CN112466552A - Sixteen pairs of high-speed data transmission cables - Google Patents
Sixteen pairs of high-speed data transmission cables Download PDFInfo
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- CN112466552A CN112466552A CN202011490358.9A CN202011490358A CN112466552A CN 112466552 A CN112466552 A CN 112466552A CN 202011490358 A CN202011490358 A CN 202011490358A CN 112466552 A CN112466552 A CN 112466552A
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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
- H01B11/08—Screens specially adapted for reducing cross-talk
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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
- H01B11/10—Screens specially adapted for reducing interference from external sources
-
- 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
- H01B7/0045—Cable-harnesses
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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
- H01B7/02—Disposition of insulation
- H01B7/0208—Cables with several layers of insulating material
- H01B7/0216—Two layers
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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
- H01B7/17—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
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- Electromagnetism (AREA)
- Insulated Conductors (AREA)
Abstract
本发明公开了一种十六对高速率数据传输线缆，包括十六传输线对、2或3层隔离层及外包覆层；十六传输线对分成2或3层，相邻两层传输线对之间设隔离层，最外层传输线对外侧也设隔离层，最外层隔离层之外包覆外包覆层；隔离层及外包覆层截面形状均为圆形；十六传输线对通过旋转方式绞合成高速率数据传输线缆，十六传输线对每围绕高速率数据传输线缆的中心公转一周的同时，每一传输线对还分别同方向自转一周。本发明十六对线结构，最高可达800Gbps的传输速率；十六传输线对分为三层或两层成型，此结构成型稳定，并可充分利用空间，降低整线外径和重量；旋转绞合成缆，保证线缆耐弯性能和圆整度，同时降低线对之间相互挤压内应力。
The invention discloses a 16-pair high-speed data transmission cable, comprising 16 transmission line pairs, 2 or 3 layers of isolation layers and an outer cladding layer; the 16 pairs of transmission lines are divided into 2 or 3 layers, and two adjacent layers of transmission line pairs An isolation layer is set between them, and an isolation layer is also set on the outside of the outermost transmission line pair, and the outermost isolation layer is covered with an outer cladding layer; the cross-sectional shapes of the isolation layer and the outer cladding layer are circular; It is twisted into a high-speed data transmission cable in a rotating manner. When the sixteen transmission line pairs revolve around the center of the high-speed data transmission cable for one revolution, each transmission line pair also rotates in the same direction for one revolution. The sixteen-pair wire structure of the present invention has a maximum transmission rate of 800 Gbps; the sixteen transmission wire pairs are formed into three or two layers, the structure is stable in forming, and the space can be fully utilized to reduce the outer diameter and weight of the entire wire; The synthetic cable ensures the bending resistance and roundness of the cable, and at the same time reduces the internal stress of the mutual extrusion between the pairs.
Description
Technical Field
The invention relates to the technical field of communication wires and cables, in particular to a sixteen-pair high-speed data transmission cable.
Background
With the coming of the 5G era, applications of internet of things, intelligent driving, AI artificial intelligence and the like are gradually spread, the transmission bandwidth and the transmission rate of data are higher and higher, the transmission rate of the current cable is up to 400Gbps, four-channel eight-pair cables are adopted for signal transmission, the single-channel transmission rate is 100Gbps, and the structure of the four-channel eight-pair cables can refer to patent 201210465074.3. The requirements of data transmission on bandwidth and transmission rate are endless, more application scenarios will be developed in the future, and the transmission rate of 400Gbps will gradually reach the application bottleneck and cannot meet the requirements of the application scenarios.
