Umbilical cord composite cable for underwater equipment
By designing a multi-layer structure underwater equipment umbilical cord composite cable, integrating signal, energy and fluid transmission, and through water blocking isolation layer and protective layer, the problem of insufficient transmission safety and capacity in the underwater environment is solved, achieving higher transmission security and utilization.
Patent Information
- Application Number
- CN202421300419.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-07
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-06-07
AI Technical Summary
Existing underwater umbilical cord cables are difficult to ensure transmission safety and improve transmission capacity in complex underwater environments. Especially when facing pulling, torsion, vibration and corrosion, the transmission capacity is insufficient and cannot meet the ever-increasing underwater operation needs. .
A composite cable of underwater equipment is designed, including a cable core skeleton, signal cable core, energy control cable core, fluid transmission tube, water barrier isolation layer and outer sheath. Through the multi-layer structure and specific layout of the cable core skeleton, Achieve integrated transmission of signals, energy and fluids, and improve overall stability and safety through water-blocking isolation layers and sheaths.
In the underwater environment of repeated vibration, pulling and fluctuation, the safety and utilization of integrated line transmission are improved, and the transmission capacity of underwater equipment and the stability of the overall components are enhanced.
Smart Images
Figure CN222300343U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cables, in particular to an umbilical composite cable for underwater equipment. Background Art
[0002] With the development of the industrial field and the continuous increase in human exploration and activities, underwater operations have become an increasingly important engineering application activity. Underwater geological exploration, underwater danger detection, underwater cleaning and other underwater operations are carried out by controlling underwater equipment through the surface control base station to perform specific operations. The transmission control components between the surface control base station and the underwater equipment are the key to ensuring the energy supply and signal transmission of underwater equipment.
[0003] At present, umbilical cables are usually used to connect surface control base stations and underwater equipment. In practical applications, on the one hand, due to the complex underwater environment, umbilical cables need to withstand various pulling, torsion, vibration, immersion in various water bodies and even corrosion during service; on the other hand, due to the increasing complexity of underwater operations, the requirements for line transmission capacity are also constantly increasing.
[0004] How to improve the transmission capacity and integration while ensuring the transmission safety of the umbilical cable is an urgent problem to be solved. Utility Model Content
[0005] In view of this, in order to overcome the deficiencies of the prior art, the utility model aims to provide an underwater equipment umbilical composite cable.
[0006] The utility model provides an underwater equipment umbilical composite cable, which comprises a cable core skeleton, a signal cable core, a plurality of energy control cable cores, a plurality of fluid transmission tubes, a water-blocking isolation layer, an inner sheath and an outer sheath, wherein the cable core skeleton comprises an inner skeleton and an outer skeleton, a plurality of skeleton walls are integrally connected and circumferentially distributed between the inner skeleton and the outer skeleton, the signal cable core is coaxially arranged in a first assembly cavity inside the inner skeleton, a plurality of energy control cable cores are correspondingly arranged one by one in a second assembly cavity between adjacent skeleton walls, a plurality of fluid transmission tubes are correspondingly distributed one by one in a gap between the energy control cable core and the second assembly cavity, the inner sheath and the outer sheath are coaxially arranged on the outer side of the cable core skeleton in sequence, and the water-blocking isolation layer is arranged in a gap between the inner sheath and the cable core skeleton.
[0007] Preferably, in the underwater equipment umbilical composite cable of the utility model, the inner frame of the cable core frame is annular as a whole, and the thickness of the frame wall is not less than the thickness of the inner frame.
[0008] Preferably, in the underwater equipment umbilical composite cable of the utility model, the outer side skeleton of the cable core skeleton is composed of a plurality of first arc segments and a plurality of second arc segments, the first arc segments are adjacently arranged and integrally connected to the second arc segments, and the arc height of the second arc segments is greater than the arc height of the first arc segments.
[0009] Preferably, in the underwater equipment umbilical composite cable of the utility model, the thickness of the outer frame of the cable core frame is less than the thickness of the frame wall.
