CN218730093U - High-speed transmission cable - Google Patents
High-speed transmission cable Download PDFInfo
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- CN218730093U CN218730093U CN202221647465.2U CN202221647465U CN218730093U CN 218730093 U CN218730093 U CN 218730093U CN 202221647465 U CN202221647465 U CN 202221647465U CN 218730093 U CN218730093 U CN 218730093U
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Abstract
The utility model relates to a high-speed transmission cable, which comprises a cable, the cable includes two parallel transmission signal heart yearns that parallel, and two outsides of transmission signal heart yearn are equipped with the ground wire respectively, the outside of cable has the PTFE area through around the package, the PTFE outband side is equipped with metal shield and hot melt wheat in proper order and draws the shielding layer, and the outside of cable adopts the PPTFE area around the package, because the PTFE area has characteristics such as softness, fire-retardant and chemical stability good, insulating ability is strong, temperature resistance to can increase the holistic bending resistance of cable, and simultaneously, the PPTFE area can reduce signal transmission's dielectric constant, promote signal transmission, lead to the phase transmission big and the high frequency signal transmission's that produces loss at the core extrusion in avoiding having traditional production, make the wire rod when guaranteeing the superiority, also can guarantee high frequency signal transmission's stability.
Description
Technical Field
The utility model relates to a cable field especially relates to a high-speed transmission cable.
Background
With the rapid development of 5G technology application, in order to meet the requirements of 5G diversified application scenes, the key performance indexes of 5G are more diversified. ITU defines eight key performance indexes of 5G, where high speed, low latency, and large connection become the most prominent features of 5G, user experience speed reaches 1Gbps, latency is as low as 1ms, and user connection capability reaches 100 ten thousand connections/square kilometer. Background of the development mobile communications continue. Since the application of telematics, global data traffic has been growing endlessly, even without a stop trend, over the course of thirty years. In view of such trends, ITU (international telecommunications union) predicts: the worldwide mobile data traffic increased by 5G each year in 2030, and new requirements are put on the wire and cable industry.
For a long time, the wire and cable manufacturing industry is excessively and extensively developed, the total productivity of the wire and cable is seriously excessive, the total quality of the product is not high, the market demand is weakened, the competition is white and hot, the cost is high, and the utilization rate of common wire and cable production equipment is generally less than 40%. If this is done, it is difficult to match the rate of 5G development.
The ministry of industry and trust in China officially issued 5G commercial license plates to three operators, and it is seen that 5G commercial services are fully started all over the world. At the transmission rate of 5G, the 6-type data cable can not meet the requirements of the application field, and the data cables of more than 6 types and above can comprehensively replace the data cables of 6 types and below in the 5G application field; for wiring in infrastructure such as 5G base stations, a large number of high-speed transmission cables are required. Therefore, the 5G commercial use will greatly improve the requirements of super 6-class data cables, high-speed transmission cables and their connection products, and the difficulties to be solved in the future are more technologies of improving the processing speed and density, reducing delay, consuming more energy, generating less heat, and the like.
SUMMERY OF THE UTILITY MODEL
Based on this, it is necessary to provide a high-speed transmission cable to solve the problems in the prior art.
The utility model provides a high-speed transmission cable, includes the cable, the cable includes two parallel transmission signal heart yearns that parallel, and two outsides of transmission signal heart yearn are equipped with the ground wire respectively, the outside of cable has the PTFE area through around the package, the PTFE outband side is equipped with metal shielding layer and hot melt wheat in proper order and draws the shielding layer.
In one embodiment, the transmission signal core wire comprises a conductor, and an insulating layer is arranged on the outer side of the conductor.
In one embodiment, the insulating layer is made of FEP material.
In one embodiment, the PTFE tape is a 0.05mm thick film of wrought polytetrafluoroethylene material that is stretched.
In one embodiment, the metal shielding layer is provided with two layers, and aluminum foil strips with the thickness of 0.025mm are adopted.
In one embodiment, the aluminum foil strip is formed by coating aluminum base and PET strips.
In one embodiment, the hot-melt mylar shielding layer is formed by coating a PET tape and then heating and melting the PET tape.
In one embodiment, the coating directions of the metal shielding layer and the hot-melt mylar shielding layer are the same.
Above-mentioned high-speed transmission cable, the outside of cable adopts the PPTF area to wind the package, because the PTFE area has the softness, fire-retardant and chemical stability is good, insulating ability is strong, characteristics such as temperature resistance, thereby can increase the holistic bending resistance of cable, and simultaneously, the PPTF area can reduce signal transmission's dielectric constant, promote signal transmission, avoid having the core extrusion in traditional production to lead to the phase transmission to be big and the loss of the high frequency signal transmission who produces, make the wire rod when guaranteeing superior bending, also can guarantee high frequency signal transmission's stability.
Drawings
Fig. 1 is a schematic structural view of a cross-sectional view of a high-speed transmission cable according to the present invention;
wherein, 1, a signal core wire is transmitted; 2. a ground wire; 3. a PTFE tape; 4. a metal shielding layer; 5. and (4) hot melting the mylar shielding layer.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, a high-speed transmission cable, includes the cable, the cable includes two parallel transmission signal heart yearns 1 that parallel, and two outsides of transmission signal heart yearn 1 are equipped with ground wire 2 respectively, the outside of cable is through having PTFE area 3 around the package, 3 outsides in PTFE area are equipped with metallic shield 4 and hot melt wheat in proper order and draw shielding layer 5.
