CN210349360U - Photoelectric composite sea floating type anti-biological medium-voltage flexible power cable for shallow sea - Google Patents
Photoelectric composite sea floating type anti-biological medium-voltage flexible power cable for shallow sea Download PDFInfo
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- CN210349360U CN210349360U CN201921085890.5U CN201921085890U CN210349360U CN 210349360 U CN210349360 U CN 210349360U CN 201921085890 U CN201921085890 U CN 201921085890U CN 210349360 U CN210349360 U CN 210349360U
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Abstract
The utility model discloses a photoelectric composite sea floating type anti-biological medium-voltage flexible power cable for shallow sea, which comprises a cable core and a wrapping layer; the cable core comprises a power wire core, a control wire core, an optical cable and a saddle-shaped strip; the wrapping layer comprises an inner sheath, a reinforcing sleeve, an outer sheath, a protective layer and an air bag layer; the saddle-shaped strip is arranged in the center of the power cable; the power wire core, the control wire core and the optical cable are placed in the groove of the saddle-shaped strip; the assembled power wire core, the control wire core and the optical cable are twisted to form a cable core; the cable core is externally extruded with an inner sheath, the inner sheath is externally woven with a reinforcing layer, the woven reinforcing layer is externally extruded with an outer sheath, the outer sheath is externally extruded with a protective layer, and the protective layer is externally wound with an air bag layer. The utility model discloses the cable is resistant to be turned round, resistant to roll and tensile strength have been improved greatly. The biological resistance of the cable is improved. The protective layer is wrapped with an air bag to enable the cable to float on the water surface, so that the cable is convenient to maintain.
Description
Technical Field
The utility model relates to a distribution cable technical field especially relates to a shallow sea is with compound floating anti-biological type middling pressure flexible power cable of sea of photoelectricity.
Background
With the rapid economic development of China, the new start of offshore operation platforms such as ports, offshore oil and marine platforms, offshore wind power generation platforms, offshore islands, artificial landscape islands and the like and landscape islands is promoted, and medium-voltage power cables are needed to be used for transmitting power supplies and control cables for transmitting equipment control signals and network signals and cables with power, control and transmission functions are needed to be used for the offshore operation platform equipment and the living facilities. Secondly, in the laying process of the cable, the cable needs to be laid offshore, so that the laying length is shortened as much as possible, the construction difficulty is reduced, the maintenance is convenient, the construction and maintenance cost is saved, the cable needs to have certain floating capacity, and the cable needs to be as soft as possible; and thirdly, organisms such as oyster and shell exist in seawater, and many shells have sharp shell corners, so that the cable needs to have an anti-organism function.
The cable should have excellent mechanical, electrical and shielding properties. In order to meet the requirements, the insulated wire core of the medium-voltage power cable in the prior art is structurally a conductor, a conductor shielding layer, an insulating layer, an insulated shielding layer, a semi-conductive cloth layer and an insulated wire core metal braided shielding layer from inside to outside. Then the insulating wire core is twisted into a cable core, and then a layer of sheath is extruded.
In addition, the offshore oil platform not only uses power cables, but also generally has communication and control signals needing to be transmitted, and the prior art generally adopts a mode of separately laying the power cables, the control cables and the optical cables to meet the requirements of different functions of hoisting equipment
Problems and disadvantages of the prior art:
1. the power cable, the communication optical cable and the control cable which are laid separately have one function, are heavy in overall weight, are difficult to install due to the fact that the power cable, the communication optical cable and the control cable are laid for many times, and are large in occupied area and high in cable cost.
2. The control cable and the communication optical cable have smaller outer diameters, do not have the functions of tensile resistance and rolling resistance, and are easily broken and flattened by heavier equipment, so that the service life is influenced.
3. The existing cable is generally laid on the shallow sea bottom, and the whole cable needs to be dragged to a land base after the cable breaks down for maintenance, so that the maintenance is inconvenient during the use period of the cable, and the cost of manpower and material resources is high.
