Moving water-blocking cable

Abstract

The utility model provides a moving water-blocking cable, which comprises core wires, a plurality of core wires are twisted to form a cable core, gaps of the cable core are filled with cold glue to form a water-blocking piece, and each core wire comprises a tin-plated copper conductor, the outer surface of the tinned copper conductor is sequentially provided with a thermal glue layer and a cross-linked low-smoke halogen-free flame-retardant polyolefin elastomer insulating layer from inside to outside; when the cable moves back and forth underwater, not only are the water-blocking performance and the anti-corrosion performance of the cable improved, but also the mechanical performance of the cable is improved, and the problem that the cable is very easy to wear and break under the action of external force is effectively avoided.

Description

Technical Field

[0001] The present application relates to the field of cable technology, and more specifically, to a moving water-blocking cable. Background Art

[0002] The deep sea is one of the last underexplored areas on Earth. Through underwater robots for deep-sea exploration and research, a large amount of scientific data and information can be obtained, which will help people better understand the marine environment, ecosystem and earth history. These data and information are of great significance to the development of marine science. As underwater robots are increasingly used in deep-sea exploration and research, the cables used by underwater robots need to have special properties to cope with the challenges of the underwater environment. The cables used by existing underwater robots have the following technical problems during use:

[0003] 1) Cables for underwater robots must be able to work underwater for long periods of time without being penetrated by water. In addition, they also need to resist corrosion from seawater, as salt and other chemicals in seawater may damage the cables. The current water-blocking and corrosion-resistant properties of cables for underwater robots are difficult to meet this technical challenge;

[0004] 2) When the underwater robot is moving and operating, the cables used by the underwater robot will move back and forth and may be stretched, twisted and bent. Due to the poor mechanical properties of existing cables, the cables are very easy to wear and break under the action of external forces. Utility Model Content

[0005] In order to solve the above-mentioned technical problems, the present application provides a moving water-blocking cable. When the cable moves back and forth underwater, it not only improves the water-blocking and corrosion-resistant properties of the cable, but also improves the mechanical properties of the cable, effectively avoiding the cable from being easily worn and broken under the action of external forces.

[0006] The present application provides a moving water-blocking cable, comprising: a core wire, a plurality of the core wires being twisted into a cable core, the gaps of the cable core being filled with cold-type glue to form a water-blocking member, the core wire comprising: a tinned copper conductor, the outer surface of the tinned copper conductor being provided with a hot-type glue layer and a cross-linked low-smoke halogen-free flame-retardant polyolefin elastomer insulation layer in sequence from the inside to the outside.

[0007] The present application provides a moving water-blocking cable, which not only improves the water-blocking and corrosion-resistant properties of the cable, but also improves the mechanical properties of the cable when the cable moves back and forth underwater, effectively avoiding problems such as wear and breakage of the cable when subjected to external forces.

[0008] As a preferred technical solution, a tape layer is provided on the outer side of the cable core.

[0009] As a preferred technical solution, a cross-linked low-smoke, halogen-free, flame-retardant polyolefin elastomer sheath is provided on the outside of the tape layer.

[0010] As a preferred technical solution, a corrugated tube is provided on the outer side of the cross-linked low-smoke halogen-free flame-retardant polyolefin elastomer sheath.

[0011] As a preferred technical solution, the diameter of the tinned copper conductor is 0.04-0.06 mm.

[0012] As a preferred technical solution, the core wire includes: a first core wire, a second core wire, a third core wire and a fourth core wire, the first core wire and the second core wire are arranged correspondingly, and the third core wire and the fourth core wire are arranged correspondingly.

[0013] As an optimal technical solution, the water-blocking component includes: a first water-blocking component, the center of the cable core is filled with cold-type glue to form the first water-blocking component, and the first core wire, the second core wire, the third core wire and the fourth core wire are twisted and arranged on the outside of the first water-blocking component.

[0014] As a preferred technical solution, the water blocking member includes: a second water blocking member, and the gap between every two adjacent core wires and the tape layer is filled with cold glue to form the second water blocking member.

[0015] As a preferred technical solution, the outer surface of the bellows is uniformly corrugated.

[0016] As a preferred technical solution, the corrugated pipe is a low-smoke halogen-free cross-linked polyolefin corrugated pipe.

