Uvioresistant high flame retardant and sludge resistant special cable for extreme environment of deep sea equipment

Abstract

The application discloses a kind of far sea equipment extreme environment with ultraviolet-resistant high flame-retardant oil mud-resistant special cable, from outside to inside, including outer sheath, armoring layer, inner sheath and wrapping layer in turn, wrapping layer has center cable body, multiple first support units, multiple first filling units, multiple second support units and multiple second filling units.The special cable of the application can be used in equipment in marine environment, can be used in extreme environment, has good ultraviolet resistance, oil mud resistance, high flame-retardant characteristics.Has radial reinforcing plate, first support unit and second support unit, so that the cable has better pressure resistance.Multiple water absorption ropes are provided, so as to have better water blocking effect, multiple anti-tension ropes are provided, so that the cable has better tensile effect.First support plate and second support plate are provided, so as to avoid the bite of marine organisms.When the outside of the cable is damaged, it can be detected, so as to remind timely maintenance.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cables, and more particularly to a kind of special cable for deep sea equipment extreme environment with high UV resistance, high flame resistance and oil mud resistance. BACKGROUND

[0002] As an important power and signal transmission device, cables play a crucial role in modern society. They are widely used in power, communication, transportation, construction, petroleum and chemical industries, and other fields, and are one of the indispensable infrastructures in modern society.

[0003] Existing cables may face multiple challenges such as high temperature, low temperature, strong corrosion, strong radiation, and water penetration in deep sea extreme environments. These extreme conditions can accelerate the aging of cable insulation materials, reduce signal transmission performance, and even cause serious problems such as breakage or short circuit. These problems can significantly shorten the service life of the cable and make its performance unstable, thereby affecting the normal operation of deep sea equipment. The water pressure in deep sea environment is extremely high, which puts high requirements on the pressure resistance of the cable. If the pressure resistance of the cable is insufficient, the cable may be deformed, broken or internally short-circuited due to the inability to withstand the huge water pressure, thereby affecting the normal operation of deep sea equipment. In marine environments, marine organisms such as fish and shellfish may bite the cable, causing damage to the outer side of the cable or the insulation layer. These damages not only affect the transmission performance of the cable, but also may cause short circuit, electric leakage and other safety hazards. After the cable is damaged, it is often difficult to be discovered in time, leading to continuous expansion of the fault and affecting the use of the cable. SUMMARY

[0004] The present application aims to overcome the defects of the prior art and provide a kind of special cable for deep sea equipment extreme environment with high UV resistance, high flame resistance and oil mud resistance.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solution: a kind of cable, from outside to inside, including outer sheath, armor layer, inner sheath and wrapping layer, the wrapping layer has center cable body, a plurality of first support units, a plurality of first filling units, a plurality of second support units and a plurality of second filling units;The number of first support units, first filling units, second support units and second filling units is equal;The center cable body includes cable body sheath and a plurality of cable cores located in the cable body sheath, the cable core from outside to inside includes insulation layer, fire-resistant layer and conductor.

[0006] Further, the cable sheath comprises a sheath body, a plurality of first protrusions and a plurality of second protrusions, the plurality of first protrusions and the plurality of second protrusions are connected with the sheath body, the plurality of first protrusions and the plurality of second protrusions are alternately distributed, the cable sheath has a plurality of radial reinforcing units, the number of the radial reinforcing units is equal to the number of the first protrusions and one-to-one correspondence, the radial reinforcing unit comprises a T-shaped skeleton jacket, the radial reinforcing unit has a radial reinforcing plate and two first tensile ropes; each second protrusion is fixedly connected with two radial buffer plates, the second protrusion has a first mounting groove between the two radial buffer plates, at least one second protrusion is provided with a first detection cable in the first mounting groove.

[0007] Further, the plurality of first support units and the plurality of first filling units surround the central cable and are alternately distributed; each first support unit faces one first protrusion, and each second support unit faces one second protrusion, the first support unit comprises two first abutting plates, two wrapping plates and two first support plates, the first abutting plate abuts the sheath body, the first protrusion is located between the two wrapping plates and is abutted by the two wrapping plates, the two first support plates are connected with each other, and each wrapping plate connects one first support plate and one first abutting plate; the first filling unit comprises two first plate bodies, two second plate bodies, two third plate bodies, two fourth plate bodies and a fifth plate body connecting the two fourth plate bodies, the second plate body connects the first plate body and the third plate body, the third plate body connects the second plate body and the fourth plate body, the first plate body abuts the first abutting plate and the wrapping plate, the second plate body abuts the first support plate, and the second protrusion is located between the two first plate bodies.