[0010] Preferably, in the underwater equipment umbilical composite cable of the utility model, the signal cable core includes a central tube, a plurality of twisted signal wire groups, a plurality of optical unit signal wire cores and a signal cable core insulation layer, the plurality of twisted signal wire groups and the plurality of optical unit signal wire cores are circumferentially arranged at intervals on the outside of the central tube, and the signal cable core insulation layer is coated on the outside of the central tube, the plurality of twisted signal wire groups and the plurality of optical unit signal wire cores.
[0011] Preferably, in the underwater equipment umbilical composite cable of the utility model, the twisted signal wire group includes a first signal wire core, a second signal wire core and a signal wire group insulation layer coated on the outside of the first signal wire core and the second signal wire core, the first signal wire core is composed of a first signal wire core conductor and a first signal wire core insulation layer coated on the outside of the first signal wire core conductor, the second signal wire core is composed of a second signal wire core conductor and a second signal wire core insulation layer coated on the outside of the second signal wire core conductor, and the outer diameters of the first signal wire core and the second signal wire core are equal.
[0012] Preferably, in the underwater equipment umbilical composite cable of the utility model, the optical unit signal core includes multiple optical fiber units and an optical unit signal core insulation layer coated on the outside of the multiple optical fiber units, and an optical fiber unit protective paste is arranged inside the optical unit signal core insulation layer and between the optical fiber units.
[0013] Preferably, in the underwater equipment umbilical composite cable of the utility model, the energy control cable core includes two energy transmission cores, two control cores and an energy control cable core insulation layer coated on the outside of the two energy transmission cores and the two control cores, the two energy transmission cores are symmetrically arranged, and the control cores are respectively arranged in the gap between the two energy transmission cores and the energy control cable core insulation layer.
[0014] Preferably, in the underwater equipment umbilical composite cable of the utility model, the energy transmission core is composed of an energy transmission core conductor and an energy transmission core insulation layer coated on the outside of the energy transmission core conductor.
[0015] Preferably, in the underwater equipment umbilical composite cable of the utility model, the control core is composed of a control core conductor and a control core insulation layer coated on the outside of the control core conductor.
[0016] The underwater equipment umbilical composite cable of the utility model is used to stably isolate and assemble the signal cable core, the energy control cable core and the fluid transmission tube through the cable core skeleton, and realize the integration of signal transmission, energy transmission, control transmission and fluid transmission through the specific structural settings of the signal cable core, the energy control cable core and the fluid transmission tube. The stability and service safety of the overall component are realized through the settings of the cable core skeleton, the water-blocking isolation layer, the inner sheath and the outer sheath. When the underwater equipment umbilical composite cable of this embodiment is used as a transmission component of underwater equipment, it can realize integrated line transmission in an underwater application environment with repeated vibration, pulling and fluctuation, thereby improving the safety and line utilization of the underwater equipment transmission line. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0018] Figure 1 It is a structural schematic diagram of an underwater equipment umbilical composite cable according to an embodiment of the utility model;
[0019] Figure 2 This is a structural example diagram of a cable core skeleton of an underwater equipment umbilical composite cable according to an embodiment of the utility model;
[0020] Figure 3 This is a structural example diagram of a signal cable core of an underwater equipment umbilical composite cable according to an embodiment of the utility model;
[0021] Figure 4 This is a structural example diagram of a twisted pair signal line group of an underwater equipment umbilical composite cable according to an embodiment of the utility model;
[0022] Figure 5 This is a structural example diagram of an energy control cable core of an underwater equipment umbilical composite cable according to an embodiment of the utility model;
[0023] In the figure, 1-cable core skeleton, 2-signal cable core, 3-energy control cable core, 4-fluid transmission tube, 5-water blocking isolation layer, 6-inner sheath, 7-outer sheath, 11-inner skeleton, 12-skeleton wall, 13-outer skeleton, 131-first arc segment, 132-second arc segment, 14-first assembly cavity, 15-second assembly cavity, 21-central tube, 22-twisted signal line group, 23-optical unit signal line core, 24-signal cable core insulation layer, 231-optical fiber unit, 232-optical unit signal line core insulation layer, 233 -Optical fiber unit protective paste, 221-first signal core, 222-second signal core, 223-signal wire group insulation layer, 2211-first signal core conductor, 2212-first signal core insulation layer, 2221-second signal core conductor, 2222-second signal core insulation layer, 31-energy transmission core, 32-control core, 33-energy control cable core insulation layer, 311-energy transmission core conductor, 312-energy transmission core insulation layer, 321-control core conductor, 322-control core insulation layer. DETAILED DESCRIPTION
[0024] The embodiments of the utility model are described in detail below with reference to the accompanying drawings.
