CN207319734U - A kind of copper core high voltage power cable - Google Patents

Abstract

It the utility model is related to a kind of copper core high voltage power cable, including cable body and it is socketed in the end cap at cable body both ends, cable body includes surrounding layer and core-wire layer, the shielded layer of heat-conducting layer, armor, tack coat and aluminium foil material that the insulation surrounding layer, graphene and heat conduction bonding agent composition that surrounding layer includes crosslinked polyethylene material successively from outside to inside are formed, core-wire layer is made of more copper cores, and the outer surface of copper core is surrounded with inner insulating layer；End cap includes the sheath body being socketed on insulation surrounding layer, and the end set of sheath body is useful for wearing the casing of copper core；The utility model has the advantages that safe, good heat conductivity, shield effectiveness are good, easy to use.

Description

A kind of copper core high voltage power cable

Technical field

The utility model belongs to field of cable technology, and in particular to a kind of copper core high voltage power cable.

Background technology

Copper core high voltage power cable is common cable in power transportation, in order to improve the transfer efficiency of electric power, in recent years Power Transmission is carried out using multicore cable more, while in order to ensure the security during power Transmission, the protection as cable Layer is made of the protective layer of difference in functionality.When being attached to power cable, it is necessary to be cut out to power cable so that electricity Power cable exposes copper core, and for multicore cable, more copper cores expose power cable, if mishandling during line It is easy to so that exposed copper core contacts with each other, the connection between difference root cable in time can do corresponding safeguard procedures, but It is once safeguard procedures are not in place, is also easy to that short circuit occurs, causes to produce irreversible loss in electric power transportational process；And And copper core can produce heat when transmitting electric power, if not using effective measures by heat derives, it is easy to so that heat Amount accumulation, over time, heat build-up cross multiple-twin cable and are easy to produce damage, it is difficult to ensure that the safety of power cable Property；Copper core easily produces electromagnetic field during transmitting electric power, the shadow to the equipment generation electromagnetic radiation around power cable Ring the performance of equipment.

Utility model content

A kind of safe, good heat conductivity, screen are provided the purpose of the utility model is to overcome the deficiencies in the prior art Cover that effect is good, copper core high voltage power cable easy to use.

The technical solution of the utility model is as follows：

A kind of copper core high voltage power cable, including cable body and the end cap for being socketed in cable body both ends, the electricity Cable body includes surrounding layer and core-wire layer, and the surrounding layer includes insulation surrounding layer, heat-conducting layer, armouring successively from outside to inside Layer, tack coat and shielded layer, the core-wire layer are made of more copper cores, and the outer surface of the copper core is surrounded with interior insulation Layer；The end cap includes the sheath body being socketed on insulation surrounding layer, and the end set of the sheath body is useful for wearing copper core Casing.

Further, it is filled with polypropylene filled layer between more copper cores in the core-wire layer.

Further, the insulation surrounding layer is crosslinked polyethylene material.

Further, the heat-conducting layer binds agent composition for graphene and heat conduction.

Further, the shielded layer is aluminium foil material.

Further, the cross section of the more copper cores is circle, and the internal diameter of described sleeve pipe is outer not less than copper core Footpath.

Further, the cross section of the more copper cores is irregular shape, and described sleeve pipe is adapted with copper core.

Further, the thickness of described sleeve pipe and the thickness of inner insulating layer are identical, and multiple casings are separated from the end of sheath body Formula is set.

Further, after the cable body is cut out according to actual needs length, the sheath body is bonded in insulation surrounding layer On outer surface.

