CN205943566U - Novel drag optical cable - Google Patents

Abstract

The utility model discloses a novel drag optical cable, including wrap -around cable core, isolation layer and armor in proper order from inside to outside, the cable core includes circular core, two power cords and optic fibre filled out, the power cord is different with the diameter of optic fibre, the circular core of filling out is equipped with two and is used for imbedding the power cord and is used for imbedding optic fibre and the convex optic fibre recess corresponding with the fiber diameter with the corresponding convex power cord recess of power cord diameter and one, the power cord is fixed through pricking the yarn with optic fibre. This novel drag optical cable cable core stable in structure.

Description

A kind of Novel slippers tracer cable

Technical field

This utility model is related to optical cable technical field and in particular to a kind of Novel slippers tracer cable.

Background technology

Optical cable is organically to combine optical cable and cable, goes the same way, with move towards transmission electric energy and optical information simultaneously Integrated transmission medium.Although an optical cable industry simply supporting industry, in occupation of the output value of Chinese electrician trade 1/4. Its product category is numerous, and range of application is quite varied, is related to the industries such as electric power, building, communication, manufacture, with national economy Each department is all closely related.Optical cable is also known as " tremulous pulse " and " neural " of national economy, is the basis of intelligent grid, it Transmission for the data acquisition of intelligent grid, protection and control, user and electrical network interactive information and the information of intelligent decision making Interaction provides powerful passage, its perfect in shape and function and be efficiently that other communication modes are unrivaled.

Towing optical cable, is used for the occasion that unit needs move back and forth.It generally comprises cable core, isolated screen, shield Jacket layer and armor.Cable core is formed by multiple conducting wires are stranded.Wire is used for carrying out electric current or electromagnetic wave information transfer function, wire Generally comprise power line and optical fiber.The outside of wire is coated with the insulating barrier for electric insulation.Isolated screen, is coated on cable core Outside, for the electromagnetic field in cable product is isolated with extraneous electromagnetic field, also referred to as isolated screen.Restrictive coating, cladding In the outside of screen layer and for integrally shielding to product.Armor, is coated on the outside of restrictive coating, also referred to as tension Protective layer, it typically adopts metal material layer.Understood according to analysis, because the quantity of wire and the diameter of multiple conducting wires are different The stranded structural instability of multiple conducting wires can be led to, cable core structure is unstable.

Chinese invention patent《Cable》(publication number：104733128A；Publication date：On June 24th, 2015) in provide one Plant cable, this cable includes cable core 1, sealing coat 2 and the oversheath 3 coating successively from inside to outside；Described cable core 1 includes mutually twisting Close shielding line unit 111, covered wire unit 12, ground wire 13, wherein, described shielding line unit 11 include two mutually stranded Power line 111 and inner shield set 112, described power line 111 is located in described inner shield set 112；Described covered wire unit 12 wraps Include two mutually stranded power lines 111.This construction of cable is as shown in figure 1, two mutually stranded power lines 111 in this cable The structural instability being constituted.

Chinese invention patent《A kind of high abrasion composite jacket waterproof trailing cable》(publication number：105575516A；Open Day：On May 11st, 2016) in provide a kind of high abrasion composite jacket waterproof trailing cable, this cable include cable core 1, isolation Layer 2 and composite jacket layer.Cable core 1 includes the power line 111 positioned at middle part, is coated with insulating barrier outside this power line, isolation Layer 2 is coated on outside cable core 1, and sealing coat 2 forms using waterproofing membrane is wrapped, and composite jacket layer is coated on outside sealing coat 2, multiple Close restrictive coating and include inner sheath 5, armor 4, oversheath 3, armor 4 is coated on outside inner sheath 5, and armor 4 adopts steel wire Braiding forms, and oversheath 3 is extruded in outside armor 4.This construction of cable is as shown in Figure 2.It follows that

Armor 4 tensile strength described in this trailing cable little and heavier it is impossible under conditions of high hovering system weight Use.

Generally speaking, existing towing optical cable tensile strength is little and its cable core structure is unstable.

