CN203311903U - Radial waterproof cable - Google Patents

Abstract

The utility model discloses a radial waterproof cable comprising a plurality of conductors, insulating layers respectively coated outside the conductors, filling material, a wrapping layer and a sheath layer, wherein each conductor and the corresponding insulating layer form an insulated wire core, the wrapping layer is coated outside a cabling structure formed by stranding a plurality of insulated wire cores, and the filling material is filled in gaps between the insulating layers and the wrapping layer. The radial waterproof cable further comprises an aluminum-plastic composite tape waterproof layer arranged between the wrapping layer and the sheath layer, and the sheath layer is arranged on the outer surface of the aluminum-plastic composite tape waterproof layer. Through combination of the aluminum-plastic composite tape waterproof layer and the thermoplastic resin sheath layer, water vapor barrier and protection performance of the cable in the radial range is greatly improved, the influence of water vapor to the insulated wire cores inside the cable due to the fact that the cable is exposed in a humid environment for a long time is effectively avoided, the safety of electrical transmission is improved, and the service life of the cable is prolonged.

Description

A radial waterproof cable

technical field

The utility model relates to a cable, in particular to a radial waterproof cable used in a humid environment.

Background technique

At present, the structure of most cables includes multiple conductors, an insulating layer covering each conductor, a filler, a wrapping layer and a sheath layer; wherein, the conductor and the insulating layer constitute an insulated core, and the wrapping layer is wrapped in On the outside of the cable structure formed by twisting multiple insulated wire cores, the filler is filled in the gap between the insulating layer and the wrapping layer, and the sheath layer is covered on the outer surface of the wrapping layer. And the material of the sheath layer is mostly PVC material.

During the use of the cable, especially in a humid environment, the insulation performance of the cable will be significantly reduced after a period of use, which poses a great hidden danger to the safety of electricity use. With the prolongation of service time, the incidence of short circuit in the power distribution room has also increased significantly, which has brought a lot of inconvenience to people's production and life.

Utility model content

Aiming at the deficiencies in the prior art, the purpose of the utility model is to provide a radial waterproof cable, which improves the environmental adaptability of the cable, improves the safety of electrical transmission, and reduces the use failure of the cable.

In order to achieve the above object, the utility model is realized through the following technical solutions:

The utility model comprises a plurality of conductors, an insulating layer coated on the outside of each conductor, a filler, a wrapping layer and a sheath layer; the conductor and the insulating layer constitute an insulating wire core, and the wrapping layer is wrapped in a plurality of insulating wire cores. On the outside of the twisted cable structure, fillers are filled in the gap between the insulating layer and the wrapping layer. The utility model also includes a waterproof layer of aluminum-plastic composite tape arranged between the wrapping layer and the sheath layer. , the sheath layer is arranged on the outer surface of the waterproof layer of the aluminum-plastic composite tape.

The waterproof layer of the utility model is a longitudinal wrapping structure of aluminum-plastic composite tape. Through the bonding of plastic film materials, the waterproof layer forms a closed space tubular structure, which makes the cable form a good barrier to the penetration of water vapor, and greatly enhances the cable diameter. To the waterproof effect.

The above-mentioned sheath layer is made of thermoplastic resin material. It further improves the protection of the cable against water vapor, blocks the movement of water vapor in the radial direction of the cable, and protects the cable for long-term normal use in a humid environment.

The utility model, through the combination of the waterproof layer of the aluminum-plastic composite belt and the thermoplastic resin sheath layer, greatly improves the water vapor barrier and protection of the cable in the radial range, and effectively avoids the water vapor on the inside of the cable caused by long-term humid environments. The effect of insulated wire core improves the safety of electrical transmission and prolongs the service life of the cable.

Description of drawings

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

Detailed ways

In order to make the technical means, creative features, goals and effects achieved by the utility model easy to understand, the utility model will be further elaborated below in conjunction with specific embodiments.

Referring to Fig. 1, the utility model comprises a plurality of conductors 1, an insulating layer 2 coated on the outside of each conductor 1, a filler 3, a wrapping layer 4, an aluminum-plastic composite tape waterproof layer 5 and a sheath layer 6.

The conductor 1 and the insulating layer 2 form an insulated wire core, and the wrapping layer 4 is wrapped on the outside of the cable structure formed by twisting a plurality of insulated wire cores, and the filler 3 is filled in the space between the insulating layer 2 and the wrapping layer 4 In the gap, the waterproof layer 5 of the aluminum-plastic composite tape is wrapped on the outer surface of the wrapping layer 4 , and the sheath layer 6 is wrapped around the outer surface of the waterproof layer 5 of the aluminum-plastic composite tape.

The waterproof layer of the utility model is a longitudinal wrapping structure of aluminum-plastic composite tape. Through the bonding of plastic film materials, the waterproof layer forms a closed space tubular structure, which makes the cable form a good barrier to the penetration of water vapor, and greatly enhances the cable diameter. To the waterproof effect.

The sheath layer 6 of the utility model is made of high-density thermoplastic resin material. It further improves the protection of the cable against water vapor, blocks the movement of water vapor in the radial direction of the cable, and protects the cable for long-term normal use in a humid environment.

The utility model adds a layer of waterproof layer 5 of aluminum-plastic composite tape on the basis of the original cable structure. Through the plastic bonding effect of the aluminum-plastic composite tape, the waterproof layer is tightly bonded into a closed hollow tubular structure, and the metal aluminum material The water resistance of the cable is much stronger than that of the polymer material, so that the cable forms a good protective screen outside the core of the wire transmission.

In addition, the sheath layer 6 of the utility model adopts a high-density thermoplastic resin material with high density to replace the ordinary PVC sheath, so that the waterproof performance of the cable is further improved. Through the high-density thermoplastic resin sheath and The combined waterproof structure of the aluminum-plastic composite tape avoids the influence of water vapor on the cable in a humid environment, improves the safety factor of power transmission and distribution, expands the use space of the cable, and makes the application range of the cable wider and more adaptable.

The basic principles and main features of the present utility model and the advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model The new model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents.

Claims (2)

1. A radial waterproof cable, comprising a plurality of conductors (1), an insulating layer (2) covering each conductor (1), a filler (3), a wrapping layer (4) and a sheath layer (6); The conductor (1) and the insulating layer (2) constitute an insulated wire core, the wrapping layer (4) is wrapped on the outside of a cable structure formed by twisting a plurality of insulated wire cores, and the filler (3 ) is filled in the gap between the insulating layer (2) and the wrapping layer (4), characterized in that, It also includes an aluminum-plastic composite tape waterproof layer (5) arranged between the wrapping layer (4) and the sheath layer (6), and the sheath layer (6) is arranged on the aluminum-plastic composite tape waterproof layer (5) The outer surface. 2. The radial waterproof cable according to claim 1, characterized in that, The sheath layer (6) is made of thermoplastic resin material.

Images