CN209766073U - Deep water-resistant photoelectric composite cable - Google Patents
Deep water-resistant photoelectric composite cable Download PDFInfo
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- CN209766073U CN209766073U CN201920594743.4U CN201920594743U CN209766073U CN 209766073 U CN209766073 U CN 209766073U CN 201920594743 U CN201920594743 U CN 201920594743U CN 209766073 U CN209766073 U CN 209766073U
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Abstract
The utility model discloses a deep water resistant photoelectric composite cable, photoelectric composite cable includes from outer to inner in proper order: elastomer oversheath (7), double-deck armor tensile layer (6), elastomer inner sheath (5), first plastic-aluminum are around covering shielding layer (4), inside sandwich layer (3) comprise 2n electric conductor (301), strand layer (2), four ways optical unit (1) transposition. The utility model has the advantages that through the design of the double-layer armored tensile layer and the multi-layer elastomer sheath, the bearing force is strengthened, the uniform conduction distribution of pressure is ensured, and the structural strength of the cable is improved; by adopting the light material processing technology, the unit density is low and the bending resistance radius is small after cabling, so that the photoelectric composite cable can be flexibly laid; through the filling structure design of the inner core layer, the supporting strength of the composite cable is improved, and the problems of electric conductor impedance attenuation and optical unit signal attenuation caused by the stress of the optical unit, the electric conductor and the twisted-pair signal wire are reduced, so that the communication distance is prolonged.
Description
Technical Field
The utility model relates to a deep water equipment field, more specifically relates to a deep water resistant photoelectric composite cable.
Background
The photoelectric composite cable is an environment-friendly composite cable formed by compounding a feeder line and a tight-sleeved optical fiber, and a single-mode optical fiber is compounded in a traditional optical cable, so that the photoelectric composite cable has the function of long-distance reliable communication.
The existing photoelectric composite cable for marine communication has the advantages of large overall dimension, high unit density, poor tensile and bending resistance, limited application range, and the like, is only suitable for fixed laying and burying, and has the technical problems of insufficient structural strength, limited communication distance, incapability of flexible laying in deep sea underwater environment and the like aiming at the application requirements of deep sea underwater equipment.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an it is not high to overcome the deep water among the above-mentioned prior art and use photoelectricity to accord with cable structural strength, and communication distance is limited, and at least a defect that environment was nimble to be laid under the unable deep sea provides a deep water resistant photoelectricity composite cable method.
The utility model discloses aim at solving above-mentioned technical problem to a certain extent at least.
The utility model discloses a first purpose is for solving above-mentioned technical problem, the technical scheme of the utility model as follows:
A deepwater-resistant photoelectric composite cable comprises the following components in sequence from outside to inside: elastomer oversheath, double-deck armor tensile layer, elastomer inner sheath, first plastic-aluminum are around covering shielding layer, inside sandwich layer comprises 2n electric conductors, strand layer, four ways optical unit transposition, and wherein the strand layer is in photoelectric composite cable central point and puts, and 2n electric conductors and four ways optical unit twine in the strand layer outside, and wherein the value of n is for being less than or equal to 3 positive integer.
Furthermore, the center of inside sandwich layer is equipped with the hinge line layer, the periphery on hinge line layer is equipped with second plastic-aluminum around the package shielding layer, the second plastic-aluminum is equipped with two the same two hank signal lines of symmetry setting of specification in the package shielding layer, and every hank signal line all is equipped with the insulating layer, it has a plurality of filling wires to fill around the hank signal line.
the cross section area of the conductors in the twisted-pair signal wire is greater than or equal to 0.35mm 2, the twisted pair is adaptive to a general signal protocol, and the electromagnetic shielding property of the photoelectric composite cable is further improved by the aluminum-plastic wrapping shielding layer and the outer sheath.
Furthermore, the optical cable is characterized in that four optical units and 2n electric conductors are arranged between the first aluminum-plastic lapping shielding layer and the second aluminum-plastic lapping shielding layer, two optical units are one group and two groups in total, continuous n electric conductors are arranged between the optical unit groups and the optical unit groups, wherein the value of n is a positive integer less than or equal to 3, and each electric conductor is provided with a sheath.
