CN113643852A - Anti-interference 5G environment-friendly cable and preparation method thereof - Google Patents
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- CN113643852A CN113643852A CN202110892251.5A CN202110892251A CN113643852A CN 113643852 A CN113643852 A CN 113643852A CN 202110892251 A CN202110892251 A CN 202110892251A CN 113643852 A CN113643852 A CN 113643852A
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- 239000011241 protective layer Substances 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000004804 winding Methods 0.000 claims abstract description 10
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
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- 238000000137 annealing Methods 0.000 claims description 6
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 6
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- 240000008564 Boehmeria nivea Species 0.000 claims description 3
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- 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
- H01B11/02—Cables with twisted pairs or quads
- H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/08—Several wires or the like stranded in the form of a rope
-
- 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
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Insulated Conductors (AREA)
Abstract
The invention relates to the technical field of cables, in particular to an anti-interference 5G environment-friendly cable. The anti-abrasion cable comprises a plurality of wires, wherein two adjacent wires are wound with each other to form a twisted pair, the plurality of wires are wound to form a plurality of twisted pairs, fiber filaments for winding and fastening the two wires are arranged in the twisted pair, fillers wrap the outer sides of the plurality of wires, shielding layers wrap the outer sides of the fillers, wrapping bags wrap the outer sides of the shielding layers, binding tapes wrap the outer sides of the wrapping bags, a tape winding shielding layer wraps the outer sides of the binding tapes, an outer protective layer wraps the outer side of the tape winding shielding layer, and abrasion-resistant components are fixedly mounted on the outer side of the outer protective layer in an annular mode; the cable provided by the invention is ingenious in design structure and convenient to use, and has the advantages that the tensile property, the anti-interference property and the wear resistance are greatly improved in the actual use process, and the practicability is high.
Description
Technical Field
The invention relates to the technical field of cables, in particular to an anti-interference 5G environment-friendly cable and a preparation method thereof.
Background
Cables are generally rope-like cables made by stranding several or groups of conductors (at least two in each group), each group being insulated from each other and often twisted around a center, the entire outer surface being coated with a highly insulating coating. The cable has the characteristics of internal electrification and external insulation.
The advent of current 5G networks has had a significant impact on these critical components, particularly the connectors and cables used in the wireless and wired infrastructures. Recently, the united states and the united kingdom have announced an acceleration in 5G network development, which has injected energy into the entire network industry. Today, western economies are trying to compete with the 5G technology that was intensively introduced in china. However, achieving this leap on a large scale will depend on the adoption of new cable technology. Worldwide, copper-based mobile backhaul architectures are being upgraded to packet transmission over fiber architectures. Optical cables can transmit higher bandwidths and are therefore indispensable configurations for the processing speed of future 5G network products. Small base stations, new equipment and products, etc. that match 5G networks must be able to handle higher speeds and densities while reducing delays, consuming less energy, generating less heat, etc. To support these new market demands, a new family of connected products will make this transition easier.
At present, various large manufacturers are tightening to research and develop 5G universal cables, and due to the agility and high speed of 5G transmission signals, the cables used have higher use requirements, so an anti-interference 5G environment-friendly cable and a preparation method are provided for solving the problems provided by the prior art
Disclosure of Invention
In order to overcome the current defects, the invention provides an anti-interference 5G environment-friendly cable and a preparation method thereof.
The technical implementation scheme of the invention is as follows: the utility model provides an anti-interference G environmental protection cable, includes many wires, adjacent two the wire is around establishing the formation paired line each other, and many wires are around establishing a plurality of paired lines, is provided with in the paired line to be used for around establishing the cellosilk of more fastening with two wires, and is a plurality of the outside parcel of wire has the filler, the fixed parcel in the outside of filler has the shielding layer, the fixed parcel in the outside of shielding layer has around the package, the fixed parcel in the outside of package has the ribbon, the fixed parcel in the outside of ribbon has the ribbon shielding layer, the fixed parcel in the outside of ribbon shielding layer has the outer jacket, the outside annular fixed mounting of outer jacket has wear-resisting component, the shielding layer, around the package, the ribbon, the outside of ribbon shielding layer and outer jacket is provided with fastening components.
Preferably, the wear-resisting component comprises a plurality of wear-resisting blocks, the wear-resisting blocks are arranged on the outer side of the outer protective layer in an annular mode, and the wear-resisting performance of the outer layer of the outer protective layer can be greatly improved by the aid of the wear-resisting blocks.
