CN217386756U - High-water-pressure-resistant photoelectric composite watertight cable - Google Patents
High-water-pressure-resistant photoelectric composite watertight cable Download PDFInfo
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- CN217386756U CN217386756U CN202221335882.3U CN202221335882U CN217386756U CN 217386756 U CN217386756 U CN 217386756U CN 202221335882 U CN202221335882 U CN 202221335882U CN 217386756 U CN217386756 U CN 217386756U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
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Abstract
The utility model relates to a compound watertight cable of high water pressure resistant photoelectricity belongs to cable technical field. The technical scheme is as follows: the cable is composed of an optical cable group layer, an electric power communication line group layer, a control line group layer and an outer protective layer which are arranged in sequence from inside to outside; the electric power communication line group layer consists of a plurality of pairs of communication line groups and a multi-core power line; the optical cable group, the shielding line group, the power line and the control line group are stranded together in a concentric stranding mode in a layering manner to form a cable core, the outer protective layer is arranged outside the cable core, the first water blocking paste is filled between the shielding line group and the power line, and the second water blocking paste is filled between the control line groups. The utility model discloses guaranteed electromagnetic compatibility, eliminated the electromagnetic coupling between the return circuit, made the mutual crosstalk of various signals in transmission process reduce to minimum, reliability and security of having guaranteed the system. Meets the water resistance requirement of 6Mpa (100 m water depth). The cable has excellent mechanical properties, and meets the use requirements of flame retardance, wear resistance, tensile strength, hydrolysis resistance and the like of marine and marine cables.
Description
Technical Field
The utility model relates to a compound watertight cable of resistant high water pressure photoelectricity specifically is a compound watertight cable of resistant high water pressure (6.0 MPa) photoelectricity belongs to cable technical field.
Background
The high water pressure (6.0 MPa) resistant photoelectric composite watertight cable is a comprehensive cable applied to the ocean and the ships. Because it integrates power cable, control cable, signal cable and optical cable into one body, and its working environment is in the sea and on the ship, it has the requirements of resisting moisture, salt fog, mildew and rat bite, in addition to excellent electric property, electromagnetic compatibility and physical and mechanical properties, in particular, it has the characteristics of resisting high water pressure, transverse and longitudinal watertight.
The high water pressure (6.0 MPa) resistant photoelectric composite watertight cable is a comprehensive cable, has wide requirements in civil products and military products at present, and is a trend of development at present. The photoelectric composite watertight cable with high water pressure resistance (6.0 MPa) is applied to the sea and ships. In the sea, it is required to have certain water pressure bearing and transverse and longitudinal watertight performances, and in the ship, for the safety of personnel and ships, it is required to have flame retardant performance. It should also have good electrical and electromagnetic compatibility. These requirements are also the development requirements of modern military products, and the comprehensive cable just meets the requirements of military products. However, the waterproof performance and electrical performance of the existing watertight cable need to be further improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a compound watertight cable of high water pressure resistant photoelectricity, rational in infrastructure, its electrical property is excellent, electromagnetic compatibility is good, high water pressure resistant, horizontal and vertical watertight performance is good, solves the above-mentioned problem that exists among the background art.
The technical scheme of the utility model is that:
a high water pressure resistant photoelectric composite watertight cable is composed of an optical cable layer, a power communication line layer, a control line layer and an outer protective layer which are sequentially arranged from inside to outside;
the optical cable group layer consists of a multi-core optical fiber, factice and a stainless steel pipe, the stainless steel pipe is arranged outside the multi-core optical fiber, and the factice is filled between the multi-core optical fiber and the stainless steel pipe;
the electric power communication line group layer consists of a plurality of pairs of communication line groups and a multi-core power line which are stranded outside the optical cable line group layer, and a first waterproof paste is filled between the plurality of pairs of communication line groups and the multi-core power line; the communication wire group comprises two-core communication wires, a first polyester film, a first aluminum-plastic composite film, a tinning drainage wire and a second polyester film, wherein the communication wires comprise silver-plated copper conductors and crosslinked polyethylene insulators which are arranged inside and outside; the power line consists of a first tin-plated copper conductor and a first crosslinked polyethylene which are arranged inside and outside;
the control line group layer consists of multi-core control lines, the multi-core control lines are concentrically stranded outside the electric power communication line group layer, a second water-blocking paste is filled between the multi-core control lines, and the control lines consist of a second tin-plated copper conductor and a second crosslinked polyethylene which are arranged inside and outside;
the outer jacket comprises polyurethane band, aramid fiber enhancement layer and polyurethane sheath, and the polyurethane band is around the package outside control group line layer, and the aramid fiber enhancement layer is woven outward to the polyurethane band, and the outer crowded package polyurethane sheath of aramid fiber enhancement layer.
