CN209747219U

CN209747219U - Power cable

Info

Publication number: CN209747219U
Application number: CN201920628737.6U
Authority: CN
Inventors: 林楚明
Original assignee: Guangdong Lianxun Cable Co Ltd
Current assignee: Guangdong Lianxun Cable Co Ltd
Priority date: 2019-05-05
Filing date: 2019-05-05
Publication date: 2019-12-06
Anticipated expiration: 2029-05-05

Abstract

The utility model discloses a power cable, which comprises a protective sleeve, protective sheath internal surface parcel has the heat dissipation cover of taking the heat dissipation cavity, still be equipped with fire-retardant layer between protective sheath and the heat dissipation cover, place the heat dissipation support in the heat dissipation cover, and be equipped with the incision on the heat dissipation support to install the clamp plate through the incision, the clamp plate forms the chamber that holds that can place the cable with the heat dissipation support, the positive intermediate position of heat dissipation support is equipped with the through-hole, dismantle in the through-hole and install the heat dissipation stick, it is not good to have solved the inside radiating effect of cable, and the heat can not distribute away's problem, avoids the potential safety hazard because of the inside high temperature of cable brings.

Description

Power cable

Technical Field

The utility model relates to a wire and cable technical field especially relates to a power cable.

Background

Along with the continuous increase of consumer in the circuit, the cable is overloaded, the electric current that the cable bore is also bigger and bigger, secondly the cable has phenomenons such as ageing along with the live time, its current-carrying capacity also will reduce of different degree, once the electric current exceeds rated current-carrying capacity, the cable will generate heat, reach certain temperature after the cable will puncture, burn out, lead to the conflagration in serious time, the cable spontaneous combustion is very dangerous, the degree of difficulty of putting out a fire is great, in view of the cable that catches fire has the electricity, can not go out with water, and if there is inflammables around, or give ignition to other cables, cause the conflagration to burn out to, cause the conflagration situation that is difficult to control very easily, not only delayed the power consumption time of common people in high temperature, can harm life even.

CN207097533 discloses a fire-retardant fire-resistant power cable of tensile, including restrictive coating, setting at the intraformational many cable cores of sheath and the insulating layer of cladding on the cable core, be equipped with flexible setting element in the restrictive coating, it has a plurality of locating holes that supply the cable core to realize wearing to establish along the axial to distribute on the flexible setting element, set up the intercommunication locating hole on the flexible setting element and make the cable core wear to establish into the logical groove of locating hole after exerting the deformation effort to flexible setting element along radial direction, the length direction interval arrangement setting of flexible setting element along the cable core, this kind of cable has good tensile, fire-retardant and waterproof performance, but the ventilation effect of this cable is not good, leads to inside heat can not distribute away, and after the cable is inside reaches the uniform temperature, the cable will puncture, burns out, will lead to the conflagration when serious.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome the problem that exists among the above-mentioned, provide a power cable, it is not good to have solved the inside radiating effect of cable, and the heat can not distribute away's problem, avoids the potential safety hazard because of the inside high temperature of cable brings.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a power cable, including the protective sheath, protective sheath internal surface parcel has the heat dissipation cover of taking the heat dissipation cavity, still be equipped with fire-retardant layer between protective sheath and the heat dissipation cover, placed the heat dissipation support in the heat dissipation cover, and be equipped with the incision on the heat dissipation support to install the clamp plate through the incision, the clamp plate forms the chamber that holds that can place the cable with the heat dissipation support, the positive intermediate position of heat dissipation support is equipped with the through-hole, the dismantlement is installed in the through-hole and is dispelled the heat the stick.

Preferably, the heat dissipation support comprises vertical fixed block and horizontal fixed block, and mutually perpendicular installation between vertical fixed block and the horizontal fixed block, vertical fixed block and horizontal fixed block are inside all to be the mesh structure. The vertical installation can evenly distribute the inner space, a good heat dissipation effect is achieved, and meanwhile, the mesh structure can improve the ventilation effect of the heat dissipation support.

Preferably, a through groove is formed in the side face of the pressing plate, and heat-conducting silicone grease is filled in the through groove. The heat that the cable produced is leading-in to the heat dissipation cover through the heat conduction silicone grease in the logical groove, avoids the inside heat of cable to gather, leads to the cable high temperature and takes place to puncture, the phenomenon of burning out.

Preferably, the pressure plate is arc-shaped and is arranged close to the heat dissipation sleeve. The arc-shaped pressing plate and the heat dissipation sleeve are arranged in a clinging mode, and the heat dissipation area can be increased.

Preferably, the outer surface of the cable is in contact with the inner surfaces of the pressure plate and the heat dissipation bracket respectively. The heat dissipation area can be increased, and the heat generated by the cable is directly transferred to the pressing plate and the heat dissipation support, so that the heat dissipation efficiency is improved.

Preferably, the notches are symmetrically distributed on the side surfaces of two ends of the longitudinal fixing block and the transverse fixing block. The both ends of the pressing plate are respectively fixed on the notches of the longitudinal fixing block and the transverse fixing block, so that the overall stability of the heat dissipation support can be improved.