The outside of cable adopts PPTF area 3 to wind the package, because PTFE area 3 has the softness, fire-retardant and chemical stability is good, the insulating ability is strong, characteristics such as temperature resistance, thereby can increase the holistic bending resistance of cable, and simultaneously, PPTF area 3 can reduce signal transmission's dielectric constant, promote signal transmission, avoid having in traditional production to lead to the phase transmission big on one side and the high frequency signal transmission's that produces loss at the core extrusion, make the wire rod when guaranteeing superior bending resistance, also can guarantee high frequency signal transmission's stability.
At this time, the transmission signal core wire 1 includes a conductor, and an insulating layer is provided on the outer side of the conductor. Further, the insulating layer is made of an FEP material. At the moment, a layer of FTP material is adopted as the insulating layer, so that the material can be saved and the production efficiency can be improved under the condition of ensuring the insulation.
The loss of signal during transmission can be reduced by using PTFE tape 3, which in this embodiment is a 0.05mm thick film of wrought PTFE material. The PTFE belt 3 is made of clinker polytetrafluoroethylene, and is particularly made of polytetrafluoroethylene dispersion resin, so that the PTFE belt has the characteristics of softness, flame retardance, good chemical stability, strong insulating capability, temperature resistance and the like, and can be used for a long time within the range of-150 to 260 ℃, thereby increasing the bending resistance of the whole cable and prolonging the service life of wires.
The metal shielding layer 4 also mainly increases the shielding effect, and in this embodiment, for further increasing the shielding effect, the metal shielding layer 4 is provided with two layers, and aluminum foil strips with the thickness of 0.025mm are adopted. Furthermore, the aluminum foil belt is formed by coating aluminum base and PET belt. The double-layer metal shielding layer 4 is arranged, so that the coverage rate is improved, the shielding effect is better, and the anti-interference capability is stronger.
As for the hot-melt mylar shielding layer 5, in this embodiment, the hot-melt mylar shielding layer 5 is formed by coating a PET tape and then heating and melting. After the PET belt is wound on the outer side of the metal shielding layer 4, the PET belt is fixed and molded through a high-temperature oven, and then the PET belt is cooled through blowing to complete wrapping, so that a hot-melting Mylar shielding layer 5 is formed on the outermost side of the cable.
In order to improve the production efficiency, in this embodiment, the coating directions of the metal shielding layer 4 and the hot-melt mylar shielding layer 5 are the same.
In the production process, at first form transmission signal heart yearn 1 with conductor and FEP through the extruder, reuse 4 layers of horizontal package charters transmission signal heart yearn 1 and ground wire 2 and arrange side by side, wrap up 3 outsides at transmission signal heart yearn 1 and ground wire 2 with PTFE area again, the rethread is two-layer to wrap up the aluminium foil area in the outside of PTFE area 3 around the package around the machine, form metallic shield 4, at last with the PET area around the package in the 4 outsides of metallic shield, fix the shaping through the high temperature oven, then accomplish the parcel through the cooling of blowing, form hot melt wheat at the outside of cable and draw shielding layer 5, thereby accomplish the course of working of cable.
Through the cable that technical scheme in this application obtained, can reduce the dielectric constant, the decay performance promotes, for decay number 5.1DB in the conventional cable, technical scheme in this application can reduce to 4.6DB, promotes 10%, simultaneously, adopts two-layer metallic shield layer 4, can promote 50% EMI interference killing feature, forms high-speed transmission cable to accord with the requirement to the cable of 5G commercial in-process more.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (8)
1. The utility model provides a high-speed transmission cable, its characterized in that, includes the cable, the cable includes two parallel transmission signal heart yearns that parallel, and two outsides of transmission signal heart yearn are equipped with the ground wire respectively, the outside of cable has the PTFE area through around the package, the PTFE outband side is equipped with metal shielding layer and hot melt wheat in proper order and draws the shielding layer.
2. The high-speed transmission cable according to claim 1, wherein the transmission signal core comprises a conductor, and an insulation layer is provided on an outer side of the conductor.
3. The high speed transmission cable of claim 2, wherein the insulation layer is of FEP material.
4. The high speed transmission cable according to claim 1, wherein said PTFE tape is a 0.05mm thick film of a stretched chamotte polytetrafluoroethylene material.
5. High-speed transmission cable according to claim 1, characterized in that said metallic shielding is provided with two layers, each using aluminium foil tape with a thickness of 0.025 mm.
6. The high-speed transmission cable according to claim 5, wherein the aluminum foil tape is coated with aluminum-based and PET tapes.
7. The high-speed transmission cable according to claim 1, wherein the heat-fusible mylar shield layer is formed by heat-fusing a PET tape after being coated.
8. The high speed transmission cable of claim 1, wherein the metal shield and the hot melt mylar shield are wrapped in the same direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221647465.2U CN218730093U (en) | 2022-06-29 | 2022-06-29 | High-speed transmission cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221647465.2U CN218730093U (en) | 2022-06-29 | 2022-06-29 | High-speed transmission cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218730093U true CN218730093U (en) | 2023-03-24 |
Family
ID=85606716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221647465.2U Active CN218730093U (en) | 2022-06-29 | 2022-06-29 | High-speed transmission cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218730093U (en) |
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2022
- 2022-06-29 CN CN202221647465.2U patent/CN218730093U/en active Active
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