CN112331382A - Anti-interference capacitive cable and manufacturing method thereof - Google Patents

Anti-interference capacitive cable and manufacturing method thereof Download PDF

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Publication number
CN112331382A
CN112331382A CN202011097701.3A CN202011097701A CN112331382A CN 112331382 A CN112331382 A CN 112331382A CN 202011097701 A CN202011097701 A CN 202011097701A CN 112331382 A CN112331382 A CN 112331382A
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CN
China
Prior art keywords
layer
sheath
wire core
conductive wire
tinned copper
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Pending
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CN202011097701.3A
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Chinese (zh)
Inventor
保剑
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Nanjing Xinning Cable Co ltd
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Nanjing Xinning Cable Co ltd
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Priority to CN202011097701.3A priority Critical patent/CN112331382A/en
Publication of CN112331382A publication Critical patent/CN112331382A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/0009—Details relating to the conductive cores
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/20—Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments
    • G01R1/24—Transmission-line, e.g. waveguide, measuring sections, e.g. slotted section
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
    • G01R27/2605—Measuring capacitance
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00—Communication cables or conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/28—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances natural or synthetic rubbers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/02—Disposition of insulation
    • H01B7/0208—Cables with several layers of insulating material
    • H01B7/0216—Two layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/1875—Multi-layer sheaths
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/2806—Protection against damage caused by corrosion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • H01B7/2825—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/29—Protection against damage caused by extremes of temperature or by flame
    • H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

The invention provides an anti-interference capacitive cable and a manufacturing method thereof, wherein the anti-interference capacitive cable comprises a conductive wire core and a sheath layer, the conductive wire core is uniformly arranged in the sheath layer in a circumferential distribution manner, the conductive wire core comprises a wire core conductor, an insulating layer and a braided shielding layer which are sequentially arranged from inside to outside, the wire core conductor is a tinned copper wire, the insulating layer is made of polyethylene material with the dielectric constant of 2.3, and the braided shielding layer is made of a metal shielding net; the sheath layer comprises an inner sheath and an outer sheath, the inner wall of the inner sheath is in contact with the outer wall of the conductive wire core, the inner sheath and the outer sheath are respectively made of ethylene propylene diene monomer and chlorosulfonated polyethylene, and a nylon reinforcing layer and a rubber sealing layer are arranged between the inner sheath and the outer sheath. The cable has the advantages of good water resistance, interference resistance, high accuracy and firmness and durability.