Compared with prior art, the beneficial effects of the utility model are：

1st, the utility model is effectively protected using outermost layer of the insulation surrounding layer of crosslinked polyethylene material as cable body The insulating properties and corrosion resistance of cable body are demonstrate,proved, the service life of high voltage power cable is effectively ensured；

2nd, the utility model is arranged on inside insulation surrounding layer with the heat-conducting layer that graphene and heat conduction binder mix, The heat derives that effectively copper core of high voltage power cable is produced, the heat build-up for avoiding copper core from producing, to cable body Have an impact；

3rd, the utility model bonds end cap at the cable body both ends cut out as needed, and the sheath body of end cap is bonded in Insulate on surrounding layer, casing is socketed on copper core, so as to effectively avoid after puncturing surrounding layer, copper core is produced in connecting part Raw short circuit, is effectively ensured the security of high voltage power cable；And sheath body need to be only bonded on insulation surrounding layer, will not increased Extra big load operation when power cable connects；

4th, the utility model uses aluminium foil material as shielded layer, when effectively avoiding the laying of power cable bunchy, due to electricity Magnetic effect and interact, and effectively avoid electromagnetic field from having an impact the equipment near high voltage power cable；

In short, the utility model has the advantages that safe, good heat conductivity, shield effectiveness are good, easy to use.

Brief description of the drawings

Fig. 1 is the front view of the utility model.

Fig. 2 is the cable body cross-sectional view of embodiment 1.

Fig. 3 is the end cap side view of embodiment 1.

Fig. 4 is the A-A profiles of Fig. 3.

Fig. 5 is the cable body cross-sectional view of embodiment 2.

Fig. 6 is the end cap side view of embodiment 2.

Fig. 7 is the B-B profiles of Fig. 6.

Wherein, 1, cable body, 101, insulation surrounding layer, 102, heat-conducting layer, 103, armor, 104, tack coat, 105, Shielded layer, 2, end cap, 201, sheath body, 202, casing, 3, copper core, 4, inner insulating layer, 5, polypropylene filled layer.

Embodiment

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work All other embodiments obtained, shall fall within the protection scope of the present invention.

Embodiment 1

As shown in Figures 1 to 4, a kind of copper core high voltage power cable, including cable body 1 and it is socketed in 1 liang of cable body The end cap 2 at end, the cable body 1 include surrounding layer and core-wire layer, and the surrounding layer includes being used to protect from outside to inside successively Protect cable body 1 insulation surrounding layer 101, for the heat that produces core-wire layer quickly derived heat-conducting layer 102, effectively improve Cable body tension, the armor 103 for preventing damaged by rats, tack coat 104 and for shield core-wire layer generation electromagnetic field screen Layer 105 is covered, tack coat 104 is effectively bonded armor 103 and shielded layer 105, and the core-wire layer is equal by more cross sections Formed for circular copper core 3, the outer surface of the copper core 3 is surrounded with inner insulating layer 4, and inner insulating layer 4 further improves copper The insulating properties of cored wire, copper core is effectively ensured connects electric security；The end cap 2 includes being socketed on insulation surrounding layer 101 Sheath body 201, the end set of the sheath body 201 are useful for wearing the casing 202 of copper core 3.

In the present embodiment, polypropylene filled layer 5 is filled between more copper cores 3 in the core-wire layer；The insulation Surrounding layer 101 is crosslinked polyethylene material；The heat-conducting layer 102 binds agent composition for graphene and heat conduction；The shielded layer 105 be aluminium foil material；The internal diameter of described sleeve pipe 202 is not less than the outside diameter of copper core 3；The thickness and interior insulation of described sleeve pipe 202 The thickness of layer 4 is identical, and multiple casings 202 are set from the end separate type of sheath body 201；The cable body 1 is according to actual need After wanting length to cut out, the sheath body 201 is bonded on the outer surface of insulation surrounding layer 101.

Embodiment 2

As shown in Fig. 1 and Fig. 5-7, a kind of copper core high voltage power cable, including cable body 1 and it is socketed in cable body The end cap 2 at 1 both ends, the cable body 1 include surrounding layer and core-wire layer, and the surrounding layer includes being used for from outside to inside successively Protect cable body 1 insulation surrounding layer 101, for the heat that produces core-wire layer quickly derived heat-conducting layer 102, effectively carry High cable body tension, the armor 103 that prevents damaged by rats, tack coat 104 and the electromagnetic field for shielding core-wire layer generation Shielded layer 105, tack coat 104 are effectively bonded armor 103 and shielded layer 105, and the core-wire layer is by more cross sections Do not formed for the copper core 3 of irregular shape, the outer surface of the copper core 3 is surrounded with inner insulating layer 4, inner insulating layer 4 into one Step improves the insulating properties of copper core, and copper core is effectively ensured connects electric security；The end cap 2 includes being socketed in insulation surrounding layer Sheath body 201 on 101, the end set of the sheath body 201 are useful for wearing the casing 202 of copper core 3.

