CN114937528A - Conductor water-blocking high-tensile high-cold-resistance optical fiber monitoring power cable - Google Patents
Conductor water-blocking high-tensile high-cold-resistance optical fiber monitoring power cable Download PDFInfo
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- CN114937528A CN114937528A CN202210472287.2A CN202210472287A CN114937528A CN 114937528 A CN114937528 A CN 114937528A CN 202210472287 A CN202210472287 A CN 202210472287A CN 114937528 A CN114937528 A CN 114937528A
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- conductor
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- blocking
- cold
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- 239000004020 conductor Substances 0.000 title claims abstract description 60
- 239000013307 optical fiber Substances 0.000 title claims abstract description 38
- 238000012544 monitoring process Methods 0.000 title claims abstract description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 35
- 229910052802 copper Inorganic materials 0.000 claims abstract description 35
- 239000010949 copper Substances 0.000 claims abstract description 35
- 239000000945 filler Substances 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 7
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 4
- 238000012806 monitoring device Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 17
- 230000003287 optical effect Effects 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 230000017105 transposition Effects 0.000 claims description 8
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 6
- 238000004132 cross linking Methods 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 5
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 3
- 229920002943 EPDM rubber Polymers 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 229920000098 polyolefin Polymers 0.000 claims description 3
- 239000000779 smoke Substances 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000000704 physical effect Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000036314 physical performance Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/005—Power cables including optical transmission elements
-
- 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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/221—Longitudinally placed metal wires or tapes
- H01B7/223—Longitudinally placed metal wires or tapes forming part of a high tensile strength core
-
- 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
- H01B7/28—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
- H01B7/285—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the 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
- H01B7/285—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable
- H01B7/288—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable using hygroscopic material or material swelling in the presence of liquid
-
- 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
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Communication Cables (AREA)
Abstract
The invention discloses a conductor water-blocking high-tensile high-cold-resistance optical fiber monitoring power cable which comprises three power cable cores which are mutually abutted and stacked, wherein each power cable core comprises an optical fiber unit and a copper conductor, the optical fiber unit is used for judging the running condition of the cable through temperature measurement and feeding back the running condition to a monitoring device in time, water-blocking ropes are used for filling in the stranding process of the cable cores of the copper conductors, a plurality of copper conductors are integrally stranded around the optical fiber units to form a multilayer structure, a water-blocking tape is integrally wound outside each layer of copper conductor, an insulating layer is arranged outside the outermost water-blocking tape, a modified PP wrapping tape is integrally wound outside the three power cable cores and filled in gaps by adopting fillers, and a sheath is arranged outside the modified PP wrapping tape. The conductor water-blocking high-tensile high-cold-resistance optical fiber monitoring power cable improves the functionality of the cable, improves the water-blocking performance of the wire core, enhances the structural property and the physical property of the cable, meets the use requirement in a severe environment, and is long in service life.
Description
Technical Field
The invention relates to the technical field of electric wires and cables, in particular to a conductor water-blocking high-tensile high-cold-resistance optical fiber monitoring power cable.
Background
The electric wire and the cable are carriers for power transmission or information transmission, are widely applied to industrial and civil electric facilities, have different requirements in different use environments or occasions, and particularly have specific performance requirements on cable products in severe environments, such as underwater low-temperature working conditions.
The sheath material of the conventional cable is poor in flexibility, small in elongation at break, poor in cracking resistance, tensile property and torsion resistance, high in failure rate, difficult to detect line failure in the first time and incapable of meeting the power transmission requirement, and the cable is short in service life, frequent in replacement and influenced in normal use, and water-blocking, oil-resistant, acid-resistant, corrosion-resistant and cold-resistant properties cannot meet the requirements.
Disclosure of Invention
Based on the above problems, the invention aims to provide a conductor water-blocking high-tensile high-cold-resistance optical fiber monitoring power cable, which adds a monitoring function to the cable, ensures the water-blocking performance, and enhances the tensile and cold-resistant capabilities.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a conductor blocks water high tensile high cold-resistant optical fiber monitoring power cable, it includes that three supports each other and leans on the power sinle silk of stacking, the power sinle silk includes optical fiber unit and copper conductor, optical fiber unit is used for judging the cable behavior and in time feeds back to monitoring devices through temperature measurement, the sinle silk transposition in-process of copper conductor uses the rope packing that blocks water, a plurality of copper conductor encircles the whole transposition of optical fiber unit and forms multilayer structure, and every layer of copper conductor is whole outward around having the area of blocking water, the outmost outband that blocks water is provided with the insulating layer, three power sinle silk is whole outward around having modified PP around the band and adopt the obturator to be full of space, modified PP is provided with the sheath around the band outward.
