CN114005607A - Composite cable for ships and warships and manufacturing method thereof - Google Patents
Composite cable for ships and warships and manufacturing method thereof Download PDFInfo
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- CN114005607A CN114005607A CN202111276616.8A CN202111276616A CN114005607A CN 114005607 A CN114005607 A CN 114005607A CN 202111276616 A CN202111276616 A CN 202111276616A CN 114005607 A CN114005607 A CN 114005607A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/012—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing wire harnesses
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Abstract
The composite cable for the ship comprises a wrapping cable, and a power line, an illumination line, a control line, a data signal line and a filling line which are arranged in the wrapping cable; the wrapping cable comprises an outer protective layer, a main shielding layer and an assembly cable wrapping layer which are sequentially arranged from outside to inside, and filling wires are arranged among the assembly cable wrapping layer, the power wire, the lighting wire, the control wire and the data signal wire; the control line comprises a stranded conductor, a control insulating layer, a wrapping layer before control, a control shielding layer and a wrapping layer after control which are sequentially arranged from inside to outside. According to the composite cable for the ship and the manufacturing method thereof, cables with different functions are combined into one cable bundle, and the cable wrapping layer, the total shielding layer and the outer protective layer are arranged outside the cable bundle respectively, so that the cable bundle is not required to be laid on a construction site on the ship, a large amount of space is saved, the cable bundle can be quickly installed, the cables with different functions cannot interfere with each other during working, and the composite cable is suitable for use requirements on the ship.
Description
Technical Field
The invention relates to the field of wires and cables, in particular to a composite cable for ships and a manufacturing method thereof.
Background
In order to strengthen the consciousness of the sea rights and maintain the national benefits, the navy is transformed from a yellow navy of offshore defense type to a blue navy of remote attack defense type, and the navy is transformed from a submarine as a center to a large surface navy as a core. The number of ships in China will further increase in the future, and the ships comprise seven large ship groups, namely aircraft carriers, destroyer ships, guard ships, submarines, amphibious landing ships, supply ships and medical ships. Future developments in ships also appear: the whole large-scale, intelligent, automatic and information system is more deeply applied. These future trends do not depart from the development of infrastructure on ships, such as marine wire and cable.
The composite cable for the naval vessel integrates the four cables of power, illumination, control and data signals into a whole through reasonable design of a process structure, and has no mutual interference during working, so that the composite cable meets the requirements of intelligent equipment wires of the present naval vessel and future naval vessels. The existing cables for ships are mostly bound into a whole by a plurality of cables, so that a large amount of laying space is occupied, and the installation time is prolonged.
Disclosure of Invention
In view of the above, there is a need to provide a composite cable for ships and a method for manufacturing the same.
In a first aspect, the application provides a composite cable for ships, which comprises a wrapping cable, and a power line, an illumination line, a control line, a data signal line and a filling line which are arranged in the wrapping cable;
the wrapping cable comprises an outer protective layer, a main shielding layer and an assembly cable wrapping layer which are sequentially arranged from outside to inside, and the filling wires are arranged between the assembly cable wrapping layer and the power wire, between the assembly cable wrapping layer and the illumination wire, between the assembly cable wrapping layer and the control wire and between the assembly cable wrapping layer and the data signal wire;
the control line comprises a stranded conductor, a control insulating layer, a wrapping layer before control, a control shielding layer and a wrapping layer after control, which are sequentially arranged from inside to outside.
In certain implementations of the first aspect, the cable-wrapped layer is wrapped with a ceramic mica tape.
With reference to the first aspect and the implementations described above, in certain implementations of the first aspect, the total shield layer is woven from corrosion-resistant fine tinned copper wire, the shield weave density being greater than 90%.
With reference to the first aspect and the foregoing implementation manners, in some implementation manners of the first aspect, the material of the outer protective layer is a halogen-free low-smoke flame-retardant low-toxicity irradiation cross-linked polyether-type TPEE elastomer sheath material.
