Zero-buoyancy cable for underwater robot

Abstract

The utility model relates to the technical field of cable manufacturing, and discloses a zero buoyancy cable for an underwater robot, which comprises a solid core outer skin layer, an anti-torsion braid layer, a foaming layer, a metal shielding layer and a bus, the anti-torsion braid layer is arranged in the solid core outer skin layer, the foaming layer is filled between the solid core outer skin layer and the anti-torsion braid layer, and the metal shielding layer is arranged in the solid core outer skin layer. The torsion-resistant braid layer is arranged on the outer surface of the metal shielding layer, the metal shielding layer is arranged on the outer surface of the bus, a power line is arranged in the torsion-resistant braid layer, and a tensile filling layer is filled between the torsion-resistant braid layer and the metal shielding layer and between the torsion-resistant braid layer and the power line. The anti-torsion braid layer is arranged on the outer surfaces of the metal shielding layer and the power line, the overall strength of the cable is improved, the cable can be prevented from being twisted in the hanging process, the center is filled with aramid fiber in a reinforced mode, the overall tensile strength of the cable is improved, the following stability and adaptability of the cable are improved, and the equipment maintenance cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of cable manufacturing, and more specifically to a zero-buoyancy cable for an underwater robot. Background Art

[0002] Underwater robots are robots that can dive into the water to perform extreme operations. They mainly use high-tech technologies such as underwater target detection and identification, underwater navigation positioning, and underwater communication to achieve underwater salvage and rescue, detection, resource mining, entertainment and other functions. Underwater robots are closely related to zero-buoyancy cables, which are important basic accessories for the former. Zero-buoyancy cables for underwater robots are special cables designed for underwater robot equipment with a buoyancy structure design. Traditional cables may drag the underwater robot down due to their own weight, affecting the operation effect, while the buoyancy design of the zero-buoyancy cable effectively solves this problem. The cable continuously sinks due to the diving operation of the equipment, reducing or even avoiding the operating burden on the underwater robot equipment, and ensuring the safety and efficient operation of the underwater operating equipment. This cable is widely used in unmanned ships, underwater ROV unmanned remote-controlled submersibles, underwater photography, underwater salvage, underwater construction and other scenes. Because it can work stably in harsh and dangerous underwater environments, it has become an important tool for ocean development. It provides power support for underwater equipment with underwater mechanical arms, hydraulic cutters and other operating tools. It has the characteristics of high stability, wide application range, long service life, etc., which reduces the maintenance cost of the equipment and is an important tool for ocean development.

[0003] Insufficient existing technology: When robots operate in underwater environments, due to the complex working environment, they need to be equipped with stronger and more durable cables to provide a continuous and stable power supply. In addition, signal transmission may also be interfered with by various factors, such as electromagnetic interference, water flow fluctuations, etc., affecting the signal transmission stability and accuracy of zero-buoyancy cables. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides a zero-buoyancy cable for an underwater robot to solve the problems existing in the above-mentioned background technology.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a zero-buoyancy cable for an underwater robot, comprising a solid outer skin layer, and also comprising: a torsion-resistant braided layer, a foaming layer, a metal shielding layer, and a bus. The solid outer skin layer is provided with an torsion-resistant braided layer inside, and a foaming layer is filled between the solid outer skin layer and the torsion-resistant braided layer. The torsion-resistant braided layer is arranged on the outer surface of the metal shielding layer, and the metal shielding layer is arranged on the outer surface of the bus. A power cord is provided inside the torsion-resistant braided layer, and a tensile filling layer is filled between the torsion-resistant braided layer, the metal shielding layer and the power cord.

[0006] Furthermore, the solid outer skin layer and the foaming layer are both made of polyether TPU material.

[0007] Furthermore, the foaming layer is located on the outer surface of the torsion-resistant braided layer, and the torsion-resistant braided layer is woven from aramid material.

[0008] Furthermore, a tensile filling layer is provided inside the torsion-resistant braided layer, and the tensile filling layer is made of aramid material.

[0009] Furthermore, the metal shielding layer is woven from tinned copper wires.

[0010] Furthermore, the outer surface of the bus is wrapped with aluminum foil.

[0011] Furthermore, an electromagnetic shielding layer is provided on the outer surface of the power line, and the electromagnetic shielding layer is made of copper foil.

[0012] The technical effects and advantages of this utility model are:

[0013] 1. The utility model is provided with an anti-twist braided layer, which is arranged on the outer surface of the metal shielding layer and the power cord, which not only increases the overall strength of the cable, but also prevents the cable from twisting during the hanging process. The center is reinforced with aramid to increase the overall tensile strength of the cable, which is beneficial to improve the stability and adaptability of the cable following and reduce the maintenance cost of the equipment.

[0014] 2. The utility model is provided with a metal shielding layer, which is woven from tinned copper wire and arranged on the outer surface of the bus to prevent the surrounding power lines from interfering with the signal lines and network lines, which is beneficial to increasing the stability of power and signal transmission.