[0008] Further, the included angle between the two first support plates of the first support unit is less than 30 degrees.

[0009] Thus, a sharp blade-like shape can be formed in the first support unit.

[0010] Further, the first detection cable has 2.

[0011] Further, each second support unit faces a first filling unit, the second support unit comprises an insertion plate and a second support plate with a triangular cross section connected with the insertion plate, the insertion plate is located between two fourth plate bodies of the corresponding first filling unit; the second filling unit comprises two second abutting plates, two first connecting plates, two second connecting plates and a third connecting plate connecting the two second connecting plates, the first connecting plate connects the second abutting plate and the second connecting plate, the second connecting plate connects the first connecting plate and the third connecting plate, the second abutting plate abuts the first filling unit, the first connecting plate abuts the second support plate, and the second mounting groove is formed between the third connecting plate and the two second connecting plates; the first filling unit is filled with a plurality of first water absorption ropes, and the second filling unit is filled with a plurality of second water absorption ropes.

[0012] Therefore, the plurality of water absorption ropes can improve the moisture-proof effect of the cable.

[0013] Further, the first detection cable and the second detection cable each comprise an insulating layer and a conductor unit located in the insulating layer.

[0014] Further, the radial reinforcing plate and the radial buffer plate each extend along the length direction of the central cable body.

[0015] Further, the first mounting groove and the second mounting groove each extend along the length direction of the central cable body.

[0016] Further, the first support unit and the first filling unit each extend along the length direction of the central cable body.

[0017] Further, the second support unit and the second filling unit each extend along the length direction of the central cable body.

[0018] Further, at least one of the plurality of second mounting grooves is mounted with a second anti-tension rope, and at least one is mounted with a second detection cable.

[0019] Therefore, the overall anti-tension effect of the cable is improved.

[0020] Further, the second anti-tension rope has 6, and the second detection cable has 2.

[0021] Further, the framework layer is made of nylon material; the first filling unit and the second filling unit are each made of polyvinyl chloride material; the radial reinforcing plate, the first support unit and the second support unit are each made of stainless steel material.

[0022] Further, the insulating layer is a polyethylene insulating layer, the fire-resistant layer is made of low-smoke halogen-free flame-retardant material, the wrapping layer is a water-blocking wrapping layer, the armor layer is a steel wire armor layer, and the outer sheath is made of polyvinyl chloride material.

[0023] Further, the first water absorption rope and the second water absorption rope are both made of polyester fiber material; the inner protective layer is made of aluminum plastic composite material; and the cable body protective layer is made of chloroprene rubber.

[0024] Therefore, the cable has good water resistance, ultraviolet resistance, oil mud resistance, and high flame resistance.

[0025] Beneficial effects:

[0026] 1. The special cable of the present application can be used in equipment in marine environments and can be used in extreme environments, has good ultraviolet resistance, oil mud resistance, and high flame resistance.

[0027] 2. The special cable of the present application has a radial reinforcing plate, a first support unit, and a second support unit, so that the cable has better pressure resistance.

[0028] 3. The special cable of the present application has a plurality of water absorption ropes, so that it has better water resistance and prolongs the service life of the cable.

[0029] 4. The special cable of the present application has a plurality of anti-tension ropes, so that the cable has better anti-tension effect and is more suitable for cable dragging.

[0030] 5. The special cable of the present application has a first support plate and a second support plate, so as to avoid the bite of marine organisms.

[0031] 6. The special cable of the present application can be detected when the outer side of the cable is damaged, so as to remind timely maintenance. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 is a schematic view of a cable cross section;

[0033] Figure 2 is an enlarged view of area A;

[0034] Figure 3 is a schematic view of a cable in three dimensions;

[0035] Figure 4 is an enlarged view of area B;

[0036] Figure 5 is an enlarged view of area C;

[0037] Figure 6 is a first perspective view of the central cable body and part of the first support unit, the first filling unit, the second support unit, and the second filling unit;

[0038] Figure 7 is an enlarged view of area D;

[0039] Figure 8is a close-up view of region E;

[0040] Figure 9 is a second perspective view showing the central cable and the partial first support unit, first filler unit, second support unit and second filler unit components separately;

[0041] Figure 10 is a close-up view of region F.