The communication line groups and the power lines are same in number and are sequentially alternately and concentrically stranded outside the optical cable line group layer.
The communication line sets are three pairs, and the power line is three cores.
The optical fiber is twelve-core.
The polyurethane sheath is a polyether polyurethane sheath.
The utility model discloses an innovation point:
1. the utility model discloses with the structure of optical cable group layer, electric power communication line group layer, control line group layer with arranging concentric transposition from inside to outside three-layer, with various signal line integration in a cable, supply power, control and communication in an organic whole concurrently, guaranteed electromagnetic compatibility, eliminate the electromagnetic coupling between the return circuit, make the mutual crosstalk of various signals in transmission process reduce to minimum, reliability and security of assurance system.
2. The utility model discloses the inside coating of stranding sinle silk blocks water cream, blocks water cream and meets water rapid expansion, can prevent inside moisture gets into the sinle silk. The water-blocking performance requirement of 6Mpa (100 m water depth) is met by integrating the water-blocking process design.
3. The utility model discloses closely bond integrative technology with polyurethane band, aramid fiber enhancement layer, polyurethane sheath, constitute and synthesize the waterproof sheath of tensile, mechanical properties is excellent, has guaranteed ocean and for boats and ships that use requirements such as cable is fire-retardant, wear-resisting, tensile, prevent hydrolysising.
The utility model discloses an actively the effect: the electromagnetic compatibility is ensured, the electromagnetic coupling between the loops is eliminated, the mutual crosstalk of various signals in the transmission process is reduced to the minimum, and the reliability and the safety of the system are ensured. The water-blocking paste can be rapidly expanded when meeting water, so that water can be prevented from entering the wire core, and the water-blocking performance requirement of 6Mpa (100 m water depth) can be met. The cable has excellent mechanical properties, and meets the use requirements of flame retardance, wear resistance, tensile strength, hydrolysis resistance and the like of marine and marine cables.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: the multi-core optical fiber cable comprises a multi-core optical fiber 1, factice 2, a stainless steel pipe 3, a silver-plated copper conductor 4, a cross-linked polyethylene insulator 5, a polyester film I6, an aluminum-plastic composite film 7, a tinned drainage wire 8, a tinned copper conductor I9, a cross-linked polyethylene I10, a tinned copper conductor II 11, a cross-linked polyethylene II 12, a polyurethane wrapping tape 13, an aramid fiber reinforced layer 14, a polyurethane sheath 15, a water-blocking paste II 16, a polyester film II 17 and a water-blocking paste I18.
