CN219658448U

CN219658448U - Insulated cable structure with high transmission efficiency

Info

Publication number: CN219658448U
Application number: CN202222460348.1U
Authority: CN
Inventors: 叶斌洪
Original assignee: Ningbo Zhiheng Cable Co ltd
Current assignee: Ningbo Zhiheng Cable Co ltd
Priority date: 2022-09-15
Filing date: 2022-09-15
Publication date: 2023-09-08
Anticipated expiration: 2032-09-15

Abstract

The utility model discloses an insulated cable structure with high transmission efficiency, which comprises a cable core and is characterized in that: the conductive cable core comprises a lining core, a cooling channel is arranged in the center of the lining core, a conductive layer is arranged outside the lining core, an insulating tape layer formed by winding a plurality of layers of insulating tapes is arranged outside the conductive layer, a shielding layer is arranged outside the insulating tape layer, a cooling layer is arranged outside the shielding layer, and a heat insulation layer is arranged outside the cooling layer. The utility model provides an insulated cable structure with high transmission efficiency, which ensures the transmission efficiency of a cable and realizes the stable long-time work of the cable.

Description

Insulated cable structure with high transmission efficiency

Technical Field

The utility model relates to an insulated cable structure with high transmission efficiency.

Background

The cable is typically a rope-like cable stranded from several wires or groups of wires (at least two in each group), each group being insulated from each other and often twisted around a center, the entire outer face being covered with a highly insulating coating, the cable having the characteristics of inner energizing, outer insulation. At present, the cable can generate more heat on the body when in use, and the heat accumulation is easy to cause for a long time, so that the internal transmission is blocked, and the normal use of the cable is affected.

Disclosure of Invention

Aiming at the current state of the art, the utility model provides the insulated cable structure with high transmission efficiency, ensures the transmission efficiency of the cable and realizes the stable long-time work of the cable.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides an insulating cable structure that transmission efficiency is high, includes cable core, its characterized in that: the conductive cable core comprises a lining core, a cooling channel is arranged in the center of the lining core, a conductive layer is arranged outside the lining core, an insulating tape layer formed by winding a plurality of layers of insulating tapes is arranged outside the conductive layer, a shielding layer is arranged outside the insulating tape layer, a cooling layer is arranged outside the shielding layer, and a heat insulation layer is arranged outside the cooling layer.

As an improvement, the heat insulating layer is provided with a corrosion-resistant layer.

Further improved, the conductive layer comprises a plurality of conductive strips which are uniformly wound outside the lining core.

And the conductive strip consists of a basal layer, a buffer layer, a transmission layer, a protection layer and an upper stabilizing layer and a lower stabilizing layer.

Further improved, the conductive cable cores are provided with a plurality of conductive cable cores, and the conductive cable cores are mutually twisted together.

And the conductive cable is characterized in that a tensile assembly is arranged between the conductive cable cores, and the tensile assembly comprises a plurality of stranded tensile members.

And further improvement, an outer cooling layer is arranged outside the plurality of conductive cable cores, a vacuum heat insulation layer is arranged outside the outer cooling layer, and a protection layer is arranged outside the vacuum heat insulation layer.

And the vacuum heat insulation layer is formed by winding a plurality of vacuum heat insulation pipes outside the outer cooling layer.

Compared with the prior art, the utility model has the advantages that: according to the utility model, the conducting layer is made of a material with good conductivity, the lining core with the cooling channel is arranged in the conducting layer, and the cooling layer is arranged outside the conducting layer, so that insulating cooling liquid can be introduced into the cooling channel and the cooling layer, the inside and outside of the conducting layer are cooled, the temperature rise of the conducting layer is prevented from influencing the transmission efficiency, meanwhile, the heat insulation layer is used for preventing external heat from being transferred into a cable, meanwhile, the insulating tape layer is formed by winding a plurality of layers of insulating tapes, the winding layer number of the insulating tapes can be increased or decreased according to the requirement, the required insulating effect is ensured, and the stable long-time work of the cable is realized.

Drawings

FIG. 1 is a schematic diagram of an insulated cable with high transmission efficiency according to an embodiment of the present utility model;

fig. 2 is a schematic structural view of an insulated cable having a plurality of conductive cores according to an embodiment of the utility model;

fig. 3 is a schematic structural diagram of a conductive layer according to an embodiment of the present utility model.

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

As shown in fig. 1 to 3, the insulated cable structure with high transmission efficiency in this embodiment includes a cable core, the cable core includes a core 1, a cooling channel 11 is provided in the center of the core 1, a conductive layer 2 is provided outside the core 1, an insulating tape layer 3 formed by winding a plurality of layers of insulating tape is provided outside the conductive layer 2, a shielding layer 4 is provided outside the insulating tape layer 3, a cooling layer 5 is provided outside the shielding layer 4, an insulating layer 6 is provided outside the cooling layer 5, and a corrosion-resistant layer 7 is provided outside the insulating layer 6.