Preferably, fastening components includes a plurality of articulamentum, and the articulamentum runs through the shielding layer respectively, winds the package, the ribbon, twines area shielding layer and outer jacket, a plurality of connecting steel wires of fixedly connected with on the articulamentum, and a plurality of connecting steel wires extend to the shielding layer respectively, around the package, the ribbon, twine area shielding layer and outer jacket in, the same arc go-between of two adjacent articulamentum fixedly connected with utilizes articulamentum, connecting steel wire and arc go-between can improve the shielding layer, around the package, the ribbon, twine area shielding layer and outer jacket layer and connect the fastening nature to cable junction's fastening nature has been improved.
Preferably, the preparation method of the filler comprises the following steps: comprises raw materials with the weight portions of 3 to 5 portions of zeolite powder, 6 to 10 portions of rubber powder, 1 to 3 portions of filling agent and 2 to 4 portions of adhesive.
The preparation method comprises the following steps:
the zeolite powder, the rubber powder and the filler are kneaded, mixed and stirred, after the mixing and stirring are finished, the adhesive is poured into the mixed material, at the moment, the mixed material is poured into an extruder, and finally the mixed material can be extruded by the extruder, so that the finished filler can be obtained.
Preferably, the shielding layer is a copper woven layer mesh braid or a tinned copper mesh braid.
Preferably, the wrapping can be made of any one of a semiconductive nylon belt, a semiconductive Teflon belt, a semiconductive buffering water-blocking belt, a semiconductive water-blocking binding belt, a semiconductive butyl rubber buffering belt and a water-blocking belt.
Preferably, the outer sheath layer may be made of any one of a ramie sheath layer and a polyvinyl chloride sheath layer.
Preferably, one side of the wear-resistant block, which is far away from the outer protective layer, is fixedly connected with two symmetrically arranged rubber bumps.
A preparation method of an anti-interference G environment-friendly cable comprises the following steps:
s1, drawing of a wire: the wire 1 is reduced in section, increased in length and improved in strength at normal temperature by passing through one or more die holes of a drawing die by a wire drawing machine.
S2, annealing the monofilaments: the wire 1 is heated to a certain temperature, the toughness of the monofilament is improved and the strength of the monofilament is reduced in a recrystallization mode, and the oxidation of the wire 1 can be avoided in an annealing process;
s3, stranding a conductor: in order to improve the interference resistance of the electric wire and the cable and facilitate laying and installation, a plurality of adjacent two monofilaments and fiber wires 2 are twisted to form a twisted pair, the twisted form of the wire 1 can be any one of regular twisting and irregular twisting, and the irregular twisting can be any one of bundle twisting, concentric compound twisting and special twisting;
s4, in order to reduce the occupied area of the conductor and the geometric size of the cable, the conductor 1 is stranded and simultaneously a pressing form is adopted, so that a common circle can be deformed into any one of a semicircle, a sector, a tile shape and a pressed circle;
s5, insulating extrusion: the plastic wire and cable mainly adopts a solid insulating layer which is extruded, and the main technical requirements of plastic insulation extrusion are as follows:
s51, eccentricity: the deviation value of the extruded insulation thickness is an important mark for reflecting the extrusion process level, and the product structure size and the deviation value thereof are all specified in the standard;
s52, smoothness: the surface of the extruded insulating layer is required to be smooth, and the problems of rough surface, scorching and poor quality of impurities cannot be caused;
s53, compactness: the cross section of the extruded insulating layer needs to be compact and firm, and can not be provided with pinholes visible to the naked eye, so that the existence of air bubbles is avoided.
S6, cabling: the one deck shielding layer is established around winding in a plurality of twisted-pair line outsides that will process, and the outside of shielding layer is around establishing one side around the package, winds the outside of package and winds and establishes one side ribbon, and the outside of ribbon is around establishing one side ribbon shielding layer, and one side outer jacket is extruded in the outside of ribbon shielding layer, and a plurality of wear-resisting blocks of outside annular installation of outer jacket have just accomplished the production of cable this moment.
The invention has the beneficial effects that:
1. the anti-interference function of the G environment-friendly cable can be greatly improved by designing the twisted pair wires wound by the wires, the shielding layer and the braid shielding layer, the stability of the cable transmission signal is effectively improved, and the capability of the cable for resisting external electromagnetic interference in the transmission process and the capability of the system for radiating electromagnetic interference outwards are improved.
2. The connecting layer, the connecting steel wire and the arc-shaped connecting ring are utilized to improve the connection tightness of the shielding layer, the wrapping, the binding belt, the winding belt shielding layer and the outer protective layer, so that the connection tightness of the cable can be integrally improved, all layers in the cable are not easy to separate in the pulling process, and the tensile property of the cable is improved.