In the present embodiment, polypropylene filled layer 5, reclaimed polypropylene are filled between more copper cores 3 in the core-wire layer Fill layer 5 further to be isolated more copper cores 3, while core-wire layer is filled, high voltage power cable is effectively ensured Roundness；The insulation surrounding layer 101 is crosslinked polyethylene material；The heat-conducting layer 102 mixes for graphene with heat conduction binder Compound；The shielded layer 105 is aluminium foil material；Described sleeve pipe 202 is adapted with copper core 3, and copper core 3 is socketed in casing 202 After interior, the copper core 3 and the copper core 3 of another power cable that protrude casing 202 are attached, and effectively avoid same root electric power electricity The copper core 3 of cable contacts with each other and short-circuit；The thickness of described sleeve pipe 202 is identical with the thickness of inner insulating layer 4, and multiple casings 202 are set from the end separate type of sheath body 201, and the activity of effective every copper core 3 is described easy to the wiring to copper core 3 After cable body 1 is cut out according to actual needs length, the sheath body 201 is bonded on the outer surface of insulation surrounding layer 101, so that So that end cap and cable body are an entirety.

Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art Say, it can still modify the technical solution described in foregoing embodiments, or to which part technical characteristic into Row equivalent substitution, it is all in the spirit and principles of the utility model to interior, any modification, equivalent replacement, improvement and so on, should all Included in the scope of protection of the utility model to interior.

Claims (9)

1. a kind of copper core high voltage power cable, including cable body（1）And it is socketed in cable body（1）The end cap at both ends（2）, It is characterized in that：The cable body（1）Including surrounding layer and core-wire layer, the surrounding layer includes insulation successively from outside to inside Surrounding layer（101）, heat-conducting layer（102）, armor（103）, tack coat（104）And shielded layer（105）, the core-wire layer is by more Root copper core (3) forms, the copper core（3）Outer surface be surrounded with inner insulating layer（4）；The end cap（2）Including being socketed in Insulate surrounding layer（101）On sheath body（201）, the sheath body（201）End set be useful for wearing copper core（3）Casing （202）.

2. copper core high voltage power cable according to claim 1, it is characterised in that：More copper cores in the core-wire layer （3）Between be filled with polypropylene filled layer（5）.

3. copper core high voltage power cable according to claim 1, it is characterised in that：The insulation surrounding layer（101）To hand over Join polyethylene material.

4. copper core high voltage power cable according to claim 1, it is characterised in that：The heat-conducting layer（102）For graphene Agent composition is binded with heat conduction.

5. copper core high voltage power cable according to claim 1, it is characterised in that：The shielded layer（105）For aluminium foil Matter.

6. copper core high voltage power cable according to claim 1, it is characterised in that：The more copper cores（3）It is transversal Face is circle, described sleeve pipe（202）Internal diameter be not less than copper core（3）Outside diameter.

7. copper core high voltage power cable according to claim 1, it is characterised in that：The more copper cores（3）It is transversal Face is irregular shape, described sleeve pipe（202）With copper core（3）It is adapted.

8. the copper core high voltage power cable according to claim 6 or 7, it is characterised in that：Described sleeve pipe（202）Thickness with Inner insulating layer（4）Thickness it is identical, and multiple casings（202）From sheath body（201）End separate type set.

9. copper core high voltage power cable according to claim 1, it is characterised in that：The cable body（1）According to reality After needing length to cut out, the sheath body（201）It is bonded in insulation surrounding layer（101）Outer surface on.