CN210052552U - Dynamic optical fiber composite submarine cable for tidal current energy power generation - Google Patents

Dynamic optical fiber composite submarine cable for tidal current energy power generation Download PDF

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Publication number
CN210052552U
CN210052552U CN201921112340.8U CN201921112340U CN210052552U CN 210052552 U CN210052552 U CN 210052552U CN 201921112340 U CN201921112340 U CN 201921112340U CN 210052552 U CN210052552 U CN 210052552U
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cable
power generation
layer
optical fiber
core
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CN201921112340.8U
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刘鑫伟
刘娅
王东亮
尚吉永
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Shandong Wanda Cable Co Ltd
Wanda Group Co Ltd
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Shandong Wanda Cable Co Ltd
Wanda Group Co Ltd
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Abstract

The utility model provides a trend can power generation with compound extra large cable of dynamic optic fibre, includes inside cable core and cable core winding layer, the cable core form by the power cable that is located the center and two control cable cores, a communication cable core, a control cable, two power cable and the transposition of a plurality of waterproof rope that encircle central power cable and distribute, cable core winding layer from interior to exterior include inner liner, armor and restrictive coating in proper order, the control cable core form by two control cable and the transposition of a plurality of waterproof rope, the communication cable core form by ground cable, communication cable and reinforcement transposition, communication cable from interior to exterior once including 48 core optic fibre, stainless steel pipe and polyurethane sheath, stainless steel pipe and 48 core optic fibre between fill the oleamen that blocks water, this compound extra large cable has waterproof performance, high tensile strength, good flexibility, excellent creep resistance, Wear resistance and the like.