Particularly, the optical fiber unit comprises a central optical cable, and the central optical cable is externally sheathed and protected by a copper tube.
Particularly, the center optical cable adopts a single-core multimode optical cable, and the tensile strength of the optical cable is not lower than 500N.
Particularly, four layers of conductor rings consisting of copper conductors are arranged outside the optical fiber unit, the first layer of conductor ring is surrounded by 6 copper conductors, and the stranding pitch is controlled to be 20-26 mm; the second layer of conductor ring is surrounded by 12 copper conductors, and the stranding pitch is controlled to be 35-50 mm; the third layer of conductor ring is surrounded by 18 copper conductors, and the stranding pitch is controlled to be 55-70 mm; the fourth layer of conductor circle has 24 copper conductors to enclose, and the transposition pitch control is at 80 ~ 90 mm.
Particularly, the insulating layer is made of an irradiation crosslinking halogen-free low-smoke flame-retardant polyolefin insulating material, and the elongation at break after crosslinking is not less than 400%.
Particularly, the filling body comprises a filling strip and a PP material strip, the filling strip is consistent with the insulating layer in material, and the filling strip and the PP material strip are arranged in the gap in a mixed mode.
Particularly, the sheath is made of TPV, the TPV comprises PP and EPDM as basic formulas, and 1.5 mass percent of DCP material and 10 mass percent of superfine talcum powder are added.
Particularly, a reinforcing steel core is arranged in a central gap of the three power wire cores in a penetrating mode, and a PP belt is wound outside the reinforcing steel core.
In conclusion, the optical fiber monitoring power cable with the conductor water-blocking high tensile strength and the high cold resistance has the advantages that the optical fiber units providing monitoring functions for the cable are additionally arranged in the conductor, the cable functionality is improved, the water-blocking rope, the water-blocking tape and the like are additionally arranged in the stranding process, the water-blocking performance of the wire cores is improved, in addition, the structural performance and the physical performance of the cable are enhanced through the modes of additionally arranging the middle steel core, optimizing the material of the sheath and the like, the use requirements in severe environments are met, and the service life is long.
Drawings
Fig. 1 is a schematic structural diagram of a conductor water-blocking high-tensile high-cold-resistant optical fiber monitoring power cable provided by an embodiment of the invention.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar parts throughout or parts having the same or similar functions. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediary, a connection between two elements, or an interaction between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, unless otherwise explicitly specified or limited, the first feature "on" or "under" the second feature may include the first feature and the second feature being in direct contact, and may also include the first feature and the second feature not being in direct contact but being in contact via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1, the preferred embodiment provides a conductor water-blocking high-tensile high-cold-resistant optical fiber monitoring power cable, which includes three power cores 1 stacked against each other, where the power core 1 has a specification of 3 × 120mm2 and a voltage level of 1kV alternating current, where the power core 1 includes an optical fiber unit 11 and a copper conductor 12.
The optical fiber unit 11 is used for judging the running condition of the cable through temperature measurement and feeding back the running condition of the cable to the monitoring device in time, and comprises a central optical cable, wherein the central optical cable is an 50/125 single-core multimode optical cable, the breaking force of the central optical cable is not lower than 500N, the central optical cable is sheathed and protected by a copper pipe 13, the surface of the copper pipe 13 is smooth, and the defects seen by naked eyes do not exist.
The sinle silk of copper conductor 12 here adopts 60 strands of x 64 x 0.2 footpath structure, and the rope 14 that blocks water is filled in the transposition in-process of every sinle silk, and a plurality of copper conductor 12 encircles 11 whole transposition of optical fiber unit and forms multilayer structure, and every layer of copper conductor 12 is whole outward around having the area 15 that blocks water, fully guarantees the effect that blocks water.
As an optimized structure, four layers of conductor rings consisting of copper conductors 12 are arranged outside the optical fiber unit 11, the first layer of conductor ring is formed by enclosing 6 copper conductors 12, and the stranding pitch is controlled to be 20-26 mm; the second layer of conductor ring is formed by surrounding 12 copper conductors 12, and the stranding pitch is controlled to be 35-50 mm; the third layer of conductor ring is formed by 18 copper conductors 12 in a surrounding mode, and the stranding pitch is controlled to be 55-70 mm; the fourth layer of conductor ring is formed by enclosing 24 copper conductors 12, and the stranding pitch is controlled to be 80-90 mm.