Detailed Description
The invention is further described with reference to the following figures and examples:
a high water pressure resistant photoelectric composite watertight cable is composed of an optical cable layer, a power communication line layer, a control line layer and an outer protective layer which are sequentially arranged from inside to outside;
the optical cable group layer consists of a multi-core optical fiber 1, factice 2 and a stainless steel pipe 3, the stainless steel pipe 3 is arranged outside the multi-core optical fiber 1, and the factice 2 is filled between the multi-core optical fiber 1 and the stainless steel pipe 3;
the electric power communication line group layer consists of a plurality of pairs of communication line groups and a multi-core power line which are stranded outside the optical cable line group layer, and a first waterproof paste 18 is filled between the plurality of pairs of communication line groups and the multi-core power line; the communication line group consists of two-core communication lines, a first polyester film 6, an aluminum-plastic composite film 7, a tinning drainage line 8 and a second polyester film 17, the communication lines consist of silver-plated copper conductors 4 and cross-linked polyethylene insulation 5 which are arranged inside and outside, the two-core communication lines are twisted to the outside to wrap the first polyester film 6, the first polyester film 6 is wrapped with the aluminum-plastic composite film 7, the aluminum surface of the aluminum-plastic composite film 7 faces inwards, the tinning drainage line 8 is arranged inside the aluminum-plastic composite film 7, and the second polyester film 17 is wrapped outside the aluminum-plastic composite film 7; the power line consists of a first tin-plated copper conductor 9 and a first cross-linked polyethylene 10 which are arranged inside and outside;
the control line group layer consists of multi-core control lines, the multi-core control lines are concentrically stranded outside the electric power communication line group layer, a second water-blocking paste 16 is filled between the multi-core control lines, and the control lines consist of a second tin-plated copper conductor 11 and a second crosslinked polyethylene 12 which are arranged inside and outside;
the outer jacket comprises polyurethane band 13, aramid fiber enhancement layer 14 and polyurethane sheath 15, and polyurethane band 13 is around wrapping outside control group line layer, and aramid fiber enhancement layer 14 is woven outward to polyurethane band 13, and aramid fiber enhancement layer 14 is crowded package polyurethane sheath 15 outward.
The optical cable group layer is located in the center of the cable and comprises optical fibers, factice and a stainless steel pipe, the factice is water-blocking factice, water can be prevented from entering the optical fiber group, heat insulation and protection effects are achieved, the optical fibers are prevented from being damaged, the stainless steel pipe has good mechanical performance, and the protection effect on the optical fibers can be achieved well.
The optical fiber is arranged in the center of the stainless steel tube, so that the problem that the tension is not easy to control when the optical fiber is mixed with other power lines and communication lines to form a cable is avoided.
The typical specification of the power line is 12AWG, and the conductor adopts a 19/0.48 tin-plated copper conductor; the typical specification of the communication wire is 22AWG, and the conductor adopts a 19/0.16 silver-plated copper conductor; the typical specification of the control line is 14AWG, the conductors adopt 19/0.38 tin-plated copper conductors, the specific conductor processes are all that 1+6+12 are twisted together in a regular arrangement mode, the twisting direction is the left direction, and the twisting pitch is 12-14 times of the twisting outer diameter.
The silver-plated copper conductor of the communication wire has better conductivity and better corrosion resistance, the power line, the shielding line and the control line are insulated by adopting 105 ℃ irradiation crosslinked polyethylene, the dielectric constant is small, the material does not absorb water, the silver-plated copper conductor has excellent mechanical property and electrical insulation property, and the temperature resistance level of the cable is improved.
The communication line group is formed by twisting two-core communication lines together, the twisting pitch is 20-40 mm, a first polyester film layer is wrapped around the twisted two-core communication lines, a first aluminum-plastic composite film layer is wrapped around the first polyester film layer, the aluminum surface of the aluminum-plastic composite film layer faces inwards, a 7/0.2 tinning drainage line is wrapped inside the aluminum-plastic composite film layer, and a second polyester film layer is wrapped around the aluminum-plastic composite film layer. The shielding layer of the aluminum composite film and the design of the built-in tinning drainage wire can reduce the signal interference in the signal transmission process, and the signal transmission stability of the signal wire is ensured.
The electric power communication line group layer and the control line group layer are internally added with conductive water-blocking glue, the specific implementation process is that the customized gluing device is used for uniformly coating the conductive water-blocking glue in the conductor stranded wire process, so that the performance requirements of the conductor are met, and the water-blocking performance of the conductor is also ensured.