Utility model content

This utility model makes improvements for existing technical problem, and that is, technical problem to be solved in the utility model is There is provided a kind of Novel slippers tracer cable, its included cable core structure is stable.For solving the above problems, this utility model provides Technical scheme is：

A kind of Novel slippers tracer cable, wherein, including the cable core coating successively from inside to outside, sealing coat and armor, institute State cable core and include circle and fill out core, two power lines and an optical fiber, described power line is different from the diameter of optical fiber, and described circle is filled out Core is provided with two for embedding power line and the circular arc power supply line groove corresponding with power supply linear diameter and one are used for embedding Optical fiber and the circular arc fiber grooves corresponding with fibre diameter, described power line and optical fiber are fixed by pricking yarn.

Further, described circle fills out core is multiple and equidistantly arrange along cable core length direction, and this circle fills out the length of core For optical cable diameter 2 to 10 times.

Further, it is coated with resistance to irradiation coating outside described armor.

Further, the material of described resistance to irradiation coating is polyether-ether-ketone.

Further, described armor is Kafra fiber braiding layer, the structure of this layer be Kafra fiber ectonexine SZ to Lay configuration.

Further, described insolated layer materials are low-density polyethylene material, and structure extrudes structure for pressure type.

In technique scheme, core is filled out by the circle being provided with circular arc power supply line groove and circular arc fiber grooves Ensure that cable core structure is stable.On this basis, circle is filled out core and is had multiple and equidistantly arrange along cable core length direction, reduces flatulence of heat type The impact to cable core structure for the shrinkage.In addition power line and optical fiber are fixed by pricking yarn.Further increase the Stability Analysis of Structures of cable core Property.On the premise of cable core structure is stable, resistance to height of the present utility model is increased for the resistance to irradiation coating of polyether-ether-ketone by material Irradiation ability, the resistance to high irradiation ability of polyether-ether-ketone is very strong, has exceeded the best polystyrene of radioresistance in resins for universal use, with When also there is good electrical insulating property, resistance to water, high temperature resistant, acid and alkali-resistance and wearability etc..In the premise that cable core structure is stable Under, this utility model increases resistance to tension by Kafra fiber braiding layer.Kafra fiber, its English name is KEVLAR. With respect to traditional steel wire braid, up to 5-6 times of steel wire, its weight is the 1/5 of steel wire for the tensile strength of Kafra fiber Times.As can be seen here, better using Kafra fiber braiding layer.On the premise of cable core structure is stable, this utility model The material of included sealing coat is low-density polyethylene material, and this material has intensity height, good toughness, rigid strong, good The advantages of resisting environmental stress and cracking and good tear-resistant intensity, and can acid and alkali resistance, organic solvent etc..

This utility model has the advantage that：

1. the cable core structure included by this utility model is stable.Core is filled out by circle and realizes cable core structure stably, in this base On plinth, by circle is filled out with the further optimal design-aside of core, reduce the impact to cable core structure for the temperature change.

2. this utility model has radiotolerant function, is realized by resistance to irradiation coating.

3. the material of resistance to irradiation coating described in the utility model, its resistance to high irradiation ability is very strong, has exceeded in resins for universal use The best polystyrene of radioresistance.

4. armor described in the utility model is Kafra fiber braiding layer, and its advantage is that tensile strength is big, and weight is little.

5. insolated layer materials described in the utility model, have intensity height, good toughness, rigidly strong, good resistance to environment should The advantages of power cracking and good tear-resistant intensity, and can acid and alkali resistance, organic solvent etc..

Brief description

Fig. 1 is the structural representation of the first prior art.

Fig. 2 is the structural representation of second prior art.

Fig. 3 is structural representation of the present utility model.

Specific embodiment

With reference to embodiment and accompanying drawing, this utility model is described further.

As shown in figure 3, specific embodiment of the present utility model, a kind of Novel slippers tracer cable, wrap successively from inside to outside Cable core 1, sealing coat 2, armor 4 and the resistance to irradiation coating 6 covered.The material of resistance to irradiation coating 6 is preferably polyether-ether-ketone.