[0025] Figure 1 FIG. 1 is a schematic diagram of the structure of an underwater equipment umbilical composite cable according to an embodiment of the utility model. Figure 1 As shown, the underwater equipment umbilical composite cable of this embodiment includes a cable core skeleton 1, a signal cable core 2, a plurality of energy control cable cores 3, a plurality of fluid transmission tubes 4, a water-blocking isolation layer 5, an inner protective layer 6 and an outer protective layer 7.
[0026] Figure 2 FIG. 1 is a structural example diagram of a cable core skeleton of an underwater equipment umbilical composite cable according to an embodiment of the utility model, as shown in FIG. Figure 2As shown, the cable core skeleton 1 includes an inner skeleton 11 and an outer skeleton 13, and a plurality of skeleton walls 12 are connected in an integral manner and circumferentially distributed between the inner skeleton 11 and the outer skeleton 13. As an optional example, the inner skeleton 11 of the cable core skeleton 1 is annular as a whole, and the thickness of the skeleton wall 12 is not less than the thickness of the inner skeleton 11. The outer skeleton 13 of the cable core skeleton 1 is composed of a plurality of first arc segments 131 and a plurality of second arc segments 132, the first arc segments 131 and the second arc segments 132 are adjacently arranged and integrally connected, and the arc height of the second arc segment 132 is greater than the arc height of the first arc segment 131. The thickness of the outer skeleton 13 of the cable core skeleton 1 is less than the thickness of the skeleton wall 12. The cable core skeleton 1 in this embodiment is made of an organic material with excellent strength and flexibility. For example, it can be made of polyethylene terephthalate material or polypropylene or acrylonitrile-butadiene-styrene copolymer material. In practical applications, when implementing the underwater equipment umbilical composite cable of the utility model, those skilled in the art may also select other suitable materials to make the cable core skeleton 1 according to the actual application scenario, and this embodiment does not limit this.
[0027] like Figure 1 and Figure 2 As shown, the signal cable core 2 is coaxially arranged in the first assembly cavity 14 inside the inner skeleton 11, a plurality of energy control cable cores 3 are correspondingly arranged in the second assembly cavity 15 between adjacent skeleton walls 12, a plurality of fluid transmission tubes 4 are correspondingly distributed in the gap between the energy control cable core 3 and the second assembly cavity 15, the inner sheath 6 and the outer sheath 7 are coaxially arranged on the outside of the cable core skeleton 1 in sequence, and the water-blocking isolation layer 5 is arranged in the gap between the inner sheath 6 and the cable core skeleton 1.
[0028] In this embodiment, the fluid transmission tube 4 is used to transmit liquid fluid or gaseous fluid, and the fluid transmission tube 4 can be made of materials such as polypropylene material or cross-linked polyolefin. In this embodiment, a paste with a water-blocking function can be used to form a water-blocking isolation layer 5 between the inner protective layer 6 and the cable core skeleton 1. When implementing the underwater equipment umbilical composite cable of the utility model, those skilled in the art can also choose other ways to set the water-blocking isolation layer 5 according to the actual application scenario, and this embodiment does not limit this. The inner protective layer 6 of this embodiment is made of metal seamless pipe material, such as seamless annealed copper alloy material or seamless stainless steel material. The outer protective layer 7 of this embodiment is made of epoxy resin material or polymethyl methacrylate material or polypropylene material or silicone rubber and other materials. When implementing the underwater equipment umbilical composite cable of the utility model, those skilled in the art can also choose other materials to make the outer protective layer 7 according to the actual application scenario.