Further, in the embodiment of the present utility model, in order to further improve the transmission efficiency, the conductive layer 2 includes a plurality of conductive tapes 21, and the plurality of conductive tapes 21 are uniformly wound around the outside of the core 1. The conductive strip 21 is adopted, so that the transmission sectional area is increased. Meanwhile, further, as shown in fig. 3, the conductive tape 21 is composed of a base layer 212, a buffer layer 213, a transmission layer 214, a protection layer 215, and upper and lower stabilizing layers 211. The multi-layer structure ensures the isotropy of electrons, so that current can be transmitted unimpeded at low temperature.

In addition, as shown in fig. 2, the insulated cable according to the embodiment of the utility model may further have a plurality of conductive cable cores, and the plurality of conductive cable cores are twisted with each other. Meanwhile, in order to improve the mechanical property of the cable, a tensile member 8 is arranged between the conductive cable cores, the tensile member 8 comprises a plurality of tensile members 81 which are twisted, and the tensile members 81 can be made of plastic materials, hemp ropes, cotton yarns or steel wires and other structures.

In addition, in order to further secure a low-temperature transmission environment, an outer cooling layer 91 is provided outside the plurality of conductive cable cores, a vacuum insulation layer 92 is provided outside the outer cooling layer 91, a protective layer 94 is provided outside the vacuum insulation layer 92, and an outer shielding layer 93 is provided between the protective layer 94 and the vacuum insulation layer 92. By adding the outer cooling layer 91, the inner and outer double cooling of the cable is realized. Preferably, the vacuum insulation layer 92 is formed by winding a plurality of vacuum insulation pipes outside the outer cooling layer 91.

In summary, the utility model utilizes the material with good electric conduction performance to make the conductive layer 2, through setting up the lining core 1 with cooling channel 11 in the conductive layer 2, and through setting up the cooling layer 5 outside the conductive layer 2, can let in insulating coolant in cooling channel 11 and cooling layer 5, realize cooling the inside and outside of conductive layer 2, avoid conductive layer 2 temperature to rise to influence transmission efficiency, simultaneously, avoid outside heat transfer to the cable conductor with insulating layer 6, simultaneously, utilize insulating tape to carry out multilayer winding and form insulating tape layer 3, the winding layer number of insulating tape can increase and decrease as required, ensure the insulating effect of needs, thereby realize the stable long-time work of cable conductor.

Claims

1. The utility model provides an insulating cable structure that transmission efficiency is high, includes cable core, its characterized in that: the electric conduction cable core comprises a lining core (1), a cooling channel (11) is arranged in the center of the lining core (1), an electric conduction layer (2) is arranged outside the lining core (1), an insulating tape layer (3) formed by winding insulating tapes in multiple layers is arranged outside the electric conduction layer (2), a shielding layer (4) is arranged outside the insulating tape layer (3), a cooling layer (5) is arranged outside the shielding layer (4), and an insulating layer (6) is arranged outside the cooling layer (5).

2. The insulated cable structure with high transmission efficiency according to claim 1, wherein: and a corrosion-resistant layer (7) is arranged outside the heat insulating layer (6).

3. The insulated cable structure with high transmission efficiency according to claim 1, wherein: the conductive layer (2) comprises a plurality of conductive strips (21), and the plurality of conductive strips (21) are uniformly wound outside the lining core (1).

4. A transmission-efficient insulated cable structure according to claim 3, wherein: the conductive strip (21) is composed of a basal layer (212), a buffer layer (213), a transmission layer (214), a protective layer (215) and an upper stabilizing layer (211).

5. The insulated cable structure with high transmission efficiency according to claim 1, wherein: the conductive cable cores are mutually twisted together.

6. The insulated cable structure with high transmission efficiency according to claim 5, wherein: a tensile assembly (8) is arranged between the conductive cable cores, and the tensile assembly (8) comprises a plurality of tensile members (81) which are stranded.

7. The insulated cable structure with high transmission efficiency according to claim 5, wherein: the outside of many conductive cable core is provided with outer cooling layer (91), and outer cooling layer (91) is provided with vacuum insulation layer (92) outward, and vacuum insulation layer (92) is provided with protective layer (94) outward.

8. The insulated cable structure with high transmission efficiency according to claim 7, wherein: the vacuum heat insulation layer (92) is formed by winding a plurality of vacuum heat insulation pipes outside the outer cooling layer (91).