CN217306176U

CN217306176U - High-temperature-resistant power cable

Info

Publication number: CN217306176U
Application number: CN202123436981.9U
Authority: CN
Inventors: 于韬; 季毓钦; 孙少倩
Original assignee: Yantai Yongda Electrical Equipment Co ltd
Current assignee: Yantai Yongda Electrical Equipment Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-08-26
Anticipated expiration: 2031-12-30

Abstract

The utility model relates to the technical field of power cables, in particular to a high-temperature-resistant power cable, which improves the heat dissipation rate of a wire core and the heat resistance of the whole device; including the multiunit sinle silk, multiunit protection component, multiunit arc conducting strip, the heat pipe, inflation rubber, the multiunit conducting rod, outer radiating ring piece, multiunit spring and interior radiating ring piece, multiunit protection component cladding respectively is on the lateral wall of multiunit sinle silk, and multiunit arc conducting strip uses two sets of units to fix respectively at the outside end of protection component, and a set of arc conducting strip on every protection component of group all is connected with the heat pipe, inflation rubber suit is inside the heat pipe, and multiunit conducting rod evenly fixes on inflation rubber, the other end of conducting rod passes heat pipe and interior radiating ring piece and is connected with the medial extremity of outer radiating ring piece, be provided with the multiunit louvre on the outer radiating ring piece.

Description

High-temperature-resistant power cable

Technical Field

The utility model relates to a power cable's technical field especially relates to a high temperature resistant power cable.

Background

The power cable is generally a cable similar to a rope and formed by twisting a plurality of or a plurality of groups of leads (at least two leads in each group), each group of leads are mutually insulated and usually twisted around the same center, the whole outer surface of the cable is wrapped with a high-insulation covering layer, the cable has the characteristics of internal electrification and external insulation, the cable can be divided into a direct current cable and an alternating current cable according to a system of a photovoltaic power station, the conventional power cable has poor high temperature resistance, the cable can generate a large amount of heat during the long-distance transmission of the cable in the external high-temperature environment, the high-temperature burnout phenomenon can be easily generated, the power cable is short-circuited, the danger coefficient is large, in the patent document with the publication number of CN212907215U, the high-temperature resistant power cable is provided, the high-temperature resistance performance is good, the inside of the cable can realize the high temperature of 500 ℃ under the lapping effect of a mica tape, even if the power cable is burnt out, the high-purity anaerobic copper wire is in an insulating state, so that the short circuit phenomenon is prevented, but the high-purity anaerobic copper wire inside the power cable can be only ensured to be in an insulating state when the power cable is burnt at a high temperature, the heat of the power cable is difficult to be dissipated radically and rapidly, and the heat dissipation rate and the heat dissipation effect are poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an improve the rate of heat dissipation of sinle silk, improved its whole heat resistance's high temperature resistant power cable.

The utility model discloses a high temperature resistant power cable, including multiunit sinle silk, multiunit protection component, multiunit arc conducting strip, the heat pipe, the expansion rubber, multiunit heat conduction pole, outer heat dissipation ring piece, multiunit spring and interior heat dissipation ring piece, multiunit protection component coats respectively on the lateral wall of multiunit sinle silk, and multiunit arc conducting strip fixes respectively at the outside end of protection component with two sets as the unit, and a set of arc conducting strip on each group protection component all is connected with the heat pipe, the expansion rubber suit is inside the heat pipe, and multiunit heat conduction pole evenly fixes on the expansion rubber, the other end of heat conduction pole passes heat pipe and interior heat dissipation ring piece and is connected with the medial extremity of outer heat dissipation ring piece, be provided with multiunit louvre on the outer heat dissipation ring piece, and multiunit spring evenly fixes the medial extremity of outer heat dissipation ring piece, the other end of spring is connected with the outside end of interior heat dissipation ring piece, the other group of arc-shaped heat conducting fins on the plurality of groups of protection assemblies are connected with the inner side end of the inner heat radiating ring fin; the heat that sends when the sinle silk uses transmits the heat pipe through the arc conducting strip, the inflation rubber in the heat pipe is heated the inflation, make inflation rubber drive the conducting rod and move to the outside, this moment under the cooperation of conducting rod and spring is used, make the clearance between interior radiating ring piece and the outer radiating ring piece increase, make the heat of sinle silk transmit interior radiating ring piece through another group of arc conducting strip, and make the heat of sinle silk enter into the clearance between outer radiating ring piece and the interior radiating ring piece fast, and give off from the louvre of outer radiating ring piece, the heat dissipation rate of sinle silk has been improved, the holistic heat resistance of device has been improved.