3. The wear-resisting performance of the outer layer of the outer protective layer can be greatly improved by utilizing the wear-resisting blocks.
The cable provided by the invention is ingenious in design structure and convenient to use, and has the advantages that the tensile property, the anti-interference property and the wear resistance are greatly improved in the actual use process, and the practicability is high.
Drawings
Fig. 1 is a schematic overall front view structure of the present invention.
Fig. 2 is a partial sectional structural view of fig. 1 according to the present invention.
FIG. 3 is a side view of the present invention shown in FIG. 1.
In the figure: 1. a wire; 2. fiber yarn; 3. a filler; 4. a shielding layer; 5. wrapping; 6. binding a belt; 7. winding a shielding layer, 8 and an outer protective layer; 9. a wear-resistant block; 10. a rubber bump; 11. a connecting layer; 12. connecting steel wires; 13. an arc connecting ring.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings.
Examples
As shown in fig. 1-3, an anti-interference 5G environment-friendly cable, including many wires 1, two adjacent wires 1 are around establishing each other and forming the twisted pair, and many wires 1 are around establishing a plurality of twisted pair, be provided with in the twisted pair and be used for establishing more firm cellosilk 2 with two wires 1 around establishing, the outside parcel of a plurality of wires 1 has filler 3, the fixed parcel in the outside of filler 3 has shielding layer 4, the fixed parcel in the outside of shielding layer 4 has around package 5, the fixed parcel in the outside of package 5 has ribbon 6, the fixed parcel in the outside of ribbon 6 has ribbon shielding layer 7, the fixed parcel in the outside of ribbon shielding layer 7 has outer jacket 8, the outside annular fixed mounting of outer jacket 8 has wear-resisting subassembly, shielding layer 4, twine package 5, ribbon 6, the outside of ribbon shielding layer 7 and outer jacket 8 is provided with the fastening assembly.
In this embodiment, the wear-resisting subassembly includes a plurality of wear-resisting blocks 9, and a plurality of wear-resisting blocks 9 are arranged in the annular and are installed in the outside of outer jacket 8, utilize wear-resisting block 9 can improve the outer wear resistance of outer jacket 8 greatly.
In this embodiment, fastening components includes a plurality of articulamentum 11, and articulamentum 11 runs through shielding layer 4 respectively, wrap 5, ribbon 6, twine tape shielding layer 7 and outer jacket 8, a plurality of connecting wire 12 of fixedly connected with on the articulamentum 11, and a plurality of connecting wire 12 extend to shielding layer 4 respectively, wrap 5, ribbon 6, twine tape shielding layer 7 and outer jacket 8 in, the same arc go-between 13 of two adjacent articulamentum 11 fixedly connected with, utilize articulamentum 11, connecting wire 12 and arc go-between 13 can have improved shielding layer 4, wrap 5, ribbon 6, twine tape shielding layer 7 and the fastening nature that outer jacket 8 is connected, thereby can improve cable junction's fastening nature.
In this embodiment, the preparation method of the filler 3 is as follows: comprises raw materials with the weight portions of 3 to 5 portions of zeolite powder, 6 to 10 portions of rubber powder, 1 to 3 portions of filling agent and 2 to 4 portions of adhesive.
The preparation method comprises the following steps:
the zeolite powder, the rubber powder and the filler are kneaded, mixed and stirred, after the mixing and stirring are finished, the adhesive is poured into the mixed material, at the moment, the mixed material is poured into an extruder, and finally the mixed material can be extruded by the extruder, so that the finished filler can be obtained.
In this embodiment, the shielding layer is a copper woven mesh braid or a tin-plated copper mesh braid.
In this embodiment, the wrapping may be made of any one of a semiconductive nylon tape, a semiconductive teflon tape, a semiconductive buffer water-blocking tape, a semiconductive water-blocking binding tape, a semiconductive butyl rubber buffer tape, and a water-blocking tape.
In this embodiment, the outer sheath may be made of any one of a ramie coating or a polyvinyl chloride sheath.
In this embodiment, two rubber bumps 10 that are symmetrically arranged are fixedly connected to one side of the wear-resistant block 9 away from the outer protective layer 8.
A preparation method of an anti-interference 5G environment-friendly cable comprises the following steps:
s1, drawing of a wire: the wire 1 is reduced in section, increased in length and improved in strength at normal temperature by passing through one or more die holes of a drawing die by a wire drawing machine.
