CN219916759U - Signal watertight cable for tensile strength - Google Patents

Abstract

The utility model discloses a signal watertight cable for tensile strength, which belongs to the technical field of deepwater watertight cables and sequentially comprises a conductor unit, an insulating layer, a tensile unit, a braiding layer, a wrapping band layer, an inner sheath layer, an armor layer and an outer sheath layer from inside to outside; the filling of the tensile unit enables the cable to withstand large tensile forces, reducing the risk of breakage and damage. And secondly, the cable has excellent watertight performance through the application of the braiding layers, the wrapping tape layers and the water blocking adhesive, so that moisture penetration is effectively prevented, and the stability and the reliability of signal transmission are ensured. In addition, the braid is adopted as a shielding layer and a mechanical protection layer, so that the cable has good electromagnetic interference shielding effect and mechanical protection capability, the influence of external interference and physical damage is reduced, and the durability and reliability of the cable are improved.

Description

Signal watertight cable for tensile strength

Technical Field

The utility model belongs to the technical field of deepwater watertight cables, and particularly relates to a signal watertight cable for tensile strength.

Background

The watertight cable is an indispensable key component such as a submarine, a sonar, a underwater sound transducer, an underwater robot and the like, is mainly used in an underwater ship power supply system, is a bridge for connecting a power supply and electric equipment, ensures the electrified reliability under normal conditions and ensures the safety of the submarine under accident conditions, so that the watertight cable needs to have good tensile property and reliable watertight performance, and is convenient for connecting equipment and the power supply safely in the underwater power supply system.

There are some watertight cable designs already present, but they generally have some limitations in terms of tensile properties and withstanding water pressure. Some cables may not withstand high tension, resulting in easy breakage or disconnection under tension. Meanwhile, when the conventional watertight cable faces a high water pressure environment, water penetration may occur, resulting in wetting and even short-circuiting inside the cable.

Accordingly, the present utility model provides a signal watertight cable for tensile strength to solve the problems set forth in the background art.

Disclosure of Invention

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a signal watertight cable for tensile, includes conductor unit, insulating layer, tensile unit, weaving layer, band layer, inner sheath layer, dress armor layer and oversheath layer from inside to outside in proper order.

The further scheme is as follows: the conductor units are multi-core stranded.

The further scheme is as follows: the thickness of the insulating layer is 0.3mm.

The further scheme is as follows: the tinned copper wires of the braiding layer have a braiding density of not less than 85%, and water-blocking glue is coated outside the braiding layer.

The further scheme is as follows: the wrapping tape layer is a double-sided water-blocking tape wrapping bag, and the wrapping overlapping rate of the double-sided water-blocking tape wrapping bag is not less than 35%.

The further scheme is as follows: the tensile unit is water-blocking aramid yarn, and the water-blocking aramid yarn is filled in the middle of the cable core.

The further scheme is as follows: the armor layer is a galvanized steel wire, and the diameter of the galvanized steel wire is 1.6mm.

The further scheme is as follows: the insulating wire core is stranded in-process and uses the coating to block water glue, guarantees to apply evenly.

Compared with the prior art, the utility model has the beneficial effects that:

the structure and material selection of the traditional cable are optimized, and the multi-core stranded conductor units and the water-blocking aramid fibers are used as the tensile units for filling, so that the tensile capacity of the cable is effectively improved; the tinned copper wires are adopted for braiding the braiding layers, and the water-blocking glue is coated on the braiding layers, so that the water-blocking performance is effectively improved; the armoured layer adopts galvanized steel wires with the diameter of 1.6mm, so that mechanical protection is provided, and the external force resistance of the cable is further improved. In addition, the waterproof glue is uniformly coated in the twisting process of the insulated wire cores, so that the watertight performance of the cable is ensured.

Drawings

The present utility model is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.

Fig. 1 is a schematic structural view of a signal watertight cable for tensile strength.

