CN204991256U

CN204991256U - Little external diameter bank electricity composite cable

Info

Publication number: CN204991256U
Application number: CN201520658170.9U
Authority: CN
Inventors: 徐庭元; 李小琴; 肖颖
Original assignee: Jiangsu Zhongmei Cable Co Ltd
Current assignee: Jiangsu Zhongmei Cable Co Ltd
Priority date: 2015-08-28
Filing date: 2015-08-28
Publication date: 2016-01-20
Anticipated expiration: 2025-08-28

Abstract

The utility model discloses a little external diameter bank electricity composite cable, including a cable core, the cable core form by three power core and the transposition of signal cable cores, directly crowd the chlorosulfonated polyethylene oversheath that package thickness is 0.25 -0.5mm outside the cable core, signal cable cores set up in three each other crowded power core's bosom, signal cable cores by optic fibre, crowded package outside optic fibre the optic fibre insulating layer and weave braiding density outside the optic fibre insulating layer and be 30% kai fula fibrous layer and constitute. The utility model has the advantages of the external diameter is very much little, and signal cable cores life is high, and is stable, light in weight, lays the convenience.

Description

A kind of little external diameter bank electricity composite cable

Technical field

The utility model relates to field of cable technology, particularly relates to a kind of little external diameter bank electricity composite cable.

Background technology

Boats and ships reach port period, stop using the generator on boats and ships, and use land Power supply instead.Shore connection cable is then the medium connecting harbour power supply unit and transmission facility peculiar to vessel, operating mode due to shore connection cable be often unwinding and rewinding around and be suspended on for a long time on sea, therefore need cable to have external diameter is little, lightweight, Stability Analysis of Structures, weatherability are strong feature, along with the raising of marine technology, shore connection cable also needs the transmission carrying out signal simultaneously.

In order to realize above-mentioned requirements, prior art have employed and is provided with saddle bar at the center of cable, and the employing of signal core is copper conductor, extrude inner sheath again after adopting many signal cores stranded and make holding wire cable core, then the saddle bar gap that is placed in of holding wire and electric power core is carried out stranded side by side, thus achieve the dual-use function that shore connection cable has electric power transfer and Signal transmissions.

In prior art, main Problems existing is as follows:

Adopt prior art, 1, external diameter is larger; In order to ensure the stable of the construction of cable, be therefore provided with a saddle bar at center, the membership that adds of saddle bar adds external diameter; In addition outside saddle bar, be provided with holding wire cable core, after stranded, external diameter external diameter compared with non-plus signal cable core of cable obviously increases.

2, weight penalty; The holding wire core conductor of cable is copper conductor, and copper conductor density is large, and heavier-weight, shore connection cable in use needs to use manually to lay, and therefore the cable of heavier-weight is not suitable for installation exercise.

3 signal cores are low for useful life, weak effect; Signal core cross section is little, long-term unwinding and rewinding around process in the easy fracture of wire of cable signal core, impact use.Signal core does not add shielding, and signal core signal in transmitting procedure is easily interfered.

Utility model content

The utility model, in order to solve the problem of prior art, provides a kind of little external diameter bank electricity composite cable, solves that external diameter in prior art is large, signal core poor anti jamming capability, and useful life is low, Heavy Weight, the shortcoming that signal transmission amount is little.

One described in the utility model little external diameter bank electricity composite cable, comprises cable core, it is characterized in that: described cable core is by three power wire core and signal core is stranded forms; The chlorosulfonated polyethylene oversheath that thickness is 0.25-0.5mm is directly extruded outward at cable core; Described signal core is arranged on the bosom of the power wire core that three are squeezed mutually, signal core by optical fiber, be extruded in the optical fiber insulating barrier outside optical fiber and the count be woven in outside optical fiber insulating barrier be 30% Kafra fiber layer form.

Further improvement, described power wire core by power conductor, be extruded in the external power wire core insulating barrier of power guide and the butyl rubber water layer be coated in outside power wire core insulating barrier is formed.

Further improvement, the area of described signal core is 1/10 of the area of power wire core.

Compared with prior art, the utility model beneficial effect is:

1, in the utility model, using optical fiber as signal core, it is strong that optical fiber has anti-electromagnetic interference capability, signal transmission capabilities is large, lightweight advantage, in order to reduce external diameter further, signal core is arranged on cable central authorities, cable inner space can be reduced like this, because optical fiber is at central core, frequent unwinding and rewinding are around easy fracture, therefore, the insulation of one deck optical fiber is extruded in outer fiber, completely cut off the possibility that optical fiber and power wire core rub, because central core is stressed region of concentrating the most, therefore outside optical fiber insulation, one deck Kafra fiber silk has been worked out, this filament weight is 1/5th of steel wire, 5 times of steel during intensity, therefore have lightweight, the advantage that tensile strength is high, in the use procedure of such guarantee cable, impetus concentrates on Kev and pulls on, ensure that the safety of signal core, too increase the tensile strength of cable simultaneously.

2, the power wire core of cable is all coated with one deck butyl glue outward, therefore after extruding sheath, cable power core and oversheath are firmly sticked together, a cable core oversheath is combined together, and the construction of cable is stablized, and the skew of core position can not occur, more be applicable to unwinding and rewinding around use, this mode is from cable core external stability cable core, compares that to have external diameter little with the mode of original employing saddle bar (effect of saddle bar is from the fixing cable core in cable core inside), lightweight advantage.Reduce further the outside diameter of cable and weight, also do not affect the stability of cable.

3, to have external diameter little especially for the utility model, signal core high life, stable, lightweight, lay advantage easily.

Accompanying drawing explanation

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

Embodiment

The little external diameter bank of one as shown in Figure 1 electricity composite cable, comprises cable core, and described cable core is by three power wire core and signal core is stranded forms; The chlorosulfonated polyethylene oversheath 7 that thickness is 0.25-0.5mm is directly extruded outward at cable core; Described signal core is arranged on the bosom of the power wire core that three are squeezed mutually, signal core by optical fiber 1, be extruded in the optical fiber insulating barrier 2 outside optical fiber 1 and the count be woven in outside optical fiber insulating barrier 2 be 30% Kafra fiber layer 3 form.

Described power wire core by power conductor 4, be extruded in the power wire core insulating barrier 5 outside power conductor 4 and the butyl rubber water layer 6 be coated in outside power wire core insulating barrier is formed.

The area of described signal core is 1/10 of the area of power wire core, improves the rounding property of cable.

The utility model embody rule approach is a lot; the above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle; can also make some improvement, these improvement also should be considered as protection range of the present utility model.

Claims

1. a little external diameter bank electricity composite cable, comprises cable core, it is characterized in that: described cable core is by three power wire core and signal core is stranded forms; The chlorosulfonated polyethylene oversheath that thickness is 0.25-0.5mm is directly extruded outward at cable core; Described signal core is arranged on the bosom of the power wire core that three are squeezed mutually, signal core by optical fiber, be extruded in the optical fiber insulating barrier outside optical fiber and the count be woven in outside optical fiber insulating barrier be 30% Kafra fiber layer form.

2. little external diameter bank electricity composite cable according to claim 1, is characterized in that: described power wire core by power conductor, be extruded in the external power wire core insulating barrier of power guide and the butyl rubber water layer be coated in outside power wire core insulating barrier is formed.

3. little external diameter bank electricity composite cable according to claim 1, is characterized in that: the area of described signal core is 1/10 of the area of power wire core.