CN217306179U

CN217306179U - Cable convenient to heat dissipation

Info

Publication number: CN217306179U
Application number: CN202220662060.XU
Authority: CN
Inventors: 王正取
Original assignee: YUNNAN YUNLAN CABLE (GROUP) CO Ltd
Current assignee: YUNNAN YUNLAN CABLE (GROUP) CO Ltd
Priority date: 2022-03-24
Filing date: 2022-03-24
Publication date: 2022-08-26
Anticipated expiration: 2032-03-24

Abstract

The utility model discloses a cable convenient for heat dissipation, which comprises a cable core, a hollow heat conducting cylinder, an insulating layer, a heat dissipation ring and an armor layer; the cable core is in line contact with the hollow heat-conducting cylinder, and an insulating layer is integrally coated on the outer sides of the cable core and the hollow heat-conducting cylinder; an inner flame retardant layer is filled between the cable core and the gap between the hollow heat-conducting cylinder and the insulating layer; the outer side of the insulating layer is sequentially coated with a heat dissipation ring and an armor layer; the heat dissipation ring comprises a heat dissipation inner ring and a heat dissipation outer ring, a heat dissipation cavity is formed between the heat dissipation inner ring and the heat dissipation outer ring, and the heat dissipation inner ring and the heat dissipation outer ring are connected through a plurality of connecting columns; a plurality of heat dissipation channels communicated to the outside of the cable are formed in the heat dissipation outer ring, and dustproof vent plugs are arranged at outlets of the heat dissipation channels; the heat dissipation ring is connected with the hollow heat conduction cylinder through a plurality of heat conduction rods. The utility model discloses can in time distribute away the inside heat of cable effectively, reduce the potential safety hazard, improve the security.

Description

Cable convenient to heat dissipation

Technical Field

The utility model relates to the technical field of cables, in particular to cable convenient to heat dissipation.

Background

In recent years, with the development of society, the power demand and the power utilization scene are increased, and the cable can generate a large amount of heat in continuous work, and if the heat cannot be timely dissipated, the high fire hazard can be caused.

Although the heat dissipation cable in the prior art has a certain heat dissipation effect, the heat dissipation performance is still not good, and needs to be further improved.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a cable convenient to heat dissipation can in time distribute away the inside heat of cable effectively, reduces the potential safety hazard, improves the security.

In order to solve the technical problem, the utility model discloses a technical scheme does:

a cable convenient for heat dissipation comprises a cable core, a hollow heat conducting cylinder, an insulating layer, a heat dissipation ring and an armor layer; the cable core is in line contact with the hollow heat-conducting cylinder, and an insulating layer is integrally coated on the outer sides of the cable core and the hollow heat-conducting cylinder; an inner flame retardant layer is filled between the cable core and the gap between the hollow heat-conducting cylinder and the insulating layer; the outer side of the insulating layer is sequentially coated with a heat dissipation ring and an armor layer; the heat dissipation ring comprises a heat dissipation inner ring and a heat dissipation outer ring, a heat dissipation cavity is formed between the heat dissipation inner ring and the heat dissipation outer ring, and the heat dissipation inner ring and the heat dissipation outer ring are connected through a plurality of connecting columns; a plurality of heat dissipation channels communicated to the outside of the cable are formed in the heat dissipation outer ring, and dustproof vent plugs are arranged at outlets of the heat dissipation channels; the heat dissipation ring is connected with the hollow heat conduction cylinder through a plurality of heat conduction rods.

Furthermore, the inner cavity of the hollow heat-conducting cylinder is provided with a reinforcing rib.

Furthermore, the longitudinal section of the reinforcing rib is triangular.

Furthermore, the reinforcing rib is hollow.

Furthermore, an outer fireproof layer is arranged between the armor layer and the heat dissipation ring.

The beneficial effects of the utility model are that:

the utility model directly conducts the heat generated by the cable core to the hollow heat-conducting cylinder by utilizing the line contact mode between the hollow heat-conducting cylinder and the cable core; meanwhile, the hollow heat conducting cylinder is connected to the radiating ring through the heat conducting rod, and the radiating ring is communicated with the outside of the cable through the radiating channel, so that outside air can enter the radiating cavity, and the radiating and cooling effects of the heat conducting rod are achieved. The utility model discloses can effectively in time distribute away the heat that the cable is inside to produce, avoid the heat to pile up to reduce the potential safety hazard, improve the security.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure, 1-cable core, 2-hollow heat conducting cylinder, 3-insulating layer, 4-radiating ring, 5-armor layer, 6-inner flame retardant layer, 7-connecting column, 8-radiating channel, 9-dustproof ventilating plug, 10-heat conducting rod, 11-reinforcing rib, 12-outer flame retardant layer, 40-inner radiating ring and 41-outer radiating ring.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1, a cable convenient for heat dissipation includes a cable core 1, a hollow heat conducting cylinder 2, an insulating layer 3, a heat dissipating ring 4 and an armor layer 5; more than one cable core 1 is arranged; the cable core 1 is in line contact with the hollow heat-conducting cylinder 2, the insulating layer 3 is integrally coated on the outer sides of the cable core 1 and the hollow heat-conducting cylinder 2, and heat generated by the cable core 1 can be sufficiently and quickly transferred to the hollow heat-conducting cylinder 2 in a line contact mode; the inner fire-proof layer 6 is positioned in the insulating layer 3 and is filled between the cable core 1 and the gap between the hollow heat-conducting cylinder 2 and the insulating layer 3, and the inner fire-proof layer 6 is used for fire prevention and can be filled with glass fiber materials or asbestos for example; the outer side of the insulating layer 3 is sequentially coated with a heat dissipation ring 4 and an armor layer 5; the heat dissipation ring 4 comprises a heat dissipation inner ring 40 and a heat dissipation outer ring 41, a heat dissipation chamber is formed between the heat dissipation inner ring 40 and the heat dissipation outer ring 41, and the heat dissipation inner ring and the heat dissipation outer ring are connected through a plurality of connecting columns 7; a plurality of heat dissipation channels 8 communicated to the outside of the cable are formed in the heat dissipation outer ring 41, and dustproof vent plugs 9 are arranged at outlets of the heat dissipation channels 8; the heat dissipation ring 4 is connected with the hollow heat conduction cylinder 2 through a plurality of heat conduction rods 10.

The heat dissipation ring 4 plays a role in communicating with the outside, so that the outside air can enter the heat dissipation cavity through the heat dissipation channel 8, the heat dissipation and cooling effects of the heat conduction rod 10 are played, and the cable core 1 is indirectly cooled.

The dustproof breather plug 9 has the function of avoiding large dust from entering and can ensure the circulation of airflow when being introduced.

Further, in order to improve the structural strength of the whole cable, the inner cavity of the hollow heat conducting cylinder 2 is provided with a reinforcing rib 11.

Further, the longitudinal section of the reinforcing rib 11 is triangular.

Further, the reinforcing rib 11 is hollow in order to reduce the entire weight of the cable.

Further, in order to improve the fireproof performance, an outer fireproof layer 12 is arranged between the armor layer 5 and the heat dissipation ring 4.

The utility model utilizes the line contact between the hollow heat-conducting cylinder 2 and the cable core 1 to directly conduct the heat generated by the cable core 1 to the hollow heat-conducting cylinder 2; meanwhile, the hollow heat conducting cylinder 2 is connected to the heat radiating ring 4 through the heat conducting rod 10, and the heat radiating ring 4 is communicated with the outside of the cable through the heat radiating channel 8, so that the outside air can enter a heat radiating cavity, and the heat radiating and cooling effects of the heat conducting rod 10 are achieved. The utility model discloses can effectively in time distribute away the heat that the cable is inside to produce, avoid the heat to pile up to reduce the potential safety hazard, improve the security.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and these embodiments are still within the scope of the invention.

Claims

1. The utility model provides a cable convenient to heat dissipation which characterized in that: the cable comprises a cable core (1), a hollow heat conducting cylinder (2), an insulating layer (3), a heat dissipation ring (4) and an armor layer (5); the cable core (1) is in line contact with the hollow heat-conducting cylinder (2), and an insulating layer (3) is integrally coated on the outer sides of the cable core (1) and the hollow heat-conducting cylinder (2); an inner flame-retardant layer (6) is filled between the cable core (1) and the gap between the hollow heat-conducting cylinder (2) and the insulating layer (3) and is positioned in the insulating layer (3); the outer side of the insulating layer (3) is sequentially coated with a heat dissipation ring (4) and an armor layer (5); the heat dissipation ring (4) comprises a heat dissipation inner ring (40) and a heat dissipation outer ring (41), a heat dissipation chamber is formed between the heat dissipation inner ring (40) and the heat dissipation outer ring (41), and the heat dissipation inner ring and the heat dissipation outer ring are connected through a plurality of connecting columns (7); a plurality of heat dissipation channels (8) communicated to the outside of the cable are formed in the heat dissipation outer ring (41), and dustproof vent plugs (9) are arranged at outlets of the heat dissipation channels (8); the heat dissipation ring (4) is connected with the hollow heat conduction cylinder (2) through a plurality of heat conduction rods (10).

2. The cable for facilitating heat dissipation of claim 1, wherein: the inner cavity of the hollow heat conducting cylinder (2) is provided with a reinforcing rib (11).

3. The cable for facilitating heat dissipation of claim 2, wherein: the longitudinal section of the reinforcing rib (11) is triangular.

4. A cable for facilitating heat dissipation as recited in claim 3, wherein: the reinforcing ribs (11) are hollow.

5. The cable for facilitating heat dissipation of claim 1, wherein: an outer fireproof layer (12) is arranged between the armor layer (5) and the heat dissipation ring (4).