Described cable core bag 1 includes circle and fills out 115, two power lines 111 of core and an optical fiber 114.Power line 111 and optical fiber 114 diameter is different.Circle fill out core 115 be provided with embedded power line 111 and with power line 111 diameter identical circular arc power line Groove and embedded optical fiber 114 and with optical fiber 114 diameter identical circular arc fiber grooves；Circle fill out core 115 have multiple and along cable Core 1 length direction equidistantly arranges.Fixed by pricking yarn between power line 111 and optical fiber 114, prevent loose.

Described armor 4 is Kafra fiber braiding layer, and the structure of this layer is Kafra fiber ectonexine SZ to stranded knot Structure.

Described sealing coat 2 material is low-density polyethylene material, and structure extrudes structure for pressure type.

The feature of present embodiment：

1. present embodiment is filled out core 115 by the circle being provided with circular arc power supply line groove and circular arc fiber grooves and is protected Card cable core 1 Stability Analysis of Structures.In addition, circle fills out the structure of core 115 simply it is easy to manufacture.

2. the circle described in present embodiment is filled out core 115 and is had multiple and equidistantly arrange along cable core 1 length direction, is subtracted with this The impact to cable core 1 structure for the little temperature change.

3. present embodiment realizes radiotolerant function, polyether-ether-ketone by the resistance to irradiation coating 6 that material is polyether-ether-ketone Resistance to high irradiation ability very strong, exceeded the best polystyrene of radioresistance in resins for universal use, in addition, polyether-ether-ketone also has The advantages of good electrical insulating property, resistance to water, high temperature resistant, acid and alkali-resistance and wearability.

4. the armor 4 described in present embodiment is Kafra fiber braiding layer, and its advantage is that tensile strength is big, weight Little.Up to 5-6 times of steel wire, its weight is 1/5 times of steel wire to the tensile strength of Kafra fiber.

5. sealing coat 2 material described in present embodiment is low-density polyethylene material, has intensity height, good toughness, firm The advantages of strong, good resisting environmental stress and cracking of property and good tear-resistant intensity, and can acid and alkali resistance, organic solvent etc..

Above-described embodiment is only used for principle of the present utility model is described, is not limited to scope of the present utility model.To this Utility model can also make other changes, can require to change the quantity of power line and optical fiber according to specific；These become Change still to fall in protection domain of the present utility model.

Claims (6)

1. a kind of Novel slippers tracer cable it is characterised in that include coat successively from inside to outside cable core (1), sealing coat (2) and Armor (4), described cable core (1) includes circle and fills out core (115), two power lines (111) and an optical fiber (114), described electricity Source line (111) is different from the diameter of optical fiber (114), described circle fill out core (115) be provided with two be used for embedding power line (111) and The circular arc power supply line groove corresponding with power line (111) diameter and one be used for embedding optical fiber (114) and with optical fiber (114) The corresponding circular arc fiber grooves of diameter, described power line (111) and optical fiber (114) are fixed by pricking yarn.

2. Novel slippers tracer cable as claimed in claim 1 is it is characterised in that it is multiple and edge that described circle fills out core (115) Cable core (1) length direction equidistantly arranges, and the length that this circle fills out core (115) is 2 to 10 times of optical cable diameter.

3. the Novel slippers tracer cable as any one of claim 1 to 2 is it is characterised in that described armor (4) is outside It is coated with resistance to irradiation coating (6).

4. Novel slippers tracer cable as claimed in claim 3 is it is characterised in that the material of described resistance to irradiation coating (6) is poly- Ether ether ketone.

5. the Novel slippers tracer cable as any one of claim 1 to 2 is it is characterised in that described armor (4) is triumphant Husband draws fiber braiding layer, and the structure of this layer is Kafra fiber ectonexine SZ to lay configuration.

6. the Novel slippers tracer cable as any one of claim 1 to 2 is it is characterised in that described sealing coat (2) material For low-density polyethylene material, structure is pressure type extrusion structure.