Furthermore, a stainless steel sleeve is arranged outside each path of optical unit, 2m optical fibers are arranged in the stainless steel sleeve, each optical fiber is provided with a polyethylene protective layer, and the value of m is a positive integer greater than or equal to 3. Each path of optical unit is fixed through a stainless steel sleeve, and the requirements on the integrity and the external diameter strength of optical fibers are met by using a polyethylene protective layer, so that the signal attenuation of an optical path is reduced. The number of the optical fibers is filled with related quantity according to the requirement so as to meet the use requirement of high-bandwidth multi-channel, and meanwhile, the optical fibers are colored in a dark color so as to increase the light path identification degree.
Furthermore, the single conductors of the electric conductors are stranded by oxygen-free tin-plated soft copper wires with the purity of 99.99%, the sectional area of the conductors is larger than or equal to 1mm 2, the impedance of the single conductors is smaller than 20 ohms, the electric conductors can be combined and designed according to specific requirements, different conductive impedance requirements are met, and the low loss of the lines ensures the long-distance communication use.
Furthermore, the elastomer outer sheath and the elastomer inner sheath are made of light elastic environment-friendly materials, and the double-layer armored tensile layer is made of aramid fiber materials. The utility model discloses a light elasticity environmental protection material can provide good tensile and compression ductility as the elastomer sheath, makes photoelectric composite cable unit density little, is convenient for lay. The radial bending resistance and the axial tensile strength are improved through double-layer armoring, and the pressure resistance and the waterproof sealing performance are improved through multi-layer protection.
Further, the light elastic environment-friendly material is polyurethane.
Further, the cable diameter of the photoelectric composite cable is less than or equal to 24 mm. The bending resistance radius is small, and the transportation, the storage and the outdoor distribution and use are convenient.
Compared with the prior art, the utility model discloses technical scheme's beneficial effect is:
1. The utility model discloses a design of double-deck armor tensile layer makes photoelectric composite cable load strengthen, and the atress is even, through the design of multilayer elastomer sheath, guarantees the even conduction distribution of pressure, has improved photoelectric composite cable structural strength.
2. The utility model discloses an adopt light material processing technology, the unit density is low behind the stranding, and anti bending radius is little, makes the compound cable of photoelectricity can lay in a flexible way.
3. The utility model discloses a filling structural design of inside sandwich layer has improved photoelectric composite cable and has supported intensity, effectively avoids optical unit, electric conductor and two signal line atress of twisting, causes electric conductor impedance decay and optical unit signal attenuation problem to communication distance has been prolonged.
Drawings
Fig. 1 is a schematic structural diagram of an optical-electrical composite cable.
Reference numerals: 1-optical unit, 101-optical fiber, 102-polyethylene sheath, 103-stainless steel sleeve, 2-twisted wire layer, 201-twisted signal wire, 202-insulating layer, 203-filling wire, and 204-second aluminum-plastic lapping shielding layer; 3-inner core layer, 301-electric conductor, 302-sheath, 4-first aluminum plastic lapping shielding layer, 5-elastomer inner sheath, 6-double-layer armored tensile layer and 7-elastomer outer sheath.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and examples.
Example 1
As shown in fig. 1, the utility model provides a high structural strength's photoelectric composite cable is realized through the inseparable pressfitting of many envelope structures of combined material. The photoelectric composite cable sequentially comprises from outside to inside: elastomer oversheath 7, double-deck armor tensile layer 6, elastomer inner sheath 5, first plastic-aluminum are around covering shielding layer 4, inside sandwich layer 3 comprises 2n electric conductors 301, strand layer 2, four ways optical unit 1 transposition, and wherein strand layer 2 is in photoelectric composite cable central point and puts, and 2n electric conductors 301 and four ways optical unit 1 winding are in the strand layer 2 outside, and wherein the value of n is for being less than or equal to 3 positive integer.