[0017] The present application provides a motion water-blocking cable, which has the following beneficial effects:

[0018] 1) When the cable moves back and forth underwater, it not only improves the water-blocking and anti-corrosion properties of the cable, but also improves the mechanical properties of the cable, effectively avoiding problems such as wear and breakage of the cable under the action of external forces;

[0019] 2) The gaps in the cable core are filled with cold glue to form a water-blocking member, the cold glue is adhered to each unit core wire, and the cold glue is filled in the gaps between the core wires to form a water-blocking member, the water-blocking member plays a role in blocking water, making the cable safer and more stable when working underwater;

[0020] The outer surface of the tinned copper conductor is provided with a thermal glue layer and a cross-linked low-smoke halogen-free flame-retardant polyolefin elastomer insulation layer in sequence from the inside to the outside. The tinned copper conductor is coated with a thermal glue layer, which not only improves the anti-corrosion and waterproof capabilities of the cable, but also improves the mechanical properties of the cable;

[0021] Tinned copper conductors are copper conductors with a layer of metal tin on the surface. A tight oxide film is formed on the surface of the tin layer to prevent the further oxidation of the tin layer. This property makes the tinned copper conductor improve its oxidation resistance to a certain extent and prevents corrosion caused by oxidation.

[0022] The thermal adhesive layer can fit tightly on the surface of the tinned copper conductor, effectively preventing moisture from penetrating into the conductor, thus playing a role of water barrier;

[0023] The thermal adhesive layer not only has water-blocking properties, but also usually has a certain chemical stability and can resist the erosion of a variety of chemical substances, which enables it to prevent the cable from being corroded due to contact with corrosive substances to a certain extent;

[0024] The cross-linked low-smoke halogen-free flame-retardant polyolefin elastomer insulation layer makes the cable more flexible and wear-resistant, improves the mechanical properties of the cable, and effectively avoids the problem of the cable being easily worn and broken under the action of external forces;

[0025] 3) A cross-linked low-smoke, halogen-free, flame-retardant polyolefin elastomer sheath is provided on the outside of the tape layer, which is not only safe and environmentally friendly, but also makes the cable as a whole more flexible and wear-resistant, improves the mechanical properties of the cable, and effectively avoids the problem of the cable being easily worn and broken under the action of external forces;

[0026] 4) A corrugated tube is provided on the outside of the cross-linked low-smoke halogen-free flame-retardant polyolefin elastomer sheath, and the outer layer of the entire cable is covered with an ultra-soft corrugated tube, which further makes the cable as a whole more soft and wear-resistant, improves the mechanical properties of the cable, and effectively avoids the problem of the cable being easily worn and broken under the action of external forces;

[0027] 5) The cable has been subjected to low temperature (-40℃) torsion test from 1000 to more than 2000 times, and normal temperature drag chain test up to 10 million times. It has excellent bending performance, easy installation, improved mechanical properties of the cable, and effectively avoids problems such as wear and breakage of the cable under the action of external forces. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 A schematic diagram of the structure of a moving water-blocking cable provided in this application;

[0029] Description of the numbers in the figure:

[0030] 1-core wire; 11-tinned copper conductor; 12-thermal glue layer; 13-cross-linked low-smoke halogen-free flame-retardant polyolefin elastomer insulation layer; 14-first core wire; 15-second core wire; 16-third core wire; 17-fourth core wire; 2-water blocking member; 21-first water blocking member; 22-second water blocking member; 3-tape layer; 4-cross-linked low-smoke halogen-free flame-retardant polyolefin elastomer sheath; 5-corrugated pipe. DETAILED DESCRIPTION

[0031] The preferred embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0032] like Figure 1 As shown, the present application provides a moving water-blocking cable, comprising: a core wire 1, a plurality of the core wires 1 twisted into a cable core, the gaps of the cable core are filled with cold-type glue to form a water-blocking component 2, the core wire 1 comprising: a tinned copper conductor 11, the outer surface of the tinned copper conductor 11 is provided with a hot-type glue layer 12 and a cross-linked low-smoke halogen-free flame-retardant polyolefin elastomer insulation layer 13 in sequence from the inside to the outside; the outer side of the cable core is provided with a tape layer 3, a cross-linked low-smoke halogen-free flame-retardant polyolefin elastomer sheath 4 and a corrugated tube 5 in sequence from the inside to the outside.