Description

Dynamic optical fiber composite submarine cable for tidal current energy power generation
Technical Field
The utility model belongs to the technical field of submarine cable technique and specifically relates to just a trend can generate electricity with compound submarine cable of dynamic optic fibre.
Background
With the development of marine technology, the development and utilization of marine resources have risen to the national strategic level. Tidal current energy power generation is a novel tidal current energy resource utilization technology, and the power generation form has many advantages, such as: 1, the construction of a fence sea dam is not needed; 2, the investment and construction cost is low; 3, the construction period is short; 4, the method has good eco-friendly characteristics and economy, and the like, so that the method is widely applied to island development of power transmission grid-connected systems and application to commercial operation projects. The dynamic optical fiber composite submarine cable for tidal current energy power generation is mainly applied to a submarine tidal energy power generation platform, and the main function of the dynamic cable is to transmit electric energy from the seabed to a marine booster station, connect a tidal current generator set and the marine booster platform and simultaneously undertake transmission of control signals from a shore-based centralized control center to a control end of the submarine generator set. The hydrographic condition of tidal current energy power generation sea area is complicated, the flow velocity of the water area is obviously influenced by fluctuation and tidal range, and the landform is directly influenced by the height and the force of sea wave impact to select the type of the dynamic cable. Compared with the conventional submarine cable, the dynamic submarine cable has a severe working environment, is required to be capable of adapting to the large-amplitude change of the dynamic displacement of the tidal current power generation device caused by the tidal wave amplitude fluctuation, and is stably and safely connected with a power generation platform. The dynamic cable can be impacted by submarine water flow for a long time and subjected to periodic instantaneous tension of a floating body of the generator set in the working and running process, and is required to have the characteristics of structural stability, waterproofness, excellent flexibility, creep resistance, stress fatigue resistance, wear resistance, corrosion resistance and the like; the cable has the performance of transmitting electric energy and signals, and the structural design form of the cable is changed greatly, so that the actual requirements of the current dynamic cable cannot be met on the performance, the service life is short, and the cost is increased due to replacement.
Disclosure of Invention
An object of the utility model is to provide a trend can generate electricity with compound submarine cable of dynamic optic fibre, this compound submarine cable have advantages such as waterproof performance, high tensile strength, good softness can, creep resistance are excellent, wear-resisting.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a trend can generate electricity with compound extra large cable of dynamic optic fibre, includes inside cable core and cable core winding layer, the cable core form by being located the power cable at center and two control cable cores, a communication cable core, a control cable, two power cable and a plurality of waterproof rope transposition that encircle central power cable and distribute, cable core winding layer from interior to exterior include inner liner, armor and restrictive coating in proper order.
Preferably, the control cable core is formed by twisting two control cables and a plurality of waterproof ropes.
Preferably, the communication cable core is formed by twisting a grounding cable, a communication optical cable and a reinforcing piece.
As optimization, the communication optical cable comprises a 48-core optical fiber, a stainless steel pipe and a polyurethane protective layer from inside to outside, and water-blocking ointment is filled between the stainless steel pipe and the 48-core optical fiber.
Preferably, the reinforcing element comprises a support wire at the inner layer and an elastomer sheath at the outer layer.
Preferably, the grounding cable sequentially comprises a second copper conductor, an inner semiconductive water-blocking tape, an XLPE (cross linked polyethylene) insulating layer, an outer semiconductive water-blocking tape, an aluminum-plastic composite tape and an HDPE (high-density polyethylene) sheath layer from inside to outside.
Preferably, the control cable sequentially comprises a second copper conductor, an inner semiconductive water-blocking tape, an XLPE (cross linked polyethylene) insulating layer, an outer semiconductive water-blocking tape, an aluminum-plastic composite tape and an HDPE (high-density polyethylene) sheath layer from inside to outside.
Preferably, the power cable sequentially comprises a second copper conductor, an inner semiconductive water-blocking tape, an XLPE (cross linked polyethylene) insulating layer, an outer semiconductive water-blocking tape, an aluminum-plastic composite tape and an HDPE (high-density polyethylene) sheath layer from inside to outside.
Preferably, the armor layer is composed of three reverse low-carbon galvanized steel wire spiral armoring layers.
Preferably, the sheath layer is made of high-density polyethylene, and the inner liner layer is made of polypropylene fiber hemp ropes.
The utility model has the advantages that: compared with the prior art, the utility model discloses a trend can generate electricity with compound submarine cable of dynamic optic fibre has high tensile strength, whole softness and can be applicable to dynamic environment under water, and the quality is light, lower eddy current loss and hysteresis loss, and the switching of power transmission and control performance can be realized to many circuit configurations.
Drawings
FIG. 1 is a general structure diagram of the present invention;
FIG. 2 is an enlarged view of the power cable structure of the present invention;
FIG. 3 is an enlarged view of the communication cable core structure of the present invention;
FIG. 4 is an enlarged view of the control cable core structure of the present invention;
the cable comprises a power cable 1, a control cable core 2, a communication cable core 3, a control cable 4, a waterproof rope 5, a lining layer 6, an armor layer 7, a sheath layer 8, a grounding cable 9, a communication cable 10, a core 1148 optical fiber, a stainless steel tube 12, a polyurethane sheath 13, a support steel wire 14, an elastomer sheath 15, a copper conductor of the second type 16, a semiconductive water-blocking tape of an inner layer 17, a crosslinked polyethylene insulating layer 18 XLPE, a semiconductive water-blocking tape of an outer layer 19, a composite tape 20 aluminum plastic and a sheath layer 21 HDPE.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the embodiment shown in fig. 1, the dynamic optical fiber composite submarine cable for tidal current energy power generation comprises an internal cable core and a cable core winding layer, wherein the cable core is formed by twisting a power cable 1 positioned at the center, two control cable cores 2 distributed around the power cable 1, a communication cable core 3, a control cable 4, two power cables 1 and a plurality of waterproof ropes 5, and the cable core winding layer sequentially comprises an inner liner 6, an armor layer 7 and a sheath layer 8 from inside to outside.
In another embodiment as shown in fig. 4, the control cable core 2 is formed by twisting two control cables 4 and a plurality of waterproof ropes 5.