[0042] Explanation of reference numerals: outer sheath 1.1; armor layer 1.2; inner sheath layer 1.3; wrapping layer 1.4; sheath body 2.1; first protruding portion 2.2; second protruding portion 2.3; first mounting groove 2.3.1; skeleton wrapping layer 2.4; radial reinforcing plate 2.5; first tensile cord 2.6; radial buffer plate 2.7; conductor 3.1; fire-resistant layer 3.2; insulating layer 3.3; first detection cable 4; first abutment plate 5.1; wrapping plate 5.2; first support plate 5.3; first plate body 6.1; second plate body 6.2; third plate body 6.3; fourth plate body 6.4; fifth plate body 6.5; first water-absorbing cord 6.6; plug-in plate 7.1; second support plate 7.2; second abutment plate 8.1; first connecting plate 8.2; second connecting plate 8.3; third connecting plate 8.4; second water-absorbing cord 8.5; second tensile cord 8.6; second detection cable 9. DETAILED DESCRIPTION

[0043] Embodiments of the present application are described below in detail, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the accompanying drawings are exemplary and are intended to explain the present application, and cannot be understood as limiting the present application.

[0044] The application provides a kind of special cable for extreme environment of deep sea equipment, which comprises outer sheath 1.1, armor layer 1.2, inner sheath 1.3 and wrapping layer 1.4 from outside to inside, the wrapping layer 1.4 has center cable body, multiple first support units, multiple first filling units, multiple second support units and multiple second filling units; the number of first support units, first filling units, second support units and second filling units is equal; the center cable body comprises cable sheath and multiple cable cores in the cable sheath, which comprises insulating layer 3.3, fire-resistant layer 3.2 and conductor 3.1 from outside to inside. The cable sheath comprises sheath body 2.1, multiple first protrusions 2.2 and multiple second protrusions 2.3, multiple first protrusions 2.2 and multiple second protrusions 2.3 are connected with the sheath body 2.1, multiple first protrusions 2.2 and multiple second protrusions 2.3 are alternately distributed, the cable sheath has multiple radial reinforcement units, the number of radial reinforcement units is equal to the number of first protrusions 2.2 and one-to-one correspondence, the radial reinforcement unit comprises skeleton jacket 2.4 with T-shaped cross section, the skeleton jacket 2.4 has radial reinforcing plate 2.5 and two first anti-tension ropes 2.6; each second protrusion 2.3 is fixedly connected with two radial buffer plates 2.7, the second protrusion 2.3 has first mounting groove 2.3.1 between two radial buffer plates 2.7, and at least one second protrusion 2.3 has first detection cable 4 in the first mounting groove 2.3.1.

[0045] The first support units and the first filling units surround the central cable and are alternately distributed; each first support unit faces one first protruding part 2.2, each second support unit faces one second protruding part 2.3, the first support unit comprises two first abutting plates 5.1, two wrapping plates 5.2 and two first support plates 5.3, the first abutting plate 5.1 abuts the sheath body 2.1, the first protruding part 2.2 is located between and abutted by two wrapping plates 5.2, two first support plates 5.3 are connected to each other, and each wrapping plate 5.2 connects one first support plate 5.3 and one first abutting plate 5.1; the first filling unit comprises two first plate bodies 6.1, two second plate bodies 6.2, two third plate bodies 6.3, two fourth plate bodies 6.4 and a fifth plate body 6.5 connecting the two fourth plate bodies 6.4, the second plate body 6.2 connects the first plate body 6.1 and the third plate body 6.3, the third plate body 6.3 connects the second plate body 6.2 and the fourth plate body 6.4, the first plate body 6.1 abuts the first abutting plate 5.1 and the wrapping plate 5.2, the second plate body 6.2 abuts the first support plate 5.3, and the second protruding part 2.3 is located between two first plate bodies 6.1. Each second support unit faces one first filling unit, the second support unit comprises an insertion plate 7.1 and a second support plate 7.2 with a triangular cross section connected to the insertion plate 7.1, and the insertion plate 7.1 is located between two fourth plate bodies 6.4 of the corresponding first filling unit; the second filling unit comprises two second abutting plates 8.1, two first connecting plates 8.2, two second connecting plates 8.3 and a third connecting plate 8.4 connecting the two second connecting plates 8.3, the first connecting plate 8.2 connects the second abutting plate 8.1 and the second connecting plate 8.3, the second connecting plate 8.3 connects the first connecting plate 8.2 and the third connecting plate 8.4, the second abutting plate 8.1 abuts the first filling unit, the first connecting plate 8.2 abuts the second support plate 7.2, and a second mounting groove is formed between the third connecting plate 8.4 and the two second connecting plates 8.3; a plurality of first water absorption ropes 6.6 are filled in the first filling unit, and a plurality of second water absorption ropes 8.5 are filled in the second filling unit.