S2, annealing the monofilaments: the wire 1 is heated to a certain temperature, the toughness of the monofilament is improved and the strength of the monofilament is reduced in a recrystallization mode, and the oxidation of the wire 1 can be avoided in an annealing process;
s3, stranding a conductor: in order to improve the interference resistance of the electric wire and the cable and facilitate laying and installation, a plurality of adjacent two monofilaments and fiber wires 2 are twisted to form a twisted pair, the twisted form of the wire 1 can be any one of regular twisting and irregular twisting, and the irregular twisting can be any one of bundle twisting, concentric compound twisting and special twisting;
s4, in order to reduce the occupied area of the conductor and the geometric size of the cable, the conductor 1 is stranded and simultaneously a pressing form is adopted, so that a common circle can be deformed into any one of a semicircle, a sector, a tile shape and a pressed circle;
s5, insulating extrusion: the plastic wire and cable mainly adopts a solid insulating layer which is extruded, and the main technical requirements of plastic insulation extrusion are as follows:
s51, eccentricity: the deviation value of the extruded insulation thickness is an important mark for reflecting the extrusion process level, and the product structure size and the deviation value thereof are all specified in the standard;
s52, smoothness: the surface of the extruded insulating layer is required to be smooth, and the problems of rough surface, scorching and poor quality of impurities cannot be caused;
s53, compactness: the cross section of the extruded insulating layer needs to be compact and firm, and can not be provided with pinholes visible to the naked eye, so that the existence of air bubbles is avoided.
S6, cabling: the one deck shielding layer 4 is established around the twisted pair outside that will process, and the outside of shielding layer 4 is around establishing one side around package 5, winds the outside of package 5 and winds and establish one side ribbon 6, and the outside of ribbon 6 is around establishing one side kinking area shielding layer 7, and one side outer jacket 8 is extruded in the outside of kinking area shielding layer 7, and a plurality of wear-resisting pieces 9 of outside annular installation of outer jacket 8 have just accomplished the production of cable this moment.
Finally, it should be noted that: 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 modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides an anti-interference 5G environmental protection cable, includes many wires (1), its characterized in that, two adjacent wires (1) are around establishing the formation twisted pair each other, and many wires (1) are around establishing a plurality of twisted pair, are provided with in the twisted pair and are used for establishing more firm cellosilk (2) around two wires (1), and a plurality of the outside parcel of wire (1) has filler (3), the outside of filler (3) is fixed to be wrapped up has shielding layer (4), the outside of shielding layer (4) is fixed to be wrapped up has around package (5), the outside of wrapping (5) is fixed to be wrapped up has ribbon (6), the outside of ribbon (6) is fixed to be wrapped up has ribbon shielding layer (7), the outside of ribbon shielding layer (7) is fixed to be wrapped up has outer jacket (8), the outside annular fixed mounting of outer jacket (8) has wear-resistant component, the outer sides of the shielding layer (4), the wrapping bag (5), the binding belt (6), the winding belt shielding layer (7) and the outer protective layer (8) are provided with fastening components.
2. The anti-interference 5G environment-friendly cable according to claim 1, wherein the wear-resistant assembly comprises a plurality of wear-resistant blocks (9), the wear-resistant blocks (9) are annularly arranged and installed on the outer side of the outer protective layer (8), and the wear resistance of the outer layer of the outer protective layer (8) can be greatly improved by using the wear-resistant blocks (9).
3. The anti-interference 5G environment-friendly cable according to claim 1, wherein the fastening assembly comprises a plurality of connecting layers (11), the connecting layers (11) respectively penetrate through the shielding layer (4), the wrapping (5), the ribbon (6), the tape winding shielding layer (7) and the outer protective layer (8), a plurality of connecting steel wires (12) are fixedly connected to the connecting layers (11), the connecting steel wires (12) respectively extend into the shielding layer (4), the wrapping (5), the ribbon (6), the tape winding shielding layer (7) and the outer protective layer (8), two adjacent connecting layers (11) are fixedly connected with the same arc connecting ring (13), and the connection tightness of the shielding layer (4), the wrapping (5), the ribbon (6), the tape winding shielding layer (7) and the outer protective layer (8) can be improved by utilizing the connecting layers (11), the connecting steel wires (12) and the arc connecting rings (13), thereby, the fastening of the cable connection can be improved.