The optical cable group is a first layer in the center of the cable, the shielding group and the power line are second layers, the control group is a third layer, and the first layer, the second layer and the third layer form a cable core. The optical cable group, the shielding line group, the power line and the control line group are stranded together in a concentric stranding mode in a layered mode, the stranding direction of the second layer is the right direction, the stranding direction of the third layer is the left direction, and the cable pitch-diameter ratio is 12-14D.
The water blocking paste is uniformly coated in a wire core gap when the second layer and the third layer are mixed to form a cable, the water blocking paste rapidly expands when meeting water, moisture can be prevented from entering the wire core, and the test meets the 6Mpa water pressure test.
The third layer of externally-wound and wrapped polyurethane wrapping belt 13 is good in flexibility and self-adhesive, the cable core can be guaranteed not to be loose, and in addition, water blocking paste can be prevented from overflowing out of the wrapping belt.
The polyurethane coated belt is externally woven with an aramid fiber reinforced layer and used as a tensile element of the cable, and the specific embodiment is that 600d x 3 aramid fiber yarns are selected to be wound on a spindle of a weaving machine and then woven by a 24-spindle weaving machine, a weaving angle is designed to be 60' 80 degrees, and the woven aramid fiber yarns are stable in structure, good in flexibility and capable of playing a tensile role well.
The anti-ultraviolet flame-retardant polyether type polyurethane sheath is extruded outside the aramid fiber reinforced layer, and the polyether type polyurethane material has the advantages of good mechanical property, wear resistance, hydrolysis resistance, corrosion resistance and the like, has excellent comprehensive performance, and meets the use requirements of oceans and ships.
The cable forming core is wrapped with a polyurethane wrapping belt, the polyurethane wrapping belt is wrapped with an aramid fiber reinforcing layer, the braided aramid fiber core is placed in an oven to be heated and dried at 50-60 ℃, moisture of braided aramid fiber is removed, the aramid fiber core is dried and then wrapped with a layer of Bassfer polyether 1185A polyurethane sheath, and the extrusion temperature of the polyurethane from a feed port to a die opening is 150 ℃, 165 ℃, 180 ℃, 190 ℃ and 190 ℃ in sequence. The polyurethane material has good mechanical property, wear resistance, hydrolysis resistance, corrosion resistance and the like, has excellent comprehensive performance, and meets the use requirements of oceans and ships. Because the base materials of the polyurethane sheath and the polyurethane wrapping tape are consistent, the two materials can be tightly bonded together at the moment that the polyurethane sheath extrudes high temperature, and the polyurethane wrapping tape, the aramid fiber reinforced layer and the polyurethane sheath form a comprehensive sheath, so that the comprehensive sheath has good tensile and waterproof properties.
Referring to fig. 1, in the present embodiment, the first optical cable group layer in the center of the cable is composed of 12-core optical fibers 1, grease 2 and a stainless steel tube 3, the stainless steel tube 3 serves as a protective layer for the optical fibers, and the grease 2 is filled between the optical fibers and the stainless steel tube. The second layer of electric power communication line group layer is composed of 3 pairs of communication line groups and 3-core power lines, each communication line group is composed of a silver-plated copper conductor 4 and a cross-linked polyethylene insulator 5, and the silver-plated copper conductor has better conductivity and better corrosion resistance. The twisted 2-core communication wire is wrapped with a first polyester film 6, the first polyester film 6 is wrapped with an aluminum-plastic composite film 7, the aluminum surface of the aluminum-plastic composite film 6 faces inwards, the aluminum-plastic composite film 6 is internally coated with a tin drainage wire 8, and the aluminum-plastic composite film 7 is wrapped with a second polyester film 17. The design of the shielding layer of the aluminum-plastic composite film and the built-in tinned drainage wire can reduce signal interference in the signal transmission process and ensure stable signal transmission of the signal wire. The power line is composed of a tin-plated copper conductor I9 and a cross-linked polyethylene I10. The third control wire group layer consists of 14 control wires, and the control wires consist of a second tin-plated copper conductor 11 and a second crosslinked polyethylene 12. The outer protective layer of fourth layer comprises polyurethane band 13, aramid fiber enhancement layer 14 and polyurethane sheath 15, and polyurethane band 13 is around the package outside control group line layer, and aramid fiber enhancement layer 14 is woven outward to polyurethane band 13, and aramid fiber enhancement layer 14 is crowded package polyurethane sheath 15 outward.
