CN114937528B - Conductor water-blocking high-tensile Gao Naihan optical fiber monitoring power cable - Google Patents
Conductor water-blocking high-tensile Gao Naihan optical fiber monitoring power cable Download PDFInfo
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- CN114937528B CN114937528B CN202210472287.2A CN202210472287A CN114937528B CN 114937528 B CN114937528 B CN 114937528B CN 202210472287 A CN202210472287 A CN 202210472287A CN 114937528 B CN114937528 B CN 114937528B
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- optical fiber
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- cable
- naihan
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- 239000004020 conductor Substances 0.000 title claims abstract description 66
- 239000013307 optical fiber Substances 0.000 title claims abstract description 37
- 238000012544 monitoring process Methods 0.000 title claims abstract description 21
- 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
- 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 22
- 230000003287 optical effect Effects 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 239000000945 filler Substances 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 6
- 238000004132 cross linking 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
- 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
- 230000017105 transposition Effects 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 2
- 229920013677 Stripmix Polymers 0.000 claims 1
- SMEGJBVQLJJKKX-HOTMZDKISA-N [(2R,3S,4S,5R,6R)-5-acetyloxy-3,4,6-trihydroxyoxan-2-yl]methyl acetate Chemical compound CC(=O)OC[C@@H]1[C@H]([C@@H]([C@H]([C@@H](O1)O)OC(=O)C)O)O SMEGJBVQLJJKKX-HOTMZDKISA-N 0.000 claims 1
- 230000036314 physical performance Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000004891 communication Methods 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
- 230000005611 electricity Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- 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
Abstract
The invention discloses a conductor water-blocking high-tensile Gao Naihan optical fiber monitoring power cable which comprises three mutually-propped stacked power cable cores, wherein each power cable core comprises an optical fiber unit and copper conductors, the optical fiber units are used for judging the running condition of the cable through temperature measurement and feeding back to a monitoring device in time, a water-blocking rope is used for filling in the twisting process of the copper conductor cores, a plurality of copper conductors are integrally twisted around the optical fiber units to form a multilayer structure, each copper conductor layer is integrally wrapped with a water-blocking belt, the outermost water-blocking belt is provided with an insulating layer, the three power cable cores are integrally wrapped with modified PP wrapping belts and filled with gaps by adopting filling bodies, and a sheath is arranged outside the modified PP wrapping belts. The conductor water-blocking high-tensile Gao Naihan optical fiber monitoring power cable has the advantages that the cable functionality is improved, the water-blocking performance of a cable core is improved, the structural performance and the physical performance of the cable are enhanced, the use requirements in a severe environment are met, and the service life is long.
Description
Technical Field
The invention relates to the technical field of wires and cables, in particular to a conductor water-blocking high-tensile Gao Naihan optical fiber monitoring power cable.
Background
The electric wire and cable are carriers for power transmission or information transmission, are widely applied to industrial and civil electricity facilities, have different use environments or occasions and different requirements, and particularly have specific performance requirements on cable products in some occasions with 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 resistance and torsion resistance, and the performances of water resistance, oil resistance, acid resistance, corrosion resistance and cold resistance are not met, the failure rate is high, line failure is difficult to detect in the first time, the power transmission requirement cannot be met, the service life of the cable is short, the replacement is frequent, and the normal use is affected.
Disclosure of Invention
Based on the problems, the invention aims to provide a conductor water-blocking high-tensile Gao Naihan optical fiber monitoring power cable, which has the advantages of increasing a monitoring function for the cable, guaranteeing water-blocking performance and enhancing tensile cold-resistant capability.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides a high tensile Gao Naihan optical fiber monitoring power cable that blocks water of conductor, it includes three power sinle silk that supports each other and lean on the stack, power sinle silk includes optical fiber unit and copper conductor, optical fiber unit is used for judging the cable running condition through temperature measurement and feeds back to monitoring devices in time, copper conductor's sinle silk transposition in-process uses the rope that blocks water to fill, a plurality of copper conductor encircles the whole transposition of optical fiber unit and forms multilayer structure, and the whole package of every layer copper conductor has the water blocking strip outward, the outer insulating layer that blocks water is provided with of outermost layer, the outer whole package of three power sinle silk has modified PP around the band and adopts the packing body to fill in the space, modified PP is around the band outward and is equipped with the sheath.
In particular, the optical fiber unit comprises a central optical cable, and copper pipe armor protection is adopted outside the central optical cable.
In particular, the central optical cable adopts a single-core multimode optical cable, and the breaking force of the single-core multimode optical cable is not less than 500N.