See chinese patent 201721439868.7 which discloses a high-temperature and high-speed data transmission line. The transmission line comprises a plurality of differential signal pair core wires, a middle tegument and an outer tegument sheath, wherein the differential signal pair core wires comprise a pair of core wires twisted in pairs, a high-temperature color separation band, a polyester band and a shielding layer, the core wires comprise conductors and insulating layers, the insulating layers cover the conductors, the high-temperature color separation band covers the core wires, the polyester band covers the high-temperature color separation band, the shielding layer covers the polyester band, the middle tegument layer covers the shielding layer, the outer tegument sheath covers the middle tegument layer, the middle tegument layer is made of ceramic low-smoke halogen-free polyolefin fire-resistant materials, and the outer teg; the data transmission line has sixteen pairs of differential signal pair cores. However, the data transmission line disclosed in the patent 201721439868.7 also has the following disadvantages: firstly, according to the patent specification, the data transmission line achieves the product function effect that the SAS4.0 version ultra-high-speed cable assembly and the built-in MINI-SAS high-density connector thereof can completely achieve the 192Mbps/S transmission rate, but compared with the transmission rate of 400Gbps in the 5G era, the data transmission line has very low transmission rate and is not suitable for being used as a data transmission cable in the 5G era; and secondly, sixteen transmission line pairs of the data transmission line are arranged in a straight line, the structure is unstable, the data transmission attenuation performance of the wire rod is poor, the bending resistance and the roundness of the wire rod are poor, and the wire rod is easy to bend and break.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a sixteen-pair high-speed data transmission cable according to the defects of the prior art, wherein the data transmission line adopts a sixteen-pair line structure, and the transmission rate can reach 800Gbps at most; the sixteen pairs of the data transmission cable are formed into three or two layers, the structure is stable in forming, space can be fully utilized, and the outer diameter and weight of the whole cable are reduced; the data transmission cable adopts a rotation twisting mode without back twisting and twisting during cabling, each transmission line pair respectively rotates for a circle in the same direction when each sixteen transmission line pair revolves for a circle around the center of the high-speed data transmission cable, the bending resistance and the roundness of the cable are ensured, and the mutual extrusion internal stress between the line pairs is reduced.
In order to solve the technical problems, the technical scheme of the invention is as follows: a sixteen-pair high-speed data transmission cable comprises sixteen transmission line pairs, 2 or 3 layers of isolation layers and an outer coating layer; the sixteen transmission line pairs are divided into 2 or 3 layers, an isolation layer is arranged between two adjacent transmission line pairs, the outer side of the outermost transmission line pair is also provided with the isolation layer, and an outer coating layer is coated outside the outermost isolation layer; the cross sections of the isolation layer and the outer cladding layer are both circular; the sixteen transmission line pairs are twisted into a high-speed data transmission cable in a rotating mode, and each transmission line pair respectively rotates for a circle in the same direction when revolving around the center of the high-speed data transmission cable for a circle.
Preferably, the sixteen transmission line pairs are divided into three layers, namely a first layer, a second layer and a third layer from inside to outside; the first layer is provided with two transmission line pairs which are arranged side by side; the second layer is provided with six transmission line pairs which are arranged along the circumferential direction of the isolation layer; the third layer is provided with eight transmission line pairs and two outer filling bodies, and the eight transmission line pairs and the two outer filling bodies are arranged along the circumferential direction of the isolation layer.
Preferably, the sixteen transmission line pairs are divided into two layers, namely a first layer and a second layer from inside to outside; the first layer is provided with six transmission line pairs which are arranged along the circumferential direction of the isolation layer, and the central position of a cable at the inner side of the transmission line pair of the first layer is provided with an inner filling body; the second layer has ten transmission line pairs arranged in a circumferential direction of the isolation layer.
Preferably, the outer covering layer is an outer metal shielding layer, or an outer sheath layer, or is formed by combining the outer metal shielding layer and the outer sheath layer from inside to outside.
Preferably, the transmission line pair includes an inner conductor, a first insulating layer, a second insulating layer, a shielding layer, a ground line, and an inner layer, the first insulating layer covers the outer side of the inner conductor, the second insulating layer covers the outer side of the first insulating layer, the shielding layer covers the outer side of the second insulating layer, and the inner layer covers the outer sides of the shielding layer and the ground line.
Preferably, the number of the inner conductors is two, the number of the ground wires is two, the first insulating layers are respectively and independently coated outside each inner conductor, the second insulating layers are simultaneously coated outside the two first insulating layers which are arranged in parallel, the two ground wires are positioned on two sides of the shielding layer, and the inner layer is coated outside the two ground wires and the shielding layer.
Preferably, the inner conductor and the ground wire are single or multi-strand metal wires, the metal wire is any one of a silver-plated copper metal wire, a tin-plated copper metal wire, a bare copper metal wire, a silver-plated copper-clad steel metal wire and a silver-plated copper-clad aluminum metal wire, and the cross section of the inner conductor and the ground wire is any one of a circle, an ellipse and a flat.