The center of inside sandwich layer 3 is equipped with hinge line layer 2, the periphery on hinge line layer 2 is equipped with second plastic-aluminum around package shielding layer 204, second plastic-aluminum is equipped with two specifications the same symmetry setting twisted pair signal line 201 around being equipped with in the package shielding layer 204, and every twisted pair signal line 201 all is equipped with insulating layer 202, it has a plurality of filling wires 203 to fill around twisted pair signal line 201, in this embodiment insulating layer 202 is the fluoroplastics insulating layer, twisted pair signal line 201 adopts the tinned twisted pair.
The diameter of the filler wire 203 in this embodiment is greater than or equal to 2mm, which can ensure the double-twisted roundness and improve the center compressive strength, the sectional area of the conductor in the double-twisted signal wire 201 is greater than or equal to 0.35mm 2, the double-signal wire 201 is adapted to a general signal protocol, and the aluminum-plastic wrapping shielding layer and the outer sheath further improve the electromagnetic shielding property of the photoelectric composite cable.
First plastic-aluminum is around being equipped with four ways light unit 1 and 2n electric conductors 301 around covering shielding layer 4 and second plastic-aluminum around covering shielding layer 204 between, and wherein the value of n is for being less than or equal to 3 positive integer, adopts four ways light unit 1 in this embodiment, and the design of four ways light unit is for the optimal design that can satisfy current user demand. The two paths of the optical units 1 are a group, and the two paths are two groups, n continuous electric conductors 301 are arranged between the optical unit groups, wherein the value of n is a positive integer less than or equal to 3, each electric conductor 301 is provided with a sheath 302, the sheath 302 in this embodiment is a polyethylene sheath, and the design of 6 electric conductors 301 is selected in this embodiment.
The outside of each optical unit 1 is provided with a stainless steel sleeve 103, 2m optical fibers 101 are arranged in the stainless steel sleeve 103, each optical fiber 101 is provided with a polyethylene sheath 102, and the value of m is a positive integer greater than or equal to 3. Each path of optical unit 1 is fixed through a stainless steel sleeve 103, and the polyethylene sheath 102 is used for ensuring the integrity of optical fibers and the requirement on the external diameter strength, so that the signal attenuation of an optical path is reduced. The number of the optical fibers is filled with related quantity according to the requirement so as to meet the use requirement of high-bandwidth multi-channel, and meanwhile, the optical fibers are colored in a dark color so as to increase the light path identification degree.
The single electrical conductor 3 is stranded by the oxygen-free tin-plated soft copper wire with the purity of 99.99%, the sectional area of the conductor is greater than or equal to 1mm 2, the impedance of the single electrical conductor 3 is less than 20 ohms, the electrical conductor can be designed in a combined mode according to specific requirements, different conductive impedance requirements are met, and the low loss of a circuit ensures long-distance communication.
The elastomer outer sheath 7 and the elastomer inner sheath 5 are made of light elastic environment-friendly materials, and the double-layer armored tensile layer 6 is made of aramid fiber materials. The utility model discloses a light elasticity environmental protection material can provide good tensile and compression ductility as the elastomer sheath, makes photoelectric composite cable unit density little, is convenient for lay. The radial bending resistance and the axial tensile strength are improved through double-layer armoring, and the pressure resistance and the waterproof sealing performance are improved through multi-layer protection. The light elastic environment-friendly material is polyurethane.
The cable diameter of the photoelectric composite cable of the utility model is less than or equal to 24 mm. The bending resistance radius is small, and the transportation, the storage and the outdoor distribution and use are convenient.
the utility model has the advantages as follows:
1. The utility model discloses a design of double-deck armor tensile layer makes photoelectric composite cable load strengthen, and the atress is even, through the design of multilayer elastomer sheath, guarantees the even conduction distribution of pressure, has improved withstand voltage, waterproof and the tensile strength of photoelectric composite cable.
2. The utility model discloses an adopt light material processing technology, the unit density is low after the stranding, and anti bending radius is little, reduces to remove the cloth and puts the operation degree of difficulty.