[0015] 3. The utility model is provided with an electromagnetic shielding layer. The outer surface of the power line is made of copper foil. The copper foil has good electrical conductivity and can provide good shielding performance, which is beneficial to reduce the mutual interference between the bus in the cable and the power line, and ensure the normal operation of the system. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model as a whole;

[0018] Figure 3 This is a schematic diagram of the structure of the torsion-resistant braided layer of the utility model;

[0019] Figure 4 This is a schematic diagram of the bus structure of the present utility model.

[0020] The figures are marked as follows: 1, solid outer skin layer; 2, torsion-resistant braided layer; 201, tensile filling layer; 3, foaming layer; 4, metal shielding layer; 5, bus; 501, aluminum foil; 6, power cord; 601, electromagnetic shielding layer. DETAILED DESCRIPTION

[0021] The following will clearly and completely describe the technical solutions of the present invention in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely examples. The zero-buoyancy cable for an underwater robot involved in the present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0022] Reference Figures 1 to 4 The utility model provides a zero-buoyancy cable for an underwater robot, comprising a solid outer skin layer 1, and also comprising: a torsion-resistant braided layer 2, a foaming layer 3, a metal shielding layer 4, and a bus 5. The torsion-resistant braided layer 2 is arranged inside the solid outer skin layer 1, and the foaming layer 3 is filled between the solid outer skin layer 1 and the torsion-resistant braided layer 2. The torsion-resistant braided layer 2 is arranged on the outer surface of the metal shielding layer 4, and the metal shielding layer 4 is arranged on the outer surface of the bus 5. A power cord 6 is arranged inside the torsion-resistant braided layer 2, and a tensile filling layer 201 is filled between the torsion-resistant braided layer 2, the metal shielding layer 4 and the power cord 6.

[0023] Among them, the solid outer skin layer 1 and the foaming layer 3 are both made of polyether TPU material. Polyether TPU material has excellent waterproof and wear-resistant properties, which can effectively protect the internal structure of the cable from seawater erosion and mechanical wear. At the same time, it has high-strength tensile properties to ensure that the cable can still maintain structural integrity and stable performance in deep sea or complex environments. Polyether TPU has outstanding aging resistance, which can extend the service life of the cable and reduce maintenance costs. Compared with other materials, polyether TPU is more environmentally friendly, degradable, and has little impact on the environment. In addition, polyether TPU as the outer layer material of underwater cables can significantly improve the durability, reliability and environmental performance of the cable.

[0024] Among them, the foaming layer 3 is located on the outer surface of the torsion-resistant braided layer 2, and the torsion-resistant braided layer 2 is woven from aramid material. Aramid has good high-temperature resistance and can operate stably for a long time in a high-temperature environment. At the same time, aramid also has excellent electrical insulation properties, which can effectively prevent current leakage and improve the safety performance of the cable. The high mechanical properties and tensile strength of aramid make it an ideal reinforcement material for optical fiber cables, which helps to improve the strength and stability of optical fiber cables and ensure the transmission quality of optical signals.

[0025] Among them, a tensile filling layer 201 is provided inside the torsion-resistant braided layer 2. The tensile filling layer 201 is made of aramid material, and the center is reinforced with aramid to increase the overall tensile strength of the cable. Aramid fiber has the characteristics of high strength and high modulus, which can effectively improve the mechanical properties of the optical cable, improve the tensile strength and wear resistance of the cable, and at the same time reduce the weight of the optical cable, making it easier to lay and maintain.

[0026] The metal shielding layer 4 is woven from tinned copper wires. Both tin and copper are metals with good electrical conductivity, which provide higher shielding effectiveness and prevent the surrounding power lines from interfering with the signal lines and network lines.

[0027] The outer surface of the bus 5 is wrapped with aluminum foil 501 , which is light, easy to process and cost-effective.

[0028] The outer surface of the power line 6 is provided with an electromagnetic shielding layer 601 , which is made of copper foil. The copper foil has good electrical conductivity and can provide good shielding performance.