Description

Anti-interference capacitive cable and manufacturing method thereof
Technical Field
The invention relates to the technical field of cable equipment, in particular to an anti-interference capacitive cable and a manufacturing method thereof.
Background
The capacitive cable is a signal transmission cable for measuring the capacitance value through a cable component, and in order to ensure the accuracy of measurement and improve the quality requirement of the cable, the signal cable is easily interfered by an external magnetic field in the signal transmission process, so that the signal received by a signal receiving end is easy to generate errors, and the normal information transmission cannot be carried out; and the existing cable is easily influenced by the external environment when in use, thereby causing damage.
Disclosure of Invention
The invention aims to provide an anti-interference capacitive cable and a manufacturing method thereof, which have the advantages of good water resistance, interference resistance, high accuracy, firmness and durability.
The invention provides the following technical scheme:
an anti-interference capacitive cable and a manufacturing method thereof comprise a conductive wire core and a sheath layer, wherein the conductive wire core is uniformly arranged in the sheath layer in a circumferential distribution manner, the conductive wire core comprises a wire core conductor, an insulating layer and a braided shielding layer which are sequentially arranged from inside to outside, the wire core conductor is a tinned copper wire, the insulating layer is made of a polyethylene material with a dielectric constant of 2.3, and the braided shielding layer is made of a metal shielding net;
the sheath layer comprises an inner sheath and an outer sheath, the inner wall of the inner sheath is in contact with the outer wall of the conductive wire core, the inner sheath and the outer sheath are respectively made of ethylene propylene diene monomer and chlorosulfonated polyethylene, and a nylon reinforcing layer and a rubber sealing layer are arranged between the inner sheath and the outer sheath.
Preferably, a nylon reinforcing rib is arranged in the nylon reinforcing layer.
Preferably, an SIL silicone rubber sealing ring is filled in the rubber sealing layer.
Preferably, the conductor of the wire core adopts a plurality of strands of tinned copper wires and a compound twist, and the twisting direction of the strands and the compound twist is the same.
Preferably, the diameter of the tinned copper wire is 0.3 mm.
Preferably, the number of the conductive wire cores is three or five.
Preferably, the nylon reinforcement layer is adjacent to the inner sheath, and the rubber sealing layer is adjacent to the outer sheath.
A manufacturing method of an anti-interference capacitive cable comprises the following steps:
s1, taking 7 tinned copper wires with the diameter of 0.3mm, placing one tinned copper wire in the middle, uniformly distributing the other six tinned copper wires around the tinned copper wire, and twisting the tinned copper wires into a wire core conductor;
s2, adopting an extruder-based polyethylene material at the periphery of the conductor of the wire core, irradiating and crosslinking the polyethylene material through an electron accelerator to form an insulating layer, and adopting a metal shielding net to form a braided shielding layer outside the insulating layer to form the conductive wire core;
s3, uniformly arranging the conductive wire cores to be arranged in a circumferential manner, and extruding ethylene propylene diene monomer rubber to form an inner sheath outside the conductive wire cores;
s4, respectively arranging a nylon reinforcing layer and a rubber sealing layer at the periphery of the inner sheath, and extruding chlorosulfonated polyethylene to form the outer sheath.
Preferably, the number of the conductive wire cores in step S3 is three or five.
The invention has the beneficial effects that: the core conductor structure of the invention selects the tinned copper wire, so as to ensure the flexibility and the waterproofness of the core conductor structure; the shielding efficiency is higher than 95% by adopting a metal shielding net, interference resistance is realized, and the accuracy of the obtained signal value is enhanced; the inner protective sleeve adopts the ethylene propylene diene monomer with excellent non-hygroscopicity, so that the heat resistance, sunlight resistance, ozone resistance and good insulating electrical property of the cable are improved; the nylon reinforced layer is arranged, so that the whole cable is firm and durable and can be used for a long time; the rubber sealing layer is arranged, so that the cable can be effectively sealed, water is prevented from entering the cable, and the cable is heat-resistant and cold-resistant; the outer protective sleeve is formed by extruding chlorosulfonated polyethylene, and has ozone resistance, ultraviolet resistance, high temperature solarization resistance and corrosion resistance; the setting of restrictive coating has both improved insulating nature, also carries out certain support to the cable, avoids the cable to receive extrusion deformation to damage.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
labeled as: 1. a conductive wire core; 2. a sheath layer; 3. a core conductor; 4. an insulating layer; 5. weaving a shielding layer; 6. a nylon reinforcement layer; 7. and a rubber sealing layer.
Detailed Description
As shown in fig. 1, an anti-interference capacitive cable comprises a conductive wire core 1 and a sheath layer 2, wherein the conductive wire core 1 is circumferentially distributed and is uniformly arranged inside the sheath layer 2, and the number of the conductive wire cores 1 is three or five.
The conductive wire core 1 comprises a wire core conductor 3, an insulating layer 4 and a braided shielding layer 5 which are sequentially arranged from inside to outside, the wire core conductor 3 is a tinned copper wire, the softness and the waterproofness of the tinned copper wire are guaranteed, the wire core conductor 3 adopts a plurality of strands of tinned copper wires to twist and twist again, the strands are the same with the twisting of the twisting again, and the diameter of each tinned copper wire is 0.3 mm.
The insulating layer 4 is made of polyethylene material with the dielectric constant of 2.3, and the braided shielding layer 5 is made of metal shielding net, so that the shielding efficiency is higher than 95%, the interference resistance is realized, and the accuracy of the obtained signal value is enhanced.
Sheath layer 2 includes inner sheath and oversheath, the inner wall of inner sheath and the outer wall contact of conductive core 1, and inner sheath and oversheath adopt ethylene propylene diene monomer rubber and chlorosulfonated polyethylene to make respectively, and inner sheath adopts the fabulous ethylene propylene diene monomer of non-hygroscopicity, has increased the heat-resisting of cable, resistant sunlight, resistant ozone and good insulating electrical property, and outer lag adopts chlorosulfonated polyethylene to crowd to wrap and forms, ozone resistance, ultraviolet resistance, high temperature resistant insolatees, and is corrosion-resistant.