The outermost water-blocking tape 15 should have high water absorption, and the outer surface of the outermost water-blocking tape is provided with the insulating layer 16, so that better mechanical strength is realized, the insulating layer 16 is preferably made of irradiation cross-linking halogen-free low-smoke flame-retardant polyolefin insulating material, the elongation at break after cross-linking can reach 400%, the tensile property of the outermost water-blocking tape is greatly enhanced, the low-temperature resistance can reach-40 ℃, and the outermost water-blocking tape can simultaneously meet the requirements of aging for 3000 hours, no cracking and no breakdown under voltage.
The reinforcing steel core 2 is arranged in a central gap of the three power wire cores 1 in a penetrating mode, and a PP belt is wrapped outside the reinforcing steel core 2 to improve the tensile property of the cable.
Three power sinle silk 1 is whole outward to have modified PP around the package to wrap tape 3 and adopt the obturator 4 to be full of space, and the obturator 4 of here is preferred including filler strip 41 and PP material strip 42, and filler strip 41 is unanimous with the material of insulating layer 16, avoids the cable to cause the sinle silk damage at the in-process that removes dragging, and filler strip 41 and PP material strip 42 mix the arrangement in the space. Further, the filler strip 41 is formed by coiling two 2.06 and three 1.9 size filler strips, so as to ensure the roundness of the cable.
The modified PP wrapping tape 3 is externally provided with a sheath 5, the sheath 5 is preferably made of TPV, the TPV comprises two materials of PP and EPDM according to a basic formula, about 1.5 mass percent of DCP material and 10 mass percent of superfine talcum powder are added, wherein the DCP and the superfine talcum powder can improve the product performance, achieve higher mechanical property, improve the surface hardness and the temperature resistance of the material, and remarkably improve the breaking elongation and the tensile strength of the TPV, so that the cable is more excellent in particularly low-temperature resistance and can reach-55 ℃.
In conclusion, the optical fiber unit providing the monitoring function for the cable is added in the conductor of the conductor water-blocking high-tensile high-cold-resistant optical fiber monitoring power cable, the functionality of the cable is improved, the water-blocking rope, the water-blocking tape and the like are added in the stranding process, the water-blocking performance of the wire core is improved, in addition, the structural performance and the physical performance of the cable are enhanced by adding the middle steel core, optimizing the material of the sheath and the like, the use requirement in a severe environment is met, and the service life is long.
The foregoing embodiments are merely illustrative of the principles and features of this invention, which is not limited to the above-described embodiments, but is capable of various modifications and changes without departing from the spirit and scope of the invention, which are intended to be within the scope of the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a conductor blocks water high tensile high cold-resistant optical fiber monitoring power cable, its characterized in that leans on the power sinle silk of stacking each other including three, the power sinle silk includes optical fiber unit and copper conductor, optical fiber unit is used for judging the cable behavior and in time feeds back to monitoring devices through temperature measurement, the sinle silk transposition in-process of copper conductor uses the rope of blocking water to fill, a plurality of copper conductor encircles the whole transposition of optical fiber unit forms multilayer structure, and every layer of copper conductor is whole around having the area of blocking water, and the outmost outband that blocks water is provided with the insulating layer, and three power sinle silk is whole around having modified PP around the band and adopt the filler to fill the space, modified PP is provided with the sheath outward around the band.
2. The conductor-water-blocking high-tensile high-cold-resistant optical fiber monitoring power cable according to claim 1, characterized in that: the optical fiber unit comprises a central optical cable, and the central optical cable is externally armored by a copper pipe.
3. The conductor-water-blocking high-tensile high-cold-resistant optical fiber monitoring power cable according to claim 2, characterized in that: the central optical cable adopts a single-core multimode optical cable, and the tensile strength of the central optical cable is not lower than 500N.
4. The conductor-water-blocking high-tensile high-cold-resistant optical fiber monitoring power cable according to claim 1, characterized in that: four layers of conductor rings consisting of copper conductors are arranged outside the optical fiber unit, 6 copper conductors are enclosed in the first layer of conductor ring, and the stranding pitch is controlled to be 20-26 mm; the second layer of conductor ring is surrounded by 12 copper conductors, and the stranding pitch is controlled to be 35-50 mm; the third layer of conductor ring is surrounded by 18 copper conductors, and the stranding pitch is controlled to be 55-70 mm; the fourth layer of conductor circle has 24 copper conductor encirclements, and the transposition pitch is controlled at 80 ~ 90 mm.