[0029] Figure 3 FIG. 1 is a structural example diagram of a signal cable core of an underwater equipment umbilical composite cable according to an embodiment of the utility model, as shown in FIG. Figure 3As shown, the signal cable core 2 of this embodiment includes a central tube 21, a plurality of twisted signal wire groups 22, a plurality of optical unit signal wire cores 23, and a signal cable core insulation layer 24. The plurality of twisted signal wire groups 22 and the plurality of optical unit signal wire cores 23 are circumferentially arranged on the outer side of the central tube 21 at intervals. The signal cable core insulation layer 24 is coated on the outer side of the central tube 21, the plurality of twisted signal wire groups 22, and the plurality of optical unit signal wire cores 23. The signal cable core insulation layer 24 of this embodiment is made of an organic material with excellent mechanical properties and insulation properties, such as polyethylene terephthalate material or polypropylene or acrylonitrile-butadiene-styrene copolymer material or silicone rubber and the like. The central tube 21 in the signal cable core 2 of this embodiment is made of an organic material with excellent mechanical properties, such as silicone rubber material, cross-linked polyolefin material, etc., to support the stability of the structure of the entire signal cable core 2. As an optional example, the optical unit signal core 23 includes multiple optical fiber units 231 and an optical unit signal core insulation layer 232 coated on the outside of the multiple optical fiber units 231. For example, the optical unit signal core insulation layer 232 of this embodiment can be made of cross-linked polyethylene material; in this embodiment, in order to further protect the optical fiber unit 231, an optical fiber unit protection paste 233 is arranged on the inner side of the optical unit signal core insulation layer 232 and between the optical fiber units 231.
[0030] Figure 4 FIG. 1 is a structural example diagram of a twisted pair signal line group of an underwater equipment umbilical composite cable according to an embodiment of the utility model, as shown in FIG. Figure 4 As shown, the twisted pair signal wire group 22 of this embodiment includes a first signal wire core 221, a second signal wire core 222, and a signal wire group insulation layer 223 coated on the outside of the first signal wire core 221 and the second signal wire core 222. The first signal wire core 221 is composed of a first signal wire core conductor 2211 and a first signal wire core insulation layer 2212 coated on the outside of the first signal wire core conductor 2211, and the second signal wire core 222 is composed of a second signal wire core conductor 2221 and a second signal wire core insulation layer 2222 coated on the outside of the second signal wire core conductor 2221. In this embodiment, the first signal wire core conductor 2211 of the first signal wire core 221 is made of a metal material such as copper alloy or nickel alloy, and the first signal wire core insulation layer 2212 is made of a material such as silicone rubber or cross-linked polyolefin. It should be noted that, in this embodiment, in some application scenarios, the second signal wire core 222 can adopt the same structural setting and material selection as the first signal wire core 221; in other application scenarios, the second signal wire core 222 can also adopt a structural setting and material selection different from the first signal wire core 221. It should be noted that, in this embodiment, the outer diameters of the first signal wire core 221 and the second signal wire core 222 are equal.
[0031] Figure 5FIG. 1 is a structural example diagram of an energy control cable core of an underwater equipment umbilical composite cable according to an embodiment of the utility model, as shown in FIG. Figure 5 As shown, the energy control cable core 3 of this embodiment includes two energy transmission cores 31, two control cores 32, and an energy control cable core insulation layer 33 coated on the outside of the two energy transmission cores 31 and the two control cores 32. The two energy transmission cores 31 are symmetrically arranged, and the control cores 32 are respectively arranged in the gaps between the two energy transmission cores 31 and the energy control cable core insulation layer 33.
[0032] As an optional example, in the energy control cable core of this embodiment, the energy transmission core 31 is composed of an energy transmission core conductor 311 and an energy transmission core insulation layer 312 coated on the outside of the energy transmission core conductor 311. The energy transmission core conductor 311 of this embodiment is made of copper alloy material, and the energy transmission core insulation layer 312 is made of cross-linked polyethylene material or silicone rubber material.
[0033] As an optional example, in the energy control cable core of this embodiment, the control core 32 is composed of a control core conductor 321 and a control core insulation layer 322 coated on the outside of the control core conductor 321. The control core conductor 321 of this embodiment is made of copper alloy material, and the control core insulation layer 322 is made of cross-linked polyolefin material or cross-linked polyethylene material.