SUMMERY OF THE UTILITY MODEL
The utility model discloses concentrate power cable and control cable, optical cable in a cable, solve among the prior art three kinds of cables and need separately lay, problem that area is big.
The photoelectric composite sea floating type anti-biological medium-voltage flexible power cable for shallow sea is characterized by comprising a cable core and a wrapping layer;
the cable core comprises a power wire core, a control wire core, an optical cable and a saddle-shaped strip;
the wrapping layer comprises an inner sheath, a reinforcing layer, an outer sheath, a protective layer and an air bag layer;
the saddle-shaped strip is arranged at the center of the power cable, and an upper groove, a lower groove, a left upper groove, a left lower groove, a right upper groove and a right lower groove are respectively formed on the saddle-shaped strip;
the power wire cores comprise three power wire cores which are respectively arranged in the upper groove, the left lower groove and the right lower groove;
the control wire core comprises two groups of control wires which are respectively placed in the upper right groove and the lower groove;
the optical cable is placed in the upper left groove;
the assembled power wire core, the control wire core and the optical cable are twisted to form a cable core;
the cable core is externally extruded with an inner sheath, the inner sheath is externally woven with a reinforcing layer, the woven reinforcing layer is externally extruded with an outer sheath, the outer sheath is externally extruded with a protective layer, and the protective layer is externally wound with an air bag layer.
The power cable core comprises a power cable core conductor, a conductor wrapping tape, a semi-conductive conductor shielding layer, a power cable core insulating layer, a semi-conductive insulating shielding layer wrapping tape, a metal shielding layer and a cotton cloth reinforcing tape;
the power cable core conductor is wrapped with a conductor wrapping tape outside the power cable core conductor, the conductor wrapping tape is externally extruded with a semi-conductive conductor shielding layer, the semi-conductive conductor shielding layer is externally extruded with an insulating layer, the insulating layer is externally extruded with a semi-conductive insulating shielding layer, the semi-conductive insulating shielding layer is externally wrapped with a semi-conductive insulating shielding layer wrapping tape, the semi-conductive insulating shielding layer is externally wrapped with a semi-conductive insulating shielding layer braided metal shielding layer, and the metal shielding layer is externally wrapped with a reinforcing tape.
In a further improvement of the scheme, the reinforcing belt is a cotton cloth reinforcing belt.
The scheme is further improved, and the control wire core comprises three groups of control wire core cable cores which are uniformly distributed at intervals along the circumference;
each group of control wire core cable cores comprises control wire core conductors, and each control wire core conductor is sequentially extruded with a control wire core insulating layer and an insulation wire core metal shielding layer to form a control wire core cable core;
a core aramid fiber reinforced rope is arranged in the center of the three groups of control core cables,
after the three groups of control wire core cables are twisted with the aramid fiber reinforcing rope of the wire core, a total metal shielding layer is woven on the outer layer, and a cotton cloth reinforcing belt is wrapped outside the total metal shielding layer.
The scheme is further improved, the optical cable comprises 6-core optical fiber cores which are uniformly distributed along the circumference, and an optical cable aramid fiber reinforcing rope is placed in the center of each 6-core optical fiber core;
the well-arranged 6-core optical fiber wire cores are circularly twisted around the optical cable aramid fiber reinforcing rope to form an optical cable core, and the inner liner is extruded outside the optical cable core.
The further improvement of the scheme is that the saddle-shaped bar center is placed with a saddle-shaped bar reinforcing rope, and an extrusion layer is arranged outside the saddle-shaped bar reinforcing rope.
The beneficial effects of the utility model reside in that:
the utility model twists the power cable, the communication optical cable and the control cable together, so that the cables with three functions are integrated, the problem of large occupied area of the cables is solved, and the construction is convenient; in addition, the aramid fiber reinforced rope saddle-shaped strip is adopted in the center of the cable, the aramid fiber reinforced rope is adopted in the centers of the control cable and the optical cable for filling, and the inner sheath, the aramid fiber yarn are adopted outside the cable core for weaving the structure of the reinforced layer and the outer sheath, so that the torsion resistance, the rolling resistance and the tensile strength of the cable are greatly improved. And a protective layer is added outside the outer sheath, so that the biological resistance of the cable is improved. The protective layer is wrapped with an air bag to enable the cable to float on the water surface, so that the cable is convenient to maintain.