With reference to the first aspect and the foregoing implementation manners, in some implementation manners of the first aspect, the stranded conductor is formed by mixing and stranding a plurality of tinned copper wires and galvanized steel wires in a number of 6:1, and the stranding pitch is 6-8 times of the outer diameter of the conductor; the material of the control insulating layer is thin-walled radiation cross-linked halogen-free low-smoke flame-retardant polyolefin with high insulation resistance at 105 ℃; the material around the covering before the control with around the covering after the control is ceramic mica tape, the control shielding layer is woven by the tinned copper wire and is formed.
With reference to the first aspect and the foregoing implementation manners, in some implementation manners of the first aspect, the filling line includes a filling core and a filling insulating layer that are sequentially arranged from inside to outside; the filling core is a Kevlar core, and the filling layer is made of polyether type TPEE.
With reference to the first aspect and the foregoing implementation manners, in some implementation manners of the first aspect, the conductor of the power line is formed by mixing and twisting a plurality of tinned copper wires with a monofilament diameter of 0.08mm and galvanized steel wires with a monofilament diameter of 0.08mm in a 6:1 manner, and the twisting pitch is 6-8 times of the outer diameter of the conductor; the insulating layer material of the power line is 105 ℃ high insulation resistance thin-wall type irradiation crosslinking halogen-free low-smoke flame-retardant polyolefin.
In a second aspect, the present application provides a method for manufacturing a composite cable for a ship, for producing the composite cable for a ship as described in the first aspect of the present application, comprising the steps of:
respectively producing a power line, an illumination line, a control line and a data signal line by an extrusion process;
the power line, the lighting line, the control line, the data signal line and the filling line are combined into a whole through the cabling wrapping layer, and are stranded into a cable by adopting a 1+6 rule to obtain a composite cable core;
weaving the outer shielding layer on the peripheral side of the composite cable core, wherein the weaving density is more than 90%;
and extruding the outer protective layer outside the outer layer shielding layer by adopting semi-extrusion vacuum to obtain the composite cable for the ship.
In certain implementations of the second aspect, the insulating layers of the power line, the illumination line, the control line, and the data signal line each have a thickness of 0.20 to 0.30 mm.
In certain implementations of the second aspect, the producing of the data signal line further comprises:
2 insulated wire cores of the data signal wires are paired, and a 105 ℃ high-temperature polyester tape is wound and wrapped to obtain a twisted group wire core of the data signal wires;
and sleeving the shielding layer of the data signal wire outside the twisted pair data signal wire core, cabling the data signal wire to obtain a group cable core, and braiding and shielding the group cable core to obtain the data signal wire.
The technical scheme provided by the embodiment of the invention has the following beneficial technical effects:
according to the composite cable for the ship and the manufacturing method thereof, cables with different functions are combined into one cable bundle, and the cable wrapping layer, the total shielding layer and the outer protective layer are arranged outside the cable bundle respectively, so that the cable bundle is not required to be laid on a construction site on the ship, a large amount of space is saved, quick installation can be realized, the cables with different functions cannot interfere with each other during working, the respective functions can be fully exerted, and the use requirements on the ship are met.
Additional aspects and advantages of the present invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic cross-sectional structure view of a naval vessel composite cable according to an embodiment of the present invention.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Possible embodiments of the invention are given in the figures. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein by the accompanying drawings. The embodiments described by way of reference to the drawings are illustrative for the purpose of providing a more thorough understanding of the present disclosure and are not to be construed as limiting the present invention. Furthermore, if a detailed description of known technologies is not necessary for illustrating the features of the present invention, such technical details may be omitted.
It will be understood by those skilled in the relevant art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It is to be understood that the term "and/or" as used herein is intended to include all or any and all combinations of one or more of the associated listed items.
The technical solution of the present invention and how to solve the above technical problems will be described in detail with specific examples.