[0034] The underwater equipment umbilical composite cable of this embodiment is used to stably isolate and assemble the signal cable core 2, the energy control cable core 3 and the fluid transmission tube 4 through the cable core skeleton 1. The signal transmission, energy transmission, control transmission and fluid transmission are integrated through the specific structural settings of the signal cable core 2, the energy control cable core 3 and the fluid transmission tube 4. The stability and service safety of the overall component are achieved through the settings of the cable core skeleton 1, the water-blocking isolation layer 5, the inner sheath 6 and the outer sheath 7. When the underwater equipment umbilical composite cable of this embodiment is used as a transmission component of underwater equipment, it can realize integrated line transmission in an underwater application environment with repeated vibration, pulling and fluctuation, thereby improving the safety and line utilization of the underwater equipment transmission line.
[0035] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.
Claims
1. An underwater equipment umbilical composite cable, characterized in that: The underwater equipment umbilical composite cable includes a cable core skeleton, a signal cable core, multiple energy control cable cores, multiple fluid transmission tubes, a water-blocking isolation layer, an inner protective layer and an outer protective layer. The cable core skeleton includes an inner skeleton and an outer skeleton. Multiple skeleton walls are connected and circumferentially distributed between the inner skeleton and the outer skeleton. The signal cable core is coaxially arranged in a first assembly cavity inside the inner skeleton. Multiple energy control cable cores are arranged one-to-one in a second assembly cavity between adjacent skeleton walls. Multiple fluid transmission tubes are distributed one-to-one in the gap between the energy control cable core and the second assembly cavity. The inner protective layer and the outer protective layer are coaxially arranged on the outside of the cable core skeleton in sequence. The water-blocking isolation layer is arranged in the gap between the inner protective layer and the cable core skeleton.
2. The underwater equipment umbilical composite cable according to claim 1, characterized in that: The inner frame of the cable core frame is annular as a whole, and the thickness of the frame wall is not less than the thickness of the inner frame.
3. The underwater equipment umbilical composite cable according to claim 1, characterized in that: The outer frame of the cable core frame is composed of multiple first arc segments and multiple second arc segments. The first arc segments are adjacent to the second arc segments and are integrally connected. The arc height of the second arc segment is greater than the arc height of the first arc segment.
4. The underwater equipment umbilical composite cable according to claim 1, characterized in that: The thickness of the outer frame of the cable core frame is less than the thickness of the frame wall.
5. The underwater equipment umbilical composite cable according to claim 1, characterized in that: The signal cable core includes a central tube, multiple twisted signal wire groups, multiple optical unit signal wire cores and a signal cable core insulation layer. The multiple twisted signal wire groups and the multiple optical unit signal wire cores are circumferentially arranged at intervals on the outside of the central tube, and the signal cable core insulation layer is coated on the outside of the central tube, the multiple twisted signal wire groups and the multiple optical unit signal wire cores.
6. The underwater equipment umbilical composite cable according to claim 5, characterized in that: The twisted signal wire group includes a first signal wire core, a second signal wire core, and a signal wire group insulation layer covering the outside of the first signal wire core and the second signal wire core. The first signal wire core is composed of a first signal wire core conductor and a first signal wire core insulation layer covering the outside of the first signal wire core conductor. The second signal wire core is composed of a second signal wire core conductor and a second signal wire core insulation layer covering the outside of the second signal wire core conductor. The outer diameters of the first signal wire core and the second signal wire core are equal.
7. The underwater equipment umbilical composite cable according to claim 5, characterized in that: The optical unit signal line core comprises a plurality of optical fiber units and an optical unit signal line core insulation layer covering the outer sides of the plurality of optical fiber units. An optical fiber unit protection paste is arranged inside the optical unit signal line core insulation layer and between the optical fiber units.
8. The underwater equipment umbilical composite cable according to claim 1, characterized in that: The energy control cable core comprises two energy transmission cores, two control cores and an energy control cable core insulation layer wrapped around the two energy transmission cores and the two control cores. The two energy transmission cores are symmetrically arranged, and the control cores are respectively arranged in the gaps between the two energy transmission cores and the energy control cable core insulation layer.
9. The underwater equipment umbilical composite cable according to claim 8, characterized in that: The energy transmission line core is composed of an energy transmission line core conductor and an energy transmission line core insulation layer coated on the outside of the energy transmission line core conductor.
10. The underwater equipment umbilical composite cable according to claim 8, characterized in that: The control line core is composed of a control line core conductor and a control line core insulation layer coated on the outside of the control line core conductor.