CN204577141U - A kind of flexible water moisture resistant cable - Google Patents

Abstract

The utility model discloses a flexible waterproof and moisture-proof cable, which comprises a cable body, and the cable body includes a conductor, an insulating layer, a shielding layer and an outer sheath. A plurality of conductors are arranged inside the cable body; a layer of core protection layer is wrapped around the conductor; the core protection layer and the conductor together form a cable core; a layer of insulating layer is tightly extruded outside the cable core; The gap between the insulating layer and the cable core is provided with a filler; the insulating layer is tightly extruded with a layer of shielding layer; the shielding layer is extruded sequentially from the inside to the outside with a waterproof layer and a water-blocking tape; the water-blocking layer A layer of outer sheath is tightly extruded outside the belt. This cable has the advantages of good shielding performance, corrosion resistance and waterproof.

Description

A flexible waterproof and moisture-proof cable

technical field

The utility model relates to the field of cables, in particular to a flexible waterproof and moistureproof cable.

Background technique

At present, with the development of science and technology, both industry and human daily life are developing towards the direction of electrification, and the status of cables in the field of industry and power is gradually increasing. The existing cable structure includes multiple The conductor, the insulating layer covering the outside of each conductor, the braiding layer, and the sheath, etc., and the existing cable moisture resistance is not very good. After working in some relatively humid environment for a period of time, the inside of the cable is easy to The intrusion of water will cause a short circuit of the system, which will bring great inconvenience to the maintenance of the staff and the use of the user.

Utility model content

In order to overcome the above-mentioned defects of the prior art, the purpose of this utility model is to provide a flexible waterproof and moisture-proof cable.

The utility model is realized by adopting the following technical solutions: a flexible waterproof and moisture-proof cable, which includes a cable body, and the cable body includes a conductor, an insulating layer, a shielding layer and an outer sheath, and is characterized in that: the inside of the cable body A plurality of conductors are provided; the conductor is wrapped with a core protective layer; the core protective layer and the conductor together form a cable core; an insulating layer is tightly extruded outside the cable core; the insulating layer and the cable A filler is provided in the gap between the cores; a layer of shielding layer is tightly extruded on the outside of the insulating layer; a waterproof layer and a water-blocking tape are extruded on the shielding layer from the inside to the outside; the water-blocking tape is tightly extruded on the outside An outer sheath.

In the aforementioned flexible waterproof and moisture-proof cable, the conductor is any one of single copper wire, stranded bare copper wire or stranded tinned copper wire.

In the aforementioned flexible waterproof and moisture-proof cable, the insulating layer is braided by tinned annealed copper wires, and the weaving density of the tinned annealed copper wires of the insulating layer is not less than 88%.

In the aforementioned flexible waterproof and moisture-proof cable, the outer sheath is made of polyolefin material.

In the aforementioned flexible waterproof and moisture-proof cable, the filler is a glass fiber rope.

In summary, the utility model has the following beneficial effects: the cable has the advantages of good shielding performance, corrosion resistance and waterproof, and the conductor is a single copper wire, stranded bare copper wire or stranded tinned copper wire Any one of them not only greatly improves the working efficiency of the cable, but also makes it work more stably, and the conductor structure is easy to process, the length of production is not limited, and it has a certain flexibility and bendability when used, which is convenient for workers layout.

Description of drawings

Fig. 1 is the cross-sectional structure schematic diagram of the utility model;

Among them: 1. Cable body; 2. Conductor; 3. Core protection layer; 4. Filler; 5. Insulation layer; 6. Shielding layer; 7. Waterproof layer; 8. Water blocking tape; 9. Outer sheath.

Detailed ways

As shown in Figure 1, a flexible waterproof and moisture-proof cable includes a cable body 1, and the cable body 1 includes a conductor 2, an insulating layer 5, a shielding layer 6 and an outer sheath 9, and the inside of the cable body 1 is provided with multiple A conductor 2; the conductor 2 is wrapped with a core protection layer 3; the core protection layer 3 and the conductor 2 together form a cable core; the cable core is tightly extruded and wrapped with a layer of insulating layer 5; the insulation The gap between the layer 5 and the cable core is provided with a filler 4; the insulating layer 5 is tightly extruded with a layer of shielding layer 6; the shielding layer 6 is extruded with a waterproof layer 7 and a water blocking tape 8 in sequence from the inside to the outside ; The water blocking belt 8 is tightly extruded and wrapped with a layer of outer sheath 9 ;

The conductor 2 is any one of single copper wire, stranded bare copper wire or stranded tinned copper wire, which not only greatly improves the working efficiency of the cable, but also makes its work more stable, and the structure of the conductor 2 It is easy to process, the production length is not limited, and it has certain softness and flexibility when used, which is convenient for workers to lay; the filler 4 is a glass fiber rope, which can effectively play a waterproof effect and prevent water vapor from entering the cable body 1 middle; the core protective layer 3 provided outside the conductor 2 can effectively improve the bending performance of the cable body 1, which is convenient to use and can prolong the service life of the cable; the insulating layer 5 is braided by tinned annealed copper wire, And the braiding density of tinned annealed copper wire of the insulating layer 5 is not less than 88%, which can improve the insulation performance of the cable body 1 and effectively make the cable work stably; the shielding layer 6 can effectively prevent the cable from being interfered by external signals , so that its performance is more excellent; the waterproof layer 7 can effectively isolate the entry of oxygen, and can play a role of flame retardancy to a certain extent, which enhances the flame retardancy of the cable and enhances its safety in use; The water belt 8 can not only play the role of radial waterproofing, but also prevent the chemical solution from penetrating into the cable, and also play a buffer role in the thermal expansion and contraction of the cable during operation. The outer sheath 9 is made of polyolefin Made of high-temperature materials, it can withstand higher temperatures, and will not produce harmful substances to pollute the environment in a high-temperature environment, so that its environmental protection performance is better, which is in line with the environmental protection concept advocated by people.

The above are the embodiments of the utility model, so all equivalent changes or modifications made according to the structure, features and principles described in the scope of application of the utility model are included in the scope of the patent application of the utility model.

Claims (5)

1. A flexible waterproof and moisture-proof cable, which includes a cable body, and the cable body includes a conductor, an insulating layer, a shielding layer and an outer sheath, and is characterized in that: a plurality of conductors are arranged inside the cable body; Wrapping a layer of core protection layer; the core protection layer and the conductor together form a cable core; a layer of insulating layer is tightly extruded outside the cable core; a filler is provided in the gap between the insulating layer and the cable core; A shielding layer is tightly extruded on the outside of the insulating layer; a waterproof layer and a water-blocking tape are extruded on the shielding layer in sequence from the inside to the outside; and an outer sheath is tightly extruded on the outside of the water-blocking tape. 2. A flexible waterproof and moisture-proof cable according to claim 1, wherein the conductor is any one of a single copper wire, a stranded bare copper wire or a stranded tinned copper wire. 3. A flexible waterproof and moisture-proof cable according to claim 1, characterized in that: the insulating layer is braided by tinned annealed copper wires, and the weaving density of the tinned annealed copper wires of the insulating layer is quite high at 88%. 4. A flexible waterproof and moisture-proof cable according to claim 1, wherein the outer sheath is made of polyolefin material. 5. A flexible waterproof and moisture-proof cable according to claim 1, characterized in that: the filler is a glass fiber rope.