In the figure: 1. a conductor unit; 2. an insulating layer; 3. a tensile unit; 4. a braiding layer; 5. a tape layer; 6. an inner sheath layer; 7. an armor layer is arranged; 8. and an outer sheath layer.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the utility model, i.e., the embodiments described are merely some, but not all, of the embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.

Referring to fig. 1, in an embodiment of the present utility model, a watertight tensile signal cable includes, in order from inside to outside, a conductor unit 1, an insulating layer 2, a tensile unit 3, a braid 4, a braid 5, an inner jacket 6, an armor 7 and an outer jacket 8.

The filling of the tension unit 3 enables the cable to withstand large tensile forces, reducing the risk of breakage and damage. And secondly, the cable has excellent watertight performance through the application of the tensile unit 3, the wrapping tape layer 5 and the water blocking adhesive, so that moisture penetration is effectively prevented, and the stability and the reliability of signal transmission are ensured. In addition, the braid 4 is adopted as a shielding layer and a mechanical protection layer, so that the cable has good electromagnetic interference shielding effect and mechanical protection capability, the influence of external interference and physical damage is reduced, and the durability and reliability of the cable are improved.

In this embodiment, the conductor unit 1 is a multi-core twisted conductor unit 1, which enhances the tensile capacity of the cable, so that it can withstand larger tensile force and reduce the risk of breakage and damage.

Further, the insulating layer 2 has a thickness of 0.3mm, protecting the conductors from electrical disturbances and short circuits.

In this embodiment, the tinned copper wire weaving density of the weaving layer 4 is not less than 85%, water blocking glue is further smeared outside the weaving layer 4, the tinned copper wire weaving layer 4 provides electromagnetic interference shielding and tensile capacity, meanwhile, smeared water blocking glue increases watertight performance, and the cable is protected from moisture penetration.

In one embodiment, the wrapping layer 5 is a double-sided water-blocking tape wrapping, the wrapping overlapping rate of the non-woven tape wrapping is not less than 35%, the non-woven tape wrapping layer has good watertight performance, the wrapping overlapping rate is not less than 35%, better watertight performance is ensured, and moisture penetration is further prevented.

Preferably, the tensile unit 3 is a water-blocking aramid yarn, and the water-blocking aramid yarn is filled in the middle of the cable core to enhance the tensile capacity.

Preferably, the armor layer 7 is a galvanized steel wire, and the galvanized steel wire has a diameter of 1.6mm, which can provide additional mechanical protection, enhancing the durability and resistance to external forces of the cable.

In the embodiment, the water-blocking glue is used in the twisting process of the insulated wire core, so that the uniform coating is ensured, the overall watertight performance of the cable is ensured, and the penetration of water is effectively prevented.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The foregoing is merely illustrative of the structures of this utility model and various modifications, additions and substitutions for those skilled in the art can be made to the described embodiments without departing from the scope of the utility model or from the scope of the utility model as defined in the accompanying claims.

Claims (7)

1. The utility model provides a signal watertight cable for tensile, its characterized in that includes conductor unit (1), insulating layer (2), tensile unit (3), weaving layer (4), band layer (5), inner sheath layer (6), dress armor layer (7) and oversheath layer (8) from inside to outside in proper order.

2. A tensile signal watertight cable according to claim 1 wherein the conductor unit (1) is multi-core stranded.

3. A tensile signal watertight cable according to claim 1 wherein the insulating layer (2) has a thickness of 0.3mm.

4. A signal watertight cable for tensile use according to claim 1 wherein the tinned copper wires of the braid (4) have a braid density of not less than 85%.

5. The signal watertight cable for tensile strength according to claim 1, wherein the tape layer (5) is a double-sided tape-wrapped, and the wrapping overlap ratio of the double-sided tape-wrapped is not less than 35%.

6. A signal watertight cable for tensile use as claimed in any one of claims 1 to 5, characterized in that said tensile unit (3) is a water-blocking aramid yarn.

7. A tensile signal watertight cable according to claim 1 wherein the armor layer (7) is a galvanized steel wire and the galvanized steel wire has a diameter of 1.6mm.