[0033] The present application provides a moving water-blocking cable, which not only improves the water-blocking and corrosion-resistant properties of the cable, but also improves the mechanical properties of the cable when the cable moves back and forth underwater, effectively avoiding problems such as wear and breakage of the cable when subjected to external forces.

[0034] Preferably, the gaps in the cable core are filled with cold glue to form a water-blocking member 2, the cold glue adheres to each unit core wire 1, and the cold glue fills the gaps between the core wires 1 to form a water-blocking member 2, the water-blocking member 2 plays a role in blocking water, making the cable safer and more stable when working underwater;

[0035] Preferably, the outer surface of the tinned copper conductor 11 is provided with a thermal glue layer 12 and a cross-linked low-smoke halogen-free flame-retardant polyolefin elastomer insulation layer 13 in sequence from the inside to the outside. The tinned copper conductor 11 is coated with the thermal glue layer 12, which not only improves the anti-corrosion and waterproof capabilities of the cable, but also improves the mechanical properties of the cable;

[0036] Preferably, the tinned copper conductor 11 is a copper conductor with a metal tin layer plated on the surface. A compact oxide film is formed on the surface of the tin layer to prevent the tin layer from further oxidation. This property improves the oxidation resistance of the tinned copper conductor to a certain extent and prevents corrosion caused by oxidation.

[0037] Preferably, the thermal glue layer 12 can be closely attached to the surface of the tinned copper conductor 11, effectively preventing moisture from penetrating into the interior of the tinned copper conductor 11, thereby playing an effective role in water blocking;

[0038] Preferably, the thermal glue layer 12 not only has water-blocking properties, but also generally has a certain chemical stability and can resist corrosion from a variety of chemical substances, which enables it to prevent the cable from being corroded due to contact with corrosive substances to a certain extent;

[0039] Preferably, the insulating layer is preferably a cross-linked low-smoke halogen-free flame-retardant polyolefin elastomer insulating layer 13, which is not only safe and environmentally friendly, but also makes the cable as a whole softer and more wear-resistant, improves the mechanical properties of the cable, and effectively avoids the problem of the cable being easily worn and broken under the action of external forces.

[0040] The cable has been subjected to low-temperature (-40°C) torsion tests from 1,000 to more than 2,000 times, and normal-temperature drag chain tests up to 10 million times. It has excellent bending performance, is easy to install, improves the mechanical properties of the cable, and effectively avoids problems such as wear and breakage of the cable when subjected to external forces.

[0041] Preferably, a tape layer 3 is provided on the outer side of the cable core. The tape layer 3 can tightly fix the various components of the cable core (such as the tinned copper conductor 11 and the cross-linked low-smoke halogen-free flame-retardant polyolefin elastomer insulation layer 13, etc.) together to prevent them from loosening or shifting during the back-and-forth movement of the cable. The tape layer 3 can also increase the bending radius of the cable, improve the flexibility and tensile strength of the cable, and make the cable more durable and easy to install. The tape layer 3 can effectively prevent water and moisture from entering the cable core, maintain the dryness and insulation performance of the cable core, and ensure the normal use of the cable in a humid environment.

[0042] Preferably, a cross-linked low-smoke halogen-free flame-retardant polyolefin elastomer sheath 4 is provided on the outside of the sheath layer 3, which is not only safe and environmentally friendly, but also makes the cable as a whole softer and more wear-resistant, improves the mechanical properties of the cable, and effectively avoids the problem of the cable being easily worn and broken under the action of external forces.

[0043] Preferably, a corrugated tube 5 is provided on the outside of the cross-linked low-smoke halogen-free flame-retardant polyolefin elastomer sheath 4. The provision of the corrugated tube 5 further makes the cable as a whole softer and more wear-resistant, improves the mechanical properties of the cable, and effectively avoids the problem of the cable being easily worn and broken under the action of external forces.

[0044] Preferably, the outer surface of the corrugated tube 5 is uniformly corrugated, which further makes the cable as a whole softer and more wear-resistant, improves the mechanical properties of the cable, and effectively avoids the problem that the cable is easily worn and broken under the action of external forces;

[0045] Preferably, the bellows 5 is preferably a low-smoke, halogen-free cross-linked polyolefin bellows, which is safer and more environmentally friendly in practical applications, reduces production costs, and is deeply loved by customers.

