Umbilical cable capable of reducing compressive load of optical cable

Abstract

The utility model relates to an umbilical cable capable of reducing compressive load of an optical cable. The umbilical cable comprises a sheath layer; an armor layer, wherein the sheath layer is coated on the armor layer; a cable layer; a supporting layer, wherein the cable layer is coated on the supporting layer; the optical cable layer is located between the armor layer and the cable layer, the optical cable layer comprises a plurality of first optical cables and a plurality of first separators, the first optical cables and the first separators are located between the armor layer and the cable layer, the first separators abut against the armor layer and the cable layer, and the first separators abut against the armor layer and the cable layer. The first optical cable abuts against the first separator, a containing space is formed between the cable layer and the armor layer, the first optical cable is located in the containing space, and a gap exists between the first optical cable and the side wall of the containing space. The umbilical cable capable of reducing the compressive load of the optical cable can reduce the compressive load of the optical cable and prevent the optical cable from being damaged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the umbilical structure technical field especially, relates to a kind of umbilical cable for reducing the pressure load of optical cable. BACKGROUND

[0002] Submarine umbilical cable is composed of cable, optical cable and support structure and protection structure, and the umbilical cable is used to provide power for underwater production system, transmit signals and provide conveying channel. The current submarine umbilical cable usually adopts layered protection structure, and after a plurality of optical cables are gathered together, the layered protection structure is covered on the optical cable. Due to the complex seabed environment and terrain, the umbilical cable is pressed, which causes the mutual extrusion between the optical cables and leads to the damage of the optical cables. SUMMARY

[0003] Therefore, the utility model wants to solve the technical problem to provide a kind of umbilical cable for reducing the pressure load of optical cable, which can reduce the pressure load of optical cable and avoid the damage of optical cable.

[0004] To solve the above technical problems, the utility model provides a kind of umbilical cable for reducing the pressure load of optical cable, including: sheath layer;Armour layer, the sheath layer is covered on the armour layer;Cable layer;Support layer, the cable layer is covered on the support layer;Optical cable layer, the optical cable layer is located between the armour layer and the cable layer, the optical cable layer includes a plurality of first optical cables and a plurality of first separators, the first optical cable and the first separator are located between the armour layer and the cable layer, the first separator is in abutment with the armour layer and the cable layer, the first optical cable is in abutment with the first separator, the cable layer and the armour layer form accommodating space, the first optical cable is located in the accommodating space, and there is gap between the first optical cable and the side wall of the accommodating space.

[0005] In an embodiment of the utility model, a plurality of the first optical cables and a plurality of the first separators are alternately arranged along the circumference of the cable layer, the first optical cable is located between two adjacent first separators, and the first optical cable is in abutment with the two adjacent first separators, the diameter of the first separator is greater than the diameter of the first optical cable, and the accommodating space is located between the two adjacent first separators.

[0006] In an embodiment of the utility model, a plurality of the first optical cables and a plurality of the first separators are arranged along the circumference of the support layer, a plurality of the first separators are in abutment, the first separator includes a first accommodating groove, the first optical cable is located in the first accommodating groove, and the first accommodating groove forms an accommodating space.

[0007] In an embodiment of the utility model, the optical cable layer further includes a first support, the first support is located between two adjacent first separators, and the first support is in abutment with the armor layer and the cable layer.

[0008] In an embodiment of the utility model, the sheath layer includes a first sheath and a first wrapping tape, the first sheath is wrapped on the first wrapping tape, and the first wrapping tape is wrapped on the armor layer.

[0009] In an embodiment of the utility model, the armor layer includes a plurality of second separators and second supports which are alternately arranged along the circumference of the optical cable layer, and the diameters of the second separators and the second supports are equal.

[0010] In an embodiment of the utility model, the armor layer has multiple layers, and a second wrapping tape is arranged between adjacent armor layers.

[0011] In an embodiment of the utility model, a second sheath and a third wrapping tape are arranged between the armor layer and the optical cable layer, the third wrapping tape is wrapped on the optical cable layer, the second sheath is wrapped on the third wrapping tape, a fourth wrapping tape is further arranged between the optical cable layer and the cable layer, and the fourth wrapping tape is wrapped on the cable layer.