5. The conductor-water-blocking high-tensile high-cold-resistant optical fiber monitoring power cable according to claim 1, characterized in that: the insulating layer is made of irradiation crosslinking halogen-free low-smoke flame-retardant polyolefin insulating material, and the elongation at break after crosslinking is not lower than 400%.
6. The conductor-water-blocking high-tensile high-cold-resistant optical fiber monitoring power cable according to claim 1, characterized in that: the packing body includes packing strip and PP material strip, the packing strip with the material of insulating layer is unanimous, and packing strip and PP material strip are mixed to be arranged in the space.
7. The conductor-water-blocking high-tensile high-cold-resistant optical fiber monitoring power cable according to claim 1, characterized in that: the sheath is made of TPV, the TPV basic formula comprises PP and EPDM, and 1.5% of DCP material and 10% of superfine talcum powder are added.
8. The conductor-water-blocking high-tensile high-cold-resistant optical fiber monitoring power cable according to claim 1, characterized in that: and a reinforcing steel core is arranged in a central gap of the three power wire cores in a penetrating manner, and a PP belt is wound outside the reinforcing steel core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210472287.2A CN114937528B (en) | 2022-04-29 | 2022-04-29 | Conductor water-blocking high-tensile Gao Naihan optical fiber monitoring power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210472287.2A CN114937528B (en) | 2022-04-29 | 2022-04-29 | Conductor water-blocking high-tensile Gao Naihan optical fiber monitoring power cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114937528A true CN114937528A (en) | 2022-08-23 |
| CN114937528B CN114937528B (en) | 2023-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210472287.2A Active CN114937528B (en) | 2022-04-29 | 2022-04-29 | Conductor water-blocking high-tensile Gao Naihan optical fiber monitoring power cable |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204257255U (en) * | 2014-12-17 | 2015-04-08 | 大连永旭线缆制造有限公司 | Crosslinked polyetylene insulated overall water-resistant power cable peculiar to vessel |
| CN105810338A (en) * | 2014-12-31 | 2016-07-27 | 深圳市联嘉祥科技股份有限公司 | Composite waterproof cable and preparation method thereof |
| US10345544B1 (en) * | 2018-05-11 | 2019-07-09 | Sure-Fire Electrical Corporation | Composite optoelectronic HDMI cable |
| CN110540714A (en) * | 2019-10-12 | 2019-12-06 | 江苏佰恩特新材料有限公司 | TPV sheath for submarine cable and preparation method thereof |
| CN210378516U (en) * | 2019-08-06 | 2020-04-21 | 山东华凌电缆有限公司 | Special photoelectric composite cable for intelligent city underground comprehensive pipe gallery |
| CN215954909U (en) * | 2021-09-27 | 2022-03-04 | 金杯电工股份有限公司 | Photoelectric composite cable for pipeline dredging robot |
-
2022
- 2022-04-29 CN CN202210472287.2A patent/CN114937528B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204257255U (en) * | 2014-12-17 | 2015-04-08 | 大连永旭线缆制造有限公司 | Crosslinked polyetylene insulated overall water-resistant power cable peculiar to vessel |
| CN105810338A (en) * | 2014-12-31 | 2016-07-27 | 深圳市联嘉祥科技股份有限公司 | Composite waterproof cable and preparation method thereof |
| US10345544B1 (en) * | 2018-05-11 | 2019-07-09 | Sure-Fire Electrical Corporation | Composite optoelectronic HDMI cable |
| CN210378516U (en) * | 2019-08-06 | 2020-04-21 | 山东华凌电缆有限公司 | Special photoelectric composite cable for intelligent city underground comprehensive pipe gallery |
| CN110540714A (en) * | 2019-10-12 | 2019-12-06 | 江苏佰恩特新材料有限公司 | TPV sheath for submarine cable and preparation method thereof |
| CN215954909U (en) * | 2021-09-27 | 2022-03-04 | 金杯电工股份有限公司 | Photoelectric composite cable for pipeline dredging robot |
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| Publication number | Publication date |
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| CN114937528B (en) | 2023-11-28 |
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