In another embodiment, as shown in fig. 3, the communication cable core 3 is formed by stranding a ground cable 9, a communication cable 10 and strength members.
The communication optical cable 10 comprises a 48-core optical fiber 11, a stainless steel pipe 12 and a polyurethane protective layer 13 from inside to outside, and water-blocking ointment is filled between the stainless steel pipe 12 and the 48-core optical fiber 11.
The reinforcement comprises support wires 14 at the inner layer and an elastomer sheath 15 at the outer layer.
In another embodiment shown in fig. 2, the grounding cable 9 includes, from inside to outside, a second copper conductor 16, an inner semiconductive water-blocking tape 17, an XLPE crosslinked polyethylene insulating layer 18, an outer semiconductive water-blocking tape 19, an aluminum-plastic composite tape 20, and an HDPE sheathing layer 21 in this order.
In another embodiment shown in fig. 2, the control cable 4 comprises, from inside to outside, a second copper conductor 16, an inner semiconductive water-blocking tape 17, an XLPE crosslinked polyethylene insulating layer 18, an outer semiconductive water-blocking tape 19, an aluminum-plastic composite tape 20, and an HDPE sheathing layer 21 in this order.
In another embodiment as shown in fig. 2, the power cable comprises, from inside to outside, a second copper conductor 16, an inner semiconductive water-blocking tape 17, an XLPE crosslinked polyethylene insulating layer 18, an outer semiconductive water-blocking tape 19, an aluminum-plastic composite tape 20 and an HDPE sheathing layer 21 in this order.
Preferably, the armor layer 7 is composed of three reverse low-carbon galvanized steel wire spiral armoring layers.
Preferably, the sheath layer 8 is made of high-density polyethylene, and the lining layer 6 is made of polypropylene fiber hemp.
The second copper conductor is formed by layering, pressing and twisting a plurality of annealing round copper wires, and a water-blocking material is added among layers to achieve the longitudinal water-blocking performance. The copper conductor is used for transmitting current and can bear certain mechanical tension. The cable is convenient to bend after being layered and compacted, the allowable bending radius of the cable can be reduced, and the service life of the cable in a dynamic seawater fluctuation environment is prolonged.
The XLPE insulating material is crosslinked polyethylene, has strong comprehensive properties such as mechanical property, environmental stress cracking resistance, creep resistance, electrical property and the like, has high temperature resistance level, and is suitable for being used as an insulating layer of a submarine cable.
The aluminum-plastic comprehensive sheath consists of structural layers such as a reinforced aluminum-plastic composite belt, a high-density polyethylene sheath and the like. A longitudinal wrapping process is adopted, and partial covering is carried out, wherein one metal surface of the single-surface aluminum-plastic composite belt is in contact with the insulation shield through the semi-conductive water blocking belt, so that the requirement of an equilibrium electric field is met; one side of the high polymer material is bonded with the PE layer through a production process to seal and radially block water, the bonding layer is integrated and completely sealed, water can hardly permeate, and the high polymer material has good waterproof performance.
The filling layers are arranged in gaps around the cable core, a plurality of strands of waterproof filling ropes can be adopted, the flexibility, the elongation and the impact strength are good, the stable structure and the stable layout of the cable are met, round filling strips can be adopted or the combination of the stranded filling ropes and the water-blocking material can be adopted, the cable core has certain hardness and strength, and the filling is round and compact.
The communication cable core consists of 48-core optical fibers, water-blocking ointment, a stainless steel pipe and a polyurethane protective layer.
The optical fiber is positioned in the stainless steel pipe, the elastic sheath is arranged outside the stainless steel pipe, and water-blocking fiber paste is filled between the optical fiber and the stainless steel pipe. The optical unit is protected by a stainless steel pipe, a proper extra length is selected, and water-blocking factice for inhibiting hydrogen loss is filled in the optical unit, so that the optical unit has radial and longitudinal water-blocking functions, and can effectively inhibit the hydrogen loss of the optical fiber, thereby prolonging the service life and improving the transmission performance of the optical fiber.
The armor layer is formed by reverse three-layer low carbon galvanized steel wire spiral armor, utilizes the balanced principle of moment of torsion, has improved the stability of dynamic cable in aqueous. The galvanized steel material has the characteristics of excellent corrosion resistance, high strength, wear resistance and the like, and can delay seawater corrosion and improve the mechanical strength of the cable.
The inner liner of the protective layer material is made of polypropylene fiber hemp ropes, and is coated with the anti-corrosion asphalt, so that the acting pressure of the armor layer can be effectively buffered. The outer sheath is made of high-density polyethylene, and the waterproof performance is excellent. The method is suitable for complicated and variable seabed conditions.
In order to ensure the light weight, excellent flexibility, bending resistance, essential waterproof performance and strong creep resistance of the product, a metal sheath is not adopted on the integral structure of the submarine cable. The device avoids harm and pollution to human bodies and the environment in the tidal current energy power generation process, is environment-friendly, has light weight, and is beneficial to the dynamic submarine cable to perform vertical dynamic displacement great change along with the power generation device.
By adopting the waterproof structure design of the reinforced aluminum-plastic composite belt and the high-density polyethylene sheath, the bonding layer is integrated, is completely sealed, almost cannot permeate moisture, and has good waterproof performance. Compared with the traditional lead sheath structure, the structure weight is much lighter than that of the lead sheath, so that the dynamic submarine cable has good flexibility and bending performance when the floating body moves.
In order to ensure that the cable still stably runs under the action of high tension, the armor layer adopts three layers of reverse galvanized steel wire armoring, and the stability of the dynamic cable in water is improved by applying a torque balance principle.
In order to prevent the optical fiber unit from being extruded by the armor layer and the peripheral cable core, the optical fiber unit is effectively protected by the reinforcing piece and buffered by extruding the elastic sheath layer.
The optical-electrical composite structure is adopted, and the mechanical strength is high due to the multilayer armor; the cable core is filled compactly and roundly after each unit is twisted, and the overall structure layout is stable and reliable.
The above embodiments are only specific cases of the present invention, and the protection scope of the present invention includes but is not limited to the forms and styles of the above embodiments, and any suitable changes or modifications made thereto by those skilled in the art according to the claims of the present invention shall fall within the protection scope of the present invention.