[0012] In an embodiment of the utility model, the cable layer includes a plurality of conductive cables, a third support is arranged between adjacent conductive cables, a third separator is arranged between the third support and the conductive cables, the third separator is provided with a second accommodating groove, a second optical cable is arranged between the second accommodating groove, the third separator and the third support, and a third sheath is sleeved on the third support.

[0013] In an embodiment of the utility model, the support layer includes a fourth support, a fifth support, a sixth support and a fourth separator, the fourth separator is located between the fourth support, the fifth support and the sixth support, two fourth supports are provided and a fourth sheath is sleeved on the fourth support, a fifth sheath is sleeved on the fifth support, the fifth sheath is in abutment with the conductive cable, the third sheath and the fourth sheath, and the sixth support is in abutment with the conductive cable, the third sheath and the fourth sheath.

[0014] Compared with the prior art, the above technical scheme of the utility model has the following advantages:

[0015] The umbilical cable capable of reducing the pressure load of the optical cable is characterized in that the gap between the first optical cable and the side wall of the accommodating space has a buffering effect, so that the pressure is not directly applied to the first optical cable, the sheath layer, the armored layer and the first partition piece can bear most of the pressure, and the pressure borne by the first optical cable is small, the pressure load of the first optical cable is reduced, and the first optical cable is prevented from being damaged. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to make the content of the utility model more easily understood clearly, the utility model is further explained in detail below according to the specific embodiment of the utility model and combining with the drawings.

[0017] Figure 1 It is the internal structure schematic view of the umbilical cable capable of reducing the pressure load of the optical cable of the utility model;

[0018] Figure 2 It is Figure 1 The local enlarged view of A in Fig.

[0019] Figure 3 It is Figure 1 The internal structure schematic view of another embodiment;

[0020] Figure 4 It is the structure schematic view of the cable layer and the support layer.

[0021] The description of the drawing of the specification is as follows: 1, sheath layer; 2, armored layer; 3, optical cable layer; 4, cable layer; 5, support layer; 11, first sheath; 12, first wrapping tape; 21, second partition piece; 22, second support piece; 23, second wrapping tape; 24, second sheath; 31, third wrapping tape; 32, first optical cable; 33, first partition piece; 34, first support piece; 35, fourth wrapping tape; 36, first accommodating groove; 41, third partition piece; 42, second optical cable; 43, conductive cable; 44, third support piece; 45, third sheath; 51, fourth partition piece; 52, fourth support piece; 53, fourth sheath; 54, fifth support piece; 55, fifth sheath; 56, sixth support piece. PREFERRED EMBODIMENT

[0022] The utility model is further explained below in combination with the drawings and specific embodiments, so that the person skilled in the art can better understand the utility model and can be implemented, but the embodiment is not as the limitation of the utility model.

[0023] Reference Figure 1 And Figure 2As shown, the umbilical cable for reducing pressure load of optical cable comprises: a sheath layer 1; an armored layer 2, the sheath layer 1 is coated on the armored layer 2; a cable layer 4; a support layer 5, the cable layer 4 is coated on the support layer 5; an optical cable layer 3, the optical cable layer 3 is located between the armored layer 2 and the cable layer 4, the optical cable layer 3 comprises a plurality of first optical cables 32 and a plurality of first separators 33, the first optical cables 32 and the first separators 33 are located between the armored layer 2 and the cable layer 4, the first separators 33 abut against the armored layer 2 and the cable layer 4, the first optical cables 32 abut against the first separators 33, a containing space is formed between the cable layer 4 and the armored layer 2, the first optical cables 32 are located in the containing space, and the first optical cables 32 can move in the containing space.

[0024] The umbilical cable for reducing pressure load of optical cable of the embodiment is characterized in that the first separators 33 abut against the armored layer 2 and the cable layer 4, so that the cable layer 4 and the armored layer 2 form a containing space, the first optical cables 32 are located in the containing space, and there is a gap between the first optical cables 32 and the side wall of the containing space, so that when the umbilical cable is subjected to pressure, the gap can buffer the first optical cables 32, the sheath layer 1, the armored layer 2 and the first separators 33 can bear most of the pressure, so that the pressure borne by the first optical cables 32 is small, the pressure load of the first optical cables 32 is reduced, and damage to the first optical cables 32 is avoided.

