CN202523439U

CN202523439U - Marine buoyant cable with high current-carrying capacity

Info

Publication number: CN202523439U
Application number: CN2012201514278U
Authority: CN
Inventors: 张蕴皋; 徐智; 刘磊
Original assignee: Wuxi Great Wall Electric Wire & Cable Co Ltd
Current assignee: Wuxi Great Wall Electric Wire & Cable Co Ltd
Priority date: 2012-04-12
Filing date: 2012-04-12
Publication date: 2012-11-07
Anticipated expiration: 2022-04-12

Abstract

The utility model discloses a marine buoyant cable with high current-carrying capacity. A buoyant element is arranged at the center of the cable; a main conductor is stranded outside the buoyant element; an inner sheath is wrapped on the main conductor; an auxiliary conductor layer is arranged outside the inner sheath; and a protective layer is extruded outside the auxiliary conductor layer. The buoyant element adopts a foaming rubber-plastic material and has the following characteristics of small density, light mass, flexibility, convenience in bending, and good processability. The buoyant element is arranged at the center of the cable, so as to solve the problem that the current-carrying capacity of the cable is reduced caused by large overall thermal resistance due to the fact that the buoyant element is located at the outer layer and has large thermal resistance; the technology is easy to implement; the materials are also easy to acquire; and the price is low, thereby saving the manufacturing cost.

Description

A kind of floating marine cable of high current-carrying capacity

Technical field

The utility model belongs to the power cable field, is specifically related to a kind of floating marine cable of high current-carrying capacity.

Background technology

At present, the position of the floating element of floating marine cable in cable is if become the normal cable design to consider; Conductor should be at the center; Though conductor structure is therefore more stable,, certainly will cause overall thermal resistance to become big because the floating element thermal resistance is bigger; Cause current-carrying capacity of cable to reduce, be unfavorable for very much the current delivery of cable.Floating element is that can the decision cable swim in the key element of the water surface, it select the floating functional parameter that not only determines cable for use, and farthest determined the manufacturing process of cable.Floating element is selected special material and hollow metal spare for use always at present, and not only cost is very high, processes also pretty troublesome.

Summary of the invention

The purpose of the utility model provides that a kind of floatability is good, low price, be prone to the floating marine cable of the high current-carrying capacity of processing.

The floating marine cable of the said a kind of high current-carrying capacity of the utility model, the center of cable is provided with floating element, stranded leading body outside floating element, the inner sheath that on leading body, coats, the inner sheath outside is provided with auxilliary conductor layer, and auxilliary conductor layer extrudes protective layer outward.

Said floating element by the floating core chain splicing that is positioned at cable center, be coated on plunger core group around the floating core chain splicing, be arranged on the outer sealant of plunger core group and form.

The beneficial effect of the utility model is:

The utility model is placed on the center of cable with floating element, and floating element is provided with conductor outward, has so just avoided floating element to be positioned at skin, the problem that the current-carrying capacity of cable that causes greatly because of its thermal resistance reduces.Floating element adopts the expansion type rubber-plastics material, and its rubber-plastics material is in normal cable manufacture of materials process, to add blowing agent, makes to occur bubble in the floating element, makes it weight saving, increases its floatability.This processes is easy, and material also is easy to obtain, low price, thus save manufacturing cost.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Embodiment

As shown in Figure 1; The described a kind of floating marine cable with floating structure of the utility model comprises the floating core chain splicing 1 of cable center, coats floating element 2 around it; The floating element 2 outer sealants 3 that are provided with; Leading body 4 is stranded on the sealant 3, on leading body 4, coats inner sheath 5, twines auxilliary conductor layer 6 on the inner sheath 5; Auxilliary conductor layer 6 is made up of several conductors 7 and the insulating barrier 8 that is coated on the conductor 7; The auxilliary conductor layer 6 outer protective layers 9 that extrude.

The utility model provides a kind of version and implementation method of floating marine cable floating element; The above only is the preferred implementation method of the utility model; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; Can also make some improvement, these improve the protection range that also should be regarded as the utility model.

Claims

1. the floating marine cable of a high current-carrying capacity; It is characterized in that: the center of said cable is provided with floating element; Stranded leading body (4) outside floating element; Go up the inner sheath (5) that coats at leading body (4), inner sheath (5) outside is provided with auxilliary conductor layer (6), the outer protective layer (9) that extrudes of auxilliary conductor layer (6).

2. the floating marine cable of high current-carrying capacity according to claim 1 is characterized in that: said floating element by the floating core chain splicing (1) that is positioned at cable center, be coated on every side plunger core group (2) of floating core chain splicing (1), be arranged on the outer sealant (3) of plunger core group (2) and form.