3. The utility model discloses a nonrust steel casing design of optical unit and the filling structure design of inside sandwich layer have improved photoelectric composite cable and have supported intensity, effectively avoid optical unit, electric conductor and two signal line atress, cause electric conductor impedance decay and optical unit signal attenuation problem.
The same or similar reference numerals correspond to the same or similar parts;
The terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent;
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (9)
1. The deep water resistant photoelectric composite cable is characterized by comprising the following components in sequence from outside to inside: elastomer oversheath (7), double-deck armor tensile layer (6), elastomer inner sheath (5), first plastic-aluminum are around covering shielding layer (4), inside sandwich layer (3) comprises 2n electric conductor (301), strand layer (2), four ways optical unit (1) transposition, and wherein strand layer (2) are in photoelectric composite cable central point and put, and 2n electric conductor (301) and four ways optical unit (1) twine in the strand layer (2) outside, and wherein the value of n is for being less than or equal to 3 positive integer.
2. The deep water resistant photoelectric composite cable according to claim 1, wherein a twisted wire layer (2) is arranged at the center of the inner core layer (3), a second aluminum-plastic wrapped shielding layer (204) is arranged at the periphery of the twisted wire layer (2), two symmetrically arranged twisted-pair signal wires (201) with the same specification are arranged in the second aluminum-plastic wrapped shielding layer (204), each twisted-pair signal wire (201) is provided with an insulating layer (202), and a plurality of filling wires (203) are filled around the twisted-pair signal wires (201).
3. The deep water resistant photoelectric composite cable of claim 2, wherein the diameter of the filler wire (203) is greater than or equal to 2mm, and the cross-sectional area of the conductors in the twisted pair signal wires (201) is greater than or equal to 0.35mm 2.
4. The deep water resistant photoelectric composite cable according to any one of claims 1 to 3, wherein four optical units (1) and 2n electrical conductors (301) are arranged between the first aluminum-plastic wrapped shielding layer (4) and the second aluminum-plastic wrapped shielding layer (204), the two optical units (1) are in one group, and there are two groups, and there are n continuous electrical conductors (301) arranged between the optical units (1) and the groups, where n is a positive integer less than or equal to 3, and each electrical conductor (301) is provided with a sheath (302).
5. The deep water resistant photoelectric composite cable according to claim 4, wherein the outside of each optical unit (1) is a stainless steel sleeve (103), 2m optical fibers (101) are arranged in the stainless steel sleeve (103), each optical fiber (101) is provided with a polyethylene sheath (102), and m is a positive integer greater than or equal to 3.
6. The deep water resistant photoelectric composite cable according to claim 1, wherein the single wires of the electric conductor (301) are stranded by oxygen-free tin-plated soft copper wires with the purity of 99.99%, the cross-sectional area of the conductor is greater than or equal to 1mm 2, and the impedance of the single wire of the electric conductor (301) is less than 20 ohms.
7. The deep water resistant photoelectric composite cable according to claim 1, wherein the elastomer outer sheath (7) and the elastomer inner sheath (5) are made of light elastic environment-friendly materials, and the double-layer armored tensile layer (6) is made of aramid fiber materials.
8. The deep water resistant photoelectric composite cable according to claim 7, wherein the lightweight elastic environment-friendly material is polyurethane.
9. The deep water resistant photoelectric composite cable according to any one of claims 5 to 8, wherein the cable diameter of the photoelectric composite cable is less than or equal to 24 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920594743.4U CN209766073U (en) | 2019-04-26 | 2019-04-26 | Deep water-resistant photoelectric composite cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920594743.4U CN209766073U (en) | 2019-04-26 | 2019-04-26 | Deep water-resistant photoelectric composite cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209766073U true CN209766073U (en) | 2019-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920594743.4U Active CN209766073U (en) | 2019-04-26 | 2019-04-26 | Deep water-resistant photoelectric composite cable |
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| Country | Link |
|---|---|
| CN (1) | CN209766073U (en) |
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2019
- 2019-04-26 CN CN201920594743.4U patent/CN209766073U/en active Active
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