CN220272173U - Fire-resistant high-speed data cable for data center system - Google Patents
Fire-resistant high-speed data cable for data center system Download PDFInfo
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- CN220272173U CN220272173U CN202321674634.6U CN202321674634U CN220272173U CN 220272173 U CN220272173 U CN 220272173U CN 202321674634 U CN202321674634 U CN 202321674634U CN 220272173 U CN220272173 U CN 220272173U
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- 230000009970 fire resistant effect Effects 0.000 title claims abstract description 37
- 239000010410 layer Substances 0.000 claims abstract description 94
- 239000011241 protective layer Substances 0.000 claims abstract description 20
- 239000004020 conductor Substances 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 13
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 229910021389 graphene Inorganic materials 0.000 claims description 9
- 239000004033 plastic Substances 0.000 claims description 9
- -1 polytetrafluoroethylene Polymers 0.000 claims description 9
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 9
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 9
- 238000005187 foaming Methods 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 238000009941 weaving Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 8
- 238000009413 insulation Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 239000003063 flame retardant Substances 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 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 description 2
- 239000002585 base Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000011295 pitch Substances 0.000 description 2
- XIUFWXXRTPHHDQ-UHFFFAOYSA-N prop-1-ene;1,1,2,2-tetrafluoroethene Chemical group CC=C.FC(F)=C(F)F XIUFWXXRTPHHDQ-UHFFFAOYSA-N 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
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- 208000014674 injury Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of cables, in particular to a fire-resistant high-speed data cable used in a data center system, wherein a cable core comprises an inner conductor and an inner protective layer coated on the surface of the inner conductor; the two cable cores and the current-conducting wire form a group of core stranding bodies, a first shielding layer is longitudinally wrapped outside the core stranding bodies, and a wrapping layer is wrapped outside the first shielding layer; six pairs of wire core stranded bodies are uniformly arranged outside the wrapping layer to form a wire pair stranded body, and the second shielding layer, the third shielding layer, the fire-resistant layer and the outer protective layer are sequentially coated outside the wire pair stranded body.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a fire-resistant high-speed data cable used in a data center system.
Background
At present, the development of the global Internet of things industry is still in the first stage, namely, hardware cost is low, power consumption is reduced, and Internet of things connection number bursts. At this stage, intelligent home, intelligent security, smart city and other applications fall to the ground in disputes. For data and energy transmission of information sensing equipment such as an infrared sensor, a laser scanner, a gas sensor and the like under the Internet of things and terminal equipment such as intelligent monitoring and intelligent bulbs and the like, a data cable is the most main solution. With the continuous development and upgrading of the internet of things and applications thereof, demands of data cables and connection products thereof are continuously rising, global data center construction is in a rapid growth period in recent years, a large number of high-speed transmission cables and connection systems thereof are required for large-scale data centers, 6A types and more twisted pair cables are required for a horizontal subsystem bearing data service in national data center design specifications GB50174-2017, requirements for flame retardance and fire resistance in a machine room are provided at the same time, and higher requirements are provided for high-speed digital communication cables for the data centers, in particular, how to strengthen design and improvement processes in the aspects of wide frequency band, low attenuation, high anti-interference performance, high flame retardance and the like, and develop fire-resistant high-speed data cables which better meet the data center systems are important thresholds in front of cable manufacturers.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and the fire-resistant high-speed data cable for the data center system adopts a tin-plated oxygen-free copper conductor with the purity of 99.99 percent, so that the transmission attenuation of the cable at low frequency is smaller, the transmission rate of a wire core is improved, the signal transmission attenuation is reduced, the mutual interference between loops is reduced in order to prevent the mutual interference between loops, the stability of high-frequency signal transmission is ensured, and an aluminum-plastic fire-resistant graphene screen is used in design.
In order to achieve the above object, the present utility model provides a fire-resistant high-speed data cable for use in a data center system, comprising a cable core, characterized in that: the cable core comprises an inner conductor and an inner protective layer coated on the surface of the inner conductor; the two cable cores and the guide wire form a wire core stranded body, a first shielding layer is longitudinally wrapped outside the wire core stranded body, and a wrapping layer is wrapped outside the first shielding layer; six pairs of wire core stranded bodies are uniformly arranged outside the wrapping layer to form a wire pair stranded body, and a second shielding layer, a third shielding layer, a fire-resistant layer and an outer protective layer are sequentially coated outside the wire pair stranded body.
Further, the wrapping layer is completely filled in gaps among the wire core stranded bodies; the second shielding layer is wrapped on the wire pair twisting body, the third shielding layer is wrapped on the surface of the second shielding layer, the fire-resistant layer is wrapped on the surface of the second shielding layer in an extrusion mode, and the outer protection layer is wrapped on the fire-resistant layer in an extrusion mode.
Furthermore, the inner protective layer is coated on the surface of the inner conductor by adopting a foaming fusible polytetrafluoroethylene material, and the surface of the inner protective layer is in a uniform honeycomb shape.