[0025] The umbilical cable for reducing pressure load of optical cable comprises, from outside to inside, the sheath layer 1, the armored layer 2, the optical cable layer 3, the cable layer 4 and the support layer 5, that is, the sheath layer 1 is coated on the armored layer 2, the armored layer 2 is coated on the optical cable layer 3, the optical cable layer 3 is coated on the cable layer 4, the cable layer 4 is coated on the support layer 5, and the support layer 5 is located at the middle position of the umbilical cable for reducing pressure load of optical cable.

[0026] The sheath layer 1 comprises a first sheath 11 and a first wrapping tape 12, the first sheath 11 is coated on the first wrapping tape 12, the first sheath 11 is located at the outermost layer of the umbilical cable for reducing pressure load of optical cable, and has the functions of pressure resistance, waterproofness and wear resistance. The first wrapping tape 12 is coated on the armored layer 2, and the first wrapping tape 12 is used for separating the first sheath 11 from the armored layer 2.

[0027] The armored layer 2 comprises a plurality of second separators 21 and second supports 22 arranged alternately along the circumference of the optical cable layer 3, the second supports 22 can be regarded as galvanized steel wires, the second separators 21 are made of high-strength elastic polymer material, specifically, the high-strength elastic polymer material can be regarded as polyethylene, so that the second separators 21 have a buffering effect when subjected to pressure, and the second supports 22 can support the second separators 21 to prevent the second separators 21 from deforming too much. The cross sections of the second separators 21 and the second supports 22 are circular and have the same diameter. The first wrapping tape 12 makes the overall structure of the armored layer 2 compact, and the second separators 21 and the second supports 22 are in close contact with each other. Preferably, the armored layer 2 can be provided with multiple layers, and in this embodiment, two armored layers 2 are provided, and a second wrapping tape 23 is arranged between adjacent armored layers 2, the second wrapping tape 23 is used for separating the armored layers 2 and can also improve the compactness of the overall structure of the armored layers 2. Through the arrangement of multiple armored layers 2, the overall pressure resistance of the umbilical cable can be improved.

[0028] The armored layer 2 and the optical cable layer 3 are provided with a second sheath 24 and a third wrapping tape 31, the third wrapping tape 31 is wrapped on the optical cable layer 3, and the second sheath 24 is wrapped on the third wrapping tape 31. The second sheath 24 has a protective and waterproof effect, and the third wrapping tape 31 makes the structure of the optical cable layer 3 more compact.

[0029] The optical cable layer 3 is located between the armored layer 2 and the cable layer 4, and comprises a plurality of first optical cables 32 and a plurality of first separators 33. The first optical cables 32 and the first separators 33 are located between the armored layer 2 and the cable layer 4, the first separators 33 abut against the armored layer 2 and the cable layer 4, the first optical cables 32 abut against the first separators 33, a containing space is formed between the cable layer 4 and the armored layer 2, the first optical cables 32 are located in the containing space, and there is a gap between the first optical cables 32 and the side wall of the containing space. Specifically, the first separators 33 abut against the third wrapping tape 31, the plurality of first optical cables 32 and the plurality of first separators 33 are arranged alternately along the circumference of the support layer 5 and surround the outer side of the cable layer 4 for one turn, the first optical cables 32 are located between the adjacent two first separators 33 and abut against the adjacent two first separators 33. The cross sections of the first optical cables 32 and the first separators 33 are circular, and the diameter of the first separators 33 is greater than that of the first optical cables 32. The containing space is located between the adjacent two first separators 33, so that the first optical cables 32 are clamped between the two first separators 33, and there is a gap between the first optical cables 32 and the armored layer 2 and the cable layer 4. When the umbilical cable is subjected to pressure, the gap between the first optical cables 32 and the armored layer 2 and the cable layer 4 has a buffering effect, so that the pressure is not directly applied to the first optical cables 32, thereby reducing the pressure borne by the first optical cables 32 and reducing the pressure load of the first optical cables 32, and damage to the first optical cables 32 is avoided.