Preferably, the first insulating layer is any one of a polyethylene insulating layer, a foamed polyethylene insulating layer, a polypropylene insulating layer, a foamed polypropylene insulating layer, a fluorinated ethylene propylene insulating layer, a foamed fluorinated ethylene propylene insulating layer, a polytetrafluoroethylene insulating layer, a foamed polytetrafluoroethylene insulating layer, a microporous polytetrafluoroethylene insulating layer and a meltable polytetrafluoroethylene insulating layer; the second insulating layer is any one of a polyethylene insulating layer, a foamed polyethylene insulating layer, a polypropylene insulating layer, a foamed polypropylene insulating layer, a fluorinated ethylene propylene insulating layer, a foamed fluorinated ethylene propylene insulating layer, a polytetrafluoroethylene insulating layer, a foamed polytetrafluoroethylene insulating layer, a microporous polytetrafluoroethylene insulating layer and a meltable polytetrafluoroethylene insulating layer.
Preferably, the shielding layer is any one or a combination of a plurality of shielding layers of a hot melt self-adhesive aluminum foil layer, a hot melt self-adhesive copper foil layer, a hot melt self-adhesive silver-plated copper foil layer, an aluminum foil layer, a copper foil layer and a silver-plated copper foil layer.
Preferably, the inner layer is any one of a plastic mylar inner layer, a polyethylene inner layer, a polytetrafluoroethylene inner layer, a polyperfluoroethylene propylene inner layer and a polyolefin inner layer.
The invention has the beneficial effects that: firstly, the invention adopts a sixteen-pair structure, the transmission rate can reach 800Gbps, which is twice of the highest transmission rate of 400Gbps of the current cable, and the ultrahigh-rate data transmission is realized. The sixteen transmission line pairs are divided into 2 or 3 layers, an isolation layer is arranged between two adjacent transmission line pairs, the outer side of the outermost transmission line pair is also provided with the isolation layer, the outermost isolation layer is coated with an outer coating layer, and the cross sections of the isolation layer and the outer coating layer are circular. Thirdly, the data transmission cable adopts a rotation twisting mode without back twisting when cabling, each transmission line pair of sixteen transmission lines respectively rotates for a circle in the same direction when revolving for a circle around the center of the high-speed data transmission cable, namely the rotation direction is the same as the revolution direction, and the rotation is 360 degrees when revolving for a circle, so that the bending resistance and the roundness of the wire rods can be ensured, and the mutual extrusion internal stress between the line pairs is reduced. The transmission line pair adopts a double-layer insulation structure, the position of the conductor is fixed by utilizing the outer layer insulation, the consistency and symmetry of the transmission line pair are improved, the line pair can be prevented from shifting or misplacing in the cabling process, the stability of the transmission performance of the wire rod is ensured, and meanwhile, the common-mode differential-mode coupling ratio of the wire rod is flexibly controlled by controlling the thickness of the two layers of insulation, and the attenuation performance of the wire rod is improved.
Drawings
Fig. 1 is a schematic cross-sectional view of sixteen pairs of high-speed data transmission lines according to an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional view of sixteen pairs of high-speed data transmission lines according to another embodiment of the present invention.
Fig. 3 is a schematic cross-sectional structure of a transmission line pair according to the present invention.
Detailed Description
The structural and operational principles of the present invention are explained in further detail below with reference to the accompanying drawings.
As shown in fig. 1, with reference to fig. 3, a first embodiment of the present invention discloses a sixteen-pair high-speed data transmission cable, which includes sixteen transmission line pairs 100, 3 isolation layers 200 and an outer cladding layer 300; the sixteen transmission line pairs are divided into 3 layers, an isolation layer 200 is arranged between two adjacent transmission line pairs 100, the isolation layer 200 is also arranged on the outer side of the outermost transmission line pair 100, and an outer coating layer 300 is coated outside the outermost isolation layer 200; the cross-sectional shapes of the isolation layer 200 and the outer cladding layer 300 are both circular; the sixteen transmission line pairs 100 are twisted into a high-speed data transmission cable in a rotating manner, and each transmission line pair 100 rotates for a circle in the same direction when the sixteen transmission line pairs 100 revolve for a circle around the center of the high-speed data transmission cable.