Claims (10)

1. The utility model provides a trend can power generation with compound submarine cable of dynamic optic fibre which characterized in that: including inside cable core and cable core winding layer, the cable core form by being located the power cable at center and two control cable cores, a communication cable core, a control cable, two power cable and a plurality of waterproof rope transposition that encircle central power cable and distribute, cable core winding layer from interior to exterior include inner liner, armor and restrictive coating in proper order.
2. The dynamic optical fiber composite submarine cable for tidal current energy power generation according to claim 1, wherein: the control cable core is formed by twisting two control cables and a plurality of waterproof ropes.
3. The dynamic optical fiber composite submarine cable for tidal current energy power generation according to claim 1, wherein: the communication cable core is formed by twisting a grounding cable, a communication optical cable and a reinforcing piece.
4. The dynamic optical fiber composite submarine cable for tidal current energy power generation according to claim 3, wherein: the communication optical cable comprises 48-core optical fibers, a stainless steel pipe and a polyurethane protective layer from inside to outside, and water-blocking ointment is filled between the stainless steel pipe and the 48-core optical fibers.
5. The dynamic optical fiber composite submarine cable for tidal current energy power generation according to claim 3, wherein: the reinforcing member comprises a support steel wire positioned at the inner layer and an elastomer sheath positioned at the outer layer.
6. The dynamic optical fiber composite submarine cable for tidal current energy power generation according to claim 3, wherein: the grounding cable sequentially comprises a second copper conductor, an inner semiconductive water-blocking tape, an XLPE (cross linked polyethylene) insulating layer, an outer semiconductive water-blocking tape, an aluminum-plastic composite tape and an HDPE (high-density polyethylene) sheath layer from inside to outside.
7. The dynamic optical fiber composite submarine cable for tidal current energy power generation according to claim 1, wherein: the control cable sequentially comprises a second copper conductor, an inner semiconductive water-blocking tape, an XLPE (cross linked polyethylene) insulating layer, an outer semiconductive water-blocking tape, an aluminum-plastic composite tape and an HDPE (high-density polyethylene) sheath layer from inside to outside.
8. The dynamic optical fiber composite submarine cable for tidal current energy power generation according to claim 1, wherein: the power cable sequentially comprises a second copper conductor, an inner semiconductive water-blocking tape, an XLPE (cross linked polyethylene) insulating layer, an outer semiconductive water-blocking tape, an aluminum-plastic composite tape and an HDPE (high-density polyethylene) sheath layer from inside to outside.
9. The dynamic optical fiber composite submarine cable for tidal current energy power generation according to claim 1, wherein: the armor layer is composed of three reverse low-carbon galvanized steel wire spiral armor layers.
10. The dynamic optical fiber composite submarine cable for tidal current energy power generation according to claim 1, wherein: the sheath layer adopts high density polyethylene, and the inner liner layer adopts polypropylene fiber hemp rope.
CN201921112340.8U 2019-07-16 2019-07-16 Dynamic optical fiber composite submarine cable for tidal current energy power generation Active CN210052552U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921112340.8U CN210052552U (en) 2019-07-16 2019-07-16 Dynamic optical fiber composite submarine cable for tidal current energy power generation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921112340.8U CN210052552U (en) 2019-07-16 2019-07-16 Dynamic optical fiber composite submarine cable for tidal current energy power generation

Publications (1)

Publication Number Publication Date
CN210052552U true CN210052552U (en) 2020-02-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921112340.8U Active CN210052552U (en) 2019-07-16 2019-07-16 Dynamic optical fiber composite submarine cable for tidal current energy power generation

Country Status (1)

Country Link
CN (1) CN210052552U (en)

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