4. The anti-interference 5G environment-friendly cable according to claim 1, wherein the filler (3) is prepared by the following steps: comprises raw materials with the weight portions of 3 to 5 portions of zeolite powder, 6 to 10 portions of rubber powder, 1 to 3 portions of filling agent and 2 to 4 portions of adhesive;
the preparation method comprises the following steps:
the zeolite powder, the rubber powder and the filler are kneaded, mixed and stirred, after the mixing and stirring are finished, the adhesive is poured into the mixed material, at the moment, the mixed material is poured into an extruder, and finally the mixed material can be extruded by the extruder, so that the finished filler can be obtained.
5. The anti-interference 5G environment-friendly cable according to claim 1, wherein the shielding layer is a copper woven layer mesh braid or a tin-plated copper mesh braid.
6. The anti-interference 5G environment-friendly cable according to claim 1, wherein the wrapping can be made of any one of a semiconductive nylon tape, a semiconductive Teflon tape, a semiconductive buffer water-blocking tape, a semiconductive water-blocking binding tape, a semiconductive butyl rubber buffer tape and a water-blocking tape.
7. The anti-interference 5G environment-friendly cable according to claim 1, wherein the outer protective layer can be made of any one of a ramie layer or a polyvinyl chloride sheath layer.
8. The anti-interference 5G environment-friendly cable according to claim 1, wherein two rubber bumps (10) which are symmetrically arranged are fixedly connected to one side of the wear-resistant block (9) far away from the outer protective layer (8).
9. The method for preparing the anti-interference 5G environment-friendly cable according to any one of claims 1 to 8, characterized by comprising the following steps:
s1, drawing of a wire: the wire 1 is reduced in section, increased in length and improved in strength at normal temperature by passing through one or more die holes of a drawing die by a wire drawing machine;
s2, annealing the monofilaments: the wire 1 is heated to a certain temperature, the toughness of the monofilament is improved and the strength of the monofilament is reduced in a recrystallization mode, and the oxidation of the wire 1 can be avoided in an annealing process;
s3, stranding a conductor: in order to improve the interference resistance of the electric wire and the cable and facilitate laying and installation, a plurality of adjacent two monofilaments and fiber wires 2 are twisted to form a twisted pair, the twisted form of the wire 1 can be any one of regular twisting and irregular twisting, and the irregular twisting can be any one of bundle twisting, concentric compound twisting and special twisting;
s4, in order to reduce the occupied area of the conductor and the geometric size of the cable, the conductor 1 is stranded and simultaneously a pressing form is adopted, so that a common circle can be deformed into any one of a semicircle, a sector, a tile shape and a pressed circle;
s5, insulating extrusion: the plastic wire and cable mainly adopts a solid insulating layer which is extruded, and the main technical requirements of plastic insulation extrusion are as follows:
s51, eccentricity: the deviation value of the extruded insulation thickness is an important mark for reflecting the extrusion process level, and the product structure size and the deviation value thereof are all specified in the standard;
s52, smoothness: the surface of the extruded insulating layer is required to be smooth, and the problems of rough surface, scorching and poor quality of impurities cannot be caused;
s53, compactness: the cross section of the extruded insulating layer is compact and firm, and pinholes which are visible to naked eyes are not accurate, so that air bubbles are prevented;
s6, cabling: one deck shielding layer (4) is established around the outside of a plurality of twisted-pair lines that will process, the outside of shielding layer (4) is around establishing one side around package (5), around the outside of package (5) around establishing one side ribbon (6), the outside of ribbon (6) is around establishing one side ribbon shielding layer (7), one side outer jacket (8) are extruded in the outside of ribbon shielding layer (7), a plurality of wear-resisting pieces (9) of outside annular installation of outer jacket (8), the production of cable has just been accomplished this moment.
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| CN202110892251.5A CN113643852A (en) | 2021-08-04 | 2021-08-04 | Anti-interference 5G environment-friendly cable and preparation method thereof |
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| CN202110892251.5A CN113643852A (en) | 2021-08-04 | 2021-08-04 | Anti-interference 5G environment-friendly cable and preparation method thereof |
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| US20150107872A1 (en) * | 2013-10-23 | 2015-04-23 | Belden Inc. | High performance data communications cable |
| CN208903706U (en) * | 2018-12-04 | 2019-05-24 | 江苏特宝利尔特种电缆有限公司 | A kind of buggy ladle high-pressure anti-wear damage cable |
| CN210223653U (en) * | 2019-08-16 | 2020-03-31 | 成都普天电缆股份有限公司 | Communication cable |
| CN211062484U (en) * | 2019-10-08 | 2020-07-21 | 广东日丰电缆股份有限公司 | Wear-resistant high-toughness 5G cable |
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2021
- 2021-08-04 CN CN202110892251.5A patent/CN113643852A/en active Pending
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Application publication date: 20211112 |