As shown in fig. 1, with combined reference to fig. 3, the sixteen transmission line pair 100 is divided into three layers, a first layer, a second layer, and a third layer from the inside to the outside; the first layer has two transmission line pairs 100, the two transmission line pairs 100 are arranged side by side; the second layer has six transmission line pairs 100, the six transmission line pairs 100 are arranged along the circumferential direction of the isolation layer 200; the third layer has eight transmission line pairs 100 and two outer fillers 400, the eight transmission line pairs 100 and the two outer fillers 400 are arranged along the circumferential direction of the isolation layer 200; the outer filling bodies 400 have substantially the same shape and size as the transmission line pair 100 to ensure the roundness of the high-speed data transmission cable, and the two outer filling bodies 400 are symmetrically arranged. The outer covering layer 300 is an outer metal shielding layer, or an outer sheath layer, or is formed by combining the outer metal shielding layer and the outer sheath layer from inside to outside.
As shown in fig. 2, with reference to fig. 3, a sixteen-pair high-speed data transmission cable according to a second embodiment of the present invention includes sixteen transmission line pairs 100, 2 isolation layers 200 and an outer covering layer 300; the sixteen transmission line pairs 100 are divided into 2 layers, an isolation layer 200 is arranged between two adjacent transmission line pairs 100, the isolation layer 200 is also arranged on the outer side of the transmission line pair 100 on the outermost layer, and an outer coating layer 300 is coated outside the isolation layer 200 on the outermost layer; the cross-sectional shapes of the isolation layer 200 and the outer cladding layer 300 are both circular; the sixteen transmission line pairs 100 are twisted into a high-speed data transmission cable in a rotating manner, and each transmission line pair 100 rotates for a circle in the same direction when the sixteen transmission line pairs 100 revolve for a circle around the center of the high-speed data transmission cable.
As shown in fig. 2, with combined reference to fig. 3, the sixteen transmission line pairs are divided into two layers, a first layer and a second layer from inside to outside; the first layer is provided with six transmission line pairs 100, the six transmission line pairs 100 are arranged along the circumferential direction of the isolation layer 200, and an inner filling body 500 is arranged at the central position of the cable at the inner side of the first layer transmission line pair 100 to ensure the roundness of the wire rod; the second layer has ten transmission line pairs 100, and the ten transmission line pairs 100 are arranged in the circumferential direction of the isolation layer 200. The outer covering layer 300 is an outer metal shielding layer, or an outer sheath layer, or is formed by combining the outer metal shielding layer and the outer sheath layer from inside to outside.
As shown in fig. 3, the transmission line pair 100 of the present invention includes an inner conductor 1, a first insulating layer 2, a second insulating layer 3, a shielding layer 4, a ground line 5 and an inner layer 6, wherein the first insulating layer 2 covers the outer surface of the inner conductor 1, the second insulating layer 3 covers the outer surface of the first insulating layer 2, the shielding layer 4 covers the outer surface of the second insulating layer 3, the ground line 5 is disposed on the outer side of the shielding layer 4, and the inner layer 6 covers the outer surfaces of the shielding layer 4 and the ground line 5.
As shown in fig. 3, the number of the inner conductors 1 is two, the number of the ground wires 5 is two, the first insulating layers 2 are respectively and independently coated outside each inner conductor 1, the second insulating layers 3 are simultaneously coated outside the two first insulating layers 2 which are arranged in parallel, the two ground wires 5 are located on two sides of the shielding layer 4, and the inner layer 6 is coated outside the two ground wires 5 and the shielding layer 4.
Preferably, the inner conductor 1 and the ground wire 5 are single or stranded metal wires, the metal wires are any one of silver-plated copper metal wires, tin-plated copper metal wires, bare copper metal wires, silver-plated copper-clad steel metal wires and silver-plated copper-clad aluminum metal wires, and the cross sections of the inner conductor and the ground wire are any one of circular, oval and flat.