Drawings
Fig. l is an overall schematic view of the present invention.
Fig. 2 is a schematic view of the power line core of the present invention.
Fig. 3 is a schematic diagram of the control wire core of the present invention.
Fig. 4 is a schematic view of the optical cable of the present invention.
Fig. 5 is a schematic view of a saddle shaped strip of the present invention.
Detailed Description
The invention is further described with reference to the following specific drawings and examples.
As shown in fig. 1-5: a photoelectric composite sea floating type anti-biological medium-voltage flexible power cable for shallow sea is characterized by comprising a cable core and a wrapping layer;
the cable core comprises a power wire core 1, a control wire core 2, an optical cable 3 and a saddle-shaped strip 4;
the wrapping layer comprises an inner sheath 5, a reinforcing layer 6, an outer sheath 7, a protective layer 8 and an air bag layer 9;
the saddle-shaped strip 4 is arranged at the center of the power cable, and the saddle-shaped strip 4 is respectively provided with an upper groove 4.1, a lower groove 4.2, a left upper groove 4.3, a left lower groove 4.4, a right upper groove 4.5 and a right lower groove 4.6;
the power wire cores 1 comprise three power wire cores which are respectively arranged in the upper groove 4.1, the left lower groove 4.4 and the right lower groove 4.6;
the control wire core 2 comprises two groups which are respectively arranged in the upper right groove 4.5 and the lower groove 4.2;
the optical cable 3 is placed in the upper left groove 4.3;
the assembled power wire core 1, the control wire core 2 and the optical cable 3 are twisted to form a cable core;
the cable core is externally extruded with an inner sheath 5, the inner sheath 5 is externally woven with a reinforced layer 6, the woven reinforced layer 6 is externally extruded with an outer sheath 7, the outer sheath 7 is externally extruded with a protective layer 8, and the protective layer 8 is externally wound with an air bag layer 9. As shown in fig. 1.
The scheme is further improved, the power wire core 1 comprises a power wire core conductor 10, a conductor wrapping tape 11, a semi-conductive conductor shielding layer 12, a power wire core insulating layer 13, a semi-conductive insulating shielding layer 14, a semi-conductive insulating shielding layer wrapping tape 15, a metal shielding layer 16 and a cotton cloth reinforcing tape 17;
the power line core conductor 10 is externally wound with a conductor winding tape 11, the conductor winding tape 11 is externally extruded with a semi-conductive conductor shielding layer 12, the semi-conductive conductor shielding layer 12 is externally extruded with an insulating layer 13, the insulating layer 13 is externally extruded with a semi-conductive insulating shielding layer 14, the semi-conductive insulating shielding layer 14 is externally wound with a semi-conductive insulating shielding layer winding tape 15, the semi-conductive insulating shielding layer winding tape 15 is externally woven with a metal shielding layer 16, and the metal shielding layer 16 is externally wound with a reinforcing tape 17. The metal shielding layer is also used as a ground wire core. As shown in fig. 2.
In a further improvement of the above scheme, the reinforcing belt 17 is a cotton cloth reinforcing belt.
In a further improvement of the scheme, the control wire core 2 comprises three groups of control wire core cable cores which are uniformly distributed at intervals along the circumference;
each group of control wire core cable cores comprises control wire core conductors 19, and a control wire core insulating layer 20 and an insulating wire core metal shielding layer 21 are sequentially extruded outside each control wire core conductor 19 to form the control wire core cable core;
a core aramid fiber reinforced rope 18 is arranged in the center of the three groups of control core cables,
after the three groups of control wire core cables are twisted with a wire core aramid fiber reinforcing rope 18, a total metal shielding layer 22 is woven on the outer layer, and a cotton cloth reinforcing belt 23 is wound outside the total metal shielding layer 22. As shown in fig. 3.