A nylon reinforcing layer 6 and a rubber sealing layer 7 are arranged between the inner sheath and the outer sheath, the nylon reinforcing layer 6 is close to the inner sheath, and the rubber sealing layer 7 is close to the outer sheath, wherein a nylon reinforcing rib is arranged in the nylon reinforcing layer 6, so that the cable is integrally firm and durable and can be used for a long time; SIL silicon rubber sealing rings are filled in the rubber sealing layer 7, so that the cable can be effectively sealed, water is prevented from entering the cable, and the cable is heat-resistant and cold-resistant.
According to the invention, through the arrangement of the sheath layer 2, the insulativity is improved, the cable is supported to a certain degree, and the cable is prevented from being damaged by extrusion deformation.
A manufacturing method of an anti-interference capacitive cable comprises the following steps:
s1, taking 7 tinned copper wires with the diameter of 0.3mm, placing one tinned copper wire in the middle, uniformly distributing the other six tinned copper wires around the tinned copper wires, and twisting the tinned copper wires into a wire core conductor 3;
s2, adopting an extruder-based polyethylene material at the periphery of the core conductor 3, irradiating and crosslinking the polyethylene material through an electron accelerator to form an insulating layer 4, and adopting a metal shielding net to form a braided shielding layer 5 outside the insulating layer 4 to form a conductive wire core 1;
s3, uniformly arranging a plurality of conductive wire cores 1 to be arranged in a circumferential manner, and extruding ethylene propylene diene monomer rubber to form an inner sheath outside the conductive wire cores;
s4, respectively arranging a nylon reinforcing layer 6 and a rubber sealing layer 7 at the periphery of the inner sheath, and extruding chlorosulfonated polyethylene to form the outer sheath.
Example one
A manufacturing method of an anti-interference capacitive cable comprises the following steps:
s1, taking 7 tinned copper wires with the diameter of 0.3mm, placing one tinned copper wire in the middle, uniformly distributing the other six tinned copper wires around the tinned copper wires, and twisting the tinned copper wires into a wire core conductor 3;
s2, adopting an extruder-based polyethylene material at the periphery of the core conductor 3, irradiating and crosslinking the polyethylene material through an electron accelerator to form an insulating layer 4, and adopting a metal shielding net to form a braided shielding layer 5 outside the insulating layer 4 to form a conductive wire core 1;
s3, uniformly arranging the three conductive wire cores 1 to be circumferentially arranged, and extruding ethylene propylene diene monomer rubber to form an inner sheath outside the conductive wire cores;
s4, respectively arranging a nylon reinforcing layer 6 and a rubber sealing layer 7 at the periphery of the inner sheath, and extruding chlorosulfonated polyethylene to form the outer sheath.
Example two
A manufacturing method of an anti-interference capacitive cable comprises the following steps:
s1, taking 7 tinned copper wires with the diameter of 0.3mm, placing one tinned copper wire in the middle, uniformly distributing the other six tinned copper wires around the tinned copper wires, and twisting the tinned copper wires into a wire core conductor 3;
s2, adopting an extruder-based polyethylene material at the periphery of the core conductor 3, irradiating and crosslinking the polyethylene material through an electron accelerator to form an insulating layer 4, and adopting a metal shielding net to form a braided shielding layer 5 outside the insulating layer 4 to form a conductive wire core 1;
s3, uniformly arranging the five conductive wire cores 1 to be arranged in a circumferential manner, and extruding ethylene propylene diene monomer rubber to form an inner sheath outside the conductive wire cores;
s4, respectively arranging a nylon reinforcing layer 6 and a rubber sealing layer 7 at the periphery of the inner sheath, and extruding chlorosulfonated polyethylene to form the outer sheath.
The invention processes the sheath by extruding, and has uniform thickness and good roundness.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. An anti-interference capacitive cable is characterized by comprising a conductive wire core and a sheath layer, wherein the conductive wire core is uniformly arranged in the sheath layer in a circumferential distribution manner, the conductive wire core comprises a wire core conductor, an insulating layer and a braided shielding layer which are sequentially arranged from inside to outside, the wire core conductor is a tinned copper wire, the insulating layer is made of a polyethylene material with a dielectric constant of 2.3, and the braided shielding layer is made of a metal shielding net;
the sheath layer comprises an inner sheath and an outer sheath, the inner wall of the inner sheath is in contact with the outer wall of the conductive wire core, the inner sheath and the outer sheath are respectively made of ethylene propylene diene monomer and chlorosulfonated polyethylene, and a nylon reinforcing layer and a rubber sealing layer are arranged between the inner sheath and the outer sheath.
2. The anti-jamming capacitive cable of claim 1, wherein a nylon reinforcement is disposed within the nylon reinforcement layer.
3. An anti-tamper capacitive cable according to claim 1, wherein the rubber sealing layer is filled with a SIL silicone rubber sealing ring.
4. The anti-interference capacitive cable according to claim 1, wherein the core conductor is formed by twisting and twisting multiple tinned copper wire strands in the same direction.
5. The antijam capacitive cable of claim 1, wherein the tinned copper wire has a diameter of 0.3 mm.
6. The antijam capacitive cable of claim 1 wherein the number of conductive cores is three or five.
7. The tamper resistant capacitive cable of claim 1 wherein said nylon reinforcement layer is adjacent said inner sheath and said rubber sealant layer is adjacent said outer sheath.
8. A method for making an anti-tamper capacitive cable according to claim 1, comprising the steps of:
s1, taking 7 tinned copper wires with the diameter of 0.3mm, placing one tinned copper wire in the middle, uniformly distributing the other six tinned copper wires around the tinned copper wire, and twisting the tinned copper wires into a wire core conductor;
s2, adopting an extruder-based polyethylene material at the periphery of the conductor of the wire core, irradiating and crosslinking the polyethylene material through an electron accelerator to form an insulating layer, and adopting a metal shielding net to form a braided shielding layer outside the insulating layer to form the conductive wire core;
s3, uniformly arranging the conductive wire cores to be arranged in a circumferential manner, and extruding ethylene propylene diene monomer rubber to form an inner sheath outside the conductive wire cores;
s4, respectively arranging a nylon reinforcing layer and a rubber sealing layer at the periphery of the inner sheath, and extruding chlorosulfonated polyethylene to form the outer sheath.
9. The method for manufacturing the antijamming capacitive cable according to claim 1, wherein the number of the conductive wire cores in step S3 is three or five.
CN202011097701.3A 2020-10-14 2020-10-14 Anti-interference capacitive cable and manufacturing method thereof Pending CN112331382A (en)