Particularly, four layers of conductor rings formed by copper conductors are arranged outside the optical fiber unit, the first layer of conductor rings are surrounded by 6 copper conductors, and the twisting pitch is controlled to be 20-26 mm; the second layer of conductor ring is surrounded by 12 copper conductors, and the twisting pitch is controlled to be 35-50 mm; the third layer of conductor ring is surrounded by 18 copper conductors, and the twisting pitch is controlled to be 55-70 mm; the fourth layer of conductor ring is surrounded by 24 copper conductors, and the twisting pitch is controlled to be 80-90 mm.
In particular, the insulating layer uses radiation crosslinking halogen-free low-smoke flame-retardant polyolefin insulating material, and the elongation at break after crosslinking is not less than 400 percent.
Particularly, the filling body comprises filling strips and PP material strips, the filling strips and the insulating layer are made of the same material, and the filling strips and the PP material strips are distributed in the gaps in a mixed mode.
In particular, the sheath is made of TPV material, the TPV basic formula comprises PP and EPDM materials, and 1.5% of DCP material and 10% of superfine talcum powder are added.
Particularly, a reinforced steel core is arranged in the central gaps of the three power supply wire cores in a penetrating way, and a PP belt is wrapped outside the reinforced steel core.
In summary, the conductor water-blocking high-tensile Gao Naihan optical fiber monitoring power cable has the beneficial effects that an optical fiber unit for providing a monitoring function for the cable is added in the conductor, the cable functionality is improved, a water-blocking rope, a water-blocking belt and the like are added in the twisting process, the water-blocking performance of a wire core is improved, in addition, the structural performance and the physical performance of the cable are enhanced by adding a middle steel core, optimizing the sheath material and the like, the use requirement in a severe environment is met, and the service life is long.
Drawings
Fig. 1 is a schematic structural diagram of a conductor water-blocking high-tensile Gao Naihan optical fiber monitoring power cable according to an embodiment of the present invention.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar parts throughout, or parts having like or similar functions. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be interpreted broadly, as for example, they may be fixedly connected, or may be detachably connected, or may be electrically connected, or may be directly connected, or may be indirectly connected through an intermediary, or may be in communication with one another in two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present invention, unless explicitly stated and limited otherwise, a first feature "above" or "below" a second feature may include the first feature and the second feature being in direct contact, or may include the first feature and the second feature not being in direct contact but being in contact by another feature therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
As shown in fig. 1, the present preferred embodiment provides a conductor water-blocking high tensile Gao Naihan optical fiber monitoring power cable, which comprises three power wire cores 1 stacked against each other, wherein the power wire cores 1 have a specification of 3×120mm2 and a voltage class of 1kV ac, and the power wire cores 1 comprise an optical fiber unit 11 and a copper conductor 12.
The optical fiber unit 11 is used for judging the operation condition of the cable through temperature measurement and feeding back the operation condition to the monitoring device in time, and comprises a central optical cable, wherein the central optical cable adopts a 50/125 single-core multimode optical cable, the breaking force of the central optical cable is not lower than 500N, the outer part of the central optical cable adopts a copper pipe 13 for armoured protection, and the surface of the copper pipe 13 is smooth and has no defects seen by naked eyes.
The wire cores of the copper conductors 12 are in a 60-strand multiplied by 64-strand multiplied by 0.2-wire diameter structure, each strand of wire core is filled with a water blocking rope 14 in the stranding process, a plurality of copper conductors 12 are integrally stranded around the optical fiber unit 11 to form a multi-layer structure, and a water blocking belt 15 is integrally wrapped outside each layer of copper conductors 12, so that the water blocking effect is fully ensured.
As an optimized structure, four layers of conductor rings formed by copper conductors 12 are arranged outside the optical fiber unit 11, the first layer of conductor rings are formed by 6 copper conductors 12 in a surrounding mode, and the twisting pitch is controlled to be 20-26 mm; the second layer of conductor ring is surrounded by 12 copper conductors 12, and the twisting pitch is controlled to be 35-50 mm; the third layer of conductor ring is surrounded by 18 copper conductors 12, and the twisting pitch is controlled to be 55-70 mm; the fourth layer of conductor ring is surrounded by 24 copper conductors 12, and the twisting pitch is controlled to be 80-90 mm.
The outermost layer of the water-blocking tape 15 has high water absorbability, the outer surface of the water-blocking tape is provided with the insulating layer 16, in order to realize better mechanical strength, the insulating layer 16 is preferably made of irradiation crosslinking halogen-free low-smoke flame-retardant polyolefin insulating materials, the elongation at break after crosslinking can reach 400%, the tensile property is greatly enhanced, the low temperature resistance can reach-40 ℃, and meanwhile, the aging and cracking resistance and voltage resistance of 3000 hours are met.