Further, the first shielding layer is longitudinally wrapped on the surface of the inner protective layer by adopting an aluminum-plastic fireproof graphene screen belt.
Further, the wrapping layer is wrapped on the surface of the first shielding layer by using a polyester insulating tape.
Further, the second shielding layer is wrapped on the surface of the wire pair twisting body by adopting an aluminum-plastic fireproof graphene screen belt; the third shielding layer is formed by weaving tin-plated copper material into a metal net form and is coated on the surface of the second shielding layer in 360 degrees.
Further, the second shielding layer is formed by weaving tin-plated copper materials into a metal net form and is coated on the surface of the third shielding layer in 360 degrees.
Furthermore, the fire-resistant layer is wrapped on the surface of the second shielding layer by adopting a fire-resistant glass fiber belt in a 360-degree wrapping mode.
Furthermore, the outer protective layer is extruded on the surface of the fire-resistant layer by adopting a fusible polytetrafluoroethylene material.
Further, the inner conductor adopts a tin-plated oxygen-free copper conductor with the purity of 99.99 percent. The beneficial effects of the utility model are as follows: the physical foaming fusible polytetrafluoroethylene insulating layer is used on the wire core structure, so that the dielectric constant of the wire core is greatly reduced, the low attenuation requirement of signal transmission is met, the wire core transmission rate is improved, and the high flame retardance, the temperature resistance and the acid-base corrosivity requirement are met by using the aluminum plastic fireproof graphene shielding strip material for the first shielding layer and the second shielding layer.
Drawings
For ease of illustration, the utility model is described in detail by the following preferred embodiments and the accompanying drawings. FIG. 1 is a schematic illustration of a fire resistant high speed data cable structure for use in a data center system in accordance with the present utility model; in the figure: the cable comprises a cable core-1, an inner conductor-11, an inner protective layer-12, a current-guiding wire-13, a core stranding body-2, a first shielding layer-21, a wrapping layer-22, a second shielding layer-3, a third shielding layer-4, a fire-resistant layer-5 and an outer protective layer-6.
Description of the embodiments
A fire resistant high speed data cable for use in a data center system according to the present utility model is further described with reference to the accompanying drawings:
referring to the structure of fig. 1, a fire-resistant high-speed data cable for use in a data center system includes a cable core including an inner conductor and an inner jacket covering a surface of the inner conductor; the two cable cores and the current-conducting wire form a group of core stranding bodies, a first shielding layer is longitudinally wrapped outside the core stranding bodies, and a wrapping layer is wrapped outside the first shielding layer; six pairs of wire core stranded bodies are uniformly arranged outside the wrapping layer to form a wire pair stranded body, and a second shielding layer, a third shielding layer, a fire-resistant layer and an outer protective layer are sequentially coated outside the wire pair stranded body.
The cable core comprises a silver-plated copper inner conductor 11 and a fusible polytetrafluoroethylene inner protective layer 12 coated outside the inner conductor 11, the inner conductor 11 adopts a single silver-plated oxygen-free copper wire, the conductivity of the silver-plated oxygen-free copper wire reaches 106%, the inner protective layer 12 is extruded on the surface of the inner conductor 11 by using physical foaming fusible polytetrafluoroethylene, the foaming degree of the inner protective layer is more than 50%, the insulating material is high-temperature resistant, the dielectric constant of the foaming insulating layer is small, the performance is stable, a current-conducting wire 3 is arranged between the cable core and the first shielding layer 21, the current-conducting wire 13 is composed of a plurality of strands of tinned copper, the first shielding layer 21 is longitudinally coated on the surfaces of a wire core stranded body and the current-conducting wire 3 by using an aluminum-plastic fireproof graphene screen, eight wire core stranded bodies and a wrapping layer form a wire pair stranded body, the structure forms a first shielding layer and a first layer fireproof layer, the wrapping layer 22 is wrapped on two wire core stranding bodies by a layer of polyester insulating tape at 360 degrees, the material has excellent mechanical property, high tensile strength and ensures the stability of the internal structure of the battery core, the second shielding layer 3 is wrapped on the surface of the wire core stranding bodies by an aluminum-plastic fireproof graphene screen tape to form a second shielding layer and a second layer fireproof layer, the third shielding layer 4 is wrapped on the surface of the second shielding layer 3 by a tinned copper wire woven net at 360 degrees to form a third layer of shielding layer, the fireproof layer 5 is wrapped on the surface of the third shielding layer 4 by a fireproof glass fiber tape to form a third layer of fireproof layer, the outer protective layer 6 is extruded on the surface of the fireproof layer 5 by a fusible polytetrafluoroethylene material, the material does not generate dense smoke and other secondary injury when being burnt, can effectively ensure personnel safety and property safety, and has good high temperature resistance and acid and alkali corrosion resistance, and the overall flame retardant property of the cable meets the requirements of the national underwriter laboratory (CMP) grade flame retardant property.