[0046] Preferably, the diameter of the tinned copper conductor 11 is preferably 0.04-0.06 mm. Further, the diameter of the tinned copper conductor is preferably 0.04 mm, 0.05 mm and 0.06 mm. Due to space limitations and for the sake of simplicity, the utility model no longer exhaustively lists the specific point values ​​included in the range. The tinned copper conductor 11 with a smaller diameter can increase the number of conductors inside the cable, thereby increasing the conductor density of the cable; this means that more signals can be transmitted within the same cable volume, which helps to improve the efficiency and capacity of signal transmission.

[0047] Preferably, the core wire 1 includes: a first core wire 14, a second core wire 15, a third core wire 16 and a fourth core wire 17, the first core wire 14 and the second core wire 15 are arranged correspondingly, and the third core wire 16 and the fourth core wire 17 are arranged correspondingly, and the stability and mechanical properties of the cable are improved by the arrangement of the first core wire 14, the second core wire 15, the third core wire 16 and the fourth core wire 17.

[0048] Preferably, the water blocking member 2 includes: a first water blocking member 21, the center of the cable core is filled with cold glue to form the first water blocking member 21, the first core wire 14, the second core wire 15, the third core wire 16 and the fourth core wire 17 are twisted and arranged on the outside of the first water blocking member 21, and the first water blocking member 21 preferably makes the cable safer and more stable when working underwater.

[0049] Preferably, the water blocking member 2 includes: a second water blocking member 22, and the gap between every two adjacent core wires 1 and the wrapping layer 3 is filled with cold glue to form the second water blocking member 22. Preferably, the second water blocking member 22 makes the cable safer and more stable when working underwater.

[0050] It can be understood that the utility model is described by some embodiments, and it is known to those skilled in the art that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of the utility model. In addition, under the teachings of the utility model, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all various changes or equivalent substitutions falling within the scope of the claims of the present application are included. In addition, under the teachings of the utility model, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application belong to the scope protected by the utility model.

Claims

1. A moving water-blocking cable, characterized in that: include: A core wire, a plurality of the core wires are twisted into a cable core, the gaps of the cable core are filled with cold-type glue to form a water-blocking member, and the core wire comprises: a tinned copper conductor, and the outer surface of the tinned copper conductor is provided with a hot-type glue layer and a cross-linked low-smoke halogen-free flame-retardant polyolefin elastomer insulation layer in sequence from the inside to the outside.

2. The motion water-blocking cable according to claim 1, characterized in that: A tape layer is arranged on the outer side of the cable core.

3. The motion water-blocking cable according to claim 2, characterized in that: A cross-linked low-smoke, halogen-free, flame-retardant polyolefin elastomer sheath is arranged outside the tape layer.

4. The motion water-blocking cable according to claim 3, characterized in that: A corrugated tube is arranged on the outer side of the cross-linked low-smoke halogen-free flame-retardant polyolefin elastomer sheath.

5. The motion water-blocking cable according to claim 1, characterized in that: The diameter of the tinned copper conductor is 0.04-0.06 mm.

6. The motion water-blocking cable according to claim 1, characterized in that: The core wires include: a first core wire, a second core wire, a third core wire and a fourth core wire. The first core wire is arranged correspondingly to the second core wire, and the third core wire is arranged correspondingly to the fourth core wire.

7. The motion water-blocking cable according to claim 6, characterized in that: The water blocking member comprises: a first water blocking member, the center of the cable core is filled with cold glue to form the first water blocking member, and the first core wire, the second core wire, the third core wire and the fourth core wire are twisted and arranged outside the first water blocking member.

8. The motion water-blocking cable according to claim 2, characterized in that: The water blocking member comprises: a second water blocking member, and the gap between every two adjacent core wires and the tape layer is filled with cold glue to form the second water blocking member.

9. The motion water-blocking cable according to claim 4, characterized in that: The outer surface of the corrugated pipe is uniformly corrugated.

10. The motion water-blocking cable according to claim 4, characterized in that: The corrugated pipe is a low-smoke halogen-free cross-linked polyolefin corrugated pipe.

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