating rubber outer layer (2), the combined tensile heat conducting layer (3) is sleeved on the low temperature resistant insulating rubber inner layer (4), the memory rubber coating layer (5) is sleeved on the flexible filling inner layer (6), the cable inner cores (7) are sleeved on the flexible filling inner layer (6), and a plurality of heat conducting structures (8) connected with the combined tensile heat conducting layer (3) are sleeved on the outer surface of the cable inner cores (7).

2. A flexible cable structure usable in a cryogenic environment as defined in claim 1, wherein: the combined type tensile heat conduction layer (3) is formed by weaving a plurality of tensile heat conduction metal strips I (9) and a plurality of tensile heat conduction metal strips II (10), and the combined type tensile heat conduction layer (3) is of a net-shaped structure.

3. A flexible cable structure usable in a cryogenic environment as defined in claim 2, wherein: the outer surface of the combined tensile heat conduction layer (3) is fixedly provided with a plurality of capillary heat conduction metal wires (11) which are inserted in the low-temperature-resistant insulating rubber outer layer (2).

4. A flexible cable structure usable in a cryogenic environment as defined in claim 1, wherein: the cable inner core (7) is composed of an inner core insulating layer (12) and a metal conductor (13), the inner core insulating layer (12) is sleeved on the metal conductor (13), the metal conductor (13) is formed by twisting a plurality of conductive metal wires, and the metal conductor (13) is made of nickel-copper alloy.

5. A flexible cable structure usable in a cryogenic environment as defined in claim 4, wherein: the heat conduction structure (8) is composed of a heat conduction metal sleeve (14) and a plurality of heat conduction metal wires (15), the heat conduction metal sleeve (14) is sleeved on the inner core insulating layer (12), and the heat conduction metal wires (15) are connected between the heat conduction metal sleeve (14) and the combined tensile heat conduction layer (3).

6. A flexible cable structure usable in a cryogenic environment as defined in claim 1, wherein: the flexible filling inner layer (6) is internally provided with a plurality of pressure-resistant memory rubber supporting bodies (16) matched with the cable inner cores (7), and arc clamping grooves (17) matched with the cable inner cores (7) are formed in the surfaces of the pressure-resistant memory rubber supporting bodies (16).