CN209015751U - A kind of weatherproof cable - Google Patents

Abstract

The utility model discloses a kind of weatherproof cables, belong to the technical field of cable and wire, including at least two groups cable unit, filled layer and oversheath, and filled layer is equipped with rubber water-proof belt between cable unit and oversheath between filled layer and oversheath.The utility model has the effect of good anti-aging, weatherability.

Description

A kind of weatherproof cable

Technical field

The utility model relates to the technical fields of cable and wire, more particularly, to a kind of weatherproof cable.

Background technique

With the quickening of the rapid growth of Chinese national economy, especially rural area and Construction of Intercity Network transformation paces and each Ground real estate flourishes, and the electric utility in China is developed rapidly.Match to push for power industry Electrician trade, the especially development of wires and cables industry, the Cultivar development of wire and cable shows diversified trend.Electric wire Cable develops from simple power transmission to multifunction, i.e., has been attached some new spies respectively according to different purposes Property.Such as: flame retardant cable, fire-resisting cable, low smoke and low halogen cable, low smoke, zero halogen cable etc..

In view of the above-mentioned problems, patent announcement number is the Chinese patent of CN201751954U, it is anti-to propose a kind of water blocking Damp power cable, it includes three-core cable and the outer jacket that is wrapped in outside three-core cable, and cable includes conductor and insulating layer, cable Insulating layer to be wrapped with waterstop wrapped, waterproofing rope is filled between three-core cable and outer jacket.The waterproofing rope and outer It is wrapped that waterstop is enclosed between sheath.

Prior art among the above has the following deficiencies: that the water-blocking moistureproof power cable has preferable water-blocking moistureproof Performance, but since cables most is mounted in open-air atmosphere, in addition to being corroded by rainwater etc., also suffer from sunlight photograph It penetrates, sunlight rainwater alternating action be easy to cause oversheath aging, the fracture of cable surface, in cable surface so as to cause cable It is corroded, damages, which does not simultaneously have preferable weatherability.

Utility model content

The purpose of the utility model is to provide one kind to have good anti-aging, corrosion proof weatherproof cable.

The utility model has the technical scheme that

A kind of weatherproof cable, including at least two groups cable unit, filled layer and oversheath, filled layer are located at cable unit Between oversheath, rubber water-proof belt is equipped between filled layer and oversheath.

By using above-mentioned technical proposal, oversheath provides protective effect for cable unit, makes cable unit and external rings Border isolation, cable unit can be with steady operation；Rubber fastening band has good elasticity, wearability, resistance to ag(e)ing and tear-proof Performance, adaptive deformation ability is strong and waterproof performance is good, can further protect the cable unit and filled layer of internal layer, it helps Reinforce cable entirety resistance to ag(e)ing and tearing toughness, cable weatherability are more preferable.

Be further arranged to: the oversheath outer surface is coated with antiaging coatings.

By using above-mentioned technical proposal, oversheath outer surface coats antiaging coatings, and antiaging coatings can be improved outer The uvioresistant and oxidation resistance of sheath, improve the weatherability of oversheath.

Be further arranged to: the filled layer is fiberglass cloth.

By using above-mentioned technical proposal, glass fibre is higher than organic fiber heatproof, and have it is non-ignitable, anti-it is rotten, heat-insulated, every The excellent physical properties such as sound is good, tensile strength is high, electrical insulating property is good are conducive to the rigidity and hardness that enhance cable, make electricity The not pliable deformation of cable simultaneously plays good heat-blocking action.

It is further arranged to: being equipped with aramid yarn layer on the two sides of the filled layer.

By using above-mentioned technical proposal, since glass fabric is more crisp, stress is easy to happen fracture；In glass fabric Layer two sides on Composite aramid fiber yarn, aramid yarn have density is small, stretch modulus is high, breaking strength is higher and fracture elongation compared with Low special performance, can reinforce the intensity of fiberglass cloth, while aramid yarn corrosion resistance with higher and not Conduction can play preferable protecting effect to fiberglass cloth.

Be further arranged to: the cable unit includes several annealed copper wires and insulating layer, and several annealed copper wires are twisted into line Core, insulating layer are coated on outside core.

By using above-mentioned technical proposal, several annealed copper wires are twisted into core and core are made to have preferable ductility, Convenient for the installation of later period cable.

It is further arranged to: being equipped with outside the insulating layer and continuously extrude aluminium set.

By using above-mentioned technical proposal, continuously extruding aluminium set can play a supporting role for cable, prevent cable easily It is bent, is conducive to the structural stability of cable.

It is further arranged to: being also coated with chalk bisque on the oversheath.

By using above-mentioned technical proposal, chalk bisque can prevent from mutually bonding and prevent construction personnel's hand between cable Hold viscous hand when cable.