Preferably, the protection assembly comprises an insulating layer, a shielding layer and a first protection sleeve, the insulating layer is coated on the outer side wall of the wire core, the shielding layer is coated on the outer side wall of the insulating layer, the first protection sleeve is coated on the outer side wall of the shielding layer, and the arc-shaped heat-conducting strip is fixed on the outer side wall of the first protection sleeve; through setting up the insulating layer, improve the insulation reliability of sinle silk, through setting up the shielding layer, reduce the partial discharge of sinle silk, protect the sinle silk through setting up first lag simultaneously, improve the life of device.

Preferably, the heat-radiating fin heat-; the second protective sleeve is supported and fixed through the heat conducting fins, the heat conducting speed of the spring is accelerated, and the high-temperature resistance of the device is further improved.

Preferably, the heat-conducting pipe also comprises a flame-retardant filler, and the flame-retardant filler is filled between the heat-conducting pipe and the inner heat-radiating ring sheet; by arranging the flame-retardant filler, the cable core is timely flame-retardant when being burnt, so that fire accidents are avoided, and the safety and the usability of the device are improved.

Preferably, the spring is made of spring steel; through setting up the spring steel material, improve device's mechanism intensity, improve device's life.

Preferably, the outer side wall of the second protective sleeve is coated with wear-resistant paint; by smearing the wear-resistant paint, the wear resistance of the flame-retardant filler is improved, and the service life of the device is further prolonged.

Compared with the prior art, the beneficial effects of the utility model are that: the heat that sends when the sinle silk uses transmits the heat pipe through the arc conducting strip, the inflation rubber in the heat pipe is heated the inflation, make inflation rubber drive the conducting rod and move to the outside, this moment under the cooperation of conducting rod and spring is used, make the clearance between interior radiating ring piece and the outer radiating ring piece increase, make the heat of sinle silk transmit interior radiating ring piece through another group of arc conducting strip, and make the heat of sinle silk enter into the clearance between outer radiating ring piece and the interior radiating ring piece fast, and give off from the louvre of outer radiating ring piece, the heat dissipation rate of sinle silk has been improved, the holistic heat resistance of device has been improved.

Drawings

FIG. 1 is a front sectional view of the present invention;

FIG. 2 is an enlarged schematic view of the present invention at A in FIG. 1;

FIG. 3 is an enlarged schematic view of the present invention at B in FIG. 1;

in the drawings, the reference numbers: 1. a wire core; 2. an arc-shaped heat conducting fin; 3. a heat conducting pipe; 4. an expanded rubber; 5. a heat conducting rod; 6. an outer heat dissipating ring; 7. a spring; 8. an inner heat dissipating ring; 9. an insulating layer; 10. a shielding layer; 11. a first protective cover; 12. a heat conductive sheet; 13. a second protective cover; 14. a flame retardant filler.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

As shown in fig. 1 to fig. 3, an insulating layer 9 covers an outer sidewall of a core 1, a shielding layer 10 covers an outer sidewall of the insulating layer 9, a first protective sleeve 11 covers an outer sidewall of the shielding layer 10, a plurality of sets of arc-shaped heat conducting fins 2 are fixed on outer sidewalls of the plurality of sets of first protective sleeves 11 respectively in units of two sets, one set of arc-shaped heat conducting fins 2 of each set of first protective sleeve 11 are connected to a heat conducting pipe 3, an expansion rubber 4 is sleeved inside the heat conducting pipe 3, and a plurality of sets of heat conducting rods 5 are uniformly fixed on the expansion rubber 4, the other end of the heat conducting rod 5 passes through the heat conducting pipe 3 and an inner heat dissipating ring fin 8 and is connected to an inner end of the outer heat dissipating ring fin 6, a plurality of sets of heat dissipating holes are arranged on the outer heat dissipating ring fin 6, a plurality of sets of springs 7 are uniformly fixed to an inner end of the outer heat dissipating ring fin 6, the other end of the spring 7 is connected to an outer end of the inner heat dissipating ring fin 8, and another set of arc-shaped heat conducting fins 2 on the first protective sleeve 11 are connected to an inner end of the inner heat dissipating ring fin 8, multiple groups of heat conducting fins 12 are uniformly fixed on the outer side wall of the outer radiating ring piece 6, the multiple groups of heat conducting fins 12 are coated by the second protective sleeve 13, and the flame-retardant filler 14 is filled between the heat conducting pipe 3 and the inner radiating ring piece 8; when the wire core 1 is used, the heat emitted by the wire core 1 is transferred to the heat conducting pipe 3 through the arc-shaped heat conducting sheets 2, the expansion rubber 4 in the heat conducting pipe 3 is expanded by heat, so that the expansion rubber 4 drives the heat conducting rod 5 to move outwards, at the moment, under the matched use of the heat conducting rod 5 and the spring 7, the gap between the inner heat radiating ring sheet 8 and the outer heat radiating ring sheet 6 is enlarged, the heat of the wire core 1 is transferred to the inner heat radiating ring sheet 8 through another group of arc-shaped heat conducting sheets 2, the heat of the wire core 1 can rapidly enter the gap between the outer heat radiating ring sheet 6 and the inner heat radiating ring sheet 8 and is radiated from the heat radiating holes of the outer heat radiating ring sheet 6, the heat radiating rate of the wire core 1 is improved, the integral heat resistance of the device is improved, then, the insulation reliability of the wire core 1 is improved by arranging the insulating layer 9, the local discharge of the wire core 1 is reduced by arranging the shielding layer 10, meanwhile, the wire core 1 is protected by arranging the first protecting cover 11, the service life of the device is prolonged, the second protective sleeve 13 is supported and fixed through the heat conducting sheet 12, the heat conducting speed of the spring 7 is accelerated, the high-temperature resistance of the device is further improved, and the core 1 is timely flame-retardant when burnt through the flame-retardant filler 14, so that fire accidents are prevented from being caused, and the safety of the device is improved.