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Application Number Priority Date Filing Date Title
CN202011097701.3A CN112331382A (en) 2020-10-14 2020-10-14 Anti-interference capacitive cable and manufacturing method thereof

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Application Number Priority Date Filing Date Title
CN202011097701.3A CN112331382A (en) 2020-10-14 2020-10-14 Anti-interference capacitive cable and manufacturing method thereof

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CN112331382A true CN112331382A (en) 2021-02-05

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102176343A (en) * 2010-12-24 2011-09-07 江苏远洋东泽电缆股份有限公司 Cable for ship hydrophone equipment and manufacturing method thereof
CN102184757A (en) * 2010-12-24 2011-09-14 江苏远洋东泽电缆股份有限公司 Ship underwater sonar transducer cable and manufacturing method thereof
CN102737760A (en) * 2012-06-20 2012-10-17 江苏远洋东泽电缆股份有限公司 Reinforced tensile screening type vertical watertight degaussing cable for ship and manufacturing method thereof
CN207800212U (en) * 2017-12-22 2018-08-31 广州莱臻电线电缆有限公司 A kind of naval vessel deep-sea cable

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102176343A (en) * 2010-12-24 2011-09-07 江苏远洋东泽电缆股份有限公司 Cable for ship hydrophone equipment and manufacturing method thereof
CN102184757A (en) * 2010-12-24 2011-09-14 江苏远洋东泽电缆股份有限公司 Ship underwater sonar transducer cable and manufacturing method thereof
CN102737760A (en) * 2012-06-20 2012-10-17 江苏远洋东泽电缆股份有限公司 Reinforced tensile screening type vertical watertight degaussing cable for ship and manufacturing method thereof
CN207800212U (en) * 2017-12-22 2018-08-31 广州莱臻电线电缆有限公司 A kind of naval vessel deep-sea cable

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Application publication date: 20210205