[0029] The working principle of the present invention: The present invention includes a solid outer skin layer 1, and also includes: a torsion-resistant braided layer 2, a foaming layer 3, a metal shielding layer 4, and a bus 5. The solid outer skin layer 1 is provided with an torsion-resistant braided layer 2, and the foaming layer 3 is filled between the solid outer skin layer 1 and the torsion-resistant braided layer 2. The solid outer skin layer 1 and the foaming layer 3 are both made of polyether TPU material. The polyether TPU material has excellent waterproof and wear-resistant properties, which can effectively protect the internal structure of the cable from seawater erosion and mechanical wear. At the same time, it has high-strength tensile properties to ensure that the cable can still maintain structural integrity and stable performance in deep sea or complex environments. The aging resistance of polyether TPU is outstanding, which can extend the service life of the cable and reduce maintenance costs. Compared with other materials, polyether TPU is more environmentally friendly, degradable, and has little impact on the environment. In addition, polyether TPU is used as the outer layer material of underwater cables, which can significantly improve the durability, reliability and environmental performance of the cable. The use of polyether TP The design of U as the raw material of the solid core outer skin 1 makes the zero buoyancy cable have excellent electrical properties and waterproof and seawater corrosion resistance, which can ensure the stable transmission of power and signals. The torsion-resistant braided layer 2 is woven from aramid material. Aramid has good high temperature resistance and can operate stably for a long time in high temperature environment. At the same time, aramid also has excellent electrical insulation performance, which can effectively prevent current leakage and improve the safety performance of the cable. The high mechanical properties and tensile strength of aramid make it an ideal reinforcement material for optical fiber cables, which helps to improve the strength and stability of optical fiber cables and ensure the transmission quality of optical signals. The softness and tensile strength of aramid also make it adaptable to complex underwater operating environments, so that the cable can better ensure the safety and efficient operation of underwater operating equipment, making the cable transmission performance more stable, the scope of application wider, and the service life longer. The torsion-resistant braided layer 2 is arranged on the outer surface of the metal shielding layer 4 and the power cord 6, which not only increases the overall strength of the cable,It can also prevent the cable from twisting during the hanging process. The metal shielding layer 4 is woven from tinned copper wire. Tin and copper are both metals with good electrical conductivity, which provides higher shielding effectiveness and prevents the surrounding power lines from interfering with the signal lines and network lines, which is beneficial to increasing the stability of power and signal transmission. The metal shielding layer 4 is arranged on the outer surface of the bus 5, and the outer surface of the bus 5 is wrapped with aluminum foil 501. The aluminum foil is light and has the characteristics of easy processing and high cost-effectiveness. The power line 6 is arranged inside the torsion-resistant braided layer 2, and the outer surface of the power line 6 is provided with an electromagnetic shielding layer 601. The electromagnetic shielding layer 601 is made of copper foil. The copper foil has good electrical conductivity and can provide good shielding effectiveness, which is beneficial to reduce the mutual interference between the bus and the power line in the cable and ensure the normal operation of the system. A tensile filler layer 201 is placed between the torsion-resistant braided layer 2, the metal shielding layer 4, and the power cord 6. This filler layer 201 is made of aramid, with aramid reinforcement at the center to increase the overall tensile strength of the cable. Aramid fiber has high strength and high modulus, effectively improving the mechanical properties of the optical cable, increasing its tensile strength and abrasion resistance while reducing its weight and facilitating installation and maintenance. Aramid is a lightweight, high-strength material. Using aramid as the raw material for the torsion-resistant braided layer 2 and the tensile filler layer 201 ensures the cable maintains zero buoyancy in water, meaning it neither sinks due to its own weight nor floats due to buoyancy. This design eliminates additional drag on underwater robots during underwater operations, thereby improving the robot's operational stability and flexibility.

[0030] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A zero-buoyancy cable for an underwater robot, comprising a solid core outer layer (1), characterized in that: Also includes: A torsion-resistant braided layer (2), a foaming layer (3), a metal shielding layer (4), and a bus (5); the torsion-resistant braided layer (2) is arranged inside the solid outer skin layer (1); the foaming layer (3) is filled between the solid outer skin layer (1) and the torsion-resistant braided layer (2); the torsion-resistant braided layer (2) is arranged on the outer surface of the metal shielding layer (4); the metal shielding layer (4) is arranged on the outer surface of the bus (5); a power line (6) is arranged inside the torsion-resistant braided layer (2); and a tensile filling layer (201) is filled between the torsion-resistant braided layer (2), the metal shielding layer (4), and the power line (6).

2. The zero-buoyancy cable for an underwater robot according to claim 1, characterized in that: The solid outer skin layer (1) and the foaming layer (3) are both made of polyether TPU material.

3. The zero-buoyancy cable for an underwater robot according to claim 2, characterized in that: The foaming layer (3) is located on the outer surface of the anti-twist braided layer (2), and the anti-twist braided layer (2) is woven from aramid material.

4. The zero-buoyancy cable for an underwater robot according to claim 3, characterized in that: A tensile filling layer (201) is provided inside the torsion-resistant braided layer (2), and the tensile filling layer (201) is made of aramid material.

5. The zero-buoyancy cable for an underwater robot according to claim 1, characterized in that: The metal shielding layer (4) is woven from tinned copper wires.

6. The zero-buoyancy cable for an underwater robot according to claim 1, characterized in that: The outer surface of the bus (5) is wrapped with aluminum foil (501).

7. The zero-buoyancy cable for an underwater robot according to claim 1, characterized in that: The outer surface of the power line (6) is provided with an electromagnetic shielding layer (601), and the electromagnetic shielding layer (601) is made of copper foil.

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