An embodiment of a first aspect of the present application provides a composite cable for a ship, as shown in fig. 1, including a wrapping cable, and a power line, an illumination line, a control line, a data signal line and a filling line which are arranged in the wrapping cable; the wrapping cable comprises an outer protective layer, a main shielding layer and an assembly cable wrapping layer which are sequentially arranged from outside to inside, and filling wires are arranged among the assembly cable wrapping layer, the power wire, the lighting wire, the control wire and the data signal wire; the control line comprises a stranded conductor, a control insulating layer, a wrapping layer before control, a control shielding layer and a wrapping layer after control which are sequentially arranged from inside to outside. The stranded conductor is provided with one or more, and the stranded conductor can comprise a plurality of control wire conductors.
The power line comprises a power line core, and the power line core comprises a plurality of power line conductors. And a power line insulating layer is wrapped outside the power line conductor. The illumination line comprises an illumination wire core, and the illumination cable core group is formed by stranding once, so that the illumination cable core group is convenient to install. The data signal line comprises a data signal line core, the data signal line core comprises a plurality of data signal line conductors, the data signal line conductors are wrapped with data signal line insulating layers, the insulating layers are wrapped with wrapping layers after being twisted in pairs, the wrapping layers are wrapped with woven sub-shielding layers, and the wires are wrapped with woven total shielding layers after being cabled and wrapped after being shielded and woven.
In certain implementations of the first aspect, the assembly cable wrapping layer is wrapped with a ceramic mica tape.
With reference to the first aspect and the implementations described above, in certain implementations of the first aspect, the total shield layer is woven from corrosion-resistant fine tinned copper wire, the shield weave density being greater than 90%.
Optionally, in certain implementation manners of the embodiment of the first aspect, the material of the outer protective layer is a halogen-free low-smoke flame-retardant low-toxicity irradiation cross-linked polyether type TPEE elastomer sheathing material. The outer protective layer is made of a halogen-free low-smoke flame-retardant low-toxicity irradiation crosslinking polyether type TPEE elastomer sheath material, and the material has the advantages of bending resistance, seawater resistance, cold resistance and the like; the materials of the outer shielding layer, the control line and all the braided shielding layers of the data signal line are tinned copper wires of an electroplating process, the tinned copper wires of the electroplating process have the advantages of uniform plating, oil resistance (the plating of the tinned wires is complete at 120 ℃/48 h) and the like, the braiding density is not less than 95%, the anti-magnetic field and anti-interference capability of each wire core of the whole composite cable is improved through high-density braiding, and the normal operation of the cable is ensured when the cable is electrified; the filler is a Kevlar wire core and a polyether TPEE elastomer sheath material extruded to serve as the filler wire, the Kevlar wire has the advantages of high strength, good toughness, high temperature resistance and the like, and the polyether TPEE has the advantages of bending resistance, seawater resistance, cold resistance and the like. Furthermore, one side of the outer shielding layer, which is far away from the outer protective layer, is provided with a wrapping tape, the material of the wrapping tape is a ceramic polyolefin fireproof tape, the wrapping tape has high strength (larger than 90N/10mm), the wrapping tape is continuously wrapped and is self-extinguishing when being away from fire, the ceramic hard supporting armored shell can have the bending strength of more than 12MPa through the high temperature of 950-1300 ℃ in the test.
Optionally, the stranded conductor is formed by mixing and stranding a plurality of tinned copper wires and galvanized steel wires according to the number of 6:1, and the stranding pitch is 6-8 times of the outer diameter of the conductor; the material of the control insulating layer is thin-walled radiation crosslinking halogen-free low-smoke flame retardant polyolefin with high insulation resistance at 105 ℃; the wrapping layer before control and the wrapping layer after control are both made of ceramic mica tapes, and the control shielding layer is formed by weaving tinned copper wires. Furthermore, the power line conductor, the lighting line conductor, the control line conductor and the data signal line conductor can be formed by carrying out mixed stranding on tinned copper wires with the monofilament diameter of 0.08mm and galvanized steel wires with the monofilament diameter of 0.08mm according to the number of 6:1, the stranded structure adopts a physically stable 1+6 regular stranded structure, the stranded pitch adopts the conductor outer diameter of 6-8 times for tight stranding, if the stranded pitch is smaller than the pitch, the conductor jumps in the stranded process, the outer diameter of the surface of the conductor is uneven in size, the insulation wire core is broken when extruded, and if the stranded pitch is larger than the designed pitch, the insulation wire core of the conductor is easily broken in the bending and twisting processes.