The traditional high flame-retardant CMP-level data cable adopts solid-core perfluoroethylene propylene insulation, the transmission rate is 65%, the cable disclosed by the utility model adopts physical foaming insulation, the foaming reaches 50%, the transmission rate is 80%, the use amount of an insulating material is 50% of that of a solid-core perfluoroethylene propylene material, the maximum attenuation value of the cable is smaller than 40dB/100m when tested at the frequency of 24GMHz, the minimum value of near-end crosstalk is 30dB, and the cable is not broken down in dielectric strength AC,15KV and 5 min. The insulation resistance is more than or equal to 1000MΩ.km, and meanwhile, a polyolefin skin layer is extruded on the surface of the insulation layer, so that the wire structure is more stable, and the differential impedance meets 90+/-15 Ω within the rising edge time.
The data cable for the traditional transmission bandwidth 500MHz local area network reduces the signal mutual interference among all the wire pairs by designing different pitches on the wire pairs and by a wire pair pitch difference balance principle. In addition, in order to ensure the stability and reliability of the cable core and reduce the production cost, the outer shielding layer adopts a double shielding structure, namely a shielding body formed by combining an aluminum-plastic fireproof graphene screen belt and a tin-plated copper metal net, and the function is to meet the anti-interference capability of high and low frequency bands. The outer protective layer material uses fusible polytetrafluoroethylene material to meet the requirements of high flame retardance, temperature resistance and acid-base corrosion resistance.
The foregoing and construction describes the basic principles, principal features and advantages of the present utility model product, as will be appreciated by those skilled in the art. The foregoing examples and description are provided to illustrate the principles of the utility model and to provide various changes and modifications without departing from the spirit and scope of the utility model as defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (10)
1. A fire resistant high speed data cable for use in a data center system comprising a cable core, characterized in that: the cable core comprises an inner conductor and an inner protective layer coated on the surface of the inner conductor; the cable core and the current-conducting wire form a group to form a core stranded body, a first shielding layer is longitudinally wrapped outside the core stranded body, and a wrapping layer is wrapped outside the first shielding layer; six pairs of wire core stranded bodies are uniformly arranged outside the wrapping layer to form a wire pair stranded body, and a second shielding layer, a third shielding layer, a fire-resistant layer and an outer protective layer are sequentially coated outside the wire pair stranded body.
2. A fire resistant high speed data cable for use in a data center system as recited in claim 1, wherein: the wrapping layer is completely filled in gaps among the wire core stranding bodies; the second shielding layer is wrapped on the wire pair twisting body, the third shielding layer is wrapped on the surface of the second shielding layer, the fire-resistant layer is wrapped on the surface of the second shielding layer in an extrusion mode, and the outer protection layer is wrapped on the fire-resistant layer in an extrusion mode.
3. A fire resistant high speed data cable for use in a data center system as recited in claim 2, wherein: the inner protective layer is coated on the surface of the inner conductor by adopting a foaming fusible polytetrafluoroethylene material, and the surface of the inner protective layer is in a uniform honeycomb shape.
4. A fire resistant high speed data cable for use in a data center system as recited in claim 3, wherein: the first shielding layer is longitudinally wrapped on the surface of the inner protective layer by adopting an aluminum-plastic fireproof graphene screen belt.
5. A fire resistant high speed data cable for use in a data center system as recited in claim 4, wherein: and the wrapping layer is wrapped on the surface of the first shielding layer by adopting a polyester insulating tape.
6. The fire resistant high speed data cable for use in a data center system as recited in claim 5, wherein the second shielding layer is wrapped around the surface of the wire pair twist body with an aluminum-plastic fire resistant graphene screen; the third shielding layer is formed by weaving tin-plated copper material into a metal net form and is coated on the surface of the second shielding layer in 360 degrees.
7. A fire resistant high speed data cable for use in a data center system as recited in claim 6, wherein: the second shielding layer is coated on the surface of the third shielding layer in a 360-degree manner in a metal mesh form by adopting a tin-plated copper material.
8. A fire resistant high speed data cable for use in a data center system as recited in claim 7, wherein: the fire-resistant layer is wrapped on the surface of the second shielding layer by adopting a fire-resistant glass fiber belt in a 360-degree wrapping mode.
9. A fire resistant high speed data cable for use in a data center system as recited in claim 8, wherein: the outer protective layer is extruded on the surface of the fire-resistant layer by adopting a fusible polytetrafluoroethylene material.
10. A fire resistant high speed data cable for use in a data center system as recited in claim 9, wherein: the inner conductor adopts a tin-plated oxygen-free copper conductor with the purity of 99.99 percent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321674634.6U CN220272173U (en) | 2023-06-29 | 2023-06-29 | Fire-resistant high-speed data cable for data center system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321674634.6U CN220272173U (en) | 2023-06-29 | 2023-06-29 | Fire-resistant high-speed data cable for data center system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220272173U true CN220272173U (en) | 2023-12-29 |
Family
ID=89304365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321674634.6U Active CN220272173U (en) | 2023-06-29 | 2023-06-29 | Fire-resistant high-speed data cable for data center system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220272173U (en) |
-
2023
- 2023-06-29 CN CN202321674634.6U patent/CN220272173U/en active Active
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