CN204760120U

CN204760120U - Power cable

Info

Publication number: CN204760120U
Application number: CN201520574774.5U
Authority: CN
Inventors: 邵素英
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-08-03
Filing date: 2015-08-03
Publication date: 2015-11-11
Anticipated expiration: 2025-08-03

Abstract

The utility model discloses a power cable, including a plurality of insulation core of group, insulation core comprises conductor and insulating layer, locates to be equipped with the metallic cable a plurality of groups insulation core besieged city circle central, the peripheral crowded package of metallic cable has the rubber protective layer, be equipped with the gasket for packing between insulation core and the rubber protective layer, the cladding is sticis and is had band layer and steel wire to weave the armor in proper order outside insulation core, and the cladding has the heat -conducting layer outside the armor is woven to the steel wire, and heat -conducting layer crowded package outward has insulating silica gel heat -conducting layer, insulating silica gel heat -conducting layer outside a plurality of heat dissipation areas of parcel, and the heat dissipation area is the spiral helicine back and is equipped with a plurality of ribs, and the heat dissipation is taken and is equipped with 9-15 angle of release between 3. The utility model discloses a set up heat -conducting layer and heat dissipation and take during the timely heat that produces the cable gives off the air, prolonged the life of cable greatly, provide good guarantee to the cable safety under the condition in the higher environment of temperature.

Description

A kind of power cable

Technical field

The utility model relates to electric wire field, is specially a kind of power cable.

Background technology

Mobilely in prior art use rubber flexible cable, as YR, such cable is when moving horizontally occasion and using, and often easily break core, can not bear pulling force, more inapplicablely uses under vertical environmental condition; Conductor maximum operating temperature is only 60 DEG C, and when then cannot working higher than cable when 60 DEG C, its main cause is the problem that the construction of cable exists that thermal diffusivity and safety of structure far can not meet environment for use demand, urgently improves.

Utility model content

The purpose of this utility model is to provide a kind of power cable, to solve the problem proposed in above-mentioned background technology.

For achieving the above object, the utility model provides following technical scheme:

A kind of power cable, comprise some groups of insulated wire cores, voluble wrapping layer is provided with in periphery after insulated wire cores is stranded in pairs, described insulated wire cores spacing is evenly distributed in same circumferentially concentrically ringed, insulated wire cores is made up of conductor and insulating barrier, described insulated wire cores adopts unit equation to arrange stranded mode, conductor, insulated wire cores all adopts identical dextrad direction of lay, metallic cable is provided with in the center of some groups of insulated wire cores besieged city circles, the periphery of described metallic cable is extruded with rubber protective layer, gasket for packing is provided with between described insulated wire cores and rubber protective layer, coatedly successively be pressed with belting layer and steel wire woven armored layer insulated wire cores is outer, heat-conducting layer is coated with at steel wire woven armored layer, insulation silica gel heat-conducting layer is extruded with outside heat-conducting layer, some heat-radiation belts are wrapped up outside insulation silica gel heat-conducting layer, the spiral back side of heat-radiation belt is provided with some ribs, the angle of release of 9 ° ~ 15 ° is provided with between heat-radiation belt.

As the utility model further technical scheme, the twisting pitch ratio of described insulated wire cores is 12 times, and the twisting pitch ratio of described conductor is 15 times.

Compared with prior art, the utility model structural arrangement is reasonable, and conductor uses tinned copper wire-aldray composite conductor to replace low brass silk, and metallic cable adopts aldray material to make, improve the tensile strength of cable, make cable can bear larger mechanical tensile forces; Insulated wire cores adopts unit equation to arrange stranded mode, described conductor, insulated wire cores all adopt identical dextrad direction of lay, the twisting pitch ratio of described conductor is 15 times, the twisting pitch ratio of described insulated wire cores is 10-12 times, improve cable flexibility, make cable not allow easily broken core, be applicable to various movement requirement occasion frequently; Electric conductivity is excellent, and insulation effect is good, being dispersed in air timely, substantially prolongs the useful life of cable, providing good guarantee for temperature compared with the cable security under the domestic condition of epipodium by arranging heat-conducting layer and heat-radiation belt by the heat that cable produces.

Accompanying drawing explanation

Fig. 1 is the structural representation of a kind of power cable of the utility model.

Embodiment

Be described in more detail below in conjunction with the technical scheme of embodiment to this patent.