Optionally, the filling line comprises a filling core and a filling insulating layer which are sequentially arranged from inside to outside; the filling core is a Kevlar core, and the filling layer is made of polyether type TPEE. The packing core made of the Kevlar core material has the advantages of high strength, good toughness, high temperature resistance and the like, and the packing layer of the packing wire is formed by extruding polyether type TPEE, so that the packing core has the advantages of bending resistance, seawater resistance, cold resistance and the like.
With reference to the first aspect and the implementation manners, in some implementation manners of the first aspect, the conductor of the power line is formed by mixing and twisting a plurality of tinned copper wires with the monofilament diameter of 0.08mm and galvanized steel wires with the monofilament diameter of 0.08mm according to the number of 6:1, and the twisting pitch is 6-8 times of the outer diameter of the conductor; the insulating layer material of the power line is thin-walled radiation crosslinking halogen-free low-smoke flame retardant polyolefin with high insulation resistance at 105 ℃. Furthermore, the insulating layer of the power line, the insulating layer of the lighting line, the insulating layer of the control line and the insulating layer of the data signal line can be all thin-wall type irradiation crosslinking halogen-free low-smoke flame-retardant polyolefin insulating material with high insulation resistance at 105 ℃, and compared with the material with the same temperature, the material has the following advantages: the tensile strength is more than 12.5MPa, the elongation at break is more than 250%, the thinnest extruded thin wall is 0.15mm, the tensile strength of the common equivalent material is more than 9.0MPa, the elongation at break is more than 120%, the thinnest extruded thin wall is 0.5mm, the insulation resistance is more than 2.3 multiplied by 1015 omega cm, and the insulation resistance of the common material is 1.5 multiplied by 1012 omega cm.
Embodiments of the second aspect of the present application provide a method for manufacturing a composite cable for a ship, for producing the composite cable for a ship as described in the first aspect of the present application, comprising the steps of:
and S100, respectively producing a power line, an illumination line, a control line and a data signal line through an extrusion process.
And S200, combining the power line, the lighting line, the control line, the data signal line and the filling line into a whole through a cabling wrapping layer, and stranding the power line, the lighting line, the control line, the data signal line and the filling line by adopting a 1+6 rule to obtain the composite cable core.
S300, weaving an outer shielding layer on the peripheral side of the composite cable core, wherein the weaving density is more than 90%.
And S400, extruding the outer protective layer outside the outer layer shielding layer by adopting semi-extrusion vacuum to obtain the composite cable for the ship.
Specifically, the power line, the lighting line, the control line and the data signal line conductor are all formed by mixing and stranding tinned copper wires with the monofilament diameter of 0.08mm and galvanized steel wires with the monofilament diameter of 0.08mm according to the number of 6:1 according to different square cable structures, and the stranding pitch is formed by tightly stranding 6-8 times of the outer diameter of the conductor;
in S100, the conductors in each cable are extruded with the insulating layer through a proper extruder to obtain the insulating wire core, the insulating material is thin-walled, and an adjustment-free machine head and an automatic take-up and pay-off rack are adopted when the insulating wire core is extruded, so that the outer diameter of the insulating wire core is stable, and the thickness of the insulating wire core is uniform. The thicknesses of the insulating layers of the power line, the lighting line, the control line and the data signal line are all 0.20-0.30 mm.