Claims (5)
1. The utility model provides a compound watertight cable of resistant high water pressure photoelectricity which characterized in that: the cable is composed of an optical cable group layer, an electric power communication line group layer, a control line group layer and an outer protective layer which are arranged in sequence from inside to outside;
the optical cable group layer consists of a multi-core optical fiber (1), factice (2) and a stainless steel pipe (3), the stainless steel pipe (3) is arranged outside the multi-core optical fiber (1), and the factice (2) is filled between the multi-core optical fiber (1) and the stainless steel pipe (3);
the electric power communication line group layer consists of a plurality of pairs of communication line groups and a multi-core power line which are stranded outside the optical cable line group layer, and a first waterproof paste (18) is filled between the plurality of pairs of communication line groups and the multi-core power line; the communication line set comprises two-core communication lines, a first polyester film (6), an aluminum-plastic composite film (7), a tinning drainage line (8) and a second polyester film (17), the communication lines comprise a silver-plated copper conductor (4) and a cross-linked polyethylene insulator (5) which are arranged inside and outside, the two-core communication lines are twisted to wrap the first polyester film (6) outwards, the first polyester film (6) is wrapped with the aluminum-plastic composite film (7) outwards, the aluminum surface of the aluminum-plastic composite film (7) faces inwards, the inner side of the aluminum-plastic composite film (7) is wrapped with the tinning line (8), and the outer side of the aluminum-plastic composite film (7) is wrapped with the second polyester film (17) again; the power line consists of a tin-plated copper conductor (9) and a cross-linked polyethylene I (10) which are arranged inside and outside;
the control line group layer consists of multi-core control lines, the multi-core control lines are concentrically stranded outside the electric power communication line group layer, a second water-blocking paste (16) is filled between the multi-core control lines, and the control lines consist of a second tin-plated copper conductor (11) and a second cross-linked polyethylene (12) which are arranged inside and outside;
the outer jacket comprises polyurethane band (13), aramid fiber enhancement layer (14) and polyurethane sheath (15), and polyurethane band (13) are around the package outside control group layer, and aramid fiber enhancement layer (14) are woven outward in polyurethane band (13), and extruded package polyurethane sheath (15) outward in aramid fiber enhancement layer (14).
2. The high water pressure resistant photoelectric composite watertight cable according to claim 1, wherein: the number of the communication line groups and the number of the power lines are the same, and the communication line groups and the power lines are sequentially alternately and concentrically stranded outside the optical cable line group layer.
3. The high water pressure resistant photoelectric composite watertight cable according to claim 2, wherein: the communication wire sets are three pairs, and the power wires are three cores.
4. The high water pressure resistant photoelectric composite watertight cable according to claim 1 or 2, wherein: the optical fiber (1) is twelve-core.
5. The high water pressure resistant photoelectric composite watertight cable according to claim 1 or 2, wherein: the polyurethane sheath (15) is a polyether polyurethane sheath.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221335882.3U CN217386756U (en) | 2022-05-31 | 2022-05-31 | High-water-pressure-resistant photoelectric composite watertight cable |
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| CN202221335882.3U CN217386756U (en) | 2022-05-31 | 2022-05-31 | High-water-pressure-resistant photoelectric composite watertight cable |
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| CN217386756U true CN217386756U (en) | 2022-09-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116560021A (en) * | 2023-04-11 | 2023-08-08 | 广东长天光电科技有限公司 | A high-temperature-resistant loose-tube optical cable for aviation and its preparation method |
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2022
- 2022-05-31 CN CN202221335882.3U patent/CN217386756U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116560021A (en) * | 2023-04-11 | 2023-08-08 | 广东长天光电科技有限公司 | A high-temperature-resistant loose-tube optical cable for aviation and its preparation method |
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