Preferably, the first insulating layer 2 is any one of a polyethylene insulating layer, a foamed polyethylene insulating layer, a polypropylene insulating layer, a foamed polypropylene insulating layer, a fluorinated ethylene propylene insulating layer, a foamed fluorinated ethylene propylene insulating layer, a polytetrafluoroethylene insulating layer, a foamed polytetrafluoroethylene insulating layer, a microporous polytetrafluoroethylene insulating layer, and a meltable polytetrafluoroethylene insulating layer; the second insulating layer 3 is any one of a polyethylene insulating layer, a foamed polyethylene insulating layer, a polypropylene insulating layer, a foamed polypropylene insulating layer, a fluorinated ethylene propylene insulating layer, a foamed fluorinated ethylene propylene insulating layer, a polytetrafluoroethylene insulating layer, a foamed polytetrafluoroethylene insulating layer, a microporous polytetrafluoroethylene insulating layer and a meltable polytetrafluoroethylene insulating layer.
Preferably, the shielding layer 4 is any one or a combination of a plurality of shielding layers of a hot melt self-adhesive aluminum foil layer, a hot melt self-adhesive copper foil layer, a hot melt self-adhesive silver-plated copper foil layer, an aluminum foil layer, a copper foil layer and a silver-plated copper foil layer.
Preferably, the inner layer 6 is any one of a plastic mylar inner layer, a polyethylene inner layer, a polytetrafluoroethylene inner layer, a polyperfluoroethylene propylene inner layer, and a polyolefin inner layer.
The invention adopts sixteen pairs of line pair structure, the transmission rate can reach 800Gbps, which is twice of the highest transmission rate of 400Gbps of the current 5G communication cable, and the ultrahigh-rate data transmission is realized. The sixteen transmission line pairs are divided into 2 or 3 layers, an isolation layer is arranged between two adjacent transmission line pairs, the outer side of the outermost transmission line pair is also provided with the isolation layer, the outer isolation layer is coated with an outer coating layer, and the cross sections of the isolation layer and the outer coating layer are circular. The data transmission cable adopts a rotation twisting mode without back twisting when cabling, each transmission line pair of sixteen transmission lines respectively rotates for a circle in the same direction when revolving for a circle around the center of the high-speed data transmission cable, namely the rotation direction is the same as the revolution direction, and the transmission lines rotate for 360 degrees when revolving for a circle, so that the bending resistance and the roundness of the wire rods can be ensured, and the mutual extrusion internal stress between the line pairs is reduced. The transmission line pair adopts a double-layer insulation structure, the position of the conductor is fixed by utilizing the outer layer insulation, the consistency and symmetry of the transmission line pair are improved, the line pair can be prevented from shifting or misplacing in the cabling process, the stability of the transmission performance of the wire rod is ensured, and meanwhile, the common-mode differential-mode coupling ratio of the wire rod is flexibly controlled by controlling the thickness of the two layers of insulation, and the attenuation performance of the wire rod is improved.
The above description is only a preferred embodiment of the present invention, and all the minor modifications, equivalent changes and modifications made to the above embodiment according to the technical solution of the present invention are within the scope of the technical solution of the present invention.
Claims (10)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011490358.9A CN112466552A (en) | 2020-12-16 | 2020-12-16 | Sixteen pairs of high-speed data transmission cables |
| PCT/CN2021/087170 WO2022126945A1 (en) | 2020-12-16 | 2021-04-14 | Sixteen-pair high-rate data transmission cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011490358.9A CN112466552A (en) | 2020-12-16 | 2020-12-16 | Sixteen pairs of high-speed data transmission cables |
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| CN112466552A true CN112466552A (en) | 2021-03-09 |
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| CN202011490358.9A Pending CN112466552A (en) | 2020-12-16 | 2020-12-16 | Sixteen pairs of high-speed data transmission cables |
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| WO (1) | WO2022126945A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022126945A1 (en) * | 2020-12-16 | 2022-06-23 | 深圳金信诺高新技术股份有限公司 | Sixteen-pair high-rate data transmission cable |
| WO2025156781A1 (en) * | 2024-01-26 | 2025-07-31 | 深圳讯诺科技有限公司 | Insulating dielectric structure and high-speed cable |
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| WO2025156781A1 (en) * | 2024-01-26 | 2025-07-31 | 深圳讯诺科技有限公司 | Insulating dielectric structure and high-speed cable |
Also Published As
| Publication number | Publication date |
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| WO2022126945A1 (en) | 2022-06-23 |
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