The installation mode, the connection mode or the arrangement mode of the high-temperature-resistant power cable of the utility model are common mechanical modes, and the high-temperature-resistant power cable can be implemented as long as the beneficial effects can be achieved; the utility model discloses a high temperature resistant power cable's expanded rubber 4 is purchase on the market, this industry technical staff only need according to its subsidiary service instruction install and operate can, and need not the technical staff in this field to pay out creative work.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A high-temperature-resistant power cable is characterized by comprising a plurality of groups of wire cores (1), a plurality of groups of protection assemblies, a plurality of groups of arc-shaped heat conducting fins (2), heat conducting pipes (3), expansion rubber (4), a plurality of groups of heat conducting rods (5), outer heat radiating ring fins (6), a plurality of groups of springs (7) and inner heat radiating ring fins (8), wherein the plurality of groups of protection assemblies are respectively coated on the outer side walls of the plurality of groups of wire cores (1), the plurality of groups of arc-shaped heat conducting fins (2) are respectively fixed on the outer side ends of the protection assemblies in units of two groups, one group of arc-shaped heat conducting fins (2) on each group of protection assembly are connected with the heat conducting pipes (3), the expansion rubber (4) is sleeved inside the heat conducting pipes (3), the plurality of groups of heat conducting rods (5) are uniformly fixed on the expansion rubber (4), and the other ends of the heat conducting rods (5) penetrate through the heat conducting pipes (3) and the inner heat radiating ring fins (8) and are connected with the inner side ends of the outer heat radiating ring fins (6), a plurality of groups of heat dissipation holes are formed in the outer heat dissipation ring piece (6), a plurality of groups of springs (7) are uniformly fixed at the inner side end of the outer heat dissipation ring piece (6), the other ends of the springs (7) are connected with the outer side end of the inner heat dissipation ring piece (8), and the other group of arc-shaped heat conduction pieces (2) on the plurality of groups of protection assemblies are connected with the inner side end of the inner heat dissipation ring piece (8).

2. A high temperature resistant power cable according to claim 1, wherein the protective assembly comprises an insulating layer (9), a shielding layer (10) and a first protective sleeve (11), the insulating layer (9) is coated on the outer side wall of the core (1), the shielding layer (10) is coated on the outer side wall of the insulating layer (9), and the first protective sleeve (11) is coated on the outer side wall of the shielding layer (10), the arc-shaped heat conducting fin (2) is fixed on the outer side wall of the first protective sleeve (11).

3. A high-temperature resistant power cable according to claim 1, further comprising a plurality of sets of heat-conducting fins (12) and a second protective sleeve (13), wherein the plurality of sets of heat-conducting fins (12) are uniformly fixed on the outer side wall of the outer heat-dissipating ring sheet (6), and the second protective sleeve (13) covers the plurality of sets of heat-conducting fins (12).

4. A high-temperature resistant power cable according to claim 1, further comprising a flame-retardant filler (14), wherein the flame-retardant filler (14) is filled between the heat conductive pipe (3) and the inner heat dissipating ring (8).

5. A high temperature resistant power cable according to claim 1, characterized in that the spring (7) is made of spring steel.

6. A high temperature resistant power cable according to claim 1, characterized in that the outer side wall of the second protective sheath (13) is coated with a wear resistant coating.