Compared with the prior art, the utility model discloses the beneficial effect who has does: this cable is placed in the chamber that holds that clamp plate and heat dissipation support formed, there is good ventilation effect, can prevent that too much cable from piling up the heat and accumulating under same space, it is not good to have solved the inside radiating effect of cable, the heat can not distribute away the problem, avoid the potential safety hazard because of the inside high temperature of cable brings, the clamp plate side is equipped with logical groove simultaneously, and it has heat conduction silicone grease to fill in leading to the groove, the heat that the cable produced leads to the heat dissipation cover in through the leading-in heat conduction silicone grease that leads to the groove, avoid the inside heat of cable to accumulate, lead to the cable high temperature and take place to puncture, the phenomenon of burning out.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of a power cable according to the present invention;

Fig. 2 is a partially enlarged schematic view of a power cable according to the present invention.

Description of the drawings: 1. a protective sleeve; 2. a heat dissipation cavity; 3. a heat dissipation sleeve; 4. a flame retardant layer; 5. a heat dissipation bracket; 501. a longitudinal fixing block; 502. a transverse fixing block; 6. cutting; 7. pressing a plate; 8. a through groove; 9. an accommodating chamber; 10. a heat dissipation rod; 11. an electrical cable.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

The utility model discloses at the concrete implementation as follows: a power cable as shown in fig. 1-2, which comprises a protective sleeve 1, wherein a heat dissipation sleeve 3 with a heat dissipation cavity 2 is wrapped on the inner surface of the protective sleeve 1, a flame retardant layer 4 is further arranged between the protective sleeve 1 and the heat dissipation sleeve 3, the material of the flame retardant layer 4 has good flame retardant and flame retardant effect and can protect the cable, a heat dissipation support 5 is placed in the heat dissipation sleeve 3, a notch 6 is arranged on the heat dissipation support 5, a pressure plate 7 is installed through the notch 6, a through groove 8 is arranged on the side surface of the pressure plate 7, and heat conduction silicone grease is filled in the through groove 8, heat generated by the cable is guided into the heat dissipation sleeve 3 through the heat conduction silicone grease in the through groove 8, thereby avoiding the phenomena of breakdown and burnout caused by overhigh temperature of the cable, the pressure plate 7 is arc-shaped and is arranged closely attached to the heat dissipation sleeve 3, the arc-shaped pressure plate 7, the pressing plate 7 and the heat dissipation bracket 5 form a containing cavity 9 for placing the cable 11, the cable 11 is placed in the containing cavity 9 formed by the pressing plate 7 and the heat dissipation bracket 5, the ventilation effect is good, the heat accumulation of excessive cables 11 accumulated in the same space can be prevented, the problems that the internal heat dissipation effect of the cable 11 is poor and the heat cannot be dissipated are solved, the potential safety hazard caused by overhigh internal temperature of the cable 11 is avoided, a through hole is arranged at the middle position of the heat dissipation bracket 5, the heat dissipation rod 10 is detachably arranged in the through hole, the heat dissipation rod 10 after long-time use can be pulled out from the heat dissipation bracket 5 for replacement, the heat dissipation bracket 5 consists of a longitudinal fixing block 501 and a transverse fixing block 502, the longitudinal fixing block 501 and the transverse fixing block 502 are vertically arranged, the insides of the longitudinal fixing block 501 and the transverse fixing block 502 are both in a mesh structure, and the vertical arrangement, reach good radiating effect, mesh structure can improve the ventilation effect of heat dissipation support 5 simultaneously, the cable surface respectively with clamp plate 7 and 5 internal surface contact of heat dissipation support, can increase heat radiating area, the heat that the cable produced directly transmits to on clamp plate 7 and the heat dissipation support 5, the efficiency of heat dissipation is improved, 6 symmetric distribution of incision are in the both ends side of vertical fixed block 501 and horizontal fixed block 502, the clamp plate 7 both ends are fixed respectively on the incision 6 of vertical fixed block 501 and horizontal fixed block 502, can improve the holistic stability of heat dissipation support.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A power cable, characterized by: including the protective sheath, protective sheath internal surface parcel has the heat dissipation cover of taking the heat dissipation cavity, still be equipped with fire-retardant layer between protective sheath and the heat dissipation cover, place the heat dissipation support in the heat dissipation cover, and be equipped with the incision on the heat dissipation support to install the clamp plate through the incision, the clamp plate forms the chamber that holds that can place the cable with the heat dissipation support, the positive intermediate position of heat dissipation support is equipped with the through-hole, the dismantlement is installed in the through-hole has the heat dissipation stick.

2. a power cable according to claim 1, characterized in that: the heat dissipation support comprises vertical fixed block and horizontal fixed block, and mutually perpendicular installation between vertical fixed block and the horizontal fixed block, vertical fixed block and horizontal fixed block are inside all to be the mesh structure.

3. A power cable according to claim 1, characterized in that: the clamp plate side is equipped with logical groove, and leads to the inslot and pack and be filled with heat conduction silicone grease.

4. A power cable according to claim 1, characterized in that: the pressing plate is arc-shaped and is tightly attached to the heat dissipation sleeve.

5. A power cable according to claim 1, characterized in that: the outer surface of the cable is respectively contacted with the pressure plate and the inner surface of the heat dissipation bracket.

6. A power cable according to claim 1, characterized in that: the notches are symmetrically distributed on the side surfaces of two ends of the longitudinal fixing block and the transverse fixing block.