[0030] Referring toFigure 3 As shown, in another embodiment, the plurality of first optical cables 32 and the plurality of first separators 33 are arranged along the circumference of the support layer 5, the plurality of first separators 33 abut each other, the first separator 33 comprises a first accommodating groove 36, the first accommodating groove 36 is located on the side of the first separator 33 close to the cable layer 4, so that the cross section of the first separator 33 is saddle-shaped, thereby reducing the gap between the first separators 33, optimizing the layout density and space utilization efficiency of the umbilical cable. The first optical cable 32 is located in the first accommodating groove 36, the first accommodating groove 36 constitutes an accommodating space, the first accommodating groove 36 is half-hemispherical, and the width of the first accommodating groove 36 is greater than the diameter of the first optical cable 32, so that there is a gap between the first optical cable 32 and the side wall of the first accommodating groove 36. When the umbilical cable is subjected to extrusion, the gap between the first optical cable 32 and the first accommodating groove 36 has a buffering effect, so that the pressure is not directly applied to the first optical cable 32, and the first accommodating groove 36 constitutes an approximately arched mechanical support structure, which can improve the stability of the overall structure, convert part of the radial pressure into circumferential pressure, thereby reducing stress concentration, reducing the pressure borne by the first optical cable 32, and reducing the pressure load of the first optical cable 32. Avoid damaging the first optical cable 32.

[0031] The optical cable layer 3 further comprises a first support 34, which can be regarded as a metal pipe. The first support 34 is located between two adjacent first separators 33, and abuts the armor layer 2 and the cable layer 4. The first support 34 can be provided in plurality, and is used to support the first optical cable 32 and the first separator 33.

[0032] The fourth wrapping tape 35 is wrapped on the cable layer 4, and the first separator 33 abuts the fourth wrapping tape 35. The fourth wrapping tape 35 makes the structure of the cable layer 4 more compact, and also has a separating effect on the cable layer 4 and the optical cable layer 3.

[0033] Referring to Figure 4 As shown, the cable layer 4 comprises a plurality of conductive cables 43, and the cross section of the conductive cable 43 is circular. The cable layer 4 comprises a plurality of conductive cables 43, and in this embodiment, four conductive cables 43 are provided. The third support 44 is provided between the adjacent conductive cables 43, and can be regarded as a metal pipe. The third support 44 is sleeved with a third sheath 45, and the third support 44 abuts the conductive cable 43. The third separator 41 is provided between the third support 44 and the conductive cable 43, and abuts the fourth wrapping tape 35, the third support 44 and the conductive cable 43. The second accommodating groove is provided on the side of the third separator 41 away from the fourth wrapping tape 35. The second optical cable 42 is provided in the cavity between the second accommodating groove, the third separator 41 and the third support 44, and there is a gap between the second optical cable 42 and the side wall of the cavity.

[0034] The support layer 5 comprises a fourth support 52, a fifth support 54, a sixth support 56 and a fourth partition 51, wherein the fourth support 52, the fifth support 54 and the sixth support 56 can be regarded as metal tubes, the fourth support 52 is provided with two and is oppositely arranged, the fifth support 54 and the sixth support 56 are oppositely arranged, the fourth partition 51 is located between the fourth support 52, the fifth support 54 and the sixth support 56, the material of the first partition 33, the third partition 41 and the fourth partition 51 is the same as that of the second partition 21, and details are not repeated. The fourth support 52 is sleeved with a fourth sheath 53, the fifth support 54 is sleeved with a fifth sheath 55, the fifth sheath 55 abuts against the conductive cable 43, the third sheath 45 and the fourth sheath 53, the sixth support 56 abuts against the conductive cable 43, the third sheath 45 and the fourth sheath 53, through the arrangement of the third sheath 45, the fourth sheath 53 and the fifth sheath 55, direct mutual extrusion between the third support 44, the fourth support 52, the fifth support 54 and the sixth support 56 is avoided, and the supports have buffering between them through the arrangement of the sheaths, so that deformation of the supports is avoided.