In a further improvement of the scheme, the optical cable 3 comprises 6-core optical fiber cores 25 which are uniformly distributed along the circumference, and an optical cable aramid fiber reinforcing rope 24 is arranged in the center of the 6-core optical fiber cores 25;
the well-arranged 6-core optical fiber wire cores 25 are circularly twisted around the optical cable aramid fiber reinforcing ropes 24 to form an optical cable core, and the inner liner 26 is extruded outside the optical cable core. As shown in fig. 4.
In a further improvement of the above solution, the saddle-shaped bar 4 is centrally disposed with a saddle-shaped bar reinforcing rope 27, and an extrusion layer 28 is disposed outside the saddle-shaped bar reinforcing rope 27. As shown in fig. 5.
Principle of operation
The offshore operation platform equipment and the living facility need to be applied to cables with functions of electric power, communication and control signals when working, the three cables are independently operated, the installation is difficult, and the occupied area is large. In order to solve such problems, the power cable, the control cable, and the optical cable are simultaneously twisted together.
The power wire core is used for realizing power transmission, the control wire core is used for realizing signal control, and the optical cable is used for realizing signal transmission. The occupied area of the cable is reduced, and the cost is saved.
The three power wire cores are externally provided with the metal shielding layers, so that the anti-electromagnetic interference capability is improved, and the three power wire cores are also used as ground wires. The control line adopts the shielding mode of 'split screen + total screen', greatly improves the anti-electromagnetic interference capability of the control wire core, and ensures the stability of the transmission control signal. Aramid fiber reinforced ropes are adopted in the centers of the control cable and the optical cable for filling, so that the tensile capacity of the cable is greatly improved.
The cable core is externally provided with the inner sheath, the aramid yarn woven reinforced layer and the outer sheath, so that the torsion resistance, the rolling resistance and the tensile resistance of the cable are greatly improved.
The cable core is externally provided with the inner sheath, the aramid yarn woven reinforced layer and the outer sheath, so that the torsion resistance, the rolling resistance and the tensile resistance of the cable are greatly improved.
A polyurethane protective layer is added outside the cable outer sheath, so that the biological resistance of the cable is improved.
An air bag is added outside the cable protection layer, so that the cable can float on the water surface.
Because the aramid fiber reinforced rope saddle-shaped strip is filled in the center of the cable, the function of supporting the wire cores is achieved, mutual sliding among the wire cores is eliminated, and the structure of the cable is more stable when the cable moves.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (6)
1. A photoelectric composite sea floating type anti-biological medium-voltage flexible power cable for shallow sea is characterized by comprising a cable core and a wrapping layer;
the cable core comprises a power wire core (1), a control wire core (2), an optical cable (3) and a saddle-shaped strip (4);
the wrapping layer comprises an inner sheath (5), a reinforcing layer (6), an outer sheath (7), a protective layer (8) and an air bag layer (9);
the saddle-shaped strip (4) is arranged in the center of the power cable, and an upper groove (4.1), a lower groove (4.2), a left upper groove (4.3), a left lower groove (4.4), a right upper groove (4.5) and a right lower groove (4.6) are respectively arranged on the saddle-shaped strip (4);
the power wire cores (1) comprise three power wire cores which are respectively arranged in the upper groove (4.1), the left lower groove (4.4) and the right lower groove (4.6);
the control wire core (2) comprises two groups which are respectively placed in the upper right groove (4.5) and the lower groove (4.2);
the optical cable (3) is placed in the upper left groove (4.3);
the assembled power wire core (1), the control wire core (2) and the optical cable (3) are twisted to form a cable core;
the cable core is externally extruded with an inner sheath (5), the inner sheath (5) is externally woven with a reinforcing layer (6), the woven reinforcing layer (6) is externally extruded with an outer sheath (7), the outer sheath (7) is externally extruded with a protective layer (8), and the protective layer (8) is externally wrapped with an air bag layer (9).