And stranding the insulated wire core of the lighting wire and then wrapping a ceramic polyolefin fireproof tape to obtain the lighting wire. The insulating wire cores in the control wire are twisted, the twisting direction is clockwise, the stranding process is adopted, the material is a ceramic polyolefin fireproof belt, the outer layer of the fireproof belt is subjected to metal shielding by adopting a weaving process, and an approximate cylinder shape is formed, so that the control wire cable core is obtained.
The outer shielding layer is woven and sleeved on a composite cable core formed by power lines, illumination lines, control lines, data signal lines and the like, and the power lines, the illumination lines, the control lines, the data signal lines and the filling lines form a regular circular 1+6 structure which is surrounded by the outer shielding. And finally, extruding and wrapping the outer protective layer on the outer shielding layer. The illumination line, the control line, the data signal line and the filling line form a circular 1+6 structure, the circular 1+6 structure is surrounded by an outer shield and extruded out of an outer sheath, and then a composite cable for ships is formed, and the composite cable replaces a plurality of complicated independent cables (a power cable, the illumination line, the control cable and a communication cable).
In certain implementations of the second aspect, the producing of the data signal line further comprises:
2 insulated wire cores of the data signal wires are paired, and a 105 ℃ high-temperature polyester tape is wound and wrapped to obtain a twisted group wire core of the data signal wires;
and sleeving a shielding layer of the data signal wire outside the twisted pair data signal wire core, cabling the data signal wire to obtain a group to the cable core, and braiding and shielding the cable core to obtain the data signal wire.
2 data signal line insulated wire cores are paired and twisted in a group and wrapped with a 105 ℃ high-temperature polyester tape to obtain a data signal line pair twisted group wire core; and sleeving the data signal wire shielding layer outside the twisted pair data signal wire core, cabling the data signal wire to obtain a group cable core, braiding and shielding the group cable core, and forming an approximate cylinder to obtain the data signal wire.
According to the composite cable for the ship and the manufacturing method thereof, cables with different functions are combined into one cable bundle, and the cable wrapping layer, the total shielding layer and the outer protective layer are arranged outside the cable bundle respectively, so that the cable bundle is not required to be laid on a construction site on the ship, a large amount of space is saved, quick installation can be realized, the cables with different functions cannot interfere with each other during working, the respective functions can be fully exerted, and the use requirements on the ship are met.
Those of skill in the art will appreciate that the various operations, methods, steps in the processes, acts, or solutions discussed in this application can be interchanged, modified, combined, or eliminated. Further, other steps, measures, or schemes in various operations, methods, or flows that have been discussed in this application can be alternated, altered, rearranged, broken down, combined, or deleted. Further, steps, measures, schemes in the prior art having various operations, methods, procedures disclosed in the present application may also be alternated, modified, rearranged, decomposed, combined, or deleted.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is only a partial embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the principle of the present application, and these modifications and decorations should also be regarded as the protection scope of the present application.
Claims (10)
1. A composite cable for ships is characterized by comprising a wrapping cable, and a power line, an illumination line, a control line, a data signal line and a filling line which are arranged in the wrapping cable;
the wrapping cable comprises an outer protective layer, a main shielding layer and an assembly cable wrapping layer which are sequentially arranged from outside to inside, and the filling wires are arranged between the assembly cable wrapping layer and the power wire, between the assembly cable wrapping layer and the illumination wire, between the assembly cable wrapping layer and the control wire and between the assembly cable wrapping layer and the data signal wire;
the control line comprises a stranded conductor, a control insulating layer, a wrapping layer before control, a control shielding layer and a wrapping layer after control, which are sequentially arranged from inside to outside.
2. The composite cable for ships according to claim 1, wherein the integrated cable wrapping layer is formed by wrapping a ceramic mica tape.
3. The composite cable for ships according to claim 1, wherein the total shield layer is woven from corrosion-resistant fine tin-plated copper wires, the shielding weaving density being greater than 90%.