[0046] At least one of the plurality of second installation grooves is installed with a second anti-tension rope 8.6, and at least one is installed with a second detection cable 9. The skeleton sheath 2.4 is made of nylon material; the first and second filling units are both made of polyvinyl chloride material; the radial reinforcing plate 2.5, the first and second support units are all made of stainless steel material. The insulation layer 3.3 is a polyethylene insulation layer, the fire-resistant layer 3.2 is made of low-smoke halogen-free flame-retardant material, the wrapping layer 1.4 is a water-blocking wrapping layer, the armor layer 1.2 is a steel wire armor layer, and the outer sheath 1.1 is made of polyvinyl chloride material. The first and second water-absorbing ropes 6.6 and 8.5 are both made of polyester fiber material; the inner sheath 1.3 is made of aluminum-plastic composite material; and the cable body sheath is made of chloroprene rubber.

[0047] Working principle: the cable of the application can be used in equipment in marine environment, can be used in extreme environment, has good oil sludge resistance, high flame resistance. And the center cable body of the application has a plurality of first protruding parts and a plurality of second protruding parts, the first protruding part has a radial reinforcing plate inside, and the first supporting unit forms a shape similar to a sharp blade, and the second supporting unit has a shape similar to a sharp blade, so that the cable as a whole has better pressure resistance, and the first and second supporting units form a shape similar to a sharp blade, which can effectively avoid the biting of marine organisms on the cable. In addition, the cable has a plurality of first anti-tension ropes and a plurality of second anti-tension ropes, so that the cable has better tensile effect, so as to better adapt to the dragging of the cable. And the cable has a plurality of first filling units and a plurality of second filling units, the plurality of first filling units can be matched and installed with the plurality of first supporting units, the plurality of second filling units can be matched and installed with the plurality of second supporting units, and the first filling unit and the second filling unit both have space, so that the space is filled with water absorption rope, so as to have better moisture-proof effect. In addition, the cable is provided with a first detection cable and a second detection cable, when the outside of the cable is damaged, or is pressed by a large force, the second detection cable is damaged (the second detection cable can be used to transmit detection signals, when the detection signals fail, it means that the second detection cable is damaged), and the first detection cable can be used to judge whether the position deeper in the radial direction of the cable is damaged (the first detection cable can be used to transmit detection signals, when the detection signals transmitted by the first detection cable fail, it means that the first detection cable is damaged). Therefore, the first and second detection cables can be used to judge the damage of the cable, when the first and second detection cables are not damaged, it means that the cable is in good running condition. When the second detection cable is damaged and the first detection cable is not damaged, it means that the cable is slightly damaged; when the first and second detection cables are both damaged, it means that the cable is deeply damaged. And the first installation groove of the first detection cable has radial buffer plates on both sides, so that the normal seawater pressure on the cable in the radial direction is buffered by the radial buffer plates and will not cause damage to the first detection cable, but when bitten by marine organisms or dragged by a strong force, the first detection cable will be damaged, so as to timely detect that the cable is deeply damaged, thereby reminding the maintenance of the cable.

[0048] Although the application is illustrated and described in detail by the preferred embodiments, those skilled in the art should understand that various changes and modifications can be made to the application without departing from the scope defined by the claims of the application.