[0035] The umbilical cable for reducing the pressure load of the optical cable of the utility model, through the arrangement of the containing space with the size greater than the diameter of the first optical cable 32, the gap between the first optical cable 32 and the side wall of the containing space has the buffering effect, so that the pressure cannot directly act on the first optical cable 32, the sheath layer 1, the armored layer 2 and the first partition 33 can bear most of the pressure, and then the pressure borne by the first optical cable 32 is smaller, the pressure load of the first optical cable 32 is reduced, and the first optical cable 32 is prevented from being damaged.

[0036] Obviously, the above embodiments are only examples for clearly illustrating, and are not limitation to the embodiments. For ordinary skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, all the embodiments need not and cannot be exhausted. The obvious changes or variations derived therefrom are still within the protection scope of the utility model.

Claims

1. An umbilical cable for reducing compressive load on optical cables, characterized in that, include: Sheath layer; An armor layer, wherein the sheath layer covers the armor layer; Cable layer; A support layer, on which the cable layer covers; An optical fiber layer is located between the armor layer and the cable layer. The optical fiber layer includes a plurality of first optical fibers and a plurality of first spacers. The first optical fibers and the first spacers are both located between the armor layer and the cable layer. The first spacers abut against the armor layer and the cable layer. The first optical fibers abut against the first spacers. The cable layer and the armor layer form a receiving space. The first optical fibers are located within the receiving space, and there is a gap between the first optical fibers and the sidewall of the receiving space.

2. The umbilical cable for reducing compressive load on optical cables according to claim 1, characterized in that: Multiple first optical cables and multiple first separators are alternately arranged along the circumference of the cable layer. The first optical cable is located between two adjacent first separators and abuts against two adjacent first separators. The diameter of the first separator is larger than the diameter of the first optical cable. The accommodating space is located between two adjacent first separators.

3. The umbilical cable for reducing compressive load on optical cables according to claim 1, characterized in that: Multiple first optical cables and multiple first separators are arranged circumferentially along the support layer. The multiple first separators abut against each other. Each first separator includes a first receiving groove. The first optical cables are located in the first receiving groove, and the first receiving groove forms a receiving space.

4. The umbilical cable for reducing compressive load on optical cables according to claim 1, characterized in that: The optical cable layer further includes a first support member, which is located between two adjacent first separators and abuts against the armor layer and the cable layer.

5. The umbilical cable for reducing compressive load on optical cables according to claim 1, characterized in that: The sheath layer includes a first sheath and a first wrapping tape, the first sheath covering the first wrapping tape, and the first wrapping tape covering the armor layer.

6. The umbilical cable for reducing compressive load on optical cables according to claim 1, characterized in that: The armor layer includes a plurality of second separators and second supports arranged alternately along the circumference of the optical cable layer, wherein the diameters of the second separators and the second supports are equal.

7. The umbilical cable for reducing compressive load on optical cables according to claim 6, characterized in that: The armor layer has multiple layers, and a second wrapping strap is provided between adjacent armor layers.

8. The umbilical cable for reducing compressive load on optical cables according to claim 1, characterized in that: A second sheath and a third wrapping tape are provided between the armor layer and the optical cable layer. The third wrapping tape covers the optical cable layer, and the second sheath covers the third wrapping tape. A fourth wrapping tape is also provided between the optical cable layer and the cable layer, and the fourth wrapping tape covers the cable layer.

9. The umbilical cable for reducing compressive load on optical cables according to claim 1, characterized in that: The cable layer includes multiple conductive cables, a third support member is provided between adjacent conductive cables, a third separator is provided between the third support member and the conductive cables, the third separator is provided with a second receiving groove, a second optical cable is provided between the second receiving groove, the third separator and the third support member, and a third sheath is provided on the third support member.

10. The umbilical cable for reducing compressive load on optical cables according to claim 9, characterized in that: The support layer includes a fourth support member, a fifth support member, a sixth support member, and a fourth partition member. The fourth partition member is located between the fourth support member, the fifth support member, and the sixth support member. There are two fourth support members, and a fourth sheath is fitted on the fourth support member. A fifth sheath is fitted on the fifth support member. The fifth sheath abuts against the conductive cable, the third sheath, and the fourth sheath. The sixth support member abuts against the conductive cable, the third sheath, and the fourth sheath.

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