Refer to Fig. 1, a kind of power cable, comprise some groups of insulated wire cores 5, voluble wrapping layer is provided with in periphery after insulated wire cores 5 is stranded in pairs, described insulated wire cores 5 spacing is evenly distributed in same circumferentially concentrically ringed, and insulated wire cores 5 is made up of conductor 52 and insulating barrier 51, is provided with metallic cable 10 in the center of some groups of insulated wire cores 5 besieged city circle, the periphery of described metallic cable 10 is extruded with rubber protective layer 9, is provided with gasket for packing 6 between described insulated wire cores 5 and rubber protective layer 9;

Coatedly successively be pressed with belting layer 8 and steel wire woven armored layer 7 insulated wire cores 5 is outer, heat-conducting layer 4 is coated with at steel wire woven armored layer 7, insulation silica gel heat-conducting layer 1 is extruded with outside heat-conducting layer 4, some heat-radiation belts 3 are wrapped up outside insulation silica gel heat-conducting layer 1, the spiral back side of heat-radiation belt 3 is provided with some ribs 2, and rib 2 is equivalent to fin, and the heat diffusion effectively produced by cable is in air, be provided with the angle of release of 9 ° ~ 15 ° between heat-radiation belt 3, increase area of dissipation.

Heat-radiation belt 3 can also be that whole piece is wrapped in outside insulation silica gel heat-conducting layer 1, in order to reduce operation, and can by heat-radiation belt 3 integrally.

Described conductor 52 is made up of tinned copper wire-aldray material; described insulating barrier 51 is ethylene-propylene rubber insulated layer; described voluble wrapping layer is made up of high temperature resistance polyester band; described metallic cable 10 is made up of aldray material; rubber protective layer 9 is made up of haloflex eraser sheath material, and described gasket for packing 6 is made up of high temperature-resistant cable cotton.Described insulated wire cores 5 adopts unit equation to arrange stranded mode, and described conductor 52, insulated wire cores 5 all adopt identical dextrad direction of lay, and the twisting pitch ratio of conductor 52 is 15 times, and the twisting pitch ratio of described insulated wire cores is 12 times.

The utility model structural arrangement is reasonable, and conductor uses tinned copper wire-aldray composite conductor to replace low brass silk, and metallic cable adopts aldray material to make, and improves the tensile strength of cable, makes cable can bear larger mechanical tensile forces; Insulated wire cores adopts unit equation to arrange stranded mode, described conductor, insulated wire cores all adopt identical dextrad direction of lay, the twisting pitch ratio of described conductor is 15 times, the twisting pitch ratio of described insulated wire cores is 10-12 times, improve cable flexibility, make cable not allow easily broken core, be applicable to various movement requirement occasion frequently; Electric conductivity is excellent, and insulation effect is good, being dispersed in air timely, substantially prolongs the useful life of cable, providing good guarantee for temperature compared with the cable security under the domestic condition of epipodium by arranging heat-conducting layer and heat-radiation belt by the heat that cable produces.

Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned execution mode, in the ken that one skilled in the relevant art possesses, various change can also be made under the prerequisite not departing from this patent aim.

Claims

1. a power cable, it is characterized in that, comprise some groups of insulated wire cores, voluble wrapping layer is provided with in periphery after insulated wire cores is stranded in pairs, described insulated wire cores spacing is evenly distributed in same circumferentially concentrically ringed, insulated wire cores is made up of conductor and insulating barrier, described insulated wire cores adopts unit equation to arrange stranded mode, conductor, insulated wire cores all adopts identical dextrad direction of lay, surround round center some groups of insulated wire cores and be provided with metallic cable, the periphery of described metallic cable is extruded with rubber protective layer, gasket for packing is provided with between described insulated wire cores and rubber protective layer, coatedly successively be pressed with belting layer and steel wire woven armored layer insulated wire cores is outer, heat-conducting layer is coated with at steel wire woven armored layer, insulation silica gel heat-conducting layer is extruded with outside heat-conducting layer, some heat-radiation belts are wrapped up outside insulation silica gel heat-conducting layer, the spiral back side of heat-radiation belt is provided with some ribs, the angle of release of 9 ° ~ 15 ° is provided with between heat-radiation belt.

2. a kind of power cable according to claim 1, is characterized in that, the twisting pitch ratio of described insulated wire cores is 12 times, and the twisting pitch ratio of described conductor is 15 times.