A reinforced steel core 2 is arranged in a central gap of the three power wire cores 1 in a penetrating manner, a PP belt is wrapped outside the reinforced steel core 2, and the tensile property of the cable is improved.
The whole package of three power core 1 is outside around wrapping band 3 and adopt the packing body 4 to fill the space, and the packing body 4 of here preferably includes filler strip 41 and PP material strip 42, and the material of filler strip 41 and insulating layer 16 is unanimous, avoids the cable to cause the sinle silk damage at the in-process that removes to drag, and filler strip 41 and PP material strip 42 mix and arrange in the space. Further, the filler strips 41 are formed by rolling two 2.06 and three 1.9-size filler strips, so that the cable roundness is ensured.
The sheath 5 is arranged outside the modified PP wrapping tape 3, the sheath 5 is preferably made of TPV materials, the TPV basic formula comprises two materials, namely PP and EPDM, and DCP materials accounting for about 1.5% of the mass fraction and 10% 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 materials, obviously improve the breaking elongation and the tensile strength of the TPV, ensure that the cable, particularly the low temperature resistance, is more excellent, and can reach-55 ℃.
In summary, the conductor water-blocking high-tensile Gao Naihan optical fiber monitoring power cable has the advantages that the optical fiber unit for providing the monitoring function for the cable is added in the conductor, the cable functionality is improved, the water-blocking rope, the water-blocking belt and the like are added in the stranding process, the water-blocking performance of the cable 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 sheath material and the like, the use requirement in a severe environment is met, and the service life is long.
The above embodiments merely illustrate the basic principles and features of the present invention, and the present invention is not limited to the above examples, but can be variously changed and modified without departing from the spirit and scope of the present invention, which is within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a high tensile Gao Naihan optical fiber monitoring power cable that blocks water of conductor, its characterized in that includes three power core that supports each other and lean on the stack, the power core includes optical fiber unit and copper conductor, optical fiber unit is used for judging cable running condition and in time feeds back to monitoring devices through temperature measurement, copper conductor's sinle silk transposition in-process uses the rope of blocking water to fill, a plurality of copper conductor encircles optical fiber unit is whole to be stranded and forms multilayer structure, and the whole package of having the water blocking strip outward of every layer copper conductor, and the outer outband that blocks water is provided with the insulating layer, and the whole package of three power core outward has modified PP around the band and adopts the filler to fill in the space, modified PP is around the band and is equipped with the sheath, the filler includes filler and PP material strip, the filler with the material of insulating layer is unanimous, filler and PP material strip mix in the space.
2. The conductor water-blocking high tensile Gao Naihan optical fiber monitoring power cable of claim 1, wherein: the optical fiber unit comprises a central optical cable, and copper pipe armor protection is adopted outside the central optical cable.
3. The conductor water-blocking high tensile Gao Naihan optical fiber monitoring power cable of claim 2, wherein: the central optical cable adopts a single-core multimode optical cable, and the breaking force of the single-core multimode optical cable is not lower than 500N.
4. The conductor water-blocking high tensile Gao Naihan optical fiber monitoring power cable of claim 1, wherein: four layers of conductor rings formed by copper conductors are arranged outside the optical fiber unit, the first layer of conductor rings are formed by 6 copper conductors in a surrounding mode, and the twisting pitch is controlled to be 20-26 mm; the second layer of conductor ring is surrounded by 12 copper conductors, and the twisting pitch is controlled to be 35-50 mm; the third layer of conductor ring is surrounded by 18 copper conductors, and the twisting pitch is controlled to be 55-70 mm; the fourth layer of conductor ring is surrounded by 24 copper conductors, and the twisting pitch is controlled to be 80-90 mm.
5. The conductor water-blocking high tensile Gao Naihan optical fiber monitoring power cable of claim 1, wherein: the insulating layer is made of radiation crosslinked halogen-free low-smoke flame-retardant polyolefin insulating material, and the elongation at break after crosslinking is not less than 400%.
6. The conductor water-blocking high tensile Gao Naihan optical fiber monitoring power cable of claim 1, wherein: the sheath is made of TPV material, the TPV basic formula comprises PP and EPDM materials, and 1.5% of DCP material and 10% of superfine talcum powder are added.
7. The conductor water-blocking high tensile Gao Naihan optical fiber monitoring power cable of claim 1, wherein: a reinforced steel core is arranged in the central gaps of the three power supply wire cores in a penetrating mode, and a PP belt is wrapped outside the reinforced 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 |
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| Publication Number | Publication Date |
|---|---|
| CN114937528A CN114937528A (en) | 2022-08-23 |
| CN114937528B true 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 |
|---|---|
| CN114937528A (en) | 2022-08-23 |
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