Claims

1. A special cable for extreme environments of deep sea equipment with high resistance to UV, high flame resistance and resistance to tar, characterized in that, From outside to inside, the cable includes an outer sheath, an armor layer, an inner sheath layer and a wrapping layer, the wrapping layer has a central cable body, a plurality of first support units, a plurality of first filling units, a plurality of second support units and a plurality of second filling units; the number of first support units, first filling units, second support units and second filling units is equal; the central cable body includes a cable sheath and a plurality of cable cores in the cable sheath, the cable core includes, from outside to inside, an insulation layer, a fire-resistant layer and a conductor; The cable sheath includes a sheath body, a plurality of first protrusions and a plurality of second protrusions, the plurality of first protrusions and the plurality of second protrusions are connected with the sheath body, the plurality of first protrusions and the plurality of second protrusions are alternately distributed, the cable sheath has a plurality of radial reinforcement units, the number of radial reinforcement units is equal to the number of first protrusions and one-to-one correspondence, the radial reinforcement unit includes a T-shaped skeleton jacket layer, the skeleton jacket layer has a radial reinforcement plate and two first anti-tension ropes; each second protrusion is fixedly connected with two radial buffer plates, the second protrusion has a first mounting groove between the two radial buffer plates, at least one first detection cable is installed in the first mounting groove of the second protrusion; The plurality of first support units and the plurality of first filling units surround the central cable body and are alternately distributed; each first support unit faces one first protrusion, and each second support unit faces one second protrusion, the first support unit includes two first abutting plates, two wrapping plates and two first support plates, the first abutting plate abuts the sheath body, the first protrusion is located between the two wrapping plates and is abutted by the two wrapping plates, the two first support plates are connected with each other, and each wrapping plate is connected with one first support plate and one first abutting plate; the first filling unit includes two first plate bodies, two second plate bodies, two third plate bodies, two fourth plate bodies and a fifth plate body connecting the two fourth plate bodies, the second plate body connects the first plate body and the third plate body, the third plate body connects the second plate body and the fourth plate body, the first plate body abuts the first abutting plate and the wrapping plate, the second plate body abuts the first support plate, and the second protrusion is located between the two first plate bodies; Each second support unit faces one first filling unit, the second support unit comprises an insertion plate and a second support plate with a triangular cross section connected with the insertion plate, the insertion plate is located between two fourth plate bodies of the corresponding first filling unit; the second filling unit comprises two second abutting plates, two first connecting plates, two second connecting plates and a third connecting plate connecting the two second connecting plates, the first connecting plate connects the second abutting plate and the second connecting plate, the second connecting plate connects the first connecting plate and the third connecting plate, the second abutting plate abuts the first filling unit, the first connecting plate abuts the second support plate, and the third connecting plate and the two second connecting plates form a second mounting groove; a plurality of first water absorption ropes are filled in the first filling unit, and a plurality of second water absorption ropes are filled in the second filling unit.

2. The deep sea equipment extreme environment ultraviolet resistant high flame retardant and sludge resistant special cable according to claim 1, characterized in that, At least one of the plurality of second mounting grooves is mounted with a second anti-tension rope, and at least one is mounted with a second detection cable.

3. The deep sea equipment extreme environment ultraviolet resistant high flame retardant and sludge resistant special cable according to claim 1, characterized in that, The skeleton sheath is made of nylon material; the first filling unit and the second filling unit are both made of polyvinyl chloride material; the radial reinforcing plate, the first support unit and the second support unit are all made of stainless steel material.

4. The ultra-violet resistant, high flame resistant, and sludge resistant special cable for extreme environment of deep sea equipment according to claim 1, characterized in that, The insulation layer is a polyethylene insulation layer, the fire-resistant layer is made of low-smoke halogen-free flame-retardant material, the wrapping layer is a water-blocking wrapping layer, the armor layer is a steel wire armor layer, and the outer sheath is made of polyvinyl chloride material.

5. The ultra violet resistant, high flame resistant, and sludge resistant special cable for extreme environment of deep sea equipment according to claim 1, characterized in that, The first water absorption rope and the second water absorption rope are both made of polyester fiber material; the inner protective layer is made of aluminum-plastic composite material; and the cable body protective layer is made of chloroprene rubber.

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