4. The composite cable for ships and warships according to claim 1, wherein the outer sheath is made of a halogen-free low-smoke flame-retardant low-toxicity irradiation crosslinking polyether type TPEE elastomer sheath material.
5. The composite cable for the ships and warships of claim 1, wherein the stranded conductor is formed by mixing and stranding a plurality of tinned copper wires and galvanized steel wires according to the number of 6:1, and the stranding pitch is 6-8 times of the outer diameter of the conductor; the material of the control insulating layer is thin-walled radiation cross-linked halogen-free low-smoke flame-retardant polyolefin with high insulation resistance at 105 ℃; the material around the covering before the control with around the covering after the control is ceramic mica tape, the control shielding layer is woven by the tinned copper wire and is formed.
6. The naval vessel composite cable according to claim 1, wherein the filler wire comprises a filler core and a filler insulating layer arranged in this order from inside to outside; the filling core is a Kevlar core, and the filling layer is made of polyether type TPEE.
7. The naval vessel composite cable according to claim 1, wherein the conductor of the power line is formed by mixing and twisting a plurality of tinned copper wires with a monofilament diameter of 0.08mm and galvanized steel wires with a monofilament diameter of 0.08mm in a 6:1 manner, and the twisting pitch is 6-8 times of the outer diameter of the conductor; the insulating layer material of the power line is 105 ℃ high insulation resistance thin-wall type irradiation crosslinking halogen-free low-smoke flame-retardant polyolefin.
8. A manufacturing method of the composite cable for the ship is used for producing the composite cable for the ship as claimed in any one of claims 1 to 7, and comprises the following steps:
respectively producing a power line, an illumination line, a control line and a data signal line by an extrusion process;
the power line, the lighting line, the control line, the data signal line and the filling line are combined into a whole through the cabling wrapping layer, and are stranded into a cable by adopting a 1+6 rule to obtain a composite cable core;
weaving the outer shielding layer on the peripheral side of the composite cable core, wherein the weaving density is more than 90%;
and extruding the outer protective layer outside the outer layer shielding layer by adopting semi-extrusion vacuum to obtain the composite cable for the ship.
9. The method for manufacturing the composite cable for ships according to claim 8, wherein the thicknesses of the insulating layers of the power line, the illumination line, the control line and the data signal line are all 0.20-0.30 mm.
10. The method of manufacturing a composite cable for ships according to claim 8, wherein the step of producing the data signal line further comprises:
2 insulated wire cores of the data signal wires are paired, and a 105 ℃ high-temperature polyester tape is wound and wrapped to obtain a twisted group wire core of the data signal wires;
and sleeving the shielding layer of the data signal wire outside the twisted pair data signal wire core, cabling the data signal wire to obtain a group cable core, and braiding and shielding the group cable core to obtain the data signal wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111276616.8A CN114005607A (en) | 2021-10-29 | 2021-10-29 | Composite cable for ships and warships and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111276616.8A CN114005607A (en) | 2021-10-29 | 2021-10-29 | Composite cable for ships and warships and manufacturing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN114005607A true CN114005607A (en) | 2022-02-01 |
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| CN202111276616.8A Pending CN114005607A (en) | 2021-10-29 | 2021-10-29 | Composite cable for ships and warships and manufacturing method thereof |
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| CN212967228U (en) * | 2020-07-31 | 2021-04-13 | 上海蓝昊电气股份有限公司 | Multifunctional composite rubber jacketed flexible cable containing power, communication, control and illumination |
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Inventor after: Wang Xiaohang Inventor after: Jiang Wen Inventor after: Cheng Weijia Inventor after: Luo Jing Inventor after: Tian Jian Inventor after: Cheng Fangyun Inventor before: Xu Zhihui Inventor before: Xie Dadong Inventor before: Jiang Wen Inventor before: Cheng Weijia Inventor before: Luo Jing Inventor before: Tian Jian Inventor before: Cheng Fangyun |