In conclusion the advantageous effects of the utility model are as follows:

(1) rubber water-proof belt is set between oversheath and filled layer, and rubber fastening band has good elasticity, wear-resisting Property, resistance to ag(e)ing and tear resistance, adaptive deformation ability is strong and waterproof performance is good, can further protect the cable list of internal layer Member and filled layer, it helps reinforce cable entirety tearing toughness, cable weatherability is more preferable；

(2) filled layer be glass layer and outside insulating layer be equipped with continuously extrude aluminium set, the rigid of cable can be enhanced Degree and hardness, make the not pliable deformation of cable, structure is more stable.

Detailed description of the invention

Fig. 1 is the schematic cross-sectional view of the present embodiment.

Appended drawing reference: 1, cable unit；2, filled layer；3, oversheath；4, rubber water-proof belt；5, antiaging coatings；6, Aramid yarn layer；7, annealed copper wire；8, insulating layer；9, aluminium set is continuously extruded；10, chalk bisque.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

It referring to Fig.1, is a kind of weatherproof cable disclosed by the utility model, including three groups of cable units 1,3 and of oversheath The filled layer 2 being filled between cable unit 1 and oversheath 3.Oversheath 3 is made of weather resistant materials, and such as polyvinyl chloride gathers Vinyl material.One layer of rubber water-proof belt 4 is compounded on the medial surface of oversheath 3.Rubber water-proof belt 4 can be protected further The cable unit 1 and filled layer 2 of internal layer, it helps reinforce cable entirety tearing toughness, cable weatherability is more preferable.

Cable unit 1 includes three annealed copper wires 7 and insulating layer 8, and three annealed copper wires 7 are twisted into core, and insulating layer 8 is coated on Outside core.Insulating layer 8 is made of weatherability PVC material.8 outside adhesion of insulating layer, which has, continuously extrudes aluminium set 9.Continuously extrude aluminium Set 9 can play a supporting role for cable, and cable is prevented to be bent easily, be conducive to the structural stability of cable (referring to bulletin Number be CN203799728U, the applying date be 20131106 Chinese patent).

Filled layer 2 is fiberglass cloth, and fiberglass cloth stress is easily broken off in order to prevent, and filled layer 2 is close to rubber The side of glue sealing belt 4 and close continuously extrude of filled layer 2 are compounded with aramid yarn layer 6 on the side of aluminium set 9.Glass fibre It is higher than organic fiber heatproof, and have it is non-ignitable, anti-it is rotten, heat-insulated, that sound-proofing is good, tensile strength is high, electrical insulating property is good etc. is excellent Anti-flammability, the pull resistance of cable can be improved in physical property.

In order to improve the weatherability of oversheath 3,3 outer surface of oversheath is successively coated with antiaging coatings 5 and chalk bisque 10.UV resistant agent and antiozonant are added in antiaging coatings 5, to prevent 3 aging of oversheath, extend cable service life. Chalk bisque 10 can be to avoid oversheath 3 and staff's hand when mutually bonding and prevent the staff from holding cable between cable Portion's adhesion.

The implementation principle of the present embodiment and have the beneficial effect that between oversheath 3 and filled layer 2 setting rubber water-proof belt 4, reinforce cable entirety resistance to ag(e)ing and tearing toughness, cable weatherability are more preferable；Filled layer is glass layer and is insulating 8 outside setting of layer continuously extrudes aluminium set 9, cable can be prevented to be bent easily, be conducive to the structural stability of cable.

The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical Within novel protection scope.

Claims (7)

1. a kind of weatherproof cable, it is characterised in that: including at least two groups cable unit (1), filled layer (2) and oversheath (3), Filled layer (2) is located between cable unit (1) and oversheath (3), and rubber water-proof is equipped between filled layer (2) and oversheath (3) Belt (4).

2. weatherproof cable according to claim 1, it is characterised in that: oversheath (3) outer surface is coated with anti-ageing Change coating (5).

3. weatherproof cable according to claim 2, it is characterised in that: the filled layer (2) is fiberglass cloth.

4. weatherproof cable according to claim 1 or 3, it is characterised in that: be all provided on the two sides of the filled layer (2) There are aramid yarn layer (6).

5. weatherproof cable according to claim 1, it is characterised in that: the cable unit (1) includes several soft coppers Line (7) and insulating layer (8), several annealed copper wires (7) are twisted into core, and insulating layer (8) is coated on outside core.

6. weatherproof cable according to claim 5, it is characterised in that: be equipped with outside the insulating layer (8) and continuously extrude Aluminium set (9).

7. weatherproof cable according to claim 1, it is characterised in that: be also coated with whiting on the oversheath (3) Layer (10).