2. The shallow sea photoelectric composite sea floating type anti-biotic medium voltage flexible power cable according to claim 1, wherein the power core (1) comprises a power core conductor (10), a conductor lapping tape (11), a semi-conductive conductor shielding layer (12), a power core insulating layer (13), a semi-conductive insulating shielding layer (14), a semi-conductive insulating shielding layer lapping tape (15), a metal shielding layer (16) and a cotton cloth reinforcing tape (17);
the power core conductor (10) is outer around wrapping conductor around band (11), and the conductor is around crowded package semiconduction conductor shielding layer (12) outside band (11), and crowded package insulating layer (13) outside semiconduction conductor shielding layer (12), and crowded package semiconduction insulation shielding layer (14) outside insulating layer (13), and semiconduction insulation shielding layer (14) are outer around wrapping semiconduction insulation shielding layer around band (15), and semiconduction insulation shielding layer weaves metal shielding layer (16) around band (15) outward, and metal shielding layer (16) are outer around wrapping strengthening band (17).
3. The shallow sea photoelectric composite sea floating type anti-biotic medium voltage flexible power cable according to claim 2, characterized in that the reinforcing tape (17) is a cotton cloth reinforcing tape.
4. The shallow sea photoelectric composite sea floating type anti-biotic medium voltage flexible power cable according to claim 1,
the control wire core (2) comprises three groups of control wire core cable cores which are uniformly distributed at intervals along the circumference;
each group of control wire core cable cores comprises control wire core conductors (19), and a control wire core insulating layer (20) and an insulating wire core metal shielding layer (21) are sequentially extruded outside each control wire core conductor (19) to form the control wire core cable core;
a core aramid fiber reinforced rope (18) is arranged in the center of the three groups of control core cables,
after the three groups of control wire core cables are twisted with a wire core aramid fiber reinforcing rope (18), a layer of total metal shielding layer (22) is woven on the outer layer, and a cotton cloth reinforcing belt (23) is wound outside the total metal shielding layer (22).
5. The shallow sea photoelectric composite sea floating type anti-biotic medium voltage flexible power cable according to claim 1, wherein the optical cable (3) comprises 6-core optical fiber cores (25) uniformly distributed along the circumference, and an optical cable aramid reinforcing rope (24) is placed in the center of the 6-core optical fiber cores (25);
the well-arranged 6-core optical fiber wire cores (25) are circularly twisted around the optical cable aramid fiber reinforcing rope (24) to form an optical cable core, and the optical cable core is externally extruded with an inner lining layer (26).
6. The shallow sea photoelectric composite sea floating type biological-prevention medium-voltage flexible power cable according to claim 1, wherein a saddle-shaped bar (4) is arranged in the center, a saddle-shaped bar reinforcing rope (27) is arranged outside the saddle-shaped bar reinforcing rope (27), and an extrusion coating (28) is arranged outside the saddle-shaped bar reinforcing rope (27).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921085890.5U CN210349360U (en) | 2019-07-12 | 2019-07-12 | Photoelectric composite sea floating type anti-biological medium-voltage flexible power cable for shallow sea |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921085890.5U CN210349360U (en) | 2019-07-12 | 2019-07-12 | Photoelectric composite sea floating type anti-biological medium-voltage flexible power cable for shallow sea |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110246617A (en) * | 2019-07-12 | 2019-09-17 | 江苏中煤电缆有限公司 | Flexible power cable is pressed in the anti-biological type of photoelectric composite sea floating for a kind of shallow sea |
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- 2019-07-12 CN CN201921085890.5U patent/CN210349360U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110246617A (en) * | 2019-07-12 | 2019-09-17 | 江苏中煤电缆有限公司 | Flexible power cable is pressed in the anti-biological type of photoelectric composite sea floating for a kind of shallow sea |
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